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, . : 7373 03.06.2003. , ( 1-05/8 22 2010 ., 2, 2011 .). ISSN 2074-2630 , 2013

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193 .., .., .. ...

197

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200

Palis F., Tolochko O., Bazhutin D. SIMULATION OF OVERHEAD CRANE DYNAMICS SUBJECTED TO FRAMEWORK ELASTICITY...

206

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211 .., .., .. .........

217 .., .., .. ......

222

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227

.. ...

234

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241

Svetlichny A., Sosedko V. OPTIMIZATION OF INDUCTION MOTORS PERFOMANCE... 245 .., .. ....

250

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256

.. , ...

261

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266 .., .., .. ..

271 .., .., .. ...................................................................................................................

278 .., .. .....................................................................................................................................

283

Khomenko V., Melnyk A., Henaff P., Kuzmin G., Borysenko V. EXPERIMENTS IN MEASUREMENT OF RHYTHMICAL MOVEMENTS OF ANTHROPOMORPHIC ROBOTS OR HUMANS.....

287

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294 .., .., .. .......

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CONTENT Page V. Bakulevskiy. INCREASE OF EXACTNESS OF CALCULATIONS OF LOAD POWER LOSSES IN THE AIR TRANSMISSION LINES OF 6-35 kV BY THE ACCOUNT OF CLIMATIC FACTORS.............

9

E.Bardik. MODELING OF ELECTRIC POWER SYSTEM FOR RISK ASSESSMENT OF ACCIDENTS OCCURRENCE DURING THE FAILURE OF ELECTRICAL EQUIPMENT.......

15

I. Bershadsky, A. Gladkov, L. Solomatina. DEVELOPMENT OF THE PROCEDURE OF CERTIFICATION AND DESIGN OF INTRINSICALLY SAFE BLOCKS OF MINE ELECTRICAL EQUIPMENT

23

N. Bondarenko, V. Kolomiyets , S. Lutay, B. Kobilyanskiy. INVESTIGATION OF DYNAMIC CHARACTERISTICS OF TWO-CHANNEL DIGITAL ROBUST CONTROL WINDING MACHINE...

29

N. Buryk, N. Ostroverkhov. MODELING OF SPEED CONTROL SYSTEM SYNTHESIZED ON THE CONCEPT OF DYNAMICS INVERSE PROBLEMS..........

36

. Burykin, V. Lesko, V. Vydmysh, S. Gutsol. OPTIMAL CONTROL OF THE ELECTRICAL POWER SYSTEM NETWORKS INTERFERENCE IN RESPONSE TO THEIR VARIABLE PARAMETERS.....................

40

S. Buryan. IMPROVING ENERGY EFFICIENCY OF THE AUTOMATIC CONTROL ELECTROMECHANICAL SYSTEM OF THE PUMPS CONNECTED IN SERIES.....

47

A. Bialobrzeski, I. Shipunova. POWER PARAMETERS OF THE MODE OF DECELERATION OF DC MACHINE WITH ENERGY TRANSFER TO THE STORAGE CAPACITOR.....

53

Y. Varetsky, O. Ravlyk, V. Konoval, Y. Pazyna. ANALYSIS OF WIND POWER MODES DURING THE INTEGRATED USING OF DIFFERENT WIND TURBINES TYPES

59

L. Vasiliev, U. Mnuskin, A. Boyev. COMMUTATION MODES OF INVERTED SWITCHED RELUCTANCE MOTOR WITH VARIABLE MUTUAL INDUCTANCE....................................

63

F. Govorov, V. Govorov REACTIVE POWER COMPENSATION IN POWER SYSTEMS AND CITIES LIGHTING.....................................................................................

71

O. Gryb, G. Senderovich, P. Shcherbakova. ACTUAL TASKS OF DEFINITION OF INDIVIDUAL SHARE RESPONSIBILITY FOR POWER QUALITY VIOLATION

77

S. Grishanov EXPERT SYSTEM FOR DIAGNOSIS OF GENERATORS UNIT OF THERMAL POWER STATION...........

83

E. Dmitrieva, I.Larina, A. Lyuty EVALUATION OF ELECTROMAGNETIC COMPATIBILITY FOR NONSINUSOIDAL VOLTAGE IN FUNCTIONING NETWORKS. .

91

A. Zabolotny, D. Fedosha, A. Men'kov, V. Mambayeva. CREATION OF LOAD CENTERS ON DESIGNING WORKSHOP ENERGY GRID STRUCTURE OF RADIAL TOPOLOGY.

96

. Zaluzhniy. DESIGN OF LOSSES IN ELECTRO-TECHNOLOGICAL COMPLEX DURING JOINT WORK OF ARC STEEL-SMELTING STOVES...........................................................................

100

V. Komar, N. Ostra, O. Kuzmyk, S. Gutzol. EVALUATION OF DISPERSED GENERATION TO MODE OF DISTRIBUTIVE ELECTRIC NETWORKS..

104

P. Kormiltsev, I. Bershadsky. ESTIMATION OF POSSIBILITY OF INCREASE OF INTRINSIC SAFETY POWER AT AN IMPULSIVE FEED. ...

108

S. Kornienko. MATHEMATICAL DESCRIPTION OF THE CARGO LIFTING ELECTROMECHANICAL SYSTEM BY TOWER CRANE........

114

S. Korol. VECTOR CONTROL OF THE ACTIVE CORRECTOR OF POWER FACTOR... 118 N. Kosterev, Y. Bardyk, V. Litvinov. FUZZY-STATISTICAL APPROACH TO THE EXPLOITATION AND REGIME RELIABILITY ESTIMATION OF EPS SUBSYSTEM OBJECTS..

122

V. Kostyshyn, P. Kurlyak. MODELING OF MODES OF MOTOR-DRIVEN MAINLINE PUMP UNITS USING AUTOMATED SYSTEM WITH SOFT STARTER....

129

B. Kuznetsov, T. Nikitina, D.E. Pelevin, I. Bovdyj, A. Voloshko, E. Vinichenko, D. Kotlyarov. EXPERIMENTAL RESEARCH OF THE PROTOTYPING SYSTEM OF ACTIVE SCREENING OF MAGNETIC FIELD NEAR POWER STATIONS BUS.

134 V. Kutin, E. Bondarenko. PRINCIPLE OF POWER SAFETY MANAGEMENT WHEN ORGANIZING THE WORKS IN ELECTRICAL INSTALLATIONS OF EXTRAHIGH VOLTAGE.......

138

V. Kutin, V. Styskal. CONTROL OF THE TECHNICAL STATE OF PROTECTIVE FACILITIES FROM ELECTRIC-FIELD INFLUENCE IN 220-750 KV ELECTRICAL INSTALLATIONS.

143

A. Levshov, S.Dzhura, V.Chursinov. INTRODUCTION IN METAPOWER. .................................... 147 A. Levshov, A. Fedorov MATHEMATICAL MODELING OF PHOTOVOLTAIC MODULES. 153 P. Lezhnyuk, V. Nagul, V. Netrebskiy, S. Kravchuk. APPLICATION OF THE PRINCIPLE OF LEAST ACTION TO IMPROVE EPS NORMAL MODES CONTROL...

