Question
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Which of the following components of a single bus system is shown in the above figure?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept:
Isolator:
- An isolator is a manually operated mechanical switch that separates a part of the electrical power.
- This separates a part of the system from the rest for safe maintenance works.
- Isolators are used to open a circuit under no load (No current condition).
- Its main purpose is to isolate one portion of the circuit from the other and is not intended to be opened while the current is flowing in the line.
- Isolators are generally used on both ends of the breaker so that repair or replacement of circuit breaker can be done without any danger.
- It is denoted by a given symbol:
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