Abstract
The information security of relay protection equipment is related to the safe and reliable operation of power grid. With the diversification of network security attacks, the existing security protection means of relay protection equipment cannot meet the security protection requirements of the new generation of substations. By analyzing the information security risk points of relay protection equipment in substation, the security protection requirements of relay protection equipment such as identity authentication, security audit, access control, data security, communication security, security reinforcement are studied, and targeted test methods are proposed to guide the development and testing of the new generation of relay protection equipment in the substation. It has effectively improved the information security protection level of relay protection equipment.
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