Answer / uditparashar

star delta starter : it is a set of electrical equipments used to control the current during the starting of induction motor as the starter operates the motor in star configuration in starting and then in delta configuration.

soft starter : it is a set of electronic components which control the nominal voltage of induction motor in order to control high current and torque during starting resulting in prevention of voltage dips and mechanical stress over the machinery .

why neutral busbar size is half of the phase busbar size in control panels

1 Answers   IBS,

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Electrical breakdown strength of an insulating material depends on............?why because?

2 Answers  

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1)What are the proccedure of initial charge of 100AH lead Acid battery bank 2)whether discharge test is reqd ? if it is rqd why, how 3)what are the discharge critieria (volt/cell or sp.gravity/cell

1 Answers  

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Why we use Carbon & graphite mixxed brushes in the DC motor?

6 Answers  

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what are the stresses in circuit breakers ?

0 Answers  

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How much ampere can withstand for 2sq mm c able?

2 Answers  

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what's the difference between 'shaft power demand' and 'BHP' , when we consider electrical load list.

0 Answers   HEC,

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In Transmission System if the potential difference at the two end of line are same then is the transmission of power will continue ? if yes then how.

1 Answers   IOCL,

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What is the unit of charge and current?

0 Answers  

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What is the Diff. btw Manule Pull Station & Manule Abort Station Switches used in FM200 System??

0 Answers   Emerson,

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Dear Respected sir how to test ABB REX521 protection relay by relay tester.

0 Answers  

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What do you understand by oldham's coupling ?

0 Answers   Godrej,

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