HYXHX mndandanda wanzeru arc kupondereza chipangizo

Kufotokozera Kwachidule:

M'dziko langa lamagetsi a 3 ~ 35KV, ambiri aiwo ndi osalowerera ndale.Malingana ndi malamulo a dziko, pamene kukhazikitsidwa kwa gawo limodzi kumachitika, dongosololi limaloledwa kuyenda ndi vuto kwa maola a 2, zomwe zimachepetsa kwambiri mtengo wa ntchito ndikuwongolera kudalirika kwa kayendetsedwe ka magetsi.Komabe, chifukwa cha kuwonjezereka kwapang'onopang'ono kwa mphamvu yamagetsi yamagetsi, njira yoperekera mphamvu ndi Mzere wapamwambawu umasinthidwa pang'onopang'ono kukhala chingwe cha chingwe, ndipo mphamvu yamakono ya dongosolo pansi idzakhala yaikulu kwambiri.Dongosololi likakhazikika pagawo limodzi, arc yopangidwa ndi kuchuluka kwamphamvu kwamphamvu sikophweka kuzimitsa, ndipo imatha kusinthika kukhala yokhazikika yapakati.Panthawiyi, kuwonjezereka kwa arc grounding overvoltage ndi ferromagnetic resonance overvoltage yokondwa ndi izo zidzakhala Zikuwopsyeza ntchito yotetezeka ya gululi yamagetsi.Pakati pawo, gawo limodzi la arc-ground overvoltage ndilovuta kwambiri, ndipo kuwonjezereka kwa gawo lopanda cholakwika kumatha kufika 3 mpaka 3.5 nthawi yachibadwa yogwiritsira ntchito gawo.Ngati kuchulukitsitsa kwakukulu kotereku kumagwira pagululi yamagetsi kwa maola angapo, mosakayikira kuwononga kutsekemera kwa zida zamagetsi.Pambuyo kangapo kambirimbiri kuwonongeka kwa kutchinjiriza kwa zida zamagetsi, malo ofooka a kutchinjiriza adzapangidwa, zomwe zingayambitse ngozi ya kusweka kwa nthaka ndi kuzungulira kwapakati pakati pa magawo, ndipo nthawi yomweyo kumayambitsa kuwonongeka kwa zida zamagetsi (makamaka kuwonongeka kwa injini)), kuphulika kwa chingwe, machulukitsidwe a thiransifoma yamagetsi kumapangitsa kuti ferromagnetic resonance thupi liwotche, komanso kuphulika kwa womanga ndi ngozi zina.

Zambiri

Titumizireni imelo

Tsatanetsatane wa Zamalonda

Zolemba Zamalonda

Mafotokozedwe Akatundu

Pofuna kuthetsa vuto la nthawi yayitali la overvoltage ya arc grounding, ambiri a iwo ankakonda kuyika ma arc kupondereza ma coils pamalo osalowerera ndale kuti athe kubwezera capacitive panopa kuti atseke mwayi wa arc kuchitika pa vuto.Mwachiwonekere, cholinga cha njirayi ndi kuthetsa arc, koma chifukwa cha makhalidwe ambiri a arc kupondereza koyilo yokha, n'zovuta kubweza bwino mphamvu ya capacitive, makamaka kuwonongeka komwe kumachitika chifukwa cha chigawo chapamwamba chamagetsi ku zipangizo zamagetsi. sangagonjetsedwe.Pamaziko a coil kupondereza arc, kampani yathu yapanga chipangizo cha YXHX chanzeru cha arc kupondereza.

