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    UHV Frequency Conversion AC Series Resonant Test System

    UHV Series AC resonant Test System can conduct the Withstand Voltage test for 0~ 1000kV cable, hydraulic generator, main Transformer, Bus, GIS, Switchgear and other electric instrument etc. And the system is mainly composed by AC Power Source, Excitation Transformer, High voltage reactors, High voltage Divider etc.

    Product Details of UHV Frequency Conversion AC Series Resonant Test System


    AC Resonant Test System_01


    Technical parameter

    (1) Variable Frequency Power SupplyHTXZ-90kW      1 unit

    Rated output capacity

    90kW

    Working power supply

    380±10%Vthree phase), frequency:50Hz

    Output voltage

    0–400V

    Rated input current

    225A

    Rated output current

    225A

    Voltage resolution

    0.01kV

    Voltage measurement accuracy

    1.5%

    Frequency regulation range

    30–300Hz

    Frequency Adjustment Resolution

    ≤0.1Hz

    Frequency stability

    0.1%

    Running time

    1 minute at rated capacity

    Temperature rise

    The highest temperature of components running continuously for 1 minutes at rated capacity is less than 65K

    Noise level

    ≤50dB

    Weight

    About 150kg

    Size(L*W*H)

    1000x700x845mm

     

    (2) Excitation Transformer HTJL-90kVA/4/8kV/0.4kV        1 unit

    Rated capacity

    90kVA

    Input voltage

    0-400V

    Output voltage

    4/8kV

    Type

    Oil type

    Weight

    560kg

    Size(L*W*H)

    850*750*800mm

     

    (3) High Voltage Reactor HTDK-1350kVA/135kV      2 sections

    Rated capacity

    1350kVA

    Rated voltage

    135kV

    Rated current

    10A

    Electric inductance

    60H/single section

    Quality factor

    Q≥30 (f=45Hz)

    Structure

    Oil type

    Weight

    1.25T

    Size(L*W*H)

    1000*1000*1250mm

     

    (4) Capacity DividerHTFY-2500pF/270kV                  1 set

    Rated voltage

    270kV

    High voltage capacity

    2500pF

    Dielectric loss

    tgσ≤0.5%

    Partial voltage ratio

    30001

    Measurement accuracy

    Valid value 1.5

    Size (inner diameter*height)

    Single sectionφ140×1000

    Weight

    About 30kg

     

    Nickname: AC Resonant Test System; ac resonant test; AC resonant system; Resonant system





    Feature

    1. The device has protection functions such as overvoltage, overcurrent, zero start, and system detuning (flashover). The overvoltage and overcurrent protection value can be set according to user needs. When the test sample flashover, the flashover protection action is taken to protect the product.

    2. The entire device is lightweight and easy to use on site.

    3. The device has three working modes, which are convenient for users to flexibly choose according to on-site conditions and improve the testing speed. The working modes are: fully automatic mode, manual mode, and automatic tuning manual boost mode.

    4. It can store and print data in different locations, and the stored data number is a number, which is convenient for users to identify and search.

    5. When the device automatically scans the frequency, the starting point of the frequency can be arbitrarily set within the specified range, and the LCD screen displays the scanning curve, making it convenient for users to intuitively understand whether to find the resonance point.

    6. Adopting DSP platform technology, it is convenient to add or remove functions and upgrade according to user needs, and also makes the human-machine exchange interface more user-friendly.

    7. The operation interface supports language switching function, and can freely switch multiple languages at the same time. The default is to switch between Chinese and English, and other languages can be customized.

    8. The system is equipped with a series resonance parameter calculator, which can quickly calculate the inductance, capacitance, frequency, resonant high-voltage current, and cable capacitance of series resonance with one click



    AC Resonant Test System_04









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