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Gidin haɗa kan Tattalin Farkon Ingantaccen Teknologiyan da ake Amfani da su a Cikakken Wata

Oliver Watts
فیلڈ: Bincike da Bincike
China

Matawali a gaba suka da wurare, kamar matawali mai sararin maima da matawali mai kai. Wannan abubuwan da ke faruwa suna da wurare, amma yawan kisan da suka faru a kan wasu muhimman wurare na iya zama a kan hanyar, kafin, dukamai, da sararin maima. Misalai, kisan kafin, hanyoyi, kusan hanyoyi, da kusan hanyoyi a cikin dukamai. Wasu alamomin da suka faruwar da matawali sun haɗa da karfin karfi, yanayin tsari, nufin, da kusan hanyoyi.

Aiki na musamman na bincike da matawali sun haɗa da binciken kafin (hanyar kafin, tashin kafin, wadanda ake), ci gaba da rausa (don tabbatar da kisan kafin), binciken kafin, da kuma binciken da ba ake shiga. Wasu masu asa suna yi binciken sararin maima don matawali mai sararin maima don hasashen cewa kafin da kuma karfi ta aikace ta.

Duk da cewa, za a bayar da wasu hanyoyin da ya fi shahara a fage da matawali.

1. Hanyar ALL-Test

Tushen hanyar ALL-Test shine kunna amfani da sautuka mai tsari, mai kudin kafin - ba sai dai sautuka mai kudin kafin - don binciken parametere masu kyakkyawa kamar rausa DC, impedance, inductance da phase angle, da kuma ratio na current-to-frequency (I/F) na dukamai. Wannan yana taimaka don inganta kisan kisan kasa da kuma tushen kisan kasa. Fa'idodi na wannan hanyar sun haɗa da:

  • Yana taimaka da tushen kisan kasa a wurin, wanda yake taimaka don tabbatar da idan an buƙaci da dukamai masu ƙarin lokaci da kusa da kadan, kamar binciken kafin.

  • Zamantakewa da kyau. Saboda rausa DC na dukamai matawali ana da kudin, amfani da sautuka mai tsari, mai kudin kafin, ba zama da lalace da kisan kasa da yake. Daga baya, zai iya samun kisan kasa kamar kusan hanyoyi daga kafin da ya fi shahara waɗanda ake bincike da rausa DC (R) - wanda babu ake iya samun shi a matsayin hanyar na bincike na rausa DC na musamman.

  • Yana taimaka da binciken halaye. Kowane bincike zai iya rubuta da koyarwa. Tabbacin bincike da kuma rubutuwar kurfofin tendence, zai iya bincika wahala masu parametere masu muhimmi a lokutan lokaci, wanda yake taimaka don tabbatar da kisan kasa da kuma babbar gaba-gaba - wanda yake taimaka don inganta kisan kasa a wurare masu asa.

  • Binciken parametere masu kammala (R, Z, L, tgφ, I/F) yana bayar da bayanin da ya fi shahara, da kuma mai inganci, game da kisan kasa na kyakkyawar matawali.

Karamin hanyar ALL-Test:
Bayan kofin kafin da matawali, koyar da kafin na farko (ko na biyu). Sannan sambarta hanyoyin sautuka na instrument na kafin (ko na biyu) na farko (H1, H2, H3) daya da daya, kuma bincika parametere na kafin (R, Z, L, tgφ, I/F). Ta haka, tushen kisan kasa na matawali zai iya tabbatar da ita da koyarwa da kafin ko kuma da tarihin kafin na kafin a lokutan lokaci.

Idan an yi nasarar, za a bayar da wasu parametere masu kiyasin bayanai:

  • Rausa (R):

    • Idan R > 0.25 Ω, yanayin kafin da ya fi 5% ya nuna kusan hanyoyi.

    • Idan R ≤ 0.2 Ω, amfani da 7.5% don tabbatar da kusan hanyoyi.

  • Impedance (Z):

    • Kusan hanyoyi ba zai iya fi 5%.

    • Matawali mai kasa suna nuna kusan hanyoyi da ya fi 100%.

  • Inductance (L):

    • Kusan hanyoyi ba zai iya fi 5%.

  • Phase Angle Tangent (tgφ):

    • Kayan kafin na kafin ba zai iya fi ɗaya (misali, 0.1 da 0.2 ba a iya, amma 0.1 da 0.3 ba).

  • Ratio na Current-to-Frequency (I/F):

    • Kayan kafin na kafin ba zai iya fi biyu (misali, 1.23 da 1.25 ba a iya).

Daga tarihin aiki, a lokutan lokaci da kusan hanyoyi tana zama kasa, bayanan binciken matawali suna faru da kudin kafin. Don matawali masu muhimmi, ana ra'ayi a yi binciken ALL-Test kowane watan.

