A power transmission line of 33kV (maximum) carries a maximum current of 1200A is connecting the two areas. A PMMC voltmeter of (0-600V) range and a PMMC ammeter of (0-25A) range are to be used for measurement of voltage and currents of the transmission line. 1.Design and draw a circuit with suitable instrument transformers for the measurement. Use sample values for winding turns. 2.On a particular day, the readings shown by the meters were 17.5A and 440V. Calculate the actual voltage and current in the transmission line.

A power transmission line of 33kV (maximum) carries a maximum current of 1200A is connecting the two areas. A PMMC voltmeter of (0-600V) range and a PMMC ammeter of (0-25A) range are to be used for measurement of voltage and currents of the transmission line. 1.Design and draw a circuit with suitable instrument transformers for the measurement. Use sample values for winding turns. 2.On a particular day, the readings shown by the meters were 17.5A and 440V. Calculate the actual voltage and current in the transmission line.

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter7: Symmetrical Faults

Section: Chapter Questions

Problem 7.21MCQ

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A power transmission line of 11kV (maximum) carries a maximum current of 200A is connecting the two areas. A PMMC voltmeter of (0-300V) range and a PMMC ammeter of (0-10A) range are to be used for measurement of voltage and currents of the transmission line. 1.Design and draw a circuit with suitable instrument transformers for the measurement. Use sample values for winding turns. 2.On a particular day, the readings shown by the meters were 7.5A and 240V. Calculate the actual voltage and current in the transmission line.
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