1. What is Power Consumption?

Power consumption refers to the amount of electrical energy used by a device over a period of time. For motors, it's typically measured in watt-hours (Wh) and represents the total energy used during operation.

2. How Does the Calculator Work?

The calculator uses the power consumption equation:

Where:

• \( P \) — Power in watts (W)
• \( t \) — Time in hours (h)

Explanation: The equation simply multiplies the power rating of the motor by the duration of operation to calculate total energy consumption.

3. Importance of Consumption Calculation

Details: Calculating power consumption helps in estimating energy costs, sizing power systems, and evaluating energy efficiency of motors and other electrical devices.

4. Using the Calculator

Tips: Enter the motor's power rating in watts and the operating time in hours. Both values must be positive numbers.

5. Frequently Asked Questions (FAQ)

Q1: What's the difference between watts and watt-hours?
A: Watts measure power (energy per unit time), while watt-hours measure energy (power × time).

Q2: How do I convert watt-hours to kilowatt-hours?
A: Divide the watt-hour value by 1000 to get kilowatt-hours (kWh).

Q3: Does this account for motor efficiency?
A: No, this calculates electrical input power. Actual mechanical work output would be less due to efficiency losses.

Q4: Can I use this for DC motors?
A: Yes, the calculation works for both AC and DC motors as long as you know the input power.

Q5: How accurate is this calculation?
A: It's accurate for constant power draw. For variable loads, you'd need to calculate consumption for each power level separately.