【摘要】 提出一种冲击接地电阻的测量方法,利用波头较缓、幅值较小的入射电流,通过变换计算求出接地装置在波头较陡、幅值较大的雷电流波形作用下的电压响应,从而求出冲击接地电阻。为了验证该方法,对该算法进行Matlab仿真,结果证明该计算方法的理论正确,且具有较高的工程实用价值。更多还原

【Abstract】 A method to measure impulse grounding resistance is bring forward.Using the injecting current with smooth wave-head and small amplitude value we can get a voltage response through transforming calculation.The voltage response is generated by the grounding apparatus under the effect of the thunder current with sharp wave-head and big amplitude value.Accordingly we can get the impulse grounding resistance. To verify the correctness of the method, the author carries out the Matlab simulation experimentation.The simulation results prove the method is practicable and valuable in engineering fact. WT更多还原