Saukewa: GE IS200EPCTG1A Exciter PT/CT

IS200EPCTG1A shine Exciter PT/CT Interface Board wanda General Electric (GE) ya ƙera don Tsarin Gudanar da Haɓakawa na EX2100™. Wannan allon shine daidaitaccen sigar a cikin jerin EPCT, da farko ana amfani da shi don ware da yanayin janareta mai yuwuwar Canjin Canji (PT) da siginar Transformer na yanzu (CT) kafin watsa su zuwa tsarin sarrafawa, yana ba da madaidaicin wutar lantarki na janareta da siginonin martani na yanzu don mai sarrafa wutar lantarki.

Hukumar IS200EPCTG1A tana da nau'ikan tashoshi biyu na tashoshin shigar da wutar lantarki mai kashi uku da saiti biyu na tashoshi na shigarwa na yanzu (mai goyan bayan ko dai 1 A ko 5 A matakan yanzu). Ana aika siginonin fitarwa daga duk na'urorin keɓancewa ta hanyar igiyoyi zuwa allon EMIO a cikin rakiyar sarrafawa. Bugu da ƙari, hukumar tana ba da tashar shigar da analog guda ɗaya wacce ba ta keɓance ba, mai daidaitawa azaman shigarwar wutar lantarki ± 10 V ko shigarwar 4-20 mA na yanzu, don haɗa sauran siginar filin.

A cikin tsarin kulawa na Simplex, ana aika sigina zuwa allon EMIO a cikin mai sarrafa M1 ta hanyar haɗin J305. A cikin tsarin sarrafawa mai yawa, ana rarraba sigina zuwa allon EMIO a cikin M1, M2, da masu kula da C ta hanyar haɗin kai uku J305, J308, da J315, suna samun ma'auni mai yawa.

Kwamitin IS200EPCTG1A yana tsara aminci da aminci don aikace-aikacen filin:

• Abubuwan shigar da wutar lantarki suna da kariyar fis, tare da tsayin kebul har zuwa ƙafa 1000 (#12 AWG waya).

• Abubuwan shigarwa na yanzu suna amfani da tubalan tashoshi marasa toshewa (TB2, TB3) don hana haɗari babban ƙarfin lantarki daga buɗewar CT.

• Keɓewa Masu Canja-canje suna ba da keɓancewar lantarki, tabbatar da lafiyar gefen sarrafawa.

• Wuraren gwaji suna ba da maki gwajin ƙarfin lantarki 12 (TP1-TP12) don dacewa da kwamishinonin kan layi da magance matsala.

• Warewa Canja-canje, ba da izinin maye gurbin allo mai aminci a ƙarƙashin yanayi mai ƙarfi.

Jirgin ya haɗa da na'urori masu rarraba wutar lantarki guda biyu (T1, T2), na'urori masu rarrabawa guda huɗu na yanzu (T3-T6), ɗaya mai cirewa 24-terminal voltage input block (TB1), biyu maras cirewa 4-tashar na yanzu shigar da tashar tashar (TB2, TB3), uku 25-pin Sub-D fitarwa masu haɗawa, J350, nau'in shigarwar analog guda ɗaya, J350, J350. (JP1), da maki gwaji 12. Tsarin hukumar ya haɗu da ma'auni na masana'antu kuma ya dace da aikace-aikacen ma'auni mai mahimmanci a cikin tsarin haɓaka wutar lantarki.

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II. Babban Ayyuka

Babban ayyuka na IS200EPCTG1A sun haɗa da, amma ba'a iyakance su ba, masu zuwa:

1. Generator Voltage Aunawa

Hukumar IS200EPCTG1A tana karɓar siginar wutar lantarki mai kashi uku daga yuwuwar taswirar abokin ciniki ta hanyar tashar tashar TB1. Abubuwan shigar da wutar lantarki suna 115 V rms (50/60 Hz), kuma kowace shigarwa tana da kariya ta fuse. Na'urorin keɓewa guda biyu a kan allo suna canza ƙarfin shigarwar zuwa ƙananan sigina don ma'aunin buɗaɗɗen ƙarfin lantarki na kashi uku. Don shigarwar 115 V rms, fitarwa na biyu shine 1.533 V rms. Ana aika siginar da aka auna zuwa allon EMIO ta hanyar haɗin J305, J308, da J315.

