Variable Frequency Series Resonance Withstand Voltage Test Equipment

Huazheng Electric Manufacturing (Baoding) Co., Ltd. is one of the leading manufacturers and suppliers of variable frequency series resonance withstand voltage test equipment in China. Please feel free to buy high quality equipment for sale here from our factory. Good service and reasonable price are available.

The device is mainly used for testing of cross-linked cable, hydro-generator, main transformer, busbar, GIS, etc. It has a wide range of application and is an ideal pressure-resistant equipment for high-voltage test departments and power installation and repair engineering units.

CE Certificate

Advantages

1. The required power capacity is greatly reduced. The test equipment generates high voltage and large current by resonant reactor and capacitor resonance of the tested product. In the whole test equipment, the power supply only needs to provide the part of active power consumption in the equipment. Therefore, the power required for the test is only 1/Q of the test capacity.

2. The weight and volume of the equipment are greatly reduced. not only the bulky high-power voltage regulating device and the ordinary high-power power frequency test transformer are eliminated, but also the resonant excitation power supply only needs 1/Q of the test capacity, which greatly reduces the weight and volume of the system, generally 1/10-1/30 of the common test device.

3. Improve the waveform of output voltage. The test equipment is a resonant filter circuit, which can improve the waveform distortion of the output voltage and obtain a good sinusoidal waveform.

4.Prevent large short-circuit current from burning the fault point. when the insulation weakness of the test product is broken down, the circuit is immediately detuned and the loop current drops to 1/Q of the normal test current. However, when parallel resonance or test transformer is used for withstand voltage test, the breakdown current immediately rises dozens of times. Compared with the two, the difference between the short-circuit current and the breakdown current is hundreds of times. Therefore, series resonance can effectively find the insulation weakness, and there is no large short-circuit current burn fault point hidden trouble.

Main functions and technical characteristics

1. The device has such protection functions as overvoltage, overcurrent, zero-position start, system detuning (flashover), etc. The protection value of overvoltage and overcurrent can be set according to the needs of users, and flashover protection action can be taken during flashover of test product to protect the product.

2. The whole device is light in weight and easy to be used on site.

3. The device has three working modes, which are convenient for users to choose flexibly according to the field conditions and improve the test speed.

Operation mode: automatic mode, manual mode, automatic tuning manual booster mode.

4. It can store and print data in different places, and the stored data number is a number to facilitate user identification and search.

5. When the device automatically sweeps the frequency, the starting point of the frequency can be set arbitrarily within the specified range. At the same time, the large LCD screen displays the scanning curve, so that the user can intuitively understand whether the resonance point is found.

6. DSP platform technology is adopted, which can conveniently increase or decrease functions and upgrade according to the needs of users, and make human-computer exchange interface more user-friendly.

Quality assurance

The supplier implements the product's lifetime warranty policy, one year's free warranty period in foreign countries, and the free warranty period starts at the date when the purchaser checks and accepts the complete set of equipment.

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