| Marke | ROCKWILL |
| Numru tal-Model | 330 - 1000kV Komposti - Housed Metal Oxide Surge Arresters |
| Tal-Maxx ta' Voltiġi | 420kV |
| Rated frequency | 50/60Hz |
| Siri | YH20W |
Il-330 - 1000kV Composite - Housed Metal Oxide Surge Arresters huma dispozitivi protettivi importanti progettati għal sistemi ta' trasferiment u trasformazzjoni tal-kurrent elektromagnetiku f'voltaggi ultra-alt (UHV, 330kV sa 1000kV). Instabbilizzati fi sottostazzjonijiet UHV, linji ta' trasferiment mill-ġnien, u fl-ċossu tal-equipament kruċjali (pereżempju, transformaturi, switchgear gas-insulated), dawn l-arresters jiżvilupaw ħabs tat-tulija avvanzat (tipikament rubber silicone) integrat ma' varistors metal oksid (MOVs) ta' alto prestazzjoni. Il-loro ruħa prinċipali hija tissegwì l-overvoltages transjentili miftuħa minn colpi tal-barbaġann, operazzjonijiet tas-silġ, jew erori tal-grid. B'indirizzament tal-kurrenti tal-tulija eccessivi lil fuq il-terra u bil-manteniment ta' livelli stabili tal-voltagg waqt l-operazzjoni normali, jisiguraw ir-reliabilità tal-grids UHV 330 - 1000kV, prevenendu dani għall-equipament, interruzzjonijiet mhux pianifikati, u assicurandu it-trasferiment seamless ta' energja elektrika su-per-każ.
parametri
Model |
Arrester |
System |
Arrester Continuous Operation |
DC 1mA |
Switching Impulse |
Nominal Impulse |
Steep - Front Impulse |
2ms Square Wave |
Nominal |
Rated Voltage |
Nominal Voltage |
Operating Voltage |
Reference Voltage |
Voltage Residual (Switching Impulse) |
Voltage Residual (Nominal Impulse) |
Current Residual Voltage |
Current - Withstand Capacity |
Creepage Distance |
|
kV |
kV |
kV |
kV |
kV |
kV |
kV |
A |
mm |
|
(RMS Value) |
(RMS Value) |
(RMS Value) |
Not Less Than |
Not Greater Than |
Not Greater Than |
Not Greater Than |
20 Times |
||
(Peak Value) |
(Peak Value) |
(Peak Value) |
(Peak Value) |
||||||
YH20W1-828/1620W |
828 |
1000 |
638 |
1114 |
1460 |
1620 |
1782 |
8000 |
33000 |
YH20W1-600/1380 |
600 |
750 |
462 |
810 |
1135 |
1380 |
1462 |
2500 |
28000 |
YH20W1-648/1491 |
648 |
750 |
498 |
875 |
1226 |
1491 |
1578 |
2500 |
28000 |
YH20W1-420/1006 |
420 |
500 |
318 |
565 |
825 |
1006 |
1106 |
2000 |
18900 |
YH10W1300/727 |
300 |
330 |
228 |
425 |
618 |
727 |
814 |
1200 |
12600 |