Abstract
The power delivered by photovoltaic (PV) arrays is dependent on environmental factors, and hence the availability and quality of power delivered by the PV array is low. These issues can be mitigated by integrating a battery energy storage system (BESS) with PV arrays. The integration of the BESS with PV arrays requires controller circuits to regulate power flow between the BESS, PV array, and the load. In this paper, a boost converter-based controller is proposed. The proposed controller has higher reliability and efficiency, and lower operational complexity. It improves the power quality and availability by adjusting the power flow to/from the BESS while delivering the required load power. A simulation study was performed to validate the proposed controller under varying irradiance and temperature of the PV array. The controller was validated against both lithium-ion and lead-acid BESSs.
Highlights
Chopper-Based Control Circuit forThe high energy demand and pollution awareness has led to the need for green energy systems [1]
In order to improve this, a hybrid solar PV grid [3] with a battery energy storage system (BESS) is used
Boost converter which is connected to a three-phase, three-level voltage source converter (VSC)
Summary
The high energy demand and pollution awareness has led to the need for green energy systems [1]. In order to improve this, a hybrid solar PV grid [3] with a battery energy storage system (BESS) is used This increases the efficiency of the grid in terms of availability and power quality. The annual operating cost of the hybrid PV grid has decreased due to reductions in the cost of the batteries This has led to a wider adoption of PV arrays with BESSs in standalone off-grid peak power delivery systems [6,7,8,9,10,11,12]. A chopper-based control circuit is proposed to integrate the BESS with a standalone PV grid [17].
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