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  • Power Arrester

Power Arrester

Tsanangudzo Pfupi

Function

Iyo inosunga inobatanidzwa pakati petambo uye pasi, kazhinji inopindirana nemidziyo yakadzivirirwa.Musungwa anogona kudzivirira zvinobudirira midziyo yekutaurirana.Pane imwe nguva 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 nekukasira kutungamira iyo yakakwira-voltage surge ikozvino kusvika pasi, nekudaro ichidzikamisa voltage amplitude uye kudzivirira kuvharirwa kwetambo dzekukurukurirana nemidziyo.Kana iyo overvoltage ichinyangarika, musungwa anokurumidza kudzoka kumamiriro ayo ekutanga, kuitira kuti mutsara wekutaurirana ushande zvakajairika.

Nokudaro, basa guru remusungwa nderokucheka kupindira kwekuyerera kwemafungu uye kuderedza kukosha kwepamusoro pemidziyo 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, asi zvakare kudzivirira kubva pakushanda yakakwira voltages.


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Kuziva Kwekutanga Kwemagetsi Arrester

Tsanangudzo: Inogona kuburitsa mheni kana ese emagetsi system inoshanda overvoltage simba, kudzivirira midziyo yemagetsi kubva kune yenguva pfupi yakawandisa (mheni yakawandisa, inoshanda overvoltage, simba frequency transient overvoltage shock), uye inogona kucheka freewheeling pasina kukonzeresa Chishandiso chemagetsi chinoita kuti dunhu ripfupi rifambe. iyo system pasi.

Basa: Kana iyo overvoltage ikaitika, mhepo pakati pematanho maviri emusungwa haapfuuri kukosha kwakatarwa, kuitira kuti midziyo yemagetsi isakuvadzwa nekupfuura;mushure mekunge iyo overvoltage yaiswa, iyo system inogona kukurumidza kudzoka kune yakajairika mamiriro kuti ive nechokwadi chenguva dzose magetsi ehurongwa.

Zvizhinji zviratidzo zvinobatanidzwa mune simba rekusunga simba
(1) Volt-yechipiri hunhu: inoreva hukama hunoenderana pakati pemagetsi nenguva.
(2) Power frequency freewheeling: inoreva simba frequency-short-circuit grounding current inoyerera nepakati mushure memheni yemagetsi kana overvoltage discharge kupera, asi magetsi frequency voltage achiri kushanda pane anosunga.
(3) Kuzvidzoresa kugona kwesimba re dielectric: hukama pakati pesimba re dielectric remidziyo yemagetsi uye nguva, ndiko kuti, kukurumidza kupora kune yekutanga dielectric simba.
(4) Iyo yakatemerwa voltage yeanosunga: iyo hombe yemagetsi frequency voltage iyo gap inogona kumira mushure meiyo simba frequency freewheeling ikozvino inoyambuka zero kekutanga, uye haizokonzerese kuti arc itonge, inozivikanwawo searc voltage.

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