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Previous years GATE problems based on Energy Meter (Part 2)
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In this lecture I've discussed previous year GATE problems based on Energy Meter.

Pawan Chandani is teaching live on Unacademy Plus

Pawan Chandani
Faculty of GATE/ESE (Electrical Engineering) , Also a YouTuber and teaches Electrical Eng. subjects on YouTube | Jony Ive Award Winner

U
Unacademy user
thank you sir it will be very - very helpful for all of us thank you sir and thanks to unacademy for this type of great help
Shah Abdul Basit
3 months ago
:)
sir in question no 6 you said, we will find the creeping error by subtrating creeping speed from normal speed and dividing by normal speed, but you have not subtracted and directly divided by normal speed. please clarify this?
  1. Previous Year GATE problems based on Energy Meter By- Pawan Chandani


  2. Q 5. A DC ampere-hour meter is rated 15A, 250V. The meter constant is 14.4 A-sec/rev. The meter constant at rated voltage may be expressed as


  3. Q 5. A DC ampere-hour meter is rated 15A, 250V. The meter constant is 14.4 A-sec/rev. The meter constant at rated voltage may be expressed as K. _ .yx 1448 250-3.6 kW-sec/rev 3.6 3600 IooKwr


  4. Q 6. The disc of a house service energy meter of 230V, 1-0, 50Hz, 5A, 2400 rev/kWh creeps at 1 rev/min. The creep error ( in percentage) of full load unity pf is


  5. Q 6. The disc of a house service energy meter of 230V, 1-0, 50Hz, 5A, 2400 rev/kWh creeps at 1 rev/min. The creep error ( in percentage) of full load unity pf is 1000 N = 2400 x1.15 revjhr N (creeped) = 1 reu/min - 60 rev/ Creepin. Error %Ex 60 - -X100- + 2.17% s4v . 2400 XI.15


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