Product Overview
The HMCXZ-1800kVA/500kV high-power variable-frequency series-resonance complete withstand voltage test system is specifically designed for AC withstand voltage testing of power equipment at all voltage levels up to and including 500kV..
Technical Parameters
Rated Capacity: 1800 kVA, Maximum Output Voltage: 500 kV
Input Power: Three-phase 380 V / Single-phase 220 V (dual-voltage compatible), 50 Hz ±1%
Frequency Adjustment Range: 30 Hz to 300 Hz, 0.01 Hz fine-step adjustment, frequency instability ≤0.02%
Output Waveform: Pure sine wave, distortion rate <1.0%
Quality Factor: Unit's own Q > 50; Cable full-load condition Q > 30 (varies with load)
Continuous Operation: 30 min at rated load; cable withstand voltage can be sustained for 60 min
Overall Measurement Accuracy: Class 1.0 or better
Standard protection: Full protection against overvoltage, overcurrent, zero-point startup, detuning flashover, and power overload.
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