| 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.The activer power loss calculation and service life analysis of parallel transformers under economic operation mode are introduced in detail.Based on the theory of economic operation,this paper introduces the algorithm,project,strucyure,function and realization of SCADA system.The reconstruction of urban and rural power grids and the development of electricity market in China have set stricter requirements on the safety and reliability of distribution transformers 。 Accurate equipment parameters are preconditions for economic transformer operation,this paper used the distribution automation system to measure transformer data such as active power,reactive power and voltage;the least square method is adopted in curve fitting computation,finally the actual parameters of the transformer can be derived and it can be used as the basic data for economic operation of the transformer,thereby,the optimal operation of the transformer can be implemented. the preparation of the application by C language realizes, completing the mathematics model to the actual data. In the end,it can realize economic transformer operation。... |