An investigation into the current status of the smart operation and maintenance system for urban rail power substations has been conducted. The paper summarizes the challenges faced by the current comprehensive automation system scheduling and operation and maintenance methods of urban rail power substations, which are considered from aspects such as system architecture, hardware configuration, information conditions, dispatching mode, and operation and maintenance management. Requirements for the smart operation and maintenance system of urban rail power substations have been proposed. The overall framework of the smart operation and maintenance system for urban rail power substations has been designed; various independently constructed power supply subsystems have been integrated to form a unified dispatching and operation and maintenance platform, and the full life cycle data of equipment on both the power supply and distribution sides of the urban rail power supply system have been integrated. The smart operation and maintenance system for substations in the urban rail power supply field, which has been constructed, is applicable to the technical specifications of the urban rail cloud, addressing issues such as decentralized construction, inconsistent standards, and redundant investment in multiple subsystems and key equipment of the urban rail power supply system. It meets the current and future development needs of intelligent power supply systems.

urban rail transit  /  substation  /  smart operation and maintenance system  /  overall framework  /  function design