E ka ts'oaroa ka har'a khabinete ea switch kapa ea kenngoa kariking ea letsoho.
Ts'ebetso e tsitsitseng le ho kenya habonolo.
Vacuum Indoor Circuit Breaker Product Scope
Medium voltage circuit breakers bakeng sa kabo ea mantlha ho fihla ho 24 kV, 3150 A (4000*), 50 kA.
Circuit Breaker Key Melemo
1.Mohaho o bonolo.
2. Adapt ultra low resistance type vacuum interrupter.
3.Adapt optimization le mokhoa oa ho sebetsa oa selemo oa modular.
4.E loketse liketsahalo tse nang le ts'ebetso khafetsa.
5.Tlhokomelo ea mahala le bophelo bo bolelele ba tšebeletso.
6.Ts'ebetso e phahameng e ka tšeptjoang.
vcb phanele ka hare ho ntlo vacuum seketsoana diphanele 11kV vcb phanele
Maemo a Tikoloho
Mocheso oa tikoloho: -40°C~+40°C (ka tlase ho 35°C nakong ea lihora tse 24)
Mongobo o itseng: ≤95% (karolelano ea letsatsi le letsatsi) kapa ≤90% (karolelano ea khoeli le khoeli)
Boima: ≤ 1000m
Mochini oa ts'ebetso ke mofuta oa motlakase o bolokiloeng o sa tsamaeeng o nang le ho bula le ho koala ho ikemetseng ho sa tsotelehe ketso ea opareitara.Mokhoa oa ts'ebetso o sebelisoa haholo ho li-circuit-breaker tsohle tsa VD4-R tse nang le taolo e ka pele.
Sekhechana sa potoloho se ka laoloa hole ha se kentsoe lisebelisoa tsa motlakase tse inehetseng (gearmotor, ho bula le ho koala tokollo).
Mochini oa ts'ebetso, lipalo tse tharo le li-sensor tsa hajoale (haeba li fanoe) li kentsoe holim'a foreimi ea tšepe ntle le mabili.Mohaho o na le compact ka ho khetheha, o tiile ebile o boima bo fokolang.
VD4-R letoto la li-circuit-breaker tse nang le mekhoa ea ho sebetsa ka morao ke lisebelisoa tsa khatello tse tiisitsoeng bophelo bohle.(Melao ea IEC 62271-100)
Vacuum-circuit-breaker | **4/R 12 | **4/R 17 | **4/R 24 | |||||||
Litekanyetso | * | * | * | |||||||
Matla a lekantsoeng | Ur(kV) | 12 | 17.5 | 24 | ||||||
Tekanyetso ea motlakase oa insulation | Us(kV) | 12 | 17.5 | 24 | ||||||
E mamella voltage ho 50Hz | Ud(kV) | 28 | 38 | 50 | ||||||
Tšusumetso e mamella voltage | Holimo(kV) | 75 | 95 | 125 | ||||||
E lekantsoe khafetsa | fr(Hz) | 50-60 | 50-60 | 50-60 | ||||||
E lekantsoe mocheso oa motlakase | Ir(A) | 630 | 800 | 1250 | 630 | 800 | 1250 | 630 | 800 | 1250 |
Rated duty breaking capacity (symmetrical rated short-circuit current) | Isc(kA) | 12.5 | / | / | 12.5 | / | / | 12.5 | / | / |
16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | ||
20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | ||
25 | 25 | 25 | 25 | 25 | 25 | / | / | / | ||
Nako e khuts'oane ea ho mamella hona joale(3s) | Ik(kA) | 12.5 | / | / | 12.5 | / | / | 12.5 | / | / |
16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | ||
20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | ||
25 | 25 | 25 | 25 | 25 | 25 | / | / | / | ||
Ho etsa bokgoni | Ip(kA) | 31.5 | / | / | 31.5 | / | / | 31.5 | / | / |
40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | ||
50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | ||
63 | 63 | 63 | 63 | 63 | 63 | |||||
Ho etsa bokgoni | * | * | * | |||||||
Nako ea ho bula | ms | 40...60 | 40...60 | 40...60 | ||||||
Arcing nako | ms | 10...15 | 10...15 | 10...15 | ||||||
Kakaretso ea nako ea khefu | ms | 50...75 | 50...75 | 50...75 | ||||||
Nako ea ho koala | ms | 30...60 | 30...60 | 30...60 | ||||||
Khoutu | Liphetolelo tse fumanehang | |||||||||
Konopo ea ho koala | **4 li-circuit-breaker tse nang le mochini o sebetsang oa lateral lia fumaneha liphetolelo tse latelang: | |||||||||
Sesupo se bulehileng/se koetsoeng | ||||||||||
E tlositsoe | Sebaka-bohareng P=()mm | E tsitsitse | E tlosehang | |||||||
Counter ea ts'ebetso | 210 | 210 | ||||||||
Sehele sa ho tjhaja ka bowena | 230 | 230 | ||||||||
Ho bula konopo | 250 | 250 | ||||||||
Relay ea tšireletso | 275 | 275 | ||||||||
Lebokose la ho tsamaisa thepa | 300 | 300 | ||||||||
Transformer ea hona joale | 310 | 310 | ||||||||
Polo |