The cause of lightning interference on substation room are analyzed and studied, and the deficiency that locality there exists in transformer substation room lightning protection is pointed out combining with current situation surveying in Shaoguan city： the local machine room power source lightning protection and signal lightning protection have not added mostly; meanwhile, the equipotential bonding mode is improper, the grounding copper cable being excessively long is also a important cause of the microcomputer system failure. And then based...
