Saukewa: GE DS200DCFBG2B

DS200DCFBG2B kwamiti ne na samar da wutar lantarki da yawa wanda General Electric (GE) Tsarin Kula da Masana'antu ya tsara don DC2000, CB2000, EX2000, FC2000, GF2000, ME2000, da AC2000 IGBT tsarin tuƙi. Wannan kwamiti na cikin jerin Kwamitin Samar da Wutar Lantarki na DCFB (DC2000 Power Supply Board), yanki ne na rukunin G1, kuma yana wakiltar matakin bita na B, wanda ya ƙunshi haɓaka aiki da ingantaccen ingantaccen dogaro akan bita na G1A.

Kwamitin samar da wutar lantarki na DCFB shine babban sashi na tsarin sarrafa tuƙi. Yana karɓar shigarwar 38 V da 115 V ac (ko shigarwar 24 V dc) daga mai sarrafa wutar lantarki (CPT) kuma yana ba da ƙarfi, ingantaccen matakin sarrafawa zuwa tsarin tuƙi, da kuma ikon 115 V ac (ba a zartar da wasu samfuran) ga magoya bayan yawo. Wannan kwamiti yana haɗa ayyuka da yawa, gami da canjin wutar lantarki, kwandishan sigina, ƙarfin lantarki / sarrafa amsawa na yanzu, sarrafa harbin SCR, da saka idanu na layin AC, yana mai da shi muhimmin sashi don cimma daidaiton sarrafawa da ingantaccen kariya a cikin tsarin tuki.

Ana amfani da wannan samfurin sosai a cikin tsarin tuƙi na DC, tsarin motsa jiki, tsarin sarrafa mitar mitar, da aikace-aikacen sarrafa tsarin masana'antu daban-daban, musamman a cikin mahallin da ke buƙatar ingantaccen bayani na halin yanzu / ƙarfin lantarki da ingantaccen ingantaccen sarrafa wutar lantarki.

II. Maɓallin Ayyuka

1. Ƙwararren Ƙwararrun Ƙwararrun Ƙwararrun Ƙwararru

Kwamitin samar da wutar lantarki na DS200DCFBG2B yana canza shigarwar 38 V ac (± 10%) ko shigarwar 24 V dc zuwa madaidaicin abubuwan DC masu yawa:

• + 5 V dc, 4 A: Yana ba da babban ikon aiki don babban allon sarrafawa (SDCC/LDCC).

• ± 15 V dc, 0.8 A kowanne: Yana ba da wutar lantarki da'irori na analog da da'irori na sigina, tare da 0.25 A akwai don lodi na waje.

• ± 24 V dc: An ƙididdige fitowar + 24 V dc a 3 A, kuma -24 V dc fitarwa ana ƙididdige shi a 1 A, ana amfani da shi don tuki da kuma lodi na waje.

Ana kiyaye duk abubuwan samar da wutar lantarki tare da kariyar wuce gona da iri, kuma ana nuna matsayin fiusi ta LEDs.

2. Ƙarfin wutar lantarki da Gudanar da Feedback na Yanzu

Kwamitin DS200DCFBG2B yana haɗa nau'ikan oscillator masu sarrafa wutar lantarki da yawa (VCO) waɗanda ke canza siginar analog zuwa siginar mitar don sarrafawa ta babban kwamiti na SDCC/LDCC:

• Ra'ayin Voltage na Layin AC: Yana sa ido kan girma da jerin lokaci na ƙarfin shigarwar AC mai kashi uku.

• Feedback Voltage na Gadar DC: Yana saka idanu kan ƙarfin fitarwa na DC na gadar SCR.

• Feedback na Voltage Mota: Yana sa ido kan ainihin ƙarfin lantarki a tashoshin motar.

• Ra'ayin Armature na yanzu: Yana sa ido kan armature na yanzu ta hanyar shunts, yana tallafawa tashoshi masu zaman kansu guda biyu.

• Jawabin Filin Yanzu: Yana lura da filin motsi na yanzu, yana tallafawa tashoshi masu zaman kansu guda biyu.

