GE IS200SCNVG1A SCR-Diode Converter Interface Board

IS200SCNVG1A shine SCR-Diode Converter Interface Board wanda General Electric (GE) ya tsara don Innovation Series™ SCR-Diode Converters. Wannan allon shine daidaitaccen sigar a cikin jerin SCNV, da farko ana amfani dashi don tushen bugun bugun jini 6 a cikin 1800 amp da 1000 amp na tsaye kadai. Kowane allo yana tafiyar da SCRs guda uku (66 mm ko ƙarami). Ba a yi amfani da wannan allo don tuƙi masu daidaitattun SCRs daga allo ɗaya.

Hukumar IS200SCNVG1A tana tsakanin rakiyar sarrafawa da gadar wutar lantarki, tana aiki azaman sigina mai mahimmanci da matakin direba. Yana karɓar siginar sarrafawa daga IS200BIC Bridge Interface Board, keɓewa da haɓaka su, kuma yana sarrafa SCRs da zaɓin Dynamic Braking (DB) IGBT. Hukumar ta haɗu da da'irori daban-daban na amsawa, gami da shigar da ji na yanzu, ra'ayin wutar lantarki na layi-zuwa-layi, amsawar wutar lantarki ta hanyar haɗin yanar gizo, da kuma DB IGBT VCE amsa, yana ba da cikakkiyar bayanin matsayin aiki ga tsarin sarrafawa.

Mabuɗin fasali na IS200SCNVG1A sun haɗa da:

• 6-Pulse Drive: Ya dace da masu juyawa SCR-diode 6-pulse, tuƙi SCRs uku a kowane allo.

• Ra'ayoyin Maɗaukaki: Yana ba da fahimtar shigar da matakai uku na halin yanzu, ra'ayoyin wutar lantarki na layi-zuwa-layi, ra'ayoyin wutar lantarki na haɗin DC, da kuma DB IGBT VCE amsa.

• Taimakon Taimakon Birki Mai Sauƙi: Zaɓin DB IGBT ƙofa na kewayawa da gano kuskuren zafin jiki.

• Warewa Wutar Lantarki: Direba da da'irori masu amsa suna amfani da galvanic da keɓewar gani don aminci.

• Ƙofar Kunna Ƙofar: DRVP5 da siginar NDRPC suna sarrafa kunna ko kashewa.

• Ƙwaƙwalwar ajiyar ID na Kanboard: Serial karanta-kawai ƙwaƙwalwar ajiyar tana adana bayanan allo da bita.

• Ƙarfafa Samar da Wutar Lantarki da yawa: Ana samar da wadatattun wutar lantarki guda tara daga shigarwar 18.4V ac ta hanyar tasfofi na kan jirgi.

• Babu Abubuwan Daidaita Mai Amfani: Hukumar ba ta da alamun LED, fis, maki gwajin mai amfani, ko kayan aikin daidaitacce.

Jirgin yana hawa a cikin Ramin 6 na Innovation Series rak kuma yana haɗi zuwa IS200CABP Control Assembly Backplane ta hanyar haɗin P1. Yana da abubuwan haɗin toshe guda shida don yin hulɗa tare da direbobin ƙofar, hanyar haɗin DC, da shunts na yanzu.

Muhimmin Gargaɗi na Tsaro: Hukumar tana da maki huɗu na gwaji (TP1-TP4) don amfanin gwajin injiniya kawai. Dole ne masu amfani kada su shiga waɗannan wuraren gwajin! Babban ƙarfin lantarki (575 V ac ko 900 V dc) yana nan akan waɗannan wuraren gwaji.

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II. Babban Ayyuka

Babban ayyuka na IS200SCNVG1A sun haɗa da, amma ba'a iyakance su ba, masu zuwa:

1. Direbobin Ƙofar SCR

Hukumar IS200SCNVG1A tana ba da da'irori daban-daban na SCR gate drive da'irori don matakan A, B, da C. Kowane da'irar yana amfani da nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan DB amma a cikin wani tsari daban-daban. Da'irar direban ƙofar SCR yana canzawa tsakanin VCC (22V) da VEE (0V) don isar da kofa na yanzu. Ba a sami rahoton laifin direban ƙofar SCR akan wannan allo ba.