159

P. Lezhnjuk, L. Pautkina, N. Semenjuk. DETERMINATION OF POWER LOSS CAUSED BY TRANSIENT FLOWS ON THE BASIS OF OPERATIONAL INFORMATION AND CONTROL COMPLEX DATA.

163

P. Legnuk, O. Rubanenko, O. Rubanenko. OPTIMAL CONTROL OF THE NORMAL MODES OF EPS WITH THE NORMATIVE VALUE OF TECHNICAL POWER LOSSES AND THE TECHNICAL STATE OF TRANSFORMERS WITH LOAD TAP CHANGER....

168

7

A. Lozynskyy, J. Paranchuk, L. Demkiv. ANALYSIS OF THE ELECTRIC ARC FURNACESS FUZZY REGULATOR STRUCTURE...

173

A. Luzhnev UNIVERSAL SWITCHED RELUCTANCE MOTOR: POWER CIRCUIT.. 178 K. Marenych. PROTECTION AGAINST ELECTROSHOCK IN ACCESSION OF THE DISCONNECTED STATOR OF THE WORKING 2-SPEED INDUCTION MOTOR..................................................................

183 . iroshnyk. ENERGY EFFICIENT SOLUTIONS OF DESIGNING POWER SUPPLY SYSTEMS FOR RURAL CONSUMERS...

189

D. Miroshnyk. AN ENERGY EFFECTIVENESS OF THE CHARGE BATTERY WITH ITS CURRENT AND OUTPUT VOLTAGE CONTROL IN TRACTION ASYNCHRONOUS ELECTRIC DRIVE. .

193

V. Moroz, O. Turych, V. Kozij. MAXIMUM POWER POINT TRACKING SYSTEM FOR THE SOLAR BATTERY..

197

I. Orlovskyi. APPLICATION OF NEURAL CONTROLLER WITH FORECASTS TO CONTROL THE ELECTROMECHANICAL OBJECTS..

200

F. Palis, O. Tolochko, D. Bazhutin. SIMULATION OF OVERHEAD CRANE DYNAMICS SUBJECTED TO FRAMEWORK ELASTICITY.

206

. Parfenovich, O. Kapitonov. PARAMETRICAL ELECTRIC DRIVE IN THE ELECTRO-MECHATRONIC PERFORMANCE WITH THE SPECIAL ASYNCHRONOUS ELECTRIC MOTOR - PREFERENTIAL ALTERNATIVE TO THE FREQUENCY ELECTRIC DRIVES. ...

211 N. Pogribnyak, K.Udovichenko, I. Egorova. ADVANCED METHOD OF CALCULATION OF PEAK CURRENTS AND VOLTAGE LOSSES IN THE POWER SUPPLY NETWORK OF GROUP OF RESISTANCE WELDING MACHINES. .....

217 S. Podnebennaya, V. Burlaka, S. Gulakov. TWO-STAGE SHUNT ACTIVE POWER FILTER. 222 D. Polkovnichenko. MODERN APPROACHES TO TECHNICAL MAINTENANCE OF THE ELECTRIC SYSTEMS EQUIPMENT..................

227

O.Rubanenko. OPTIMAL CONTROL OF ELECTRIC POWER SYSTEMS (EPS) NORMAL MODES WITH THE TECHNICAL CONDITION OF TRANSFORMERS WITH A TAP CHANGER .

234

N. Rudevich, M. Piskurev. CALCULATION OF INITIAL PARAMETERS OF MATHEMATICAL MODEL OF SYNCHRONOUS GENERATOR IN PHASE COORDINATES.

241

Svetlichny A., Sosedko V. OPTIMIZATION OF INDUCTION MOTORS PERFOMANCE 245 V. Sivokobylenko, S. Vasylets. MATHEMATICAL MODEL OF MINE ELECTROTECHNICAL COMPLEX WITH FREQUENCY CONVERTERS..

250

O. Sinchuk, E. Guzov, . Sinchuk, R. Parhomenko. IMPROVING THE EFFICIENCY OF THE DISTRICT UNDERGROUND SUBSTATIONS........

256

O. Solenaya. MODERNIZED SPARK-SAFE SWITCH WITH THE BLOCKS OF MANUAL, REMOTE AND TOUCH CONTROL....

261

S. Tkachenko. DIGITAL PROTECTION OF LOW-VOLTAGE INDUCTION MOTORS WITH A SQUIRREL-CAGE ROTOR OF THE POWER PLANT AUXILIARY SYSTEM. .

266

O. Tolochko, G. Chekavskyy, P. Rozkaryaka. FORMING OF VARIABLE-FREQUENCY INDUCTION MOTORS STATOR VOLTAGE IN SCALAR SYSTEM FOR DYNAMIC PROPERTIES IMPROVING..

271

M. Fedoriv, A. Potochnyy, U. Moysuk. DESIGN OF SIMULATOR OF POWER SUPPLY SYSTEM EQUIPMENT OF ELECTRIC DRILL AT THE TIME OF DRILLING......................................................................

278

M. Fedorov, I. Kutkovoy. EQUIVALENT IRCUITS OF ASYMMETRIC SUBSTITUTION OF THREE-PHASE SYSTEMS.....................................................................................................................................

283

V. Khomenko, A. Melnyk, P. Henaff, G. Kuzmin, V. Borysenko. EXPERIMENTS IN MEASUREMENT OF RHYTHMICAL MOVEMENTS OF ANTHROPOMORPHIC ROBOTS OR HUMANS...

287

A. Chepak, Rakan Al-Slihat, V. Borisenko SIMULATION OF PROTECTION PROCESSES WITH PROACTIVE REACTION ON THE EMERGENCY MODE OF THE BLAST-FURNACE SKIP HOIST..

294

. heremisin, V. Cherkashyna, V. Poyasnic. FEATURES OF ELECTRIC NETWORKS MODE CONTROL AT THE PRESENT STAGE..........................................................................

300

. Shavelkin. THE INDEPENDENT INVERTER OF A CURRENT AS A SOURCE OF A SINE WAVE VOLTAGE.............................................................

304

S. Shevchenko, O. Dovgalyuk, A. Pirotti. PECULIARITIES OF OVERVOLTAGE PROTECTION OF SUBSTATION EQUIPMENT....

308

V. Shchokin. ADAPTIVE AUTOREGRESSIVE MODEL OF POWER CONSUMPTION IN ORE-DRESSING PLANTS OF MINING FACTORIES...

313

I. Shchur, O. Makarchuk, V. Koziy, I. Shapovalov, P. Holubovskyy, . Koverko, V. Kruhliak. INFRA LOW SPEED DIRECT DRIVE CONTACTLESS SYSTEM WITH CONTROL BY MICROCONTROLLER............................................................................

317 O. Yandulskyy, O. Khomenko, A. Marchenko. DESIGN AND ANALYSIS OF INFLUENCE OF SUN POWER-STATIONS ON THE MODES OF OPERATIONS OF ELECTRIC NETWORK....

324

INFORMATION ABOUT THE AUTHORS. 330

8

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A method for calculating reduction factors for groups of cables in free air, protected from solar radiation

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REFERENCES

1. Miroshnyk A.A. Refined algorithms of electrical energy losses calculation in 0,38 kV networks in real time.

Problems of regional energetics; 2010; 2(13): 35-42.

