1. Why a DC motor starter is called 3 point starter
Answer Posted / madhu kavlekar
because of armiture wdg has less resistance if total
voltage is given directly to a arm. wdg.the arm. may
damage, so the three point startor is used to reduce the
damage,by decreasing the resistance and increasing the
voltage slowly.
| Is This Answer Correct ? | 5 Yes | 4 No |
Post New Answer View All Answers
how we control automatic generator i'e with to supply (main supply and local generator) when the main supply was break to supply the local supply automatically to begin supplying power.I now this control circuit is the combination of contactor time delay contactor switch and overload relay .but my question is how we combine those component thank you
Write down the brushes of a de machine.
why high speed tripping relay will be used in tripping circuit why not normal relay
if we apply 1000ADC instead of 100ADC or We apply 50ADC instead of 100ADC,What will be happened in the test result value.Pl explain
Salient pole alternator is more stable, why?
at which voltage level arcing ground is occurs ??????????
hi every body i am master student in control engineering and my project is slip control in trains i assumed a Dc motore as traction motor but i don't have characteristics of this kind of motor that is used in train. i want from every body if he or she has the characteristics or information about Dc motor that is used in train give me those information or technical characteristics .
What is the most important precaution in any experiment with d.c. Shunt motor?
what is the difference between rectifier and converter and commudator?
What are PLC leader logic program method
What is the difference between electrical earthing and electrical grounding?
What are diffrent type of road taxes?
What are the factors influence the choice of an electrc drive?
how we can decide that what value of ht line will come to any commercial building? (ans except According to the building load)
IF alternator SCR value will be high means what happen in alternator efficency at operating power factor of 0.8