HOME > Products > Epoxy cast resin electric device > RISHO special purpose transformer > Grounding tranformer
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Installed in equipment which neutral point is hard to be grounded,such
as Wind generation or Micro gas turbine system.
Generally,Grounding transformers are designed at short time rating.
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Property
- Excellent in crack,moisture or pollution resistance.
- Durable against sudden change of Voltage or Current.
- Installable in Cubicle or Factory
- Low zero-phase-sequence impedance
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| Representative specifications of 3-phase grounding transformer |
Rated
capacity
(kVA) |
Rated time |
Voltage
(V) |
Frequency
(Hz) |
Connection |
Dimension
(mm) |
Mass
(kg) |
| Width |
Depth |
Height |
| 40 |
Continuous |
6600/190 |
50 |
Y-△ |
800 |
400 |
855 |
350 |
| 75 |
Continuous |
6600/190 |
800 |
400 |
1135 |
510 |
| 400 |
30sec. |
14400/240 |
60 |
Y―Open△ |
1220 |
560 |
1035 |
750 |
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| Representative specifications of single-phase grounding transformer |
Rated
capacity
(kVA) |
Rated
time |
Voltage
(V) |
Frequency
(Hz) |
Connection |
Dimension
(mm) |
Mass
(kg) |
| Width |
Depth |
Height |
| 50 |
10 min. |
6600/190 |
50 |
1ΦG |
475 |
325 |
878 |
160 |
| 75 |
10sec. |
11000/220 |
690 |
470 |
1129 |
390 |
| 100 |
1 min. |
11000/220 |
700 |
540 |
780 |
315 |
| 150 |
10 min. |
13800/240 |
760 |
600 |
1260 |
570 |
| 300 |
5 min. |
13800/240 |
640 |
650 |
1120 |
410 |
| 20 |
30 min. |
3300/190 |
60 |
435 |
340 |
728 |
140 |
| 40 |
30 min. |
6600/190 |
500 |
360 |
843 |
210 |
| 100 |
10 min. |
13800/240 |
640 |
400 |
1070 |
410 |
| 150 |
1 min. |
18000/208 |
690 |
490 |
1280 |
420 |
| 200 |
10sec. |
19500/208 |
690 |
490 |
1490 |
530 |
* Product with cutomized specification is also available
*Dimensions or mass might be changed without notice. |
