Short Notes: Instrument Transformer | Short Notes for Electrical Engineering - Electrical Engineering (EE) PDF Download

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FAQs on Short Notes: Instrument Transformer - Short Notes for Electrical Engineering - Electrical Engineering (EE)

1. What is the purpose of an instrument transformer in electrical engineering?
Ans. Instrument transformers are used in electrical engineering to step down high voltages and currents to measurable levels that can be safely used in instruments and control equipment.
2. What are the two main types of instrument transformers commonly used?
Ans. The two main types of instrument transformers are current transformers (CTs) and potential transformers (PTs).
3. How does a current transformer work in electrical systems?
Ans. A current transformer works by inducing a secondary current proportional to the primary current flowing through its primary winding, allowing for safe measurement and control of high currents.
4. What are some applications of potential transformers in electrical systems?
Ans. Potential transformers are commonly used for metering, protection, and control applications in electrical systems to step down high voltages to safer levels for instruments and relays.
5. How are instrument transformers tested and calibrated in electrical engineering?
Ans. Instrument transformers are tested and calibrated using standard test equipment such as ratio meters, CT/PT analyzers, and secondary injection test sets to ensure accurate performance and reliability in electrical systems.
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