B CNG THNG

TRNG I HC CNG NGHIP H NI

KHOA IN

Ti:Nghin cu h bin tn-ng c khng ng b

3 pha

Gio Vin B Mn : Th.s Nguyn ng Khang

Nhm 3 Lp TH2 K5

Sinh vin thc hnh:

Nguyn Thanh Hiu

1

Li ni u

Nh chng ta bit ngy nay,Trong thi i cng nghip ha hin i ha t nc,ngnh cng nghip c 1 vai tr quan trng nhm thc y v pht trin nn kinh t.a cng ngh mi vo sn xut l 1 yu cu tt yu.

Khi m ng c in cng c ng dng rng ri trong nghnh cng nghip th iu khin n 1 cch ti u l 1 vn c t ra. C nhiu phng php iu khin ng c khng ng b 3 pha.Tri qua nhiu giai on, qua nhiu phng php.Cho n khi Bin tn c to ra v a vo ng dng th n tr thnh 1 gii php ti u v c dng rt rng ri.

C nhiu hng nc ngoi sn xut cc loi bin tn khc nhau. Misubishi l 1 trong s .Chng em c giao tinghin cu h bin tn-ng c khng ng b 3 pha chuyn su v bin tn ca hng Mitsubishi.Em chn bin tn FR-A700 nghin cu.Qua ti ny em c thm nhiu kin thc hn v h bin tn-ng c khng ng b 3 pha.

Chng em xin chn thnh cm n cc thy c trong khoa in

gip chng em c bit l thy Nguyn ng Khang

trc tip ging dy v hng dn chng em lm bi tiu lun

Mc d c nhiu c gng nhng trong qu trnh lm bi tp

ln, cha c nhiu kinh nghim nn cn c nhiu nhiu sai st

trong cch trnh by cng nh phn th hin n ca mnh

mong cc thy, c v cc bn gp v b sung thm.

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Em xin chn thnh cm n.

Mc LcI KHI QUT V NG C KHNG NG B 3 PHA

II TM HIU CHUNG V BIN TN

III GII THIU BIN TN MITSUBISHI FR-A700

III KT LUN

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I Khi qut v ng c khng ng b 3 pha1. Khi nim.

ng c khng ng b 3 pha l my in xoay chiu, lm vic theo nguyn l cm ng in t, c tc ca rotor khc vi tc t trng quay trong my.

2. Cu to:

Gm 2 phn chnh:

Phn tnh(Stato):

gm v my, li st v dy qun.

Phn quay(Roto):

gm trc, li st v dy qun roto

Ngoi ra khe h trong CKB

rt nh nn roto trong CKB rt trn v u

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2.1. Phn tnh ( hay Stator):

Trn stator c v , li thp v dy qun

2.1.1. V my :

V my c tc dng c nh li thp v dy qun.Thng v my lm bng gang . i vi v my c cng sut tng i ln ( 1000 kw ) thng dung thp tm hn li lm v my ,ty theo cch lm ngui ,my v dng v my cng khc nhau .

2.1.2.Li thp:

Li thp l phn dn t . V t trng i qua li thp l t trng quay nn gim bt tn hao , li thp c lm bng nhng l thp k thut in dy 0,5 mm p li . Khi ng knh ngoi ca li thp nh hn 990mm th dng c tm thp trn p li . Khi ng knh ngoi ln hn tr s

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trn th phi dng nhng tm thp hnh r qut ( hinh 1.2 ) ghp li thnh khi trn .

Mi li thp k thut in u c ph sn cch in trn b mt gim hao tn do dng in xoy gy nn .Nu li thp ngn th c th ghp thnh mt khi nu li thp qu di th ghp thnh nhng tm ngn mi tm thp di t 6 n 8 cm t cch nhau 1cm thng gi cho tt .Mt trong ca l

thp c s rnh dt dy qun .

2.1.3. Dy qun:

Dy qun stator c t vi cc rnh ca li thp v c cch in tt vi li thp . Dy qun phn ng l phn dy bng ng c trong cc rnh phn ng v lm thnh mt hoc nhiu vng kn .Dy qun l b phn quan trng nht ca ng c v n trc tip tham gia vo qu trnh bin di nng lng t in nng thnh c nng . ng thi v mt kinh t th gi thnh ca dy qun cng chim t l kh cao trong ton b gi thnh ca my.

