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Gas refray na ndị transformers

Jun 17, 2025

Hapụ ozi

 

Ihe juputara
  1. Gas refray na ndị transformers
  2. 1. NKWUP
  3. 2.ctioncation
  4. 3. Iwu ọrụ
  5. 4. Uru na ọghọm
  6. 5
    1. 5.1 Njirimara ntụpọ na njiri mara gas
    2. 5.2 Nchọpụta Nchọpụta Nchọpụta
    3. 5.3 Studies
    4. Ihe ndozi 5.4
Gas refray na ndị transformers
 

gas relay

1. NKWUP

 

Oseihe nwokeGas reviay(a makwaara dị ka aBuchholz Reviay) bụ ngwaọrụ nchebe dị oke mkpa na mmanụ-} na-egbochi ndị na-agbanwe agbanwe, ha na-achọpụta na gas na-emepụta n'ime onye na-emegharị ahụ. Mgbe ime ihe dị n'ime-}} dị ka oke, na-ere ya, na-emebi emebi, na-amịpụta ikuku (dịka, hydrenen, methene). A na-achọpụta ma gas na-achọpụta ma ọ bụ na-asọpụta mmanụ a na mberede, na-agbasawanye mkpu ma ọ bụ akara njem iji gbochie ọdịda njem.

2.ctioncation

1.plaight 2.Cat 2.Cat (ise n'elu) 4.ssignal magnet magnet magneti 5.Mgbe 7.Caffle efere 9.ConnNactions 9.onnNafly suflecc 11.Oge opupu ihe ubi 12.Na-agbaji elu mkpuchi 13.na-eduzi mkpanaka 14.Nyocha 15.Kwusi ịghasa

gas relay diagram

 

3. Iwu ọrụ

A na-etinye Relay Relay na paịlị na-ejikọ Tank Tank na Conserverator. Ọ na-arụ ọrụ dabere na usoro abụọ:

(1) Nchọpụta Nchọpụta Mgbapụta (Oke Ọhịa)

  • Ngwa ngwa {0} na-etolite mmejọ (dịka, mpaghara, nke dị oke ala) na-akpata mmanụ na-emebi ma na-agbagha ma chịkọta ụlọ elu Laay.
  • Mgbe olu gas ruru ọdụ ụgbọ ala (ọ na-abụkarị250-300 ml), a na-ese n'elu mmiri, na-eme ka ịkpọtụrụ mkpu mkpu ("ọkụ gas" ịdọ aka na ntị).

(2) Nchọpụta nsogbu na - achọpụta (njem na - agba mmiri)

  • Nnukwu mmejọ (dịka, sekit dị mkpụmkpụ, na-efegharị) na-emebi mmanụ ngwa ngwa, na-eme ka elu - cather gas na-egosipụta.
  • Ihe a na-esi na mmanụ na-ebupute mmanụ dị n'ime flap n'ime larịị, na-akpata kọntaktị njem iji kwụsị onye ahụ transfornters.

Buchholz relay

transformer gas relay

 

4. Uru na ọghọm

Uru

  • Nnukwu ihe: Chọpụta mmejọ (dịka, mkpuchi) tupu ha amụba.
  • Nzaghachi ngwa ngwa: "Njem ụgbọ mmiri" ahụ na-arụ ọrụ na milliseconds, belata mmebi.
  • Ọ dịghị ike mpụga: Ihe eji arụ ọrụ na-ekweta ịdabere na ntụkwasị obi ọbụna n'oge ike ike.
  • Nchọpụta Njehie: Nyocha gas (wdg,DGA- nyocha gas) na-achọpụta ụdị mmejọ (na-ekpo ọkụ, na-ere, wdg).

Ọghọf

  • Mmanụ mmanụ -} na-egbochi ndị na-emegharị: Ọ bụghị na akọrọ - ụdị transformers.
  • Mmetụta nke gburugburu: Echichi ma ọ bụ nrụnye na-ezighi ezi nwere ike ibute njem ụgha.
  • Mmezi-}}: Chọrọ mmiri gas na nyocha nke akara.