Waɗannan na'urori na VCO suna canza ƙarfin shigarwa zuwa siginar mitar da ke jere daga 0 zuwa 500 kHz (na ƙima 250 kHz), waɗanda aka aika zuwa babban allon sarrafawa ta hanyar haɗin 1PL don sarrafa madauki da ayyukan kariya.

3. AC Line Monitoring da Aiki tare

Allon yana ƙunshe da da'irorin ƙararrawa waɗanda ke sarrafa siginar wutar lantarki ta layin-zuwa-layi. Ana aika waɗannan sigina zuwa allon SDCC/LDCC ta hanyar haɗin 1PL don:

• Gano gazawar gadar wutar lantarki SCR.

• Samar da siginonin aiki tare don harbin SCR.

• Gano asarar lokaci da kurakuran jerin lokaci.

Ana amfani da maɓallan DIP SW1, SW2, da SW3 don saita kewayon ƙarfin shigarwa don ɗaukar tsarin tuƙi tare da matakan ƙarfin lantarki daban-daban.

4. Layin AC na yanzu Transformer Interface

A wasu aikace-aikace, layukan shigar AC na tuƙi L1 da L3 suna sanye da kayan aikin wuta na AC na yanzu (ACCTs). Kwamitin DS200DCFBG2B yana amfani da sauyawa SW7 don zaɓar juriya na nauyi dangane da ƙimar halin yanzu. Ana amfani da siginar ACCT don:

• Gano gazawar motsi.

• Kariyar AC nan take overcurrent (IOC).

• Sa ido kan martani na yanzu.

5. Matsalolin Driver Contactor

Kwamitin DS200DCFBG2B ya haɗa da gudun ba da sanda K2, wanda ke aiki azaman gudun ba da sanda na matukin jirgi don mai tuntuɓar MD. Kwamitin SDCC/LDCC yana tafiyar da coil na wannan relay ta hanyar haɗin 1PL, kuma mai haɗin MACPL yana ba da fitarwa na 24 V dc FET don tuƙi mai tuntuɓar MD.

6. SCR Fitar Da'irori

Hukumar DS200DCFBG2B tana ƙunshe da da'irar tsararrun ƙofar da ke sarrafa harbe-harbe na SCRs a cikin gada bisa ga siginar sarrafawa da aka karɓa daga hukumar SDCC/LDCC ta hanyar haɗin 1PL. Ana tsara tsararrun ƙofa a ƙarfin wuta ta hanyar serial PROM. Abubuwan da aka fitar na 5V na array ɗin kofa ana jujjuya su ta hanyar da'irar ƙarar bugun bugun ƙofa zuwa matakin ƙarfin da ake buƙata don fitar da gaba da juyar da masu canjin ƙofar ƙofar akan katin Haɗin Wuta na DS200PCCA ta hanyar haɗin 5PL.

Don hana siginar harbe-harbe, ana cire ikon harbe-harbe daga da'irorin gating har sai an tsara tsararrun ƙofar kuma ikon 5V yana cikin tsari.

7. Wutar Lantarki na Motoci

Kwamitin DS200DCFBG2B ya haɗa da da'irar rage ƙarfin wutar lantarki wanda ke ba da wakilcin analog na ƙarfin lantarki. Ana aika wannan siginar zuwa allon SDCC/LDCC ta hanyar fil 6 na mai haɗin 1PL. Da'irar attenuation yana da ban sha'awa a 2.5 V kuma yana iya bambanta daga 0 zuwa 5 V dangane da ƙarfin lantarki. Ana amfani da maɓalli na DIP SW6 don auna ma'aunin ƙarfin wutar lantarki.

8. Kulawa da Kariya Matsayin Samar da Wutar Lantarki

Hukumar DS200DCFBG2B tana ba da siginar /PSEN (2PL-1). Lokacin da wadatar +5 V ke cikin ƙa'ida, wannan siginar yana a ƙaramin matakin TTL. Idan wadatar +5 V ta fita daga ƙa'ida, siginar yana ƙaruwa, yana haifar da sake saitin microprocessor akan babban allon sarrafawa (SDCC/LDCC).

