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AC Resonant System

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WXTF Cable Resonance Test System

  • WXTF makes the reactor and tested capacitor in resonant by adjusting the frequency of the power source, to get high voltage and heavy current from measured equipment.

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PRODUCT DESCRIPTION

WXTF Cable Resonance Test System



Application

   The AC withstand voltage test device is suitable for AC withstand voltage test of transformers, circuit breakers, switches, GIS systems, cables, bushings, insulators and other equipment. With high voltage overvoltage protection, low voltage overcurrent protection, as well as detuning protection, zero position, flashover protection, emergency shutdown, undervoltage protection and other multiple protection functions. It can meet the test requirements of high voltage and low current equipment, and meet the test requirements of low voltage and high current equipment. It has a wide range of application.


  The frequency adjustment of the AC withstand voltage test device is divided into coarse adjustment and fine adjustment, and the test resonance point can be automatically found to ensure that the resonance frequency does not drift during the whole test process; the required power supply capacity is small, and the power supply required for the test is only tested. The capacity is 1/Q; the volume is small and the weight is light, which is 1/3-1/5 of the common test device; the resonant power supply is a resonant filter circuit, which can improve the waveform distortion of the output voltage and obtain a good sinusoidal waveform, effectively preventing Harmonic peak to the wrong breakdown of the test sample; with a variety of working modes, 220V or 380V single-phase power supply, convenient on-site power; multi-mode, modular combination, can be combined and easy to operate, convenient for on-site use.


Introduction

   WXTF makes the reactor and tested capacitor in resonant by adjusting the frequency of the power source, to get high voltage and heavy current from measured equipment. Now it is a new method and trend for high voltage test and widely used.

    WXTF uses special SPWM digital wave-generate chip, resolution is 16 bits, the frequency adjustment fineness could be 0.1Hz if the frequency was 20~300Hz; adopts sine asynchronous fixed wave carrier modulation, to ensure the waveform output is good in the whole frequency range; adopts advanced IPM module, ensure the stability and safety of the device under minimum weight.


Features

1.Small in volume, light in weight.

2.This system need one person to carry the device less than 30KG, two people less than 60KG. Suitable to carry on site.

3.Power supply, Single phase: 220V or 380V, convenient to get power on site.

4.Reactor uses epoxy cast, beautiful and reliable, suit for all kinds of cables.

5.110kV and above voltage level cable withstand voltage test use oil-immersed reactors, when the weight of single machine is more than 100kg, optional dedicated small electric cranes

Parameters

Note: Capacity(KVA) and voltage(KV) of test system can be produced according to your requirement. 

Rated output voltage

0~220kV(AC effective value)

Output frequency

30~300Hz

Resonate voltage waveform

Sine wave, distortion ≤1.0%

Full load working time

Continuous working time: 60min

System quality factor

≥20 under maximum load

Frequency adjustment

0.1Hz

Instability

≤0.01%

Power supply

Single phase :220V or three phase :380V±10%, frequency:50Hz±5%

Configuration table of cable (≤ 35kV) voltage withstand device:

Model

Control cabinet

Reactor(dry type)

Excitation transformer (dry type)

Divider

Application

WXTF-44/22

2.5kW

1A/22kV:2 sets

2.5kVA/1kV

25kV

10kV cable≤1km

WXTF-88/22

4kW

2A/22kV:2 sets

4kVA/1kV

25kV

10kVcable≤2km

WXTF-132/22

6kW

2A/22kV:3 sets

6kVA/1/3kV

60kV

10kVcable≤3km
35kVcable≤1km

WXTF-176/22

7.5kW

2A/22kV:4 sets

7.5kVA/1/3kV

60kV

10kVcable≤4km
35kVcable≤1km

WXTF-264/22

10kW

2A/22kV:6 sets

10kVA/1/3kV

60kV

10kVcable≤6km
35kVcable≤2km

WXTF-330/22

15kW

2.5A/22kV:6 sets

15kVA/1/3kV

100kV

10kVcable≤8km
35kVcable≤2km

WXTF-640/32

25kW

2.5A/32kV:8 sets

25kVA/1/3/5kV

200kV

10kVcable≤10km
35kVcable≤4km
110kV cable≤1km

Configuration table of cable (≥110kV)voltage withstand device :

Model

Control cabinet

Reactor (oil immersed)

Excitation transformer (oil immersed)

Divider

Application

WXTF-1300/130

50kW

5A/130kV:2 sets

50kVA/3/5kV

150kV

35kVcable≤2km
110kVcable≤2km

WXTF-2600/130

100kW

5A/130kV:4 sets

100kVA/3/5/10kV

220kV

35kVcable≤3km
110kVcable≤3km
220kVcable≤1.5km

WXTF-3200/220

160kW

4A/220kV:4 sets

160kVA/5/10kV

160kV

110kVcable≤5km
220kVcable≤3km

WXTF-6400/220

320kW

8A/220kV:4 sets

320kVA/5/10kV

320kV

110kVcable≤10km
220kVcable≤5km
500kVcable≤1km


FAQ:

1.When can I get the price?

We usually quote within 6hours after we get your inquiry. If you are vey urgent to get price, please call us or tell us in your email so that we will regard your inquiry priority.

2. What about the leading time for production?

Honestly, it depends on the order quantity and the product. Usually our leading time is within 7 working days after order confirmed.

3. What is your payment terms?

We accept EXW,FOB, CFR, CIF, ect. You can choose the one which is the most convenient and cost effective for you.

4. How much will be the Shipping cost and time?

This will depend on the size of your goods and the method of shipping (by sea/ by air/by Express) and your designated port or airport. We will be grateful if you can spare us some minutes to evaluate the cost based on the information provided.

5. Could you please tell me the Warranty Period of your product?

Our warranty period is one year free and lifelong maintenance. If the product is damaged (if not man-made damage), in the first year,we will send free parts for replacement. Over  warranty, maintenance is paid service.

6. What kind of Certificate can you provide?

We can provide the CE mark, ISO 9001 quality certificate, third party calibration certificate(CNAS) and factory test report.

7. Do you have Technical Backup to all customers from different countries?

To be sure,our technical support is always available and quick response.
We are manufacturer with much on-site testing experience, thus we know how to deal with your problems. Moreover, our engineers can go to your country to support if need.

 

contact US

  • Add : No. 335, B Dist., No. 4 Factroy, Optic Valley Industrial Area, Liufangyuan South Road No. 9, 
            Donghu High Tech Dvpt. Zone, Wuhan, Hubei, China

  • Email: sales02@0756gps.cn

  • Skype:+86 13618663321

  • Wechat: WG-Hipot

  • WhatsApp:+86 13618663321

  • Tel : +86-27-87888781

  • Fax: +86-27-87888782

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