50KV AC High Voltage Very Low Frequency Tester

Very Low Frequency High Voltage Tester (VLF-50KV)

VLF (Very Low Frequency) Testers are suitable for testing power cables, transformers, switch gear, rotating machinery and other electrical apparatus.

Specifications:

• Input: 220 ± 10% Volts AC, 50/60 Hz, single phase.
• Output-Voltage: 60KV.
• Output frequency: 0.1Hz, 0.05Hz, 0.02Hz.
• Stability of frequency: Fluctuation < 0.5%
• Measurement accuracy: ± 3%.
• Positive and negative voltage peak errors: 3%.
• Voltage waveform distortion: 5%
• Construction: In two units: Controller and Booster.
• Ambient conditions of use: Temperature Indoor and outdoor: -10 to + 50 ºC
• Humidity: 85%

The third generation of advantages:

• Waveform without distortion: Standard sine wave output.
• Strong load capacity: load capacitance to meet the rated capacity(0.1Hz 1.1uF, 0.05Hz 2.2uF, 0.02Hz 5.5uF).
• Little impact pulse current: Cycloconverter pulse current generated little impact on the grid.
• Strong EMI immunity: During the test controller is stable and reliable.
• Simple operation: Capacitive screen operation, simple and convenient.

Performance Characteristics:

• Advanced inverter technology: Digital AC-AC inverter technology, advanced software closed-loop control, precise standard output without distortion sine wave, fully automated testing process.
• Display: The 7 'capacitive touch screen, the screen displays real-time measurement data and the output waveform.
• Comprehensive protection: high, low pressure side of the over voltage and over-current protection, rapid response action (action time 10ms).
• Simple operation: simple wiring, fool type operation.
• Safe and reliable: the controller and the high voltage generator connected to the low pressure, photoelectric control, safety and reliability.
• The high and low voltage closed-loop negative feedback control circuit, the output can not rise effect.
• Test range: 0.1 Hz, 0.05Hz and 0.02Hz multi frequency selection, large measuring range.
• Printer: print the test results.
• Small size, light weight: very conducive to outdoor work.
• Communication interface: USB2.0.
• Software: Equipped with specialized SVLF ultra low frequency high-voltage generator software, can be tested by software, and the data query and print statements.
  

Technical Specification: