| Brand | ROCKWILL |
| Numero ng Modelo | Serye ng 40.5kV na SF6 gas-insulated switchgear |
| Nararating na Voltase | 40.5kV |
| Narirating na pagsasalungat | 50/60Hz |
| Serye | RMR |
Ang serye NG7-40.5 SF6 gas-insulated switchgear ay isang bagong henerasyon ng miniaturized na produkto na nilikha at ginawa ng Rockwill ayon sa IEC 62271-200.Ito ay may iba't ibang kombinasyon at maaaring mapalawig nang maluwag, na hindi lamang sumasakto sa mga pangangailangan ng pagkakahati ng enerhiya, kundi din ang mga pangangailangan ng iba't ibang aplikasyon ng ikalawang distribusyon para sa maluwag na compact switchgear. Ito ay malawakang ginagamit sa pampublikong mga grid ng enerhiya, riles transportasyon, bagong enerhiyang E-house, solar farm, wind farm, data center at iba pang mga bagong enerhiyang sakop.
Mga Pangunahing Katangian
Mga Parameter
|
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 |
|
