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Single-Direction Power Flow

Which of the following is a characteristic of a radial distribution system?
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Answer & Explanation
Correct AnswerA. Feeders originate from a single substation and supply power in one direction.

Quick Explanation

In a radial system each feeder has a single source and power flows outward toward the loads in one direction. It is simple and economical but offers less supply continuity than ring or interconnected systems.

Single-Direction Power Flow explanatory diagram

Detailed Explanation

Correct Answer

A — Feeders originate from a single substation and supply power in one direction.

Explanation

In a radial system each feeder has a single source and power flows outward toward the loads in one direction. It is simple and economical but offers less supply continuity than ring or interconnected systems.

Key Concept

Single-Direction Power Flow

Exam Point

Radial = one source, one path.

Quick Trick

Radial = one source, one path.

Exam Tip

Radial = one source, one path.

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