mfundo yogwirira ntchito

● Pamene dongosolo likuyenda bwino, woyang'anira microcomputer ZK wa chipangizocho mosalekeza amazindikira chizindikiro chamagetsi choperekedwa ndi PT voltage transformer.
● Pamene lotseguka makona atatu voteji U wa voteji thiransifoma PT wothandiza yachiwiri kutembenukira ku otsika mphamvu mkulu, zimasonyeza kuti dongosolo ndi cholakwika.Panthawi imeneyi, microcomputer Mtsogoleri ZK akuyamba yomweyo, ndipo nthawi yomweyo malinga ndi PT yachiwiri linanena bungwe siginecha Ua, Ub, Uc Change kuweruza vuto mtundu ndi kusiyana gawo:
A. Ngati ndi vuto limodzi la gawo limodzi la PT, chowongolera cha microcomputer ZK chidzawonetsa kusiyana kwa gawo ndi chizindikiro cha kulumikizidwa kwa vuto la kulumikizidwa, ndikutulutsa chizindikiro cholumikizira cholumikizira nthawi yomweyo.
B. Ngati ndi chitsulo pansi kulakwitsa, ndi microcomputer Mtsogoleri ZK adzasonyeza kusiyana gawo ndi pansi khalidwe chizindikiro cha vuto pansi, ndipo pa nthawi yomweyo linanena bungwe kungokhala chete lophimba kukhudzana chizindikiro.Komanso akhoza kutumiza kutseka kanthu lamulo kwa zingalowe contactor JZ mu nduna malinga ndi zofunika zapadera za wosuta., imatha kuchepetsa kwambiri kukhudzana ndi voteji ndi sitepe voteji, amene amathandiza kuonetsetsa chitetezo cha munthu.
C. Ngati ndi arc pansi kulakwa, ndi microcomputer Mtsogoleri ZK amasonyeza pansi kulakwitsa gawo kusiyana ndi zizindikiro pansi khalidwe, ndipo nthawi yomweyo akutumiza lamulo kutseka kwa zingalowe contactor JZ wa gawo cholakwika kusintha mwachindunji arc pansi mu chitsulo chachitsulo, ndi arc pansi chifukwa cha ziwiri Mphamvu ya arc pamapeto pake imachepetsedwa kukhala zero, ndipo kuwala kwa arc kuzimitsidwa.Ngati gululi mphamvu makamaka tichipeza mizere pamwamba, ndi zingalowe contactor JZ chipangizo adzakhala basi kutsegula pambuyo 5 masekondi.Ngati ndi vuto losakhalitsa, dongosololo lidzabwerera mwakale.Ngati ndi vuto lokhazikika, idzagwiranso ntchito kuti ichepetse kuwonjezereka kwamagetsi.Ntchito ndi linanena bungwe passive lophimba kukhudzana chizindikiro
D. Ngati chipangizocho chili ndi ntchito yosankha mzere wodziwikiratu, pamene magetsi achiwiri otsegula katatu U wa voltage transformer PT amathandizira kuchoka ku mphamvu zochepa kupita kumtunda wapamwamba, gawo laling'ono lamakono losankha mzere wapansi nthawi yomweyo limapanga deta pa zero-sequence current. ya mzere uliwonse Ngati palibe vuto limodzi la gawo limodzi, lidzabwerera mwakale;ngati pali vuto lachitsulo pansi, mzere wolakwika udzasankhidwa molingana ndi matalikidwe a zero-sequence current of the line.Kusonkhanitsa deta kukuchitika pa zero-sequence current ya mzerewu, ndipo mzere wolakwika umasankhidwa molingana ndi mfundo yakuti mutation kuchuluka kwa mzere wolakwika ndi waukulu kwambiri isanayambe kapena itatha arc kuzimitsidwa.

Zowonjezera za chipangizocho

● Chipangizochi chikhoza kukhala ndi ntchito yosankha mzere wodziwikiratu malinga ndi zomwe wogwiritsa ntchito akufuna.
●Chida chaching'ono cha HYLX chamakono chosankha mzere woyambira wopangidwa ndi kampani yathu makamaka chimasankha mzerewo molingana ndi matalikidwe a zero-sequence current of the line pamene dongosolo liri ndi chitsulo, ndikusankha mzerewo makamaka potengera kusintha kwadzidzidzi kwa zero. -kutsatizana kwamakono kwa mzere musanayambe ndi pambuyo pake chipangizocho chikugwira ntchito pamene dongosolo likukhazikitsidwa ndi kuwala kwa arc.Imagonjetsa zofooka za chipangizo chosankhidwa bwino cha mzere, monga liwiro la kusankha mzere wapang'onopang'ono ndi kulondola kwa kusankha kwa mzere wochepa pamene arc yakhazikika.
● Chipangizochi chikhoza kukhala ndi ntchito yochotsa (kuchotsa) resonance (vibration) malinga ndi zofuna za ogwiritsa ntchito.
● Chipangizochi chikhoza kukhala ndi thiransifoma yapadera yotsutsana ndi machulukidwe opangidwa ndi kampani yathu komanso chotsitsa chomaliza cha resonance, chomwe chimawononga kwambiri mawonekedwe a ferromagnetic resonance ndikupewa "kuwotcha PT" ndi "Inshuwaransi ya PT" ngozi;imathanso kukhala ndi chipangizo chochotsera ma microcomputer resonance kuchotsa ferromagnetic resonance malinga ndi zosowa za ogwiritsa ntchito.

mankhwala chitsanzo

kuchuluka kwa ntchito
● Chipangizochi ndi choyenera 3 ~ 35kV medium voltage power system;
Chipangizocho ndi choyenera kwa machitidwe a mphamvu pomwe malo osalowerera ndale sali okhazikika, mfundo yosalowerera ndale imakhazikitsidwa kudzera mu coil kupondereza kwa arc, kapena malo osalowerera ndale amakhazikitsidwa kupyolera mu kukana kwakukulu;
● Chipangizochi ndi choyenera ma gridi amagetsi omwe amayendetsedwa ndi mizere ya chingwe, ma gridi osakanikirana amagetsi a zingwe ndi mizere yopita pamwamba, ndi ma gridi amagetsi omwe amalamulidwa ndi mizere yapamwamba.

