| Marke | ROCKWILL |
| Numru tal-Model | Serieġ 40.5kV ta' apparati tal-abbassament tal-korrent isuldati b'gass SF6 |
| Tal-Maxx ta' Voltiġi | 40.5kV |
| Rated frequency | 50/60Hz |
| Siri | RMR |
Il-serje NG7-40.5 ta’ switċġerija isolata b’gass SF6 hija ġenerazzjoni ġdida ta’ prodotti miniaturizzati disegnati u manufatturati mill-Rockwill skont IEC 62271-200.Hi tħallilha varjetà ta’ kombinazzjonijiet u tista’ tiżviluppa fleksibilment, li mhux biss tgħaddi l-iktar tal-talbiet għal distribuzzjoni tal-enerġija, imma wkoll tgħaddi l-bisogħ għal applikazzjonijiet diversi ta’ distribuzzjoni sekondarja għal switċġerija kompakta fleksibbli. Hi tistenna amministratament fejn huwa amministrat, u hi tinsab diffusa fil-grids pubbliċi tal-enerġija, f’transport ferroviż, f’case tal-enerġija novi, f’farms solari, f’farms eoliċi, f’database centers u f’xorri oħra ta’ enerġija novi.
Vantaggi tal-Prodotto
Parametri
|
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 |
|
