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Help CenterTKCJ Lightning Impulse Voltage Generator Complete Test Equipment
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Impulse voltage generator is mainly used for impulse voltage test of power equipment such as lightning impulse voltage full wave lightning impulse voltage truncation wave and operating impulse voltage wave to test insulation performance.Impulse voltage generator a power supply device that imitates impulse voltages such as lightning and operating overvoltages.It is mainly used in insulation shock withstand voltage and dielectric shock breakdown and discharge tests.
Scope of application: standard lightning shock lightning cut-off wave for transformers reactors mutual transformers and other high voltage electrical appliances high voltage thyristor valve SVC(HVDC) power cables all kinds of high voltage insulators bushing operation shock and all kinds of non-standard shock wave impulse voltage test required by users.Various test waveforms (standard and non-standard waveforms user-generated waveforms) can be generated by a single set of equipment.Field of application: lightning protection and lightning test for quality inspection measurement inspection and supervision organizations power equipment manufacturers railway communications aerospace and aerospace vehicles military research units universities and meteorological departments.
900kV/67.6 kJ Lightning Impulse Voltage Generator Complete Test Equipment for Transformer Reactor Cable| Charging voltage | Setting range | 0 ~ 100kV |
| Scope of work | 20 ~ 100kV | |
| Setting deviation | ≤ ±1% | |
| Don't stability | ≤ ±1% | |
| Setting distinguish | 0.1kV | |
| Charging time | Setting range | 30~180s |
| Setting distinguish | 1s | |
| Alarm time delay | 2s | |
| Number of pressure | Setting range | 1~999 |
| Protection setting | Overcurrent protection value |
Can be set |
| Overvoltage protection value |
Can be set | |
| Dynamic charge protection |
Can be set | |
| Trigger pulse | More than 15kV rising time less than 100ns polarity can be switched | |
| Output impact stability | More than 99% | |
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Rated parameter value
1. Nominal voltage: 900kV
2. Rated voltage: 150kV
3. Nominal energy: 67.6kJ
4. Total impact capacitance: 0.167 microfarad (single pulse capacitor 2.0 microfarad / 75 kV 12 in total)
5 the total number of levels: 6
6. Standard waveform parameters:
(1) Full lightning surge voltage
Wave head time: 1.2us ± 30% uS wave tail time: 50us ± 20%
Voltage utilization factor> 85% (greater than 90% at no load 300PF);
(2) Standard cut-off: cut-off time 2-6uS zero-crossing coefficient ≤0.3% voltage utilization coefficient> 85%
7. the minimum output voltage is greater than 10% of the nominal voltage
8. Duration of use: Above 70% of rated voltage continuous operation can be performed after charging and discharging every 120 seconds and below 70% of rated voltage continuous operation can be performed after charging and discharging every 60 seconds.
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