Research on dichotomous optical current sensing technology | Zendy

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Research on dichotomous optical current sensing technology

Author(s) -

Shen Yan,

Ge Jinming

Publication year - 2018

Publication title -

microwave and optical technology letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.304

H-Index - 76

eISSN - 1098-2760

pISSN - 0895-2477

DOI - 10.1002/mop.31363

Subject(s) - electronic engineering , interference (communication) , electromagnetic interference , computer science , current (fluid) , transformer , current transformer , engineering , electrical engineering , voltage , channel (broadcasting)

Existing optical current transformers (OCTs) have a low measurement accuracy, weak anti‐interference capability, and poor stability during long‐term operation. To address these problems, this paper proposes a dichotomous OCT unit. First, the structure of the unit is proposed, based on a mathematical model, and current measurement methods are presented. Then, a parameter optimization scheme for the shunt frame in the dichotomous OCT units is obtained by analyzing the proposed mathematical model, and a high‐accuracy measurement method is presented for reducing the influence of external magnetic field interferences. The simulation and experimental results show that the dichotomous OCT unit has a high measurement accuracy and strong resistance against external magnetic field interference.

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