1.The highest ambient temperature: +40°C minimum: -40°C
2.Altitude ≤2000m
3.The daily average humidity ≤100%, the monthly average ≤90%
4.Seismic cracking 8 degrees (China 12 degree standard)
5.Outdoor wind speed is not more than 50m/s wind pressure 100kgf/m²
6.Pollution resistance grade Ⅲ pollution area
7.Installation site outdoor, installed in no fire, explosion danger, no conductive, chemical corrosive gas places
8.Ice thickness 10 mm
1.The transformer of this product adopts high quality silicon steel sheet material. After electromagnetic optimization design, the no-load loss and load loss are lower than that of similarproducts, which ensures the full utilization of wind energy to the maximum extent;
2.Safety: the high-voltage part of the load switch + fuse combination electrical appliances, can quickly and reliably protect the transformer, the low-voltage part can use circuit breakers or knife melt switches as the main switch, the configuration of small-capacity transformers to provide box and wind tower 0.4kV lighting and maintenance electricity;
3.High temperature resistance, overload operation ability is strong;
4.Long life: more than 20 years of service life;
5.Maintenance-free: no need to filter oil, oil change during the life, the transformer seal and transformer with the same life;
6.High level of protection: the wind variable box adopts double door sealing structure,all doors are sealed by sealing rubber strip, the air vents are equipped with dust-proof device, can effectively prevent dust, rain and snow on the wind changeintrusion, protection level reached IP54.
| Serial number | Items | Guaranteed value |
| 1 | Type | Three-phase,double-wound,oil-immersed self-cooling,low loss,fully sealed and maintenance-free |
| 2 | Maximum operating voltage (kV) | 40.5 |
| 3 | Rated frequency (Hz) | 50 |
| 4 | Rated capacity (kVA) | 800-1600 |
| 5 | Voltage ratio (kV) | 38.5±2*2.5%/0.69 |
| 6 | Vector Group | D,yn11 |
| 7 | Impedance voltage | 4.5%-6.5% |
| 8 | Voltage regulation mode | Non-exciting tap-changer |
| 9 | Transformer oil | Karamay 45# insulation oil |
| 10 | Rated short-duration power frequency withstand voltage (kV) | 95kV/1min |
| 11 | Peak lightning Impulse withstand voltage (kV) | 215 |
| 12 | Cooling method | ONAN |
| 13 | Level of enclosure protection | Tank IP68,tank IP54 |
| 14 | Temperature rise (k) | Coil:63k,top oil:53k |
| 15 | No-load current (%) | 0.6% |
| 16 | Tone limit level (db) | No more than 50db |
High voltage load switch performance table
| Serial number | Items | Guaranteed value |
| 1 | Model number | ZGS-Z-F40.5/0.69 |
| 2 | Voltage level (kV) | 40.5 |
| 3 | Maximum relative phase voltage (kV) | 41 |
| 4 | Maximum relative ground voltage (kV) | 40.5 |
| 5 | Rated short-duration power frequency withstand voltage | 95kV/1min |
| 6 | Peak lightning impulse withstand voltage (kV) | 200 |
| 7 | Rated current (A) | 630 |
| 8 | Short-time withstand current (RMS-10 cycles) | 20kA/2s |
| 9 | Rated breaking capacity (A) | 630 |
| 10 | Main loop resistance (μΩ) | Not greater than 150 |
| 11 | Mechanical life (times) | Not less than 20000 |
High voltage fuse performance sheet
| Serial number | Items | Guaranteed value |
| 1 | Model number | STR20-40.5 |
| 2 | Rated voltage (kV) | 40.5 |
| 3 | Rated current (A) | 100 |
| 4 | Rated frequency (Hz) | 50 |
| 5 | Rated breaking capacity (kA) | 40 |
| 6 | Fuse current rating (A) | 20 to 100 Optional |
High voltage arrester performance table
| Serial number | Items | Guaranteed value |
| 1 | Model number | HY5WZ-51/134 |
| 2 | Rated voltage (kV) | 51 |
| 3 | Continuous operating voltage (kV) | 40.8 |
| 4 | Dc reference voltage (kV) | 73 |
| 5 | Leakage current at 0.75Ulma (μA) | Not less than 30 |
| 6 | 8/20μS nominal discharge current residual voltage (kV) | Not less than 134 |
| 7 | 2000μS square wave current (amplitude,A) | Not less than 400 |
| 8 | 4/10μS high current Impulse Withstand current (kV) | Not less than 65 |
| 9 | Local discharge under 1.05Uc | Less than 14PC |