4.6 Article

MPC-Based Coordinated Voltage Control in Active Distribution Networks Incorporating CVR and DR

Journal

IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS
Volume 58, Issue 4, Pages 4309-4318

Publisher

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TIA.2022.3163108

Keywords

Voltage control; Load modeling; Distribution networks; Reactive power; Mathematical models; Inverters; Predictive models; Conservation voltage reduction (CVR); demand response (DR); model predictive control (MPC); volt; var control (VVC); smart inverters

Funding

  1. Central Power Research Institute (CPRI) India Research Project Entitled Design, Operation, and Control of Distributed Generation (DG) Integrated Unified Power Quality Conditioner (UPQC) in Electric Grid

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This article proposes a model predictive-based voltage control method to optimize the coordination of power set points in distribution equipment and PV inverters for voltage stability in distribution networks. The study also explores the roles of demand response and conservation voltage reduction in improving energy efficiency.
With massive integration of solar photovoltaics (PVs) in the distribution networks, the voltage regulation problem has become one of the serious concerns for distribution network operators. This article proposes a model predictive-based voltage control that optimally coordinates the reference voltage of distribution static synchronous compensator and on-load tap changer, and PV inverters' active and reactive power set points to maintain network voltages within the operating limits. The two functionalities of the active distribution management system are demand response (DR) and conservation voltage reduction (CVR), which are further explored in the voltage control methodology to enhance energy efficiency of the distribution networks. The proposed methodology is implemented in a 33-bus distribution network to verify its effectiveness for different cases. Furthermore, simulation results demonstrate the benefits of CVR and DR on the proposed methodology.

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