calculating slowness and fastness of energy meterenergy meter calculationfinding slowness and fastness of energy meter - Wikitechy https://www.wikitechy.com/interview-questions/tag/calculating-slowness-and-fastness-of-energy-meterenergy-meter-calculationfinding-slowness-and-fastness-of-energy-meter/ Interview Questions Wed, 08 Sep 2021 04:57:05 +0000 en-US hourly 1 https://wordpress.org/?v=6.9 https://www.wikitechy.com/interview-questions/wp-content/uploads/2025/10/cropped-wikitechy-icon-32x32.png calculating slowness and fastness of energy meterenergy meter calculationfinding slowness and fastness of energy meter - Wikitechy https://www.wikitechy.com/interview-questions/tag/calculating-slowness-and-fastness-of-energy-meterenergy-meter-calculationfinding-slowness-and-fastness-of-energy-meter/ 32 32 How to calculate the slowness and fastness of energy meter if we have different kw load for example (0.746 kw and meter rev constant 400 and we calculate the 2 rev in 30 sec) and explain the formula ? https://www.wikitechy.com/interview-questions/electrical-engineering/how-to-calculate-the-slowness-and-fastness-of-energy-meter-if-we-have-different-kw-load-for-example-0-746-kw-and-meter-rev-constant-400-and-we-calculate-the-2-rev-in-30-sec-and-explain-the-formula/ https://www.wikitechy.com/interview-questions/electrical-engineering/how-to-calculate-the-slowness-and-fastness-of-energy-meter-if-we-have-different-kw-load-for-example-0-746-kw-and-meter-rev-constant-400-and-we-calculate-the-2-rev-in-30-sec-and-explain-the-formula/#respond Thu, 05 Aug 2021 04:31:35 +0000 https://www.wikitechy.com/interview-questions/?p=1412

How to calculate the slowness and fastness of energy meter if we have different kw load for example (0.746 kw and meter rev constant 400 and we calculate the 2 rev in 30 sec) and explain the formula ?

    • Meter rev constant means rev/ kwh.
    • Then one rotation = 60×60/400 or 9kws.
    • 2 rotations = 18kws.
    • Time taken is 30s.
    • Then the av load is 18/ 30 or 0.6 kw.
    • To calculate whether this Energy Meter is slow or fast using this formula.
    Slowness/Fastness=Tc−To/To X 100
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