Upload
nedalsaid
View
517
Download
81
Embed Size (px)
Citation preview
. .
:
: (Drawing)
: (Stranding)
: (Insulating)
: (Assembly)
: (Bedding or inner sheathing)
: Armouring))
: ( (Outer sheathing
: .
:
(Wire Drawing) :
. (coils) . . (Rod Breakdown) . .
(Die) (elongation) . . (Die series) .
(Fermentation) :
:
Two Pulleys Contact bands Carbon brushes . . . 24% ( 0.9 1.1 ) * ( /) .
400 2.6 1800 / 25 3000 . .
Stainless steel .
. .
:
Soft copper Hard copper Soft AL, Hard AL AL Alloy
: : (Stranding)
, ...
- (Solid Conductors) .
- : (Solid Conductor) :
Solid conductors :
1- (RM: Round Multiple)
7 :,_______________layers________________,No. of wires 5th 4th 3rd 2nd 1st center ...1.......+.....6...................... ................................. =..........7...1.......+.....6....+...12............ ...............................=........ .19 ...1.......+.....6....+...12...+...18... ............................=.........37...1.......+.....6....+...12...+...18... +....24..................=.........61 ...1.......+.....6....+...12...+...18... +....24...+.. 30......=.........91
....
(7,19,37,61,91) . IEC Standard BS 6360 ASTM .
2- (RMC: Round Multiple Compacted)
Smooth RM.
RM. 1st layer Die , .
3 - (SM:Sector Shaped Multiple)
Smooth
4- (Flexible Conductors)
0.2mm 0.61mm, , .
1- RM
RM 6 :
Die
. S Z Z . .
RMC -2
RMC Die RM RMC . (Cage Strand)
, . :
SM -3
SM RMC Rolls . 25mm2 . . 90 120 () ( (
Flexible-4
(Bunch) . (Bunching)
( Stranding)
1. 2. 3. 4. 25. 6.
1-
1- (1-3)
2-
1- ( 1- 6 )
2-
3-
3- ( 1- 12) 4- 12
Where alf-
- - .
-
- .
: :(Insulation Process)
(Dielectric) ( Extrusion Process) . . -- . - , ...
IEC :
a) Thermoplastic
Polyvinyl chloride intended for cables with rated voltages U0/U 1,8/3 kVPVC/A
b) ThermosettingEth ylene propylene rubber or similar EPM or EPDMERP
c) High modulus or hard grade ethylene propylene rubberHEPR
d) Cross-linked polyethyleneXLPE
Insulating compound based on polyvinyl chloride intended for cables with rated voltages U0/U = 3,6/6 kV is designated PVC/B in IEC 60502-2
:
PVC PE Extruder Extruder .
Parrel Screw .
Mesh
Cross head .
Extruder
Distributer Die
Extruder /
, (Input) TIP :
Die . TIP Die . TIP DIE , . (Extruder Head) . . .
, (Extruder) , (Extruder Head) TIPDIE . . . Drum
- . (Shrink) . . , . IEC BS .
, . .
: (Assembly):
conductor manufacturing core insulation, .
Core . Flat. , . : (1 (2 (3 + . :
Die :
:
:
Z Twist S Twist . :
. ... .
:
. Single core :
. Laying-up Filler PVC . . .
: (Bedding Layer):
, Bedding Polypropylene . Bedding
, Bedding , Outer Sheath . .
:
5 , Cores Insulation Layer, Inner Sheathing - Bedding . PVC-Type6 .
:
1) Conductor: Copper Round Multiple 2 ) (Insulation:Cross-linked polyethylene (XLPE Identification : Red, Yellow, Blue and Black color
(3 Polypropylene Filler
4 ) Binding tape Spun-bons tape
5 ) Inner sheath: Bedding layer -Polyvinyl chloride (PVC) Type6
(6 Armor Galvanized steel wire
(7 Binding tape-Spun-bond tape 8 ) Outer sheath: Polyvinyl chloride (PVC), ()
multi-core sector shaped
single-core
Bedding Extrusion Machine . -Insulation. .
: (: (ARMOURING
:: : .
:: ferromagnetic : non-ferromagnetic
. . , ... . , .
single core , . .
non-ferromagnetic . .
- -galvanized steel .
H14 ... Single Core Cable.
:
Bedding input head :
head . Die . output .
, laying up... . :
. . . .
bedding , 0.9 , . : IEC 60502-1 5467 BS.
,
: (Sheathing Process):
, (PVC) . 1.5 3.0 .
3 . () insulation. . PVC , , .
, (CU/XLPE/SWA/PVC) (JORDAN NEW CABLE) (2008) (BS 5478) , . .
.
: :
1. (TANDEM LINE) .2. 2.5 (0.4 0.5 0.6 0.9 00 ) .3. .4. .5. (Preheating) .6. : 1- (foam/skin insulation) : 2 : (cellular polyethylene) () (solid polyethylene) .2- (insulation solid) : (solid polyethylene) .7. .8. - .
1. .2. .3. .4. .5. .6. .7. .8. .9. .10. .11. . (INSPECTED OK NO.) : .( .)
:
() (Stare Quad) () . : . . . . . . . (QUADDING) :1. .2. .3. s-z .4. .5. . : :1- : :1. .2. .3. ( ) .4. .5. .
2- :
RCD :1. . ( R1 & R2 )2. (DR1 & DR2 ) .3. (DC) . (TESTED OK NO. ) .
: (POURTIER) :
(unit) 50 100 (pourtier) DT1400 DT1650 (layers) (subunit) 10 . (unit) . : . . . . . . . . .
(POURTIER) :1- ( ) .2- .3- S Z .4- .5- .6- .7- .
: (Jelly filling) :
(UNIT) 50 100 ( ) .
(Jelly filling) : .
(continuity) ( ) .
(TESTED NO OK .) .
: (DT2400) :
(unit) 50 100 DT1400 (pourtier) DT650 .
(DT2400) :1- ( 50 100) .2- .3- S Z .4- .5- .6- 7- (overlap) .
:
.
:1- (R1 & R2) .2- (DR1 & DR2) .3- ( C1 & C2) .4- (K1) .5- (K9 ,K10 ,K11 ,K12) .6- (E1 ,E2) .7- insulation resistace
sheet . . PVC cables XLPE cables, XLPE PVC , XLPE derating factorsderating factors cable tray cable tray : .
2- : Single Core Three-Cores . : . : Belt Screen .2-1 ( ): . (16) 2 IEC Resistivity Annealed 1.724 20 100% 160% .
2-2- : Polymeric Materials :- Thermoplastics: . PVC 3 . : 70 160 .- Thermosettings: (XLPE) 90 250 Corona 3 . (1) . (1) :
: XLPE HEPR SR
: PVC PE
2-3 : Shielding(Metallic Sheath (1 IEC-5022 NEC1993) ( - - ) :- - .- - Extruded Lead Sheath. . :- - - - - -
2-4- : : : Extruded jacket XLPE , PVC Fiber Braids . Saturant . : . Armouring : Interlock