III. Hardware Architecture

1. Tsarin allo

Kwamitin DS200DCFBG2B yana amfani da daidaitaccen tsarin hukumar da'ira da aka buga tare da ma'auni masu dacewa da mai ɗaukar jirgi na tsarin tuƙi na DC2000. Hukumar ta hada da:

• 12 masu tsalle-tsalle masu daidaitawa (13 don BKC da bita daga baya)

• 7 masu sauya DIP

• 2 LED Manuniya

• 1 Neon fitila mai nuna alama

• 5 wuraren gwaji

• 3 fussu

• 18 masu haɗawa

• 9 masu haɗa wuka

2. Power Input da Fitarwa

• Shigarwa: 38V ac (± 10%) ko 24V dc.

• Abubuwan da aka samu: +5 V dc (4 A), ± 15 V dc (0.8 A kowace), +24 V dc (3 A), -24 V dc (1 A), 115 V ac (kare ta 1/2 A fuse).

3. Kariya da Manuniya

• Fuse FU1: Yana kare fitowar 115 V ac, 1/2 A, 2AG mai saurin aiwatarwa.

• Fuse FU2: Yana Kare kayan +24 V, +15 V, da +5 V, 7 A, 2AG mai saurin aiwatarwa.

• Fuse FU3: Kare kayan -24 V da -15 V, 7 A, 2AG mai saurin aiwatarwa.

• LED CR51: Yana nuna FU2 an busa (ja).

• LED CR55: Yana nuna FU3 an busa (ja).

• Neon Lamp LT1: Yana nuna FU1 an busa.

4. Abubuwan gwaji

IV. Cikakken Bayanin Interface

1. Power and Control Interface (2PL)

Mai haɗin 2PL yana ba da wutar lantarki da haɗin siginar sarrafawa tsakanin hukumar DCFB da NTB / 3TB, STBA, SLCC, da allon SDCC / LDCC:

2. Main Control Interface (1PL)

Mai haɗin 1PL shine babban hanyar sadarwa ta farko tsakanin hukumar DCFB da babban kwamiti na SDCC/LDCC, watsa siginar mitar VCO, siginar sarrafawa, da amsa matsayi:

3. SCR Firing Interface (5PL)

Mai haɗin 5PL yana aika sigina na harbe-harbe na SCR zuwa Katin Haɗin Wuta na DS200PCCA:

4. AC na yanzu Transformer Interface (1CPL)

Mai haɗin 1CPL yana haɗawa zuwa masu canza canjin AC na yanzu akan matakan L1 da L3:

5. Sadarwar Sadarwar Sadarwa (MACPL)

Mai haɗin MACPL yana ba da abubuwan fitar da masu tuntuɓar MD:

6. Wuraren Wuta

Ana amfani da tashoshi don haɗa sigina masu ƙarfi:

V. Kanfigareshan da Saituna

1. Jumper (JP) Kanfigareshan

Ana amfani da tsalle-tsalle akan allon DS200DCFBG2B don saita hanyoyin shigar da siginar, zaɓin kewayawa na VCO, da rage sigina. Bayanin maɓalli na jumper sun haɗa da:

2. DIP Canjawa (SW) Kanfigareshan

Ana amfani da maɓalli na DIP don saita kewayon ƙarfin lantarki da nauyin masu canji na yanzu:

Muhimmiyar Bayani: Saitunan masana'anta don duk masu tsalle-tsalle da masu sauya DIP an rubuta su akan takardar bayanan gwajin da aka kawo tare da kowane mai sarrafawa. Lokacin maye gurbin allon DCFB, duk masu tsalle-tsalle da masu sauyawa akan sabon allo dole ne a saita su zuwa wurare iri ɗaya kamar yadda ake maye gurbin allo.

VI. Shigarwa da Kulawa

1. Wuri Mai hawa

Al'adar DS200DCFBG2B yawanci ana ɗora shi a cikin mai ɗaukar jirgi a bayan katin sarrafa tuƙi (SDCC/LDCC), yana fuskantar gaba (don wasu aikace-aikacen EX2000, yana iya kasancewa a wani wuri daban).

2. Tsarin Sauyawa

1. Kashe Wuta: Kashe duk wutar lantarki zuwa abin tuƙi, sannan jira mintuna kaɗan don duk masu ƙarfin wutar lantarki su fita. Gwada kowace na'urorin lantarki kafin a taɓa su don tabbatar da kashe wutar.

