NDLI: Hybrid islanding detection method and priority-based load shedding for distribution networks in the presence of DG units

Content Provider	IET Digital Library
Author	K., Narayanan Siddiqui, Shahbaz Ahmed Fozdar, Manoj
Abstract	The integration of Distributed Generation (DG) units in the existing power system has made the reliable operation of the system more complex. This has necessitated a comprehensive approach in planning the expansion of the system with the incorporation of DG units for effective and reliable operation of the system. In this study, a robust Hybrid Islanding Detection Technique (HIDT) has been proposed for identifying the islanding event early and accurately in the distribution networks with DGs installed by a two-step Genetic Algorithm (GA) process. As the reliability of power supply to the customer is of utmost importance, a priority-based load shedding scheme is proposed. The proposed load shedding scheme sheds only the vulnerable loads in the island for regaining the frequency and voltage stabilities. By the proposed methods, a comprehensive solution for system planning and emergency control actions can be obtained for effective operation of the system with DG units. The proposed methods are investigated on standard IEEE 33 and 69 bus distribution systems under different loading conditions. The results obtained show that the proposed methods are able to identify the islanding event more effectively and also regain the stability in the island with less amount of load shedding.
Starting Page	586
Ending Page	595
Page Count	10
ISSN	17518687
Volume Number	11
e-ISSN	17518695
Issue Number	Issue 3, Feb (2017)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-gtd/11/3
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-gtd.2016.0437
Journal	IET Generation, Transmission & Distribution
Publisher Date	2017-02-16
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Control of Electric Power System DG Unit Integration Distributed Generation Unit Integration Distributed Power Generation Distribution Network Emergency Control Actions Frequency Control Frequency Stabilities Frequency Stability Genetic Algorithm Knockout Process Load Shedding Optimisation Technique Power Distribution Control Power Distribution Fault Power Distribution Planning Power Distribution Reliability Power Supply Reliability Power System Power System Control Power System Economics Power System Managemen Power System Operation Power System Planning And Layout Priority-based Load Shedding Scheme Reliability Robust Hybrid Islanding Detection Technique Standard IEEE 33 Bus Distribution System Standard IEEE 69 Bus Distribution System System Planning Two-step Genetic Algorithm Process Voltage Control Voltage Regulators Voltage Stabilities
Content Type	Text
Resource Type	Article
Subject	Control and Systems Engineering Energy Engineering and Power Technology Electrical and Electronic Engineering

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