A substation power transformer sits between the incoming power line and the local electrical system. It changes voltage for switchgear, cables, motors, and plant loads. On site, people first check stable running, clear nameplate data, safe temperature rise, and easy maintenance space.
For outdoor yards, oil immersed units are often easier when capacity is large. For indoor rooms, dry type units are practical when fire safety, ventilation, and floor height matter. The product should follow the real room, not only one catalogue model.
The substation power transformer range uses core and winding design for loss control, short-circuit strength, and lower noise. Before production, voltage, capacity, tap range, installation place, protection parts, and test needs should be checked together.
Product Parameters
|
Parameter |
Value |
|
Voltage level |
10 kV / 35 kV classes, selected by project |
|
Capacity range |
30 kVA to 40,000 kVA for dry type range |
|
Main structure |
Oil immersed, resin cast dry type, or amorphous alloy by model |
|
Core material |
Cold rolled silicon steel or amorphous alloy |
|
Cooling method |
Natural cooling or fan cooling by design |
|
Use place |
Substation, power room, plant distribution point |
|
Reference standard |
GB / IEC based design and factory test |
Components
The product can include core, winding, tank or resin cast body, tap changer, cooling parts, protection accessories, and nameplate. A substation power transformer order can also be checked with drawings, test report, packing list, and loading photos.
Main Applications
1. Medium voltage substations for plant or public distribution work.
2. Factory power rooms with motors, lighting, and workshop loads.
3. Grid upgrade jobs where loss, heat, or noise needs checking.
FAQ
Q: How should the capacity be chosen?
A: Use the load list, reserve plan, starting current, and operation time. Only copying the old transformer size may not be enough.
Q: Can it be used indoors?
A: Yes. Dry type units are common indoors, while oil immersed units need proper safety distance and site rules.
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