VPRS 400 Rack OmanualViet

8/2/2019 VPRS 400 Rack OmanualViet

1/43

hng dn vn hnhVPRS - 400

u vo 220V AC 1Pha /380V AC 3Pha 4 Dyu ra -48VDC400A mi t

50A mt ngn chnh lu

Cng ty gii php cng ngh ngun POSTEF DONGAH63 Trn ph Ba nh H ni

PDE


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hng dn vn hnh VPRS - 400 Trang 2/43PDE


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mc lc

1 Cc thng s k thut ca h thng ...................................91.1 Nhng c tnh ni bt ca VPRS-400 ................................................. 91.2 c tnh in ......................................................................................... 91.2.1 Cc c tnh u vo......................................................................... 91.2.2 Cc c tnh u ra ......................................................................... 101.2.3 iu khin, hin th v cnh bo .................................................... 111.2.4 Ngn chnh lu................................................................................ 111.3 Cc thng s v an ton ...................................................................... 121.4 c tnh v mi trng........................................................................ 131.5 Cc thng s v vt l ......................................................................... 132. Cu hnh h thng chnh lu.................................................... 13

2.1 Cu hnh .............................................................................................. 132.2 Mt trc ............................................................................................. 142.3 Chc nng............................................................................................ 152.4 S khi h thng chnh lu............................................................. 162.5 S u dy ca h thng ngun...................................................... 173. Lp t ln u v cc im kim tra ............................... 183.1 cc bc kim tra lp t .................................................................... 183.2 Tho, lp ngn chnh lu..................................................................... 193.3 Hot ng bnh thng........................................................................ 203.4 Trong trng hp b li v cch khc phc......................................... 21

4. Cu hnh ngn chnh lu. ........................................................... 224.1 Cng tc ch Ch/ Hot ng (Standby/Operating)....................... 224.2 n POWER sng............................................................................... 224.3 n STB .............................................................................................. 224.4 n cnh bo li (ALARM) ............................................................... 234.5 Chit p iu chnh VR....................................................................... 235. hot ng ca ngn iu khin ............................................. 245.1 Hin th................................................................................................ 245.2 Cc chc nng ca ngn iu khin.................................................... 255.3 Vn hnh ngn iu khin................................................................... 27

6. Cng tc ngt r le c quy bng tay ................................ 277. Vn hnh v dng h thng chnh lu............................... 287.1 Vn hnh h thng chnh lu ..............................................................287.2 Dng h thng chnh lu ti ch (LOCAL) ........................................ 287.3 Dng h thng chnh lu t xa (REMOTE)........................................ 297.4 B nhit c quy (Ch BTC trong chc nng TEMP ON).......... 307.5 Chn ch in p np th ni FL (TEMP OFF)............................ 31


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7.6 Chn ch np tng cng in p ra ..............................................317.7 Khi ng li ngn chnh lu..............................................................32 7.8 Gii hn dng np c quy....................................................................337.9 Bt tt cnh bo bng m thanh (Audible Alarm ON/ OFF) .............. 337.10 Ngun ca ngn iu khin b thp.....................................................348. Chc nng o v ci t thng s ngn iu khin ...358.1 Cc chc nng v ci t cc thng s ca ngn iu khin...............35 8.2 Chc nng o ca ngn iu khin ..................................................... 359. Kim tra v bo dng ngun.................................................36 9.1 Tng quan............................................................................................369.2 Chu k kim tra...................................................................................369.3 Thm ngn chnh lu...........................................................................36 10.xc nh v khc phc li.........................................................37 10.1 khc phc li .......................................................................................3810.2 thay th Cc b phn ........................................................................... 3810.3 Th t thay th.....................................................................................3810.3.1 Thay th ngn chnh lu (DRM-550V) ..........................................3810.3.2 Thay th qut ca ngn chnh lu ...................................................3810.3.3 Thay th mch bo v qu p u vo ............................................ 4010.3.4 Thay th ptmt (NFB) u ra ...................................................... 4011.Nhng ch vit tt.........................................................................41


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Nhng khuyn co v s an ton

m bo cho s vn hnh an ton

- Trc khi lp t, vn hnh, kim tra hay sa cha hy ch c tht k nhnghng dn chi tit trong quyn ti liu ny iu s m bo cho h thng ca bnvn hnh an ton.

- Sn phm ny c sn xut di s gim st cht ch v cht lng. Nu nh cbt k nguy c ph hu no i vi con ngi cng nh ti sn, hy lin h ngay vichng ti: PDE Cng ty gii php cng ngh ngun POSTEF-DONGAH 63 TrnPh, Tel: 04 7342720.

- Ti liu ny em ti ngi s dng nhng hng dn s dng m bo an ton,

xem nhng biu tng sau:

Khi bn lm vic vi h thng ny m khng ch quan stbiu tng bn th rt c th bn s gp nguy him chtngi hoc b thng

nhng ni c biu tng ny nu bn khng ch , s cth gy nh hng n ti sn ca bn

Chc chn rng sn phm bn nhn c chnh l sn

phm m bn t hng Trc ht hy kim tra li s lng hng ho c chuynn theo danh mc trong trang nh km. Sau , hy mbo rng khng c s thiu ht, mo m bin dng, phhng chi tit, v sn b hng, thiu c vt hay cp b phhu


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Khng sn phm ny ni c nc, c kh, cht lng,

hay nhng ni m nh sng trc tip chiu vo Khng bo qun ti nhng ni c nhit v m cao.

Khng cho h thng hot ng nhng ni d chy, ckh n mn, c sng hay m cao (iu ny c th dnn hin tng chp in hay chy) Khng sa i, thay i li sn phm (iu ny c th

dn n chy chp in) Hy vn hnh h thng ny di cc iu kin mi

trng c ch r trong quyn hng dn ny) Hy ch n in th, tn s, nhit , m v

rung (Nu vi phm vo cc yu cu v mi trng lmvic d dn n b chy n hay ngn mch) Trc khi ni dy c quy, ti v dy ni t ch khng

u ngc cc tnh. (u ngc d dn n chy) Khi h thng ang lm vic, khng chm vo dy c

quy, ti hay cc cc ni t. iu d dn n b ingit hoc b ngn mch Ch khng o ngc cc tnh ca dy cp tn hiu

