45KV 270KV AC Resonant Test System For 35KV Cable And 110KV Power Substation Test

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:

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.