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    UHV Series Resonant System

    Suitable for large capacity, high voltage capacitance test and preventive test

    Manual Pictures Video

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    Product Introduction

    This device 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.

    The device is mainly composed of frequency conversion control power supply, excitation transformer, reactor, capacitor voltage divider and compensation capacitor (optional).

    Product nickname: series resonance, frequency conversion resonance, frequency conversion series resonance, series resonance test equipment, series resonance voltage withstand device, cable voltage withstand series resonance device

    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 Capacity 324kVA
    The input power Three-phase 380V voltage, frequency: 50Hz
    Rated Voltage 54kV
    Rated current 6A
    Working frequency 30-300Hz
    Device output waveform Sine wave
    Waveform distortion rate Output voltage waveform distortion rate ≤1%
    Working time Continuous 60min is allowed under rated load; Overvoltage 1.1 times 1 min
    Temperature rise Temperature rise ≤65K after continuous operation under rated load for 60min
    The quality factor Device Q≥30(f=45Hz)
    Protection function Over current, over voltage and flashover protection (see frequency conversion power supply for details)
    Accuracy of measurement Effective value of the system is 1.5

    Exciter transformer

    Rated Capacity 9kVA
    The input voltage 0-400V，Single phase
    The output voltage 3kV
    structure dry type
    Weight About 50kg

    Variable frequency power supply

    Rated output capacity 18kW
    Working power supply 380±10%V (three-phase), power frequency
    The output voltage 0-400v, single phase
    Rated input current 45A
    Rated output current 45A
    Voltage resolution 0.01kV
    Accuracy of voltage measurement 1.5%
    Frequency range 30-300Hz
    Frequency regulation resolution ≤0.1Hz
    Frequency stability 0.1%
    Running time Continuous 60min at rated capacity
    Noise level ≤50dB

    High voltage reactor

    Rated Capacity 54kVA
    Rated Voltage 27kV
    Rated Voltage 2A
    inductance 68 H/single section
    The quality factor Q≥30(f=45Hz)
    structure dry type
    Weight About 75kg

    Capacitor divider

    Rated voltage 60kV
    High piezoelectric capacity 2500pF
    Dielectric loss tgσ≤0.5%
    Voltage division ratio 1000：1
    measurement accuracy Valid value of 1.5
    Weight About 10kg
    注：

    1.The appearance of the product is subject to the actual product, and the technical parameters and models are subject to change without prior notice. If there is misappropriation or copying, legal liability will be pursued.

    2.For more information aboutWuhan UHV, please enter Product center. Service email：info@hvtest.cc

    Product Characteristics

    Product Video

    Workshop Site

    Wuhan UHV owns a workshop area of 4,500 square meters and employs more than 100 people. The series resonant device is widely used in electric power, metallurgy, petroleum, chemical and other industries. It is suitable for large capacity and high power cables, power transformers, hydroelectric generators, GIS, etc. Handover and preventive testing of voltage capacitive samples.

    Product Picture

    Product attachment diagram

    Complete set

    Excitation transformer

    Frequency Power

    Reactor

    Compensation capacitor

    Voltage divider

    Divided signal line

    power cable

    Reactor series and parallel line

    Reactor series and parallel line

    Frequency converter output line

    Excitation variable output line

    Ground wire

    Dedicated test line alligator clip

    Special test line pliers

    u disk

    Product detail map

    Excitation transformer

    Excitation transformer panel

    Excitation transformer input

    Excitation transformer terminal

    Frequency Power

    Variable frequency power input

    Frequency conversion power supply

    Product Certificate

    Enterprise products in strict accordance with international and national standards and rules of industry production, through the national, provincial and municipal electric power research institute and electric power authorities detection, measuring center, fully passed the ISO9001 international quality management system certification, the licence for manufacturing measuring instruments of the People's Republic of China, GB/T19001-2016 quality management system requirements, GB/T24001-2016 environmental management system requirements, GB/T45001-2020 occupational health and safety management system requirements.

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