+ Cc yu cu i vi dy qun bao gm :

- Sinh ra c mt sc in ng cn thit c th cho mt dng in nht nh chy qua m khng b nng qu mt

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Hnh 1.2 tm thp hnh r qut

nhit nht nh sinh ra mt moment cn thit ng thi m bo i chiu tt .

- Trit tit kim vt liu , kt cu n gin lm vic chc chn an ton

- Dy qun phn ng c th phn ra lm cc loi ch yu sau :

+ Dy qun xp n v dy qun xp phc tp

+ Dy qun song n v dy qun song phc tp

Trong mt s my c ln cn dng dy qun hn hp l s kt hp gia hai dy qun xp v song .2.2. Phn quay( hay Rotor )

Phn ny gm 2 b phn chnh l li thp v dy qun rotor:

2.2.1 Li Thp:

Ni chung ngi ta dng cc l thp k thut in nh stator li thp c p trc tip ln trc my hoc ln mt gi rotor ca my .Pha ngoi ca l thp c s rnh t dy qun .

2.2.2 Dy Qun Rotor:

Phn loi lm hai loi chnh rotor kiu dy qun va roto kiu lng sc:

Loi rotor kiu dy qun : rotor kiu dy qun (hnh 1.3 ) cng ging nh dy qun ba pha stator v c cng s cc t dy qun stator .Dy qun kiu ny lun u hnh sao ( Y ) v c ba u ra u vo ba vnh trt gn vo trc quay rotor v cch in vi trc .Ba chi than c nh v lun t trn vnh

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trt ny dn in v mt bin tr cng ni sao nm ngoi ng C khi ng hoc iu chnh tc .

Hnh 1.3 : rotor kiu dy qun

Rotor kiu lng sc ( hnh 1.4 ) : Gm cc thanh ng hoc thanh nhm t trong rnh v b ngn mch bi hai vnh ngn mch hai u .Vi ng c nh ,dy qun rotor c c nguyn khi gm thanh dn , vnh ngn mch, cnh tn nhit v cnh qut lm mt .Cc ng c cng sut trn 100kw thanh dn lm bng ng c t vo cc rnh rotor v gn cht vnh ngn mch .

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2.3. Khe h :

V rotor l mt khi trn nn khe h u , khe h trong my in khng ng b rt nh ( t 0,2mm n 1mm trong my in c nh v va ) hn ch dng in t ha ly t li vo ,v nh vy c th lm cho h s cng sut ca my tng cao .

3,Nguyn l lm vic ng c khng ng b 3 pha

Khi c dng in ba pha chy trong dy qun stato th trong khe h khng kh sut hin t trng quay vi tc n1 = 60f1/p (f1 l tn s li in ; p l s cp cc ; tc t trng quay ) .T trng ny qut qua dy qun nhiu pha t ngn mch nn trong dy qun rotor c dng din I2 chy qua . T thng do dng in ny sinh ra hp vi t thng ca stator to thnh t thng tng khe h . Dng in trong dy qun rotor tc dng vi t thng khe h sinh ra moment . Tc dng c quan h mt thit vi tc quay n ca rotor . Trong nhng phm vi tc khc nhau th ch lm vic ca my cng khc nhau . Sau y ta s nghin cu tc dng ca chng trong ba phm vi tc .

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H s trt s ca my :

s = =

Nh vy khi n = n1 th s = 0 , cn khi n = 0 th s = 1 ; khi n > n1 ,s < 0 v rotor quay ngc chiu t trng quay n < 0 th s > 1 .

3.1 Rotor quay cng chiu t trng nhng tc n < n1 ( 0 < s < 1)

Gi thuyt v chiu quay n1 ca t trng khe h v ca rotor n nh hnh 1.5a .Theo quy tc bn tay phi , xc inh c chiu sc in ng E2 v I2 ; theo quy tc bn tay tri , xac nh c lc F v moment M . Ta thy F cng chiu quay ca rotor , ngha l in nng a ti stator , thng qua t trung bin i thnh c nng trn trc quay rotor theo chiu t trng quay n1 , nh vy ng c lm vic ch ng c in .

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3.2 Rotor cng chiu t trng nhng tc n > n1 (s < 0) .

Dng ng c s cp quay rotor ca my in khng ng b vt tc dng b n > n1 .Lc chiu t trng quay qut qua dy qun rotor s ngc li , sc in ng v dng in trong dy qun rotor cng i chiu nn chiu nn chiu ca M cng ngc chiu n1 , ngha l ngc chiu vi rotor , nn l moment hm ( hnh 1.5b ).Nh vy my bin c nng tc dng ln trc ng c in ,do ng c s cp ko thnh in nng cung cp cho li in ,ngha l ng c lm vic ch my pht .

