Umkhiqizo Dumbhalo:
IZGLEDUNUmkhiqizo wochungechunge lwe-LDSCB yi-I-SPDozinikele surge isipele umvikeli.Ingakwazi ukuxazulula ngokuphumelelayo ingozi yomlilo ebangelwa ukuwohloka komvikeli wombani kanye nokuhluleka kwegridi yamandla, futhi ixazulule ukwehluleka komvikeli wombani okubangelwa ukungasebenzi kahle kwedivayisi yokuvikela isipele okubangelwa umbani.Lesi sivikeli sokuhlinza siqinisekisa ukuthi isivikeli sokuhlinza (SPD) asibambi umlilo, futhi ukuvikela umbani kwemishini kuyaqhubeka nokusebenza kahle.Njengamanje, ama-fuse noma ama-circuit breaker asetshenziswa kabanzi ekusebenzisaneni ne-SPD.Uma i-SPD ihluleka noma i-short-circuits, izodala umlilo.I-Seies LDSCB yakhelwe ngokukhethekile i-SPD.Ngeke inqamuke ngaphansi kombani omkhulu.Kepha ingaphuka ngokushesha lapho imvamisa yamandla amancane kwenzeka ngemuva kokuhluleka kwe-SPD.
Izici:
◆I-SCB ingakwazi ukufeza ukuphulwa okukhethekile kwe-voltage yamandla adlulisiwe kanye nombani wamanje, okungavikela ngempumelelo isivikeli sokuhlinza se-SPD ngenxa yokuwohloka okubangela ukuba i-voltage yokuqala ye-SPD yehle ngaphansi kwe-voltage yokuphakelwa kwamandla, kanye nokukhuphuka kwamandla okuvuza kwamandla, okubangela. izingozi zomlilo ezimbi kakhulu.
◆ Uma i-SPD inombani odlulayo, i-SGB exhunywe ochungechungeni ngaphambili kwe-SPD ingaqinisekisa ukuthi umbani ngeke ukhubeke, kulimaze, futhi ukuvikela kombani kuzoqhubeka nokusebenza kahle;
◆Inani Le-UP (inani lezinga lokuvikelwa kwamandla kagesi) le-SCB liphansi kakhulu uma lidlula ukuduma kwezulu;
◆Kusetshenziswa indlela yohambo lokulawula ipharamitha, kanye nokufakwa ngesitimela esingumhlahlandlela esingu-35mm.
Imingcele Eyinhloko Yezobuchwepheshe | ||||
Imodeli | I-LDSCB-A12.5 | I-LDSCB-A15 | I-LDSCB-A25 | I-LDSCB-A50 |
I-Shock Wave engaqhubi | 12.5kA(10/350μs) | 15kA(10/350μs) | 25kA(10/350μs) | 50kA(10/350μs) |
I-Residual Pressure Up | < 1000V | < 1000V | < 1500V | < 1500V |
Ikalwe I-Voltage Operational Ue | 120V/230V/400V AC | |||
I-Residual Pressure Up 20kA(8/20μs) | <300V | |||
Inani Lohambo Lwamanje Lo (Ngokushesha) | 2A±5%(2~5A) Ongakukhetha | |||
Isikhathi Samanje Sokuphuka Kwemvamisa Yamandla (Ukuya) | < 0.1s | |||
Uhambo Lwamanje Lokubambezeleka Lwemvamisa Yamandla | I-500mA-3A Yamanje Yokuzikhethela (ayiyona ejwayelekile futhi ikhethwe yikhasimende) | |||
Isikhathi Samanje Sokubambezeleka Kwemvamisa Yamandla | 1s~120s Isikhathi Ongakhetha Ngaso (akusona esijwayelekile futhi sikhethwe ikhasimende) | |||
Inkinobho Yokuhlola | Ukuqinisekiswa kwesistimu yokukhubeka (kanye ngenyanga) | |||
Izinga Lokuvikela Igobolondo | IP20 | |||
I-Crimping Screw | M6 | |||
Indawo yokufaka | Kufakwe ngaphambi kwe-SPD | |||
I-Connecting Wire Section | 4-16mm2 | |||
Isenzo Sokuvikela Ngenxa Yezinga Lokushisa Le-Ambient | Shintsha phakathi -25℃ kanye +60℃ | |||
Indawo Yesitoreji | Izinga lokushisa -40℃~75℃ Umswakama ohlobene <95% (ngaphansi kuka-25℃) | |||
Indawo Yokusebenzela | Izinga lokushisa -25℃-60℃ Umswakama ohlobene <95% (ngaphansi kuka-25℃) |
OkuyinhlokoSisakhiwo kanyeWorkingPi-rinciple:
Le SPD enembobo eyodwa, umsebenzi wokuvikela ukushaqeka, ukufakwa okungaguquki kwasendlini, kanye nohlobo olunomkhawulo kagesi.
I-SPD inesixhumi esakhelwe ngaphakathi.Uma i-SPD yehluleka ngenxa yokushisa ngokweqile noma ukuwohloka, isinqamuli singasinqamula ngokuzenzakalelayo kugridi futhi sinikeze isignali yenkomba ngesikhathi esifanayo.Isikhombi esibonakalayo simhlophe uma i-SPD isebenza ngokujwayelekile, futhi sibomvu uma yehluleka ukukhipha.
I-IP+N, 2P+N, ne-3P+N ngokulandelana kwayo yenziwe amamojula e-SPD+NPE okuvikela iqanda le-IP, 2P, ne-3P, asetshenziswa ezinhlelweni zokuphakela amandla njenge-TT ne-TN-S.