A Stochastic Relay Algorithm-Based Monitoring System with an Electromagnetic Interference Avoidance Approach for Arc Blowout Devices
IEEE transactions on electromagnetic compatibility(2023)
Abstract
Lightning overvoltage is an unavoidable phenomenon in modern power transmission systems and can lead to power cut-off accidents. Fortunately, with the advent of arc blowout devices (ABDs), the power line trip-out rate has been effectively reduced. However, no platform exists to determine the operational conditions of an ABD. Thus, we have developed and successfully implemented a smart online ABD monitoring system to monitor multiple operational conditions of an ABD. Based on a micro-to-host network architecture, the ABD monitor consists of a data transfer unit, a main node, and multiple subnodes. Combining regional and wide area communication network technologies, sensor data can be efficiently delivered with a special stochastic relay algorithm. Once an ABD trigger event occurs, real-time ABD information will be sent out automatically within a period of heartbeat signal to avoid electromagnetic interference (EMI). We prototyped the ABD monitor with a low-cost 2.4-GHz device and tested it with high-voltage experiments. With the application of a stochastic relay algorithm-based approach to EMI avoidance, the system is demonstrated to be a cost-effective and reliable platform suitable for use with ABDs.
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Key words
Arc blowout device,electromagnetic interference (EMI) avoidance approach,heartbeat signal (HS),lightning overvoltage,stochastic relay algorithm
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