3.3. Rotor quay ngc chiu t trng n < 0 (s > 1)

V nguyn nhn no m rotor ca my in quay ngc chiu t trng quay hnh 1.5c , lc ny chiu ca sc in ng v moment ging nh ch ng c .V moment sinh ra ngc chiu quay vi rotor nn c tc dng hm rotor li . Trng hp ny my va ly in nng li in vo , va ly c nng t ng c s cp .Ch lm vic ny gi l ch hm in t .

3.4. Cc ng c tnh ca ng c khng ng b 3 pha

c tnh tc n = F(P2)

Theo cng thc h s trt ,ta c :

n = n1(1-s)

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Trong : s = . Khi ng c khng ti Pcu

4.2 iu chnh tc bng cch thay i tn s

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4.3 iu chnh in p bng cch iu chnh xung in tr rotor

4.4 iu chnh tc bng cch ni cp tr nng lng v ngun.

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II Gii thiu bin tnA Khi nim:

B bin tn l thit b bin i nng lng in t tn s cng nghip 50Hz hoc 60Hz sang ngun c tn s thay i cung cp cho ng c in xoay chiu

B Gii thiu chung

Mitsubishi Electric Automation, nh cung cp sn phm t ng ha tm c th gii cho nhiu ngnh cng nghip mi y cho ra mt b bin tn tnh nng cao A700 iu khin ng c t n 600 m lc. A700 s thay th cc dng bin tn A500 v A500L ca cng ty cho ra mt t nm 1997.

FR-A700 l dng bin tn u tin ca Mitsubishi c tch hp b iu khin kh trnh (PLC) v mang trong mnh nhiu c im ca cng ngh c bit m Mitsubishi pht trin cho cc sn phm truyn ng servo. c im ng ch nh t ng iu chnh. Tnh nng ny gip t ng b vo s thay i qun tnh ti trng. Kt qu l mang li hot ng trn tru, thi gian ngng hot ng gim v chi ph hot ng thp. A700 nhanh hn, thng minh hn, khe mnh hn mi loi bin tn chng ti gii thiu trc y, ng Chris Cusick, gim c marketing ca Mitsubishi cho bit. Vi PLC tch hp trong A700, ngi s dng c th iu chnh thit b theo yu cu ng dng ca mnh. C tc hi p 300 radian/giy, nhanh hn 10 ln so vi cc dng A500, A700 h tr hu ht cc giao thc thng dng, gm Profibus DP, CC-Link, DeviceNet, LonWorks, ControlNet, Modbus RTU, Metasys N2, EtherNet IP v Modbus TCP/IP, tt nhin, c

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giao thc mng RS485 c quyn ca Mitsubishi. Ngoi ra, A700 cn h tr mng kt ni chuyn ng si quang cho

C Cu trc chung ca bin tn.

1 S nguyn l

Khu chnh lu: Bin i ngun xoay chiu v 1 chiu

Khu lc: T C lc cc thnh phn in p xoay chiu

Khu nghch lu c lp ngun p cu 3 pha: Bin i ngun 1 chiu thnh ngun xoay chiu 3 pha c tn s, in p c

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th thay i . Cc van T1,T2...T6 c th l tranzitor cng sut, mosfet, GTO, thyristor, hoc IGBT

Khu iu khin: To xung iu khin cc van

2 Dng sng in p v dng in u ra bin tn

3 Lut iu khin ca bin tn

Tc ng c theo tn s: n = 60*f*(1 - s) / p Mmen sinh ra t l vi t thng v dng in:

M = K..I.cos

Mun iu khin mmen:

= constant

M = f(I)17

3.1. Lut iu khin U/f

- Duy tr t s U/f khng i - Duy tr t thng khng i

3.2. iu khin vc t t thng

Nguyn l: chuyn i h phng trnh my in, chuyn cc i lng v hng (in p, dng in, t thng) thnh cc vc t tng ng.

Trn h quy chiu vi vc t t thng, thnh lp c h phng trnh:

T thng r = K1.Id

Mmen M = K2.s.Iq

Id, Iq l cc thnh phn dc trc v ngang trc ca vc t dng in

Nguyn l: chuyn i h phng trnh my in, chuyn cc i lng v hng (in p, dng in, t thng) thnh cc vc t tng ng.

