Invention Grant
US08154305B2 Systems, methods, and apparatus for connection fault self-monitoring with DC bias current
有权
用直流偏置电流连接故障自监控的系统,方法和设备
- Patent Title: Systems, methods, and apparatus for connection fault self-monitoring with DC bias current
- Patent Title (中): 用直流偏置电流连接故障自监控的系统,方法和设备
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Application No.: US12837605Application Date: 2010-07-16
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Publication No.: US08154305B2Publication Date: 2012-04-10
- Inventor: Roy Anthony Carter , William Duggan Brackman, Jr. , John Robert Booth
- Applicant: Roy Anthony Carter , William Duggan Brackman, Jr. , John Robert Booth
- Applicant Address: US NY Schenectady
- Assignee: General Electric Company
- Current Assignee: General Electric Company
- Current Assignee Address: US NY Schenectady
- Agency: Sutherland Asbill & Brennan LLP
- Main IPC: G01R31/04
- IPC: G01R31/04 ; G01R31/02 ; G01R31/08

Abstract:
Certain embodiments of the invention may include systems, methods, and apparatus for providing connection fault self-monitoring with DC bias current. According to an example embodiment of the invention, a method is provided for obtaining measurements and detecting connectivity faults associated with a voltage mode sensor. The method can include coupling a DC bias current into a circuit. The circuit includes a voltage mode sensor, and the voltage mode sensor can output a time varying signal. The method can also include setting a nominal level of the DC bias current, monitoring a voltage associated with the DC bias current, and determining circuit connectivity status based at least in part on monitoring the voltage.
Public/Granted literature
- US20120013345A1 SYSTEMS, METHODS, AND APPARATUS FOR CONNECTION FAULT SELF-MONITORING WITH DC BIAS CURRENT Public/Granted day:2012-01-19
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