550kV 740kV Gas Insulated Switchgear HV (GIS)
Abubuwa gaba
| Muhimmiya | ROCKWILL |
| Model NO. | 550kV 740kV Gas Insulated Switchgear HV (GIS) |
| Rated Voltage | 550kV |
| Raitidu kọ̀ọ̀kan | 4000A |
| Siri | ZF28 |
Bayani na sayen daga mai wuyaci
Nàànwàrì Product:
ZF28-550 type GIS/ ZH28-550 type HGIS na-akpọrọ otu n'otu site n'ebe mmalite, enwere ike inye aka ntụkwasị obere n'ọnụọgụgụ maka ebe mmalite dịka anyị chọrọ. O mere ikpe ikpe nke obere ma bụrụkwa n'asụsụ teknụzụ.
Nàànwàrì a na-achọrọ ka onye ji eme, onye na-enye elekiri, osisi okporo, petrochemical, metallurgy, mining, building materials na ndị ọzọ dị mkpa n'ime industry.
Nnyocha na ọtụtụ ihe dị mma nke nàànwàrì:
Mechanism spring kacha, nke na-ekwesịrị.
Nnyocha na-enye aka nke dị mma.
Nnyocha na-enye aka CB na-egosi dual break structure, na capacitor shunt site n'ikpe ikpe mgbe ha na-akpọta, enweghị aka nnyocha na-enye aka nke pụtara short-line fault na nnyocha na-enye aka nke pụtara short circuit bụ 63kA.
E2-M2-C2 circuit breaker; E2 electrical endurance; M2 mechanical endurance.
Nnyocha na-enye aka nke dị mma.
Insulation level dị mma, partial discharge dị elu.
Nnyocha na-enye aka corrosion.
Designing tool dị mma.
Basin-type insulator site n'alu flange; double sealing structure.
Assembly technology dị mma.
Domestic first high power spring operation mechanism of circuit breaker na-egosipụta volume elu na-safe and stable, free of maintenance, nke na-ekwesịrị na nke na-enyere oil free and gas free requirements for operation mechanism.
Interrupter unit na-egosi capacitor shunt site n'ikpe ikpe mgbe ha na-akpọta. Enweghị aka nnyocha na-enye aka nke pụtara short line fault breaking capability.
Insulation level dị mma na partial discharge dị elu. Nke a bụ company dị mfe na industry nke na-achọrọ: mgbe 80% power-frequency withstand voltage (80%×740kV = 592kV), partial discharge nke intervals bụ nke elu 5pC, partial discharge nke insulator bụ nke elu 3pC. Ọ dị mma nke IEC standard nke partial discharge bụ nke elu 5pC mgbe 1.2 times phase voltage (1.2×550/√3 = 381kV).
Insulator quality dị mma na ekwesịrị. Basin-type insulator pouring process na-egosipụta international advanced level.
Technical Parameters:
Gịnị bụ ọtụtụ ihe dị mkpa maka operation nke GIS?
Indoor SF6 equipment room nke operators na-eburu ochie: ventilate at least once per shift, ventilate for 15 minutes, air exchange volume should be greater than 3-5 times the air volume, and the air outlet should be installed in the lower part of the room; Equipment places that are not frequently visited by operators: ventilate for 15 minutes before entering.
Mgbe ọ na-enwe ike, induced voltage nke shell and frame nke GIS enwere ike inye 36V site n'otu na-ewepụta operation and maintenance personnel.
Temperature rise: enwere ike inye 30K site n'otu na-ewepụta operating personnel; Site n'otu na-ewepụta operator but not touched during operation enwere ike inye 40K; Individual parts nke enweghị ike ewepụta operator enwere ike inye 65K.
SF6 switchgear inspection at least once a day, unattended substation inspection according to regulations. During the inspection, the visual inspection is mainly carried out, and the equipment is not abnormal, and a record is made.
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.
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.
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