JDA-2000 traction substation automation system is a comprehensive automation system of substation specially tailored for traction power supply system. It draws on the advanced technology of the same period at home and abroad, combined with the teams own years of actual development experience and practical experience in the field, and the development of high-tech products applicable to 27.5kV various speed levels, various power supply methods. The products cover all the devices required for traction substation such as monitoring and control backend, remote communication machine, main and autotransformer protection, measurement and control devices, self-injection devices, feeder protection and measurement and control devices, power transformer protection and measurement and control devices, capacitor protection and measurement and control devices, etc. The first batch of products have passed the CRCC certification of each speed class. System function configuration is flexible, easy to configure, and can also be developed according to the needs of customization.