2. Dynamic Braking (DB) Direban Ƙofar IGBT

Ana amfani da da'irar tuƙi na zaɓi na DB IGBT don birki mai ƙarfi. Da'irar ta ƙunshi keɓaɓɓen keɓantaccen tsarin direban ƙofar gate da ƴan abubuwan da suka dace. Module ɗin yana jujjuya wutar lantarki ta IGBT kofa-zuwa-emitter tsakanin VCC (+15 V) da VEE (-7.5 V).

Ana iya haifar da kurakurai iri biyu ta wannan kewaye:

• Laifin Desaturation: An ƙirƙira lokacin da aka umurci IGBT don kunna kuma VCE ta wuce 10 V na 4 micro seconds ko ya fi tsayi. Lokacin da kuskure ya faru, tsarin zai rage VGE a hankali har sai IGBT ya KASHE (rufe mai laushi).

• Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙwarar Direba: An ƙirƙira lokacin da ƙarfin lantarki tsakanin VCC da VEE ya faɗi ƙasa da 16 V.

Waɗannan kurakuran ana ORed tare kuma an haɗa su ta hanyar gani zuwa dabaru na sarrafawa. Waɗannan kurakuran na ɗan lokaci ne kuma dole ne a kulle su ta hanyar kula da kurakuran ta hanyar P1 (ana yin wannan akan allon BIC).

3. Ƙofar kunna Control

Ana amfani da siginar DRVP5 da NDRPC daga hukumar BIC don musaki / kunna gating. DRVP5 yakamata ya zama babba (+5 V) kuma NDRPC yakamata yayi ƙasa (DCOM) don kunna gating. Ana kashe motar kofa lokacin da DRVP5 yayi ƙasa ko NDPRC yayi girma.

4. Shunt na yanzu Feedback

Ana sa ido kan lokacin fitarwa ta hanyar samun siginar fitarwar Oscillator (VCO). Ana haɓaka wannan ƙarfin lantarki sannan a wuce shi zuwa kewayen VCO. VCO tana da kewayon 0-2 MHz, kuma da'irar tana nuna son kai ta yadda a sifili a halin yanzu fitarwar ƙima shine 1 MHz. A ± 400 mV shunt ƙarfin lantarki yana canzawa zuwa ± 800 kHz canji a cikin mitar fitarwa na VCO. Fitowar VCO tana haɗe da ƙayyadaddun ƙayyadaddun ƙirar direba zuwa dabarun sarrafawa.

5. Layi-zuwa-Layi Voltage Feedback

Hukumar tana ba da keɓancewar layin-zuwa-layi ƙarfin lantarki martani da'irori don VAB da VBC. Ana kula da wutar lantarki ta layin-zuwa-layi ta hanyar samun siginar VCO guda biyu, VAB da VBC, daga haɗin haɗin shunt na lokacin shigarwa. Waɗannan da'irori suna raba kayan wuta da na'urori masu motsi na agogo tare da da'irorin amsawa na lokaci B da C. VCOs suna da kewayon 0-2 MHz, kuma da'irar tana karkata ne ta yadda wutar lantarkin sifili-zuwa-layi ke samar da fitowar ƙima na 976.8 kHz. Canjin ± 1 V a cikin ƙarfin lantarki-zuwa-layi yana fassara zuwa ± 959.58 Hz canji a mitar fitarwa. Abubuwan da aka fitar na VCOs an haɗa su da ma'anar sarrafawa. Na'urori masu amsa wutar lantarki na layi-zuwa-layi suna da matatar shigarwa tare da mitar hutu na 17.46 kHz.

6. DC Link Voltage Feedback

Hukumar tana ba da keɓantaccen mahaɗin wutar lantarki na DC guda ɗaya. Wannan da'irar tana raba wutar lantarki tare da DB IGBT VCE da'irar ra'ayi kuma ana isar da ita zuwa hanyar haɗin DC mara kyau (daidai da DB IGBT emitter). Ana ciyar da ingantacciyar shigar da hanyar haɗin DC zuwa da'irar VCO ta hanyar attenuator mai tsayayya. VCO tana da kewayon fitarwa na 0-2 MHz. An daidaita shigarwar ta yadda 0-1197.5 V mahaɗin volts yayi daidai da 0-2 MHz. Fitowar VCO tana haɗe ta hanyar gani zuwa dabaru na sarrafawa. Da'irar amsawar wutar lantarki ta hanyar haɗin DC tana da matatar shigarwa tare da mitar hutu na 10.03 kHz.