2. Zhelezko Y.S. Losses of electroenergy in electric networks, depending on weather - Electric stations. 2004; 11

3. Osipov D.S. Account of heating of current-carrying parts in the calculations of losses of power and electric power

at the nonsinusoidal modes of the systems of electricity: dissertation candidate of engineerings sciences. 2006.

4. A method of determination of technological charges of electric power in transformers and lines of electro-

transferrableness is Ministry of energy and coal industry of Ukraine. 2011; order 532.

5. IEC 60287-2-2 : 1995 Electric cables - Calculation of the current rating - Part 2 : Thermal resistance - Section 2 :

A method for calculating reduction factors for groups of cables in free air, protected from solar radiation

6. Zhelezko Y.S., Artem'ev A.V., Savchenko O.V. Calculation, analysis and setting of norms of losses of electric

power in electric networks: Guidance for practical calculations. 2004.

7. Vorotnitskiy V. E., Turkina O. V. Estimation errors of calculation of variable losses of electric power in the open-

wires of electricity transmission from not accounting weather. Grids and electric networks. 2008; 10.

ISSN 2074-2630 . : 1(14) 2013

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8. Zarudskiy G.K, Zinner L.E, Syromyatnikov S.U. Calculation temperatures of wires of open-wires of electricity

transmission on the basis of method of the criterion planning of experiment.- Announcer MEI. 1997;12:17 23. 9. Levchenko I.I., Satsuk E.I. Electric loading ability and monitoring of open-wires of electricity transmission in

extreme weather terms. Electricity. 2008;4:2 8. 10. Vragov A.P. The heat-exchange processes and equipments of chemical and oil-processing productions.

SUMDU. 2006.

11.A server is "Weather of Russia". Archive. Access mode: http://meteo.infospace.ru

12. Bakulevskiy V.L. Choice of optimum model of Neural network for the calculation of losses of electric power in

the open-wires of electricity transmissions taking into account a temperature factor and load-graphs sciences. Collection is Scientific labours of the Donetsk national technical university. 2011; 11/(186): 31-35.

15.03.2013 : ..

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6-35 . , ; , ; , , (, ); ; . : , , , , .

V. BAKULEVSKIY

Odessa National Academy of Food Technology

Increase of Exactness of Calculations of Load Power Losses in the Air Transmission Lines of 6-35 kV Taking

into Account of Climatic Factors. One aspect of improving the prediction of energy losses is the consideration of cli-

matic factors. The official approach in Ukraine takes into consideration the average annual air temperature for calculat-

ing load power losses in overhead lines power transmission (LPT) and losses in overhead lines 110 kV and above. To-

day, reference parameters of LPT are used for air temperature 20 in calculation models. But the temperature can vary significantly throughout the year. In addition, the temperature of the wire is affected by other climatic factors (pre-

cipitation, wind strength and direction, etc.), whose impact on power losses in overhead lines requires further study.

Incorporating the mathematical model for calculating the loss of influence of climatic factors will improve the analyti-

cal framework, as well as provide better understanding of the processes that take place in the overhead power lines. The

purpose of the article is to achieve improved accuracy of calculating load energy losses in transmission lines. The paper

considers a mathematical model to determine load power losses in overhead transmission lines based on climatic fac-

tors, the basic components of the model, calculation of heat transfer coefficients, which take into account the impact of

precipitation (rain, snow), checking the adequacy of the resulting model. The peculiairity of heat transfer in wire trans-

mission line is that the heat that is transferred from the hot medium inside wire to cold washing medium, though out-

wardly expanding as heat transfer surface area is smaller than the outside. In order to calculate the value of heat transfer

coefficient for a particular physical problem of heat convection, it is necessary to find in the literature the dependence of criterial form that describes the problem, calculate the determining criteria, determine the defining Nusselt number

and set . With this approach, the article discusses the climatic factors that affect the thermal processes in LPT (temper-ature environment, the force and direction of wind, precipitation). The impact on electricity losses in overhead transmis-

sion lines of each of these factors is determined, expressions for calculating heat transfer coefficients are derived, based

on real data. A design and inspections of adequacy of the obtained model are conducted.

Keywords: losses of electric power, open-wire of electricity transmission, climatic factors, model, equalization of

thermal balance.

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0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50

F(t), ..

t,T1 T2

II

I

III

2[ ]

21( ) 1 ; 0

I Ita t b

IF t e t T = =

++ + 2

[ ]2

2 1( ) 1 ; 0 ( )II I II

t a t a

IIF t e t T T + + = =

++ + 2 3

4[ ]2 3

3 2( ) 1 ; 0 ( )III III III III

t tB a t b c

IIIF t e t T T + + + = =

+ ++ +

)

0

0,1

0,2

0,3

0,4

0,5

0,6

0,7

0,8

0,9

1

0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50

F(t), ..

t,T1 T2 T3II

I

III

IV

2 3[ ]

2 31( ) 1 ; 0

I I It ta t b c

IF t e t T + = =

+ ++ + 2 3

[ ]2 3

2 1

( ) 1 ;0 ( )

II II II IIt t

a t b cIIF t et T T

+ + = =

+ ++

+

[ ]3 2( ) 1 ; 0 ( )III III

B a tIIIF t e t T T

+ = = + + 2 3

[ ]2 3

4 3

( ) 1 ;0 ( )

IV IV IV Ivt tC a t b c

IVF t et T T

+ + = =

+ ++

+

)

0

0,1

0,2

0,3

0,4

0,5

0,6

0,7

0,8

0,9

1

0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50

F(t), ..

t,T2T1

III

III

2 3[ ]

2 31( ) 1 ; 0

I I It ta t b c

IF t e t T + = =

+ ++ + 2

[ ]2

2 1( ) 1 ; 0 ( )II II II

t a t b

IIF t e t T T + + = =

++ + 2 3

[ ]2 3

3 2( ) 1 ; 0 ( )III III III III

t tB a t b c

IIIF t e t T T + + + = =

+ ++ +

)

2 - : - ; - ; - , - . t, ,

, : ; . F(t) [10].

ISSN 2074-2630 . : 1(14) 2013

19

[10] 1(, t) ( ) t , S ( ):

)/()()/()()/()()/(

2211

111 HBpHpHBpHp

HBpHpBHp += .

)/( 1p )/( 2p . [5,10] .

t+ F(t) t2. ( ) ( ) ( )2 1 1F t F t p H / B = + ,

F(t1) t1.

. RISK EEC , , (, ). , , , . .

, , . , , , . .

(. 3).

( , ) 200 - . . 1 (1 48), (L1, L15) (1, 2, 3) t= 3 , ( ) .

1- .

/ ,

1 L 15 15 6 21 0,075 0,03 0,105 2 L 14 9 4 13 0,045 0,02 0,065

4 31 6 - 6 0,03 - 0,03 5 2 8 - 8 0,04 - 0,04

. 1.

.

2. , . .

ISSN 2074-2630 . : 1(14) 2013

20

3-

1. .. - / .. , .. // . 2007. - 11. . 9-15.

2. Ciapessoni E. A probabilistic approach for operational risk assessment of power systems / E. Ciapessoni, D. Cirio, E. Gagleoti. CIGRE, 2008. P. 4 114.

3. .. -I .- -6 / .. , .. . -,1999. - 68 .

