A cost‐effective DC microgrid system for resilient power supply to grid‐connected societies

Abstract

Local renewable energy sources have the potential to provide power security to societies. The main objective of this research is to improve electricity reliability in grid‐connected societies in case of the grid failure or during blackouts. Here, a cost‐effective method to utilize local irregular renewable energy sources for community applications has been proposed. Solar PV, pumping units, domestic loads, and pico hydro are the main parts of the proposed system. The storage water tank also performs the function of pump storage to deliver power during off‐sun periods. The pump storage generates electricity by using the unused potential of the water stored in the storage tank. In islanded mode, the system delivers power to the village to essential loads and fluctuating power to the dump load. The paper provides a case study in which the proposed DC microgrid has been demonstrated for a society to validate the system's performance for different practical scenarios. It has been validated for financial and technical feasibility through economic analysis and MATLAB Simulation performance respectively.

Development of a distributed group control strategy for pumping well groups connected by multisource DC microgrids

“…The new block oil extraction energy system connects power sources such as grid power, photovoltaic power, wind power, and energy storage to multiple pumping unit loads through a DC microgrid, where RTUs control each well 29 – 31 . Figure 1 shows the representative control structure of the multisource DC microgrid pumping unit group control system scheme based on SCADA.…”

Special issue on: AI/data‐based modeling, control, and operation of smart grid power systems

“…A multiloop frequency controller augmented with fractional‐order calculus with in‐depth qualitative analysis for smart grid has been presented 1,2 . The challenging area in EV charging stations with PV array and distribution network, 3 optimal power flow with renewables integrated smart grid, 4 security assessment of grid‐connected society during grid failure or blackouts, 5 resilient power quality control framework for an autonomous microgrid, 6 and detection of false data injection attacks in smart grid 7 have been addressed to cope with challenging issues in smart grid operation/control continuum.…”