Smart grid for energy management on distribution system with distributed generation

Rugthaicharoencheep, N.; Boonthienthong, M.

doi:10.1109/cyber.2012.6392547

Cited by 12 publications

(1 citation statement)

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“…The introduction of smart grid technologies will address these issues. With the study implementation of smart grid technologies in the existing distribution networks, real time measurement and online control of voltage can be achieved [9][10]. Voltage profile has to be estimated first for the voltage control.…”

Section: Introductionmentioning

confidence: 99%

Online voltage estimation and control for smart distribution networks

Raghavendra

Gaonkar

2016

J. Mod. Power Syst. Clean Energy

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The increasing deployment of Distributed Generation (DG) technologies introduces power quality challenges to the grid, in particular steady state voltage rise at the connection point for DG units. In most distribution networks, control and monitoring of grid parameters is missing, as well as system security is at risk. Smart grid technologies have the capability to realize the real-time measurements and on-load voltage controls. With the steady implementation of smart grid technologies throughout the existing distribution networks, the online voltage control can be achieved ensuring the power quality and voltage levels within the statutory limits. This study presents a methodology for the estimation of voltage profile in a smart distribution network with DG for the online voltage control, taking into account different line X/R ratios and laterals. This method is based on maximum and minimum voltage estimation by remote terminal units (RTUs) placed only at DG connected bus and at capacitor connected bus. Voltage regulation is carried out based on RTUs estimated values. This work is tested on two radial distribution networks with/without DGs and laterals. Comparative results for voltage magnitudes estimated with different methodology are presented. The reported simulation results show that the method presented is capable of estimating the voltage profile along the distribution network with DGs for the online voltage control, considering different line X/R ratios and laterals.

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Section: Introductionmentioning

confidence: 99%