Trn h quy chiu vi vc t t thng, thnh lp c h phng trnh:

T thng r = K1.Id

Mmen M = K2.s.Iq

Id vc t dng in dc trc

Iq vc t dng in ngang trc 18

4 Cc u im khi s dng bin tn:

+ Gim tn tht in nng

+Cho php m rng di iu chnh tc nng cao cht lng ng lc hc h thng

+D lp t, vn hnh n gin, khng gian lp t nh

+p ng c nhiu ng dng khc nhau trong cng nghip

+C cc ch iu khin thng minh v cp nht thng s m bo cc ch vn hnh, bo v tt

III Tm hiu v bin tn FR-A700

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1.1 Cu trc bin tn FR-A7001.1.1 Khi nim bin tn

Bin tn l thit b dng bin i ngun in c tn s f1 c nh thnh ngun in c tns fr thay i c nh cc kha bn dn.Phn loi:Bin tn c phn chia lm hai loi:a) Bin tn trc tipb) Bin tn gin tipBin tn gin tip c chia lm hai loi: bin tn ngun dng v bin tn ngun p.

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ng dng: B bin tn thng c s dng iu khin vn tc ng c xoay chiu theo phng php iu khin tn s, theo tn s ca li ngun s thay i thnh tn s bin thin.Ngoi vic thay i tn s cn c s thay i tng s pha. T ngun li mt pha, vi s gip ca b bin tn ta c th mc vo ti ng c ba pha. B bin tn cn dc s dng rng ri trong k thut nhit in. B bin tn trong trng hp ny cung cp nng lng cho l cm ng.1.1.2 Cu trc bin tn FR-A700Bin tn FR-A700 l bin tn ngun p gm cc phn c bn:

+ B chnh lu: C nhiu dng khc nhau, mch tia, mch cu mt pha hoc ba pha. Thng thng ta gp ,mch cu ba pha.Thng thng, b chnh lu c dng khng iu khin,bao gm cc diode mc dng mch cu. ln in p v tn s p ra ca b nghch lu cn c th iu khin thng qua phng php iu khin xung thc hin trc tip ngay trn b nghch lu. ch my pht ca ti (chng hn khi hm ng c khng ng b), nng lng hm c tr ngc v mch mt chiu

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v np cho t lc Cf. Nng lng np v trn t lm in p n tng ln v c th t gi ln c th gy qu p. loi b hin tng qu in p trn t Cf, ta c th ng mch x in p trn t qua mt in tr mc song song vi t thng qua cng tc bn dn S.+ Mch trung gian mt chiu: C cha t lc vi in dung kh ln Cf (khong vi ngn F ) mc vo ng vo ca b nghch lu. iu ny gip cho mch trung gian hot ng nh ngun in p. T in cng vi cun cm Lf ca mch trung gian to thnh mch nn in p chnh lu. Cun khng Lf c tc dng nn dng in chnh lu. Trong nhiu trng hp, cun khng Lf khng xut hin trong cu trc mch v tc dng nn dng ca n c th c thay th bng cm khng tn my bin p cp ngun cho b chnh lu. Do tc dng ca diode nghch o b nghch lu, in p t trn t ch c th t cc gi tr dng. T in cn thc hin chc nng trao i nng lng o gia ti ca b nghch lu v mch trung gian bng cch cho phpdng id2 thay i chiu nhanh khng ph thuc vo chiu ca dng id1.+ B nghch lu p:B nghch lu l thit b bin i nng lng in mt chiu thnh nng lng in xoay chiu.Nghch lu c dng mt pha hoc ba pha. Qu trnh chuyn mch ca b nghch lu p thng l qu trnh chuyn i cng bc. Trong trng hp c bit b nghch lu lm vic khng c qu trnh chuyn mch hoc vi qu trnh chuyn mch ph thuc bn ngoi. T ta c hai trng hp b bin tn vi qu trnh chuyn mch c lpv qu trnh chuyn mch ph thuc bn ngoi.1.2 Kim tra sn phm v nhn dng cc b phnM bao b bin tn v kim tra cc tm cng sut trn ba a pha trc v nh gi trn mt bn bin tn m bo rng

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sn phm ng vi n t hng v bin tnc nguyn vn.Inverter Type

Ph kinQut bao gm inh vt c nh (22K hoc t hn)

