Description
PLGseriesIt consists of isolation transformer (single transformer single/two transformers single/three transformers single/three transformers three), compensation transformer, high voltage transformer, transmission mechanism, brush contact system, control system, manual bypass switch (optional), DC Backstop diode (optional), transmitter (optional), etc. form a complete backup mains bypass. PLG series has the characteristics of stepless voltage adjustment, stable output, perfect protection function, stable and reliable, easy to use and maintain, and its performance indicators fully meet the needs of UPS normal operation.
| Project | Technical indicators and functions |
|---|---|
| Capacity | 10KVA-220KVA three-phase; 10KVA-150KVA single-phase |
| Input voltage | 380V±15% (three-phase); 220V±15% (single-phase) |
| The output voltage | 380V±15% (three-phase); 220V±15% (single-phase) |
| Voltage regulation accuracy | Factory setting 25% |
| Frequency | 50/60Hz ± ２% |
| Overvoltage | If the output exceeds 5% of the rated voltage, the output power will be cut off after a delay of 3-5 seconds |
| Undervoltage | If the output exceeds 13% of the rated voltage, the output power will be cut off after a delay of 3-5 seconds |
| Short circuit | When the load device is short-circuited, cut off the output power |
| Reverse phase | When there is an error in the phase sequence of the three-phase electricity, the machine will alarm and cut off the output power |
| Lack of phase | When there is a phase loss in the three-phase power, the machine will alarm and cut off the output power |
| Additional Waveform Distortion | ≤1％ |
| Additional voltage asymmetry | Increment of output to input asymmetry ≤ 1% |
| Noise | <55db |
| Efficiency | |
| Capacity<40KVA：≥94%; | |
| 40KVA≤capacity≤100KVA: ≥96% | |
| Capacity>100KVA: ≥98% | |
| Insulation class | Class B (Class F can be customized) |
| Relative humidity | 20%-90% |
| Withstand voltage | |
| The part of the voltage regulator is 2000VAC/min to the ground without breakdown or arcing phenomenon | |
| The part of the voltage regulator is 2500VAC/min to the ground without breakdown or arcing phenomenon | |
| Insulation resistance | The whole machine to the ground ≥ 2M Ω |
| Ambient temperature | 5℃ - 45℃ |