Project Hub /IoT & Connected Devices/Telemetry & Remote Logging/Electric Vehicle Safety with Short Circuit Protection System

Intermediate

ANALOG / DISCRETE

₹1,500 – ₹5,000

3 – 6 Hours

Partial Kit

Electric Vehicle Safety with Short Circuit Protection System

This Electric Vehicle Safety project focuses on protecting the motor and battery from short circuits using relays in electric vehicles.

Originally published on ElectronicsForU

View original tutorial

Parts You'll Need

This project is sourced from another site, not written by us — this list is our best match of their components against what we stock, not a verified bill of materials. Always check the original blog (linked above) for the actual parts list before buying.

5V 1 Channel Relay Module Rs. 87.00
Jumper Wire 10 Pin Male To Male 20cm Rs. 45.00
3–6V R140 DC Motor (High-Speed DIY & Toy Motor) Rs. 49.00
400 Points Mini Solderless Prototype PCB Breadboard High Quality Rs. 89.00
MB102 Adjustable Breadboard Power Supply Module (3.3V & 5V) for Arduino & Raspberry Pi Rs. 139.00
Jumper Wire 10 Pin Male To Female 20cm Rs. 45.00

Selected: Rs. 0.00

We don't carry yet: Battery (generic / unspecified)
Protection Circuit Components
Load simulation components

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How It Works

The Electric Vehicle Safety with Short Circuit Protection System is designed to safeguard both the battery and the motor from catastrophic overcurrent events. At the core of the system is a combination of protection circuit components that continuously monitor the electrical state of the circuit. Under normal operating conditions, power flows seamlessly from the battery, through the switching hardware, and into the motor/load simulation components to drive the system. However, if a sudden drop in resistance occurs—indicative of a short circuit—the protection circuit components rapidly detect the dangerous surge in current. Upon detection, the control logic triggers the electromechanical relays. These relays act as fast-acting automated switches that physically break the circuit, immediately cutting off the electrical pathway between the high-energy battery and the faulted load. Connecting wires tie the entire discrete architecture together, ensuring reliable signal and power routing. By isolating the power source during a fault, the system prevents overheating, component burnout, and potential battery damage.

Why Build This

Gain practical undergraduate-level experience in designing foundational safety mechanisms for electric powertrain architectures.

Understand how discrete protection circuits and electromechanical relays collaborate to prevent catastrophic battery and motor failures during short circuits.

Implement hardware-level fault mitigation techniques applicable to real-world battery management systems and electric vehicle safety protocols.

Real-World Application

Electric vehicle safety systems, battery management systems, and electric powertrain protection.

Skills You'll Learn

Circuit protection design

Relay control and switching

Overcurrent fault detection

Power distribution management

Discrete analog troubleshooting

Safety Precautions

Exercise caution when working with high-current batteries and relays to avoid electrical shocks and short circuits.

Technology Tags

RELAYS

SHORT CIRCUIT PROTECTION

ELECTRIC VEHICLES

BATTERY SAFETY

POWER ELECTRONICS

Frequently Asked Questions

What happens if a short circuit occurs while the system is running?

The protection circuit components will immediately detect the excessive current surge and command the relays to open, instantly disconnecting the battery from the load to prevent damage.

Do I need any programming or software to run this project?

No, this is an analog and discrete hardware system, meaning no software or programming is required for operation.

Can I test this project without a real electric vehicle motor?

Yes, the system utilizes motor/load simulation components specifically designed to safely test fault conditions and current responses in a benchtop environment.

This page is part of Kitkraft's Project Hub — a curated collection of electronics & robotics projects gathered from the maker community to help students and hobbyists discover and learn to build. Kitkraft does not claim authorship of the original project, and makes no representation as to the accuracy, completeness or safety of third-party source material. The summary and "How It Works" explanation above are AI-generated, rewritten with reference to the original tutorial — not a reproduction of it. Full credit and a direct link to the original source are provided above. If you're the original creator and have a concern about how your work is represented here, please contact us and we'll address it promptly.

Kitkraft Project Hub — curated from the maker community, credited at the source.

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