Most researches on apf are focused on main circuit configurations ( series - type , shunt - type , compound - type ) , harmonic current detection approaches and control strategies to compensate current , etc 有关有源电力滤波器的研究主要集中在主电路结构形式(串联、并联和串并联) 、谐波电流检测方法和补偿电流的控制方法等方面。
The steady compensation characteristic and the damping resonance characteristic of the equipment are analyzed in detail , theoretic analyze and experiment results have verified the feasibility and the correctness of the proposed topology 仿真和实验结果表明该装置具有良好的稳态补偿特性，并且可以较好的抑制无源滤波器与电网阻抗之间的串并联谐振。
In this paper , the starting issue for thyristor - based high - power medium - frequency series - parallel resonant current source inverters , with particular reference to induction heating applications , is studied and discussed in - depth 在广泛阅读国内外大量文献和深入研究感应加热逆变电源的现状和发展趋势的基础上，本文对大功率串并联逆变晶闸管中频电源的启动问题进行了深入的研究与探讨。
A series and parallel unit cell model of 1 - 3 piezoelectric fiber composites ( pfc ) is presented , and the macro parameters including mechanical and electrical parameters of pfc are obtained via this model 摘要基于均匀场理论和细观力学方法提出了弹簧串并联模型和电容串并联模型来分别描述1 - 3型压电纤维复合材料的力学性能和电学性能，并采用此模型对压电复合材料的宏观力学和电学性能参数进行了预报。
The load character and control object for a parallel inverter is analyzed , the conclusion that series and parallel resonant circuit are two antithetic circuits is pointed out , this provides a theoretical guide to the control circuit design for these two inverters 分析了并联谐振逆变器的负载特性及控制目标，指出串并联谐振逆变电路是两种对偶电路，为这两种逆变器控制电路的设计提供了理论指导。
In this paper , the necessary and sufficient conditions such as the diameter and some physical properties of the baked electrodes in the lengthwise graphitization furnace are highlighted and discussed in terms of single series or in multi - series packing types of the electrodes in the furnace 摘要讨论了串接石墨化炉内焙烧坯料单串装炉和多串并联装炉时，坯料的直径和一些物理性质必须满足的充要条件。
In the third chapter , it has analyzed the rating expansion of induction heating power supply . the series and parallel connections of power electronic devices are discussed here . the inverter and machine series and parallel connections are discussed 第三章分析了感应加热电源的扩容技术，分析了器件的串并联扩容时需要注意的问题，分析了逆变器以及整机串并联的扩容技术中常用拓扑结构和各自存在的问题。
The operation principle , stability and current ripple of the output filter inductor between serial and parallel modes are analyzed . a 1000 va serial and parallel combined dual buck half - bridge inverter ( dbhbi ) has been implemented to verify the analysis 文章分析了该逆变器的工作原理、串并联两种运行模式对输出滤波电感电流脉动、输入电压脉动、系统稳定性的影响,并以1000va双降压式半桥逆变器为例进行了实验验证。
Simulation results verify its efficiency in improving dynamic quality and transient stability of power systems . by synthesizing the control functions of series and shunt - side of upfc , the synthetical upfc controller was proposed , which is combined by main control and secondary control 综合upfc串并联侧的多种控制方式，以加权的方式实现upfc的多种功能综合控制,使得upfc的多功能优化问题转化为各权值的动态优化问题。
The series - parallel identification structure is adopted to reflect characteristics of the control object well and truly . furthermore , the improved bp ( back propagation ) algorithm and floating - point genetic algorithm ( ga ) are respectively employed to learn the weights of nn positive model 仿真对象仍为药剂温控系统，模型辨识结构采用串并联形式，并分别使用改进bp算法和浮点式遗传算法进行了神经网络正模型权系数的学习。