5

5.1 Njirimara ntụpọ na njiri mara gas

gas relay in transformer

5.1.1 mwepu

  • Nmehie ihe: Ugboro ala eletrik nke na - eme ka ihe mkpuchi
  • Ọgbọ gas:

Gas gas:Hydrogen (H₂, 60-70%)

Gas nke abụọ:Methane (ch₄)

Ihe ngosi igodo: di alaAcetylene (c₂h₂,<5ppm)

  • EmehieAMkpu ọkụ
  • Ọkwa dị egwu: Agafeghị (nwere ike ịkagbu ma ọ bụrụ na ọ ga-agwọ)

 

5.1.2 Igwe ikuku

Obere -} Okpomọkụ na-egbu egbu (ogo 150-300)

  • Ihe na-akpatakarị: Isi okwu, njikọ ndị na-adịghị mma
  • Ọgbọ gas:

ChịrịMethane (ch₄)

PutaraEthylene (c₂h₄)

KedialaHydrogen (h₂)

 

High-Temperature Overheating (>700 ogo)

  • Ihe na-akpatakarị: Izosi ike nke ukwuu
  • Ọgbọ gas:

Nke dimkpaEthylene (c₂h₄)

IgughariETETANE (C₂H₆)

TraceAcetylene (c₂h₂)

  • Emehie: Ogologo oge oke nwere ike ịkpaliteNnukwu njem njem

 

5.1.3 na-anyụ (elu {{1}

  • Nmehie ihe: Whingzọ mkpụmkpụ mkpụmkpụ, pịa na-adịghị mma
  • Ọgbọ gas:

KeeluAcetylene (C₂H₂, typically >50pp)

IbuliHydrogen (h₂)

Na-ekwe omume carbon na mmanụ

  • Emehie: Na-akpata njem ikuku mgbe niile
  • Ọkwa dị egwu: Ọ dị mkpa (na-achọ ihuenyo ozugbo)

 

5.1.4 Mindy

  • Nmehie ihe: Mmiri dị na mmanụ
  • Ọgbọ gas:

Nke bururiHydrogen (H₂, >80%)

ObereMethane (ch₄)

  • Emehie: Ugboro ugboroMkpu ọkụ ọkụ
  • Nchoputa: Chọrọ nkwenye site naIlele Mmiri Ala

 

5.2 Nchọpụta Nchọpụta Nchọpụta

Buchholz relay in transformers

5.2.1 Gas RASID (Rogers Ratio)

Ikike gas maka njirimara mmejọ:

Rashio

Renji

Ụdị mmejọ

Chgha / h₂

<0.1

Mwepu

C₂H₄/C₂H₆

>3

Oke-} Okpomọkụ na-egbu egbu

C₂H₂/C₂H₄

>0.5

Accing Ajọ

5.2.2 Duval triangle (IC 6099 Standard)

Uzo ato ato di elu- rigntostic usoro maka idozi nkenke.

5.2.3s gas ọgbọ mmiri

Ntịgharị: Ngụkọta Hydrocarbon ọnụego>0,5 ml / h

Ntụgharị aka na ntị: Ngụkọta Hydrocarbon ọnụego>1 ml / h

 

5.3 Studies

Winding Short Circuit

Ikpe 1: Na-ezighi ezi na-akpọtụrụ kọntaktị Retrol

  • Mgbaàmà: Ugboro ugboroMkpu ọkụ ọkụ
  • Mgbakọ gas:

Cha: 45%

           C₂H₄: 30%

           C₂H₂: <1ppm

  • Nchoputa: Ọkara-} Ọnọdụ okpomọkụ na-egbu egbu (ogo 200-400)
  • Emereme: Nyochaa na ndị na-agbanwe agbanwe

 

Ikpe 2: Inter {1- Tụgharịa Circuit

  • Mgbaàmà: Nnukwu njem njem
  • Mgbakọ gas:

           H₂: 55%

           C₂H₂: 35%

Carbon na mmanụ

  • Nchoputa: Elu - ike na-agagharị
  • Emereme: Mee nyocha dị n'ime ime

 

Dissolved Gas Analysis test

 

Ihe ndozi 5.4

  1. Na-enyocha gas: DuzieNnyocha gas (dga)opekata mpe6 ọnwa.
  2. Ntinye ihe omume: Dekọọ relaygrotion na-eme ka usoro eletrik kwekọrọ.
  3. Relay Relibration: Kwa afọ iji nyochaa usoro na usoro flap.
  4. Nlekọta Nlekọta: Soro naSistemụ nlele n'ịntanetịmaka ntụkwasị obi dị elu.

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