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为研究考虑微型燃气轮机(MT)的配电网综合负荷建模,在构建适合分布式电源的MT发电系统的基础上,详细阐述了各功能模块的模型和控制策略;通过对暂态过程中MT发电系统的动态运行特性分析,可以将MT看做是一个功率消耗为负的广义动态负荷,进而提出一种以永磁同步发电机转子角速度为状态变量的一阶微分状态方程模型来等效描述MT发电系统的动态特性;通过对不同程度扰动下的仿真建模比较分析,验证了该等效描述模型的有效性。
In order to study the comprehensive load modeling of distribution network considering the micro gas turbine (MT), the model and control strategy of each functional module are elaborated on the basis of building an MT power generation system suitable for distributed power supply. By analyzing the MT The analysis of dynamic operating characteristics of power generation system can be regarded as a generalized dynamic load with negative power consumption. Then, a first-order differential state equation model with rotor angular velocity of permanent magnet synchronous generator as a state variable is proposed to describe equivalently MT dynamic characteristics of power generation system; Through the comparative analysis of simulation modeling under different degrees of disturbance, the validity of the equivalent description model is verified.