Research On Voltage Reactive Power Control System Based On MCR

With the development of power system, the problems such as voltage fluctuation, reactive power shortage or excess of power system are always appearing, which seriously affect the stability of power supply system. In order to satisfy customers' demand for higher power quality, the real-time dynamic compensation technology of magnetic valve controllable reactor (MCR) is studied, including the basic principle and basic characteristic of MCR. And its characteristics are analyzed using simulation. According to the principle and target of reactive power integrated control, the control strategy of the nine region method is introduced. Through the judgment of the running state of the current system, the power system voltage and reactive power control is realized by using the function of MCR and the transformer. Based on this, the voltage and reactive power regulation strategy of the load forecast is proposed to reduce the number of the transformer taps. In order to improve the accuracy of load forecasting, the ultra short term forecasting of load is carried out with the improved time series method, which meet the need of reactive power control based on MCR voltage.Designing the main part of the MCR control system's hardware and verifring the main hardware functions with module prototype experiments effectively.By combining 35kV Substation transformation projects of LinNancang mine, the use of MCR compens ation system not only effectively increasing the bus voltage and power factor, improvin g the system voltage quality, but also realizing LinNancang's power supply system stabl e reliability,achieving energy saving purpose, increasing the economic efficiency of ent erprises according to the current data.