Fundamentals of Modern Electrical Substations Part 2: Electrical Substation Auxiliary and Control Systems Boris Shvartsberg, Ph.D., P.E., P.M.P. 3- PDH Course Highlights This course presents an overview of modern electrical substations, emphasizing their importance for reliable and effective operation of power systems, describing all major, auxiliary and control equipment, listing typical engineering issues associated with substation design and engineering and providing recommendations for addressing these issues. The whole course consists of three parts: • Part 1: Mission of Electrical Substations and their Main Components • Part 2: Electrical Substation Auxiliary and Control Systems • Part 3: Electrical Substation Engineering Aspects