Question:
Feeding the distributor at more than one point
Feeding the distributor at more than one point
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Feeding a distributor from multiple points reduces the distance current travels to reach loads. Shorter effective paths mean lower currents in sections, which reduces both voltage drops and power losses (\(I^2R\)).
Updated On: Jun 25, 2026
- reduces the power loss in the distributor
- reduces the efficiency of the distributor
- increases the power loss in the distributor
- increases the total voltage drop in the distributor
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The Correct Option is A
Solution and Explanation
Concept:
In electrical power distribution systems, a distributor can be fed either from one single termination end (singly-fed) or from multiple geographical nodes (two-ended or multi-point feeding). Multi-point feeding spreads the current distribution path, which means the electrical current does not have to travel through the entire physical length of the conductor from one single node.
Step 1: Analyze the effect on current distribution. When a distributor is fed from multiple points, the load currents are shared among the feeding points. This significantly reduces the peak line current carrying requirements flowing through the initial conductor cross-sections.
Step 2: Relate current minimization to line power losses and voltage drops. The power loss in a line conductor section with resistance \(R\) is directly proportional to the square of the current (\(I^2 R\)). Because multi-end feeding lowers the average and peak line currents across the conductor segments:
• The total \(I^2 R\) losses decrease substantially.
• The total inductive/resistive voltage drops (\(I \cdot R\)) drop across consumer delivery terminals, leading to a more uniform voltage profile. Consequently, reducing the line losses naturally increases overall system efficiency. This rules out option (B), (C), and (D), confirming option (A).
Step 1: Analyze the effect on current distribution. When a distributor is fed from multiple points, the load currents are shared among the feeding points. This significantly reduces the peak line current carrying requirements flowing through the initial conductor cross-sections.
Step 2: Relate current minimization to line power losses and voltage drops. The power loss in a line conductor section with resistance \(R\) is directly proportional to the square of the current (\(I^2 R\)). Because multi-end feeding lowers the average and peak line currents across the conductor segments:
• The total \(I^2 R\) losses decrease substantially.
• The total inductive/resistive voltage drops (\(I \cdot R\)) drop across consumer delivery terminals, leading to a more uniform voltage profile. Consequently, reducing the line losses naturally increases overall system efficiency. This rules out option (B), (C), and (D), confirming option (A).
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