According to the equivalent circuit model of non-linear load, a detecting approach of harmonic current in single-phase circuit based on fast iterative algorithm in active power filter is proposed.
根据非线性负载的等效电路模型，提出了一种基于快速跟踪算法的有源电力滤波器单相电路谐波电流检测方法。
Thereby, it is necessary to study the DC-side equivalent model of the inverters and consequently reveal the load characters relative to their front converter systems.
因此，有必要对其直流侧等效模型进行研究，从而揭示其作为前端变流系统的负载特性。
Equivalent elastic properties of asphalt mixture were obtained by the method of average volume after establishing the 3d random lattice model with appropriate load and boundary conditions.
通过建立沥青混合料的三维随机格形模型，加载适当载荷和边界条件求解后，采用体积平均法得出混合料等效弹性性质。
Besides, the equivalent model of the external power network of metro system is researched, and the impact and influence of the metro load to external power network is analyzed.
同时，对地铁供电网络的外围网络进行了等值简化处理，分析了地铁负荷对外围网络的冲击和影响。
Equivalent magnetic circuit model and 3d finite element method developed in this paper are helpful to the more study on optimizing design and full-load characteristic of IPM-HESM.
所建立空载磁路模型及三维有限元分析方法为该新型电机的优化设计、性能分析以及负载特性进一步研究奠定了基础。
Equivalent magnetic circuit model and 3d finite element method developed in this paper are helpful to the more study on optimizing design and full-load characteristic of IPM-HESM.
所建立空载磁路模型及三维有限元分析方法为该新型电机的优化设计、性能分析以及负载特性进一步研究奠定了基础。
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