4. Task on Probabilistic Aspects of Reliability Criteria of the IEEE PES Reliability, Risk and Probability Applications Subcommittee (J. McCalleys chair) Probabilistic Security Assessment for Power System Operations. - IEEE Power Engineering Society General Meeting. 6-10 June, 2004.

5. .. : / .. , .. . - .: , 2011. 148 .

6. .. . .: , 1972. 552 .

ISSN 2074-2630 . : 1(14) 2013

21

7. . . , 1983. 336 .

8. .. / .. // [" "]. - , 2011. - . 165-171.

9. .. / .. , .. , .. // . 2007. - 7. . 59-63.

10. .. / .. , .. , .. // V - [" - 2011"]. - , 2011.

11. .. () / .. , .. // - [ ]. - , 2012. - . 102-105.

REFERENCES

1. V.F.Sitnikov,V.A.Scopincev Probabilistic statistical approach to resource assessment of power supply equipment in operation. //Energy -2007.--11.- p.9-15.

2. E. Ciapessoni , D. Cirio, E.A. Gagleoti probabilistic approach for operational risk assessment of power systems. - CIGRE,2008.- Report p4-114.

3. Area of use and the limits of applicability of the criterion N-i in the structure formation and selection of major parameters of EPS/ G.F. Kovalev, L.M. Lebedeva-6-Irkutsk, 1999.-68p.

4. Task on Probabilistic Aspects of Reability Criteria of the IEEE PES Reliability, Risk and Probability Applications Subcommitee ( J. McCalleys chair) Probabilistic Security Assessment for Power System Operations.-IEEE Power Engineering Society General Meeeting.-6-10 June, 2004.

5. E.I. Bardik, M.V. Kosterev Questions of construction technical evaluation of objects of fuzzy models of electrical systems.-.: NTUU KPI ,2011.-148p. (monograph re doneandsupplemented).

6. E.C. Ventcel Operations research. -.: Soviet radio,1972.-552p. 7. Endreni J. Power systems reliability computation modeling.- Energoatomizdat, 1983. 336 8. E.I. Bardik. Parametric prediction of the residual resource of electrical power systems based on fuzzy regression

analysis //Materials from the IInd International conference Intelligent energy systems-IES, c. Mukachevo, 2011, p.165-171.

9. A.M. Abdurahmanov, M. Misrihmanov, A.V. Shuntov Effect of operation refusals switches in high-voltage electrical networks.//Power plants .-2007.-7.-p.59-63.

10. E.I. Bardik, M.V. Kosterev, V.V. Litvinov Evaluation of probability of failure of electrical equipment in driving modes of electrical system.Collection of works of the V-th International scientific conferenceManaging objects modes of electrical and electromechanical systems-2011, c. Svyatogorsk.-p.55-61.

11. E.I. Bardik, O.S. Spotar. Identification of failure probability function parameters of power equipment for power systems maintenance risk assessment. // Conference proceedings of XIII Scientific and Practical Conference Renewable energy of XXI century Autonomous Republic of Crimea, Mykolaivka:, 2012. p. 102-105. 27.03.2013 : .. .. . () . , , , . : , , , , .

ISSN 2074-2630 . : 1(14) 2013

22

E.BARDIK National Technical University of Ukraine Kyiv Polytechnic Institute Modeling of Electric Power System for Risk Assessment of Accidents Occurrence During the Failure of Electrical Equipment. Proceeding from the analysis of accidents in electric power systems of Ukraine and other industrialized countries we discovered that there is a steady increase in the number of power supply facilities caused by objectively existing ageing and depletion of the electrical equipment resource efficiency, weather conditions worsening and more strenuous conditions for staff. The necessity of improving the operation and power systems supply reliability management is established. Existing approaches and methods to ensure the reliability of electric power systems are analyzed in the article. It is found that the use of deterministic approaches, in particular N-i criterion, to assess the reliability of electric power systems, are not effective because they do not give a quantitative description of a system. The approach to assessing the reliability of electric power systems based on the use of risk reduction as an indicator of the reliability of electricity consumers is considered in the paper. Mathematical model and algorithm of statistical modeling to determine the risk of accidents in electric power systems are proposed. Mathematical models of failures that take into account the technical condition of the equipment at the time of observation, the quality of recovery after repair, life history and meteorological conditions are developed with the use of methods of probability theory and fuzzy logic to predict the probability of failure of the power equipment and switching equipment of power systems. On the test circuit of IEEE Power supply subsystem, which contains 14 nodes and 20 branches, we held a simulation of emergency operation, which resulted in the identified risk of failure of individual elements of subsystem. Keywords: electrical equipment, distribution function of the failure probability, risk, operations, reliability.

ISSN 2074-2630 . : 1(14) 2013

23

.621.314.6

.. 1 (. . , .), .. 2, .. 1

1

2 -

ibersh@rambler.ru

, , , , .

: , , , , , , .

. , , , , .

, (), , [1].

, 6,2510-4 110-6 . , .

, . . , , [2].

.

. [1, 3] , , . .

( ) , , : ; (); ; .

.. . - . ., .., .., 2013

ISSN 2074-2630 . : 1(14) 2013

24

() [4].

. , , .

. ( ), , , . :

- , , ;

- , , ;

- . ,

KI, KU [3, 5]. W

v Tp , - [6].

, , .

: 1.

. 2. . 3.

: ) ; ) ; ) .

4. ( -) : ) - ; ) - .

( Wp, Pp Tp), , , , , . e e MicroCAP 9.

g :

1 1 1u idg

g dt P =

. (1)

(1):

=

=

gui

Pgu

dtgd

p,11ln

2

(2)

P -

k

bu u a vti

= + + [6]:

( ) ( ) k . kP u E i l i i u avt bvt = + = + + (3)

l - ( ), ; ku - ; , , ku = 8 ; v - , /;

ISSN 2074-2630 . : 1(14) 2013

25

,a b - , : a =82,81 /, b =2,42 / i = 0,0240,1 a =43,89 /, b =5,18 / i = 0,052 ; t - , ; .E ; u , i - .

. , 10000 ( ), , [7] . :

1)1(2

1)1(2

02

0 )2(

+

+

=p

b

pb

pb

i

BrDr , (4)

0r , ; Bp = 1,7610-7, b = 0,25, Db = 0,18, p = 3,5. ,

MicroCAP , , , . , , .

MicroCap. RD (. 1), , :

( )_ ,1 4, ( _ ) 1 / ( ( ))RD if T c br e STP c br EXP I LI= < , (5)

T - , ; _c br - SW1, ; ( _ )STP c br - , 1 _T c br 0 ; if (, 1,

2) , 1 2 .

1 - -

SW1 , 0,0001 T < brc _ ( ) 107 brcT _ , (6).

ISSN 2074-2630 . : 1(14) 2013

26

E1 (. 1), 6 0 V(E1), 1- (6):

ln( ) ( ) (1 / ) (( ( ( )) ( ) ^ 2) / ( ( 0)(8 ( _ )) ( _ )) 1)

d gV EI STP c br tau EXP I LI V RD I Rdt

ad vs T c br bd vs T c br= =

+ + (6)

ad bd - [5]; vs ; tau - .

LI = 1 V(EI), .. I(LI) = ln(g). , exp(I(LI)) = g RD = 1/exp(I(LI)).

