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Hybrid Microgrid Energy Management

Hybrid AC/DC Microgrid with Diesel Generator, Solar PV and Battery Energy Storage (BESS) – MATLAB Simulink Simulation

A hybrid AC/DC microgrid that coordinates a diesel generator, solar photovoltaic source, battery energy-storage system and bidirectional interlinking converter to supply mixed AC and DC loads.

Renewable Energy & Smart GridMATLAB SimulinkPhD ResearchEngineering ProjectFYP
MATLAB Simulink project video: Review the system architecture, controller sequence, scope waveforms and model response. The video file is loaded from assets/videos.
Academic-use disclaimer: Parameters, blocks, outputs and performance values depend on the selected paper, software release, component ratings and university requirements. This page supports technical learning, project planning and ethical research implementation.

Project Objective

Maintain stable AC frequency, AC voltage and DC-bus voltage while coordinating renewable generation, diesel dispatch and BESS charge/discharge across changing generation and load conditions.

The page is written to help researchers move from a project title to a structured model, a defendable simulation methodology and a clear set of result graphs without claiming fixed performance before the final parameters are selected.

System Architecture and Main Blocks

  • AC microgrid with diesel synchronous generator and AC loads
  • DC microgrid with PV source, DC–DC converter and DC loads
  • Battery energy-storage system with bidirectional converter
  • Bidirectional AC/DC interlinking converter
  • PV MPPT, DC-bus voltage, frequency and power-control loops
  • Supervisory energy-management and source-priority logic

MATLAB Simulink Methodology

  1. Define AC/DC load profiles, PV rating, diesel limits and BESS capacity.
  2. Validate each source and converter independently before interconnection.
  3. Set interlink-converter control for active-power exchange and bus support.
  4. Implement source-priority, SOC limits and diesel start/stop or power-reference rules.
  5. Apply irradiance changes, load steps and islanding transitions while logging bus and source variables.

Recommended Simulation Scenarios

  • High PV generation with battery charging
  • Low PV generation with diesel and BESS support
  • AC-load and DC-load steps
  • BESS SOC upper/lower limit transition
  • Interlink-converter power reversal and islanded operation

Expected Outputs and Performance Metrics

  • AC-bus voltage and frequency
  • DC-bus voltage and ripple
  • Diesel, PV, BESS and interlink-converter power
  • Battery SOC, current and charge/discharge state
  • Power balance, load supply continuity and transient response

Results should be plotted with labelled axes, units, reference signals and event times. Baseline and proposed-control cases should use the same operating conditions for a fair comparison.

Research Novelty and Extension Options

  • Droop-free centralized energy management
  • Model-predictive or fuzzy supervisory control
  • Hydrogen/fuel-cell addition and diesel minimization
  • Black-start and seamless islanding/reconnection
  • Techno-economic sizing and emissions analysis

Applications for PhD, Engineering Projects and FYP

  • Microgrid PhD and master’s research
  • Renewable-energy FYP and final-year projects
  • Remote, campus and industrial microgrid studies
  • Hybrid AC/DC converter-control evaluation
  • Energy-management and source-sizing studies

Suggested Report Structure

A strong report can include problem definition, literature review, governing equations, system block diagram, parameter table, controller design, simulation cases, result discussion, limitations, proposed novelty and future scope. Screenshots should be accompanied by technical interpretation rather than presented without explanation.

Frequently Asked Questions

Hybrid AC/DC Microgrid with Diesel Generator, Solar PV and Battery Energy Storage (BESS) – MATLAB Simulink Simulation

What is the role of the interlinking converter?

It transfers power between AC and DC buses and can regulate one bus variable while following an active-power reference.

Why retain a diesel generator?

It provides dispatchable power and inertia for remote or backup operation when renewable generation and stored energy are insufficient.

How should BESS SOC limits be handled?

The supervisor should prevent charge or discharge commands outside safe limits and transfer the power deficit or surplus to other sources.

Which plots show correct power sharing?

Plot every source, load and interlink power on a common time axis together with AC frequency, DC voltage and SOC.

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Research Enquiry

Need a research-aligned implementation plan?

Share your base paper, software version, required controller or algorithm, expected graphs and deadline. The model scope can then be mapped clearly for a dissertation, publication study or FYP.

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