Profile:
Waveform deviation range: T1:7-9uS, T2:20-22uS;
GB7449 Test guidelines for lightning shock and operating shock of power transformers and reactors.
Features:
Conditions of use
Altitude: ≤1000m
Ambient temperature: -5℃ ~ +45℃
Maximum daily temperature difference: ≤25℃
Air relative humidity: ≤ 90% (20℃)
Earthquake resistance: ≤7
The horizontal ground acceleration is 3.0m/s2, and the vertical ground acceleration is 1.5m/s2
The waveform of the power supply voltage is the actual sine wave, and the waveform distortion rate is less than 3%
With a reliable ground point, grounding resistance < 0.5Ω
Installation location: indoor
Parameter:
1. Nominal voltage: 300kV
2. Rated voltage: 150kV
3. Rated energy: 45kJ
4. Impact capacity: 75k/2uF*8 sets
5. Total level: 2
6. Output waveform: 8/20 waveform 10kA, to meet the 36kV whole arrester test
7. Waveform deviation range: T1: 7-9US, T2:20-22uS
8. Inverse peak coefficient: ≤20%
9. Rated capacity: 2F/150kV
10. The impulse current waveform parameters and their deviations are in line with the requirements of GB/T 311.1 and GB/T 16927.1 national standards.
11. Minimum output voltage: ≥±10% rated voltage
12. Charging voltage instability: <±1.0%
13. Use duration: above 2/3 rated voltage, charge and discharge once every 120 seconds can run continuously, below 2/3 rated voltage, charge and discharge once every 60 seconds cocoa continuous operation