Q17. i. A high voltage and high current measurement system installed at Sur substation of 33kV, 1000A, has instrument transformers connected with voltmeter and ammeter in secondary windings. The voltmeter used is of range (0-600V) and ammeter is of range (0-15A). Then, calculate the total line Voltage and total current in the substation when voltmeter reads 150 V and ammeter reads 7.2 A. ii. Analyze the role of the following in Digital Voltmeter when measuring a voltage of 3V with a neat sketch. a. Clock/pulse generator. b. Analog to Digital Converter.

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Q17. i. A high voltage and high current measurement system installed at Sur substation
of 33kV, 1000A, has instrument transformers connected with voltmeter and
ammeter in secondary windings. The voltmeter used is of range (0-600V) and
ammeter is of range (0-15A). Then, calculate the total line Voltage and total
current in the substation when voltmeter reads 150 V and ammeter reads 7.2 A.
ii. Analyze the role of the following in Digital Voltmeter when measuring a voltage
of 3V with a neat sketch.
a. Clock/pulse generator.
b. Analog to Digital Converter.
Transcribed Image Text:Q17. i. A high voltage and high current measurement system installed at Sur substation of 33kV, 1000A, has instrument transformers connected with voltmeter and ammeter in secondary windings. The voltmeter used is of range (0-600V) and ammeter is of range (0-15A). Then, calculate the total line Voltage and total current in the substation when voltmeter reads 150 V and ammeter reads 7.2 A. ii. Analyze the role of the following in Digital Voltmeter when measuring a voltage of 3V with a neat sketch. a. Clock/pulse generator. b. Analog to Digital Converter.
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