| Chapa | ROCKWILL |
| Namba ya Modeli | 330 - 1000kV Composite-Housed Metal Oxide Surge Arresters |
| volts maalum | 420kV |
| mfumo wa mafano | 50/60Hz |
| Siri | YH20W |
Vifaa vya kuzuia mawimbi ya umeme 330 - 1000kV Composite - Housed Metal Oxide ni vifaa muhimu vilivyoundwa kwa ajili ya mikabilio ya umeme wa kiwango cha juu sana (UHV, 330kV hadi 1000kV) na mabadiliko ya umeme. Vifaa hivi vinatumika katika miundombinu ya UHV, misosho ya kutumia umeme kwa umbali, na pamoja na vifaa muhimu (kama vile transformers, gas-insulated switchgear), vinatumia nyumba za composite za teknolojia mpya (kawaida silicone rubber) zilizounganishwa na metal oxide varistors (MOVs) yenye ufanisi. Kazi yao muhimu ni kupunguza mawimbi ya kimuda yanayotokana na mwangaza, matumizi ya kubadilisha, au magonjwa ya grid. Kwa kutumia namba za mawimbi kwa ardhi na kukidhi viwango vya umeme wakati wa utendaji wa kawaida, vifaa hivi huhamia uhakika wa mitandao ya umeme wa UHV 330 - 1000kV, kusimamia upungufu wa vifaa, uzembe wa usawa, na kuweka huru tuma kwa kina kubwa ya umeme.
parameters
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 |