URJABAAZAAR ENGINEERING SUITE·4 INTERACTIVE TOOLS

Engineering Calculators & Sizing Suite

Formulas and engineering standards built specifically for solar contractors, EPCs, panel builders, and electrical engineers across India.

☀️TOOL 01 OF 04

Solar PV Array & Battery Sizing Suite

Calculate required PV array kWp, panel count, MPPT hybrid inverter rating, and 48V LiFePO4 battery bank capacity from daily kWh usage.

OUTPUT:kWp & Battery Sizer

⚡TOOL 02 OF 04

Calculate exact copper/aluminum conductor cross-section (mm²), terminal voltage drop %, and power loss per IEC 60364-5-52 & IS 732.

OUTPUT:IEC / IS Sizing

📈TOOL 03 OF 04

Model 25-year cumulative net profit, Levelized Cost of Energy (LCOE ₹/kWh), payback years, and CO₂ carbon offset reduction.

OUTPUT:25-Yr LCOE Model

🔋TOOL 04 OF 04

Calculate inverter backup duration in hours & minutes based on appliance load builder, bank voltage, and LiFePO4 vs Lead-Acid chemistry.

OUTPUT:Hours & Minutes