The Design Of The Magnetically Controlled Reactors And Control System

Controllable reactor as a new high-voltage reactor to smooth continuous adjustment capacity, has become one of the core technology for ultrahigh voltage (UHV), especially extra-high voltage (EHV) power grid. As important indicators of security and stability of UHV, power frequency over-voltage and reactive power compensation are becoming more significant. Presently traditional compensation methods have been unable to adapt to the new changes at home and abroad, which cause urgent need of continuous research of controlled reactors, especially magnetically controlled reactor (MCR) to face the new challenge of the electricity network.This paper studies the theory of magnetically controlled reactor and summarizes the research direction from both historical and current aspects, then comparative analysis of the different types of controllable reactor advantages, disadvantages and application areas. Through describing the magnetically controlled reactor’s basic structure, working principle and five kinds of working conditions between the conversion mechanism, obtain the mathematical mode of magnetically controlled reactor, the conversion between the magnetron reactor structure, working principle and five states to obtain magnetron reactor mathematical mode. According to equivalent circuit, Matlab simulation model has been established for simulation analysis. Explored the way to solve the response time is too long for traditional magnetron reactor method and actual design a method of using the charging capacitor discharge excitation, direct-current (DC) excitation voltage to maintain and provide excitation. Changes in the waveform of the current and the control current is given by the simulation.In order to make magnetically controlled reactor used for wattless power compensation in the actual use, methods of the ap1transformation, active power and reactive power is used to calculate the instantaneous reactive current and reactive power. Then the magnetically controlled reactor in three-phase network wattless compensation is simulated, found that can effectively limit overvoltage and improved three-phase equilibrium network wattless power compensation by changing the magnetic reactance value.Aiming at the phenomenon of magnetic saturation reactor, a detailed description of the magnetically controlled reactor core design and winding design is made. And this article introduces the design procedure of magnetically controlled reactor. Because of the need of magnetically controlled reactor according to the grid of complex changes are adjusted in real-time, so in this paper we uses powerful calculation function of DSP TMS320F2812 design of the hardware part of magnetically controlled reactor control system, including power supply circuit, sampling circuit, synchronous signal circuit and a pulse amplification circuit, and then on the basis of hardware is designed. Magnetic chokes for the actual operation, a detailed description of the magnetron reactor core design and winding design, and follow the magnetron design flow reactor designed an instance. Aiming at the actual operating conditions of magnetically controlled reactor, detailed description of the magnetron reactor core design and winding design, then follow the magnetron design flow of magnetically controlled reactor designed an example.