Variable Frequency AC Resonant Test System with Modular Reactor Variable Frequency AC Resonant Test System with Modular Reactor Variable Frequency AC Resonant Test System with Modular Reactor Variable Frequency AC Resonant Test System with Modular Reactor Variable Frequency AC Resonant Test System with Modular Reactor

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Variable Frequency AC Resonant Test System with Modular Reactor

Cylinder modular type HV reactor features a modular design, several reactors can be connected in series or parallel to achieve higher test voltages or power, the resonant reactor and test object form a series resonant circuit by setting frequency of power supply, and generate a pure sinusoidal waveform of the test voltage in frequency range from 20Hz to 300Hz, ideal for field commissioning withstand voltage test of power cables and GIS/GIL according to IEC standards.

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  • Description

Product Details

Cylinder modular type variable frequency HVAC resonant test systems operate in a frequency range from 20Hz to 300Hz, ideal for field commissioning test of power cables and GIS/GIL according to IEC, and test object is connected to the test system using a flexible high-voltage connection.

The high-voltage reactor is fixed inductance, form resonance with capacitive test load by frequency converter power supply, and provide undistorted sinusoidal AC resonance test power. It features a modular design, oil insulation and cylinder insulated shell. Several reactors can be connected in series or parallel to achieve higher test voltages or power, voltage up to 2400kV.

As part of a series resonant circuit, these systems provide undistorted AC high voltage. And because the systems are designed to have high quality factor (Q), low input power is required (1/Q) which results in lower installation and operating costs.

Main applications:
For withstand voltage testing on transformers after they are installed on-site and for purposes of diagnostics in asset management according to IEC 60076-3.
For withstand voltage tests on XLPE cables once laid on-site (after installation) according to IEC 60840 and IEC 62067.
For testing of withstand voltage at GIS once installed on-site according to IEC 60517 and IEC 62271-203.

Specifications

Model：FRST-M
Voltage Range：50 – 2400kV
Output Frequency：20 – 300Hz

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