非线性电子网络传输功率稳定性控制仿真

摘要

控制非线性电子网络传输功率的稳定性,能够有效控制电源输出功率的均衡.传统方法将质量用效函数引入到非线性电子网络传输功率自动控制中,组建非线性电子网络功率自动控制模型,所需参数多,易出现指令错误,导致控制差的问题.提出基于同步电压源的非线性电子网络分布式功率自动控制方法.首先融合调频控制计算出各个电子逆变器输出频率和幅值的参考值,依据换流器基点运行功率得到其下垂控制系数,利用该系数促使各电子逆变器共同承担负荷功率波动,其次融合于模糊控制理论思想将联络线功率差作为模糊运算的输入量,输出一个对电子逆变器进行有功控制的PWM控制波形,以此为依据完成对非线性电子网络功率自动控制.仿真结果表明,所提方法控制精确度高,可以为非线性电子网络稳定运行提供科学的依据.%In this paper,we proposed an automatic control method of distributed power in the nonlinear electronic network based on the synchronous voltage source.Firstly,we worked out the reference value of each electronic inverter output frequency and amplitude value integrated with the frequency modulation control and obtained the droop control parameter according to the operating power of current converter base point.Then,we used the coefficient to prompt each electronic inverter to undertake the load power fluctuation together and used the power difference of call wire as the input quantity of fuzzy operation integrated with fuzzy control theory.Finally,a PWM control waveform was output to make the active power control of the electronic inverter and complete the power automatic control of nonlinear electronic network,according to the control waveform.The simulation results show that the method has higher control precision.It can provide the scientific basis for the stability operation of nonlinear electronic network.