Answer / anil

most induction motors are started in direct on line, but when large motors are started that way because of disturbance of voltage on supply lines due to high current . to control the starting current we the star delta connection using direct of line control circuit using connectors and timer to reduce the starting current

by using pump duty, how we will can calculate the motor duty(KW)? is there any standard or formula.

0 Answers   HP,

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what is the concept of directional power?

0 Answers  

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what is use of lockout relay in ht voltage

2 Answers  

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air condition capacity for masjad having 50feet in circal and 35 feet high

3 Answers  

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1) why a dg set shows variation of power factor and load when synchronised with other dgs? 2)Why the load sharing is not become equal in all dgs?. 3)When a dg set will not run on auto start?

0 Answers  

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how much current carry a 3-1/2 core of 100mm size cable.explain it with solution

2 Answers   ACS,

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why three phase three wire system probably did'nt have neutral

2 Answers   Marico,

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difference between isolator and circuit breaker?????

7 Answers   Enercon,

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What is meant by turbo alternators?

0 Answers  

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what current is taken from a double wound 500kva transformer

4 Answers  

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Explain the propagation of harmonics in the network and influence of phase angle of harmonics.

0 Answers  

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difference between ac series and parallel circuit

0 Answers  

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