ADAPTIVE, CLOSED-LOOP CONTROL OF DYNAMIC POWER FILTERS AS FICTITIOUS POWER COMPENSATORS

被引:9
作者
ENSLIN, JHR
VANWYK, JD
NAUDE, M
机构
[1] Department of Electrical Engineering, University of Pretoria, Pretoria
[2] Energy Laboratory, Rand Afrikaans University, Johannesburg
关键词
D O I
10.1109/41.55159
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
A new control philosophy, utilizing both thyristor-controlled reactive (TCR) sources and dynamic power filters (DPF) has been proposed by Enslin and Van Wyk [91 in the application of fictitious power compensation. This paper shows the closed-loop control of a DPF using an adaptive signal processing algorithm based on the cross-correlation between the voltage and current waveforms. The control strategy is based on the derivation of equivalent network parameters, which are calculated from digital time domain cross-correlation signal processing techniques and implemented with the aid of a microcomputer. Practical results under quasidynamic operating conditions obtained from a 15-kVA three-phase dynamic power filter are included in this paper. © 1990 IEEE
引用
收藏
页码:203 / 211
页数:9
相关论文
共 29 条
  • [21] Mayne D.Q., Optimal non-stationary estimation of the parameter of a linear system with Gaussian inputs, J. Elect. Cont., 14, pp. 101-112, (1963)
  • [22] Malesani L., Rosetto L., Tenti P., Active filters for reactive power and harmonics compensation, Proc. 17th IEEE Power Electron. Spec. Conf. (PESC-86), pp. 321-330, (1986)
  • [23] Miller T.J.E., Reactive Power Control in Electric Systems, (1982)
  • [24] Naude M., Enslin J.H.R., Prediction of electrical network parameters in the control of fictitious power, Proc. IEEE Int. Conf. Contr. Appl., pp. 1-4, (1989)
  • [25] Nowomiejski Z., Generalized theory of electric power, Archiv für Electrotechnik, 63, pp. 177-182, (1981)
  • [26] Page C.H., Reactive power in nonsinusoidal situations, IEEE Trans. Instrum. Meas., IM-29, 4, pp. 420-423, (1980)
  • [27] Papoulis A., The Fourier Integral and Its Applications, (1962)
  • [28] Van Schoor G., Van Wyk J.D., A study of current fed converters as an active three phase filter, IEEE Power Electron. Spec. Conf. (PESC-87), pp. 482-490, (1987)
  • [29] Van Wyk J.D., Marshall D.A., Boshoff S., Simulation and experimental study of a reactively loaded PWM converter as a fast source of reactive power, IEEE Trans. Industry Applications, IA-22, 6, pp. 1082-1089, (1986)