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An Adaptive Routing Algorithm Over Packet Switching Networks for Operation Monitoring of Power Transmission Systems

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6 Author(s)
Cheng-Long Chuang ; Dept. of Bio-Ind. Mechatron. Eng., Nat. Taiwan Univ., Taipei, Taiwan ; Yung-Chung Wang ; Chien-Hsing Lee ; Maw-Yang Liu
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This paper reports on the development and subsequent use of a packet switching communication model for monitoring of power transmission line systems. Modern fault detection and fault location techniques for EHV/UHV transmission networks usually work based on the data measured by a phasor measurement unit (PMU). Digital cameras have also been widely utilized to monitor the physical status of power transmission lines on electricity pylons. PMU measures voltage and current phasors with synchronized time stamps, and then transmits the measured data to a monitoring center for analysis. The transmission of these data is required to be very stable. For the sake of operation speed and system security, the development of an enhanced communication infrastructure that guarantees the quality of service (QoS) for the essential measured data is a crucial issue. We have developed an adaptive routing algorithm for packet switching networks to guarantee the QoS of important power system communications and have conducted computer simulations to demonstrate the effectiveness of the proposed algorithm. The proposed algorithm can minimize transmission delay and reduce the number of redundant transmissions caused by loss of packets. Hence, the simulation results show the feasibility of packet switching networks on monitoring power systems.

Published in:

IEEE Transactions on Power Delivery  (Volume:25 ,  Issue: 2 )