(iu ny c th dn n chy) Khng vt l nh l: v dy in, inh vt ... trong

thit b ( iu ny c th dn n chy v chp) u ra DC c ni vi c quy trc khi cc b khi

ng h thng c iu khin. Tht ch l khng tonn cc hin tng ngn mch Khi thm cc ngn chnh lu, ch ngun vo AC

c cp n gic ni bn trong t ngun. (C th gyra in git) Khi tho lp ngn chnh lu vo t, ch c th b bng

v cc chi tit trong t b qu nhit (iu ny c thgy tn thng) Khng ngn tay hay bt k vt dng no khc vo

cnh qut ca ngn chnh lu (iu ny c th gy bthng) Khi m rng cc khi ch khng lm ny sinh cc hin

tng ngn mch


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Khi cc dy cp c ni, phi tch c quy ra khi hthng chnh lu tr cc im ni gia cc bnh c quy vinhau Bt u hot ng sau khi ni dy c quy, dy ti v

dy ni t c cch in vi NFB v cu ch Ni dy c quy, dy ti v dy ni t khi ti c

tch ra khi h thng ngun Tn hiu truyn cnh bo xa nn s dng in p nh

hn 60V v c dng nh hn 0.5A Trc khi cm hay tho gic tn hiu RS232 hoc RS458

nn tt ngun ca ngn iu khin Khi tho hay lp ngn chnh lu phi tt cng tc ngun

ca ngn chnh lu trc khi thc hin Khi tho hay lp ngn chnh lu nn ch n thanh dn

hng trn h thng chnh lu gip cho vic tho lpd dng Vn cht tt c cc vt mt trc ca ngn chnh lu

vo h thng, sau mi bt cng tc ngun ca ngnchnh lu Do u vo AC c th vn c bt cp cho h thng

khi m ngn chnh lu b hng nn cn ch n uvo AC

Nhn vin k thut c trnh s tin hnh cng vickim tra v sa cha theo nh k vi quy trnh c th Ch c nhn vin k thut c trnh chuyn mn v

kinh nghim mi c php sa cha h thng ngun ny(nu vi phm iu ny c th gy chp in v ho hon) Khi u vo AC v DC c ni, ch khng xy ra

chp in hay ngn mch khi h thng ang c kimtra v sa cha.

Khi h thng c bt trong khi ngun b li, in pu vo AC c th vn c cp ti h thng. Do phic bit ch n in p u vo AC khi tin hnh kimtra v sa cha


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Sn phm ny khi khng cn s dng c na, phic hu theo ng th tc cht ch v hu cht thicng nghip


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1 Cc thng s k thut ca h thng

1.1 Nhng c tnh ni bt ca VPRs-400

1) y l loi ngun c thit k cho tt c cc loi thit b vin thng c sdng ngun 48VDC, n p ng y cc tiu chun quc t v Vitnam.

2) Thit k dng Module vi cu hnh d phng N+1. Cc ngn chnh l u cah thng ngun c th thay th nng, khng lm nh hng n hot ngca h thng.

3) Tt c cc linh kin ca ngun c cung cp theo tiu chun TL9000 vUL60950.

4) Chc nng gim st v iu khin t xa qua mng ca h thng c th thchin c nu la chn lp thm Module SNMP.

5) Nhiu in t trng ca h thng ngun t yu cu theo tiu chun FCCPART 15 SUBPART B, CLASS A.

6) H thng ngun c th hot ng tt khi in p ngun vo AC bin itrong di rng t 150VAC n 295VAC. Khi in p vo khng nm trongdi ci t ngn chnh lu s ngng v t ng khi ng tr li khi in pvo tr li bnh thng.

7) Cng ngh ch to ngn chnh lu l cng ngh Zero Crossing Circuit vi tin cy cao.

8) Ngn phn phi u ra s dng ptmt kiu thay th nng, truy nhp tpha trc, ngi s dng c th d dng m rng v thay th cc u ra.

9) H thng ngun c th hot ng ngay c khi ngn iu khin b hng. Cc

ngn chnh lu vn hot ng theo ch c ngn iu khin ci ttrc .10) Tui th hn 250000gi.11) T ng phn chia ti khi thay i s lng cc ngn chnh lu.12) gn u ra nh c th ni trc tip ti ti khng cn c quy.13) Ngn iu khin hin th cc trng thi hot ng ca h thng trn mn

LCD v LED. Cc gi tr o t chnh xc cao ti 1%.14) H thng ngun c lp trn mt t theo chun 19. T ngun c lm

bng thp dy 2mm, gia cng bng phng php un gp to cng vng. Xl b mt bng cng ngh m v sn tnh in. Pha sau v pha trn t ccc l thng gi m bo vic i lu khng kh v lm mt ngn chnh lu.

1.2c tnh in

1.2.1 Cc c tnh u vo1) in p u vo danh nh: 13W 220Vac/ 3 4W 380Vac2) in p lm vic: 160V 280V


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3) Tn s lm vic: 45 Hz 70Hz4) Dng khi ng: 30A (vi mi ngn chnh lu)5) Hiu sut: 92% hoc ln hn (ti 25% 100% ti)6) H s cng sut: 99% hoc ln hn (ti 25% 100% ti)7) Phn phi AC: bao gm 3 NFB cho cc pha R, S, T

1.2.2 Cc c tnh u ra1) in p u ra danh nh: 53.5V 0.2V (ti 50% ti)2) Di in p u ra: 44.0V 59.0V ch np m

44.0 ~ 60.0V ch np tng cng3) Khi ng mm: 3 n 5 giy (thi gian t khi bt ngun n khi in p

u ra t ti gi tr danh nh).4) Dng ti MAX ch hot ng lin tc: 400A (50A x 8 ngn).5) Mch phn phi u ra: Xem bng 1

Bng 1: Phn phi u ra

TT u ra Phn loi Dung lng in p Din gii

1 L1 NFB 50A -53.5V Ngun cp cho ti 1



4 L4 NFB 50A -53.5V D phng #15 L5 NFB 50A -53.5V D phng #2

6 L6 NFB 50A -53.5V D phng #3

7 L7 NFB 50A -53.5V D phng #4

8 L8 NFB 50A -53.5V D phng #5

9 B1 NFB 200A -53.5V BATT. #1

10 B2 NFB 200A -53.5V BATT. D phng

6) n nh in p u ra khi in p u vo v ti thay i: 1.0%(0.54V) hoc nh hn.

7) Gii hn dng ti: t 40% 110%. Khi dng ra t n gi tr gii hn cit, in p ra s gim nhanh xung bo m dng ra khng vt qu giihn ci t.


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8) Thi gian phc hi: 25ms (Thi gian in p ra tr v trng thi n nhban u khi c t bin dng ti t 20% ~ 100%. Bin in p bin icc i 5% gi tr n nh ban u).

9) Bo v qu p u ra: Chnh lu ngng hot ng khi in p ra t 59.0V60.0V (Di ngt in p cao c th ci t t 48 ~ 60V).

10) Phn chia ti t ng, lch ti gia cc my nn 1% k c khi ngniu khin b hng.

11)Bo v in p c quy thp: 42.0V 0.2V c th iu chnh c t 40 n50V (Ngng phc hi 47~57V).

1.2.3 iu khin, hin th v cnh bo1) iu khin c b tr mt trc, iu khin c ti a 12 ngn chnh

lu. ng h o c chnh xc 1%.2) Hin th ng thi trn ng h s bng LED v mn LCD.

