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首页> 外文期刊>European transactions on electrical power engineering >Effects of harmonic pollution on salient pole synchronous generators and on induction generators operating in parallel in isolated systems
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Effects of harmonic pollution on salient pole synchronous generators and on induction generators operating in parallel in isolated systems

机译：谐波污染对凸极同步发电机及其在隔离系统中平行操作的感应发电机的影响

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摘要

This work presents a study of the disturbances caused by harmonic pollution in salient pole synchronous generators (SPSG) and induction generators, when operating in parallel in isolated systems. SPSG are known to operate with induction generators, since the excitation system of the synchronous generator is responsible for the voltage control on the island system. Due to the increase in the employment of power electronics, the loads take on a nonlinear behavior, where these become responsible for the generation of harmonics, due to the switching of electrical devices. Therefore, the analysis of the disturbances that these loads cause in generators, in this proposed and studied architecture, becomes essential. For the synchronous generator, there is also presented the analyses of the oscillations for voltages and currents on the dq0 model, the currents induced on the damper winding, the disturbances on the load angle and on the field current. In terms of the induction generator, the voltage and current oscillations are also analyzed from the dq0 model on the slip frequency. All the identified and quantified disturbances are oscillations on the electric variables, which possess a pulsating nature of frequencies 6 omega, 12 omega, and 18 omega for the synchronous and induction generators, the oscillations of the sixth order and its multiples, will be given in the harmonic slip frequency of their respective harmonic orders in positive and negative sequence. In this way, verification is made as to the appearance of high slippage on the rotor of the induction generator.
机译：该工作提出了在隔离系统中并联操作时突出极同步发电机（SPSG）和感应发电机中谐波污染引起的扰动的研究。已知SPSG与感应发电机一起操作，因为同步发电机的激励系统负责岛系统上的电压控制。由于电力电子设备的使用增加，由于电气设备的切换，负载承担了非线性行为，其中这些行为负责谐波的产生。因此，在这提出和研究的架构中，对发电机引起的扰动的分析变得必不可少。对于同步发电机，还介绍了DQ0模型上的电压和电流的振荡分析，在阻尼器绕组上引起的电流，负载角上的扰动和磁场电流。就感应发电机而言，还从滑移频率的DQ0模型分析电压和电流振荡。所有识别和量化的干扰是电变量上的振荡，其具有6个Omega，12个Omega和18个用于同步和感应发电机的18个Omega的脉动性质，将给出第六阶及其倍数的振荡及其倍数它们各自的谐波顺序谐波谐波频率和阴性序列。以这种方式，验证是在感应发电机的转子上的高滑动的外观。

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