Portable Variable Frequency Resonant Withstand Voltage Test Set , For 35KV Cable and 110KV Power Substation Test

I. Product Usage :

This test set model CHX-270KVA/45KV, 270KV is designed for 10KV / 35KV class short XLPE cable ,power transformer, CB,CT/PT, busbar in 110KV power substation to perform on-site AC withstand voltage test with variable frequency resonant circuit technology; the highest test voltage is no more than 45KV ,90KV,270KV; test frequency: 30-300Hz; the duty cycle is no more than 60mints. it can help customers to perform preventive test or hand-over test on AC withstand voltage test

Test range of the set is as following:transformer

1. 1000m of 35kV/300mm2 cable, test frequency 30-300Hz, test voltage 52kV, test time 5min.

2, 3000m of 10kV/300mm2 cable , test frequency 30-300Hz, test voltage 22kV, test time 5min.

3, 35kV/31500kVA main transformer , capacitance ≤ 0.015uF, test frequency 40-300Hz, test voltage 68kV, test time 1min.

4, 110kV/50000kVA main transformer , capacitance ≤ 0.015uF, test frequency 40-300Hz, test voltage 160kV, test time 1min.

4, CB,CT/PT, busbar in 110KV power substation , test frequency 40-300Hz, test voltage no more than 265, test time 1min.

The whole test set consists of variable frequency power source , excitation transformer , 6pieces of reactors, and high voltage measurement devider(capacitive voltage divider). This type of test set is most suitable for 35KV or 110KV power sub-station

II. General Technical Data

1. Rated capacity: 270kVA;
2. Input power: three-phase 380V voltage, frequency is 50Hz;
3. Rated voltage: 45KV; 270kV;
4. Rated current: 1A; 6A;
5. Working frequency: 30-300Hz;
6. Device output waveform: sine wave
7. Waveform distortion rate: output voltage waveform distortion rate ≤ 1%;
8. Working time: continuous 60min allowed under rated load; overpressure 1.1 times 1 minute;
9. Temperature rise: temperature rise ≤65K after continuous operation for 60 minutes under rated load;
10. Quality factor: device itself Q≥30 (f=45Hz);
11. Protection function: Over-current, over-voltage and test product flashover protection for the tested product (see the variable frequency power supply section for details);
12. Measurement accuracy: system effective value 1.5;

III. Main Components:

Founded in 2003, FANKE is the domestic leader specializing in designing and manufacturing HV test, measurement and overhaul equipments. In 2003, Wuhan HIGHVOLT Co.,Ltd is established as our subsidiary. We provide a diversity of complete testing solutions and one-stop service for electric power companies, electric research institutions and electric equipments manufacture companies.
Located in Guannan Science and Technology Industrial park-- the Optical Valley of China, we cover an area of 12,000 square meters used for workshop and offices.With the registered capital of 16,000,000 yuan, our annual sales volume reaches 70,000,000 yuan. As a sub-measurement unit of Wuhan city, we develop us as a comprehensive high-tech enterprise integrating research, development, production, installation, commission, sales and service consultancy.

Good networking keeps us stay advantageous and innovative in the market. Relied on the wide cooperation with institutions of higher learning in Wuhan, we establish a HV research center supported by professional HV engineers and specialists from Wuhan High Voltage Research Institute of State Grid, Institute of Water Conservancy and Hydroelectric Power of Huazhong University of Science &Technology and Wuhan University.

Our management team is composed of professional administrators with rich experience in modern business and project management and technical personnel specializing in HV, power transmission, transformation and automation. Until now, we employ 75 stable workers, 65% of whom have bachelor degree and some of the rest are advanced engineers and professional experts with Doctor degree.

We hold numerous intellectual property rights, utility model and invention patents for products, such as hydraulic integrated high voltage withstand test system, series resonant test trail, ultra high voltage AC/DC voltage withstand test equipment, power frequency PD free voltage withstand test equipment and other electric power maintenance equipments as well as other tailor-made products.
Our products have been applied for onsite handover, preventive maintenance and quality inspection test. We have customers all around the country, including stated-owned institutions and large-scaled enterprises in sections of railway, oil industry and chemical engineering. Some products have been exported to overseas markets, including USA, Mid-east, Korea, India and Vietnam, ect.

With a vision to win-win result, We will continue to focus on customer needs and rely on technical innovation, striving to become the top-ranking provider for electric testing and measurement equipments and EPC engineering service.