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Assessment and Impact of Var Injection Devices on System Parameters

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Abstract

In this research work, analysis and effect of reactive power injection at different voltage level are carried out. The 39-bus test network modeled in mipower software is a part of Rajasthan power system attached with North Regional Grid of Indian Power system synchronized at 765 kV voltage level. The present problem of high load and mismanagement in providing required compensation is addressed in this paper by simulation case study. Reactive power drawl from the components end is judged and analyzed by placing fictious generator at respective voltage level. State power system area is wide, having a hierarchy voltage level varying from 765 to 33 kV, but the utilities are still unaware of obtaining possible sites and voltage level in power system network. As a result, system faces higher loading levels and unnecessary line tripping thus raising losses and reduced reliability. Pertaining to the database collected of financial year 2018–2019. Due to renewable integration the variable load behavior must be accurately known by the system engineers then only load compensation must be provided. Because presently State Load Dispatch Centers provide instructions to the substations to utilize any available compensation device available in the network to use. This paper underlines a way to access the effects on voltage profile, losses, etc. on power system elements with var support at multiple voltage levels. Case studies for real-time network are detailed, to check the observability for a load of 370 MW. The impact of practices followed is observed for the complete network.

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Acknowledgements

The authors are thankful to Rajasthan Electricity Board for sharing the resources and providing the opportunity to perform the research analytics and to Mi-power, Power Research & Development Consultants Pvt. Ltd., Bangalore for software support.

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Authors and Affiliations

  1. Suresh Gyanvihar University Mahal, Jagatpura, Jaipur, India

    Bhavesh Vyas & Mukesh Kumar Gupta

  2. Rajasthan Rajya Vidyut Prasaran Nigam Limited (RVPN), Jaipur, India

    M. P. Sharma

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  1. Bhavesh Vyas
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  2. Mukesh Kumar Gupta
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  3. M. P. Sharma
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Correspondence to Bhavesh Vyas.

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Vyas, B., Kumar Gupta, M. & Sharma, M.P. Assessment and Impact of Var Injection Devices on System Parameters. J. Inst. Eng. India Ser. B 102, 437–445 (2021). https://doi.org/10.1007/s40031-020-00494-1

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  • DOI: https://doi.org/10.1007/s40031-020-00494-1

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