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300KV Lightning Impulse Voltage Current Generator For Gas-Insulated Switchgear (GIS) Testing
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1.Complete equipment and wide voltage levels in the whole set of device , voltage capacity series is complete, perfect in shape and function.
2.Successful development of No partial discharge epoxy insulator ,Small electric inductance in the return circuit of the impulse voltage generator.
3.Simple in operation, Convenient in wave adjustment , excellent in synchronization performance and reliable in motion.
4.High automation and strong anti-interference capacity.

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Chopping gap, performing cut-wave tests.
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Shunt resistor,the current waveform can be correctly recorded in the tests.
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Specifications:
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1
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Impulse voltage grade
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100kV-7200kV
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2
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Standard lightning wave
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1.2±30%/50±20%µS
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3
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Peak oscillation
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5%
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4
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Standard switching wave
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250±20%/2500±60%µS
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5
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Virtual front time of oscillating lightning wave
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15µS
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6
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Virtual front time of oscillating switching wave and virtual front time of oscillating switching impulse wave
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15µS-1µS
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7
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The minimum output voltage
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10%Un
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8
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Charging voltage instability
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1%
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9
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Synchronizing range
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20%
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10
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Synchronous discharge error rate
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2%
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11
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Ignition range
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10%-100%
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12
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Working time
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70%UN Discontinuous work(charge-discharge 300s/time)
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70%nn Continuous work(charge-discharge 120s/time)
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13
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Generator efficiency
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lightning wave (no load)-----90%
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14
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Time to chopping
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2-5µS
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