7. DB IGBT VCE Feedback

Idan an sanye shi da zaɓi na DB, hukumar tana ba da keɓantaccen da'irar amsawar DB IGBT VCE. Yana raba wutar lantarki tare da da'irar amsawar wutar lantarki ta hanyar haɗin DC kuma ana nusar da shi zuwa DB IGBT emitter (daidai da hanyar haɗin DC mara kyau). Ana ciyar da shigarwar mai tarawa na DB IGBT zuwa da'irar VCO ta hanyar attenuator mai tsayayya. VCO tana da kewayon fitarwa na 0-2 MHz. An daidaita shigarwar ta yadda 0-1197.5 V yayi daidai da 0-2 MHz. Fitowar VCO tana haɗe ta hanyar gani zuwa dabaru na sarrafawa. Wannan kewaye tana da matatar shigarwa tare da mitar hutu na 10.03 kHz.

8. DB Gane Laifin Zazzabi

Idan an sanye shi da zaɓi na DB, hukumar tana ba da da'irar gano kuskuren zafin jiki na DB. Ana amfani da keɓewar 15 V (P15T) azaman wutar lantarki. Ana amfani da siginar DBTF don bayyana kurakuran zafin DB ga hukumar BIC. A ƙarƙashin yanayi na al'ada (babu aibi), ana rufe tuntuɓar ma'aunin zafi da sanyio, kuma 12 mA yana gudana cikin optocoupler, yana sa DBTF ya zama ƙasa. Lokacin da kuskure ya faru (DB heatsink temp ≥ thermostat ƙofa), lambar sadarwar thermostat tana buɗewa, kuma babu shigar da halin yanzu da ke gudana cikin optocoupler, yana haifar da DBTF ya zama babba.

9. Samar da Wutar Lantarki

Hukumar tana karɓar +5 V dc da aka tsara ikon (P5) da DCOM, da 18.4V ac, shigarwar murabba'in 25 kHz (VAC1 da VAC2) ta hanyar haɗin P1 daga jirgin baya. An keɓance kayan wutar lantarki guda tara daga na biyu na taransfoma:

10. Ƙwaƙwalwar ajiyar ID na Kanboard

Kwamitin IS200SCNVG1A yana fasalta na'urar ƙwaƙwalwar ajiya kawai mai karantawa wanda aka riga aka tsara tare da tantance allo da bayanin bita. Ana samun damar wannan bayanin ta hanyar layin bayanan BRDID akan mahaɗin P1, yana sauƙaƙe nau'in allo ta atomatik da tantancewa ta tsarin.

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III. Aikace-aikacen Tsarin

1. Aikace-aikace a cikin Innovation Series SCR-Diode Converters

IS200SCNVG1A shine kwamiti mai mahimmanci mai haɗawa da sarrafawa da da'irori mai ƙarfi a cikin Innovation Series SCR-Diode Converters. Ayyukansa a cikin tsarin sun haɗa da:

• Tuƙi Ƙofar SCR: Ware da haɓaka siginonin sarrafa ƙofa daga hukumar BIC don fitar da SCRs mai matakai uku.

• Sarrafa birki mai ƙarfi: DB IGBT na zaɓi don watsar da makamashi mai sabuntawa.

• Martanin Matsayi: Yana ba da cikakkiyar bayanin matsayin aiki (na yanzu, ƙarfin lantarki, VCE, zazzabi) zuwa tsarin sarrafawa ta hanyoyin da'irori da yawa.

• Kariyar Kuskure: Gano DB IGBT desaturation, samar da ƙarancin wutar lantarki, da kurakuran zafin jiki, yana ba da rahoton su da sauri zuwa tsarin sarrafawa.

2. Yanayin Aikace-aikace na al'ada

• Masu Gyaran Ƙarfin Ƙarfin Ƙarfi: Ana amfani da shi a cikin masana'antu mai girma na wutar lantarki.

• Motoci Masu Sauƙaƙe na AC: Yana aiki azaman ƙirar sarrafawa a cikin masu juyawa 6-pulse SCR.

• Direbobin Motoci na DC: Ana amfani da su don sarrafa saurin injin DC.