Nhng con c theo tiu chun Chu u

1.3 Lp t v ni dy

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1.3.1 u dy

1.3.1.1 S ni dy

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1.3.1.2 c im k thut ca cc u cui trn mch chnh

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1.3.1.3 u mch iu khinCh dn chc nng im cui c th chn la s dng t trang 178 trang 196 (chn la chc nng u cui I/O)(1) Tn hiu vo

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27

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(2) Tn hiu u ra:29

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2Bng iu khin hot ng2.1 Cc phn ca bng iu khin hot ng2.2 Bng iu khin hot ng

2. 2 Hot ng c bn31

2. 3 Hot ng kha cho mt thi gian di32

Hot ng bng cch s dng quay s thit v quan trng ca bng iu khin hot ng cth c thc hin khng hp l ngn chn s thay i tham s v bt ubt ng v ngn chn.Thit lp "10" hoc "11" Pr.161, sau nhn MODE trong 2s lm cho quay s thit lp v hot ng chnh khng hp l.)Khi cc hot ng quay s v phm ci t c thc hin khng hp l, HOLD xut hin trn bng iu khin hot ng.Khi quay s thit lp v hot ng chnh l khng hp l, HOLD s xut hin nu cc hot ng quay s hoc phm thit lp c thc hin. (khi quay s thit lp hoc hot ng chnh khng c thc hin cho 2s, mn hnh hin th gim st s xut hin.) lm cho quay s ci t v hot ng chnh hp l mt ln na, nhn MODE trong 2s.) POINTThit lp "10" hoc "11" (chnh ch kha hp l) trong Pr.161 ci t tn s / la chn hot ng chnh kha. OPERATION1. Mn hnh lc bt ngun. Mn hnh hin th gim st s xut hin.2. Bm PU/EXT chn ch hot ng PU.3. Bm MODE chn tham s ci t.4. Vn nm iu chnh cho ti khi P.16 1(Pr.161) xut hin.

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5. Nhn SET c cc gi tr hin ang thit lp. "0" (gi tr ban u) xut hin.)6. Vn nm iu chnh thay i n vi gi tr ci t "10"7. Nhn SET ci. 8. Nhn "MODE" vi 2s hin th ch kha phm.Hp l ngay c trong tnh trng hot ng cc chc nng kha. CAUTIONPht hnh cc kha hot ng gii phng dng PU bi hot ng chnh.

2.4 Gim st u ra dng in v u ra in p POINTMn hnh hin th tn s u ra, u ra in p v u ra dng in c th c thay ibngcch nhn "" trong ch gim st. OPERATION1. Bm "MODE" trong khi hot ng lachn tn s u ra mn hnh2. Khng ph thuc v d bin tn angchy trong bt k ch hot ng hoc ti mt im,mn hnh u ra dng in xut hin bng cch nhn "SET".3. Bm "SET" hin th mn hnh in p u ra.2.5 u tin u tin ca mn hnh

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Gi phm "SET" trong 1 giy ci t mn hnh m t c xut hin u tin ch mn hnh.( tr v mn hnh tn s u ra, gi phm "SET" trong 1 giy sau khi hin th mn hnh tn s u ra).2.6 Thay i gi tr thng s ci tThay i V d: Thay i tn s ti a Pr.1OPERATION1. Mn hnh lc bt ngun. Mn hnh theo di sxut hin.)2. Nhn PU/EXT chn cch vn hnh PU.3. Nhn MODE chn tham s ci t ch . 4. Vn mm iu chnh cho ti khi xut hin P.1(Pr. 1). 5. Nhn SET c gi tr ci t hin ti. 120.0 (gi tr ban u) xut hin.6. Vn nm iu chnh thay i gi tr cn thit lp 60.00 7. Nhn SET thit lp.Bng cch vn mm iu chnh, bn c th c thng s khc.Bm "SET" hin th li cc ci t.Bm "SET" hai ln hin th cc thng s tip theo.Bm "MODE" hai ln tr v mn hnh theo di tn s.2.7 Xa tham s, xa tt c tham sPOINT