2. Generator Ma'auni na Yanzu

Hukumar IS200EPCTG1A tana karɓar sigina guda biyu na yanzu daga masu canji na yanzu ta hanyar tubalan TB2 (Phase A) da TB3 (Phase C). Kowane CT yana ba da 0-1 A rms da 0-5 A rms windings, amma ɗaya ne kawai aka haɗa da allon EPCT. Tsawon igiya zai iya kaiwa ƙafa 1000, kuma ma'aunin waya har zuwa #10 AWG. Na'urorin keɓewa na yanzu suna keɓance shigar da halin yanzu kuma suna canza shi zuwa siginonin ƙananan ƙarfin lantarki da aka aika zuwa allon EMIO ta hanyar haɗin kai.

Muhimmiyar Tsara Tsare Tsare: Tashar tasha TB2 da TB3 ba za a iya cire su ba don hana buɗaɗɗen da'irorin CT na haɗari a ƙarƙashin kaya, wanda zai haifar da haɗari mai ƙarfi.

3. Analog Input

Hukumar IS200EPCTG1A tana ba da tashar shigar da analog guda ɗaya wacce ba ta keɓe ba, ana iya daidaita ta ta jumper JP1 don nau'ikan biyu:

• Shigar da wutar lantarki: ± 10 V dc, daidaito ya fi 1% na cikakken sikelin.

• Shigarwa na yanzu: 4-20mA.

Ana iya amfani da wannan tashar shigarwa don wasu sigina na filin kamar zazzabi, matsa lamba, ko matsayi. Tsawon kebul na iya kaiwa mita 300, tare da matsakaicin juriya na igiyoyi biyu na 15 ohms. Ana rarraba siginar shigar da analog a lokaci guda ga duk masu sarrafawa guda uku ta hanyar haɗin J305, J308, da J315.

4. Ware Sigina da Rarrabawa

Duk siginar auna wutar lantarki da na yanzu an keɓe su ta hanyar lantarki ta hanyar keɓancewa, yana tabbatar da amincin gefen sarrafawa. Ana fitar da siginar keɓe ta hanyar haɗin Sub-D mai 25-pin uku (J305, J308, J315):

• J305: Haɗa zuwa allon EMIO a cikin mai sarrafa M1.

• J308: Haɗa zuwa allon EMIO a cikin mai sarrafa M2.

• J315: Haɗa zuwa allon EMIO a cikin mai sarrafa C.

A cikin tsarin simplex, J305 kawai ake amfani dashi. A cikin tsarukan da ba su da yawa, ana amfani da duk masu haɗin kai guda uku, suna ba da ƙarancin rarraba siginar aunawa.

5. Abubuwan Gwaji

Hukumar IS200EPCTG1A tana da wuraren gwaji guda 12 (TP1-TP12) waɗanda ke hannun dama na masu taswira don ƙaddamar da kan layi da magance matsala:

• TP1-TP4: PT1 siginar ƙarfin lantarki na biyu (AB, BC)

• TP5-TP8: PT2 siginar ƙarfin lantarki na biyu (AB, BC)

• TP9-TP10: CT Phase A sigina na yanzu na biyu

• TP11-TP12: CT Phase C sigina na yanzu

Ana iya auna waɗannan wuraren gwajin ta amfani da oscilloscope ko multimeter, amma ya kamata a kula da kada a kasa su ta na'urar aunawa.

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III. Aikace-aikacen Tsarin

1. Aikace-aikace a cikin EX2100 Excitation Control System

IS200EPCTG1A shine kwamiti mai mahimmanci don samun ƙarfin lantarki na janareta da sigina na yanzu a cikin Tsarin Sarrafa Haɓaka EX2100. Ayyukansa a cikin tsarin sun haɗa da:

• Feedback Voltage: Keɓancewa da yanayin siginonin wutar lantarki na janareta na matakai uku, aika su zuwa hukumar EMIO don Mai sarrafa Wutar Lantarki ta atomatik (AVR) don aiwatar da tsarin wutar lantarki da sarrafa wutar lantarki.

