4Peek F W. Dielectric phenomena in high voltage engineering[M]. New York, USA:McGraw-Hill Book Company Inc, 1929.
5Sarma P M. Corona performance of high voltage transmission lines[M]. England: Research Studies Press Ltd, 2000.
6Anderson J G. Transmission line reference book 345 kV and a bore, second edition[M]. Palo Alto, California, USA:Electric Power Research Institute, 1982.
