SXBP portable variable frequency series resonance test system is developed for AC withstand voltage test of power system up to 110kV. The reactors adopt dry epoxy casting structure, which can be connected in series or parallel flexibly. It can carry out AC withstand voltage test for GIS, circuit breakers, transformers, CT/PT and other HV equipment, as well as power cables up to 110kV.
1.Portable modular design, each component <50kg, easy for field handling
2. Building-block reactor structure, flexible series & parallel combination for multiple test requirements
3. Test frequency range: 30~300Hz
4. Pure sine wave output, THD ≤1%
5. Simple wiring, auto and manual operation optional
6. Intelligent frequency power unit, high stability, full protection: overvoltage, overcurrent, flashover protection
7. Built-in data storage function, support historical test record checking
8. Can be matched with special test vehicle for field mobile test
| Item | Parameter |
|---|---|
| Rated Output Voltage | 0~800kV(RMS), customized |
| Output Frequency | 20~300Hz |
| Waveform | Sine wave, THD ≤1% |
| Continuous Working Time at Full Load | 15min / 60min |
| Quality Factor | ≥20 at maximum load |
| Frequency Adjustment Resolution | 0.01Hz, frequency instability ≤0.01% |
| Input Power Supply | Single phase 220V or 3 phase 380V |
Q1: What is this series resonance tester used for?
A: It is used for AC withstand voltage / insulation test of power cables, GIS, breakers, CT/PT, transformers, generators and motors up to 110kV, for substation commissioning and maintenance test.
Q2: What power supply does it need?
A: It supports single phase 220V or 3 phase 380V, convenient for different site power condition.
Q3: Can the reactors be combined freely?
A: Yes, building-block type reactors, can be connected in series or parallel to change voltage and capacity for different test objects.
Q4: What is the waveform distortion rate?
A: THD ≤1%, pure sine wave, meets international HV test standard.
Q5: Is it portable for field work?
A: Yes, each part is less than 50kg, easy to carry for outdoor substation test.
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