The combined transformer for wind (solar) power generation is the stationary transformer equipment which integrates the booster transformer body, switchgear, high-voltage current-limiting fuse, tap switch and corresponding auxiliary equipment. For specificity for (solar) power generation, the reasonable solution is provided for the user, and it is the ideal supporting booster transformer for (solar) power generation.
1. Voltage
System voltage: 35KV(36.75KV, 38.5KV)
Maximum operating voltage at the high voltage side: 40.5KV
Rated voltage at the low voltage side: 0.69KV
2. Rated frequency: 50Hz
3. Rated insulation level
Industrial frequency withstand voltage of the high-voltage switch: 95KV
Industrial frequency withstand voltage of the transformer body 85KV
Impulse withstand voltage peak value: 200KV
Industrial frequency withstand voltage at the industrial frequency withstand voltage of the transformer: 5KV
4. Number of phases: three-phase
5. Cabinet protection level: oil tank IP68, high and low-voltage chamber IP54, after the high-voltage chamber door is opened IP3X
Transformer capacity (KVA) |
High-voltage combination and tapping range |
Connection group grade |
No-load loss KW |
Load loss kW |
Impedance % |
||
High voltage V |
Tapping range % |
Low-voltage KV |
|
|
|
|
|
1600 |
35 |
±2×2.5 |
0.69 |
Dyn11 |
According to customers’ requirements |
According to customers’ requirements |
6.5 |
2150 |
|||||||
2280 |
It has the advantages of strong completeness, convenience in installation, short construction cycle, low operating expense, high structure strength, strong corrosion resistance and so on.
Character 'mu' structure
Capacity (kVA) |
L (mm) |
W (mm) |
H (mm) |
1600 |
3450 |
2450 |
2150 |
2150 |
3500 |
2500 |
2200 |
2280 |
3550 |
2550 |
2250 |
Character 'pin' structure
Capacity (kVA) |
L (mm) |
W (mm) |
H (mm) |
1600 |
3350 |
2750 |
2150 |
2150 |
3400 |
2800 |
2200 |
2280 |
3450 |
2850 |
2250 |
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