Page 98 - CITS - Electrician - Trade Practical
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ELECTRICIAN - CITS
Electrical Energy = Power X Time OR E = V x I x t
Electrical Energy = Kilo Watt Hour (KWH)
1 KWH = 1 Unit
Tabular column:
No. of disc
Voltage Current Time (t) Meter Revolution True energy Recorded
(V) (I) in sec Constant (K) TE = V x I x t energy RE=N/K
(N)
Energy
meter 1 230 1500 50
Energy
meter 2 230 3200 100
Safety precautions:
1 Handle the energy meter carefully.
2 Do not make wrong and loose connections
3 Do not exceed the load current of energy meter.
81
CITS : Power - Electrician & Wireman - Exercise 40
