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

Suntech Power Group is one of the largest Procurement, Engineering & Contracting Group companies in China.Our group branch company and factory have already engaged

in the field of electric power more than 26 years.

1.Steel structure industry especially steel towers and related products which include power towers and substation structures, telecommunication towers and related products of telecom sites, street light poles and so on.

2.Transmission line stringing tools and equipments,undergroud cable pulling tools incuded Stringing Blocks,Hoisting Tackles,Cable Rollers,Conductor Gripper,Gasoline Powered Winch,Hydraulic Puller Tensioner,Gin Poles,Inspection Trolleys and other rated machines.

3.Power fittings,transmission insulators and wires and cables included Suspension insulator,glass insulator,porcelain insulator,aluminum conductor steel reinforced,all aluminum alloy conductor,aluminum clad steel strand, aerial bounded cable,power cable,holding clamp,pulling clamp with pulley,arch plates,connector pipes and rated fittings.

And our branch company Ningbo Suntech Power Machinery Tools Co.,Ltd. as a professional global supplier

who have been exporting more than 90 countries in the world, we have been trying to focus on the comprehensive solutions like provides all related products and engineering services as client's requirement, for example from engineering consultant, design services, drawing services, manufacturing, transportation, supervision and even installation construction & maintenance services.

Insisting on business philosophy of “To be honest, To get win-win” and service concept of pursuing maximizing customer value , makes it win great reputations from both telecommunication operators and electricity power operators,we are willing to develop and share sucess with you.