high voltage impulse voltage generator lab test equipment
I. Summary. impulse voltage generator is used for impulse voltage test of lightning impulse voltagefull wave , lightning impulse voltagechopped waveandoperationimpulse voltage wave which apply to electrical equipment ect. Multiple waveform impulse voltage generator can produce eight kinds of waveforms of standard lightning wave, operation wave, lightning chopped wave, oscillating lightning wave,oscillatingoperation wave, line insulator steep wave, composite insulator steep wave, transformer induction operation wave.The technologyindexaccords with national standard and IEC standard, is in the leading position at home and has reached an advanced level in the world.
II.Waveforms of various shapes The impulse voltage generator can emit pulse waveforms of various shapes, but according to the needs of the test study, according to the relevant international standards and national standards, the main generation of the following impact voltage waveforms: 1.standard lightning impact waveform 2.standard operating impact waveform 3.other special impact voltage waveforms, such as special operation shock waves. III.Main components ofmultistage impulse generator 1.SCR pressure regulating device 2.DC charging device 3.Impulse voltage generator 4.Multi-ball truncation device (optional) 5.Steep voltage device (optional ) 6.Coupling divider 7.Tested object 8.Isolation impedance(optional) 9.Combined power supply(optional) 10 Current diverter 11.Control system 12. Measuring system
IV.Technical Parameter 1.Nominal stage : Can be customized,such as 300kV, 600kV, 1200kV, etc. 2.Rated voltage stage: Normally±100kV 3.Rated Charging voltage: Normally±100kV 4.Nominal energy: Can be customized,such as 10KJ, 20KJ, 30KJ, etc. 5.Total impact capacitance: Can be customized according to tested object 6.Impulse voltage waveform parameters 1)Standard lightning impulse voltage full wave:1.2±30%ms /50±20%ms,The amplitude is±3%, The oscillation at the wave head is not more than 5% of the amplitude 2) Standard operating impact waveform 250±20%ms /2500±60%ms;Chopper waveform time :2~6mS 3)Impulse voltage waveform:Impulse voltage waveform>10%Un,synchronizing range ≤20%,Instability rate of output voltage≤1.5%,Error rate of synchronous discharge<2%
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