LOW VOLTAGE APPARATUS ›› 2020, Vol. 593 ›› Issue (8): 88-93.doi: 10.16628/j.cnki.2095-8188.2020.08.017

• Power Quality • Previous Articles     Next Articles

Control Technology of Three-Phase Imbalance in Power Grid Based on Improved NARX Neural Network

SHI Dingzhong1, YANG Jindong2, LI Wen1, LUO Junyuan1, TANG Xingqiang1, HUANG Jisheng1, FU Qing3   

  1. 1. Lincang Power Supply Bureau of Yunnan Power Grid Co.,Ltd.,Lincang 677000,China
    2. Electric Power Research Institute of Yunnan Power Co.,Ltd.,Kunming 650000,China
    3. Sun Yat-sen University,Guangzhou 510006,China
  • Received:2020-01-21 Online:2020-08-30 Published:2020-09-10

Abstract:

This paper studies the phase-change switch for three-phase unbalanced load and the influence of time delay on the phase-change switch automatic regulating device.Considering with the characteristics of Nonlinear Auto-regressive with External Inputs (NARX) neural network,this paper proposed a control method with improved NARX neural network for the phase-change switch system so as to improve the regulating precision or decrease the action times of the switches.This paper analyzes and compares the performance of the three-phase imbalance intelligent control device under the improved NARX control and the conventional NARX control,and verifies the feasibility and superiority of the improved NARX control scheme through simulation and experiment.

Key words: unbalanced three-phase load, phase-change switch, phase-change control, NARX neural network

CLC Number: