1. What is a kW to kVA Converter?

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

Purpose: It helps electrical engineers and technicians determine the apparent power needed for electrical systems.

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 calculate the apparent power required by the system.

3. Importance of kW to kVA Conversion

Details: Proper conversion ensures correct sizing of electrical equipment like transformers, generators, and circuit breakers.

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.

5. Frequently Asked Questions (FAQ)

Q1: What is power factor?
A: Power factor is the ratio of real power to apparent power, representing the efficiency of power usage.

Q2: What's a typical power factor value?
A: Industrial loads typically have 0.8-0.9, while residential may be 0.95-1.0. Motors often have 0.8-0.85.

Q3: Why is kVA different from kW?
A: kW measures real power, while kVA measures apparent power (real power + reactive power).

Q4: When would I need this conversion?
A: When sizing electrical equipment that's rated in kVA rather than kW, like transformers or UPS systems.

Q5: What if my power factor is unknown?
A: Use 0.8 as a conservative estimate, or measure it with a power quality analyzer.