1. What is Electrical Load Calculation?

Electrical load calculation determines the energy consumption of luminous devices by multiplying power consumption by usage time. It helps in energy management and cost estimation for lighting systems.

2. How Does the Calculator Work?

The calculator uses the basic electrical load formula:

Where:

• \( Power \) — Device power consumption in watts
• \( Time \) — Duration of use in hours
• 1000 — Conversion factor from watt-hours to kilowatt-hours

Explanation: The formula converts watt-hours to the more standard kilowatt-hours (kWh) used for electrical billing.

3. Importance of Load Calculation

Details: Accurate load calculation helps in energy budgeting, cost estimation, and determining appropriate power supply capacity for lighting installations.

4. Using the Calculator

Tips: Enter power consumption in watts and usage time in hours. Both values must be positive numbers.

5. Frequently Asked Questions (FAQ)

Q1: How do I find a device's power consumption?
A: Check the device specifications or look for wattage information on the label. LED bulbs typically range from 5-20 watts.

Q2: What's the difference between watts and kilowatt-hours?
A: Watts measure power (energy per second), while kilowatt-hours measure total energy consumption (power × time).

Q3: How can I estimate my lighting costs?
A: Multiply the kWh result by your electricity rate (cost per kWh) to get the cost for that usage period.

Q4: Does this work for all electrical devices?
A: Yes, this basic formula works for any electrical device, though some devices may have variable power consumption.

Q5: Why divide by 1000?
A: Utility companies bill in kilowatt-hours (kWh), which are 1000 watt-hours, so we convert for practical usage.