Invention Grant
- Patent Title: Multi-winding high sensitivity current transformer
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Application No.: US15854231Application Date: 2017-12-26
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Publication No.: US10090093B2Publication Date: 2018-10-02
- Inventor: Dan Tho Lu
- Applicant: General Electric Company
- Applicant Address: US NY Schnectady
- Assignee: GENERAL ELECTRIC COMPANY
- Current Assignee: GENERAL ELECTRIC COMPANY
- Current Assignee Address: US NY Schnectady
- Agency: Mintz Levin Cohn Ferris Glovsky and Popeo, P.C.
- Main IPC: H01F27/24
- IPC: H01F27/24 ; H01F38/28 ; G01R15/18 ; H01F38/30 ; G01R31/34

Abstract:
A system includes a sensor configured to detect an electrical leakage current associated with an operation of an industrial machine. The sensor includes a core and a first winding encircling a first portion of the core. The first winding includes a first number of turns. The first winding is configured to obtain a set of electrical current measurements associated with the operation of the industrial machine. The sensor includes a second winding encircling a second portion of the core. The second winding includes a second number of turns. The second winding is configured to obtain the set of electrical current measurements associated with the operation of the industrial machine. The first winding and the second winding are each configured to generate respective outputs based on the set of electrical current measurements. The respective outputs are configured to be used to reduce the occurrence of a distortion of the set of electrical current measurements based on a temperature of the core.
Public/Granted literature
- US20180122549A1 MULTI-WINDING HIGH SENSITIVITY CURRENT TRANSFORMER Public/Granted day:2018-05-03
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