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Assessment of voltage changeability with reactive power source allotment for real time network

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Abstract

In this research work investigation of reactive power necessity at standard voltage level is practiced. The 39-bus test network modeled in mipower application is a part of Rajasthan power system, attached with North Regional National Grid synchronized at 765 kV voltage level. State power utilities are unable to obtain the profoundness in providing, static or dynamic compensation at multiple voltage available within the grid. Reactive power drawl from the network end is judged and analysed by placing imaginary generator at available voltage level. In Rajasthan power system voltage level arrays from 765 kV to 33 kV and the utilities are puzzled in managing var penetration due to poor estimation. As a result, higher loading levels and abrupt line tripping raises losses and reduces system reliability. The simulation case studies presented herby from the database of financial year 2018-19 will be envisaged by the utilities after evaluation is over. Presently State Load Dispatch Centers deliver instruction to substations to utilize any compensation device available without prior calculation. But this paper underlines a way to access the effects on voltage profile, losses etc. in power system structure after planned var support at optimum voltage level. Case studies over real time network is detailed, to check the observability for a load of 370 MW. The impact of practices followed is observed for the designed network.

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Acknowledgements

The first author would like to thank the research guide and family for the support, along with lab engineers working at Rajasthan Electricity Board for sharing the resources and providing me the opportunity perform research analytics. I gratefully acknowledge the support of SCADA Engineers (RVPN) for data analytics and Dr. Nagraja for Mipower Software support (PRDC), Bangalore.

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Correspondence to BHAVESH VYAS.

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VYAS, B., GUPTA, M.K. & SHARMA, M.P. Assessment of voltage changeability with reactive power source allotment for real time network. Sādhanā 45, 233 (2020). https://doi.org/10.1007/s12046-020-01469-0

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