FSHV offers three different types of AC voltage test systems, the conventional type is AC test transformer design, mainly for testing objects of medium & low capacitance products, particularly for tests requiring stable voltage even if the load changes under voltage (corona, wet & pollution tests) or when the load is inductive (like inductive voltage transformers).
Another is AC resonant test systems, according to series resonance circuit XL=XC (2πfL=1/2πfC), by setting F frequency of power supply or L inductance of reactor, generate a pure sinusoidal waveform of the test voltage, and the required input power is only 1/Q.
Variable frequency type operates in a frequency range from 20Hz to 300Hz, ideal for field commissioning test of power cables and GIS/GIL.
Variable inductance type outputs continuous AC voltage of power frequency (50/60Hz), mainly for factory testing of high and ultra-high voltage cables, power transformers, GIS, etc.
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To: Roger Chen - Export Manager
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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.
Power Frequency AC Resonant Test System with Variable Inductance Modular Reactor
The oil-cooled HV reactor is installed in a closed container made of steel and insulating cylinders.
The module setup enables you to connect the reactors in series or in parallel for extending the range of voltage and/or current. The individual modules can be installed above or next to one another.
Using resonance between capacitive test object and inductive HV reactor of the test system to generate a continuous sinusoidal high voltage in 50/60Hz, resonant system is lighter and more economic than AC test transformer systems because only the loss in test circuit must be covered by power supply.
Other HV AC Voltage Test Systems
SF6 GIS Variable Frequency AC Resonant Test System
Metal Tank AC Resonant Test System with Variable Inductance
Metal Tank Type AC Test Transformer
SF6 Gas Insulated GIS Test Transformer
Cylinder Modular Type AC Test Transformer
FIVESTAR HV TESTING EQUIPMENT CO., LTD
Fivestar HV Testing Equipment Co., Ltd (hereafter referred to as FSHV), is the subsidiary office of Jiangsu Qiyuan Leiyu Electrical Technology Co., Ltd, specializing in overseas bussiness.
We are the manufacturer of high voltage testing equipment in China, provide HV AC / DC / Impulse test systems and associated measuring instruments, the test capability of our equipment already up to AC 2400kV / DC 2000kV / Impulse 7200kV.
Since 1980 we started cooperating with Shanghai Jiaotong University for producing and research of HV testing equipment used in electrical applications.
In 2013, CECEP invest in our factory, built a new modern factory area up to 80,000m2, expand our production capability.
And we start FSHV for overseas marketing promotion since 2013.
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