Electrical Equipment in Power Plants and Substations is compiled by the teaching team of Xilingol Vocational College for students majoring in Power System Automation Technology and related fields. It aims to cultivate technical professionals capable of operating and maintaining electrical equipment in power plants and substations, improving practical skills and supporting safe and efficient power system operation. The textbook focuses on vocational competence, with clear structure and strong practicality. It adopts a project-based, task-driven approach and is divided into five projects, covering power system fundamentals, power transformers, outdoor and indoor distribution equipment, and main electrical wiring operation and switching procedures. The content emphasizes practical application, key knowledge, and skill development, making it suitable for teaching, training, and self-study in related engineering fields.