1. What is 1 kW to Amps Conversion?

Definition: This calculator converts 1 kilowatt (kW) of power to amperes (A) in a single-phase electrical system.

Purpose: Helps electricians and engineers determine the current draw for 1 kW loads at different voltages and power factors.

2. How Does the Calculator Work?

The calculator uses the formula:

Where:

• \( I \) — Current in amperes (A)
• \( V \) — Voltage in volts (V)
• \( PF \) — Power factor (unitless, between 0 and 1)

Explanation: Converts 1 kW (1000 watts) to amps by dividing by voltage and power factor.

3. Importance of Current Calculation

Details: Proper current calculation ensures correct wire sizing, circuit protection, and safe operation of electrical equipment.

4. Using the Calculator

Tips: Enter the system voltage (default 230V) and power factor (default 0.9). Typical values range from 0.8 to 1.0 for most equipment.

5. Frequently Asked Questions (FAQ)

Q1: What's a typical current for 1 kW at 230V?
A: About 4.8 A at 230V with PF=0.9 (1000 ÷ (230 × 0.9) ≈ 4.83 A).

Q2: Why is power factor important?
A: Power factor accounts for phase difference between voltage and current in AC systems. Lower PF means higher current for same power.

Q3: What's the difference between single and three phase?
A: This calculator is for single-phase only. Three-phase calculations require a different formula with √3 factor.

Q4: What if my power factor is unknown?
A: Use 0.8 for general loads, 0.9 for motors, or 1.0 for purely resistive loads like heaters.

Q5: How does voltage affect the current?
A: Higher voltage means lower current for the same power (inversely proportional relationship).