Invention Grant
US08437969B2 Accurate magnetic field sensor and method for wireless phasor measurement unit
有权
精确的磁场传感器和无线相量测量单元的方法
- Patent Title: Accurate magnetic field sensor and method for wireless phasor measurement unit
- Patent Title (中): 精确的磁场传感器和无线相量测量单元的方法
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Application No.: US12723763Application Date: 2010-03-15
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Publication No.: US08437969B2Publication Date: 2013-05-07
- Inventor: Guorui Zhang , Yilu Liu , Yingchen Zhang
- Applicant: Guorui Zhang , Yilu Liu , Yingchen Zhang
- Applicant Address: US VA Blacksburg
- Assignee: Virginia Polytechnic Institute and State University
- Current Assignee: Virginia Polytechnic Institute and State University
- Current Assignee Address: US VA Blacksburg
- Agency: Curatolo Sidoti Co., LPA
- Agent Joseph G. Curatolo; Salvatore A. Sidoti
- Main IPC: G01R29/26
- IPC: G01R29/26 ; G06F11/30

Abstract:
A phasor measurement unit and method including a transducer for transduction measurement of an electrical characteristic of a current carrying element in electrical power generation or distribution systems, the transducer generating a transducer output signal representative of the electrical characteristic; an amplifier receiving the transducer output signal and generating an amplifier output signal; a filter receiving the amplifier output signal, low pass filtering the amplifier output signal, and generating a filter output signal; an analog to digital converter receiving the filter output signal and generating a digital output signal; and a processor receiving the digital output signal, calculating phasor data from the digital output signal and generating a data output signal, wherein the calculated phasor data is at least as accurate as phasor data from a phasor measurement unit or a frequency data recorder having a transducer for nontransduction measurement of the same electrical characteristic.
Public/Granted literature
- US20100250168A1 Accurate Magnetic Field Sensor and Method for Wireless Phasor Measurement Unit Public/Granted day:2010-09-30
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