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Solar photovoltaic (PV) renewable energy systems are undergoing major technological developments and large-scale field deployment and electric grid integration. This paper proposes a method of expanding the capacity of an existing irrigation farm with additional pumps powered by solar PV. The system includes PV arrays and battery energy storage connected to a common dc bus, which energizes an array...
A hybrid distributed generation system (HDGS) using a multi-input multi-output positive buck-boost converter (MIMO-PBBC) is proposed for the supply-side of the grid-connected photovoltaic (PV) generation power plant, where three PV clusters, one battery bank, and one supercapacitor module are hybridized and regulated by a centralized three-phase dc-ac inverter with their corresponding control systems...
A transformerless direct single phase grid-connected battery-supercapacitor hybrid energy storage system based on a modified boost inverter configuration and its associated control strategy are proposed in this paper. The proposed control strategy comprises a double loop output voltage controller, active and reactive power droop controller, battery state of charge (SOC) management system based on...
Vehicle to grid (V2G) power transfer has been under research for more than a decade because of the large energy reserve of an electric vehicle battery and the potential of thousands of these connected to the grid. In this study a complete analysis of the front end inverter of a non-isolated bidirectional EV/PHEV charger capable of V2G reactive power compensation is presented.
A model is developed for the RRS James Clark Ross using the Virtual Test Bed (VTB) simulation package. The model is integrated into a multiobjective optimisation process through a simulation interface developed for this purpose. The interface allows for visualisation of the optimisation results, and facilitates the transfer of design parameters to the simulation model. The simulation model is applied...
This paper presents a single phase grid-connected PV system integrating energy storage system (ESS) using cascaded multilevel inverter. A Discrete Fourier Transform (DFT) Phase Locked Loop (PLL) method is proposed to improve system dynamic performance. A coordinated active and reactive power management (ARPM) strategy is developed based on the dual-stage DFT PLL method. The point of common coupling...
Electric vehicles (EVs) and plug-in hybrid electric vehicles (PHEVs) are becoming a part of the electric grid day by day. Chargers for these vehicles have the ability to make this interaction better for the consumer and for the grid. Vehicle to grid (V2G) power transfer has been under research for more than a decade because of the large energy reserve of an electric vehicle battery and the potential...
Microgrids can employ a variety of sources that work together to supply local power and offer significant system efficiency gains from combined heat and power (CHP). Energy storage elements offer the flexibility to supply power even when intermittent sources are not online, but accurate control of the energy level of the energy storage element is critical to maintaining the bi-directional power capabilities...
Plug-in hybrid electric vehicles (PHEVs) potentially have the capability to fulfill the energy storage needs of the electric grid by supplying ancillary services such as reactive power compensation, voltage regulation, and peak shaving. However, in order to allow bidirectional power transfer, the PHEV battery charger should be designed to manage such capability. While many different battery chargers...
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