what is magnetizing and demagnetizing current in generator and motor?

3288

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Swg formulae

2042

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what are the basic question of fmcg company

2395

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why ten delta testing is carried out on power transformer

1833

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Answers for Complete This Song B_C_A_A _IL K_A KA_E, S__AN J__E B__D_ J__E

3235

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A PLC is programmed to drive three motors A, B and C as follows : After running motor A for an hour, motor B should get ON and motor A should get OFF. And after running motor B for an hour, motor C should get ON and motor B should get OFF. And after running motor C for an hour, motor A should get ON and motor C should get OFF. (That is, a cyclic repetition with time period one hour) Now, the second condition is: If any motor gone faulty and is tripped, the consecutive motor should get ON and the faulty (tripped) motor should be eliminated from cyclic repetition. The remaining two motors should bear the cyclic repetition of one hour each. (For healthy motor take logic as high and for tripped motor take logic as low) Now, the third condition is: When motor A load(Amps) exceeds 60% of its rated load, motor B should get ON in parallel to motor A. And when both motors A & B are running in parallel, and if their load exceeds 60% of their rated load, motor C should also start in parallel to A & B. [Here the cyclic repetition is eliminated, until their loads become normal(40%)] [Take logic high(1) for load at 60% and logic low(0) for load at 40%] Now draw a flow chart or a ladder diagram to fulfill the above condition.

2188

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hi guys we r working in office...we write some scripts..suddenly we have a work(5min only) in out side..what will do now,,,used to system shut down or log off or lock or sleep mode,switch use or hibernate?

2040

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What is aggregate Liabilities ?

2362

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What are the criteria for accounting job?

1934

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what is the safe meggar values for motor, transformer HT, LT and Cables? IF we want to replace I/C bay at our 220 kv substation which is of 140 mw load capacity bay to be replaced by 400 mw capacity bay.other than CT(1200/1) what are the other equipment i have to replace. why we generally use 3.5 core cable or in other word 1/2 core for neutral and also confirm me that in balance conditiob(3 phase)current in neutral will zero

2292

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how to geting finished goods cost with included it's all BOM and all production order cost in sap?

1861

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what is the meaning of SST300 V56A in SIEMENS turbine

4378

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IN THE REPORT I WANNA APPLY HYPERLINK FOR A CELL IN THE COLUMN/ROW HOW TO ACHIEVE THIS? EG: YEAR COLUMN : 2001,2002,2003,2004 I WANNA APPLY FOR 2001 ONLY

10424

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any earth foult trip the relay but in welding time not trip by earth foult

3195

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Explain Circuit Breaker Trip Characteristics in detail.

2149

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