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.
Previous Page
Next Page
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.
Previous Page
Next Page
Professional R&D and production of various high-voltage high-tech enterprises!
Contact Us
ADD: 353 Xintuo Road, Xinmin Economic City, Songjiang District, Shanghai
TEL: 86-21-57681270
FAX: 86-21-57681270
Scan contact us.
Copyright @ 2023 Shanghai Dielec Electrotechnics Co.,Ltd. SEO
Technical Support:China Enterprise Power Puxi