Abstract

This paper proposes renewable energy based water pumping system in a smart home using a bidirectional DC-DC converter. A backup battery is connected in the system for uninterrupted power supply to the water pump. Depending upon source availability, DC-DC converter acts either in boost mode or in buck mode to supply uninterrupted power to the water pump. Using MATLAB/Simulink software, the proposed system is simulated and its performance is analyzed for various operating conditions and the results are furnished in this paper. A small scale laboratory prototype is fabricated and tested for the designed system. Experimental results acquired from the prototype testing correlates with the simulation results validating the feasibility of the proposed water pumping system.

Highlights

  • Advances in home automation technology led researchers to concentrate on smart home system

  • This paper proposes renewable energy based water pumping system in a smart home using a bidirectional DC-DC converter

  • This paper proposes a smart home system employing a DC-DC converter for feeding the PV array generated power to the water pump

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Summary

Introduction

Advances in home automation technology led researchers to concentrate on smart home system. Due to intermittent nature of solar power, a backup battery is connected with the water pumping system for providing uninterrupted power supply [10]. This backup battery operates the main system during low power generation from the PV array [11]. For integrating the PV array with smart home system, a bidirectional buck boost converter is connected as a power electronic interface [12]. This paper proposes a smart home system employing a DC-DC converter for feeding the PV array generated power to the water pump. A backup battery is used in the system to supply the uninterrupted power to the water pump under low irradiation conditions. Detailed description of the proposed system is explained

Proposed water pumping system
Controller
Simulation studies and results
Experimental investigation of the proposed system
Conclusion
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