Invention Grant
- Patent Title: System and method for measuring reactive power
- Patent Title (中): 用于测量无功功率的系统和方法
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Application No.: US12473166Application Date: 2009-05-27
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Publication No.: US08350558B2Publication Date: 2013-01-08
- Inventor: Yun [Yale] Ning , Xiuhong [George] Lu
- Applicant: Yun [Yale] Ning , Xiuhong [George] Lu
- Applicant Address: US MA Norwood
- Assignee: Analog Devices, Inc.
- Current Assignee: Analog Devices, Inc.
- Current Assignee Address: US MA Norwood
- Agency: Kenyon & Kenyon LLP
- Main IPC: G01R5/14
- IPC: G01R5/14 ; G01R5/16 ; G01R13/00
Abstract:
A system and method for measuring reactive power which uses a pair of quadrate carriers to add a 90 degree phase shift to a voltage path or a current path in a power meter. The quadrate carriers have the same frequency but are offset in phase from each other by 90 degrees.
Public/Granted literature
- US20100085037A1 System and Method for Measuring Reactive Power Public/Granted day:2010-04-08
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