The lightning impulse test device rigorously tests the insulation performance of power equipment, electronic components, and systems by simulating the transient characteristics of lightning overvoltage. It is the core equipment that ensures the safe operation of equipment in extreme voltage environments. Its application scenarios cover a wide range of fields such as electricity, new energy, rail transit, aerospace, communication, industrial control, and scientific research and education. The following is an analysis of specific application scenarios:
1. Manufacturing and Testing of Power Equipment
Core requirement: Verify the insulation strength of power equipment (such as transformers, switchgear, cables, insulators) under lightning overvoltage to ensure compliance with international/national standards
Typical scenario:
① Transformer insulation test
Application: Conduct lightning impulse full wave and cut wave tests on power transformers to verify the withstand voltage capability of winding to winding and winding to ground insulation.
② High voltage switchgear testing
Application: Conduct lightning impulse withstand tests on GIS, circuit breakers, etc. to ensure that they will not experience insulation breakdown during switch operation or lightning strikes.
③ Cable insulation test
Application: Conduct lightning impulse tests on high-voltage cables to evaluate their insulation layer's resistance to transient overvoltage.
2. In the field of new energy
Core requirement: Verify the reliability of new energy equipment under overvoltage caused by lightning strikes or grid faults.
Typical scenario:
① Photovoltaic inverter testing
Application: Simulate lightning strikes causing a sudden increase in DC side voltage, test the insulation tolerance of inverter DC side capacitors and IGBT modules.
② Wind power inverter testing
Application: Verify the protection function of wind power converters in the event of a sudden increase in grid voltage caused by lightning strikes (such as overvoltage protection, rapid shutdown).
③ Energy storage system testing
Application: Test the protection logic (such as balance control and fault isolation) of the energy storage battery management system in the event of abnormal battery pack voltage caused by lightning strikes.
3. Rail Transit and Aerospace
Core requirement: Verify the anti-interference ability of rail transit equipment and aerospace equipment under lightning strikes or electromagnetic pulses.
Typical scenario:
① Testing of traction power supply system for rail transit
Application: Simulate lightning strikes causing a sudden increase in contact network voltage, and test the insulation withstand capability of traction transformers, rectifiers, and other equipment.
② Aircraft power system testing
Application: Verify the stability of the aircraft power system during voltage transients caused by lightning strikes.
③ Satellite electronic equipment testing
Application: Simulate the interference of space lightning strikes on satellite electronic equipment and test its anti radiation reinforcement capability.
4. Communication and Industrial Control
Core requirement: Verify the anti-interference ability of communication equipment and industrial control systems under lightning strikes or electrostatic discharge.
Typical scenario:
① Communication base station testing
Application: Simulate lightning strikes causing a sudden increase in the voltage of base station antennas, and test the insulation tolerance of base station power modules and RF modules.
② Industrial PLC testing
Application: Verify the anti-interference ability of PLC input/output (I/O) modules in the event of signal line voltage transients caused by lightning strikes.
③ Sensor testing
Application: Test the output stability of the sensor when the signal line voltage suddenly rises due to lightning strikes.
5. Research and Education Fields
Core requirement: To provide a high-precision lightning impulse testing platform for universities and research institutes, supporting research on insulation materials, electromagnetic compatibility testing, and talent cultivation.
Typical scenario:
① Research on Insulation Materials
Application: Study the breakdown characteristics of new insulation materials under lightning impulse and optimize material formulations.
② Electromagnetic compatibility testing
Application: Test the electromagnetic interference emission level of electronic devices under lightning impulse and evaluate whether they meet EMC standards.
③ Teaching Experiment
Application: To provide a teaching platform for lightning impulse testing for electrical engineering majors in universities, and to cultivate students' practical abilities and safety awareness.
6. Other special scenarios
① Nuclear power plant equipment testing
Application: Verify the reliability of nuclear power plant safety systems under voltage transients caused by lightning strikes.
② Ship power system testing
Application: Simulate lightning strikes causing sudden voltage surges in ship power grids, and test the insulation tolerance of ship motors and distribution boards.
The ZCCJ-800kV/80kJ impulse voltage generator adopts a four column H structure, with a steel bracket consisting of a single flange and a parallel external single capacitor, forming a stable structure consisting of one stage. The main equipment is of 8 levels, forming a combined tower structure, with each level stacked step by step for easy disassembly and maintenance, and the overall structure is stable.
This set of equipment is mainly designed to meet the lightning full wave and steep wave waveform tests of electrical equipment such as power insulators.The basic configuration of the equipment includes a charging device, an impulse voltage generator body, a weak damping capacitor voltage divider, a steep wave device, a fast resistor voltage divider, and other control and measurement devices.
Kvtester Electronics Technology Co.,Ltd. is a high-tech enterprise specializing in power testing, testing, research and development, production, and sales of testing equipment. It has been engaged in the electrical testing industry for many years, and its products are of high quality. We welcome customers to come and purchase. Service hotline: 0086-27-81778799, to learn more, visit the official website: www.kvtester.com
