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author:

Xu, Qifeng (Xu, Qifeng.) [1] | Dong, Chunlin (Dong, Chunlin.) [2] | Huang, Yifan (Huang, Yifan.) [3] (Scholars:黄奕钒)

Indexed by:

EI SCIE

Abstract:

An electronic voltage transducer (EVT) based on electrostatic charge escape is proposed in this article. Its working principle is to apply the electric field (or voltage) to the electrostatic charges of the electrode, and the electrostatic charges are forced to escape directionally to form an escape current, so the voltage measurement can be achieved by detecting the escape current. Based on Gauss's theorem and dielectric polarization principle, the mathematical models of the new EVT's power frequency characteristics, harmonic transfer characteristics, and transient response characteristics are studied. And the COMSOL multiphysics coupling simulation is employed to verify these characteristics. The simulation shows that the new EVT can linearly transform the primary voltage, realize harmonic measurement, and have a satisfactory transient response. Finally, the experiment verification system is established to examine the new EVT. And the result demonstrates that the EVT has a 0.5 class accuracy, and enables it to accurately reflect the characteristics of harmonics and impulse voltage.

Keyword:

COMSOL simulation Electrodes electronic voltage transducer (EVT) electrostatic charge escape Electrostatics escape current Harmonic analysis linear measurement Mathematical models Temperature measurement Transducers Voltage measurement

Community:

  • [ 1 ] [Xu, Qifeng]Fuzhou Univ, Coll Elect Engn & Automat, Fuzhou 350116, Peoples R China
  • [ 2 ] [Dong, Chunlin]Fuzhou Univ, Coll Elect Engn & Automat, Fuzhou 350116, Peoples R China
  • [ 3 ] [Huang, Yifan]Fuzhou Univ, Coll Elect Engn & Automat, Fuzhou 350116, Peoples R China

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Source :

IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT

ISSN: 0018-9456

Year: 2022

Volume: 71

5 . 6

JCR@2022

5 . 6 0 0

JCR@2023

ESI Discipline: ENGINEERING;

ESI HC Threshold:66

JCR Journal Grade:1

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count: 4

SCOPUS Cited Count: 4

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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