Liphetho tsa morao-rao tsa lipatlisiso tsa ho tsoa ka mokhoa o itseng oa lisebelisoa tsa GIS li bonts'a hore ka lebaka la matla a phahameng a dielectric a SF6, nako ea ho phatloha ha karolo ea khase ea SF6 ka thepa ea GIS e khuts'oane haholo, hoo e ka bang li-nanoseconds tse 'maloa. hlooho ea maqhubu e na le nako e khuts'oane haholo.Nako ea ho phahama ke hoo e ka bang 1ns.Mofuta ona oa moepa o nang le nako e khuts'oane haholo, ho kenyelletsa le mats'oao ho fihla ho GHz, o tla hlahisa maqhubu a motlakase a phallang ka har'a casing ea lisebelisoa tsa GIS.High-frequency discharge pulse current e phalla ka terata ea fatše, 'me casing e hokahane fatše.E hlahisa matla a phahameng a maqhubu 'me e hlahisa maqhubu a motlakase sebakeng se potolohileng.Ho tsoa ka mokhoa o itseng ho tla baka keketseho ea tšohanyetso ea khatello ea khase ea mocha, ho hlahisa maqhubu a longitudinal kapa maqhubu a ultrasonic ka khase ea thepa ea GIS, le maqhubu a fapaneng a molumo, joalo ka maqhubu a longitudinal, maqhubu a pota-potileng le maqhubu a holim'a tšepe. kgetla.Ho tsoa ka mokhoa o sa fellang thepa ea GIS ho ka boela ha etsa hore khase ea SF6 e bole kapa e hlahise khanya.Liphetoho tsena tsa phello ea 'mele le ea lik'hemik'hale tse tsamaeang le ho lokolloa ha karolo e itseng ke motheo oa ho lemoha lisebelisoa tsa GIS Inthaneteng.Mekhoa ea ho lemoha ea ho ntša karolo e itseng ea thepa ea GIS e ka aroloa ka mekhahlelo e 'meli: mokhoa oa ho lemoha motlakase le mokhoa oa ho lemoha o se nang motlakase.mokhoa, mokhoa oa ho lemoha sehlahisoa sa khase ea SF6.
GDPD-300UF UHF Karolo ea Phallo ea Phallo ea Karolo
HV Hipot GDPD-300UF UHF partial discharge detector (UHF partial discharge instrument) e ka sebelisoa haholo ho lemoha mokhoa o sa fellang oa tsamaiso ea matla, ho kenyelletsa le switchgear e phahameng ea motlakase, ring main unit, voltage/current transformer, transformer (ho kenyeletsoa le boemo bo omileng ba Insulation state ea lisebelisoa tse kang li-transformer), GIS, mela e holimo, lithapo, joalo-joalo, tekanyo ea ho ntša thepa ea motlakase e lekantsoe ka matšoao a latelang.
Likarolo tsa Sehlahisoa tsa UHF Partial Discharge Detector
Lokisa li-sensor tse fapaneng ho fihlela tlhahlobo e sa fellang ea lisebelisoa tsohle tsa motlakase;
Sebopeho sa mochine oa motho se sebetsang hantle se thusa tsamaiso ea data ea lisebelisoa tse fapaneng, ho kenyelletsa le ho latelloa ha mekhoa ea histori ea data, tlhahlobo ea data e otlolohileng le e otlolohileng, 'me e hlokomela 360 ° tlhahlobo e feletseng ea lisebelisoa tse tlas'a teko;
Sensor e hahiloeng ka har'a ultrasonic le motlakase oa lefatše oa nakoana (oo ka morao o bitsoang TEV) sensor, e ka kopanngoang le li-sensor tse khethehileng tse kang li-transformer, GIS, mela e holimo le likhoele;
Mokhoa oa ho lemoha o sa tsitsang o amohetsoe, ha ho na ho hloleha ha matla ho hlokahalang nakong ea teko, 'me ha ho na mohloli o eketsehileng oa matla a phahameng a matla a hlokahalang, o leng bonolo ho o sebelisa ho feta mochine o tloaelehileng oa pulsed partial discharge;
Teko ea bandwidth ke 30kHz ~ 2.0GHz, e loketseng molao-motheo oa ho lemoha ha lihlopha tse fapaneng tsa maqhubu.
Nako ea poso: Feb-22-2022