IS there any mechanical connection between the field winding
and armature winding of a dc generator?
Answer Posted / manikandan.s. iti,ele..,drac.,
No mechanical
connections.but
electrical .magnetic
connection .but
bearing mechanical
devai connected in
armature
Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
in the directional overcurrent and earthfault protection,normally we are setting the angle 45 deg lead for phase fault overcurrent and -45 deg lead for earthfault fro forward direction.but both the fault are operating on the same angle region only.why?how the relay will response?
I want definition for ABT Meter (Availability Based tariff) ?
I have one ct of ratio 3000-2000/1 Amp its knee point voltage mentioned on name plate is 500-333/30mA-50mA at Vk/2. in secondary box there is three terminal named 1S1, 1S2, 1S3 then on which terminal obtained the knee point voltage ie 1S1-1S2 OR 1S1-1S3 & also specify the knee point voltage for the ratio 3000 from name plate.
why chock were used in old tubelights but are not newest tubelights?
How should i design a 1ph & 3 ph transformer. Kindly let meknow all steps and formulaes related to design from scratch.
why any centrifugal blower draw more current in starting. consider id fan and fd fan?
what would happen if reactive power (kvar)is increased (more)or decreased (less)? how much exact reactive power should be maintained? and what should be done for that
whats the existence of reactive power and when it arises?
What is the height of DA, DAL, DB, DC & DDE tower?
what is the need of starter in tube light and what type of starter is used in that?
What is the use of lag compensator?
distribution transformer de-rating formula on over limit iron losses
could an induction motor be used for regenerative braking in electric-train control? in this type of application would some scheme have to be devised to obtain low synchronous speeds while braking? would induction-motor drive, therefore, be suitable for passenger service?
for a 400kv t/m line with 10 ampere current will corona occur?
Readings of ER300P Trivector meter