Jenareta kwazvakarerekera pfungwa grounding resistance cabinet

Tsanangudzo Pfupi

Iyo yekusarerekera poindi yekumisa kuramba kabati yeHongyan jenareta inoiswa pakati pekusarerekera poindi yejenareta uye pasi.Munguva yekushanda kwejenareta, imwe-phase grounding ndiyo yakajairika kukanganisa, uye nzvimbo yekukanganisa ichawedzera kuwedzera kana arcing ichidzika.Stator winding insulation kukuvara kana kunyange iron core inopisa nekupisa.Pasi rose, kune imwe-chikamu chepasi kukanganisa mumagetsi ejenareta, yakakwirira-resistance grounding panzvimbo isina kwayakarerekera yemajenareta inoshandiswa zvakanyanya kudzikamisa pasi ikozvino uye kudzivirira dzakasiyana-siyana overvoltage njodzi.Iyo isina kwayakarerekera poindi inogona kudzikwa kuburikidza neanopikisa kudzikamisa kukanganisa ikozvino kune yakakosha kukosha, kunatsiridza senitivity yekudzivirira relay uye kuita pakugumburwa;panguva imwecheteyo, kungopisa kwepanzvimbo kudiki kunogona kuitika panzvimbo yekukanganisa, uye kuwedzeredza kwechinguvana kunogumira kune yakajairika mutsara voltage.2.6 nguva dzeiyo neutral point voltage, iyo inomisa kudzimazve kwearc;inodzivirira iyo arc gap overvoltage kubva mukukuvadza iyo huru michina;panguva imwecheteyo, inogona kudzivirira zvinobudirira ferromagnetic resonance overvoltage, nekudaro kuve nechokwadi chekushanda kwakachengeteka kwejenareta.

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rondedzero yechigadzirwa

Kune akawanda magadzirirwo modhi yejenareta yekupokana poindi yekupokana kabati, anonyanya kuzivikanwa ndeaya anotevera maviri:
(1) Chimiro chegadziriro umo nzvimbo isina kwayakarerekera yejenereta yakadzikwa zvakananga kuburikidza nekabati yekupikisa.
(2) Chirongwa chekugadzirisa umo nzvimbo isina kwayakarerekera yejenereta inosanganiswa ne-single-phase grounding transformer uye resistor.