| Varumärke | ROCKWILL |
| Modellnummer | 40.5kV series SF6 gas-insulated switchgear |
| Nominell spänning | 40.5kV |
| Nominell frekvens | 50/60Hz |
| Serier | NG7 |
NG7-40.5 serien SF6 gasisoleringsskåp är en ny generation av miniatyriserade produkter som utformats och tillverkats av Rockwill i enlighet med IEC 62271-200.Det har en mängd olika kombinationer och kan flexibelt utvidgas, vilket inte bara uppfyller kraven för elfördelning, utan också behoven för olika sekundära fördelningsapplikationer för flexibla kompakta skåp. Det används omfattande inom offentliga nät, spårbane, ny energi E-house, solpark, vindpark, datacenter och andra nya energiområden.
Produktfördelar
Parametrar
|
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 |
|
