Case study · GorkyCAD Pro

Electrical project for a villa in Goa, India

A villa in Goa: 3-phase 415 V supply, 10 kWp of solar with batteries, a 22 kW EV charger, borewell pumps and pool equipment.

📊 Project specifications

Type Villa	Area 350 m²
Phases Three-phase (415 V)	Calculated load 25 kW
Groups 32	Solar 10 kWp
EV charger 22 kW	Design time 4 evenings

🎯 Task

Design a full power supply for a villa: 3-phase input, solar with batteries, EV charger, borewell pumps, pool equipment, voltage stabilizers for the voltage drops.

💡 Solution

Load with demand factors and UPS for the pumps. Solar hybrid inverter 10 kWp with 15 kWh batteries. EV charger 22 kW on a dedicated circuit. Stabilizers on sensitive circuits. Balanced 11/11/10.

Load with demand factors and UPS-backed circuits for the pumps.
Hybrid solar inverter 10 kWp with 15 kWh batteries; 22 kW EV charger on a dedicated circuit.
Voltage stabilizers on sensitive circuits; balanced phases (11/11/10).
PDF set (SLD, plans, specification, cable schedule, panel passport) for the electrician and the electricity board.

✅ Result

The project is ready for the local electrician and the electricity board: SLD, plans, specification, cable schedule, panel passport. Solar net-metering is coordinated.

FAQ

How to handle voltage drops in a villa?

With stabilizers on sensitive circuits plus correctly sized cables — GorkyCAD checks voltage drop against the norm.

Can solar and an EV charger share one project?

Yes: a 10 kWp hybrid inverter with batteries and a 22 kW EV charger on its own circuit, all balanced across three phases.

Can I design without experience?

Yes, GorkyCAD Pro calculates loads, cables and breakers automatically per regulations.

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Frequently asked questions

Is this article free?
Yes, all articles and calculators are completely free.

Where can I run calculations?
The site offers 21 free calculators: cable sizing, breakers, RCD, voltage drop and more.

How do I prepare an electrical project?
In GorkyCAD Pro: plans, panels, calculations and a PDF set for free.

Found an error in the article?
Write to hello@gorkycad.pro — specialists will review and correct it.

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