Development of Impulse Heavy Current Grounding Test System
Xianghan Wang, Min Dai, Qinghua Peng
Available Online June 2015.
- https://doi.org/10.2991/icecee-15.2015.295How to use a DOI?
- impulse heavy current; lightning wave; grounding test; circular returning electrode; split type impulse current generator
- A impulse heavy current grounding test system is designed to research impulse characteristics of grounding devices.Structure and test ability of the system are introduced. The system is composed of four impulse current generators symmetrically installed around a return electrode with 20m radius. Each generator is designed by low-conductance type and it’s maximum charging voltage is 1000kV. The generators are charging and discharging synchronously. The loop inductance is reduced in this system and the current output capability is enhanced. The system can simulate lightning current diffusion under the ground, and generate multiple impulse waveforms on high peak current. When load resistance equals 4 , an 8/20 s lightning impulse current of peak value 100kA is generated.When load resistance equals 28.49 , a 15kA 2.6/50 s lightning impulse current is provided.The test system is helpful for further research of grounding devices’ impulse characteristic and the electrode spark effect.
- Open Access
- This is an open access article distributed under the CC BY-NC license.
Cite this article
TY - CONF AU - Xianghan Wang AU - Min Dai AU - Qinghua Peng PY - 2015/06 DA - 2015/06 TI - Development of Impulse Heavy Current Grounding Test System BT - 2015 2nd International Conference on Electrical, Computer Engineering and Electronics PB - Atlantis Press SN - 2352-538X UR - https://doi.org/10.2991/icecee-15.2015.295 DO - https://doi.org/10.2991/icecee-15.2015.295 ID - Wang2015/06 ER -