• Sake mayar da martani na yanzu: Ya ware siginonin janareta na yanzu (yawanci matakan A da C) kuma yana aika su zuwa tsarin sarrafawa don iyakance filin yanzu, saka idanu, da kariya.

• Analog Input: Yana ba da tashar shigar da analog gabaɗaya don sauran siginonin tsari masu alaƙa da tsarin tashin hankali, kamar zazzabi, matsa lamba, ko matsayi.

• Rarraba Siginar Rarraba: A cikin tsarin da ba a sake amfani da su ba, lokaci guda yana rarraba siginar aunawa zuwa masu sarrafawa guda uku (M1, M2, C), yana tabbatar da siginar auna mara yankewa koda mai sarrafawa ɗaya ya gaza.

2. Yanayin Aikace-aikace na al'ada

• Ƙarfin wutar lantarki da aunawa na yanzu don tsarin haɓaka janareta na aiki tare

• Bayanin don Masu Gudanar da Wutar Lantarki ta atomatik (AVR) a cikin injin injin tururi

• Ikon tashin hankali ga masu samar da injin turbine

• Tsarin motsa jiki don injin turbin gas

• Ikon tashin hankali don injinan aiki tare na masana'antu

  
  

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IV. Cikakken Bayanin Interface

1. TB1 Terminal Block (Input Voltage)

TB1 toshe ne mai cirewa mai lamba 24 don haɗa saiti biyu na siginar wutar lantarki mai hawa uku da shigarwar analog ɗaya. Ayyuka na ƙarshe sune kamar haka:

2. TB2 da TB3 Tubalan Tasha (Abubuwan Shiga na Yanzu)

TB2 (Phase A) da TB3 (Phase C) su ne tubalan 4-tashar da ba za a iya cirewa ba don hana CT bude da'irori:

Lura: Ɗaya daga cikin 1 A ko 5 A windings na kowane CT ya kamata a haɗa shi zuwa allon EPCT; sauran iskar da aka bar ba amfani.

3. J305, J308, J315 Masu Haɗi

Masu haɗin Sub-D mai 25-pin uku suna watsa siginar aunawa zuwa allon EMIO. Ayyukan fil don J305 (zuwa M1) azaman misali:

4. Abubuwan Gwaji

5. Jumper JP1

Matsayin Jumper	Bayanin
V	± 10V dc ƙarfin lantarki shigar
MA	4-20mA halin yanzu shigarwa

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V. Shigarwa da Sauyawa

1. Wuri Mai hawa

An ɗora allon IS200EPCTG1A a cikin ma'ajin taimako na EX2100 exciter, an amintar da faranti mai hawa tare da sukurori uku. Ya kamata a kasance a wurin allon don sauƙaƙe wayoyi da samun damar kulawa, tabbatar da nisa zuwa PTs da CTs bai wuce ƙayyadaddun iyaka ba.

2. Tsarin Sauya Wurin Layi (Tsarin Ƙarfafawa)

Gargadin Tsaro:

• GARGAƊI: Don hana girgiza wutar lantarki, kashe wutar lantarki zuwa tsarin motsa jiki kuma bi cikakkun hanyoyin kawar da kuzari da aka zayyana a cikin Jagorar Mai amfani (GEH-6631). Bi duk ayyukan Kullewa/Tag-out na gida.

• HANKALI: Don hana lalacewar ɓangarori da ke haifar da tsayayyen wutar lantarki, bi da duk alluna tare da dabarun kulawa a tsaye. Saka madauri mai ƙasa da hannu da kuma adana alluna a cikin jakunkuna marasa ƙarfi.

• GARGAƊI NA MUSAMMAN: Kafin cire haɗin wayar CT, dole ne a fara buɗe maɓallan keɓewar CT. Rashin yin hakan zai haifar da matsanancin ƙarfin lantarki mai haɗari saboda buɗaɗɗen kewayawar CT.

