Assessment of voltage changeability with reactive power source allotment for real time network
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Sådhanå (2020)45:233 https://doi.org/10.1007/s12046-020-01469-0
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Assessment of voltage changeability with reactive power source allotment for real time network BHAVESH VYAS1,* , MUKESH KUMAR GUPTA1 and M P SHARMA2 1
Electrical Department, Suresh Gyan Vihar University, Jaipur, India Electrical Department, Rajasthan Vidhyut Prasaran Nigam, Jaipur, India e-mail: [email protected]
2
MS received 30 April 2020; accepted 5 July 2020 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. Keywords.
Voltage variations; reactive power management; inductor; capacitive assessment.
1. Introduction With the rising demands of electricity, the load areas are enlarging yearly. As a result, emphasis is laid on providing power to consumer at their local side, since load areas have been extended far from conventional generating plants. It raises the dependency over reactive power penetration in grid. Transmission network is a complex structure, with the predictable rush in electricity demand for the future [1, 2]. All power utilities are trying their best to replace coal fuels with green energy sources, these fast integration of renewable energy in the transmission network needs essential planning sooner than later. Engineering practices are expanding multidimensionally. Basic load flow studies are shifted to optimization along with blends of artificial intelligence, mathematical models and multi-agent-based approaches are varying the traditional pattern of grid management, present time focus is on technology available and its upgradations. As per the 13th electricity plan peak electric load will hit 19,692 MW ti
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