The Multi-Frequency Voltage Test Set, developed by Wuhan Goldhome Hipot Electrical Co., Ltd is a professional instrument designed for inductive voltage withstand testing of transformers, instrument transformers, and other electrical equipment in power systems. Compliant with the DL/T848.4 - 2004 standard, this advanced system utilizes DSP platform technology to deliver stable, pure sine wave output with customizable frequency settings. It is widely used for:
Longitudinal insulation testing (inter - turn, inter - layer, inter - section, and inter - phase) of transformer windings.
Excitation characteristic tests and no - load current tests.
Multi - Functionality: Supports inductive voltage withstand tests, excitation tests, and no - load current tests in one device.
: Voltage resolution up to {{0}}.01V, current resolution of 0.001A, ensuring accurate measurements.
: Maintains stable test voltage with Less than or equal to 1% fluctuation.
: Built - in safeguards against overvoltage, overcurrent, detuning, and zero - start risks.
: {{0}} degree to +40 degree (operational range: 0 degree to 45 degree ).
: 0–90% RH (non - condensing).
: Dry, dust - free, well - ventilated, and free of corrosive gases. Avoid damp or explosive areas.
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: 3kVA to 100kVA (customizable).
: 380V±10% (3 - phase) / 220V (single - phase, half power).
: Up to 500V (boostable via transformer).
: 50Hz, 100Hz, 150Hz, 200Hz, or customizable 30–300Hz.
: <3%.
: 60 minutes (full load).