3- , - W, , T , () v, /

W (v, T) :

ik i W b T= ( 1) (7)

0 1 ln( )a a TW e

+ = , 6,5; 4/v = ( 2) (8) 0 1 ln W a a T= + , 1,8; 0,9; 0,3; 0,11; 0,046 /v =

pT - , 6,5; 4/v = 1,8; 0,9; 0,3; 0,11; 0,046 /v = ; W ; i ,

__

1,3i = . v1 = 6,5 / v2 = 0,046 / ib , ki a0, a1 . 1.

1 - - W ( vi = 0,046; 6,5 /)

,

Wp, , W - Tp v. 1

WW

__

1,3i = , . , Tp (. 1).

, 2 W (v, Tp), . 1 , 8,3% - - ( ).

, , , , , VD .

VD n (. 1).

C-, /

,

1 2 3

6,5 T1 44 ; T2 = (44..90] ; T3 = (90..500]

ikp iW b T= b1 = 5.804

k1 = --0.718

b2 = 0.37

k2 = 0

b3 = 0.014

k3 = 0.738

0,046 T2 = (2..5] ; T3 = (5..10] ikp iW b T= - - b2 = 7.046

k2 = 0.109

b3 = 2.265

k3 = 0.829

ISSN 2074-2630 . : 1(14) 2013

27

. 1. .

2. - , , , .. .

3. , , - ().

4. , , -24.30 ( 9146- , . ) , . 8%.

1. IEC 60079-11 Ed. 5.0: Explosive atmospheres - Part 11: Equipment protection by intrinsic safety i. 2006. - 118 c.

2. . .. / .. , .. , .. // . - 2002. - 12. - . 202 - 205.

3. . 11. i: 52350.11. [. 28.12.2005]. - .: , 2007. 95 .

4. .. / .. , .. // : . . - 2011. - . 230 240.

5. , 11. i: P 51330.10 99. - [. c 01.01.2001]. .: , 2000. 118 .

6. .. / .. , .. , .. // . 2009. - 11. . 62-69.

7. .. / .. // . - 1965. - . 10., . 35.

REFERENCES

1. IEC 60079-11 Ed. 5.0: Explosive atmospheres - Part 11: Equipment protection by intrinsic safety i, 2006. 118 p. 2. Erygin A.T., Shatilo .N., rembitckiy .L. The extension of the scope of tubeless tyre evaluation of the

intrinsically safe electric circuits. Gornyj informatcionnyuy analiticheskiy bulleten. M.: GGU. 2002; 12: 202 - 205.

3. GOST P 52350.11 Elektrooborudovanue dlya vzruvoopasnuh gazovuh sreg. Chast 11. Iskrobezopasnaya electricheskaya tcep i [Electrical equipment for potentially explosive gas environments. Part 11. Intrinsically safe electrical circuit i]. [Vved. 28.12.2005]. .: Standartinform, 2007. 95 p.

4. Bershadskiy I.. Testing method of tubeless tyre heat evaluation of the intrinsically safe circuit power supply. Vzruvozaschischennoe electrooborudovanie: Sb. Nauchnuh trudov UkrNIIVE. Donetsk. 2011: 230 240.

5. GOST P 51330.10 99. Elektrooborudovanie vzruvozaschischennoe, Chast 11. Iskrobezopasnaya electricheskaya tcep i [Explosion-proof electric equipment, Part 11. Intrinsically safe electrical circuit i]. - [Vved. c 01.01.2001]. .: Gosstandart Rossii, 2000. 118 p.

6. Kovalev A.P., Bershadskiy I.., Iohelson Z.. Simulation of the parameters of the discharge and the estimated intrinsic safety when opening an electric circuit. Elektrichestvo. 2009; 11: 62-69.

7. Kriganskiy S.. To the theory of current-voltage characteristics of the pillars of non-stationary arc discharge high-pressure. Gurnal tehnicheskoy fiziki, 1965. - Vup. 10. -v. 35.

20.02.2013 : ..

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28

. . 1, . . 2, .. 1 1 2 - . , , , , ' . : , , , , , , . I. BERSHADSKY 1, A. GLADKOV 2, L. SOLOMATINA 1 1 State Institution of Higher Education Donetsk National Technical University 2 Makeyevka State Research Institute for Safety in Mining Industry Development of the Procedure of Certification and Design of Intrinsically Safe Blocks of Mine Electrical Equipment. The article discussess the solution of actual scientific and applied problems. It is prevention of ignition of an explosive gas mix in the process of low-current circuit operation and the safety increase at the expense of development of scientific basis of the assessment, forecasting and synthesis of the ways of increasing the intrinsic safety of electric equipment, determination of regularities of development of thermal explosion from the electric spark discharge. Both research and practical findings became a basis for improvement of model of an arc regarding establishment of nature of change of a thermal constant of time from a current and length of an arch that allowed to increase considerably reliability of method for calculated assessment of spark safety of electric circuits of mine equipment with currentvoltage characteristic in dynamic modes of switching. The technique of a settlement "method for calculated assessment of spark safety of electric circuits of a direct current, schemes and blocks of mine equipment, which allows carrying out with high precision tubeless estimates of devices with dynamic protection is developed and approved.

Key words: intrinsic safety, electric spark, electrical circuit, thermal explosion, tubeless intrinsically safe rating, power supply, certification methods

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29

621.4.025 .. (- . , .), .. (. . , .),

.. (. . , .), .. (. . ) - -

- b.kobiliansky@yandex.ru

. . .

: , , , , , .

. . . , . . [1,2].

. , , 2H - . , , , , [3]. H - , , [4]. .

. [1-3] , , . , , .. , , , [3].

. .

, . , [1]. , . : ( )tFn ( )tFT [2, 3].

. , , , . V, V .., .., .., .., 2013

ISSN 2074-2630 . : 1(14) 2013

30

V, , . : - m, m I, 1 2 1 2. :

mdt

dV = )(11 y VVFF

)(11

y VVC

dtdF =

)()( 2211 pypyp

p VVFVVFdtdV

m +=

)(22

py VVC

dtdF =

( ) ( ) ( )( )( )yn

nnnn

n

VVFR

tStVdt

tdVI

+++=

222

2*

( )tXG : ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ){ } .,,,,,,, 21 Tyy tStVtFtVtVtFtVtFtVtX =G

:

ss

ppppp

ccIr

IIR

kkI

aIR

IR

ccmmmmm

ccmmm

A

=

22

65

2

55

222

22

2211

11

11

1

11

1

=4

1

k

m

B

=

IIRa

22

55 .

m, m ; 1, 2- , ( ) ( ); 1,2- .

: Fy1, Fy2- ; V, V .

. R I . , - r , r r .

. , , . .

( ) ( ) ( )

!...

!2

!...

!2

,1

12

22

nTABATBBTB

nTATAATTeA

kuBkXAkX

nn

nnAT

+++=

++++==+=+ GGG

ISSN 2074-2630 . : 1(14) 2013

31

- .

( )k )(kS V S . ( ) ( ) ( )kuDkxCky GGG += ,

( ) ( ) ( ){ }TkSkVky ,=G

( ) ( ) ( ){ }T kSkVky ,=G .

. ( ) ( ) ( ) ( )kykykzkz GGGG +=+ 31 ( )ky3G ( )kyG - V(k) S(k). , . :

( ) ( ) ( ) ( )kyBkuBkxAkx 33~~~~1~ GG ++=+ ( )kx~ ( )kxG ( )kzG , ( ) ( ) ( ){ }TTT kzkxkx GG ,~ = . A~ , B~

3~B ( )ky3G :

IB

DB

BIC

AA

0~,~,0~

3 === .

