NDLI: Reliability and sensitivity analysis of composite power systems considering voltage and reactive power constraints

Content Provider	IET Digital Library
Author	Benidris, Mohammed Mitra, Joydeep
Abstract	This study investigates the effects of voltage and reactive power constraints on composite system reliability indices. Four indices have been used to assess the sensitivity of load curtailments to voltage and reactive power constraints. Furthermore, expressions to evaluate the sensitivity of the severity indices with respect to the voltage and reactive power constraints have been developed. Extensive simulations on the Institute of Electrical and Electronics Engineers (IEEE) reliability test system based on the AC power flow model were carried out to correlate the violations of these limits and the loading level of the system. A non-linear, AC power flow-based model has been used to accurately represent system redispatch. A state space reduction technique has been utilised to reduce the computation time. A comparison between redispatch models using AC and DC power flow has been provided to illustrate the benefits of the more accurate AC flow model and to investigate the effects of the voltage and reactive power constraints on reliability indices.
Starting Page	1245
Ending Page	1253
Page Count	9
ISSN	17518687
Volume Number	9
e-ISSN	17518695
Issue Number	Issue 12, Sep (2015)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-gtd/9/12
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-gtd.2014.0938
Journal	IET Generation, Transmission & Distribution
Publisher Date	2015-03-26
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Composite Power System Composite System Reliability Indices DC Power Flow IEEE Reliability Test System Load Curtailments Load Dispatching Load Flow Nonlinear AC Power Flow-based Model Power System Economics Power System Managemen Power System Operation Power System Reliability Reactive Power Reactive Power Constraint Reliability Reliability Analysis Sensitivity Analysis State Space Method State Space Reduction Technique System Redispatch Model Voltage Power Constraint
Content Type	Text
Resource Type	Article
Subject	Control and Systems Engineering Energy Engineering and Power Technology Electrical and Electronic Engineering

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