Page 111 - CITS - Electrician - Trade Practical
P. 111

ELECTRICIAN - CITS




           13 Switch OFF the main supply & unplug the equipment from supply socket.
           14 Discharge the HTV terminals and take out the oil testing bowl from BDV test equipment.
                                                     Tabular column:

            Oil sample          No. of sample test  BDV test           Average of          Final BDV
            Grade                                  Value (KV)          Test values         Value (KV)

            1                   1                  --KV                1+2+3+4             --KV
                                                                       4
                                2                  --KV
                                3                  --KV

                                4                  --KV
            2                   1                  --KV                1+2+3+4             --KV
                                                                       4
                                2                  --KV
                                3                  --KV

                                4                  --KV






















           Safety precautions:
           1  Do not touch the HTV terminals of BDV test equipment.
           2  Do not spill the oil on HTV terminals of BDV test equipment.
           3  Discharge the HTV terminals before performing BDV test
           4  Use hand glows while performing BDV test.

























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                                    CITS : Power - Electrician & Wireman - Exercise 46
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