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Synchronized Power-Quality Measurement Network With LAMP

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2 Author(s)
S. -J. S. Tsai ; Dept. of Electr. Eng., Nat. Chung Cheng Univ., Chiayi ; C. C. Luo

In this letter, a power-quality measurement network for the power system is proposed to integrate electric measurement units with the Internet, global positioning system (GPS), and Linux, Apache, MySQL, PHP (LAMP). A synchronized sensor network is formed to monitor the system's dynamics in a wide-area sense. CompactRIO by National Instruments is used as measurement units to capture voltage at the 110-V outlet and process the signals locally. It has the advantages of ease of portability and standard network communication capabilities. A virtual instrument environment is developed to process measurements and GPS signals. To store and display measurement data over the Internet, a LAMP-based database and Web server are developed. The major advantages of this type of architecture are that they are all commercial-grade software with proven system operation stability and free to use.

Published in:

IEEE Transactions on Power Delivery  (Volume:24 ,  Issue: 1 )