1. What is 3 Phase Generator Voltage?

The 3 phase generator voltage is the line-to-line voltage produced by a three-phase generator, calculated based on the power output, current, and power factor. It's a critical parameter in electrical power systems.

2. How Does the Calculator Work?

The calculator uses the 3-phase voltage formula:

Where:

• \( V \) — Line-to-line voltage (volts)
• \( P \) — Power (watts)
• \( I \) — Current (amps)
• \( PF \) — Power factor (unitless)
• \( \sqrt{3} \) — Constant for 3-phase systems (≈1.732)

Explanation: The equation relates the electrical power output to the voltage, current, and power factor in a balanced three-phase system.

3. Importance of Voltage Calculation

Details: Accurate voltage calculation is essential for proper generator sizing, electrical system design, and ensuring compatibility with connected equipment.

4. Using the Calculator

Tips: Enter power in watts, current in amps, and power factor (between 0 and 1). All values must be positive numbers.

5. Frequently Asked Questions (FAQ)

Q1: What is power factor?
A: Power factor is the ratio of real power to apparent power, ranging from 0 to 1. It represents the phase difference between voltage and current.

Q2: What's the difference between line and phase voltage?
A: In 3-phase systems, line voltage is between two lines, while phase voltage is between a line and neutral. For star connections, line voltage = √3 × phase voltage.

Q3: What's a typical power factor value?
A: Industrial systems typically aim for 0.95 or higher. Motors might have 0.8-0.9 PF, while purely resistive loads have PF=1.

Q4: Does this work for unbalanced loads?
A: This calculator assumes balanced 3-phase conditions. Unbalanced systems require more complex calculations.

Q5: How does frequency affect the calculation?
A: Frequency isn't directly part of this voltage calculation, but it affects generator design and synchronous speed.