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Wuhan GDMK Electric Co., Ltd.
Wuhan GDMK Electric Co., Ltd.  

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series resonance frequency conversion 

Payment Terms: T/T,T/T 
Place of Origin: Hubei, China (Mainland) 
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Product Detail

Model No.: TKBPXZ
Rated Capacity: 324kVA
Rated current: 6A
Production Capacity: 10
Rated Voltage: 54kV
Device output waveform: Sine wave

Transformer GIS SF6 switch CT/PT insulator bus bar cable bushing and others capacitive devices are the common primary electric equipments.

Product Description

       
        Transformer GIS SF6 switch CT/PT insulator bus bar cable bushing and others capacitive devices are the common primary electric equipments.

        The complete set of frequency conversion series resonance test equipment is mainly used for ac withstand voltage test of cross-linked cable, hydraulic generator, main transformer, bus GIS etc. 

       The complete set of frequency conversion series resonance test equipment is mainly composed of frequency conversion control power, supply excitation ,transformer reactor ,capacitor voltage divider and compensation capacitor (optional).





Product Characteristics

  • 1,The device 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,It 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.

Product Parameters

The work environment

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

Main technical parameters and functions of the device

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

Exciter transformer

Rated Capacity9kVA
The input voltage0-400V,Single phase
The output voltage3kV
structuredry type
WeightAbout 50kg

Variable frequency power supply

Rated output capacity18kW
Working power supply380±10%V (three-phase) power frequency
The output voltage0-400v single phase
Rated input current45A
Rated output current45A
Voltage resolution0.01kV
Accuracy of voltage measurement1.5%
Frequency range30-300Hz
Frequency regulation resolution≤0.1Hz
Frequency stability0.1%
Running timeContinuous 60min at rated capacity
Noise level≤50dB

High voltage reactor

Rated Capacity54kVA
Rated Voltage27kV
Rated Voltage2A
inductance68 H/single section
The quality factorQ≥30(f=45Hz)
structuredry type
WeightAbout 75kg

Capacitor divider

Rated voltage60kV
High piezoelectric capacity2500pF
Dielectric losstgσ≤0.5%
Voltage division ratio1000:1
measurement accuracyValid value of 1.5
WeightAbout 10kg


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Tel: 86-27-81920667
Mobile: 181 6409 5486
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Company Info

Wuhan GDMK Electric Co., Ltd. [China (Mainland)]


Business Type:Manufacturer
City: Wuhan
Province/State: Hubei
Country/Region: China (Mainland)

gdmk:   skype

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