Answer / raghunath patil

it is a protecting device which can used for motor
protection to reduce the starting current or trip the motor
when it takes the exceed current than its rating.

Answer / manoj kumar rlaeddy. muthya

starter is an electrical device, which protects the motor from high starting currents. if there is any high currents occurs it will trip the motor and protects the motor from damage.

what is the diff between mcb and vcb

3 Answers  

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If u have Powergrid model question papers Please send to below mail ID rajutheprince@gmail.com

0 Answers  

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generally in LT and MV motors we are using 3.5Coresx16,25,35,50 etc cable for supply.although motors is earthed at two point and having all protection.then why we are using that 1/2 core for earthing the motors.while in HT cable we are using only 3core cable for motor supply.generally lt and mv motors are delta connected and ht motors having star connection.whethere it is having any relation with winding connection( star or delta).all motors i am talking about are dol only.can anybody solve my confusion.thanks...

0 Answers  

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If DG runing time Neutral earth connection Dissconect what will be the effect in load and equipments.

3 Answers   GE, HP, Reliance,

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In ac circuit R,L,C are connected in series what is the output the circuit? explain

4 Answers  

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what is the formula for efficiency of francis turbine and generator for hydropower? what is best way to select francis turbine and generator?

0 Answers   HAL,

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why use celling fan wing is two or three ?

2 Answers  

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if the back emf eqution for dc motor EB=(QPNZ/60A) THEN what is the value of A for PMDC MOTOR OR how can dicide the value of "A"

2 Answers   BSL,

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Distinguish between Earth & Neutral?

5 Answers   Essar,

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1)Why potential transformer primary site grounded? 2)can be loop between neutral & body for grounding? 3)What is the difference between ELCB &RCCB? 4)Why we use iron core in transformer insted of wooden core? 5)what is the principle of excitation? 6)Why we test the core balance test for transformer? 7)what is creepage?What is the creepage length for insulators at different voltages? 8)How much type of relays used for differential protection of generator,transformer & busbar protection?

5 Answers  

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what is slip rings in an induction motor&what is it's work.

4 Answers  

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Is it possible to protect 3phase overload and earth fault of the 3phase system using two CT's.

0 Answers  

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