Features power factor correction All performance metrics meet industry-leading standards Employs high-frequency double-conversion pulse width modulation (PWM) Fully digital control (DSP) technology Output voltage remains unaffected by mains input voltage fluctuations, frequency variations, or interference DC/DC battery charging and discharging functionality Delivers pure AC power free from mains interference Supports multiple units in parallel operation
| Input Characteristics | |||
| Project | Technical Requirements | Unit | |
| Main Path Input Characteristics | Input rated voltage | 380 | Vac |
| Phase voltage range | 176-276 | Vac | |
| Input Method | Three-phase four-wire system | ||
| Power factor | ≥0.95 | ||
| Harmonic current | ＜3 | % | |
| Frequency range | 45-55 | Hz | |
| Bypass Input Characteristics | Rated voltage | 380 | Vac |
| Input Voltage Range | 305-477 | VAC | |
| Input Method | Three-phase four-wire system | ||
| Frequency range | 48.5-51.5 | Hz | |
| Maximum Mains Input Current/Single-Phase | 45 | A | |
| Battery Input Characteristics | Number of 12V battery cells | Verses 40–44 | |
| 2V battery | Sections 240–264 | ||
| Output Characteristics | |||
| Rated Output Power | 20 | KW | |
| Output active power | 20 | KW | |
| Rated Output Voltage | 380 | Vac | |
| Output Voltage Range | 380±3% | Vac | |
| 305-477 | VAC | ||
| Output Efficiency | ≥90 | % | |
| ≥92 | |||
| Frequency Tracking Range | ±2 | Hz | |
| Frequency Accuracy | ±0.05 (single unit) ±0.25 (parallel operation) | Hz | |
| Output waveform | Pure sine wave | ||
| Output Waveform Distortion | Linear load＜1 | % | |
| 100% Balanced Nonlinear Load＜4 | |||
| 100% Unbalanced nonlinear load＜5 | |||
| Output phase difference | 120± 1° | ||
| Bypass and Inverter Switching Time | 0 | mS | |
| Dynamic Voltage Transient Range | ≤±5 | % | |
| Voltage Transient Recovery Time | ≤20 | mS | |
| Audio noise | ＜55 | dB | |
| Environmental Conditions | |||
| Rated operating temperature | -20—+50 | ℃ | -40℃ Can be started |
| Storage temperature | -40—+70 | ℃ | |
| Relative humidity | 5-95 | % | |
| Elevation | 4000 | m | At altitudes above 4000 meters, derating shall be applied in accordance with GB/T 3859.2. |
| Heat dissipation method | Built-in fan cooling | ||
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