2. Bude Ƙofar Majalisa: Buɗe ƙofar majalisar ministocin kayan aiki don samun dama ga allon wayar da aka buga.

3. Sakin Makullin Shafukan: Jawo maɓallan makullin da ke kowane gefen rakiyar allo, sannan ɗaga mai ɗaukar allo na gaba (tare da katin sarrafa tuƙi) kuma karkatar da shi gaba da ƙasa don samun damar allon DCFB.

4. Cire haɗin igiyoyi: A hankali cire haɗin igiyoyi daga allon DCFB.

5. Saki Filastik Snaps: Matsa baya akan faifan filastik (masu riƙewa) don sakin allon DCFB daga mai ɗaukar allo.

6. Tabbatar da Kanfigareshan: Tabbatar da cewa duk masu tsalle-tsalle da masu sauyawa a kan sabon (majiye) allon DCFB an saita su a wurare iri ɗaya da na tsohuwar allo.

7. Shigar Sabuwar Hukumar: Gabatar da sabuwar hukumar DCFB a wuri ɗaya da wanda aka cire kuma shigar da shi akan mai ɗaukar allo. Tabbatar cewa duk faɗuwar robobi sun koma cikin matsayi don tabbatar da allon.

8. Sake haɗa igiyoyi: Sake haɗa duk igiyoyi zuwa allon DCFB kamar yadda aka lakafta su kuma tabbatar da cewa igiyoyin suna zaune da kyau a ƙarshen duka biyu.

9. Daidaita madaidaitan EE: Yi tsarin daidaita ma'aunin EE kamar yadda ake buƙata.

10. Kusa da Amintacce: Juya mai ɗaukan allo na gaba sama zuwa matsayi, zamewa makullin shafin (s) a gefen rakiyar allon baya zuwa wurin kullewa, sannan rufe ƙofar majalisar tuƙi.

3. Shawarwari na Kulawa

• Sauyawa Fuse: Fuses FU1, FU2, da FU3 sune kawai abubuwan da za'a iya maye gurbin mai amfani akan allon DCFB. Idan wani abu ya gaza, dole ne a maye gurbin allon a matsayin naúrar.

• Tsare-tsare na Anti-Static: Koyaushe sanya madaurin wuyan hannu lokacin da ake sarrafa allo. Ajiye allo a cikin jakar da ba a yi amfani da ita ba.

• Dubawa na yau da kullun: Lokaci-lokaci bincika matsayin LEDs da fitilar neon don tabbatar da ingantaccen aikin samar da wutar lantarki.

• Gudanar da Sassan Kayan Aiki: Ana ba da shawarar a ajiye aƙalla kwamiti na DCFB iri ɗaya akan rukunin yanar gizon a matsayin keɓe don rage raguwar lokacin rashin nasara.

VII. Binciken Laifi

1. LED da Neon Lamp Alamun

2. Matsalolin gama gari da magance matsala

VIII. Aikace-aikace

Ana amfani da hukumar samar da wutar lantarki ta DS200DCFBG2B a cikin aikace-aikacen masana'antu masu zuwa:

• DC2000 DC Drive Systems: Yana ba da ikon sarrafawa da sarrafa ra'ayi don tuƙi na DC.

• CB2000 Digital Control Systems: Yana aiki azaman tushen samar da wutar lantarki da sigina kwandishan.

• EX2000 Excitation Systems: Ana amfani da shi don sarrafa tashin hankali na janareta, samar da iko da sarrafa martani.

• FC2000 Tsarukan Sarrafa Mita: Yana ba da kulawa da ayyukan kariya a cikin tsarin tuƙi mai canzawa.

• GF2000 Generator Control Systems: Ana amfani da shi don tashin hankali da kariya.

• ME2000 Tsarin Kula da Motoci: Yana ba da ƙarfi da daidaita sigina a aikace-aikacen sarrafa motar.

• AC2000 IGBT Drive Systems: Yana ba da ikon matakin sarrafawa a cikin tsarin tuƙi na AC.