Trn ng h s bng LED hin th cc gi tr in p vo AC, in p raDC, dng ra ti, dng phng/np ca c quy.Trn mn hnh LCD hin th cc gi tr in p vo AC, in p ra DC, dngra ti, dng v in p ca tng ngn chnh lu, dng phng/np ca c quy.Hin th cc trng thi hot ng ca h thng: Trng thi np m, np bxung, np b nhit, nhit mi trng v nhit c quy... Hin th ccch ang ci t v di ci t ca h thng. Hin th cc cnh bo li:li ngun vo AC, in p vo AC cao, in p vo AC thp, in p ra DCcao, in p ra DC thp, in p c quy thp, li h thng, li ngn chnhlu, li c quy, li NFB, li LVD (LVD ngt), c quy ang phng in. Ccli ng thi c hin th bng n LED, trn mn hnh LCD v m thanh

cnh bo.3) C kh nng ci t cc thng s hot ng ca h thng bng bn phmtrn mt trc ca ngn iu khin. C ch np t ng hoc nhn cng.C ch bo v bng PASSWORD.

4) C th gim st ti 6 dy c quy thng qua Card gim st c quy (la chn)v thc hin ch np b nhit cho c quy. Trn ngn iu khin c sn 6cng kt ni vi 6 Card gim st c quy theo ch Plug and Play.

5) Gim st xa: cc cnh bo li c a ra ngoi bng cc tip im cthng kn v thng m. C th gim st t xa bng my tnh c nhn quacng RS-232. Hoc thng qua mng bng Modem hoc Card SNMP. Trnngn iu khin c sn v tr lp thm cc Card ny.

1.2.4 Ngn chnh lu1) in p vo danh nh: 1 pha 220Vac.2) Di in p lm vic: 150 ~ 290Vac. Khi in p u vo 147V chnh lu

t ng ngng, khi in p 166V n t ng hot ng tr li. Khi in pu vo 295V chnh lu t ng ngng, khi in p 278V n t nghot ng tr li.

3) Tn s lm vic: 45 ~ 70Hz


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4) Dng khi ng: 30A (dng vo khi y ti in p vo 180VAC: 16A)5) Hiu sut: 92%6) H s cng sut: 99%

7) Bo v ngn mch u vo AC bng cu ch.8) in p ra: C th iu chnh t 44~ 59V bng ngn iu khin.9) Dng ra ln nht 55A (110%)10)Gii hn dng: 110% (iu chnh bng ngn iu khin t 40% ~ 110%).

Khi dng ti ln hn gi tr gii hn dng ci t (t 40% ~ 110%) in pu ra gim nhanh xung, gi cho dng ra ti khng ln hn gi tr gii hndng ci t.

11)Bo v qu in p u ra: Chnh lu t ng ngt (Shutdown) khi in p rat59.0V 60.0V, hot ng tr li phi khi ng li (RESET) bngcng tc bt tt ngun (ON/OFF). Ngng bo v qu p c th iu chnht 48~ 60VDC (iu chnh bng ngn iu khin).

12)Khi ng mm (thi gian t khi bt ngun n khi in p u ra t tigi tr danh nh): 3 n 5 giy.

13)Thi gian phc hi: 25ms (Thi gian in p ra tr v trng thi n nhban u khi c t bin dng ti t 20% ~ 100%. Bin in p bin icc i 5% gi tr n nh ban u).

14)Bo v ngn mch u ra: Khi xy ra ngn mch u ra, ngn chnh lu sgim in p ra v 0, khi ht ngn mch n s tr li hot ng bnh thng.

15)Khi ngn iu khin b hng hoc tch ra khi h thng, ngn chnh lu tng hot ng theo cc gi tr c ci t trc t ngn iu khin.

16)Hin th cc trng thi hot ng (c in vo AC, ch ch, ang hotng v ngng) v cc li ca ngn chnh lu (li ngn chnh lu, qu p,

qu dng, qu nhit v li qut) bng n LED.17)Lm mt bng qut.

1.3Cc thng s v an ton

1.3.1 Nhiu in t trng (EMI)Theo: FCC PART 15 SUBPART B, CLASS A

50 KHz f 15MHz: 1500V hoc thp hn50 KHz f 15MHz: 20V/m vi khong cch 1m40 MHz f 70MHz: 10V/m vi khong cch 1m

1.3.2 in p nhiu v gn sngNhiu Psophometric: 1mVNhiu bng thoi: 32dBrnCNhiu bng rng: 100mVp-p/30mVrms trong di 10Hz ~ 20MHzin p nhiu 2,5mVrms trong di 100Hz ~ 20KHz (vi ti danh nh v c

c quy)


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in p nhiu 4,0mVrms trong di 100Hz ~ 20KHz (vi ti danh nh vkhng c c quy)

1.3.3 Qu p trn ng cp ngunin p: 6KV (1.2 x 50s), dng 3KA (8x 12s)

1.3.4 Dng rnh hn50mA

1.4c tnh v mi trng

1.4.1 m v nhit lm vic m t : 10% 95% khng ngng t

Nhit : -45o

C +50o

C1.4.2 m v nhit bo qun m : 5% 95% khng ngng tNhit : -45oC +85oC

1.5Cc thng s v vt l

1.5.1 Kch thc :H thng ngun: 1015 (cao) X 600 (rng) X 500 (su)mm

1.5.2 Trng lng :

H thng ngun: VPRS-400 150Kg hoc nh hn (bao gm 8 ngnchnh lu)DRM-550V ngn chnh lu 6.5Kg hoc nh hn

2. Cu hnh h thng chnh lu

2.1Cu hnh

H thng ngun VPRS -400 bao gm ngn phn phi AC DC, v 8 khe lpc ti a 8 ngn chnh lu DMR-550V. C th lp thm mt gi ngun ph vi 4ngn DRM-550V m rng n 600A (xem hnh 1, mt ngoi ca h thng chnhlu). Ngn iu khin c t mt trc ca ngn phn phi, nm pha trn ccngn chnh lu. Ngn phn phi DC c 8 ng ra cho ni ti v 2 ng ra ni cquy.

H thng ngun c thit k ng thi cp dng cho ti, np c quy vit l cc dng v c th s dng c cho h thng khng cn c quy.


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2.2 Mt trc

Mt trc ca h thng chnh lu xem hnh 1

VPRC-400

VPRS-400

Hnh 1: Mt trc ca ngun VPRS 400


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2.3 Chc nng

Bng 2. Cc chc nng ca h thng chnh lu

Phn loi S ngnchnh lu

Tnh nng Ch thch

Ngn chnh lu(DRM-550V)

