Construction And Application Of Intelligent Substation Test System Based On DDRTS

With the development of smart grid technology, intelligent substation will gradually replace the conventional substation and the testing tools and methods used in conventional substation have been unable to meet the needs of intelligent substation test. It designs a test system based on DDRTS adapted to the distributed intelligent substation and makes analysis of the defects and limitation of conventional testing device for intelligent substation test.The whole structure of the test system is introduced and the concrete implementation scheme for cable test system and wireless test system is described. Make a theoretical analysis of the implementation of wireless test system and conduct field test.Study on the function of the test system and design the hardware part of the host test device and the sub device in the system. Introduce the working principle of the host and sub device. Study the real-time and synchronization problem of test system.Study the synchronization of signal test system and put forward the method to solve the synchronization of multi-board, multi-port, multiple-device.It studies the model component parameters of DDRTS simulation host test device. Complete the collection of available simulation parameters for transmission lines and transformers. Establish the test models of bus, transformers and transformer inrush current. The test system is applied to the actual field testing of intelligent substation and has completed the test of bus bar and transformer protection device.