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Power Transmitted Formula:
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Power Transmitted in a 3-Phase 3-Wire Overhead System refers to the total electrical power delivered through all three phases of the system. It is calculated based on the power transmitted per individual phase.
The calculator uses the formula:
Where:
Explanation: This formula calculates the total power transmitted in a 3-phase system by taking one-third of the power transmitted per phase, accounting for the balanced distribution across all three phases.
Details: Accurate power calculation is essential for system design, efficiency analysis, load balancing, and ensuring proper operation of electrical distribution networks.
Tips: Enter the power transmitted per phase in watts. The value must be a positive number greater than zero.
Q1: Why is the factor 1/3 used in this calculation?
A: The factor 1/3 is used to calculate the total power transmitted based on the power per phase in a balanced 3-phase system.
Q2: What is the difference between power per phase and total power?
A: Power per phase refers to the power in a single phase, while total power is the sum of power across all three phases in the system.
Q3: Can this formula be used for unbalanced 3-phase systems?
A: This formula assumes a balanced 3-phase system. For unbalanced systems, more complex calculations are required.
Q4: What are typical units for power measurement?
A: Power is typically measured in watts (W), kilowatts (kW), or megawatts (MW) depending on the system scale.
Q5: How does this relate to overhead transmission systems?
A: This calculation is specifically designed for 3-phase 3-wire overhead systems commonly used in electrical power transmission.