NDLI: Toward coordinated look-ahead reactive power optimisation for distribution networks with minimal control

Content Provider	IET Digital Library
Author	Ding, Min Chiang, Hsiao Dong Li, Peng
Abstract	A coordinated look-ahead reactive power optimisation method is proposed to minimise the required number of operating control devices for a time horizon of 24 h. The aim is to determine, via solving a mixed integer non-linear programming (MINLP) problem, optimum value settings of transformer taps, capacitor banks and reactive power output of distributed generators (DGs) based on the day-ahead load demand and active power output of DGs satisfying the engineering and operational constraints. The proposed method employs a three-stage method: assessment stage, time-period-partitioning stage, and coordinated reactive power optimisation stage. The first stage assesses the hourly voltage profile and available delivery capability margin of the system, while the time-period-partitioning stage uses clustering algorithm based on power-flow solution to partition time periods into coherent time durations. The MINLP problem is solved in the proposed coordinated optimisation stage. A modified IEEE13 case and IEEE123 case are used to verify the effectiveness of the proposed three-stage method.
Starting Page	2707
Ending Page	2717
Page Count	11
ISSN	17518687
Volume Number	12
e-ISSN	17518695
Issue Number	Issue 11, Jun (2018)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-gtd/12/11
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-gtd.2017.1367
Journal	IET Generation, Transmission & Distribution
Publisher Date	2018-03-16
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Active Power Output Assessment Stage Method Capacitor Bank Clustering Algorithm Control of Electric Power System Coordinated Look-ahead Reactive Power Optimisation Method Coordinated Reactive Power Optimisation Stage Method Day-ahead Load Demand Distributed Generator Distributed Power Generation Distribution Network IEEE123 Case Study Integer Programming Load Flow Minimisation MINLP Problem Mixed Integer Nonlinear Programming Problem Modified IEEE13 Case Study Nonlinear Programming Optimisation Technique Pattern Clustering Power And Energy Control Power Capacitor Power Distribution Control Power Generation Control Power System Control Power Transformer Power-flow Solution Reactive Power Control Reactive Power Output Time 24 H Time-period-partitioning Stage Time-period-partitioning Stage Method Transformer And Reactors Transformer Tap
Content Type	Text
Resource Type	Article
Subject	Control and Systems Engineering Energy Engineering and Power Technology Electrical and Electronic Engineering

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