Modeling and Dynamic Matrix Control Design of Solid State Electric Heat Storage System with Time Delay Based on Parameter Identification

doi:10.16628/j.cnki.2095-8188.2022.02.006

Abstract

Abstract:

The solid electric heat storage device of energy storage equipment is to use the abandoned wind energy in the valley period to store heat energy,which plays an important role in the peak load regulation of power grid.In order to solve the problem that the traditional PID heating control system has large time delay,large overshoot and long-time oscillation,which leads to the temperature fluctuation of heating water is too large to meet the heating demand,this paper proposed a solid electric heat storage time-delay system modeling and dynamic matrix control design based on parameter identification.The parameters of the identification model are obtained by the least square method,and the dynamic matrix control strategy of air volume and water temperature of solid electric heat storage cycle is designed.The results show that the dynamic matrix control algorithm has smaller overshoot,stronger anti-interference ability,better effect and better dynamic performance.

Key words: solid state electric heat storage device, time delay system, least square parameter identification, dynamic matrix control algorithm

CLC Number:

TM924.1

XING Zuoxia, SU Jian, FU Qitong, LIU Yang, WANG Xiaoqi. Modeling and Dynamic Matrix Control Design of Solid State Electric Heat Storage System with Time Delay Based on Parameter Identification[J]. LOW VOLTAGE APPARATUS, 2022, 0(2): 34-41.

Figures/Tables 14

References 20

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