8

Nhn in p vo 220V/ 240VAC vbin i thnh-48V DC cung cp dng cho ti v npin cho c quy

Ngn iu khin(CPRC) 1

iu khin ti 12 ngn chnh lu, hinth in p vo, ra, dng ra ti, dng

c quy, cc trng thi hot ng, cccnh bo v gi tn hiu cnh bo rangoi

Bng phn phiAC

1Nhn in p 1 3W 220Vac hoc 34W 380 Vac phn phi n cc ngnchnh lu

Bng phn phiDC

1 Phn phi cho cc ti v ni vi cquy


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2.4 S khi h thng chnh lu

Hnh 2: S khi h thng ngun VPRS 400


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2.5 S u dy ca h thng ngun

EARTH BUSBAR

I. BATT

LVD

I. LOAD

AC TERMINAL

NFB

AC-R

NFB

AC-S

NFB

AC-T

R S T N

AC SENSE SURGE

PROTECTION

DRM-550V

#1VPRC-400

AC-R (Red) 8mm2 (+) BUSBAR

(-) BUSBAR

Sign Control

Cabinet

AC-S (Blue) 8mm2

AC-T (Black) 8mm2

AC-N (White) 8mm2

Ground (Green-Yelow) 8mm2

LOAD #2 LOAD #1LOAD #3 BATT #1

DRM-550V

#4

DRM-550V

#2

DRM-550V

#3

DRM-550V

#5

DRM-550V

#6

DRM-550V

#8

DRM-550V

#7


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2.5.1 Dy vo ACCc dy vo AC s dng dy cp la 8 AWG c d phng cao, vimt dng thp m bo cp dng c trong trng hp m rng, mt

dng khng ln hn 5A/mm2. Dy dn ca cc pha c nh dubng mu dy v ghi tn trn cc gen bc u dy. Cc dy dn ACc b ring v c nh cht ch vo khung t ngun.

2.5.2 Dy ra DCu ra ca cc khi my nn c ni bng thanh ci (BUSBAR) bngng . c tnh ton mt dng in thp t 1 ~ 2A/mm2 m bo st p u ra nh nht v khng pht nhit trn thanh ci.

2.5.3 Dy tn hiu v iu khinTt c cc dy tn hiu v iu khin c bc kim v bc cch in.Cc u dy c bc gen v nh du tn. Dy tn hiu v iu khin

c b cht v c nh vo khung t.2.5.4 Dy tTt c cc chi tit kim loi bao bc thit b nh v ngn phn phi, vngn chnh lu v cc chi tit g khc c ni lin mch vi nhaubng cp mm. V h thng ngun c ni vi bng ng tip t(EARHT BUSBAR) ca h thng nm trn nc ngn phn phi. Bphn chng qu p ng ngun vo AC cng c ni n bng ngtip t bng dy 6AWG.

3. Lp t ln u v cc im kim tra

3.1cc bc kim tra lp t

Thc hin kim tra lp t h thng theo cc bc sau:1) Kim tra xem khung t c bt cht vo sn cha2) Kim tra xem cm bin nhit ca c quy c bt cht cha3) Kim tra xem NFB lp t trn khung phn phi DC cha4) Kim tra xem c quy u ng cc cha, nu cc c quy u ngc th

Rle s khng lm vic khi c ngun5) Kim tra xem cng tc ng ngt LVD bng tay c ch NORMAL

khng6) Kim tra xem cng tc cnh bo ca ngn iu khin bt cha

7) Kim tra xem dy ni t ca t c ni vi t chung ca thanh cichnh cha

8) Kim tra xem dy cp vo ra c ni ng cha9) Kim tra xem ngn chnh lu c lp cha

Khi tt c cc bc lp t, i dy hon thnh, tin hnh cc bc kim tra theocc trnh t sau:


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1) Kim tra tt c cc cng tc ngun c tt, kim tra cc tnh v ccim u ni dy bng cch dng ng h s.

2) Kim tra ngun vo c u ng cha, s dng ng h s.

3) Kim tra cc dy cp u ra c ni ng cha, s dng ng h skim tra cc tnh.

4) Bt p t mt ngun AC trn ngn phn phi.5) Kim tra xem n STB mu vng ca mi ngn chnh lu sng cha,

sau bt cng tc ca ngn chnh lu.6) Kim tra n Power mu xanh sng cha, sau bt cng tc ngun ca

ngn iu khin ri kim tra cc n bo li trn ca s hin th.

3.2Tho, lp ngn chnh lu

3.2.1 Ci t a ch ngn chnh lu

Trnh t lp t v ci t a ch ca cc ngn chnh lu nh sau: Cng tc DIP dng t a ch ngn chnh lu nm pha sau nhn chnh lu,

c ci t trc bi nh sn xut.Bng 3: Trnh t t a ch ca cc ngn chnh lu, nhn t pha sau (k c

cc ngn m rng:

Ngn #4 Ngn #3 Ngn #2 Ngn #1Ngn #8 Ngn #7 Ngn #6 Ngn #5

Ngn #12 Ngn #11 Ngn #10 Ngn #9

ON

1 432

ID 8

ON

1 432

ON

1 432

ON

1 432

ID 7 ID 6 ID 5

ON

1 432

ID 4

ON

1 432

ON

1 432

ON

1 432

ID 3 ID 2 ID 1

ON

1 432

ID 12

ON

1 432

ON

1 432

ON

1 432

ID 11 ID 10 ID 9

Hnh 3. Ci t a ch ID v chuyn mch DIP


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Da vo s ngn chnh lu c lp t, kim tra trng thi ngn chnh lu ctrn ngn iu khin

Xem ti liu vn hnh ngn iu khin

3.2.2 Lp t ngn chnh lu vo h thng.Ngn chnh lu s c cm t pha trn bn tri ca t chnh lu.Nu h thng s dng in p 3 pha, hin tng chnh lch in p gia cc pha c

th xy ra. V vy, vic cm cc ngn chnh lu vo h thng s c thc hin bt ut tri sang phi v t trn xung di (khi lp thm gi ngun).

Tt cng tc ngun ca tng ngn chnh lu. Sau cm cc ngn chnh lu vo hthng cho n khi chm st vo pha sau ca t chnh lu. Sau vn cht tt c cc vt mt trc ca ngn chnh lu vo t.

ngn chnh lu hot ng, chuyn cng tc mt trc ca ngn chnh lu v vtr ON.

* m rng dung lng, cm thm ngn chnh lu vo t v sau khai bo thmngn chnh lu s dng ngn iu khin. bit thm chi tit, xem ti liuhng dn vn hnh ngn iu khin.

Ch : Ngn th 1, 4 v 5 c u chung mt pha R. Ngn th 2, 6 v 8 cu chung mt phaS. Ngn th 3 v 7 c u chung mt pha T. trnhhin tng lch pha nn cn nhc vic phn phi ph ti cc pha khi s ngnchnh lu khng phn b u cc pha.

3.2.3 Tho ngn chnh lu ra khi h thng.Tt cng tc ngun ca ngn chnh lu. Sau tho tt c cc vt mt trc cangn chnh lu, ly ngn chnh lu ra ngoi mt cch nh nhng.

Trc khi tin hnh ly ngn chnh lu ra khi h thng, ch khong mt pht chon khi n LED mt trc ca ngn chnh lu tt hn, ri mi tin hnh rtngn chnh lu ra ngoi.

Ch : Tt cng tc ngun ca ngn chnh lu trc khi rt ngn chnh lu ra khih thng.

3.3Hot ng bnh thng.in p ra ca ngn chnh lu c ci t mc nh trc (do nh sn xut ci

t), cc n LED BTC-FL MODE, DCV mt trc ca ngn iu khin sng. Mnhin th tinh th lng LCD hin th cc thng tin ca h thng chnh lu. S dng ccphm t (F1~F6) pha di mn hnh LCD, ngi s dng c th xem hoc thay icc gi tr ci t.(Xem hnh 7).


