400kV / 40kJ HV Impulse Voltage Test System Generator Automatic
System instruction Main Parameters for System
T1=1.2µs±30%, T2=50µs±20%, standard lightning impulse voltage full waveform of peak voltage deviation≤3%;
Standard operation waveform 250±20%/2500±60%. These 2 Impulse voltage waveform parameters and error are accorded with national requirements of IEC standard.
- Voltage utilization factor: Standard lightning impulse voltage waveform ≥90% when load capacitance is below 1000pF, standard operation impulse voltage waveform≥80% when load capacitance is below 2000pF. Standard operation impulse voltage waveform ≥70%.
- Locking range: level voltage is within the range of 20%-100% rated voltage, positive and negative locking range no less than 25%.
- Out-of-control rate of synchronous discharge: <5%
- Min. output voltage: ≥±20% of rated voltage.
- Instability of discharge voltage: <±1.0%
- Continuous time: Above 2/3 of rated voltage, continuous working when charge and discharge once every 120s. Below 2/3 of rated voltage, continuous working when charge and discharge once every 60s.
- Nominal voltage: ±200kV
- Rated stage voltage: ±100kV
- Rated energy: 10kJ
- Impulse capacitance: 0.5µF
- Number of stages: 2
- Rated stage capacitance: 1µF(each impulse capacitor 1µF at 100kV, total 2pcs)
- Impulse voltage waveform: generated when load capacitance is 300-3000pF.
