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Gas ba da izini a cikin transforers

Jun 17, 2025

Bar sako

 

Abin da ke ciki
  1. Gas ba da izini a cikin transforers
  2. 1. Gabatarwa
  3. 2.ka
  4. 3. Aiki na aiki
  5. 4. Ba da fa'ida da rashin amfani
  6. 5
    1. 5.1 Abubuwan da ke ciki da halayen gas
    2. 5.2 Cufitaccen ganewar ganewar asali
    3. Sarakunan karatu na 5.3
    4. 5.4 Shawarwari na gaba
Gas ba da izini a cikin transforers
 

gas relay

1. Gabatarwa

 

DaGas mai ruwa(wanda aka sani daBuchholz gudun) Ma'amallan kariya ne na mai mahimmanci a cikin mai- entformers, wanda aka tsara don gano kuskure ta hanyar gas ɗin da aka samar a cikin mai canjin. A lokacin da gazawar na ciki {{2} {2 {2 2} 2}}} over} de Relay gas ya gano ko dai tara adadin waɗannan gas ko tsatsiyar mai, yana haifar da ƙarfafawa ko alamar tafiya don hana gazawar masassara.

2.ka

1.Plug 2.weight 3.Cup (taso kantuna) 4.CaGection Point 7.Baffle farantin 8.Cacfforction farantin 10.ConfentingCtionst 11.Daustustingction sclet 11.Adustingcyingcleting track 11.adustusing truver 11.adustusing truver 11.adustusing truver 11.Bazara 12.Relay Babban murfin 13.gudanar da sanda 14.Bincike 15.Dakatar da dunƙule

gas relay diagram

 

3. Aiki na aiki

Ana shigar da bayanan gas na gas a cikin bututun mai da mai kula da canzawa da mai kula. Yana aiki bisa tushen hanyoyin guda biyu:

(1) ƙananan gano abu (Gyaran Gas

  • Sannu a hankali - Ci gaban da ke haɓaka (misali, wurare masu lalacewa) haifar da haɓakar mai da ke tashi da su a cikin manyan ɗakunan sanda.
  • Lokacin da ƙarar gas ta kai ga filin kwandon (yawanci250-300 ml), saukad da ruwa saukad da, kunna lambar ƙararrawa ("Gargadi mai haske).

(2) Manyan Gano Kusance (Tallafin Tsarin mai)

  • Kuskuren kuskure (misali, cirbites da'irori, suna kan da'irori cikin sauri da sauri, yana haɓaka kumfa mai matsawa da turbuwan gas.
  • Sakamakon mai ya kwarara mai laushi a cikin hanyar ruwa, yana haifar da lambar Takarda don cire haɗin mai tushe a cikin milisearks.

Buchholz relay

transformer gas relay

 

4. Ba da fa'ida da rashin amfani

Yan fa'idohu

  • Babban hankali: Yana gano kuskure na ci gaba (misali, rufin tsufa) kafin su haɓaka.
  • Amsar da sauri: Tafiya "mai kyau" tana aiki a millise seconds, rage ƙarancin lalacewa.
  • Babu ikon waje: Tsarin injiniya yana tabbatar da aminci ko da lokacin fitowar wutar lantarki.
  • Cutar da cuta: Binciken Gas (misali,DGA- ire-narkar da Gas) Tabbatar da nau'ikan kuskure (zafi, an yi gini, da sauransu).

Rashin daidaito

  • Man {{0} ► Mai ba da gudummawa kawai: Ba a zartar da bushewa {{0} assformers.
  • Tsarkakewa: Vibration ko shigarwa na ba zai iya haifar da tafiye-tafiye na karya ba.
  • Kulawa {{0 0}} m: Ana buƙatar isasshen iskar gas da hatimi na hatimi.