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Hnh 4. Hin th trng thi hot ng bnh thng ca h thng

3.4Trong trng hp b li v cch khc phc.

Nu n FAIL sng trong khi h thng chnh lu ang hot ng, cc trng thi lic hin th trn ca s LCD mt trc ca ngn iu khin v m thanh cnh boc pht ra (Nu cng tc cnh bo v tr ON). Kim tra trng thi cnh bo liv tin hnh hiu chnh.

Hnh 5. Hin th trng thi li mt trc iu khin.

Bng 4. Cch khc phc i vi cc cnh bo li.

Cnh bo Sa cha li

MF

Nu thng tin ngn chnh lu b li, do ngn chnh lu cmvo h thng b lng.Nu ngn chnh lu b tho ra khi h thng, kim tra xemkhai bo ngn iu khin ang v tr ON (a ch ca ngnchnh lu b tho ra cha c khai bo OFF ngn iu khin).


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DCOV, DCUVKim tra thng s ci t mc nh in p ra ca h thng.Kim tra thng s ci t ngng in p ra thp UV v ngngin p ra qu cao OV ca h thng.

ACUV, ACOVo in p u vo thc b sai, s dng ng h s hiuchnh.Kim tra ci t ngng cnh bo in p u vo thp UV vngng in p u vo qu cao.

LVDKim tra nu cng tc ngt c quy t Normal (bnh thng).Kim tra nu c quy c u ni l bnh thng.

DCNFB Kim tra NFB c quy v tr OFFBNFBF Kim tra NFB c quy v tr OFF

OCAKim tra xem dng u ra c vt qu gii hn 110%, gi trban u (Xem ti liu vn hnh ngn iu khin)

Nu sau khi thc hin cc bc hiu chnh m khng x l c cc li cnhbo, hoc c cc vn khc xy ra, xin lin h vi trung tm dch v sau bnhng (A/S center).

4. Cu hnh ngn chnh lu.

4.1Cng tc ch Ch/ Hot ng (Standby/Operating).

Khi cng tc ch hot ng (Operation Mode, cng tc v tr 1) ngn chnhlu hot ng. Nu cng tc trong ch ch (Standby), u ra ca ngn chnhlu khng cung cp ngun ti h thng.Ch : Mc d cng tc ang trong ch ch (Standby), ngun u vo AC vnc cp ti ngn chnh lu, v n LED STB trn ngn chnh lu s sng.

4.2n POWER sng.

n POWER sng (mu xanh) khi ngn chnh lu hot ng bnh thng.

4.3n STB

Khi ngn chnh l

u ch ch (Standby), Ngn chnh l

u khng cp ngun tiu ra cho h thng.Ch : n STB sng (mu vng), ngun u vo AC c cp ti ngn chnhlu.Khi ngun u vo AC c cp ti ngn chnh lu, ngn chnh lu hot ng, nPOWER mu xanh mt trc ngn chnh lu sng.


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Khi thng tin vi ngn iu khin b li hoc khi u ra ca ngn chnh lu c cnhbo qu dng (OCA), n STB (mu vng) v n POWER (mu xanh) sng ngthi.

4.4n cnh bo li (ALARM)

Mt trong cc iu kin sau xy ra th n cnh bo li (mu ) sng.* Khi ngun u vo AC vt ra ngoi gii gii hn qu p, thp p cho php (gii

hn thp p UV: 164VAC v qu p OV: 275VAC).* Khi ngn chnh lu ngng hot ng do mch bo v qu p u ra iu khin.* Khi ngn chnh lu ngng hot ng do mch bo v qu nhit bn trong ngn

chnh lu iu khin.* Khi in p gim xung di mc gii hn cho php UV, do mch bo v gii

hn dng iu khin.* Khi qut ca ngn chnh lu b li.

* Khi ngn chnh lu ngng hot ng do cc tn hiu bn ngoi (cc n LEDmu xanh, mu vng v mu sng nhp nhy).* Khi u ra c cc li khc hoc khi in p gim xung di mc gii hn in

p thp UV cho php.

4.5Chit p iu chnh VR


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Hnh 6. Mt trc ca ngn chnh lu.

Chc nng ny c th c dng iu chnh in p ra ca ngn chnh lu. Vnchit p VR ny v bn tri gim in p ra ca ngn chnh lu. in p u raca ngn chnh lu c ci t 53.5V. Khuyn co khng c thay i thng sci t in p ra ca ngn chnh lu, nu thay i in p ra ca ngn chnh lu th phn chia ti gia cc ngn chnh lu s b thay i.

5. hot ng ca ngn iu khin

5.1Hin th


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VPRC-400

Hnh 7. Mt trc ca ngn iu khin

Ngn iu khin nm mt trc ca h thng ngun. N c chc nng hin th inp vo AC, in p ra DC, dng ra ti v dng phng/np ca c quy trn ng h sbng LED v trn mn hnh LCD. Cc ng h o c chnh xc n 1%.Trn mn hnh LCD cn hin th cc gi tr o c trn cc ngn chnh lu nh:

Dng ra ca cc ngn chnh luHin th cc ch np th ni (FLOATING) np cn bng (EQUALIZING)

cho c quyHin th nhit ca c quy (khi s dng b gim st c quy theo la chn)Hin th in p ca dy c quy ca cc ngn c quy (khi s dng b gim st

c quy theo la chn)

5.2Cc chc nng ca ngn iu khin(Xem ti liu hng dn vn hnh ngn iu khin.)5.2.1 o lng cc gi tr: in p u vo AC, in p ra DC, dng ra ti, dngphng/ np cho c quy v dng ra ca tng ngn chnh lu.5.2.2 Gim st, iu khin, ci t cc ch hot ng ca h thng ngun:+ iu khin v gim st 12 ngn chnh lu hot ng song song cng lc.+ Ci t iu khin in p ra ca cc ngn chnh lu trong di t44V n60VDC.+ Ci t cc gii hn in p u vo, u ra, gii hn dng ra.

+ Ci t cc ch np cho c quy.

5.2.3 Gim st, kim tra cc trng thi hot ng ca cc ngn chnh lu:+ in p ra thp (UV)+ in p ra cao (OV)+ Qu dng (OC)+ Qu nhit (OT)


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+ Qut hng (FF).+ Bt tt cc ngn chnh lu

5.2.4 Gim st v iu khin qu trnh np c quyGim st dng np/ phng ca tng dy c quy. Gim st in p ca tng bnh

c quy (khi lp thm b phn gim st c quy).iu khin qu trnh np cho c quy:+ Ch np t ng: T ng chuyn i t ch np th ni (FL) sang ch

np b (EQ) theo cc iu kin ci t ca ngi s dng v ngc li.+ Ch np nhn cng: chuyn i ch np ti thi im bt k tu theo

ngi s dng.+ Ch np b nhit: Khi ngn iu khin c ci t hot ng ch np

b nhit (iu khin c gn thm b gim st c quy), ngn iu khin s iukhin in p np cho c quy bin i theo nhit b mt ca c quy.

