• Lightning Impulse Voltage Test Systems Manufacturers, Lightning Impulse Voltage Test Systems Factory, Supply Lightning Impulse Voltage Test Systems
  • Lightning Impulse Voltage Test Systems Manufacturers, Lightning Impulse Voltage Test Systems Factory, Supply Lightning Impulse Voltage Test Systems
  • Lightning Impulse Voltage Test Systems Manufacturers, Lightning Impulse Voltage Test Systems Factory, Supply Lightning Impulse Voltage Test Systems
Lightning Impulse Voltage Test Systems
  • FSHV / LEIYU
  • CHINA
  • 60-120 Days
  • FIVG

Lightning impulse voltage testing for generators and motors according to IEC and other national standards.

Impulse voltage test systems are used for impulse voltage testing of instrument transformers, power transformers, cables, gas-insulated switchgears (GIS), generators, motors, and other high-voltage devices. The test systems generate lightning impulse voltage (LI, 1.2/50 μs), chopping lightning impulse voltages (LIC, front time 1.2 μs, front, crest or tail chopped), and switching impulse voltage (SI, 250/2500 μs) in accordance with IEC 60060-1; as well as IEC 60076-3 for transformers, and IEC 62067, 60840 and 60502-1 for cables), etc. Also it can be used for steeping and oscillating impulse test by adding some extra equipment.

 

Test system mainly consists of impulse voltage generator, charging device, damped capacitive divider, automatic control and measure system, chopping sphere gap, and other optional components (supporting resistors, glaninger circuit, etc).

 

The circuit of impulse generator is the Marx multiplier circuit. Impulse capacitors arranged in the stages of the generator are charged in parallel with DC voltage up to 100kV against earth potential and, in order to generate impulses, connected in series by spark gaps. For adjustment of front time and time to half value of the test impulse, the generator stages comprise front wave resistors and tail wave resistors. A short discharge loop guarantees low internal inductances and smooth voltage shape.

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