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Smart grids provide an excellent opportunity to improve the performance and the power quality of distribution system. This paper addresses a simple and effective approach to improve the quality of electric power in smart grids with high penetration of smart appliances such as plug-in electric vehicles (PEV). Assuming a typical daily load curve, decupled harmonic load flow (DHLF) formulation is used...
This paper addresses the important issue of power quality management for smart grids and proposes a load management strategy based on transformer derating for minimizing harmonic distortion in distribution feeders and transformers. Ongoing development of smart grid technologies such as smart metering and smart appliances are creating new opportunities for improving distribution system performance...
This paper investigates the impacts of PEV charging on the low voltage distribution system and highlights possible detrimental operational issues such as line and transformer overloading, poor voltage profiles and unacceptable system losses. A 415 V residential network including typical daily load variations is modeled for different PEV penetration levels; 20% (low), 30 % (moderate), 60% (high) and...
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