Series resonance test device

1. Subject
1.10kV/300mm2 cable, unit length capacitance 0.37uF/km, cable length 1.4km, tested cable capacitance 0.153uF, test frequency 30-300Hz, test voltage 52kV, withstand voltage time 60min;
2. 35kV power transformer power frequency AC withstand voltage test, capacitance ≤0.02uF, test frequency 45～65Hz, test voltage not exceeding 68kV, test time 1min;
3. AC withstand voltage test for switches and transformers with voltage levels of 35kV and below, the test frequency is 30-300Hz, the test voltage does not exceed 100kV, and the test time is 1min;
2. Environmental conditions for device use
1. Ambient temperature: -5℃—45℃;
2. Relative humidity: ≤90﹪, no condensation;
3. Altitude: ≤1000m.
3. The main technical parameters and functions of the system
1. Rated capacity: 108kVA;
2. Rated voltage: 27kV; 100kV;
3. Rated current: 4A; 1A;
4. Power supply: single-phase 220V±10﹪;
5. Working frequency: 30-300Hz;
6. Frequency resolution: 0.1Hz; frequency instability: ≤0.1%;
7. Working time: 15min continuous operation is allowed under rated power;
8. Temperature rise: After 15 minutes of continuous operation at rated power, the temperature rise of each part of the device is ≤65K;
9. Output waveform: sine wave, waveform distortion rate <1%;
10. Quality factor: the device itself Q≥30 (when f=45Hz);
11. Protection: with over-current, over-voltage and flashover protection (see the frequency conversion power supply section for auspiciousness);
12. System measurement accuracy: effective value 1.5.

Configuration equipment list

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.