220kV High Voltage AC Withstand Test System for Power Transformers, Substations, GIS, Bushings, Insulators and Switchgear

Product Overview

The SXBP Variable Frequency Series Resonance Test System is an advanced AC high-voltage testing solution developed for large-capacity electrical equipment and high-voltage insulation systems.

Key Product Features

High-Voltage Testing Capability

The SXBP series can be configured for test voltages ranging from 200 kV to 2000 kV, providing a solution for high-voltage and extra-high-voltage insulation testing.

Large-Capacity Configuration

With a rated capacity range of 300–20,000 kVA, the system can accommodate demanding testing applications involving large electrical equipment and capacitive loads.

Variable-Frequency Operation

The output frequency can be adjusted between 20 and 300 Hz, allowing the resonance condition to be optimized according to the characteristics of the test object.

Efficient Resonance Technology

Series resonance technology allows the system to achieve high test voltage efficiently, making it well suited for large-capacitance loads such as long HV cables and GIS.

Low-Distortion Output

The output voltage waveform is sinusoidal with a specified waveform distortion of ≤1%, helping maintain stable test conditions.

Typical Applications

• 110 kV, 220 kV and 500 kV power cables
• Long-distance high-voltage cables
• GIS and SF6 gas-insulated switchgear
• Power transformers
• SF6 circuit breakers
• Current transformers
• Voltage transformers
• Capacitive voltage transformers (CVT)
• Other high-voltage electrical equipment

FAQ

Q:What is the SXBP Variable Frequency Series Resonance Test System?

It is a high-voltage AC test system that uses variable-frequency series resonance technology to perform insulation withstand testing on large-capacity and capacitive electrical equipment.

Q:What is the main purpose of this system?

The system is primarily used for AC withstand and insulation testing of high-voltage electrical equipment, especially equipment with relatively large capacitance.