5.2.5 Hin th cc cnh boKhi xy ra mt li bt k trn h thng ngun, n LED (FAIL) mu sng v

cnh bo bng m thanh. Trn mn hnh LCD hin th cc li sau:+ Li ngn chnh lu hin th MF1 ~ MF12+ Qu in p u ra hin th DCOV1 (mc 1)+ Qu in p u ra hin th DCOV2 (mc 2)+ in p ra qu cao (59~60VDC) hin th SE (System Emergency) dngkhn cp+ Thp in p u ra hin th DCUV+ Qu dng u ra hin th OCA+ in p vo AC thp hin th ACUV+ in p vo AC cao hin th ACOV+ Mt in p vo AC hin th ACF+ Khi bt k mt NFB nhy hin th FUF+ Khi mt ngn c quy b hng hin th nB m (nB: dy c quy s n, m: bnh sm)+ Khi c quy phng n in p c th gy nguy him hin th BE (ngng inp ny th hin dung lng c quy cn li bao nhiu % tu theo ngi s dngci t)+ Nhit cao+ Khi c quy bt u phng in hin th DCH.+ Khi in p c quy xung di ngng ci t ca LVD lm cho n b ngt

hoc ngt bng tay hin th LVD.

5.2.6 a ra tn hiu gim st cnh bo li t xa+ Khi c li ngn chnh lu tip im thng kn v thng h ca Rle RECFs tc ng.+ Khi xy ra qu in p u ra tip im thng kn v thng h ca RleDCOV s tc ng.


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+ Khi xy ra thp in p u ra tip im thng kn v thng h ca RleDCUV s tc ng.+ Khi in p vo AC b li (in p AC cao hn 300V hoc thp hn 50V hoc

mt AC) tip im thng kn v thng h ca Rle ACF s tc ng.+ Khi ngn iu khin b tt hoc b hng tip im thng kn v thng hca Rle CTRLF s tc ng.

Bng 5 Cc thng s ci t mc nh:

Phn loi Phm vi iu chnh Mc nh

in p th ni FL -44.0 ~ -59.0VDC -53.5Vin p tng cng EQ -44.0 ~ -60.0VDC -53.5VCnh bo in p u vo ACcao/thp (OV/UV ALARM)

160VAC ~ 280VAC 270Vac ~ 180Vac

Ngt in p u vo AC cao/thp(OV/UV S/D) 155VAC ~ 285VAC 280Vac ~ 170Vacin p ra cao mc 1 -48.0 ~ -59.0 VDC -57.0Vin p ra cao mc 2 -56.0 ~ -59.0 VDC -59.0VNgt in p u ra DC cao -48.0 ~ -60.0 VDC -59.0Vin p ra thp -43.0 ~ -48.0VDC -48.0VGii hn dng u ra 40% ~ 110% 100%Gii hn dng np c quy ON/OFF ONGii hn dng np c quy 20A ~ 600A 60ADng np cui c quy 2A ~ 100A 10ALa chn pha in p AC 1 pha/ 3 pha 3 pha

Ch b nhit ON/OFF OFFChn ch np c quy Auto

Manual (ch FL/EQ)BTC-FL

chnh lch in p ngn c quy -0.2V ~ -0.9V -0.4VDng np c quy 50A ~ 600A 100ABo in p khn c quy -42.0V ~ -48.0V -44.0V

5.3Vn hnh ngn iu khinXem ti liu hng dn vn hnh ngn iu khin

6. Cng tc ngt r le c quy bng tay

Cng tc ngt c quy: Loi cng tc ny c kho, c t mt sau ca ngn iukhin. N cp ngun iu khin cho r le LVD.Khi cng tc ny v tr NORMAL, c quy c ni vi ngn chnh lu v hthng ( trng thi hot ng bnh thng, in p u ra ca ngn chnh lu l46VDC hoc cao hn). Trng thi hot ng bnh thng.


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Khi cng tc ngt c quy v tr OPEN, n s tch c quy ra khi ngn chnh luv h thng (Thun tin khi thay th hoc sa cha c quy).

Hnh 8. Cng tc ngt c quy

7. Vn hnh v dng h thng chnh lu

7.1Vn hnh h thng chnh lu

1) M ca ngn iu khin. Bt p t mt cp ngun AC: ACR, ACS, ACT trnngn phn phi.2) n LED mu vng trn mi ngn chnh lu s sng.3) Bt cng tc ngun ca mi ngn chnh lu.4) Bt cng tc ngun ca ngn iu khin.5) Kim tra xem tn h thng chnh lu c hin th mn hin th LCD trn

ngn iu khin c ng vi thc t.6) Kim tra n hin th trng thi STATUS LED hin th bnh thng.7.2Dng h thng chnh lu ti ch (LOCAL)


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VPRS-400

Hnh 9. ptmt u vo ca chnh lu

1) Tt cng tc ngun ca mi ngn chnh lu.2) n mu vng trn mi ngn chnh lu sng.3) Tt ptmt cp ngun AC AC R, AC S, AC T trn ngn phn phi.4) Tt cng tc ngun ca ngn iu khin.7.3Dng h thng chnh lu t xa (REMOTE)

1)S dng my tnh PC, ra lnh tt h thng chnh lu t xa.


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2)Ra lnh ON phc hi hot ng ca h thng chnh lu.

* Vn hnh t xa, ngi vn hnh c th s dng my tnh PC tt mt hoc ton

b ngn chnh lu. ( bit thm chi tit xem phn hng dn vn hnh ngniu khin).

7.4B nhit c quy (Ch BTC trong chc nng TEMPON)

Nh gii thiu trong phn hng dn lp t chnh lu, t u cm bin b nhit bn cnh gi c quy.Khi u o nhit c kt ni, v ch b nhit cho c quy (BTC) cci t, h thng chnh lu s hot ng ch b nhit cho c quy. Nu ucm bin nhit ca c quy b ly ra ngoi, TEMP OFF s c hin th. Sau hthng s quay v ch hot ng xc nh ch np th ni/tng cng(FL/EQ).

Ch np th ni FL

56.4V

52.8V

0 5 32 Temp

Vout

-10

Actual Temperature Corrected Voltage

2.20V/Cell

2.24V/Cell2.30V/Cell

2.35V/Cell

32(90) or above

25(77)15(59)

5(40) or below

Hnh 10. Ch np th ni - B nhit cho c quy

* Ch np tng cng EQ


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56.4V

52.8V

0 25 52 Tem p

Vout

-10

Actual Tem perature C orrected Voltag e

2.20V/C ell

2.24V/C ell2.30V/C ell2.35V/C ell

52(126) or ab ove

45(113)35(95)

25(77) or below

Hnh 11. Ch np tng cng - B nhit cho c quy

7.5Chn ch in p np th ni FL (TEMP OFF)Mc nh l ch np th ni t ng (AUTO FLOAT MODE)

1)Ch np th ni bng tayin p ra lun duy tr in p ci t FL (c th iu chnh t 44.0 ~59.0VDC).

