Interested to Buy Any Domain ? << Click Here >> for more details...
1. Why a DC motor starter is called 3 point starter
- 21 Answers
- 80950 Views
- ABB, CG, College School Exams Tests, Crompton Greaves, Infosys, Siva, I also Faced
- E-Mail Answers
Answer Posted / richa
3 Point Starter is a device whose main function is starting and maintaining the speed of the DC shunt motor. it is called three point starteras it has three terminals.
L is the Line terminal, connected to positive supply.
A is the armature terminal and connected to the armature windings.
F is the field terminal and connected to the field terminal windings.
for more information on 3 point starter see here http://circuitglobe.com/3-point-starter.html
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
Why is the frequency not changed during transformation of electrical energy in a transformer?
What does a Bode plot tell you?
In a flange coupling, the flange bolts are designed for
What are the advantages & disadvantages of a group electrive drive?
apti mainly on logical reasoning, verbal and non-verbal ability (70 percent) and remaining technical. I was in ee but technical had mech ques like on turbines and welding.
PLZ EXPLIN ABOUT CLASS PS CLASS CT .WHY THEY R DESINED AND FOR WHAT PURPOSE?WHY OTHER CT CANT BE USED AS PS CLASS CT? EXPLAIN IN SIMPLE LAUNGAGE IF POSSIBLE PLZ GIVE CIRCIT DIAGRAM?EMAIL-RAJ_SINGH_0376@SIFY.COM
why 5kW motor becomes unbalance if its relay trip 1st time and its set value is 7.0 A
A d.c. Shunt motor is found suitable to drive fans because they require?
Briefly define and explain the following different types of Pulse Amplitude Modulation (PAM) with some examples. i) 2-PAM ii) 4-PAM iii) 8-PAM iv) 16-PAM v) Quadrature Amplitude Modulation (QAM)
write encoder 17 pins details? pin a;b+, pin b;w+,..pin s & t. what is the meaning of b+, w+? explain;
Give details of your interested designation, the post you are interested to serve the company better and explain why you think you can serve the company better in such position if employed?
As we use capacitor bank in 3ph ckt to improve PF, can we use capacitor in single ph domestric use, in house we have Fan,Mixer,electric cooker,iron,tube choke they also lag the system,because it is inductive load. if it is possible to improve PF of single ph system-- if yes- type of capacitor to be used,connection diagram, working in detail. if no-- list it.
what will be happen if earth point is being used for as a neutral point for raw power , and same will be used for ups earthing
HOW TO WRITE A QUENTION ANSWER? I MEAN SHORT OR LENGHTHY ? OR FROM THE BOOK AS BOOK..... SOME TIME WE GIVE A ANS FROM THE BOOK AS LIKE BOOK ND WE GET MINIMUM 60% MARKS OR MORE THEN....... THEN HOW TO FILL THE Q-PAPER?
distribution transformer de-rating formula on over limit iron losses
