The speed of a dc motor can be controlled by the variation of
1. armature voltage. 2. field current. 3. armature circuit
resistance. 4. angle of brush shift.
Which of the statements given above are correct?
(a) 1,2 and 3 (b) 2,3 and 4
(c) 1,3 and 4 (d) 1,2 and 4
what is the use of tertiary winding?
working principle of generators?
what is pole slip ?
How can maintain our H.T. motors used in cement plant. please send me procedure.
how to calculate maximum current
0 Answers Almeer Technical Services,
1)Why V cross Arm is used in transmission lines? 2)Why H cross Arm are not used in single poles?
is there or does RCCB work for single phase connection?
Why it is possible to use PWM with a STATCOM and not with a conventional TCR based SVC
Which formation is better in transmission lines - horizontal or triangular and why ?
WHAT HAPPENING TO TRANSFORMER???? i have the step down transformer rating 230/12v, power rating something.,,, ok. suppose iam giving 12v to secondary side,what will happen on primary side.,,,
whats the reletion betweet flow,pressure,head,rpm and motor rating?
1.What is the proper definition of power system stability? 2.some times a blue spark is visible in the secondary side of a distribution transformer at the contact position of bushings and fuse wire,why?