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HV AC Resonant Test System
Widely used domestically and internationally, the HV AC Resonant Test System performs AC withstand voltage tests on high-voltage equipment and long cables of 10 kV~1000 kV substations.
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Large Test Output from a Small Power Source
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Low-Loss, High-Q Reactor Design
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Complete System Built for Durability
Product Highlights
Large Test Output from a Small Power Source
The power supply needed for the test accounts for only a tiny fraction (ranging from one-tenth to one-hundredth) of the total test capacity, effectively overcoming the common challenge of limited on-site power supply when conducting large-capacity tests.
Low-Loss, High-Q Reactor Design
Depending on site requirements, the test reactor can be designed with either an air core or an iron core. The high-Q iron-core model has a quality factor above 200, and is ideally suited for withstand voltage testing (factory or on-site commissioning) of long-distance high-voltage XLPE cables.
Complete System Built for Durability
Designed with a fully integrated, specialized construction, this variable-frequency power supply is tailored for high-voltage, high-current withstand testing. The control section unifies frequency tuning, voltage regulation, control, and protection in one package. It is simple to use, provides clear digital readouts, offers complete protective coverage, and delivers outstanding reliability and safety in field applications.
Technical Specification
Insulation Type
Dry-type/Oil-immersed
Test Reactor Rating Range
26 kVA~48000 kVA
Test Power Supply Rating Range
10 kW~1200 kW
System Voltage Range
100 kV ~1500 kV
System Capacity Range
100 kVA~621600 kVA
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