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Reactive Power Loss Index for Identification of Weak Nodes and Reactive Compensation Analysis to Improve Steady State Voltage Stability

Reactive Power Loss Index for Identification of Weak Nodes and Reactive Compensation Analysis to Improve Steady State Voltage Stability
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Author(s): Tukaram Moger (National Institute of Technology Karnataka, India) and Thukaram Dhadbanjan (Indian Institute of Science Bangalore, India)
Copyright: 2020
Pages: 61
Source title: Novel Advancements in Electrical Power Planning and Performance
Source Author(s)/Editor(s): Smita Shandilya (Sagar Institute of Research, Technology and Science, India), Shishir Kumar Shandilya (Vellore Institute of Technology, India), Tripta Thakur (Maulana Azad National Institute of Technology, India) and Atulya K. Nagar (Liverpool Hope University, UK)
DOI: 10.4018/978-1-5225-8551-0.ch007

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Abstract

This chapter presents a new reactive power loss index for identification of weak buses in the system. This index can be used for identification of weak buses in the systems. The new reactive power loss index is illustrated on sample 5-bus system, and tested on sample 10-bus equivalent system and 72-bus equivalent system of Indian southern region power grid. The validation of the weak buses identification from the reactive power loss index with that from other existing methods in the literature is carried out to demonstrate the effectiveness of the index. Simulation results show that the identification of weak buses in the system from the new reactive power loss index is completely non-iterative, and thus requires minimal computational efforts as compared with other existing methods in the literature.

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