Which of the following is NOT a part of a digital energy meter? 

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PGCIL DT Electrical 12 March 2022 (NR II) Official Paper
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  1. A metering circuit
  2. processing and communication circuit 
  3. A digital-to-analog converter 
  4. A real-time clock

Answer (Detailed Solution Below)

Option 3 : A digital-to-analog converter 
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Detailed Solution

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The correct answer is option 3):(A digital-to-analog converter )

Concept:

  • Digital energy meters also called advanced meters or smart meters, are intelligent devices that automatically record the user's consumption of electricity.
  • Digital interval meters can also record electricity consumption in 30-minute intervals
  • The block diagram of the digital meter is
  • F3 Vinanti Engineering 11.01.23 D1

  • It consists of A metering circuit,processing and communication circuit ,A real-time clock.Hence option 3 is wrong.
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