H .

H . - H .

, ( )zP , wG uG zG yG

( ) ( )( ) ( )

=

uw

zPzPzPzP

yz G

GGG

2221

1211 ,

( )zPij - ( )zP . ( ) ( )( )zKzPGzw , , ( )kwG

( )kzG ( )zK

( ) ( )( ) ( ) ( )zPzPzKzPG zw 1211, += , ( ) ( ) ( )( ) ( )zPzKzPIzK 21122 + .

( )zK , ( ) ( )( )zKzPGzw , ,

( ) [ ] ( )( ) = jeGzG max2,0sup .

( )zK , ( ) ( )( )

ISSN 2074-2630 . : 1(14) 2013

32

( ) ( )( )

==

0

/1

0

qdtd

,

( ))()()()(

)()()()()()()(

221212

121111

211

kuDkwDkxCkykuDkwDkxCkzkuBkwBkxAkx

GGGGGGGGGGGG

++=++=++=

( ) ( )AAIA == ,/A , ( ) 111 ,/B BAB == , ( ) 222 A,/ BBB == ( ) ...

!3!2,

22+++= AAIA

A A . A B A B .

!...

!3!2

1232

nAAAAA

nn ++++= , !...!3!21122

nBABABABB

nn ++++= . , , , 0=

.

( )[ ]

[ ] ( )[ ]IAXBLXBBRIAXBLXAAXAXA

TT

TTTT

++++++++=

1

Q0 .

=+ /BR T qRXB , ( ) =++ /qLIABXL , = /CJCQ T .

( ) ( )( )IABXLXBBRBA T +++ 1 .

( )[ ]TTT CZIALAZAZAAZQ +++++=0 , [ ] ( )[ ]TTT CZIALCZCR +++ 1 ,

qT RCCZR

=+ , ( ) qT LCZIAL =++ , = /TBJBQ . A

, B

, C

, D

( )

=

0

0

12121

1212

121

1312

122

1312

1211

11

VDLRDCIVRVLRRLRV

VBLRBA

DCBA

dd

dd

dd

,

21

321 RRRRRT

d= , 21321 LRRLL Td = , 31212 RVV T = , ( )2132122121 RRRRVV TT = .

, ( )[ ]( ) CCZCRCZ TT 1IAL-A +++ .

, ( )kyG ,

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33

( )kuG . pA , pB , pC , pD ( ) ( ) ( )kyBkxAk ppp GGG +=px , ( ) ( ) ( )kyDkxCku ppp GGG += 2

