1. input frequency: 50Hz, 60Hz or 400Hz.
2. output voltage: 0-300vac
3. output frequency: 40.0-499.9 output frequency dial setting.
4. voltage (V), frequency (Hz), current (a) and power (W) are measured and displayed at the same time in 4 windows without switching.
5. the voltage, frequency, current and power meters adopt 4-digit digital LED display, which is simple, easy to read and high-resolution.
6. no radiation interference, small harmonic components, and no interference after special treatment.
7. pure and stable sine wave output.
8. large capacity, small size, light weight (17KGS), high efficiency, mute device and high reliability.
9. provide world standard voltage and frequency, and can simulate and test various electrical products
10. strong overload capacity. The instantaneous current can withstand 3 times of the rated current.
11. it is equipped with overcurrent, over temperature, short circuit, instantaneous power-off protection and warning devices.
12. suitable for resistive, capacitive, inductive and other non-linear loads.
| Phase number | three phase | ||
| Model | SIDIAN-3320 | ||
| Capacity | 20KVA | ||
| Manufacturing mode | IGBT/PWMpulse width modulation mode | ||
| Input | Voltage | 3 - phase 4 - wire+PE 380V ±10% | |
| Frequency | 50Hz或60Hz ±5% | ||
| 输 出 | Voltage ( three - phase ) | Phase voltage 0 - 150 V / line voltage 0 - 260 V ( low ) | |
| Phase voltage 0 - 300 V / line voltage 0 - 520 V ( high grade ) | |||
| Electric current | Low | L:55.6A | |
| High grade | H:27.8A | ||
| Load stability rate | ≤±1% | ||
| Frequency | 40.0Hz-400Hz | ||
| frequency stability | ≤±0.01% | ||
| harmonic distortion | Sine wave, ≤ 2 % | ||
| crest factor ratio | 3:1 | ||
| crest factor ratio | ≥85% | ||
| Protection reaction time | ≤2ms | ||
| frequency table | 4 digits, digital frequency table, resolution 0.1 Hz / step | ||
| Voltmeter | 4 digits, digital voltmeter, resolution 0.1V. | ||
| Ammeter | 4 digits, digital ammeter, resolution 0.1a | ||
| Wattmeter | 4 digits, digital wattmeter, resolution 0.1W | ||
| protector | Overload, high temperature, short circuit, instantaneous power-off protection, alarm device | ||
| Working environment | Temperature | 0-40deg.℃ | |
| Temperature | 0-90%( non - condensed state ) | ||
| Cooling mode | fan cooling | ||
| size | 77*58*114（cm） | ||
variable-frequency power sources