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Design and Implementation of a Grid-Tied Rooftop Solar Inverter with Anti-Islanding Pro...

Branch: Electrical Engineering Type: Industry-applied final-year Major Project Standard: Mumbai University Rev-2019 'C' Scheme (Major Project I + II) Group: up to 4 students Assessment: 6 review-based milestones (100 marks)

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About this project

Design and Implementation of a Grid-Tied Rooftop Solar Inverter with Anti-Islanding Protection for Urban Buildings

Objective: To develop and demonstrate a robust grid-tied rooftop solar inverter system with integrated anti-islanding protection in compliance with Indian grid safety standards.

India faces significant challenges in ensuring reliable and safe integration of rooftop solar photovoltaic (PV) systems into the urban power grid. Uncontrolled islanding during grid outages poses risks for utility workers, equipment, and end-users, especially as rooftop solar adoption accelerates in commercial and residential sectors.

This project proposes an end-to-end engineering solution: designing, fabricating, and testing a single-phase grid-tied solar inverter equipped with advanced anti-islanding protection as per IS 16159 and IEEE 1547 standards. The system will include MPPT-enabled DC-DC boost stage, synchronized DC-AC inverter stage, and robust anti-islanding detection using active and passive methods. The inverter will be interfaced with a simulated grid and realistic load scenarios for validation.

Key deliverables include a fully functional inverter prototype (1–2kW), hardware implementation using real PV panels and power electronics (IGBTs/MOSFETs), embedded controller (e.g., TI C2000 or STM32), grid-synchronization circuitry, and anti-islanding algorithms with measurable response time. Performance (efficiency, THD, anti-islanding response) will be validated and compared to Indian standards. Documentation includes a detailed report, IEEE-format paper, and live demonstration before an expert panel.

This project addresses a critical industry need, enhances rooftop solar safety and grid stability, and supports the National Solar Mission goals. The scalable design and adherence to Indian standards ensure direct applicability for DISCOMs, solar EPCs, and urban building owners.

Milestones

1. Synopsis & Problem Definition (Stage-I Review-1)

10 marks 25d

Submit a synopsis outlining project scope, objectives, and relevance; reviewed by faculty panel for clarity and industry alignment.

2. Literature / Market Survey & Requirement Analysis (Stage-I Review-2)

12 marks 30d

Conduct a survey of existing grid-tied inverters, anti-islanding techniques, and Indian market solutions; submit a requirement analysis report for faculty review.

3. System Design, Methodology & Cost Analysis (Stage-I close)

18 marks 40d

Deliver detailed system block diagrams, inverter and anti-islanding circuit designs, controller selection, and cost analysis; design reviewed for feasibility and standards compliance.

4. Implementation / Fabrication of Working Model (Stage-II Review-1)

25 marks 45d

Fabricate and assemble hardware, implement embedded code, and integrate all subsystems; prototype demonstrated and reviewed for build quality and functionality.

5. Testing, Results & Validation (Stage-II Review-2)

20 marks 35d

Test inverter performance (efficiency, THD, anti-islanding response) under various scenarios; submit results with validation against IS/IEEE standards for panel review.

6. Report, Paper & Demonstration / Oral Defense (Stage-II final Oral & Practical)

15 marks 30d

Submit a comprehensive report, IEEE-format paper, and demonstrate the working model live; oral defense before an external examiner panel.

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Upcoming sessions

Session	Window	Enrolled
Design and Implementation of a Grid-Tied Rooftop Solar In...	11 Jun 2026 to 10 Jun 2028	0

Skills you'll learn

CapstoneFinal-year projectMajor projectElectrical EngineeringPower electronics circuit design and simulationEmbedded system programming for real-time controlSolar PV system integration and MPPT implementationDesign and testing of anti-islanding protection schemesHardware prototyping and PCB fabricationSystem testingmeasurementand standards-based validationTeamworkproject managementand industry communicationTechnical documentation and research paper writing

Tools used

PV solar panels (200–300W modules)DC–DC boost converter hardwareIGBT/MOSFET-based inverter bridgeMicrocontroller (TI C2000STM32or Arduino Mega with DSP shield)Simulation software (MATLAB/SimulinkPSIM)Oscilloscopepower analyzerand grid simulatorAnti-islanding test circuits and load banksCompliance with IS 16159IEEE 1547 standardsOrCAD/Altium for PCB design

Prerequisites

Power ElectronicsElectrical Machines and DrivesMicrocontrollers and Embedded SystemsPower Systems and ProtectionRenewable Energy Systems

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