Product Description
1. Input Voltage: Single-phase 220V.
2. Output Voltage: 0~300VAC. (Higher voltage can be customized.)
3. Input Frequency: 50Hz, 60Hz.
4. Output Frequency: Freely adjustable from 40Hz to 120Hz; 40Hz to 400Hz is available upon order.
5. Voltage, frequency, current, and power meters use 4-digit digital LED displays, which are simple to read and offer high resolution.
6. Voltage (V), frequency (Hz), current (A), and power (W) are measured and displayed simultaneously in four windows, with no need for switching.
7. No radiation interference, low harmonic content, and specially treated to avoid generating interference.
8. Pure and stable sine wave output.
9. Large capacity, high efficiency; equipped with a silent device and high reliability.
10. Provides standard voltages and frequencies of various countries worldwide, suitable for simulating and testing different electrical products.
11. Strong overload capability; the instantaneous current can withstand 3 times the rated current.
12. Equipped with overcurrent, overtemperature, short circuit, and instantaneous power failure protection and warning devices.
13. Suitable for resistive, capacitive, inductive, and other nonlinear loads.
Technical Specifications
| Model | KSD-1120 |
| Capacity | 20KVA |
| Production Method | IGBT/PWM pulse width modulation method |
| Input | Phase Number: Single phase |
| Voltage: 1 phase 2 wires + PE: 220V±10% | |
| Frequency: 50Hz or 60Hz±5% | |
| Output | Voltage (single phase): 0-150V (low range) 0-300V (high range) |
| Current: Low range 167A High range 83.5A | |
| Frequency: 40Hz-400Hz | |
| Load Stability Rate | ≤±1% |
| Frequency Stability | ≤±0.01% |
| Harmonic Distortion | Sine wave,≤2% |
| Crest Factor Ratio | 3:01 |
| Overall Efficiency | ≥85% |
| Protection Response Time | ≤2ms |
| Display | Frequency Meter: 4 digits, digital frequency meter / resolution 0.1Hz |
| Voltmeter: 4 digits, digital voltmeter / resolution 0.1V | |
| Ammeter: 4 digits, digital ammeter / resolution 0.1A | |
| Wattmeter: 4 digits, digital wattmeter / resolution 0.1W | |
| Protection Device | With overload, overtemperature, short circuit, and instantaneous power failure protection, alarm device |
| Working Environment | Temperature: 0-40deg.℃ |
| Humidity: 0-90% (non-condensing state) | |
| Cooling Method | Fan cooling |
| Dimensions | 68*50*97（cm） |