Description

The system is designed as a microcontroller-based, compact Solar PV Module Analyzer for real-time measurement and analysis of key electrical parameters of solar photovoltaic modules. It shall provide measurement of Open Circuit Voltage, Short Circuit Current, Voltage and Current at Maximum Power, along with provision for generating I-V and P-V characteristic curves for detailed study, analysis, and educational applications.

System Configuration

Microcontroller-based compact equipment for real-time measurement, analysis, and characterization of Solar PV Module electrical parameters.

Measurement Capabilities

• Open Circuit Voltage (Voc): Measured up to 50V
• Short Circuit Current (Isc): Measured up to 10A
• Voltage at Maximum Power (Vmp): Measurable
• Current at Maximum Power (Imp): Measurable
• Graph Plotting: Optional provision for I-V and P-V characteristic curves through PC interface

Display & Interface

• LCD Display: 16 × 2 alphanumeric, backlit
• User Interface: Tactile switches or soft keys for menu navigation
• PC Interface: USB or RS232 for data logging and analysis
• Software: Compatible with Windows OS for real-time data acquisition, plotting, and storage

Electrical Ranges

• DC Voltage Range: 0–50V DC
• DC Voltage Resolution: 0.1V or better
• DC Voltage Accuracy: ±1% or better
• DC Current Range: 0–10A DC
• DC Current Resolution: 0.01A
• DC Current Accuracy: ±1% or better

Power Supply

• Dual Power Operation: Battery operated and mains operated
• Battery Operated: Rechargeable internal battery, 12V, 1.3Ah or Li-ion equivalent
• Mains Operated: AC adapter input 230V ±10%, 50Hz
• Battery Backup: Minimum 4 hours of continuous use
• Charging Indication: LED indicator for charging status

Construction & Mechanical

• Enclosure: Portable, rugged plastic/metal casing
• Cooling: Natural convection
• Connectors: 4mm banana sockets for PV input and measurement
• Dimensions: Approx. 300 mm × 200 mm × 150 mm
• Weight: Less than 4 kg

Safety & Protection

• Reverse Polarity Protection: Provided for PV input
• Over-Voltage Protection: Provided
• Over-Current Protection: Provided
• Fuse Protection: Provided for internal electronics

Accessories & Documentation

• Test Leads: Pair of test leads with banana connectors
• USB Cable: USB cable for PC interface
• AC Adapter/Charger: Provided
• Software & User Manual: CD/Pen Drive containing software and user manual
• Printed Documentation: Printed user and experiment manual