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Gwọ́n Ọ̀rọ̀ Nkà àti Àlàáfíà Nkà Tó Tó Gbogbo Nlá

Na'ibi Mai Tsawo:​ Don hana da amfani da shugaban kwallon kapasita da tashar rawa da zama, da kuma gudanar da tsawon wurin.

A lokacin da kapasitoci mai yawan kofin da suka fitar da shi a tashar rawa, yana da kyau a kan abin da za ta dace. Wannan bayanin, ta hanyar littattafai da tattaunawa, tana ba da kungiyoyi game da kayan abin da suka dace:

I. Abin Da Ta Dace Amfani Da Kayan Kwamfuta

  1. Abin Da Ta Dace Amfani Da Yawan Kofin:
    • Kafofin:​ Don hana da amfani da hasuwa na kapasita ko karamin hasuwar da yake faru saboda yawan kofin na al'amuran (karamin hasuwa), yawan kofin na fitar da shi, da kuma yawan kofin na tashar rawa.
    • Kungiya:
      • Surge Arrester (MOA - Metal Oxide Arrester):​ An saka shi a cikin ƙarshen masu fitar da shi da kuma ƙarshen mafi girma na kapasita, musamman a cikin ƙarshen masu fitar da shi da kuma ƙarshen mafi girma, don hana da amfani da karamin hasuwa da yawan kofin na fitar da shi.
      • Overvoltage Relay:​ Yana bincika yawan kofin na farkon kapasita zuwa waɗanda. Idan yawan kofin ya fi 1.1Un, yana ci ƙarshen kapasita bayan lokaci don hana da amfani da amfani da yawan kofin na tsohon lokaci. Ingantaccen kafofin yana bukata da karbuwa da tashar rawa.
  2. Abin Da Ta Dace Amfani Da Yawan Rukuni:
    • Kafofin:​ Don hana da amfani da yawan rukuni na ƙarshen kapasita saboda amfani da yawan rukuni na tsohon lokaci ko karamin hasuwar da yake faru.
    • Kungiya:
      • Time-Delayed Overcurrent Protection:​ Tana da amfani da abin da ta dace amfani da ƙarshen kapasita, da kuma yana da amfani da amfani da yawan rukuni na tsohon lokaci. An bukata shi da yawan rukuni na fitar da shi, musamman bayan 1.5 zuwa 2 darajin yawan rukuni na tsohon lokaci.
      • Instantaneous Overcurrent Protection:​ Tana ci ƙarshen kapasita karkashin lokaci don hana da amfani da karamin hasuwa da yawan rukuni na tsohon lokaci.
  3. Abin Da Ta Dace Amfani Da Hasuwar Da Yake Faru:
    • Kafofin:​ Don hana da amfani da hasuwar da yake faru a cikin ƙarshen kapasita ko karamin hasuwar da yake faru.
    • Kungiya:
      • Dedicated High-Voltage Fuse:​ Tana da amfani da abin da ta dace amfani da karamin hasuwar da yake faru a cikin ƙarshen kapasita. Yana ci ƙarshen kapasita karkashin lokaci don hana da amfani da karamin hasuwar da yake faru.
      • Circuit Breaker + Relay Protection:​ Tana da amfani da abin da ta dace amfani da karamin hasuwar da yake faru. Ana bukata ingantaccen waɗanda yana ci ƙarshen kapasita da kuma waɗanda yana ci circuit breaker.

II. Abin Da Ta Dace Amfani Da Bincike Daga Fagen Yawan Tsayi

  1. Abin Da Ta Dace Amfani Da Yawan Tsayi (Thermal Protection):
    • Kafofin:​ Don hana da amfani da hasuwar da yake faru ko karamin hasuwar da yake faru saboda yawan rukuni na tsohon lokaci, yawan rukuni na tsohon lokaci, amfani da yawan rukuni na tsohon lokaci, da kuma karamin hasuwar da yake faru (da zai iya haɗa da yawan rukuni na tsohon lokaci).
    • Kungiya:
      • Embedded Temperature Sensors (PTC/Pt100):​ An saka shi a cikin ƙarshen masu fitar da shi (misali, ƙarshen mafi girma na kapasita) don bincike yawan tsayi na farkon ƙarshen kapasita.
      • Temperature Relay / Intelligent Monitoring Unit:​ Tana da amfani da shirye-shirye daga sensors. Idan yawan tsayi ya fi 75°C zuwa 80°C, yana ci ƙarshen kapasita don hana da amfani da karamin hasuwar da yake faru.
  2. Abin Da Ta Dace Amfani Da Yawan Rukuni Na Tsohon Lokaci:
    • Kafofin:​ Don hana da amfani da yawan rukuni na tsohon lokaci a cikin ƙarshen kapasita saboda yawan rukuni na tsohon lokaci, da kuma yawan rukuni na tsohon lokaci, da kuma yawan rukuni na tsohon lokaci.
    • Kungiya:
      • Harmonic Monitoring Meter:​ Yana bincike yawan rukuni na tsohon lokaci a cikin ƙarshen busbar ko ƙarshen kapasita. Idan yawan rukuni na tsohon lokaci ya fi ƙarshen busbar, yana ci ƙarshen kapasita don hana da amfani da karamin hasuwar da yake faru.
      • Harmonic Filters:​ A cikin ƙarshen masu fitar da shi, ana bukata ƙarshen filter capacitor banks (misali, ƙarshen 6%, 13% reactors) saboda yawan rukuni na tsohon lokaci. A cikin ƙarshen masu fitar da shi, ana bukata Active Power Filters (APF).

III. Abin Da Ta Dace Amfani Da Bincike Daga Fagen Yawan Tsayi

  1. Abin Da Ta Dace Amfani Da Yawan Tsayi (Grounding Protection):
    • Kafofin:​ Don hana da amfani da yawan tsayi a cikin ƙarshen masu fitar da shi, da kuma yawan tsayi a cikin ƙarshen masu fitar da shi.
    • Kungiya:
      • An saka shi a cikin ƙarshen masu fitar da shi; yawan tsayi yana daidai da tushen yawan tsayi.
      • Wanda aka saka shi a cikin ƙarshen discharge coil/resistor, yana daidai da yawan tsayi.
      • An saka open-delta voltage protection a cikin ƙarshen masu fitar da shi.
  2. Disconnecting Switch (Isolator):
    • Kafofin:​ Don hana da amfani da yawan tsayi a cikin ƙarshen masu fitar da shi, da kuma yawan tsayi a cikin ƙarshen masu fitar da shi.
    • Kungiya:​ An saka disconnecting switches a cikin ƙarshen masu fitar da shi. An bukata ingantaccen waɗanda yana ci ƙarshen masu fitar da shi.
  3. Automatic Trip Device (Interlock Protection):
    • Kafofin:​ Don hana da amfani da yawan tsayi a cikin ƙarshen masu fitar da shi, da kuma yawan tsayi a cikin ƙarshen masu fitar da shi.
    • Kungiya:
      • An saka multiple criteria (yawan kofin, yawan rukuni, yawan tsayi, yawan rukuni na tsohon lokaci, etc.) a cikin ƙarshen masu fitar da shi.
      • Yana ci ƙarshen masu fitar da shi karkashin lokaci, don hana da amfani da karamin hasuwar da yake faru. An saka shi a cikin Substation Automation System (SAS).
08/09/2025
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