380V Compact Withstand Voltage Test Equipment For HV Cable GIS Transformer On Site AC Hipot Test

SXBP Variable Frequency Series Resonance Test System is an advanced high-voltage AC withstand testing solution designed for insulation performance evaluation of large-capacity and high-voltage electrical equipment. Based on variable frequency series resonance technology, the system utilizes resonance compensation to generate high test voltage with relatively low power input, significantly reducing the requirements for test transformer capacity and power supply.

With its compact structure, flexible configuration, and excellent voltage stability, the SXBP system is suitable for commissioning tests, acceptance tests, and preventive maintenance tests of power transformers, GIS, cables, generators, and other high-voltage equipment in substations, power plants, and electrical manufacturing facilities.

The AC Variable Frequency Series Resonance Test System is widely used for insulation withstand testing of various high-voltage power equipment, including:

• AC withstand voltage tests for 10kV–500kV high-voltage cables to verify insulation strength and detect potential defects.
• Dielectric withstand testing of GIS, gas-insulated switchgear, and high-voltage busbar systems during manufacturing, installation, and commissioning.
• Insulation performance verification of large-capacity power transformers and high-voltage motors.
• Preventive maintenance and acceptance testing for high-voltage arresters, voltage transformers (VT), current transformers (CT), and other electrical apparatus.
• Field testing for newly constructed, renovated, and expanded power transmission and transformation projects to ensure safe operation before energization.

• Modular and mobile design for efficient field deployment
  The system adopts a modular structure, with each module equipped with movable casters, enabling flexible transportation, quick installation and convenient layout adjustment during on-site testing.
• High-quality voltage output with excellent waveform performance
  It provides stable AC high-voltage output with low waveform distortion, ensuring the test voltage quality complies with relevant standards for power frequency withstand voltage testing.
• Reliable performance in harsh electromagnetic environments
  Designed with enhanced anti-interference capability, the system maintains stable operation even under complex electromagnetic conditions commonly found in substations and high-voltage test sites.
• User-oriented control system for simplified operation
  The intuitive interface and optimized operating process reduce the complexity of testing procedures, allowing operators to complete tests efficiently with minimal training.

A:
A Variable Frequency Series Resonance Test System is an advanced high-voltage AC testing solution based on resonance compensation technology. It generates high test voltage by utilizing the resonance relationship between the reactor and the capacitive load of the test object, significantly reducing the required input power capacity. The system is widely applied for insulation withstand testing of high-voltage equipment, including power transformers, GIS, HV cables and switchgear.

A:
The SXBP Variable Frequency Series Resonance Test System covers a rated capacity range from 300kVA to 20000kVA. According to different test requirements, the system can be configured with different reactors, excitation transformers and control units to achieve suitable test voltage, current and capacity matching for various high-voltage equipment.

A:
Variable frequency resonance technology enables precise resonance point adjustment by controlling the output frequency within a wide range of 20Hz to 300Hz. Compared with conventional AC withstand test methods, it reduces the power supply demand, improves voltage stability and provides efficient solutions for long-duration insulation tests.

A:
The SXBP series resonance system is suitable for AC withstand voltage tests of large-capacitance and high-voltage equipment, including transformers, GIS/GIL systems, high-voltage cables, circuit breakers, bushings and other insulation components. It is commonly used in power utilities, substations, laboratories and electrical equipment manufacturers.

A:
Yes. The system supports customized solutions according to customer requirements, including test voltage, output capacity, reactor combination, equipment layout and field application conditions. It can be designed for both mobile on-site testing and fixed laboratory applications.