China SFP10 Power Transformer 400kv Transformer Distribution Power Transformer Power Supply, Find details about China Transformer, Power Transformer from SFP10 Power Transformer 400kv Transformer Distribution Power Transformer Power Supply
Voltage:400kv
Technical particular and guarnty data for power transformer 400kv
Item | Description | Unit | Hv side | Lv side |
1 | Type of designation | Power transformer | ||
2 | Separate winding/auto trasnformer | Separate winding | ||
3 | Type core type/shell type | Core type | ||
4 | Type of cooling acc to iec: | |||
First stage | Onan | |||
Second stage | Onaf1 | |||
Third stage | Onaf2 | |||
5. | Rate frequency | Hz | 50 | |
6 | Rate input power | |||
At first stage of cooling | Mva | 50 | ||
At second stage of cooling | Mva | 60 | ||
At third stage of cooling | Mva | 70 | ||
7. | Rated voltage: | |||
Hv | Kv rms | 400+-12x1.25% | ||
Lv | Kv rms | 33 | ||
Tv(if applicable) | Kv rms | N.A | ||
8. | Three phase unit/bank of single phase unit | 3 phase | ||
9. | On load tap changer | Vacuum mr germany 350a-123kv | ||
10. | Impedances (guaranteed) on the base of rated power of main winding | Mva | 70 | |
Positive sequence impedance at 75c ,on principal tapping and: A)between hv&lv winding | % | 13.8 | ||
B)between hv&lv winding (if applicable) | % | N.A | ||
C)between lv&tv winding (if applicable) | % | N.A | ||
11. | Insulation levels(guaranteed) When tested at sea level Lighting impulse withstand voltages: | |||
A)hv:Winding/bushing | Kvp/kvp | 1300/1425 | ||
B)lv:Winding/bushing | Kvp/kvp | 170/235 | ||
C)neutral end:Winding/bushing | Kvp/kvp | 125/170 | ||
D)tv:Winding/bushing(if applicable) | Kvp/kvp | N.A |