1. What is Power Transmitted Per Phase?

Power Transmitted Per Phase in a DC 3-Wire system represents the power delivered through each individual phase conductor. In balanced DC 3-wire systems, the total power is equally distributed among the phases.

2. How Does the Calculator Work?

The calculator uses the formula:

Where:

• \( P_t \) — Power Transmitted per Phase (Watt)
• \( P \) — Total Power Transmitted (Watt)

Explanation: In a balanced DC 3-wire system, the total power is divided equally between the two outer conductors, with each carrying half of the total power.

3. Importance of Power Calculation

Details: Accurate power per phase calculation is essential for proper conductor sizing, voltage drop calculations, and ensuring efficient power distribution in DC 3-wire systems.

4. Using the Calculator

Tips: Enter the total power transmitted in watts. The value must be positive and greater than zero for accurate calculation.

5. Frequently Asked Questions (FAQ)

Q1: Why is power divided by 2 in DC 3-wire systems?
A: In balanced DC 3-wire systems, the total power is equally shared between the two outer conductors, making each carry half of the total power.

Q2: What is a DC 3-wire system?
A: A DC 3-wire system consists of two outer conductors and a neutral wire, typically used to provide both high and low voltage DC supplies from the same system.

Q3: When is this calculation applicable?
A: This calculation applies to balanced DC 3-wire systems where the load is equally distributed between the two outer conductors.

Q4: Are there limitations to this formula?
A: This formula assumes a perfectly balanced system. In unbalanced conditions, power distribution may vary between phases.

Q5: How does this differ from AC 3-phase systems?
A: DC 3-wire systems distribute power differently than AC 3-phase systems, with different calculation methods for power per phase.