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- W3133594361 abstract "Massive integration of residential photovoltaic (PV) generation has caused overvoltage issues in distribution systems. In this paper, we propose a two-stage central-local solution using the unused capacity of the residential inverters. Unlike similar approaches, we propose to benefit from a wider range of information available at the local level, i.e., both voltage magnitude and real power injection. To achieve this, in the first stage, a central controller periodically takes measurement throughout the network to determine a scalar function mapping two local variables, namely real power injection/demand and voltage magnitude, to the reactive power of each inverter. The second stage is a local feedback controller that determines the inverter reactive power injection/absorption, using the provided functions and local measurements. The effectiveness of the proposed design is assessed on a real 30-bus LV feeder. The results are compared with the VoltNar control suggested by IEEE standard 1547 and an optimal solution with complete information. Our simulations show that our design obtains near-optimal results, and keeps the voltages within the predefined limit in more scenarios than the IEEE standard 1547 while decreasing the required reactive power by 60%, and the real power loss by 3.3%." @default.
- W3133594361 created "2021-03-15" @default.
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- W3133594361 date "2020-11-01" @default.
- W3133594361 modified "2023-09-27" @default.
- W3133594361 title "A Combined Central-Local Volt/Var Approach in Distribution Systems with High PV Uptake" @default.
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- W3133594361 doi "https://doi.org/10.1109/sges51519.2020.00113" @default.
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