The instrument injects a transient current between the ground point under measurement and an auxiliary ground point, and measures ground potential differences (GPDs) around the ground under measurement.

Discussion on important function of ground connection in electric fireproof safety;

This paper introduces the calculating method of person shocking current in the sysytem of power supply of neutral dot directground connection and not ground connection.

Some kinds of wrong protective ground connection with medical instruments and the dangerous results possibly caused by them were pointed.

The Cauterization and Safeguarding Measure of Electrical Earthing Equipment;

Study on the Earthing & Return of the Power Supply Modes Frequently Adopted by High-speed Railways;

The Study of the mode of the power network neutral point earthing with extinction coil and resistance connected in series;

Discussion on earth and measurement of electrical equipment;

Safety Design of Earthing Electric Equipment;

Analysis of Multipoint Earthing Faults in Magnetic Cores and Their Protective Measures;

Lightning Pro Tection and Grounding in Rockburst Monitoring and Orientation System of Mu Chengjian Mine;

An effective method to eliminate serious interference of ESP by an auxiliary grounding;

Problems on Workpiece's Grounding in the Process of Electrostatic Coating;

Comparing with Roles and Effects of Repetition Ground and Equipotential Coupling;

Ground of power system secondary equipment and laying of ground copper bars;

The Difference between the Line-ground Fault and the Broken Single-phase Line Fault in Underground System;