Answer / k.prakashchandra

You mean water content test? Water is likely to enter the
oil through the breather or some leakage.Water content is
not to exceed 20 ppm for voltages below 72.5 KV,10 for
above 170,15 for 72.5 t0 170

what is the effect when the shunt field winding is opened in dc shunt motor (i) at the time of starting ? (ii) in running condition ?

4 Answers  

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DEAR SIR/MADAM,CLEARLY EXPLAIN ABOUT CRAWLING AND COGGING EFFECTS IN INDUCTION MOTOR.

0 Answers   Greenko Group,

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WHAT SHOULD BE THE BEST CURRENT RATINGS (PRIMARY / SECONDARY)FOR A CT INSTALLED AT THE INCOMING 11KV PANE? WILL IT BE CALCULATED ON THE BASES OF MAXIMUM DEMANT VALUE OR ON SUM OF ALL TRANSFORMER'S KVA? NOMALLY MAX DEMAND REPRESENT THE MAXIMUM OPERATING LOAD OF THE PLANT AND TOTAL KVA OF (SAY 5 NUMBERS TRANSFORMERS) REPRESENT THE CONNECTED LOAD. WHICH i.e. MAX DEMAND KVA OR CONNECTED KVA ARE BETTER TO USE FOR CT CURRENT CALCULATION? PLEASE ANSWER.

0 Answers  

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what is the difference between bus-coupler and bus-riser

2 Answers  

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What does the term supermesh means?

0 Answers  

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if 20 hp motor starts directly stars and contenious run . what will be the effect.

11 Answers   HP, Ohsung Electronics,

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HOW TO CALCULATE THE HEAT AND LOAD OF LT-SUBSTATION WHICH CONTAINS 2*1MVA TRANSFORMERS,LT SWITCH BOARD,MLDB,ACB,BUSBAR,ETC...?

0 Answers  

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Can you any explain about active,reactive and apparent power in power system with example.

1 Answers  

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As we know induction squirrel cage motor torque Directly praprortinal to applied voltage in star connection & delta also. If I connect 55KW Motor to DOL starter in load condition does motor withstand the load & what will be the current withdrawn ? motor will not fail ?

0 Answers  

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What is reactive power?

7 Answers   Suzlon,

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What is the meaning of C1, C61, C91 cable

0 Answers  

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in breather of transformer how sillicon gel absorb the moisture?wat happen when the moisture in that oil?

1 Answers  

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