2)Ch np th ni t ngCh np th ni t ng c duy tr trong khi iu kin ch t ng nptng cng (Auto-EQ) khng p ng c.

7.6Chn ch np tng cng in p raKhng np c quy vi in p qu cao trong ch np tng cng EQ. Bi v

vi in p np c quy qu cao, ngn c quy c th b np qu s dn n lmgim tui th ca c quy.

1) Ch np tng cng bng tayin p ra lun duy tr in p ci t EQ (c th iu chnh t 44.0 ~60.0VDC).

2) Ch np tng cng t ng (thi gian, chu k ...)

Khi h thng chnh lu bt u hot ng, n s hot ng trong ch nptng cng t ng 32 gi lin tc. b li phn dung lng t phng ca cquy do trong qu trnh bo qun.

Nu ch t ng np tng cng c chn AUTO EQ, np tng cngbt u c thc hin, v ch np tng cng t ng c duy tr 10 phtsau khi dng np gim xung di dng np cui ca c quy.

Trng thi np tng cng EQ c duy tr trong vng 32 gi sau khi ch nptng cng bt u.


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Nu chu k np tng cng vt qu 90 ngy, th ch np s t ng cchuyn sang ch np tng cng t ng.

* Khi ch np b nhit cho c quy c chn TEMP ON, h thng s thchin np b nhit cho c quy c ch th ni v tng cng (BTC-FL vBTC-EQ). in p u ra s thay i ph thuc vo nhit bn trong gi cquy. (in p u ra ph thuc vo s thay i nhit , xem mc 7.4 hoc xemphn hng dn vn hnh ngn iu khin bit thm chi tit).

7.7Khi ng li ngn chnh lu

7.7.1 Khi ngn chnh lu ngng hot ng do in p ra qu cao

Nu in p u ra b treo do qu p (OV), ngn chnh lu ngng hn trong vng5 giy, sau dng tay chuyn cng tc mt trc v v tr OFF (Standby), v sau chuyn cng tc ny v v tr ON khi ng li ngn chnh lu.

7.7.2 Ngn chnh lu ngng hot ng do qu nhit

Hnh 12. Khi ng li ngn chnh lu


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Nu nhit bn trong ngn chnh lu tng qu cao, ngn chnh lu s ngng hotng do mch bo v qu nhit tc ng. phc hi cho ngn chnh lu hot ngtr li, dng tay chuyn cng tc mt trc ca ngn chnh lu v v tr OFF v

sau chuyn v v tr ON.

7.7.3 Tt ngn chnh lu t xa

Nu thc hin tt ngn chnh lu t xa, u ra ca ngn chnh lu s b treo v tt ccc n Led mt trc ngn chnh lu s nhp nhy. phc hi cho ngn chnhlu hot ng tr li, thc hin lnh ON ngn chnh lu t xa bng my tnh PC.

Hnh 13. Trng thi tt ngn chnh lu

7.8Gii hn dng np c quy

Chc nng ny cho php ngi vn hnh bt hoc tt gii hn dng np c quy, mcnh l OFF. Trong trng hp , gi tr ln nht ca dng np tng ng vigii hn dng ra ca h thng chnh lu, ngha l bng gii hn dng ln nht catt c cc ngn chnh lu c lp t. (xem bng 5.)

7.9Bt tt cnh bo bng m thanh (Audible Alarm ON/OFF)

Khi cnh bo m thanh c pht ra, m thanh cnh bo s c pht ra t loa.Chc nng ny cho php s dng cng tc bt/ tt m thanh cnh bo.


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Hnh 16. Cng tc cnh bo bng m thanh

7.10 Ngun ca ngn iu khin b thp

Nu ngun ca h thng chnh lu b gim xung di 36.0V do b li ngun, ttc cc chc nng ca ngn iu khin s b treo. Tuy nhin tt c cc gi tr ci tvn c duy tr.

Cng tc Bt/Tt (ON/OFF)cnh bo


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8. Chc nng o v ci t thng s ngn iu khin

8.1Cc chc nng v ci t cc thng s ca ngn iukhin

Ngi vn hnh c th thay i gi tr cnh bo v in p hot ng ca ngn iukhin bng cch s dng cc phm chc nng (FUNTION). C th s dng h thngqun lngun PMS (Power Management System) iu khin t xa.

8.1.1 Ci t in p th ni8.1.2 Ci t in p tng cng8.1.3 Ci t cnh bo in p u vo qu cao OV8.1.4 Ci t cnh bo in p u vo qu thp UV

8.1.5 Ci t cnh bo in p u ra qu cao OV8.1.6 Ci t cnh bo in p u ra qu thp UV8.1.7 Ci t gii hn dng ti8.1.8 Ci t trng thi hot ng ca ngn chnh lu (khng ci t c txa bng my tnh)8.1.9 Ci t pha in p u vo AC (khng ci t c t xa bng mytnh)8.1.10 S dy c quy (khng ci t c t xa bng my tnh)8.1.11 Ci t mt khu mi (khng ci t c t xa bng my tnh)8.1.12 Ci t gii hn dng np c quy8.1.13 Ci t dng np cui ca c quy

8.1.14 Ci t dng np c quy8.1.15 Ci t bt tt ch np b nhit cho c quy8.1.16 Ci t ch np c quy8.1.17 Ci t in p cnh bo khn cp c quy8.1.18 Ci t in p chnh lch ngn c quy8.1.19 Xo cc cnh bo c lu trc (khng ci t c t xa bngmy tnh) Xem hng dn vn hnh ngn iu khin

8.2Chc nng o ca ngn iu khin

Ngn iu khin o, hin th tng thng s lin quan n s hot ng ca hthng ln mn hin th tinh th lng LCD v hin th cc trng thi hot ng, cccnh bo ca h thng ln ca s ng h o thng s.

8.2.1 o in p vo8.2.2 o in p ra/dng ra


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8.2.3 o dng phng/np c quy8.2.4 o dng ca tng ngn chnh lu8.2.5 Gim st cnh bo h thng chnh lu. Xem hng dn vn hnh ngn iu khin.

9. Kim tra v bo dng ngun

9.1Tng quan

Mc ch ca ti liu ny nhm cung cp cch kim tra h thng, thit lp ccbc o phc hi h thng trong thi gian ngn nht, khi h thng xy ra mt libt k. Ngoi ra, ti liu ny cho php khc phc li bt k ca h thng trong thigian ngn, a h thng tr v trng thi hot ng bnh thng. Phi chun b y linh kin d phng sn sng sa li ca cc ngn. Mc d v tr v nguyn nhn lic ch ra trong ti liu hng dn, nu phm vi sa cha khng ph hp hoc thigian sa cha ko di, cc ngn b li cn c thay th bng ngn d phng. Sau ,sa cha ngn b hng.

Ch : Ngun ny s dng in p AC, c th gy ra sc in. in p c quy cp

vo h thng nm trong phm vi an ton khi sa cha v bo dng h thng. c quysinh ra dng DC rt ln, do ngi lp t phi tho b ng h, nhn, dy chuynv nhng kim loi khc ra khi ngi.

