GDTF(L)-225/25 PD-free AC Series Resonant Test System- 

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    GDTF(L)-225/25 PD-free AC Series Resonant Test System hits:

    Product Description

    The system is specially designed for PD-free AC withstand voltage test for electric generator, capacitance of single phase to ground is 0.4-1.2uF, test voltage is no more than 24kV.


    Working Environment

    • Environmental temperature: -10℃ to 50℃
    • Related humidity: ≤ 90% RH
    • Altitude: ≤ 1km

    Technical Data & Functions

    1. Rated capacity: 225kVA
    2. Input power supply: Single phase 380V; 50Hz
    3. Rated voltage: 25kV
    4. Rated current: 9A
    5. Working Frequency: Power frequency 50Hz
    6. Output voltage Waveform distortion rate: ≤0.5%
    7. Working time: continuous working of 15min under rated load.
    8. Temperature rise: ≤65K after continuous working of 15min under rated load
    9. Quality factor: Q ≥10 
    10. Accuracy: 1.5% (RMS)
    11. Protective function: over-current, over-voltage and flashover protections for test object.
    12. Partial discharge amount: ≤5PC


    Test Power Supply, L and Cx Relationship Table

    Capacitance range of test object (Cx)

    Adjustable range of reactor 

    (L)

    0.4~1.2uF

    8H~26H

    Note: Cx is capacitance of test object.

     

    PD-free AC power frequency withstand voltage test: adopts series resonant test device to make AC withstand voltage test and dielectric loss test for generator.

    Reactor selection

    Reactor

    Rated capacitance (kVA)

     

    Rated VoltagekV

    Rated Current

    A

    Capacitance range uF

    Inductance range(H)

    Adjustable reactor 1 set

    225kVA

    25kV

    9A

    0.41.2

    826H

     

    System Configuration

    1. PD-free Excitation Transformer  GDJL-27kVA/3kV/0.4kV (1 set)

    2. PD-free Isolation Transformer GDGL-27kVA/380V/380kV  (1 set)

    3. PD-free Resonance Control Unit  GDTF-27kVA/380V (Including voltage regulator) (1 set)

    4. PD-free Adjustable Reactor GDDK-225kVA/25kV    (1 set)

    5. PD-free Capacitive Voltage Divider   GDFR-30kV    (1 set)


    CONTACT US
    Address: F/10, Block B7, JinYinTan Modern Enterprise City, Dongxihu District, Wuhan, China
    Email: info@hvhipot.com
    Skype: hvhipot@hotmail.com
    Tel: +86-27-85568138
    Fax: +86-27-65606183
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