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XZ Resonance Boosting Device for CVT Testing, CVT Series Resonant Tester

Categories Electrical Test Instrument
Brand Name: AI
Model Number: XZ
Certification: ISO9001
Place of Origin: China
MOQ: 1 set Series Resonant Tester
Price: Negotiable
Payment Terms: Western Union, T/T, L/C
Supply Ability: 100 sets each month
Delivery Time: 3-10 days
Packaging Details: Series Resonant Tester Packed in veneer cases
Applicable: Current transformer, voltage transformer, CT, PT, VT
Rated capacity: 324kVA
Input power: 380V,50Hz,3 phase
Rated voltage: 54kV
CVT Series Resonant Tester output waveform: Sine wave
Power Supply: 220V, 50Hz
Warranty: 1 yearr
Working frequency: 30-300Hz
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XZ Resonance Boosting Device for CVT Testing, CVT Series Resonant Tester


  • CVT Series Resonant Tester is mainly used for ac withstand voltage test of cross-linked cable, hydraulic generator, main transformer, bus, GIS, etc.
  • It has a wide range of application and is an ideal withstand voltage equipment for local, municipal and count-level high voltage test departments and electric power installation and repair and test engineering units.
  • It is mainly composed of frequency conversion control power supply, excitation transformer, reactor, capacitor voltage divider and compensation capacitor (optional).


  1. CVT Series Resonant Tester​ has protection functions such as overvoltage, overcurrent, zero start, system detuning (flashover), overvoltage and overcurrent protection values can be set according to user needs, and flashover protection action when the sample flashes to protect the product.
  2. The entire unit is lightweight and easy to use on site.
  3. The device has three working modes, which is convenient for the user to flexibly select according to the site conditions and improve the test speed. The working modes are: fully automatic mode, manual mode, and automatic tuning manual boost mode.
  4. CVT Series Resonant Tester​ can store and print data off-site, and the stored data number is a number, which is convenient for users to identify and find.
  5. When the device is automatically swept, the starting point of the frequency can be arbitrarily set within the specified range, and the large screen of the liquid crystal displays the scanning curve, which is convenient for the user to intuitively know whether to find the resonance point.
  6. The DSP platform technology is adopted, which can conveniently increase or decrease functions and upgrades according to user needs, and also makes the human-machine exchange interface more humanized.

Main Technical Parameters and Functions:

1Rated Capacity324kVA
2The input powerThree-phase 380V voltage, frequency: 50Hz
3Rated Voltage54kV
4Rated current6A
5Working frequency30-300Hz
6Device output waveformSine wave
7Waveform distortion rateOutput voltage waveform distortion rate ≤1%
8Working timeContinuous 60min is allowed under rated load; Overvoltage 1.1 times 1 min
9Temperature riseTemperature rise ≤65K after continuous operation under rated load for 60min
10The quality factorDevice Q≥30(f=45Hz)
11Protection functionOver current, over voltage and flashover protection (see frequency conversion power supply for details)
12Accuracy of measurementEffective value of the system is 1.5

Working environment

1Environment temperature-100oC-50oC
2Relative humidity≤90%RH
3The altitude≤1000m

Exciter Transformer

1Rated Capacity9kVA
2The input voltage0-400V,Single phase
3The output voltage3kV
4StructureDry type
5WeightAbout 50kg

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