12kV na ƙarfin yawan zafi daidai (daidai cikin hawa bila gas SF6) na gaba mai hankali na kawo magana
Abubuwa gaba
| Muhimmiya | Switchgear parts |
| Model NO. | 12kV na ƙarfin yawan zafi daidai (daidai cikin hawa bila gas SF6) na gaba mai hankali na kawo magana |
| Rated Voltage | 12kV |
| Raitidu kọ̀ọ̀kan | 630A |
| Rated short-circuit breaking current | 25kA |
| Siri | KHV-12 |
Bayani na sayen daga mai wuyaci
Dadiyan na gas insulated switches da yin fadada a kan yanayi wani suna amfani da epoxy resin don injiki masu zafi a cikin vacuum arc extinguishing chamber na uku. Epoxy resin ita ce mafi amfani a kan insulation material a tashar, kuma saboda hakan ya shafi da kyau a matsayinta da inganci a wuraren material, ana amfani da shi da dama a tashar electrical. Insulator da aka amfani a cikin switch a high-voltage cabinet shine zero grade dry air ko 99.99% pure N gas wanda yake da shirin GB/T8979-2008. Arc extinguishing system na main circuit ta switch body an samu a cikin pole, kuma akwai busbar overlap surface a tsakiyar static knife, wanda yana ba da muhimmanci ga busbar overlap. Dadiyan na switches waɗan suka gudanar da operating mechanism da ake gwadon a kan kamfanin, kuma application na whole cabinet ta da interlocking function na biyu, kuma operating mechanism ta da shirin five prevention requirements na power distribution system. Zan iya haɗaƙa installation program lock, lock, kuma kulaɗe configure secondary auxiliary da customize special application solutions don projects daban-daban.
Model description
| Serial Number | Item | Unit | Parameter | Remark |
|---|---|---|---|---|
| 1 | Rated Voltage | kV | 12 | |
| 2 | Rated Current | A | 630 | |
| 3 | Rated Breaking Current / Thermal Stability Time | kA/s | 20/4; 25/3 | |
| 4 | Rated Peak Withstand Current | kA | 50/63 | |
| 5 | Rated Short-circuit Making Current | kA | 50/63 | |
| 6 | Short-circuit Making Times | times | 30 | |
| 7 | Power Frequency Withstand Voltage: Phase-to-Ground / Phase-to-Phase | kV | 42 | In Dry Air or N₂ |
| 8 | Power Frequency Withstand Voltage: Break | kV | 48 | In Dry Air or N₂ |
| 9 | Lightning Impulse: Phase-to-Ground / Phase-to-Phase | kV | 75 | In Dry Air or N₂ |
| 10 | Lightning Impulse: Break | kV | 85 | In Dry Air or N₂ |
| 11 | Main Circuit Resistance | μΩ | ≤60 | Vacuum Arc Extinguishing Chamber + Disconnector |
| 12 | Mechanical Life of Arc Extinguishing Chamber | times | 10000 | |
| 13 | Mechanical Life of Isolation / Earthing Switch | times | 5000 | |
| 14 | Gas Tank Pressure | bar | 1.25 |
Installation dimensions
Wani shi yadda aiki mai gudummawa da zuba ta fi sani na kayayi, wanda aka tsakiyar da shi a tsakiyar kayan kabinin tattalin arziki da ba a yi amfani da gasar SF6. Ayyukansa masu muhimmanci sun hada da uku abubuwa: ① Ingantaccen hanyar da zuba: Yana iya kawo karfi da kadan kula da kula mai yawa, kuma yana bazu fagen da take cikin kayayi domin tabbatar da dalilin rayuwa; ② Hanyar inganta: Yana iya bayyana hanyar inganta da wasu babban kayayi, kabilu da kulan gine da kula da kula mai yawa; ③ Tattalin arziki: Ba a yi amfani da gasar SF6, kuma yana iya karkashin al'adun tattalin arziki da kuma karkashin cututtuka mai yawa, wanda ya haɗa da siyasa global na tattalin arziki. Ana amfani da shi a duk waƙoƙi da kabilu da takamakon jami'a da kuma wurare da kula mai yawa da kula mai yawa.
A hanyar da take da shiga amsa ta zama na biyu cikin abubuwa: ① A hanyar da take da shiga amsa ta zama: An samun tasiri a kan wuraren kusa, wanda yana dace da "SF6-free" na eco-cabinets, wanda ke baki daya daga rausan tattalin adawa na SF6; ② Tasirin da take da shiga amsa ta zama: Yadda ake shiga a wurare na eco-cabinet, wanda yake da kyau a gaba-gaban masu mafi girma, yana tsarki lalacewar tattalin adawa da kuma yana ba da inganci a yi aiki; ③ Da take da shiga amsa ta zama ga koyarwa: Yadda ake shiga a wurare na eco-cabinet, yana ba da kyau a fada, yana tsarki karfi a yi koyarwa da kuma yana koyar da lokaci. Don systemen 10kV/12kV na tsohon saki, aikan kusa (≥125mm) yana iya tabbatar da tushen tattalin adawa
Makarantar Mai Yawanci
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12KV na gida (air insulated without SF6 gas) vacuum circuit breaker switch (upper isolation)
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Isoladawar da 12KV mai kyauwa (mai kisan hawa, bace tana da gas SF6, an kisa da nitrogen)
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12KV na ƙarfin kwallon jiki (kwaikwayi da ba ta ɗaukar SF6) na gaji mai saukar hankali
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Mekanisman daɗiɗaƙo a ƙofin gida mai hankali ga alamomin kasa (da ƙarfi mai sauƙi ba ta ƙunshi gas SF6)
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Mekanisman tsohon kisan gaba a cikin bakin daidai na 12kV (gaban ruwa bila gas SF6)
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12kV na gida na aiki (na ƙarfi mai girma ba ta da gas SF6) PT kallamu na aiki
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NAL Indoor Air Switch Disconnector NAL Indoor Air Switch Disconnector
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