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[期刊论文]

Research on Double Closed-Loop Control Strategy of Contactors Based on Flux Linkage Observers

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author:

Tang, Longfei (Tang, Longfei.) [1] (Scholars:汤龙飞) | Qu, He (Qu, He.) [2] | Xu, Zhihong (Xu, Zhihong.) [3] (Scholars:许志红)

Indexed by:

EI SCIE

Abstract:

In this article, a double closed-loop control structure of a contactor is proposed for the first time, in which the outer flux linkage loop controls the inner current loop to retain the merits of current closed-loop control while avoiding its defects. A voltage integral flux linkage observer is designed in the making process of the contactor. In the closing process of the contactor, the state space expression of the contactor is given, and the closed-loop flux linkage observer is formed by reconstructing the flux linkage variable. The observed flux linkage is used as the closed-loop return signal to realize flux linkage closed-loop control of the contactor in the making and closing processes. This control scheme can realize self-adjustment of the coil current; thus, contact bounces are inhibited. Meanwhile, whether the movable core is closed in place is judged according to the proportional relationship between the flux linkage and the coil current in the closing process. Finally, the feasibility of the proposed scheme is verified by simulation and experiment.

Keyword:

Bounce inhibition contactor Contactors Couplings current closed-loop control Electromagnetics flux linkage closed-loop control flux linkage observer Magnetic circuits Observers Process control Voltage control

Community:

  • [ 1 ] [Tang, Longfei]Fuzhou Univ, Sch Elect Engn & Automat, Fujian Key Lab New Energy Generat & Power Convers, Fuzhou 350108, Peoples R China
  • [ 2 ] [Xu, Zhihong]Fuzhou Univ, Sch Elect Engn & Automat, Fujian Key Lab New Energy Generat & Power Convers, Fuzhou 350108, Peoples R China
  • [ 3 ] [Qu, He]Fuzhou Univ, Sch Elect Engn & Automat, Fuzhou 350108, Peoples R China

Reprint 's Address:

  • 许志红

    [Xu, Zhihong]Fuzhou Univ, Sch Elect Engn & Automat, Fujian Key Lab New Energy Generat & Power Convers, Fuzhou 350108, Peoples R China

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Related Article:

Source :

IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS

ISSN: 0278-0046

Year: 2022

Issue: 3

Volume: 69

Page: 2769-2779

7 . 7

JCR@2022

7 . 5 0 0

JCR@2023

ESI Discipline: ENGINEERING;

ESI HC Threshold:66

JCR Journal Grade:1

CAS Journal Grade:1

Cited Count:

WoS CC Cited Count: 10

SCOPUS Cited Count: 18

30 Days PV: 2

查看更多>>操作日志

管理员  2024-09-01 12:54:45  更新被引

管理员  2024-08-15 08:24:27  更新被引

管理员  2024-08-15 01:56:24  更新被引

管理员  2024-08-03 10:57:05  更新被引

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