Jaduwa 1 Bayanan binciken na matawali mai kyau 2500kVA, 28800:4300, binciken na kafin na biyu


H₁ - H₂ H₁ - H₃ H₂ - H₃
R 0.103 0.100 0.096
Z 15 14 14
L 2
2 2
tgφ 75 75 75
I/F -48 -48 -49

Tafali 2 Bayanan aiki na tushen 500kVA, 13800:240V, tushen yakin


H₁ - H₂ H₁ - H₃ H₂ - H₃
R 116.1 88.20 48.50
Z 4972 1427 1406
L 7911 2267 2237
tgφ 23
21 20
I/F -33 -29
-29

2. Hukuma Tsari na Zabe

A cikin hukuma zabe a tushen, koyarwa tsari na zabe wanda yake daidai da kiyaye ita ce hukumomi mai yiwuwa da kusa da kawo girma—kamar koyarwa mai lafiya, ci gaba, ko kawo girma. A lokacin da ake amfani, saboda abubuwan da suka faru a bincike ko nasara masu shirya ta dace, tsari na zabe na tushen yana iya zama da kisan kadan da ya kasa daga ranar da aka rubuta. Idan an koyar da kiyaye, tsari na zabe yana iya zama alama mai muhimmanci don samun da kuma kaddamar da cututukan da ke kan kasa. Don haka, ana amfani da TTR (Transformer Turns Ratio) tester, wanda yana bukatar kyau a koyarwa da kiyaye.

3. Hukuma Kwalitoci na Taili na Tushen

Tushunan da suka ji da taili suna da amfani sosai, kuma babban baya na gudanar da su shine tattara yanayin taili. Alamomin da suka fi jan hankali—kamar karfin lashe, kafin karamin ruwa, tsarki na karamin ruwa (breakdown voltage), ko kawo girma—sun zama da su iya samun da shiga rayuwa. Da kuma haka, hukuma na karamin ruwa, karamin ruwa, da kuma koyarwa da kiyaye—sun zama abubuwan da su bukata a tattara yanayin taili. Tattauna jin da take da koyarwar tattara a cikin jerin rai.

Na'urar Daɗi Abu Kasa na Furfurin Zaɓu (kV) Maida na Gaskiya Haddadi na Nemo
Zo Daga Bida Zo A Cikin Amfani
1
Acid mai Yawan Ruwa (pH Value)
>5.4 ≥4.2 GB7598
2 Maida na Acid (mgKOH/G)
≤0.03 ≤0.1 GB7599 ko GB264
3 Maida na Flash (Closed Cup)
>140 (don No. 10, 25 Zo)

>135 (don No. 45 Zo)

1. Ba zama da maida na zo mai tsarki bi 5 ba

2. Ba zama da maida na zo mai karfi bi 5 ba

GB261
4 Ayyuka mai Karamin Maza
Babu Babu Nemo na Turanci
5 Carbon Mai Zama
Babu Babu Nemo na Turanci

A nan gaskiya yana bayyana yadda ake yi tafiya da kuma fuskantar gas chromatography. Idan zai kaifiya shi ne da ya shafi shi a lura, yanayin hanyar wannan fasahar shine a kan gida babban lura, ake cikakken samfurin lura, a tafiya da kuma kafin kayayyakin gas da suka dace, sannan ake haɗaƙe kyau na shafi. A halin da ba, muhimmancinta gas a luran ya fi ƙarin, musamman gas masu abinci, wadanda suke da 0.001% zuwa 0.1% daga jami'a.

Amma, idan darajar da ke da shawarwari a kan shafi shi ya ƙare, lura da kuma abubuwan da suka sauye gas suna da suka ci gaba da tsari da kuma ayyuka da ake amfani da ita saboda shawarwari. Misali, idan akwai abin da ya ƙare, abubuwan da suka sauye gas suna da CO da CO₂; idan luran da ya ƙare, ana da suka ci ethylene da methane. A amfani da muhimmancinta gas masu abinci don haɗaƙe, za a iya amfani da al'amuran da suke: muhimmancinta gas kadan 0.1% tana nuna cewa ba a shafi, 0.1% zuwa 0.5% tana nuna cewa akwai shawarwari mai sauƙi, kadan 0.5% tana nuna cewa akwai shawarwari mai zurfi.

Gas masu aiki da ake biyo saboda shawarwarin aikinsu a transformer sun hada da hydrogen da acetylene (C₂H₂), wadanda suka samu aiki saboda arc discharge ko sparking. A amfani da al'amuran da suke don haɗaƙe: muhimmancinta H₂ kadan 0.01% tana nuna cewa ba a shafi, 0.01–0.02% tana nuna cewa ya kamata inganta, kadan 0.02% tana nuna cewa akwai shawarwari; C₂H₂ kadan 0.0005% tana nuna cewa ba a shafi, kadan 0.001% tana nuna cewa akwai shawarwari.

Idan transformer ya ƙare, muhimmancinta H₂ (hydrogen) tana ci gaba, saboda an yi electrolysis a kan current. Wannan bayanan gas zai iya amfani don a yi tafiya ta hanyar cewa transformer ya ƙare.

Ba da kyau kuma kara mai rubutu!
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