• Tsare-tsaren Makamashi Mai Sabunta: Ana amfani da su a cikin masu canzawa don ƙarfin iska da haɓakar hotovoltaic.

• Tsare-tsaren Gogayya na Rail Transit: Yana sarrafa SCRs a cikin masu juyawa.

  
  

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IV. Cikakken Bayanin Interface

1. SAPL Connector (Phase A Shunt)

2. SBPL Connector (Phase B Shunt)

3. SCPL Connector (Phase C Shunt)

4. SPL Connector (SCR Gate Drive)

5. Mai Haɗin DPL ( DB Gate Drive, Na zaɓi)

6. DCPL Connector (DC Link Voltage, ba a amfani da shi idan babu DB zaɓi)

7. P1 Bayanin Siginar Siginar Maɓalli na

Haɗin	Baya
VAC1/VAC2	18.4V ac, 25kHz murabba'in shigar da wutar lantarki
P5	+ 5V dc tushen wutar lantarki
DCOM	+ 5V dc dawo da wutar lantarki (na kowa)
DRVP5	Ƙofar Ƙofar (mai aiki mai girma)
Farashin NDRPC	Ƙofar Ƙofar (ƙananan aiki)
NVDC	Ra'ayin wutar lantarki na haɗin DC
NVDBCE	Ra'ayin VCE mai ƙarfi na birki
Farashin DBF	Laifin birki mai ƙarfi
Farashin DBTF	Laifin zafin birki mai ƙarfi
NAD	Mataki na A SCR tuƙi
NBD	Matakin B SCR tuƙin ƙofar
NCD	Matakin C SCR tuƙin ƙofar
NASFB	Mataki na A shunt feedback (na yanzu)
NBSFB	Matakin B shunt feedback (na yanzu)
Farashin NCSFB	Matakin C shunt feedback (na yanzu)
NVAB	Ra'ayin wutar lantarki na layi-zuwa-layi VAB
NVBC	Ra'ayin wutar lantarki na layi-zuwa-layi VBC
BRD_ID	Layin tantance allon allo
I24/I24_COM	keɓe tushen wutar lantarki 24V dc (don abokin ciniki relays)

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V. Shigarwa da Sauyawa

1. Wuri Mai hawa

Kwamitin IS200SCNVG1A yana sakawa cikin Ramin 6 na Innovation Series rak kuma ya haɗa zuwa mai haɗin J15 na CABP na baya ta hanyar P1.

2. Tsarin Sauyawa

Gargadin Tsaro:

• GARGAƊI: Don hana girgiza wutar lantarki, kashe wutar lantarki zuwa tsarin tuƙi kuma bi duk hanyoyin Kulle-Fita/Tag-Out na gida.

• HANKALI: Yi amfani da kayan gwajin aminci waɗanda aka ƙera don manyan ƙarfin lantarki don tabbatar da cewa an daina samun kuzari kafin a taɓa.

• GARGADI: Babban ƙarfin lantarki (575 V ac ko 900 V dc) yana nan akan wannan allo. Ana buƙatar yin taka tsantsan.

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

Matakan Cire:

1. Tabbatar da Kashe Wuta: Tabbatar cewa tsarin tuƙi ya daina samun kuzari gaba ɗaya.

2. Bude Ƙofar Majalisa: Buɗe ƙofar majalisar tuƙi. Yi amfani da kayan gwaji mai ƙarfi don tabbatar da an daina samun kuzari.

3. Cire Tsohuwar allo:

• Sake sukurori a sama da kasa na allon kusa da shafukan masu fitar da su (skru suna kama, kar a cire).

• Cire allon allon ta ɗaga shafuka masu fitarwa.

• A hankali cire allo a hankali daga cikin tarkace ta amfani da hannaye biyu.

Shigar Sabuwar Hukumar:

1. Saka allo: Zamar da sabon allo zuwa daidai ramin (ramuka 6) tare da jagororin.

2. Wurin zama: Yin amfani da manyan yatsan hannu, danna sama da kasa na hukumar lokaci guda don fara zama.

3. Tweet Screws: A madadin haka, ƙara ƙara sama da ƙasa daidai gwargwado don tabbatar da cewa allon ya zauna daidai.

4. Mayar da Wuta: Rufe ƙofar majalisar kuma mayar da wutar lantarki ga tsarin.

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