Matakan Maye gurbin:

1. Tabbatar da Kashe Wuta: Tabbatar cewa tsarin motsa jiki ya daina samun kuzari gaba ɗaya. Gwada kewayawa kafin buɗe ƙofar hukuma mai sarrafawa.

2. Buɗe Maɓallin Keɓewa: Buɗe PT da CT keɓance maɓalli. Gwada da'irorin PT da CT don tabbatar da wutar lantarki sifili.

3. Takaddun igiyoyi: Tabbatar cewa duk igiyoyin suna da lakabi daidai daidai da alamomin kan allo don sake haɗawa cikin sauƙi.

4. Cire haɗin igiyoyi:

• Sake sukurori guda biyu da ke tabbatar da TB1 kuma cire shingen tashar TB1 (barin wayoyi na waje a haɗe).

• Cire haɗin waya daga TB2 da TB3.

• Cire masu haɗawa J305, J308, da J315.

5. Cire Tsohuwar allo: Cire sukurori uku da ke riƙe da allon EPCT kuma fitar da tsohuwar allo.

6. Duba Sabuwar Hukumar: Tabbatar da cewa saitin jumper na JP1 akan sabon allon ya dace da ainihin allo.

7. Shigar Sabon allo: Gabatar da sabon allo a wuri ɗaya da wanda aka cire, daidaita tare da ramukan hawa, kuma amintaccen tare da sukurori uku.

8. Sake haɗa igiyoyi:

• Sake shigar da toshe tashar tashar TB1 kuma ta ƙara ƙarar sukurori.

• Sake haɗa wayoyi zuwa TB2 da TB3.

• Sake haɗa masu haɗawa J305, J308, da J315.

9. Dawo da Wuta: Rufe maɓallan keɓewar PT da CT. Rufe ƙofar majalisar, mayar da wutar lantarki ga tsarin zumudi da bin matakai, da gwajin aiki.

3. Tsarin Sauya Kan layi (Gudun Tsari)

Za a iya maye gurbin allon EPCT da ya gaza yayin da tsarin motsa jiki ke gudana, in dai tsarin yana aiki a cikin yanayin sarrafa hannu.

Gargadi na Haɗari: Yayin sauyawa akan layi, masu sarrafawa, samar da wutar lantarki, da allunan tasha suna kasancewa cikin kuzari da aiki. Dole ne a yi taka tsantsan don guje wa taɓa wasu sassa masu rai ko haifar da gajeriyar kewayawa. DOLE ne a canza mai motsi zuwa yanayin mai sarrafa kayan hannu kafin farawa.

Matakan Maye gurbin:

1. Canja zuwa Yanayin Manual: Canja tsarin motsa jiki zuwa yanayin mai sarrafa hannu ta faifan maɓalli.

2. Buɗe Maɓallin Warewa: Buɗe ƙofar hukuma mai sarrafawa. Bude PT da CT keɓewar maɓalli.

3. Tabbatar da Ƙarfafawa: Gwada da'irorin PT da CT don tabbatar da wutar lantarki sifili.

4. Cire haɗin igiyoyi: Daidai da tsarin layi.

5. Cire Old Board: Cire sukurori biyu da ke riƙe da allon EPCT (bayanin kula: takaddar ta ƙididdige sukurori biyu a nan, waɗanda za su iya bambanta da ukun a cikin hanyar layi; koma zuwa ƙayyadaddun saiti na rukunin yanar gizo) kuma fitar da tsohon allo.

6. Sanya Sabon allo: Daidai da tsarin layi.

7. Sake haɗa igiyoyi: Daidai da tsarin layi.

8. Rufe Maɓallin Keɓewa: Rufe PT da CT keɓance maɓallan. Tabbatar da alamun shigarwa suna nan ta amfani da wuraren gwaji.

9. Komawa Yanayin atomatik: Rufe ƙofar majalisar. Canja tsarin motsa jiki baya zuwa yanayin daidaitawa ta atomatik ta faifan maɓalli.