The Calculation And Benefit Analysis Of Economic Operating Modes Of Transformer In 220kV Substation

The energy loss of transformers is great in proportion to all of energy loss in power system, and thereby implementing transformer's economic operation play an important role in decreasing power loss, saving energy and achieving economic operation of power system. This paper first introduces related theories of transformer's economic operation, then investigates economic operating modes of double winding transformer and three-winding transformer, and verifies correctness of these theories and good benefit with two 220kV substation of Wulanchabu Power Company. Finally, compiling assistant decision system of transformer's economic operation with PowerBuilder9.0.