Frequency modulation type series resonance test device

1.Applicable scope of device
1. Meet the AC withstand voltage test of 10kV/300mm2 cable, the capacitance per unit length is 0.3755μF/km, the cable length is 2000m, the capacitance of the tested cable is 0.75μF, the test voltage is 22kV, and the test time is 5min;
2. Meet the 35kV/240mm2 cable AC withstand voltage test, the capacitance per unit length is 0.175μF/km, the cable length is 1000m, the capacitance of the tested cable is 0.175μF, the test voltage is 52kV, and the test time is 180min;
3. Meet the AC withstand voltage test of 110kV/630mm2 cable, the capacitance per unit length is 0.1880μF/km, the cable length is 100m, the capacitance of the tested cable is 0.188μF, the test voltage is 128kV, and the test time is 60min;

2. The device follows the standard
GB10229-88 "Reactor"
GB50150-2016 "Power Equipment Handover Test Regulations"
DL/T 596-1996 "Preventive Test Regulations for Power Equipment"
GB1094.1-GB1094.6-96 "Enclosure protection grade"
GB2900 "Electrical Terminology"
GB/T16927.1~2-1997 "High Voltage Test Technology"
GB 191-2000 "Packaging, Storage and Transportation Graphical Signs"
JB/T 9641-1999 "Test Transformer"
IEC358(1990) "Coupling Capacitor and Capacitance Voltage Divider"
Q/WFK005-2005 "Test Transformer" Fanke Company Enterprise Standard
Q/WFK008-2004 "Test Reactor" Fanke Company Enterprise Standard

3. Environmental conditions of the device
1. Ambient temperature: -5℃-+45℃;
2. Relative humidity: ≤90﹪, no condensation;
3. Altitude: ≤1000m.

4.Fourth, the main technical performance requirements of the device
1. Rated capacity: 280kVA;
2. Rated voltage: 35kV; 140kV;
3. Rated current: 2A;
4. Power supply: 380V±10%;
5. Rated capacity of variable frequency power supply: 20kW;
6. Working frequency: 45-300Hz;
7. Frequency adjustment fineness: 0.01Hz; frequency instability: ≤0.01%;
8. Working time: 180min continuous operation is allowed under rated power;
9. Temperature rise: after rated continuous operation for 180 minutes, the temperature rise of each part of the device is ≤65K;
10. Output waveform: sine wave, waveform distortion rate <1%;
11. Quality factor: the device itself Q>30 (when f=40Hz);
12. Protection: with overcurrent, overvoltage and flashover protection (see the frequency conversion power supply section for details);
13. Measurement accuracy: 1.5 effective value.

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.