550kV HV Gas Insulated Switchgear (GIS)
Abubuwa gaba
| Muhimmiya | ROCKWILL |
| Model NO. | 550kV HV Gas Insulated Switchgear (GIS) |
| Rated Voltage | 550kV |
| Raitidu kọ̀ọ̀kan | 6300A |
| Siri | ZF27 |
Bayani na sayen daga mai wuyaci
Description：
ZF27 - 550, wata Gas Insulated Switchgear (GIS) na 550KV da ake gina a kan yaushe, tana da siffar mutanen da suka fi shi a harkokin duniya. A yi aiki da shi a cikin ƙasar 550KV don in ba da kawo, maimaita, da kuma inganta. Ana haɗa da abubuwa masu muhimmanci kamar circuit breakers, disconnectors, earthing switches, quick earthing switches, current transformers, busbars, da air-insulated bushings don inlets da outlets. Abubuwan da suka da su suna cika a cikin shell da aka tsara ta a tsakiyar zama, inda SF6 gas yana aiki a matsayin medium na arc-extinguishing da insulating. Yana iya a haɗa da ita a cikin hanyoyi na farko daidai saboda ma'aikatar mataimakin.
Main Features：
Circuit breaker yana da arcing chamber na single-fracture da sauran kayayyakin da suka fiye da aiki mai tsari.
Yana da kyau a breaking capabilities, electrical contact lifespan mai yawa, da kuma service life mai yawa.
Circuit breaker unit yana iya a samun a lokacin da ake rarrabe bayan samun a wurin, baki daya kafin ake samun da SF6 gas, wanda ya tabbatar da ake iya magance dust da abubuwa masu karfi.
Hydraulic operating mechanism na zamani tana da pipi mai yawa, wanda ya ci gaba a taka wannan da ake bukaci oil leakage.
A lokacin da ake amfani da hydraulic operating mechanism, yana aiki a matsayin pressure switch, wanda yana bincike cewa an yanke rated oil pressure musamman har zuwa wata yawan ambali. Relief valve yake da shi ya magance aiki a matsayin overpressure protection.
Idan an gama pressure, hydraulic operating mechanism yana da kyau a slow tripping idan an sake gama pressure.
Closing resistance na product yana iya a samun ko a rage da shi a matsayin ma'aikatar mataimakin.
Technical Parameters：
Mi ne technical parameters na gas-insulated Switchgear?
Rated Voltage:
Levels na rated voltage masu yawa sun hada da 72.5kV, 126kV, 252kV, 363kV, da 550kV. Rated voltage yana nuna maximum operating voltage da equipment zan iya yanke, wanda yana da muhimmanci a matsayin asasen design da kuma selection na GIS (Gas-Insulated Switchgear) equipment. Yana da kyau a matsayin voltage level na power system don in ba da safe da reliable operation a lokutan daɗi da fault conditions.
Rated Current:
Rated current yana haɗa da hundred amperes to several thousand amperes, kamar 1250A, 2000A, 3150A, 4000A, etc. Rated current yana nuna maximum current da equipment zan iya yanke continuously without damage. Idan ake zaba equipment, yana da kyau a matsayin margin based on actual load conditions don in ba da safe da reliable operation a lokutan daɗi da fault conditions.
Rated Short-Circuit Breaking Capacity:
Typically, rated short-circuit breaking capacity yana haɗa da 31.5kA to 63kA or even higher. Wannan parameter yana nuna ability na equipment da ake iya interrupt short-circuit currents. Idan short-circuit fault yana faru a cikin power system, short-circuit current yana zama ƙarin. GIS equipment yana da kyau a matsayin quick da kuma reliable interruption of short-circuit current don in ba da safe da reliable operation a lokutan daɗi da fault conditions.
SF₆ Gas Pressure:
Rated pressure na SF₆ gas a cikin equipment yana haɗa da 0.3MPa to 0.7MPa. Actual operating pressure yana iya a haɗa da specific requirements na equipment da environmental factors kamar temperature. A lokacin da ake amfani da shi, yana da kyau a monitor da control parameters kamar pressure, humidity, da purity na SF₆ gas don in ba da safe da reliable operation a lokutan daɗi da fault conditions.