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Thit lp "1 " trong Pr. CL cc tham s xa, tt c cc cc tham s ALLC xa khito tt c cc cc tham s. (thng s khng c xa khi "1" l thit lp trong Pr 77 lachn. ghi cc thng s.Hy tham kho danh sch cc cc tham s trn trang 88 v sau trong thams c xa vi hot ng nyOPERATION1. Mn hnh lc bt ngun. Mn hnh theo di s xut hin.2. Bm "PU/EXT" chn cc vn hnh PU.3. Bm "MODE" chn ch ci t cc tham s.4. Vn nm iu chnh cho n khi "Pr.CL", "ALLC" xut hin.5. Bm "SET" c cc gi tr hin ang thit lp. "0" (gi tr ban u) xut hin.6. Vn nm iu chnh theo chiu kim ng h thay i n vi gi tr ci t ca "1 ".7. Bm "SET" thit lp.2.8 Cc thng s sao chp v cc tham s xc minh

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1) Sao chp tham sNhiu bin tn v cc thit lp cc tham s c th c sao chp.OPERATION1. Kt ni bng iu khin vnhnh n cc bin tn ngun sao chp.2. Bm "MODE" chn ch cit cc tham s.3. Xoay nm iu chnh cho nkhi PCPY (cc tham s bn sao) xut hin. 4. Bm "SET" c cc gi tr hinang thit lp. "0" (gi tr ban u) xut hin.5. Vn nm iu chnh thay i n n gi tr ci t "1"6. Bm "SET" sao chp cc thong s ngun vo bng vn hnh.7. Kt ni bng iu khin vn hnh n cc bin tn ngun sao chp.8. Sau cc bc thc hin 2-

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5, xoay nm iu chnh thay i ti "2".9. Bm "SET" ghi cc thng s sao chp vo bng iu khin vn hnh cho cc bin tnch.10. Khi sao chp hon tt, "2" v "PCPY" nhp nhy.11. Sau khi vit cc gi tr tham s cho cc bin tn sao chp ch , lun lun t li cc bin tn, v d: chuyn i in ra mt ln, trc khi bt u vn hnh.2) Cc thng s xc minhBt k gi tr tham s tng t c thit lp trong bin tn khc hoc khng th c kim tra.OPERATION1.Thay th bng iu khin hot ng v bin tn c xc minh.2. Mn hnh lc bt ngun. Mn hnh hin th gim st s xut hin.3. Bm "MODE" chn ch ci t thng s.4. Xoay nm iu chnh cho nkhi PCPY (tham s bn sao) xut hin.5. Bm "SET" c cc gi tr hin ang thit lp.6. Xoay nm iu chnh thay i n thit lp gi tr "3" (tham s bn sao xc nhn ch ).7. Bm "SET" c cc thng s ci t ca bin tn xc minh vo bng hot ng. Nu cc thng s khc nhau tn ti, con s tham s khc nhau v rE3 nhp nhy. Gi "SET" xc minh.

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8. N khng c s khc bit, PCPY v 3 nhp nhy hon thnh xc minh.3 Khi ng / dng t bng hot ng (PU operation mode)POINTT u c c cc lnh tn s ?Hot ng tn s thit lp ti ch ci t tn s ca bng iu khin hot ngHot ng bng cch s dng quay s ci t nh l m lngThay i tn s vi thit b chuyn mch ON / OFF kt ni ti cc u bt dyCi t tn s vi mt thit b in p raCi t tn s vi mt thit b dng ra

3.1 Thit lp tn s ci t hot ng (v d: Hot ng thc ti 30Hz)OPERATION1. Mn hnh lc bt ngun. Mn hnh hinth gim st s xut hin.2. Bm "PU/EXT" chn ch hotng PU.

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3. Xoay nm iu chnh hin th tns bn mun thit lp. Cc tn s nhpnhy trong khong 5s.4. Trong khi gi tr hin nhpnhy, nhn "SET" ci t tn s.(Nu bn khng nhn "SET", nhng gi trnhp nhy khong 5s v sau hin th trv 0.00 Hz.Vo lc ny, tr v "Step 3" v thit lp tn s nhp nhy.)5. Sau khi gi tr nhp nhy trong khong 3s, mn hnh hin th tr v 0.00. Bm "FWD" (hoc "REV") bt u hot ng.6. thay i tn s thit lp, thc hin cc thao tc trong cc bc 3 v 4 trn. (Bt u t tn s ci t trc .)7. Nhn "STOP/RESET" dng.REMARKSBm vo nm iu chnh hin th tn s ci t .Nm iu chnh cng c th c s dng nh mt chit p thc hin thao tc.3.2 S dng quay s ci t nh mt chit p thc hin thao tc.POINTThit lp "1" (ci t ch quay s chit p) ti Pr. 161 Tn s ci t / la chn thao tc chnh kha.

