What is the d/f between DOL & star delta starter & automatic
star delta starter?

Answer Posted / bheem reddy bhanu teja reddy

the voltages are reduced in dol and we can use it a proper
manner the lines are connected directly to the motor but in
star delta the voltage is step downed

Is This Answer Correct ?    2 Yes 1 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

how to calculate the earth mat design in 132 kv substation yard ????

5733


how to select the isolation tranformer for siemens 802dsl cnotroller

1616


What happen Grid EARTH plat got cut.

1751


how we can calculate the efficiency of a diesel generator ?

1173


I don't understand why when we connect high voltage source in DC to electronic motor , we must add capacitor and resistor in parallel ? (I know that we use capacitor because we want to absorb the current that in the first second electronic motor in opposed with current course produce. ) what are the feature of Resistor and in such situation ?

1380






Why are short circuit ratings always 16kA,25kA,36kA and 50kA.Who has fixed these?

3828


defination of transistor controlled series capacitor

2209


As we know diode work on both negative and positive but converting ac into DC we have to given a/c from negative of diode or positive side.please give me answer.

1178


Is it possible to measure correct value of earth resistance & cable insulation ristance with out disconncting earth lead & both sides of cable ends? If not, any other method to measure ER & CIR with out disconneting from the system.

1664


how the aircraft outer body and inner body is separated ?

636


If we impress a dc voltage of 230 V on an unloaded 230 V, 50 Hz transformer it wi A give high secondary voltage B burn out C give secondary voltage as per K D none of these

1587


HOW TO CALCULATE AMPs OF CURRENT TRANSFORMER IN HT Panel

1810


1))why we run three phase or three different circuit from a single conduit 2)) why not two circuit of different phase run in same conduit?? and why we run same three cicuit of same phae run in single conduit??

1931


What are the main advantages of bode plot?

708


what is consequences of neutral and earth connect?

1671