Principles of Protection Functions:
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An samun da yin hanyar GIS suna da wasu manyan fadada daidaito wajen masu sauri da gudummawa ta shirin kai.
Fadada Daidaito na Yawan Karami:
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Fadada daidaito na yawan karami tana da yin hanyar transformer mai karfi don bin samun karami a cikin shirin. Idan karami ya karkashin halitta mai sarrafa, zan iya faɗa daidaito wajen haɗa suka, wanda yake da shirin da ya faru, kuma tana da yin hanyar hana shirin da ya faru don in baɗe damar abubuwa saboda yawan karami.
Fadada Daidaito na Tsawon Shiga:
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Fadada daidaito na tsawon shiga tana da yin hanyar bincike tsawon shiga a lokacin da yake faru a cikin shirin, kuma tana da yin hanyar faɗa daidaito wajen haɗa suka, wanda yake da shirin da ya faru, kuma tana da yin hanyar hana shirin da ya faru don in baɗe damar shirin kai.
Manyan Fadada Daidaito:
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Sunan manyan fadada daidaito, kamar fadada daidaito na wurin shiga da kuma fadada daidaito na yawan sashi, suna da su. Waɗannan fadada daidaito suna da yin hanyar sensor masu daidaito don bin samun parametere masu shirin. Idan ana samun abin da ba tare da shirin, zan iya faɗa daidaito wajen haɗa suka, wanda yake da shirin da ya faru, kuma tana da yin hanyar hana shirin da ya faru don in baɗe damar shirin kai da abubuwan da ake amfani da su.
Siffar da Zafi:
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A cikin zafi, elektronu a molekulai gas na SF₆ suna kama da wani yawan abin da ba a nukil. Amma, saboda inganci a kan siffar da zafi na molekulai gas na SF₆, ya fi shi gaba da sarrafa harkokin elektronu daga fuskantar zuwa mazaunuka, wanda yake taka da tsarin zafi mai kyau. A wurare IEE-Business (Gas-Insulated Switchgear), an samu zafi ne tun daga fuskantar tsari, kyakkyawa, da kuma siffar da zafi na gas na SF₆. Wannan yana taimaka waɗanda ake iya haɓaka da zafi mai kyau da ƙasa a kan bayanan aiki da wasu tsohon kaya, da kuma a kan bayanan aiki da wasu tsohon kaya.
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Idan an yi aiki a cikin zafi na ƙananan, babu elektronu masu ƙwarewa a cikin gas suna samu karfi daga siffar da zafi, amma wannan karfin ba ya fi shi gaba da mutuwar da gas na molekulai su. Wannan yana taimaka waɗanda ake iya daidaita zafi mai kyau.
Na gaba da kyauka cikakkiyar karamin gasar SF6, kyauka shiga karamin hawa da kuma kyauka ainihi, samanar GIS na da muhimmanci masu tafukar fushi, kyauka shiga karamin hawa da kuma inganci, amma kyauka cikakkiyar karamin gasar SF6 yana kasance da darajar da take da aiki a kan karamin hawa, kuma zai iya canzawa cikakkiyar abin da ake da tsirrai ko abubuwa masu wani a kan GIS.
Samanar GIS ta yi aiki a kan sauran yanayi, wanda ya ba da muhimmanci masu tafukar fushi baki daya, tafukar inganci mai zurfi, tafukar inganci mai kadan, tafukar karamin hawa mai kadan, kuma tafukar karshen karamin hawa mai kadan, kuma kuna da abubuwa masu gaba-gaban da ake da su kamar aiki mai zurfi da ake yi a kan yanayin kawo karfi, kuma hanyar neman da ke da aiki mai zurfi, kuma idan yanayin kawo karfi an yi nasara da karshen jirgin sama da karamin hawa, zai iya ba da muhimmiyar abubuwa masu gaba-gaban kamar ƙarin ruwa da karamin hawa.
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