Home Back

Volume of Conductor Material using Load Current(1 Phase 3 Wire US) Calculator

Volume of Conductor Material Formula:

\[ V = \frac{5 \times \rho \times L^2 \times I^2}{P_{loss}} \]

Ω·m
m
A
W

Unit Converter ▲

Unit Converter ▼

From: To:

1. What is Volume of Conductor Material?

The Volume of Conductor Material represents the 3-dimensional space enclosed by a conductor material in an electrical system. It's an important parameter in electrical engineering for determining the amount of conductive material needed for a given electrical installation.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ V = \frac{5 \times \rho \times L^2 \times I^2}{P_{loss}} \]

Where:

Explanation: This formula calculates the required volume of conductor material based on the electrical properties and system parameters for a 1-phase 3-wire underground AC system.

3. Importance of Volume Calculation

Details: Calculating the volume of conductor material is crucial for proper system design, cost estimation, and ensuring efficient power transmission with minimal losses in underground AC systems.

4. Using the Calculator

Tips: Enter resistivity in Ω·m, length in meters, current in amperes, and line losses in watts. All values must be positive numbers greater than zero.

5. Frequently Asked Questions (FAQ)

Q1: What is resistivity and why is it important?
A: Resistivity is a material property that measures how strongly a material opposes the flow of electric current. Different conductor materials have different resistivity values.

Q2: How does wire length affect the volume calculation?
A: The volume calculation is proportional to the square of the wire length, meaning longer wires require significantly more conductor material.

Q3: What are typical resistivity values for common conductors?
A: Copper has resistivity of about 1.68×10⁻⁸ Ω·m, while aluminum has about 2.82×10⁻⁸ Ω·m at 20°C.

Q4: Why is the current squared in the formula?
A: The current is squared because power losses (I²R) are proportional to the square of the current, which affects the required conductor volume.

Q5: Can this calculator be used for overhead lines?
A: This specific formula is designed for 1-phase 3-wire underground AC systems. Overhead systems may require different calculations.

Volume of Conductor Material using Load Current(1 Phase 3 Wire US) Calculator© - All Rights Reserved 2025