Products

HV DC test system

As the DC HV transmission project develops, it requires DC HV test. For instance, the feature testing for insulation materials and cables under DC high voltage.

  • 产品描述
  • 左上角内容
  • Environment

    • Maximum altitude:1000m • Temperature:-5℃~+35℃
    • Operation temperature of electrical component:10℃~+40℃ • Relative humidity of HV compnent (non condensing):≤90%
    • Relative humidity of electrical compnent (non condensing):≤80% • Operation environment:No dust

    DHV-Series DC HV Test Device

    It adopts pulse adjustable technology, high frequency feedback, high stabilty of voltage, the ripple factor ≤ 1%
    Smooth voltage regulating, the regulation precision ≤ 0.5%,stabilization ≤ 1%,
    the voltage and current error is 1%±2 digits
    Voltage is increased from zero, voltage scale indicated.
    0.75U DC 1mA function button, which is convenient for zinc-oxide arrester test, accuracy ≤ 1%
    The over voltage protection can be set by dial, error ≤ ±1%

    Technical parameter

    Rated capacity: 10W~8000W
    Input voltage: 220±10V 380±10V
    Output voltage: 10kV~800kV
    Output current: 1mA~50mA
    Frequency: 50Hz 60Hz
    Measuring accuracy: Class1.0
    Continuous at rated voltage and current: 30 minutes

    DHVL-Series DC HV Test Device

    As the DC HV transmission project develops, it requires DC HV test. For instance, the feature testing for insulation materials and cables under DC high voltage.

    The main features

    HV silicon has multiple sections, with manual/auto polarity switch. The DC tester is integration of divider and control desk, easy to move;

    The DC power loop adopts single phase test transformer sevaeral stages voltage-multiplying rectification loop. The test transformer primary loop power is supplied by regulator voltage device.

    Components

    • DHV- DC Generator:1set • RVD- Resistive divider:1pc • YDT- Charging transformer:1pc
    • TDGZ- Contact type regulator:1pc • JTKZ-5 Control and measure system:1pc • XL- Protection resistor:1pc
    • Spares with measuring and control cables:1set    

    Main technical parameter

    Rated voltage:±400kV ~ 3000kV
    Rated current:±5mA ~ 50mA
    Output voltage wave coefficient:<3%; 1min output voltage variation not above 1%; instability of the whole voltage test system ≤ 3%
    Voltage measure precision not below class 1, rated secondary voltage not above 200V, under rated voltage, current not above 1 mA; divider precision not below class 1;
    secondary reading precision not below class 0.5;
    HV silicon polarity can be switched manually and automatically;
    Under 100% voltage, switch time between different polarity(100% voltage lowering from one polarity, discharge, HV silicon stack switch, rising
     to 100% voltage of another polarity)≤ 60s. It can be switched continuously.

HV DC test system

产品系列: POWER SYSTEM PRODUCTS

  • 产品描述
  • 左上角内容
  • Environment

    • Maximum altitude:1000m • Temperature:-5℃~+35℃
    • Operation temperature of electrical component:10℃~+40℃ • Relative humidity of HV compnent (non condensing):≤90%
    • Relative humidity of electrical compnent (non condensing):≤80% • Operation environment:No dust

    DHV-Series DC HV Test Device

    It adopts pulse adjustable technology, high frequency feedback, high stabilty of voltage, the ripple factor ≤ 1%
    Smooth voltage regulating, the regulation precision ≤ 0.5%,stabilization ≤ 1%,
    the voltage and current error is 1%±2 digits
    Voltage is increased from zero, voltage scale indicated.
    0.75U DC 1mA function button, which is convenient for zinc-oxide arrester test, accuracy ≤ 1%
    The over voltage protection can be set by dial, error ≤ ±1%

    Technical parameter

    Rated capacity: 10W~8000W
    Input voltage: 220±10V 380±10V
    Output voltage: 10kV~800kV
    Output current: 1mA~50mA
    Frequency: 50Hz 60Hz
    Measuring accuracy: Class1.0
    Continuous at rated voltage and current: 30 minutes

    DHVL-Series DC HV Test Device

    As the DC HV transmission project develops, it requires DC HV test. For instance, the feature testing for insulation materials and cables under DC high voltage.

    The main features

    HV silicon has multiple sections, with manual/auto polarity switch. The DC tester is integration of divider and control desk, easy to move;

    The DC power loop adopts single phase test transformer sevaeral stages voltage-multiplying rectification loop. The test transformer primary loop power is supplied by regulator voltage device.

    Components

    • DHV- DC Generator:1set • RVD- Resistive divider:1pc • YDT- Charging transformer:1pc
    • TDGZ- Contact type regulator:1pc • JTKZ-5 Control and measure system:1pc • XL- Protection resistor:1pc
    • Spares with measuring and control cables:1set    

    Main technical parameter

    Rated voltage:±400kV ~ 3000kV
    Rated current:±5mA ~ 50mA
    Output voltage wave coefficient:<3%; 1min output voltage variation not above 1%; instability of the whole voltage test system ≤ 3%
    Voltage measure precision not below class 1, rated secondary voltage not above 200V, under rated voltage, current not above 1 mA; divider precision not below class 1;
    secondary reading precision not below class 0.5;
    HV silicon polarity can be switched manually and automatically;
    Under 100% voltage, switch time between different polarity(100% voltage lowering from one polarity, discharge, HV silicon stack switch, rising
     to 100% voltage of another polarity)≤ 60s. It can be switched continuously.