1. Why a DC motor starter is called 3 point starter

Answer Posted / ravi693

Beacuse this 3 point starter has three points to save the
motor.
1) over load protection
2) no volt protection
3) starting huge currect protection

Is This Answer Correct ?    242 Yes 113 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

full form of flry b

3607


plz explain the auot-reclosing circuit in electrical engineeing

1911


Compare jfet’s and mosfet’s.

712


what is the AC Plant and how can do the work with parts and picture tell us 150 Tr

1544


FOR 16/20 MVA 132/33 KV ONAN/ONAF TYPE TRANSFORMER IT IS DESIGNED FOR 16 MVA WITH ONAN CONDITION.IT BECOMES 20 MVA UNDER ONAF CONDITION.LOAD LOSS IS GUARANTEED FOR 65KW AT 20 MVA AND % IMPEDANCE 13.75. PLEASE TELL US AT WHAT LOAD LOSS AND % IMPEDANCE IT SHOULD BE DESIGNED FOR 16 MVA AND WHAT WILL BE ITS EFFICIENCY AT 20 MVA?

2945






Why compensation is necessary in feedback control system?

771


WHAT IS IM (INDEX OF MOUNTING )IN MOTORS

1560


why ss stablity limit is more transient stablity limit?

1655


we have an energy meter in a capacitor bank panel, So should we consider it's readings as energy consumption on daily basis. (when capacitor bank doesn't have any energy losses)

1914


What is meant by a stray loss of a induction motor??? What is the equation to find it

2583


What are the necessary solutions needed to be carried out on a malfunctioned earthing mechanism of a VACUUM CIRCUIT BREAKER.(TAMCO)

1532


how many electricity poles are there and what are the names and their sizes.

1429


what is differentila pilot supervision in the incomer control panel in the power station?

1625


Where voltage are high and current to be interrupted is low the breaker preferred is:

1775


would the same effect be achieved by reversing the connection to one winding of the induction motor 3-phase?

1331