1322

132

11221

1122

~~~~ CRLCRRVBCVBAAp += , 1321321122 ~~~~ += RLRRVBBp , 21321121112 ~~ CRRVCVC p

+= , 1

321

12~~ = RRVDp

. 1-4 , , 2 2/700. , , , . , . , .

1

2

3

ISSN 2074-2630 . : 1(14) 2013

34

4

.

. 2 2/700.

1 .. / .. , .. , .. . - .: , 1994. 232 .

2. .. / .. , .. , .. . - .: , 1996. 282 .

3. .. / .. , .. , .. . - .: , 2005. 511 .

4. Khargonekar P., Petersen I., Rotea M., H ptimal control with state feedback , IEEE Trans. Automat. Contr., AC 33, pp.783 786, 1988.

5. J.Doyle, K. Glover, P.Khargonekar, and B. Francis, State space solutions to standard H2 and H control problems. IEEE Trans. Automat. Contr., AC 34, no 8. pp.831 847, Aug. 1989.

6. J.C. Doyie, Synthesis of Robust Controllers and Filters, Proc. IEEE Conf. On Decision and Control, San Antonio, TX, December 14 16, 1983.

7. M.G. Safonov, R.Y. Chiang and H. Flashner, H Control Synthesis for a Large Space Structure, AIAAJ. Guidance, Control and Dynamics, 14, 3, pp. 513 520, May/June 1991.

8. G. Stein, Lecture Notes, Tutorial Workshop on H Control Theory, Los Angeles, CA, Dec. 7 8, 1987.

REFERENCES

1 Kuznetsov B.I., Novoselov B.V., Chausov A.A. Design of interconnected control systems. Kiev: Technique., 1994.-232 p.

2. Kuznetsov B.I., Novoselov B.V., Bohaenko I.N. Design of systems with complex kinematic chains. Kiev: Technique, 1996.-282p.

3. Kuznetsov B.I., Nikitina T.B., Kolomiets V.V. Synthesis of electromechanical systems with complex kinematic chains. Harkov : UIPA, 2005. 511p.

4. Khargonekar P., Petersen I., Rotea M., "Optimal control with state feedback", IEEE Trans. Automat. Contr., AC - 33, pp.783 - 786, 1988.

5. J.Doyle, K. Glover, P.Khargonekar, and B. Francis, "State - space solutions to standard H2 and H control problems". IEEE Trans. Automat. Contr., AC - 34, no 8. pp.831 - 847, Aug. 1989.

6. J.C. Doyie, "Synthesis of Robust Controllers and Filters," Proc. IEEE Conf. On Decision and Control, San Antonio, TX, December 14 - 16, 1983.

7. M.G. Safonov, R.Y. Chiang and H. Flashner, "Control Synthesis for a Large Space Structure," AIAAJ. Guidance, Control and Dynamics, 14, 3, pp. 513 - 520, May / June 1991.

8. G. Stein, Lecture Notes, Tutorial Workshop on Control Theory, Los Angeles, CA, Dec. 7 - 8, 1987. 11.02.2013 : ..

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.. , .. , .. , .. - - - . . . . : , , , , , . N. BONDARENKO, V. KOLOMIYETS , S. LUTAY, B. KOBILYANSKIY Educational and Scientific Professional Pedagogical Institute of Ukrainian Engineering and Pedagogical Academy Investigation of Dynamic Characteristics of Two-Channel Digital Robust Control Winding Machine. Creation of a robust control system for work in all range of change of radiuses of unwinding of a circle with a tape is considered. In the previous works synthesis of optimum regulators, observers and jacks for three radiuses of unwinding of a circle with a tape initial, average and final is carried out. It is natural that these regulators, observers and jacks have various factors of strengthening for different radiuses of unwinding. The purpose of article is synthesis and research of response characteristics of digital robust control system of dual-channel control by winding machine on channels of regulation of rotational speed of the drive mechanism and a tension of a winding tape. Mathematical model of the winding machine as object of robust control system on channels of regulation of a tension of a winding tape and rotational speed of the drive mechanism taking into account the executive engines of drive and brake mechanisms it was constructed in the previous operations. The spinner consists of the drive mechanism, the charge coil with a tape and a section of a winding tape. External forces are: force of the drive mechanism and force of the brake mechanism. The executive engine of the drive mechanism is located at the considerable distance from the winding machine and brings into rotation spinners through the general reducer. For high-speed winding machines, especially for dynamics of movement of the winding machine is influenced by existence of elastic elements both between the drive engine and a reducer, and between a reducer and the drive mechanism. Thus rotational speeds of the drive V engine, a reducer of V and the drive V mechanism, especially in transient phenomena, do not match. Machine transmission as three-mass system with three concentrated masses is considered: in mass - the m engine, mass of a reducer of m and an inertia moment of the drive in mechanism, connected by elastic shaft with stiffness coefficients 1 and 2 and coefficients of internal viscous friction of 1 and 2. Then we will receive the following system of equations. The state vector ( )tXG .The matrix of a status of the winding machine as three-mass system is entered. Now the widest circulation received the solution of the task of digital robust control in a time domain. The solution of the task in a time domain is considered in case of the system description by means of the operator. As an example in figures transient phenomena of rotational speed of the drive engine, force of elasticity, rotational speed of a reducer and force of the brake mechanism according to the job for a regulator of rotational speed of the drive mechanism in robust control three-mass discrete system are shown. Apparently from these figures, in system there is an astatizm on channels of regulation of speed of the drive mechanism and a tension of a winding tape, both on setting, and on perturbing influence. Influence of cross setting influences is shown only in transient regimes, and output coordinates are equal in the set modes to setting influences. Transient phenomena are strongly oscillatory that is caused by existence of elastic elements in transmission of the drive mechanism. Key words: winding machine, robust control, optimal control, the synthesis of the control system, drive mechanism, tension winding tape.

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36

621.797:621.664 .. , .. (. . , .)

burykM@ukr.net ostroverkhov@list.ru

,

, . , .

: , , , .

. , : , . . , , [1]. , , ' . ', , .

. . , : , , . : , , [2].

. .

. . , [3]. . 1 , .

1

.., .., 2013

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. 2 , , , . , , : 1,5 , .

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1. / [. . , . . c, .. .]; . . ... .: , 1983. 256 ., . .: . 59 69.

2. Krutko P. D. Decomposing algorithms for robustly stable nonlinear multiply connected control systems: Theory and applied problems // Journal of Computer and Systems Sciences International. - 2005. - 1., . 44. - PP. 1-26.

3. . . / . . , .. // . : , 2011. 1. . 41-49.

REFERENCES

1. Slezhanovsky O.V., Datskovsky L. H., Kuznetsov I. S. Sistemy podchinennogo regulirovaniya elektroprivodov peremennogo toka s ventelnymi preobrazovantelyami [System of slave regulation AC drives with thyristor converters]. Moscow: Energoatomizdat, 1983. 256 pp.

2. Krutko P. D. Decomposing algorithms for robustly stable nonlinear multiply connected control systems: Theory and applied problems // Journal of Computer and Systems Sciences International. 2005. . 44. 1. PP. 1-26.

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3. Ostroverkhov N., Buryk N. ontrol of coordinates electric drives based on the concept of inverse dynamics problems for minimization local functionals momentary values of energy // Electrotechnics and electroenergetics. - Zaporizhzhya: ZNTU 2011. - 1. PP. 41-49. 12.02.2013 : .. . . , . . " " , . . , . : , , , . N. BURYK, N. OSTROVERKHOV National Technical University of Ukraine "Kiev polytechnic institute" Modeling of Speed Control System Synthesized on the Concept of Dynamics Inverse Problems. This paper deals with the problem of improving the quality of control coordinates of electric drives by synthesis algorithms based on the concept of inverse problems of dynamics in combination with minimization of local functionals characterizing the energy instantaneous values. The system of cascade speed control of the electromechanical coordinates of electric drives is most abundant principle control. However, the transfer functions of the electric regulators who are committed to a common module or symmetrical optimum compensate the appropriate links of control object. These problems of electric drive were solved using the control laws based on the concept of inverse problems of dynamics while minimizing local functionals instantaneous values of energies that have high dynamic accuracy and natural properties with respect to changes in parameters and disturbing factors. Research presented system of slave control angular speed carried by mathematical modeling. We used a standard test, which included testing of the trajectory angular speed n (the task in the form of jump) followed imposition (t = 5 s) and reset (t = 8 s) rated load. Key words: system speed control, concepts of inverse problems of dynamics, minimization of local functionals characterizing the energy instantaneous values, control laws.

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621.311 .. (. . , .), .. (. . , .),

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dd

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i- , i- 1, iik , :

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ijiji

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1 3-4 dZ,% R3-4, X3-4, U2, U3, U4, U5,

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. 1. . , .

2. . , .

1. .. / .. , .. // . - 2004. 2. . 144 146.

2. .. / .. , .. // . 2011. 6. . 6771.

3. . . : / . . , .. ,. . . : , 2008. 123 .

4. .. - / .. , .. // . - 2008. - 10. - . 42-49.

5. / [. . , . . , . . , . . ] // : . 2010. 666. . 56-61. ISSN 0321-0499.

6. / . . . . , 1998 .

REFERENCES

1. Lezhnyuk P.D., Vydmysh V.A. An account of variable parameters of the electrical system in its calculation model of a steady mode. Opublikovano nauchniye trudy KGPU Problemy sozdaniya novyh mashin i tehnologiy. 2004; 2: 144-146.

2. Burykin O.B., Vydmysh V.A. Optimal control of electrical networks by the normal modes taking into account meteoparameters on a base the Internet technologies. Visnyk VPI. 2011; 6: 67-71.