9.2Chu k kim tra

m bo hot ng hiu qu ca h thng, i hi phi kim tra theo chu k.Chu k kim tra phi thc hin 6 thng mt ln.

1)Phi ch khng cc l thng gi b bt bi bi hoc cc vt liu khc.2)Kim tra trng thi u ni v cht ca cc dy cp.3)Kim tra nhit bn trong ca h thng c duy tr mc danh nh.4)Kim tra trng thi hot ng v trng thi cnh bo bng mt thng.5)Kim tra vng ca ngun vi nn v kim tra r nc ti v tr t ngun.

9.3Thm ngn chnh lu

m rng dung l

ng ca h thng, c th lp thm ngn chnh l

u vonhng khe cn trng.

1)Phn chia ngn chnh lu trn t ngun. Ngn chnh lu c thm vo h thng t tri qua phi tng ngn mt. (Bt

u t 1)


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VPRC-400

VPRS-400

Hnh 15: Th t lp cc ngn chnh lu2)Kim tra nu cng tc ca ngn chnh lu t Standby (trng thi ch).3)Lp thm ngn chnh lu vo khe ph hp v sit cht c nh v.4)t cng tc ca ngn chnh lu Operate (trng thi hot ng)5)Ngn iu khin s t ng t li gii hn dng ca h thng ngun.

Gii hn dng c th t t 40% ~ 110%, gii hn dng to ra nm trong di trntheo s lng ngn chnh lu c lp.

6)Ci t ngn iu khin s dng ngn chnh lu mi a vo.(Xem ti liu hng dn vn hnh ngn iu khin).

7)Kim tra li in p v dng t trn mn hin th LCD8)Nu dng tng khng tng sau khi lp thm mt ngn chnh lu mi, kim tra

nu ngn chnh lu ny c li v kim tra ci t ID ca ngn chnh lu.9)Kim tra nu ngun pht ra cnh bo hoc li bt k trn n.

10.xc nh v khc phc li

Sa cha hoc khc phc li ca ngun phi c thc hin bi cc chuyn giac kinh nghim v c kh nng hng dn an ton.


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Cc cng vic phi thc hin theo th t Nhng ngi thc hin khng c mang ng h, nhn, dy chuyn v cc

bng kim loi khc. Nu s dng dy dn khng cch in, dng ng h s (DVM) kim tra c

in p a n chng cha?

Dung lng ca c quy c th khng duy tr y hot ng cah thng

Cc mch in v bng mch phi c bo v do nh hng EMI.

10.1khc phc li

Ngun ny

c thit k ng

i s dng d dng khc phc cc li. Mn hnh tinhth lng LCD ca ngn iu khin hin th chi tit cc li.

10.2thay th Cc b phn

Nu nghi ng mt im pht sinh li, bng mch c im cn c thay th. Sthay th hoc sa cha cc mch c tin hnh ring r khng thc hin trn tonb ngun. Phm vi thay th l ngn chnh lu, mch bo v qu p, ngn phn phiv cc p t mt.

10.3Th t thay th

10.3.1 Thay th ngn chnh lu (DRM-550V)1) Khi mt ngn chnh lu b thay th s pht sinh cnh bo. Tt ngn chnh lu

trn ngn iu khin, hoc thng bo s thay i ny cho ngi qun l ngun.2) t cng tc ca ngn chnh lu v v tr tt STB.3) Vn vt c nh ngn chnh lu theo chiu ngc kim ng h. Sau rt ngn

chnh lu ra khi gi bng cch nm gi tay cm ca n ko ra.4) Kim tra nu cng tc ca ngn chnh lu mi t v tr STB. Sau y

n vo ht khe trt ca gi ngun.5) Vn vt c nh ngn chnh lu theo chiu kim ng h c nh n vo gi.6) t cng tc ca ngn chnh lu v v tr | .7) Kim tra nu ngn chnh lu hot ng bnh thng hoc c cnh bo li bt

k.

10.3.2 Thay th qut ca ngn chnh luThay th qut thc hin theo cc bc sau:

1) Khi qut trn mt ngn chnh lu cn c thay th s c cnh bo. Tt ngnchnh lu trn ngn iu khin hoc thng bo s thay i ny cho ngi qunl ngun.


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2) t cng tc ca ngn chnh lu v v tr tt STB.3) Vn vt c nh ngn chnh lu theo chiu ngc kim ng h. Sau rt ngn

chnh lu ra khi gi bng cch nm gi tay cm ca n ko ra.

4) Tho ri 4 vt mt trc ca ngn chnh lu v tho chng ra khi ngn chnhlu.

5) Tho gic cm qut v gic cm cng tc mt trc ngun ra khi ngnchnh lu.

6) Tho 4 cu gi qut mt trc.7) Tho ri qut v li che ra khi mt trc.8) Thay th qut v sau thc hin cc bc ngc li t 7) n 4). Khi lp qut

phi lp ng chiu. cp ni qut quay xung di v lp n vo.9) Kim tra nu cng tc ngn chnh lu mi thay 0 (trng thi STB), sau

y ngn chnh lu vo khe gi cho n khi vo ht.10) Vn vt c nh mt trc ngn chnh lu theo chiu kim ng h c

nh n.11) t cng tc ca ngn chnh lu | .12) Kim tra nu ngn chnh lu hot ng bnh thng hoc c li bt k trn

n.

Hnh 16: Thay th qut ca ngn chnh lu


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10.3.3 Thay th mch bo v qu p u vo

1) M ca trc t ngun.2) Dng tay gi v ko phn cn thay th SURGE PROTECTOR VAL-MS 230ST

pha trn bn tri t ngun.3) Cm b phn thay th mi vo.Ch : Ngun in vo nh hng trc tip n thit b bo v qu p khi hthng ngun s dng in. Do , ring trng hp ny thay th phi tr tin.

10.3.4 Thay th ptmt (NFB) u ra

1) Xoay vt gi trn mt ngn phn phi v nm tay nm m ca ra.

2) Gt NFB v OFF.3) Nm gi NFB, lc t trn xung di v ko n ra.4) Khi lp mi ch chiu ca NFB v kim tra NFB v tr OFF.5) Cm NFB vo ngn phn phi.6) Gt NFB v v tr ON.7) Vn cc vt theo chiu kim ng h c nh ngn phn phi.8) ng ca v vn vt theo chiu kim ng h c nh ca ngn phn phi.

Hnh 17: Chiu lp p t mt (NFB)


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BULLET Nose TYPE1 POLE 75ADC CIRCUITPROTECTOR (CARLINGSWITCH)

Hnh 18: Cc kiu p t mt (NFB)

11.Nhng ch vit tt

CDMA : Code Division Multiple Access

NFB : No Fuse BreakerC/B : Circuit BreakerS/W : SwitchRMS : Root Mean SquareLVD : LOW VOLTAGE DISCONNECTDVM Digital VoltMeter


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VPRS-400 RECTIFIER

OPERATING MANUAL

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