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Questions and Answers
What is the purpose of a pressure relief valve in a transformer?
What is the purpose of a pressure relief valve in a transformer?
- To convert AC voltage and current into DC
- To convert DC voltage and current into AC
- To protect the transformer from internal fault (correct)
- To isolate the transformer from external sources
What is the main function of a Bucholz relay?
What is the main function of a Bucholz relay?
- To convert AC voltage and current into DC
- To convert DC voltage and current into AC
- To protect the transformer from internal fault (correct)
- To isolate the transformer from external sources
What is the purpose of an isolation transformer?
What is the purpose of an isolation transformer?
- To convert AC voltage and current into DC
- To convert DC voltage and current into AC
- To protect the transformer from internal fault
- To isolate the transformer from external sources (correct)
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Study Notes
- Transformers convert AC voltage and current into DC, and vice versa.
- Transformers have no rotating parts, so they never run on DC supply.
- Transformers convert only voltage and current, and frequency remains constant for all load.
- A pressure relief valve protects the transformer from internal fault.
- A Bucholz relay protects the transformer from internal fault.
- An isolation transformer is used for isolation purposes only.
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