Maitiro ekudzivirira zvinobudirira matambudziko e overvoltage panguva yekushanda kwe substation

Muchigadziro chekushanda kwete-loader transformer, pachava nechiitiko chisingadzivisiki chemuviri, kureva, kugurwa.Dambudziko rekushanda overvoltage nekuda kwekucheka-kubviswa kwedunhu rinotyora rinogona kudzivirirwa nekutora matanho anotevera:

1. Kuvandudza simbi yesimbi

Kuvandudza iyo musimboti wesimbi kune imwe mhedzisiro pakudzikisa iyo isina-mutoro ikozvino.Nekuti iyo magnetizing ikozvino uye yekurasikirwa kwesimbi ikozvino pamwe chete kunogadzira iyo isina-mutoro ikozvino, uye iyo magnetizing ikozvino inoburitsa magineti, uye iyo iron yepakati kurasikirwa kunokonzera iyo iron kurasikirwa ikozvino, saka iyo simbi musimboti we transformer ndicho chinhu chakakosha kuderedza hapana-mutoro ikozvino.Kuwedzera kuvandudza chimiro chepakati uye kuvandudza kunaka kwesimbi musimboti matanho maviri ekutanga.Mbeu dzinotonhora-dzakakungurutswa dzinogona kushandiswa pachinzvimbo chesilicon simbi mashiti, nekuti iyo magineti permeability system yezviyo inotonhora-yakakungurutswa yakakwira.Kana iyo transformer yakagadziridzwa, iyo musimboti wesimbi inofanirwa kuongororwa uye kuongororwa zvakanyatsoenderana neakakodzera emhando zviyero.

2. Mhepo inotora tangled type

                                                               HV HIPOT GDB-P otomatiki shanduri inoshandura chiyero chekuyedza

Iyo 220kV transformer ndiyo core transformer.Kana iyo nzira yemhepo yakasungirirwa mhepo, iyo parasitic capacitance ye transformer ichawedzera.Iyo yakasungirirwa inotenderera ndeyekuisa imwe kutendeuka kwemhepo yakananga pakati pemagetsi akatarisana anotendeuka, kuitira kuti iyo longitudinal capacitance yemhepo inoputika iwedzere, uye iyo chaiyo inogona mutsauko pakati pekutendeuka kwepedyo ichawedzera kuwedzera, kuitira kuti pamberi peMuchiitiko ye overvoltage phenomenon, iyo yekutanga voltage inogona kugoverwa zvakaenzana pakati pekutendeuka.

3. Shandisa shanduko ine parallel resistor

Parizvino yekucheka-kubviswa, iyo magineti simba mune inductor ichashandurwa kuita simba remagetsi kuchaja iyo capacitor.Panguva ino, kana shanduko yakabatanidzwa mukufanana neinopikisa, iyo magnetic field energy muinductor inogona kusunungurwa.Mushure mokunge shanduko ine parallel resistance yakavharwa pamberi pekucheka-kubviswa kwezvino, shanduko inopindirana inopikisa ipfupi-inotenderera.Mushure mekucheka kwazvino, shanduko inoteya iyo R84Th N resistor kuti iite ikozvino, kuitira kuti iyo magineti simba mune inductor ichapedzwa.