HV Lightning Test System Lightning Direct Effect Test

• Reliable and precise triggering unit by pulse amplifier
• Automatic polarity change
• Liquid insulation in the impulse capacitors offers optimal environmental compatibility (no PCBs). The impulse capacitors have very low inductance, high quality and long service life.
• Over-voltage protection, over current protection and fast voltage transients protection
• Protective earthing system, earthing rod and emergency button, gate interlock for personnel and equipment safety;
• Wave shaping resistors are designed for low inductance and connected with handy plug;
• Stable and precise communication between the measuring system and control system;
• The impulse generator is designed for indoor operation.
• The automatic control system is very user-friendly with touch panel.
• The measuring system can measure the test data, analysis and generate waveforms in the LCD screen.

SIVG series HV lightning test system can be used to perform lightning direct effect test according to SAE-ARP-5416A, RTCA-DO-160G (Section 23) and Mil-Std-464 on the aircraft structural.

1. Initial Leader Attachment Test
2. High Voltage Strike Attachment Test on Models.

The HV impulse voltage generator is designed for indoor operation.

• Input power supply: single phase, L-N, 220~240V,3kVA, 50Hz for control desk;

380V single phase 35kVA for the impulse generator.

• Total rated lightning impulse voltage: ±4800 kV
• Total impulse energy:360kJ
• Stage voltage: ± 200 kV
• Number of stages:24
• Stage energy:15kJ

Output waveform:

• Voltage Waveform A

Voltage waveform A is a voltage rising at the rated of 1000kV/μs ±50%. The rate of rise shall be measured from 30%~90% of the peak voltage.

• output voltage: ±4300kV without load (only 4.8MV impulse voltage divider as the load) ( charging voltage is 200kV per stage);
• Min output voltage:200kV;
• Voltage rise rate: 1000kV/μs ±50% (30~90% of peak voltage);
• T1: adjustable, to meet the voltage rise rate;
• T2: no requirement;
• Efficiency≥90%

• Voltage Waveform B-LI ( Lightning impulse )
  • output voltage: ±4300kV without load (only 4.8MV impulse voltage divider as the load) ( charging voltage is 200kV per stage);
  • Waveform: wave front time 1.2μs±20% / Wave tail time 50μs±20%;
  • Time to crest and decay time refers to the open circuit voltage of a lightning voltage generator and assumes that the waveform is not limited by puncture or flashover of the object under test.
  • Efficiency≥90% without load (only 4.8MV impulse voltage divider as the load);
  • • Voltage Waveform C

    Waveform C is a chopped voltage waveform in which breakdown of the gap between an object under test and the test electrodes occurs at 2μs (±50%).

    The amplitude of the voltage at time of breakdown and the rate of rise of voltage prior to breakdown are not specified.

  • Voltage Waveform D is a voltage rising to peak in between 50μs and 250μs with a time to 50% of peak of approximately 2000μs.
  • • Maximum output voltage without load: ±2400kV; (with test specimen, can be charged often at this test voltage)

SAE-ARP-5416A, RTCA-DO-160G (Section 23) and Mil-Std-464