Design,Construction Testing of Earthing Pole of ±500 kV DC Transformer Engineering

Based on the first HVDC grounding electrode Engineering"± 500kV Yimin converter Haergan grounding electrode engineering" on northeast area in China,Introduced by Yimin converter grounding electrode design principles and methods,construction process and note,and analyzing grounding electrode main parameter testing methods,Suggestions are provided for the design of grounding electrode in domestic and northeast area of similar HVDC transmission line.