YuanYuanXin Industrial Park

China, Wuhan 430040

+86 136 572 20727

24/7 Customer Support

Email:cici@sansionpower.com

Online for your needs on test solution

Impulse Voltage Test System

Mimics surges, assesses equipment insulation resilience

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Customized needs

Phone:+86 136 572 20727       Email:cici@sansionpower.com

The Impulse Voltage Test System is designed to generate high-voltage impulse waves that mimic lightning strikes and switching surges. These transient overvoltages can occur in power systems and have the potential to cause significant damage to electrical equipment. The system helps in assessing how well the insulation and overall structure of the equipment can withstand these sudden voltage spikes.

Features

  • Waveform Generation: Capable of generating standard lightning impulse waves, switching impulse waves, and other custom waveforms.
  • Adjustable Parameters: Allows for precise control over amplitude, duration, and shape of the impulse wave.
  • High Voltage Capability: Can generate extremely high voltages to simulate real-world transient overvoltage conditions.
  • Safety Measures: Equipped with safety interlocks, emergency stop functions, and other protections to ensure user safety.
  • Digital Control and Monitoring: Offers computerized control and real-time monitoring of the test process, often with user-friendly software interfaces.

Applications

  • Transformer Testing: Evaluating the insulation and structural integrity of power transformers under impulse conditions.
  • Cable Testing: Assessing the performance of high-voltage cables when subjected to transient overvoltages.
  • Switchgear and Breaker Testing: Testing the resilience of switchgear, circuit breakers, and other switching equipment.
  • Insulator and Arrestor Testing: Verifying the quality of insulators and surge arrestors.
  • Research and Development: Used in R&D labs to study the effects of transient overvoltages on new materials and designs.

Impulse Voltage Test System Specifications

  • Impulse Voltage Grade: Ranges from 100kV to 7200kV.
  • Standard Lightning Wave: 1.2µS with a tolerance of ±30%, and 50µS with a tolerance of ±20%.
  • Peak Oscillation: Less than 5%.
  • Standard Switching Wave: 250µS with a tolerance of ±20%, and 2500µS with a tolerance of ±60%.
  • Virtual Front Time of Oscillating Lightning Wave: Less than or equal to 15µS.
  • Virtual Front Time of Oscillating Switching Wave: Ranges from 15µS to 1mS.
  • Minimum Output Voltage: Greater than or equal to 10% of nominal voltage (Un).
  • Charging Voltage Instability: Less than ±1%.
  • Synchronizing Range: Greater than or equal to 20%.
  • Synchronous Discharge Error Rate: Less than 2%.
  • Ignition Range: 10% to 100%.
  • Working Time:
    • Greater than or equal to 70% of nominal voltage (Un): Discontinuous work (charge-discharge cycle of 300 seconds per time).
    • Less than 70% of nominal voltage (Un): Continuous work (charge-discharge cycle of 120 seconds per time).
  • Generator Efficiency:
    • Lightning wave (no load): Greater than or equal to 90%.
  • Time to Chopping: 2 to 5µS.

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