Technical Specifications
Core IC
LM358 Op-Amp
Protection
Overload & Short Circuit
Switching
Auto Power Shift
Microcontroller
None
Project Progress
Circuit Design100%
Testing100%
Documentation95%
Project Overview
An advanced digital miniature circuit breaker (MCB) designed for smart power management. It offers adjustable current settings and automatic switching to protect against overloads and short circuits. Notably, this MCB is built without any microcontroller, relying solely on an LM358 op-amp.
Key Features
Overload & Short Circuit Prevention
Safeguards electrical systems effectively.
Automatic Power Shifting
Seamlessly switches between main supply and inverter.
Microcontroller-Free Design
Operates solely using an LM358 op-amp.
Achievements
A smart and cost-effective solution for enhanced power safety and management.
Key Learnings
Analog Circuit Design
Mastered op-amp based current sensing and tripping logic.
Hardware Reliability
Achieved stable operation without digital control.
Cost Optimization
Designed a low-cost alternative to smart MCBs.
Target Audience
- Electrical engineers and hobbyists.
- Automation and power system designers.
- Industry professionals seeking efficient, microcontroller-free solutions.
- Educational institutes for practical learning in power electronics.
Applications
- Home & industrial power protection
- Inverter backup systems
- Rural electrification
- DIY safety devices