| Chapa | ROCKWILL |
| Namba ya Modeli | Mfumo wa kutumia viungo vya chumvi SF6 wa kiwango cha 40.5kV |
| volts maalum | 40.5kV |
| mfumo wa mafano | 50/60Hz |
| Siri | RMR |
Siri ya NG7-40.5 SF6 gas-insulated switchgear ni mchango wa kizazi cha pili la bidhaa ndogo zinazoundwa na kutengenezwa na Rockwill kulingana na IEC 62271-200.Ina mfululizo mengi na inaweza kuongezeka kwa urahisi, ambayo si tu inakidhi maagizo ya umeme, bali pia inakidhi mahitaji ya matumizi mbalimbali za sekondari kwa switchgear ndogo yenye uwezo wa kubadilika. Inatumika kwa wingi katika mitandao ya umeme ya umma, usafiri wa treni, nyumba za nishati mpya, mashamba ya jua, makumbusho ya upepo, data center na sehemu nyingine za nishati mpya.
Faida za Bidhaa
Viwango
|
Item |
Unit |
Value |
||
|
Load switch unit (C) Circuit breaker unit (V |
Load switch unit (C) Circuit breaker unit (V |
|||
|
Rated voltage (IEC/GB) |
kV |
36 / 40.5 |
||
|
Rated frequency |
Hz |
50 (60) |
||
|
Rated normal current * |
A |
630(x1.1) |
630/1250(x1.1) |
|
|
Rated short-duration power frequency voltage (1min) |
To earth & between phases (IEC/GB) |
kV |
70 / 95 |
|
|
Across the isolating distance (IEC/GB) |
80 / 118 |
|||
|
Rated lightning impulse voltage |
To earth & between phases (IEC/GB) |
kV |
170 / 185 |
|
|
Across the isolating distance (IEC/GB) |
195 / 215 |
|||
|
Rated power frequency voltage of control and auxiliary circuits (1min) |
kV |
2 |
||
|
Rated short-time withstand current & duration ** |
kA |
25/4 (20/4) |
||
|
Rated peak withstand current ** |
kA/s |
63 (52) |
||
|
Rated short-circuit breaking current ** |
kA |
- |
25 (20) |
|
|
Rated short-circuit making current ** |
kA |
63 (52) |
||
|
Mechanical endurance |
Circuit breaker |
- |
- |
10000 |
|
Load switch / Disconnector |
5000 |
|||
|
Earthing switch |
3000 |
|||
|
Rated functional pressure for insulation and interruption (relative at 20°C) |
Mpa |
0.04 |
||
|
Minimum functional pressure for insulation and interruption (relative at 20°C) |
Mpa |
0.02 |
||
|
Gas leakage rate |
/year |
≤ 0.01% |
||
|
Degree of protection |
Gas tank |
- |
IP67 |
|
|
Gas tank |
- |
IP4X, IK10 |
||
|
Internal arc classification AFLR |
kA/s |
16/1, 20/1, 25/1 |
||
|
Altitude |
m |
≤ 5000 |
||
|
Dimension (Width x Depth x Height) *** |
mm |
420 x 1000 x 1650 500 / 550 x 1000 x 1650 |
420 x 1000 x 1650 500 / 550 x 1000 x 1650 |
|
