Abstract: This book take the factory power supply design as an outline, emphatically the elementary theory and links to the reality, comprehensive, elaborated systematically related factory aspect and so on power supply basic principle, engineering design calculates and moves maintenance elementary knowledge.Unifies universal issue of concern which the near for 10 year factory power supply system appears, to the power supply system design technical economic analysis method, saved the electrical energy importance and the way, the electrical energy nature and the guarantee surveillance, the improvement countermeasure and so on has carried on the summary and the discussion.
Key words: Factory power supply; Engineering design computation; Saves the electrical energy