Answer / nitish

By using star-delta connection

Answer / karthik raman.b

BY using starters

why we use star and delta connection?why we donot give the supply directly?

12 Answers   Hitech, Siemens, Tata Steel Limited,

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How we calculate the average power factor if the one phase is lag and another one is in lead?

1 Answers   DigiTech, MCR,

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What is the function of pulse transformer?

4 Answers   Electrotherm,

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What is the meaning of C1, C61, C91 cable

0 Answers  

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Why carbon brushes are used in motors?

6 Answers   BARC,

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as we know that N=120f/P speed of an im can be controled only through changing no if poles, can we control by changing the frequncy????

7 Answers   JSW,

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how to test an MCB

2 Answers  

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how tto ingress mw in turbine explain.procedure ?

0 Answers   Power Grid,

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how can findout cable fault Location only useing MEGGER

3 Answers  

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what is V.L.F. testing of power cable? do you know the voltage ratings, like for what rating and size of cable what rating of V.L.F. testing is used?

0 Answers   Reliance,

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Briefly describe means used by electricity suppliers to influence the flow of active and reactive power in power networks (one for each type)?

0 Answers  

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- two pumps must work with them at the same time but if the first pump start the second pump  must delayed for some time to start  also , with motor rated power = 90 KW and rated voltage = 380 V and rated power factor = 0.85 lag please draw the power and control circuit for it and determine all circuit components parameters that you use it

0 Answers  

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