| Chapa | Wone Store |
| Namba ya Modeli | Chapa ya aina ya magunyo ya kuvuna ishara inayokawalishwa na umagharibi |
| volts maalum | 12kV |
| Mkato wa viwango | 1250A |
| Kukutana kasi ya mwisho kwa current ya majanga | 31.5kA |
| Siri | MS4 |
MS4-12-630/20-XX series circuit breakers ni vifaa vya kuweka ndani kulingana na mekanizimu ya mzunguko wa magneeti semi-hard. Inatumika katika mikoa ya umeme AC yenye vitu ghati tatu na nguvu ya umeme imara inayohusishwa 12KV na taraka inayohusishwa 50-60Hz, kama chombo cha kuzingatia na kudhibiti. Inafaa sana kwa shughuli za mara kwa mara kwenye viwango vilivyo imara au kugawanya mara nyingi current za kiungo. Siri hii ya vifaa vya kugawanya current inajumuisha kitengo cha kugawanya current na moduli ya kutumia.
Mfumo wa vifaa vya kugawanya current
Kila ghati ina mekanizimu moja, ambayo inaelekezwa kwenye mstari na vacuum interrupter. Vitu ghati tatu vinavyoamsha vinajulikana kama coils zinazowezeshwa na umeme zinajulikana pamoja. Mekanizimu ghati tatu yanaenda kwa wakati mfano kupitia mstari wa kutosha na pia kuchapa tofauti ya mwonekano wa switch rasilmali.
Vacuum interrupter unatumia bellows ya nje, na bellows zinazozalishwa kwa kutumia upasuaji wa stainless steel. Urefu wa kufungua contacts ni 8mm na overtravel ni 2mm. Contacts zimeundwa kulingana na kanuni za magnetic field arc extinguishing yenye mzunguko mrefu.
Spring ya pressure ya contacts inaonekana kwenye insulating rod ili kuhakikisha ushirikiano muhimu kati ya moving na static contacts ya VI na kwamba shughuli zinazokubaliana zinajaribu kwa ufanisi wa viwango vya kazi.
Insulating frame imeundwa kwa kutumia SMC, ambayo inahifadhi vipimo vya juu na chini, operating insulating rods, flexible connections, vacuum interrupters na bidhaa mingine, kufanya kazi ya insulation na support.
Tumia
MS4-05/06 yanapatikana kwa air insulated switchgear, kwa ajili ya kuchagua mstari wa kugawanya arc, phase selection, bypass na tumizi nyingine.
Technology parameters
Namba |
Kitengo |
Unit |
MS4-05 |
MS4-06 |
1 |
Viwango vilivyo imara |
kV |
12 |
12 |
2 |
Viwango vilivyo imara |
A |
1250 |
1250 |
3 |
Viwango vilivyo imara ya power frequency |
kV |
42 |
42 |
4 |
Viwango vilivyo imara ya impulse |
kV |
85 |
85 |
5 |
Viwango vilivyo imara ya short circuit breaking current |
kA |
25 |
31.5 |
6 |
Viwango vilivyo imara ya peak withstand current |
kA |
63 |
80 |
7 |
Viwango vilivyo imara ya short-circuit withstand current |
kA |
25 |
31.5 |
8 |
Muda wa short circuit |
s |
4 |
4 |
9 |
Viwango vilivyo imara ya frequency |
Hz |
50 |
50 |
10 |
Umbali wa center wa ghati |
mm |
210 |
210 |
11 |
Umbali wa contacts |
mm |
8±0.5 |
8±0.5 |
12 |
Over travel |
mm |
2±0.5 |
2±0.5 |
13 |
Viwango vilivyo imara ya operation cycle |
- |
O-0.3s-CO-15s-CO |
|
14 |
Inherent closing time(don’t include DM time) |
ms |
< 25 |
< 25 |
15 |
Different time of closing operation |
ms |
≤2 |
≤2 |
16 |
Bouncing time |
ms |
≤2 |
≤2 |
17 |
Inherent opening time(don’t include DM time) |
ms |
5±0.5 |
5±0.5 |
18 |
Different time of opening operation |
ms |
≤2 |
≤2 |
19 |
Mechanical operations (CO-cycles) |
Times |
50000 |
50000 |
20 |
Rated short-circuit-breaking current time |
Times |
50 |
50 |
21 |
Idadi ya auxiliary switches |
pcs |
3NO+2NC |
|
22 |
Weight |
kg |
14 |
14 |
Note:Aluminum heat sinks need to be added.
Dimension
