Products
300 KVA Oil Filled Transformer
Power Rating:300KVA
Voltage Ratio:11/0.433 KV
System Highest Voltage:12.5 KV
System Frequency:50 Hz
Type of Cooling:ONAN
Features
Product Parameters:
|
Standards |
IEC 60076 |
|
Indoor/Outdoor installation |
Outdoor |
|
Min Ambient Temp (°C) |
5 |
|
Max. Ambient Temp (°C) |
50 |
|
Max. Humidity (%) |
100% |
|
Altitude (m) |
sea level - 3000 m |
|
Type |
three phase oil immersed core type transformer |
|
Power Rating (KVA) |
300KVA |
|
Voltage Ratio (KV) |
11/0.433 KV |
|
System Highest Voltage (KV) |
12.5 KV |
|
System Frequency (Hz) |
50 Hz |
|
Type of Cooling |
ONAN |
|
Impulse voltage rate (KV) |
95 KV |
|
Power Frequency Voltage rate (KV) |
28 KV |
|
No Load Losses (W) |
700 W |
|
Full Load Losses (W) |
3500 W |
|
Max. temperature rise at full load of OIL (°C) |
40°C |
|
Max. temperature rise at full load of Winding (°C) |
50°C |
|
Impedance Voltage (%) |
4. 5% |
|
Tapping Type & Ratio (%) |
±2*2.5% |
|
Connection |
Dyn11 |
Product Nameplate:

Product Factory Testing:
- Routine Tests: Insulation Resistance, Winding Resistance, Impedance Voltage, and Load Loss and No-Load Loss
- Type Tests: Impulse Voltage, Temperature Rise, and Short-Circuit
Product Packaging:
- The transformer is packaged with suitable materials to protect and prevent damage during transportation.
- The transformers are shipped with a moisture-proof and dust-proof coating that is durable and moisture resistant.
- All packaging materials comply with international packaging standards to ensure safe transportation and storage of the transformer.

Product Construction:
1.Core
Best quality low loss cold rolled grain-oriented electrical steel lamination.
2.Winding
Fully insulated by class A insulation that withstand the highest voltage 12.5 KV.
3.Main Tank
4.Gaskets & Joints
All gaskets be with cork or similar material as base, bounded by oil resisting synthetic material or rubber. Gaskets of plain synthetic materials not permissible.
5.Fittings
Conservator Tank
Lifting Lugs
Breather
Oil Level Gauge:
Main Tank drain valve
Conservator
Thermometer
Earth Terminals
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