3. Lezhnyuk P.D., Kulyk V.V., Burykin O.B. Vzayemovplyv elektrychnyh merezh i system v protsesi optymalnogo keruvanniya yih regymamy [Interconnected power system electric networks interference in the process of their modes optimal control] Vinnytsia: UNIVERSUM- Vinnytsia, 2008. 123 p.

4. Vorotniskiy V.E., Turkina O.V. Estimation of variable losses calculation errors of electrical power in HV lines caused by unaccount of meteoconditions. Electrical stations. 2008; 10: 42-49.

5. Lezhnyuk P.D. An power flows optimal control in the non-uniform electrical systems taking into account a sensitiveness. Lezhnyuk P.D., Kulyk V.V., Burykin O.B. Teptya V.V. Visnyk nationalnogo universitetu Lvivska politehnika: Elektroenergetychni ta elektromehanichni systemy. 2010; 666: 56-61. ISSN 0321-0499.

6. A method of electrical power losses determination in transformers and power transmission lines / zatverdzhena zast. Ministra energetyky Ukrainy z energetychnogo naglyadu. V.A. Darchuk Kyiv. 1998. 15.03.2013 : .. . . , . . , . . , . . . , . : , , , , , , , , , .

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. BURYKIN, V. LESKO, V. VYDMYSH, S. GUTSOL Vinnytsia National Technical University Optimal Control of the Electrical Power System Networks Interference in Response to Their Variable Parameters. The given article is devoted to method of electrical power system networks interference optimal control taking into account the variable parameters of electric network. It allows increasing efficiency of electric networks modes optimal control with the purpose of reducing of additional power losses from address and transit power flows at new economic operating power conditions. Variable parameters are taken into account in a mathematical model of power flow optimal control, by presentation of all branches of electric scheme as transformer connections. The transformation coefficients of such branches take into account the additional voltage drop between the beginning and at the end of branch caused by the change of its parameters. The expected transformation coefficients are used for clarification of optimum parameters of present control actions, after the criterion of minimum electric network active-power losses. Key words: electrical system, power flow optimal control, interference of electrical networks, address flow, transit power, variable parameters, meteoparameters, climatic losses, resistance of transformer windings, line resistance.

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62-83: 628.12 ..

sburyan@rambler.ru

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: , , , , , , , , , , , -.

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, , , .

' .., 2013

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Q, 3/

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1

u1a

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Vogel Pumpen CNX-100-65-400 [9] : 156.1 , 240 , 164.9 3/, 62.9%, 2900 /. : 160 , 3000 /, 96%, 380 , 0.9, 0.019, 0.0117 , 0.0126 , 0.0094 , 0.0127 , 0.0124 . H=150 , =0.5 /(2/), J=1.4 2. : 01=02=235 , 1=2=9018 1/(5/2).

. 3. . 3, 1 ,

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0 20 40 600

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400

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100

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50% , . 30 40% . , .

. , , - . 50% , . , 31 43% . , , , .

1. .. / .. . .: , 1991. 144 .

2. .. , : , / .. , .. , .. ; - ; . : , 2010. 308 .

3. / [.. , .. , .. , .. ] // . : . 2006. 66. . 311-314.

4. Pechenik M. Experimental research of interactive energy saving controller of water supply pump based on flow rate measurement / . Pechenik, . Kiselychnyk, S. Buryan // Transactions of National Technical University Kharkiv Polytechnic Institute. Theory and Practice Kharkiv: NTU KPI, 2010. 28. PP. 272-274.

5. .. / .. , .. // . . . 2007. . 299-300.

6. Pechenik . Sensorless control of water supply pump based on neural network estimation / M. Pechenik, O. Kiselychnyk, S. Buryan, D. Petukhova //Electrotechnic and Computer Systems. Scientific and technical journal, 03(79), Odesa, 2011. pp. 462-466.

7. Popovich M. Extremal electromechanical control system of water supply pumps connected in series / M. Popovich, O. Kiselychnyk, S. Buryan // Transactions of Kremenchuk State University. Kremenchuk. KSU, 2010. N3/2010 (62). [part 2]. PP.37-41.

8. .. / .. , .. // , : - (07-08 2011 .). : , 2011. . 97-98.

9. ITT Industries. Vogel Select CD// Selection Program. Jan. 2009. 10. Marino R., Peresada S. and Tomei P. Exponentially convergent rotor resistance estimation for induction

motors// IEEE Trans.on Industrial Electronics. 1995. Vol. 42, No. 5. P. 508-515.

REFERENCES

1. Leznov B.S. Ekonomiya elektroenergii v nasosnykh ustanovkakh [Energy savings in pump applications], oskva, Energoatomizdat, 1991. -144.

2. Shevchuk S.P. Nasosn, ventilyatorn ta pnevmatichn ustanovki [Pump, fan and pneumatic installation], NTUU KPI, Kyiv, 2010. 308 p.

3. Popovich M.G., Pechenik M.V., Kselichnik O.., Sokolovs'kiy O.F. Energy interactive electromechanical automatic control pumping units. Elektromashinobuduvannya ta elektroobladnannya. Tematichniy vipusk: problemi avtomatizovanogo elektroprivoda. Kyiv, 2006, 66, p.311-314.

4. Pechenik M. Experimental research of interactive energy saving controller of water supply pump based on flow rate measurement / . Pechenik, . Kiselychnyk, S. Buryan // Transactions of National Technical University Kharkiv Polytechnic Institute. Theory and Practice Kharkiv: NTU KPI, 2010. 28. PP. 272-274.

5. Lozins'kiy A.O., Knchur O.F. Synthesis of neuropredictor control system of electric pump station based on neural networks and direct signal propagation. Zbrnik naukovikh prats' Dnprodzerzhins'kogo derzhavnogo tekhnchnogo unversitetu. Tematichniy vipusk. Problemi avtomatizovanogo elektroprivoda. 2007, p. 299-300.

6. Pechenik . Sensorless control of water supply pump based on neural network estimation / M. Pechenik, O.

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52

Kiselychnyk, S. Buryan, D. Petukhova //Electrotechnic and Computer Systems. Scientific and technical journal, 03(79), Odesa, 2011. pp. 462-466.

7. Popovich M. Extremal electromechanical control system of water supply pumps connected in series / M. Popovich, O. Kiselychnyk, S. Buryan // Transactions of Kremenchuk State University. Kremenchuk. KSU, 2010. N3/2010 (62). [part 2]. PP.37-41.

8. Buryan S.O., Grishchuk T.V. Estimator of efficiency pump based on neural network and the characteristics of catalog. Elektromekhanchn ta energetichn sistemi, metodi modelyuvannya ta optimzats. Zbrnik naukovikh prats' Kh Mzhnarodno naukovo-tekhnchno konferents molodikh uchenikh spetsalstv u mst Kremenchuk (Electromechanical and energy systems, methods of modeling and optimization. Proceedings of the IX International Scientific and Technical Conference of Young Scientists and Specialists in Kremenchuk), 2011, KNU, p. 97-98.

9. ITT Industries. Vogel Select CD// Selection Program. Jan. 2009. 10. Marino R., Peresada S. and Tomei P. Exponentially convergent rotor resistance estimation for induction

motors// IEEE Trans.on Industrial Electronics. 1995. Vol. 42, No. 5. P. 508-515. 22.03.2013 : .. .. . . - . . : , , , , , , , , , , , -. S. BURYAN National Technical University of Ukraine Kiev Polytechnic Institute Improving Energy Efficiency of the Automatic Control Electromechanical System of the Pumps Connected in Series. Pumping stations that provide our country with water are powerful consumers of electricity. Modern requirements of operation require the introduction of new energy technologies. The existing control system provides some level of energy efficiency, but the systems working in the mode of pumping large quantities of fluids without time limits have not been considered. The paper proposed automatic control electromechanical system for two pumps connected in series water, one stocked frequency controlled asynchronous drive, which achieved a certain level of energy efficiency through the development and implementation of efficiency pump controller, which increases to its maximum value in any mode. This maximum is achieved by changing the speed of induction motor drive and comparing the current speed of the speed with the maximum efficiency of the pump. The work presented static characteristics that illustrate the transition of the operating point on the line of maximum efficiency when changing speed of induction motor drive. The mathematical model of the series connected pumps with hydraulic network, mathematical model of electromechanical automatic control system and mathematical description of pump efficiency controller are presented. The latter is a conventional PI-controller and the equation that approximates the dependence of the maximum efficiency of the pump of speed of induction motor driving it and productivity. Also artificial neural networks, which are used to evaluate the efficiency of pumps based on pressure measurement and productivity at the system output, have been presented. Simulation of pumps control system with the power of 160 kW has shown that the controlled pump efficiency is increased to the maximum possible value, even with variations in hydraulic resistance network. Reduction of mechanical shaft power in controlled drive with variations in hydraulic resistance is possible from 30 to 40% of rated capacity. Efficiency of controlled pump is at the maximum, and the efficiency of uncontrolled pump depends on current location of the operating point. The proposed control system can implement in fluids pumping systems, storage power plants, irrigation systems, filling reservoirs more. Key words: pump, asynchronous drive, energy saving, efficiency, water supply, serial connection of pumps, productivity, pressure, neural network estimator, simulation, PI-controller.

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621.314.12. .. (. . , .), ..

seemAl@kdu.edu.ua

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max min.1 min min

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. .Ceq Ceq finU U= . , 1 : ( ) ( )

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