FUZZY INFERENCE BASED STABILITY OPTIMIZATION FOR IOT DATA CENTERS DC MICROGRIDS: IMPACT OF CONSTANT POWER LOADS ON SMART GRID COMMUNICATION OVER THE POWERLINE
Author(s) -
Emmanuel Oyekanlu
Publication year - 2019
Publication title -
journal of energy - energija
Language(s) - English
Resource type - Journals
eISSN - 1849-0751
pISSN - 0013-7448
DOI - 10.37798/20196811
Subject(s) - microgrid , smart grid , computer science , control theory (sociology) , distortion (music) , matlab , power (physics) , stability (learning theory) , channel (broadcasting) , engineering , electronic engineering , electrical engineering , renewable energy , telecommunications , bandwidth (computing) , amplifier , physics , control (management) , quantum mechanics , artificial intelligence , machine learning , operating system
Direct Current (dc) microgrids due to their efficiency and energy savings are being deployed to provide power for servers in Internet of Things (IoT) data centers, in more electric aircrafts (MEA), electric ships and in rail systems round the word. In this paper, Takagi-Sugeno fuzzy inference method is used to establish a Lyapunov stability candidate for a 380 V ring bus dc microgrid modeled with Matlab. To determine suitability of using powerline communication (PLC) to monitor stability condition on the 380 V dc microgrid, impact of distortion caused by microgrid constant power loads (CPL) on signals transmitted over the dc microgrid PLC channel is examined. It is shown in this paper that while Lyapunov asymptotic stability is maintained on the dc bus, increasing CPL on the microgrid causes the dc microgrid PLC channel to experience growing signal distortion.
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