Simulation and analysis of human body micro-shocks in the ion flow field near HVDC transmission lines
2018
Abstract Micro-shocks may happen when the human body is close to high-voltage transmission lines. Experiments near the actual operating ±1100 kV high-voltage direct current (HVDC) lines with a metal human body model (HBM) are conducted. The voltages on the HBM and the micro-shock currents are measured. A micro-shock simulation method in the ion flow field is presented according to the measured results. Based on the simulation method, the variations of current, charge and energy on the HBM during the micro-shock process are investigated. The influences of resistance and capacitance parameters on micro-shock currents are analysed. Furthermore, a simplified simulation method is given to estimate the micro-shock currents for the potential demand of engineering practice.
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