Magawo aukadaulo

Mawonekedwe
Pamene chipangizocho chikugwira ntchito bwino, chimakhala ndi ntchito yoyika thupi lakufa mu kabati;panthawi imodzimodziyo, ili ndi ntchito ya alamu yowonongeka kwa dongosolo ndi kutsekereza;dongosolo zitsulo pansi vuto Alamu, ntchito posamutsa dongosolo pansi mfundo zolakwa;ntchito yochotsa kuwala kwa arc grounding ndi resonance system;low voltage ndi overvoltage alarm ntchito;ndi ntchito yojambulira zidziwitso monga nthawi yochotsa ma alarm, nthawi yolakwika, kusiyana kwa gawo lolakwika, voteji yamagetsi, kutsegula ma voliyumu atatu opanda mphamvu, ndi mphamvu yapansi panthaka, yomwe ndi yabwino kuwongolera ndi kusanthula zolakwika.
●Pamene gawo limodzi pansi kulakwitsa kumachitika mu dongosolo, chipangizo akhoza mwachindunji pansi gawo lolakwika kudzera wapadera gawo-kugawanika zingalowe contactor pafupifupi 30mS.Ngati arc itakhazikika, arc idzazimitsidwa nthawi yomweyo, ndipo kuwonjezereka kwa arc pansi kudzakhazikika pamlingo wamagetsi pa intaneti, zomwe zingathe kupeweratu Gawo-to-gawo lalifupi dera lomwe limayambitsidwa ndi kukhazikitsidwa kwa gawo limodzi ndi ngozi ya kuphulika kwa womangidwa chifukwa cha ngozi. arc grounding overvoltage;ngati ndizitsulo zazitsulo, zimatha kuchepetsa kwambiri magetsi okhudzana ndi magetsi, zomwe zimathandiza kuonetsetsa kuti munthu ali ndi chitetezo (chitsulo chokhazikika chikhoza kukhazikitsidwa malinga ndi zofuna za wogwiritsa ntchito));ngati ntchito gululi mphamvu molamulidwa ndi mizere pamwamba, ndi zingalowe contactor adzakhala basi kutsegula chipangizo ntchito kwa masekondi 5.Ngati ndi vuto losakhalitsa, dongosololo lidzabwerera mwakale.Chepetsani zotsatira za overvoltage.
●Pakachitika vuto la kulumikizidwa kwadongosolo, chipangizocho chimawonetsa gawo loletsa kulumikizidwa ndi ma siginecha olumikizana nawo nthawi imodzi, kuti wogwiritsa ntchito athe kutseka modalirika chida choteteza chomwe chingayambitse kusokonekera chifukwa chakutha.
● Ukadaulo wapadera wapachipangizo wa “intelligent switch (PTK)” utha kuletsa kumveka kwa ferromagnetic resonance, komanso kuteteza ku ngozi monga kupsa ndi kuphulika kochitika chifukwa cha kumveka kwa makina.
● Chipangizochi chili ndi mawonekedwe a RS485 ndipo chimatengera njira yolumikizirana ya MODBUS kuti zitsimikizire kuti chipangizochi chikugwirizana ndi dongosolo lonse loyang'anira ndikuzindikira kutumiza kwa data ndi ntchito zakutali.

Zina magawo

chachikulu mbali
1. Chipangizocho chimagwira ntchito mofulumira, ndipo chikhoza kuchitapo kanthu mwamsanga mkati mwa 30}40ms, zomwe zimafupikitsa kwambiri nthawi ya arc imodzi-gawo;
2. Arc ikhoza kuzimitsidwa mwamsanga chipangizocho chikagwira ntchito, ndipo arc grounding overvoltage ikhoza kuchepetsedwa bwino mkati mwa mzere wamagetsi;
3. Pambuyo pa chipangizochi, dongosolo la capacitive panopa limaloledwa kudutsa mosalekeza kwa osachepera 2} maola a 1, ndipo wogwiritsa ntchito amatha kuthana ndi mzere wolakwika atamaliza ntchito yosinthira kutumiza katunduyo;
4. Ntchito yachitetezo cha chipangizocho sichimakhudzidwa ndi kukula ndi mawonekedwe a gridi yamagetsi;
5. Chipangizocho chimakhala ndi ntchito yotsika mtengo, ndipo thiransifoma yamagetsi momwemo imatha kupereka ma voliyumu amagetsi a metering ndi chitetezo, m'malo mwa osinthira wamba;
6. Chipangizocho chili ndi kachipangizo kakang'ono kamene kamasankha mzere wapansi, womwe ukhoza kuwongolera kwambiri kulondola kwa kusankha kwa mzere pogwiritsa ntchito chikhalidwe cha kusintha kwakukulu kwa zero-sequence panopa ya mzere wolakwika isanayambe ndi itatha arc kuzimitsidwa.
7. Chipangizocho chimatengera kuphatikiza kwa odana ndi machulukitsidwe voteji thiransifoma ndi wapadera pulayimale panopa malire resonance eliminator, amene angathe kupondereza ferromagnetic resonance ndi bwino kuteteza PT;
8. Chipangizochi chili ndi arc light grounding fault wave recording function, yomwe imapereka deta kwa ogwiritsa ntchito kusanthula ngozi.

Zam'mbuyo: HYSVG Static Var Jenereta

Ena: Seti yathunthu yosinthira ma arc kupondereza coil