Sf-25000/69/6.3 25mva 66kv Double-Winding Power Transformers with off-Circuit Tap Changer
Sf-25000/69/6.3 25mva 66kv Double-Winding Power Transformers with off-Circuit Tap Changer image
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Basic Info.
Product Description
Technical parameters:
Rated Capacity(MVA): | 25 |
Voltage ratio HV(KV): | 69 |
Voltage ratio LV(KV): | 6.3 |
Voltage ratio HV Tapping Range(kv): | ± 2 x 2, 5% |
Connection symbol: | YND11 |
No-load Loss(KW): | 26 |
No-load Current(%): | 0.45 |
Full-load Loss(KW): | 105.3 |
Impedance(%): | 9 |
Reference Temperature | ° C | 75 | ||||
No-Load Losses at Principal Tapping: | W | 9.0 kW | ||||
Looses of Cooling Fan System | W | / | ||||
Insulation Levels (LI/AC): | LI325AC140/LI125AC55 | |||||
No Load Current: | @ Un | % In | 0.56 | |||
@ 1.05 Un | % In | 0.68 | ||||
Sound Level: | dB | < 67 | ||||
Short Circuit Impedance at Principal Tapping: | P/S | % Un | 8~10% | |||
P/T | % Un | |||||
S/T | % Un | |||||
Reference Temperature | ° C | 75 | ||||
Top Oil Temperature Rise: | °C | 51K | ||||
Average Winding Temperature Rise: | °C | 64K | ||||
Insulation Resistance (Reference Temperature = 20°C): | ||||||
HV/LV / | Mohms | ≥1000 | ||||
HV/GR – LV/GR – | Mohms | ≥1000 |
Our advantages:
Quality Assurance
–From the very beginning, VILLE ensures quality in every step to achieve the best quality.
Experience Sharing
–With more than 30 years’ experience in power industry, VILLE brings you an optimized solution.
Global Service
–Wherever you are, VILLE global network will support and provide you with value.
Quick Response
–In response to your needs without delay, VILLE knows the value of your time.
Thanks for choosing VILLE as your reliable partner and
please trust both of us will create a brilliant future!
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We are China Sf-25000/69/6.3 25mva 66kv Double-Winding Power Transformers with off-Circuit Tap Changer manufacture and supplier,You can get more details with Email,you will get cheap price or factory price.
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