NDLI: Intentional power system islanding under cascading outages using energy function method

Content Provider	IET Digital Library
Author	Kamali, Sadegh Amraee, Turaj Khorsand, Mojdeh
Abstract	In this study, the ‘where to island’ issue under the transient stability constraints is addressed. Without considering the transient stability, the islanding strategy may fail to stop the propagation of harmful dynamics throughout the network. This study promotes the current available controlled islanding model to handle the transient stability criteria, which is the most important issue during network splitting. Based on the wide area measurements, a two-stage transient stability constrained network splitting model is developed using a proper transient energy function. In the first stage, the conventional intentional splitting problem is formulated as a mixed-integer linear programming (MILP) optimisation model with considering operational, coherency and linear AC load flow constraints. The boundary of each island is determined using an optimisation model to achieve the minimum total power imbalance. To assess the transient stability, the network splitting plan obtained from the first stage is then evaluated in the second stage using a transient energy function. In the second stage, to satisfy the transient stability constraint of the critical island, a linear constraint is constructed and added to the MILP formulation of the first stage. In the second stage, the saddle or control unstable equilibrium points are determined using an optimisation model.
Starting Page	4553
Ending Page	4562
Page Count	10
ISSN	17518687
Volume Number	14
e-ISSN	17518695
Issue Number	Issue 20, Oct (2020)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-gtd/14/20
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-gtd.2019.0317
Journal	IET Generation, Transmission & Distribution
Publisher Date	2020-07-29
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Cascading Failure Cascading Outages Coherency Control of Electric Power System Conventional Intentional Splitting Problem Critical Island Current Available Controlled Islanding Model Distributed Power Generation Distribution Network Dynamic IEEE 118-bus System Energy Function Method Integer Programming Intentional Power System Islanding Interpolation And Function Approximation Island Issue Islanding Strategy Linear Constraint Linear Programming Load Flow Minimum Total Power Imbalance Mixed-integer Linear Programming Optimisation Model Network Splitting Plan Numerical Analysis Optimisation Optimisation Technique Power Distribution Fault Power System Control Power System Economics Power System Managemen Power System Operation Power System Reliability Power System Security Power System Transient Stability Proper Transient Energy Function Reliability Transient Stability Constraint Transient Stability Criteria Two-stage Model Two-stage Transient Stability Constrained Network Splitting Model
Content Type	Text
Resource Type	Article
Subject	Control and Systems Engineering Energy Engineering and Power Technology Electrical and Electronic Engineering

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