机构地区: 华南理工大学电力学院
出 处: 《华南理工大学学报(自然科学版)》 2005年第7期74-77,共4页
摘 要: 为了有效地补偿非线性负载中的谐波电流,针对数字化的有源滤波器(APF)内部结构固有的延迟特点,提出基于灰色预测的APF预测控制方案;利用灰色系统理论建立负载谐波电流的灰色预测模型,并将其用于APF谐波补偿控制装置.通过仿真,将所提出的基于灰色预测的方法与目前常用的非预测控制方法进行比较,结果表明文中所提出的控制方法是可行的. According to the inherent delay characteristic of digital active power filter (APF), a prediction control method for APF is presented based on the gray prediction, with the aim of effectively compensating the harmonic currents in nonlinear loads. Moreover, a gray prediction model for the harmonic currents is established by means of the gray system theory, which is then applied to a harmonic-compensated device for APF. As compared with the popular non-forecasting control method via simulated experiments, the proposed method is feasible.
领 域: [建筑科学]