Product Features
1. The required power supply capacity is significantly reduced, reaching only 1/Q of the actual test capacity.
2. The equipment features a much smaller size and lighter weight, reduced to approximately 1/10–1/30 compared with traditional testing systems.
3. The output voltage achieves a high-quality sine waveform by minimizing waveform distortion.
4. It can effectively identify insulation defects while avoiding excessive short-circuit current that may damage the fault location.
5. The system eliminates recovery overvoltage during testing, ensuring safer operation.
6. Three operating modes are provided, including automatic operation, manual control, and automatic tuning with manual voltage boosting, allowing flexible user selection.
7. Test data can be digitally saved and printed remotely for convenient record management.
8. Automatic frequency scanning is supported, with test results clearly displayed on the LCD screen.
9. Based on advanced DSP platform technology, the system provides a more user-friendly human-machine interface for easier operation.
Compositions of Testing System
| Serial No. | Equipment Name | Model and Specification | Unit | Quantity |
| 1 | Excitation Transformer | RDJLB-80kVA/5kV/7kV/0.4kV | Unit | 1 |
| 2 | Resonant Operating Console | RDXZL-80kW/380V | Unit | 1 |
| 4 | Adjustable Reactor | RDDK-500kVA/50kV 8～50H | Unit | 1 |
| 5 | Fixed Reactor | RDDK-300kVA/50kV 20H | Unit | 1 |
| 6 | AC Voltage Divider | FRC-50kV | Set | 1 |
| 7 | Test Cable | — | Set | 1 |
FAQs
Q1: What is the RDXZL-800kVA/50kV Power Frequency Series Resonant Test System used for?
A: The RDXZL-800kVA/50kV Power Frequency Series Resonant Test System is mainly used for AC withstand voltage testing of high voltage electrical equipment, including transformers, cables, GIS, switchgear, and other power system components.
Q2: What is the maximum output capacity of the 800kVA series resonant test system?
A: This system provides a rated output capacity of 800kVA with a maximum rated voltage of 50kV, suitable for high voltage insulation withstand testing applications.
Q3: What are the advantages of using a power frequency series resonant test system?
A: A power frequency series resonant test system reduces the required power supply capacity, lowers equipment size and weight, improves testing efficiency, and provides a high-quality sinusoidal output waveform.
Q4: How does the RDXZL-800kVA/50kV series resonant tester improve testing safety?
A: The system can accurately locate insulation weaknesses while limiting excessive short-circuit current, preventing damage to fault points and improving overall testing safety.
Q5: Why is the power requirement lower than traditional AC withstand voltage test equipment?
A: Due to the series resonance principle, the system only requires approximately 1/Q of the test capacity power supply, which significantly reduces the required input power.
Q6: What type of waveform does the RDXZL-800kVA/50kV resonant test system provide?
A: The system generates a high-quality sine wave output voltage by reducing waveform distortion, ensuring accurate and reliable AC withstand voltage testing.
Q7: Can the 800kVA series resonant test system be used for transformer testing?
A: Yes, it is suitable for transformer insulation withstand voltage tests, including high voltage AC testing during manufacturing, commissioning, and maintenance.
Q8: Is this series resonant test equipment suitable for cable withstand voltage testing?
A: Yes, the system can be used for high voltage cable testing, including power cable insulation evaluation and AC withstand voltage verification.
Q9: What operating modes are available on the RDXZL-800kVA/50kV test system?
A: The system provides three operating modes: automatic mode, manual mode, and automatic tuning with manual voltage boosting mode, allowing flexible operation based on testing requirements.
Q10: Does the series resonant test system support automatic frequency tuning?
A: Yes, the system supports automatic frequency scanning and resonance point searching, with test results displayed clearly on the LCD screen.