5

5.1 Abubuwan da ke ciki da halayen gas

gas relay in transformer

5.1.1 Fitar

  • Halaye na kuskure: Tsarin filin wutar lantarki na gida yana haifar da falls mai rauni a cikin rufi
  • Gas Gas:

Gas na farko:Hydrogen (H₂, 60-70%)

Sakandare na Sakandare:Methane (ch₄)

Mai nuna alama: arancinAcetylene (C₂h₂,<5ppm)

  • Relay mataki: Yawanci haifar kawai akararrawa gas
  • Matakin haɗari: Matsakaici (na iya haɓaka idan ba a kula ba)

 

5.1.2 Cills Haskakawa

{- topletara zazzabi (150-300 digiri)

  • Abubuwan da ke faruwa: Matsalolin ƙasa, haɗin haɗin kai
  • Gas Gas:

MamayeMethane (ch₄)

Da ke fitowaEthylene (C₂h₄)

MHydrogen (H₂)

 

High-Temperature Overheating (>700 digiri)

  • Abubuwan da ke faruwa: Winding overheating, datts din mai
  • Gas Gas:

MuhimmiEthylene (C₂h₄)

ƘaraEthane (C₂h₆)

TrafiAcetylene (c₂h₂)

  • Relay mataki: Tsawan tsawaita na iya haifartafiya mai gas

 

5.1.3 Suna (high - Fitar da kuzari)

  • Halaye na kuskure: Winding Short da'irori, taɓa gazawar canji
  • Gas Gas:

MAcetylene (C₂H₂, typically >50ppm)

DaukakaHydrogen (H₂)

Mai yiwuwa carbon barbashi a cikin mai

  • Relay mataki: Koyaushe yana haifar da tafiya mai kyau
  • Matakin haɗari: Mahimmanci (yana buƙatar rufewa nan da nan)

 

5.1.4 Jin danshi

  • Halaye na kuskure: Mafi yawan abubuwan ruwa a cikin mai
  • Gas Gas:

MHydrogen (H₂, >80%)

ƘaramiMethane (ch₄)

  • Relay mataki: Akai akaiHasken Gas na Gas
  • Ganewar asali: Na bukatar tabbatarwa ta hanyarGwajin danshi

 

5.2 Cufitaccen ganewar ganewar asali

Buchholz relay in transformers

5.2.2.1 Haskawan Gas (Rogers Rawor)

Key Ratios na Gas don gano kuskure:

Ratio

Iyaka

Nau'in kuskure

Ch₄ / h₂

<0.1

Fitarwa

C₂H₄/C₂H₆

>3

Babba {{0} tofa yawan zafin jiki

C₂H₂/C₂H₄

>0.5

Kuskuren Guga

5.2.2 Triangle Duval (IEC 60599 na yau da kullun)

Adved {- ire na Ratio don daidaitaccen tsari.

5.2.3 gas na tantance na zamani

Hankali mai hankali: Total Hydrocarbon Adadin Tsarin Tsaro>0.5 ml / h

Gargadi: Total Hydrocarbon Adadin Tsarin Tsaro>1 ml / h

 

Sarakunan karatu na 5.3

Winding Short Circuit

Case 1: Rashin kuskure Canja lamba

  • Bayyanar cututtuka: Akai akaiHasken Gas na Gas
  • Binciken Gas:

Ch₄: 45%

           C₂H₄: 30%

           C₂H₂: <1ppm

  • Ganewar asali: Matsakaici {{0} tope} Yekina zazzabi (200-400 digiri)
  • Mataki: Duba da tsabta sauƙaƙe lambobi

 

Maganin 2: Inter {- juya iska mai kyau

  • Bayyanar cututtuka: Tafiya mai gas
  • Binciken Gas:

           H₂: 55%

           C₂H₂: 35%

Carbon barbashi a cikin mai

  • Ganewar asali: Babba -}} ukun mai bin doka
  • Mataki: Yi Binciken Winding na ciki

 

Dissolved Gas Analysis test

 

5.4 Shawarwari na gaba

  1. Kayan gas na yau da kullun: GudanarwaNassoshin gas (DGA)Aƙalla kowane6 watanni.
  2. Logging: Yi rikodin kunnawa tare da sigogin lantarki.
  3. Relay Calibration: Kowace shekara tabbatar da taso kan ruwa da hanyoyin flap.
  4. Sakonnin Sadarwa: Haɗa tare daTsarin Kulawa na kan layidon inganta dogaro.

Aika Aikace-aikacen