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EX
3rd Semester
EX-303
Unit 4 Notes

EX-303 Electrical Measurements and Instruments Unit 4 Notes

Notes and important questions for unit 4: Instrument transformers.

Unit 4 · Short notes Instrument transformers Potential transformers (PT) and current transformers (CT) · Ratio and phase‑angle errors; testing procedures for instrument transformers · Differences between CT and PT; error reduction techniques

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