| Handelmerk | ROCKWILL |
| Modelnommer | 40.5kV reeks SF6-gasgeïsoleerde swaar apparatuur |
| Gedraaide Spanning | 40.5kV |
| Gedraaide frekwensie | 50/60Hz |
| Reeks | RMR |
Die NG7-40.5 reeks SF6 gasgeïsoleerde skakeltoestel is 'n nuwe generasie miniaturiseer produk wat deur Rockwill volgens IEC 62271-200 ontwerp en vervaardig is. Dit het 'n verskeidenheid kombinasies en kan flexibel uitgebrei word, wat nie net aan die vereistes van kragverspreiding voldoen, maar ook aan die behoeftes van verskeie sekondêre verspreidings-toepassings vir flexibele kompakte skakeltoestelle. Dit word wyd gebruik in openbare kragnette, spoorwegvervoer, nu-energie E-huis, sonkragpark, windpark, data sentrum en ander nu-energie velde.
Produk Voordelye
Parameters
|
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 |
|
