Novel coordinated secondary voltage control strategy for efficient utilisation of distributed generations
Open Access
- 1 July 2014
- journal article
- conference paper
- Published by Institution of Engineering and Technology (IET) in IET Renewable Power Generation
- Vol. 8 (5), 569-579
- https://doi.org/10.1049/iet-rpg.2013.0135
Abstract
This study presents a novel coordinated secondary voltage control (CSVC) and reactive power management scheme for efficient utilisation of distributed energy resources in a smart distribution network. The proposed controller is developed to achieve efficient voltage regulation and to maximise the dynamic reactive power reserve in a distribution network to react during system contingencies. The simulated distribution system, including an on-load tap changer (OLTC) and distributed energy resources, is implemented using PSCAD/EMTDC. The CSVC is designed to provide slow and medium speed responses, using low-pass filters for OLTC and diesel generators, respectively, and a fast response by utilising inverter-based distributed energy resources. Therefore it applies a control strategy with different bandwidth dedicated by the decentralised voltage controllers and reactive power management scheme. The CSVC is used to enhance the bus voltage control by utilising the reactive power loading capabilities among distributed energy resources and on-load tap changers of the substation transformer. A comprehensive simulation has verified the superior performance of the proposed coordinated secondary voltage control with the reactive power management scheme for enhancing the voltage profile and the fault ride-through capability, ensuring higher dynamic reactive power reserves in a distribution network, and improving the transient stability margin.Keywords
This publication has 15 references indexed in Scilit:
- Decentralized Reactive Power Control for Advanced Distribution Automation SystemsIEEE Transactions on Smart Grid, 2012
- Online Set Point Adjustment for Trajectory Shaping in Microgrid ApplicationsIEEE Transactions on Power Systems, 2011
- Enhancement of microgrid dynamic voltage stabilty using Microgrid Voltage StabilizerPublished by Institute of Electrical and Electronics Engineers (IEEE) ,2011
- Coordinated Voltage Control Scheme for SEIG-Based Wind Park Utilizing Substation STATCOM and ULTC TransformerIEEE Transactions on Sustainable Energy, 2011
- An Authenticated Control Framework for Distributed Voltage Support on the Smart GridIEEE Transactions on Smart Grid, 2010
- The Dead Band Control of LTC Transformer at Distribution SubstationIEEE Transactions on Power Systems, 2009
- Voltage and Reactive Power Control in Systems With Synchronous Machine-Based Distributed GenerationIEEE Transactions on Power Delivery, 2008
- Combined Local and Remote Voltage and Reactive Power Control in the Presence of Induction Machine Distributed GenerationIEEE Transactions on Power Systems, 2007
- A Multiagent-Based Dispatching Scheme for Distributed Generators for Voltage Support on Distribution FeedersIEEE Transactions on Power Systems, 2007
- Coordinated Voltage Control in Distribution Networks Using Distributed GenerationPublished by Institute of Electrical and Electronics Engineers (IEEE) ,2006