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How will you calculate the correct KWH value if your CT is 600/5 and your KWH meter is rated for 100/5
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Answer Posted / k.prakashchandra
If the load is 100 A ,the meter records correctly if the CT ratio is 100/5 as the meter gets 5A current . If the CT ratio is 600/5 the current in the meter will be 5/6 A for the same load current . Hence to get the correct reading ,multiply by 6.
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