1. Vanosungwa vane mazinga emagetsi akati wandei, kubva pa0.38kv low voltage kusvika 500kV UHV, nepo michina yekudzivirira pakuvhiya ichingove zvigadzirwa zvakaderera;
2. Zvizhinji zvezvisungo zvakasungirirwa pamutambo wekutanga kudzivirira kupindira kwakananga kwemheni, asi vazhinji vezvidziviriro zvekudzivirira vakaiswa pane yechipiri system, iyo inowedzerwa chiyero mushure mokunge musungwa abvisa kupindira kwakananga kwemheni wave; kana kana musungwa asingabvisi mheni wave zvachose;
3. Arrester arrester inoshandiswa kuchengetedza midziyo yemagetsi, nepo kudzivirira kudzivirira kunonyanya kushandiswa kuchengetedza zviridzwa zvemagetsi kana mamita;
4. Nemhaka yokuti musungwa akabatanidzwa kumagetsi ekutanga system, inofanira kunge iine zvakakwana kunze kwekuvharidzira kushanda, uye ukuru hwekuonekwa hwakakura.Nekuti iyo inodzivirira yekuvhiya yakabatana kune yakaderera voltage, saizi inogona kuve idiki kwazvo.
Surge inodzivirira mudziyo 1. Frequency kutendeuka control cabinet inofanira kuwedzerwa;2. Kudzora kabati uchishandisa vacuum circuit breaker inofanira kuwedzerwa;3. Kupinda kwekuchinja kwemagetsi ekugadzirisa magetsi kunofanira kuwedzerwa
4. Mamwe makabati ekudzora anogona kusawedzerwa.Zvechokwadi, kana pane nzvimbo yebhajheji yekuchengeteka, inogona kuwedzerwa
Zvishandiso zvekudzivirira zveSurge zvinowanzo kupatsanurwa kuita mhando mbiri: mota yekudzivirira mhando uye magetsi chiteshi chekudzivirira!
Iyo nenhevedzano yekuvhiya inodzivirira mudziyo inotora varistor ine yakanakisa nonlinear maitiro.Mumamiriro ezvinhu akajairwa, mudziyo wekudzivirira wekuvhiya uri munzvimbo yakakwira yekupokana, uye iyo yekuvuza ingangoita zero, kuitira kuti ive nechokwadi chekupihwa kwemagetsi kwesimba remagetsi anosunga.Kana iyo overvoltage ikaitika mumagetsi ekupa system, iyo simbi isina tsvina yekushongedza uye yekudzivirira inodzivirira ichakurumidza kuita muma nanoseconds kudzikamisa amplitude ye overvoltage mukati meiyo yakachengeteka yekushanda renji yemidziyo.Panguva imwecheteyo, simba re overvoltage rinobudiswa.Zvadaro, mudziviriri anokurumidza kuve yakakwirira yekupikisa nyika, saka haikanganisi yakajairika magetsi emagetsi system.
Surge dziviriro mudziyo (SPD) chinhu chakakosha mukudzivirira mheni yemidziyo yemagetsi.Yaimbonzi "surge arrester" kana "overvoltage protector", zvakadimburirwa seSPD muchirungu.Basa rekuvhiya kudzivirira mudziyo ndere kudzikamisa iyo inopfuudza overvoltage mutambo yemagetsi uye chiratidzo chekufambisa mutsara mukati meiyo voltage renji iyo mudziyo kana system inogona kutakura, kana kuburitsa mheni yakasimba muvhu, kuitira kuchengetedza midziyo yakachengetedzwa kana system. kubva pakukuvadzwa nekukanganisa.
Iwo marudzi uye zvimiro zvezvidziviriro zvekudzivirira zvakasiyana zvichienderana nemashandisirwo akasiyana, asi zvinofanirwa kunge zvine kanenge kamwe chete nonlinear voltage inodzikamisa chinhu.Izvo zvakakosha zvinoshandiswa muSPD zvinosanganisira kubuda gap, gasi rakazadzwa discharge chubhu, varistor, kudzvinyirira diode uye kudzipwa coil.
Nguva yekutumira: Jul-08-2021