应用现场大电流法测量接地电阻的方法

Measuring field earth resistance by using large current method

文章结合现场实例对大电流法现场测量接地电阻的方法进行了论述，着重对其抗干扰性及使用要点进行了分析探讨。对试验中电极布置、地网距电流极距离Ｓｚｃ、测量电流的大小、仪器仪表的合理选择等进行了详细的说明。

The paper describes the method of measuring field earth resistance by using large current,with some typical example also analyzes the anti-jamming characteristics and main test steps, giving a Complete scheme for pole collocation,the distance between earth network and pole,measuring current and selection of instrument.