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Content Provider | IET Digital Library |
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Author | Zaman, Muhammad Saeed Uz Bukhari, Syed Basit Ali Haider, Raza Khan, Muhammad Omer Baloch, Shazia Kim, Chul Hwan |
Abstract | In the modern power systems, controllable loads are integrated through demand response (DR) programs and energy storage systems are exploited to provide virtual inertia (VI) with the help of power converters. The effectiveness of DR and VI in improving the power system's performance is well-addressed in the literature, however, their impact on the power system's stability is not well-documented. In this work, a novel analytical model is developed for sensitivity and stability analysis of power system frequency response with respect to important system parameters considering DR and VI. The developed model considers the individual and combined role of DR and VI control loops in the power system. The model is validated through extensive simulations on different systems with slow and fast dynamics. It is shown that, despite providing better frequency response, the introduction of DR and VI control loops can sometimes deteriorate the stability margins of the power system. The findings of this study call for careful calculations during the process of integrating DR and VI controls to the conventional power system. |
Starting Page | 986 |
Ending Page | 996 |
Page Count | 11 |
ISSN | 17518687 |
Volume Number | 14 |
e-ISSN | 17518695 |
Issue Number | Issue 6, Mar (2020) |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-gtd/14/6 |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-gtd.2018.6580 |
Journal | IET Generation, Transmission & Distribution |
Publisher Date | 2020-01-30 |
Access Restriction | Open |
Rights Holder | © The Institution of Engineering and Technology |
Subject Keyword | Control of Electric Power System Control System Analysis Demand Response DR Control Loop Energy Storage Energy Storage System Frequency Control Frequency Response Power Converter Power Supplies to Apparatus Power System Control Power System Frequency Response Power System Simulation Power System Stability Sensitivity Analysis Stability Analysis Stability in Control Theory Synthesis Method VI Control Loop Virtual Inertia |
Content Type | Text |
Resource Type | Article |
Subject | Control and Systems Engineering Energy Engineering and Power Technology Electrical and Electronic Engineering |
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