General InformationThis impulse test system is used for carrying
out full wave lightning impulse voltage tests on HV apparatus such
as clearance, bushings, capacitors, switches, power transformers
(capacity below 5000kVA), CT/PT at 35kV or
below.Specifications Nominal voltage: ±300kVRated energy:
30kJ(5kJ/stage)Impulse capacitance: 0.666µFNumber of Stage:
3Charging voltage per stage: ±100kVRated level capacitance: 2µF
(each impulse capacitor 2µF at 100kV, total 3pcs)Output voltage
waveform: (Load capacitance is 300-3000pF) T1= 1.2µs±30%,
T2=50µs±20%, peak voltage error≤3% standard lightning impulse
voltage full wave.Impulse voltage waveform parameters and error are
accorded with national requirements of GB311.1and GB16927.1
standard and IEC standard.Output Voltage Efficiency: Standard
lightning wave ≥90% when load capacitance is below 1000pF, standard
lightning wave ≥85% when load capacitance is below 2000pF.Locking
range: level voltage is within the range of 20%-100% of rated
voltage, positive and negative locking range no less than
25%.Out-of-control rate of synchronous discharge:
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