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.


























































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                                    CITS : Power - Electrician & Wireman - Exercise 40
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