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Operation1. Mn hnh lc bt ngun. Mn hnh hin th gimst s xut hin.2. Bm "PU/EXT" chn ch hot ng PU. 3. Thay i Pr. 161 ti gi tr ci t " 1 ".4. Nhn "FWD" (hoc "REV") bt u bin tn.5. Xoay nm iu chnh cho n khi "60.00" xuthin. Tn s nhp nhy l tn s ci t. Bn khng cn phi nhn "SET".REMARKSNu "60.00" nhp nhy chuyn sang "0.0", Pr. 161 Tn s ci t / la chn thao tc chnh kha c th khng la chn " 1 ".c lp vi bin tn ang chy hoc dng, tn s c th c ci t bi thao tc xoay.3.3 S dng thit b chuyn mch cung cp cho mt lnh khi ng v mt lnh tns (a tc ci t)POINT:S dng "FWD" / "REV" cung cp mt lnh bt u.Pr. 79 la chn ch hot ng phi c thit lp n " 4 " (bn ngoi / PU kt hp 2ch thao tc)Cc gi tr ban u ca u bt dy RH, RM, RL l 60Hz, 30Hz, v 10Hz.

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Hot ng tc -7 c th c thc hin bng cch bt ng thi hai (hoc ba) ubt dy.

OPERATION1. Mn hnh lc bt ngun. Mn hnh hinth gim st s xut hin.2. Thay i Pr. 79 thit lp n " 4 ".3. Bm cng tc khi ng"FWD" (hoc "REV"). FWD (hoc REV) nhp nhy. Khi tn s cclnh khng cho, n nhp nhy.4. Bt cng tc tc thp (RL). Cc tns u ra tng ti 10Hz theo Pr. 7 Thi gian tng tc.

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5. Tt cng tc tc thp (RL). Cc tns u ra gim n 0Hz theo Pr. 8 Thi gian gim tc.6. Tt cng tc khing "STOP/RESET". FWD (hoc REV) s tt.3.4 Thc hin cc ci t tn s bng tn hiu tng t (in p u vo)POINTS dng "FWD" / "REV" cung cp cho mt lnh bt u.Pr. 79 la chn ch hot ng phi c thit lp n " 4 " (bn ngoi / PU kt hp 2 ch hot ng )

OPERATION1. Mn hnh lc bt ngun. Mn hnh hinth gim st s xut hin.2. Thay i Pr. 79 ci t ti " 4 ".3. Khi ngBm cng tc khing "FWD" (hoc "REV").Du hiu ca tnh trng hotng FWD (hoc REV) nhp nhy. 4. Tng tc khng i tc Xoay nm iu chnh (tn s thit

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lp chit) chiu kim ng h t t n y . Gi tr tn s trn ch tngln theo Pr. 7 Tng tc cho nkhi 60Hz c hin th.5. S chm liXoay khi iu chnh (ci t tn s chitp) ngc chiu kim t t n khi n tns cn ci t.Gi tr tn s trn ch gim theo Pr. 8 Thi gian gim tc n khi 0.00Hz c hin th v ch dn tnh trng hot ng FWD hoc REV s nhp nhy .ng c dng li.6. Stop Bm "STOP/RESET". Du hiu ca tnh trng hot ng FWD (hoc REV) s tt.3.5 Thc hin ci t tn s dng tng t (dng in u vo)

OPERATION1. Mn hnh lc bt ngun. Mn hnhhin th gim st s xut hin.2. Thay i Pr. 79 ci t n " 4 ".

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3. Khi ngKim tra xem trong 4 u bt dychn tn hiu u vo ( AU) l ON.Bm cng tc khing "FWD" (hoc "REV").Du hiu tnh trng hotng FWD hoc REV nhp nhy.4. Tng tc khng i tc S dng 20mA u vo.Gi tr tn s trn ch tng ln theoThi gian tng tc Pr. 7 cho nkhi 60.00Hz c hin th.5. S gim tcS dng 4mA u vo.Gi tr tn s trn ch gim theo Thigian gim tc Pr. 8 cho nkhi 0.00Hz c hin th v cc du hiu cho thy tnh trng hot ngFWD hoc REV nhp nhy. ng c dng li.6. StopBm "STOP/RESET".FWD hoc REV ch dn tnh trng hot ng s tt.

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