1. What is kW to kVA Conversion?

Definition: This calculator converts real power (kW) to apparent power (kVA) for generators using the power factor.

Purpose: It helps electrical engineers and technicians properly size generators and understand power requirements.

2. How Does the Calculator Work?

The calculator uses the formula:

Where:

• \( kVA \) — Apparent power (kilovolt-amperes)
• \( P_{kW} \) — Real power (kilowatts)
• \( PF \) — Power factor (unitless, between 0 and 1)

Explanation: The real power is divided by the power factor to determine the apparent power needed from the generator.

3. Importance of kW to kVA Conversion

Details: Proper conversion ensures generators are correctly sized to handle both the real power (kW) and reactive power (kVAR) demands.

4. Using the Calculator

Tips: Enter the real power in kW and power factor (default 0.8). Power factor must be between 0.01 and 1. All values must be > 0.

5. Frequently Asked Questions (FAQ)

Q1: What is power factor?
A: Power factor is the ratio of real power (kW) to apparent power (kVA), representing how effectively power is being used.

Q2: Why is 0.8 a common power factor?
A: Many industrial loads have a power factor around 0.8, making it a good default value for general calculations.

Q3: When would I use a different power factor?
A: Use specific power factors for known equipment: 1.0 for resistive loads, 0.95 for motors at full load, or 0.7 for induction motors.

Q4: What's the difference between kW and kVA?
A: kW measures real power doing actual work, while kVA measures total apparent power (real + reactive power).

Q5: Why is this important for generators?
A: Generators must be sized based on kVA (apparent power) as they must supply both real and reactive power components.