An optimal energy management system (EMS) is necessary due to the growing energy demand derived from sustainable sources such as solar energy. The design of a Maximum Power Extraction Charge Controller (MPECC) for solar photovoltaic systems was the main objective of this proposed research work. The MPECCs significantly contribute to raising the annual energy yield and capacity of PV plants. In order to create this algorithm, a revolutionary EMS technique focuses on all the components, including the source (PV plants), battery, and loads. Also, it optimizes the PV power extraction while concurrently concentrating on load reliability and DOD management of the energy storage device (battery). The PV source supplies the necessary load power first, with any remaining power coming from the battery. Extra PV power is utilized for energy storage or to run additional loads. The maximum power point tracking (MPPT) algorithm of Perturb and Observe (P&O) controls the DC-DC converter. A DC-Link is used to operate the load at a steady voltage. A bidirectional converter is utilized between the DC-Link and the energy storage device to enable both sides power flow in the event of charging and discharging. It makes use of bidirectional switches, such as IGBT and MOSFET. The entire circuit is simulated using MATLAB/Simulink.

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Design and Performance Analysis of Maximum Power Extraction Charge Controller (MPECC) for Solar Photovoltaic System

  • N. Kalaiselvan,
  • K. Hariprasath,
  • G. Guhan

摘要

An optimal energy management system (EMS) is necessary due to the growing energy demand derived from sustainable sources such as solar energy. The design of a Maximum Power Extraction Charge Controller (MPECC) for solar photovoltaic systems was the main objective of this proposed research work. The MPECCs significantly contribute to raising the annual energy yield and capacity of PV plants. In order to create this algorithm, a revolutionary EMS technique focuses on all the components, including the source (PV plants), battery, and loads. Also, it optimizes the PV power extraction while concurrently concentrating on load reliability and DOD management of the energy storage device (battery). The PV source supplies the necessary load power first, with any remaining power coming from the battery. Extra PV power is utilized for energy storage or to run additional loads. The maximum power point tracking (MPPT) algorithm of Perturb and Observe (P&O) controls the DC-DC converter. A DC-Link is used to operate the load at a steady voltage. A bidirectional converter is utilized between the DC-Link and the energy storage device to enable both sides power flow in the event of charging and discharging. It makes use of bidirectional switches, such as IGBT and MOSFET. The entire circuit is simulated using MATLAB/Simulink.