Релейная защита

Information about the purpose and basic properties of relay protection is provided. Measuring transducers and protection power supplies are considered. Descriptions of the main types of relays and protection kits are given. The principles, schemes and features of protection of electric networks, synchronous generators, electric motors and transformers are considered. Methods for calculating parameters and information on the protection of AC and DC traction networks from short circuits and overload are described. Protection of elements of traction substations is considered. Information about the reliability and maintenance of protection systems is provided. The textbook is intended for students of higher education institutions of railway transport. It can be useful for students of advanced training courses, as well as engineering and technical workers engaged in the design and operation of relay protection.