Iyo inosunga inobatanidzwa pakati petambo uye pasi, kazhinji inopindirana nemidziyo yakadzivirirwa. Musungwa anogona kudzivirira zvinobudirira midziyo yekutaurirana. Kamwe kamwe magetsi asina kujairika aitika, anosunga achaita uye achaita basa rekudzivirira. Kana tambo yekukurukurirana kana midziyo iri kushanda pasi penguva dzose yekushanda voltage, musungwa haashande, uye inoonekwa sedunhu rakavhurika pasi. Kana magetsi akakwira uye kuvharwa kwemidziyo yakadzivirirwa kwaiswa mungozi, anosunga achaita nekukurumidza kutungamira iyo yakakwira-voltage kuvhiya ikozvino pasi, nekudaro ichidzikamisa voltage amplitude uye kudzivirira kuvharirwa kwetambo dzekukurukurirana nemidziyo. Kana iyo overvoltage ichinyangarika, musungwa anokurumidza kudzokera kumamiriro ayo ekutanga, kuitira kuti mutsara wekutaurirana ushande zvakajairika.
Nokudaro, basa guru remusungwa nderokucheka kupindira kwekuyerera kwemafungu uye kuderedza kukosha kwepamusoro kwemidziyo yakadzivirirwa kuburikidza nekushanda kweparallel discharge gap kana nonlinear resistor, nokudaro kudzivirira mutsara wekukurukurirana uye midziyo. Mheni inosunga inogona kushandiswa kwete chete kudzivirira kubva kune yakakwira voltages inogadzirwa nemheni, asiwo kudzivirira kubva pakushanda yakakwira voltages.
Basa remusungwa ndere kuchengetedza zvakasiyana-siyana zvemagetsi musimba remagetsi kubva pakukuvadzwa nemheni overvoltage, kushanda overvoltage, uye simba frequency transient overvoltage. Mhando huru dzezvisungo ndeyekudzivirira gap, valve arrester uye zinc oxide arrester. Iyo gaka rekudzivirira rinonyanya kushandiswa kudzikamisa kuwedzeredza kwemuchadenga, uye rinowanzo shandiswa kuchengetedza chikamu chinopinda mutsara wemagetsi ekugovera sisitimu, mitsara uye substations. Valve type arrester uye zinc oxide arrester inoshandiswa kuchengetedza zviteshi uye zvidyarwa zvemagetsi. Mune masisitimu e500KV uye pazasi, iwo anonyanya kushandiswa kudzikamisa overvoltage yemhepo. Backup kudzivirira.
Nguva yekutumira: Feb-23-2022