Answer Posted / saquib
in dc machines the losses are core loss,cu loss,stray loss,
mechanical loss, brush loss.... in which mechanical loss is
maximum.
| Is This Answer Correct ? | 1 Yes | 2 No |
Post New Answer View All Answers
explain all the classes with example
How to calculate the fuse rating depend upon the DC circuit?
hi frnds can any one help me ? plz send me placement paper of IOCL of Electrical streem .... plz send ....its urgent....
following are the questions asked in interviews: 1) Considering the short circuit fault, which switchgear is preferable, SFU OR MCCB? Which operates faster? whicg one is popular in Indian Market and why? 2)Define SCPD. What is type2 coodination? 3)Why the contactor rating is higher for the fuseless selection than for fuse selection? whether the ratinf of SFU or MCCB remains the same in both the cases? 4)If the HP rating is known then can you calculate the ratings of L.V Switchgear(SFU/MCCB, contactor, OLR) without using the selection chart?
v/f drive basic princeple
What is Plank's Law?
Explain M Var? Which types of problem occurs when reactive power increase at the time of full load of plant and at the time of synchronize of plant?
how to increase or decrease speed in DC shunt motor by DC convertor
What is the actual meaning of thermal power efficiency ?
we need a ntpc previous papers
Dear all i am kumaravel. now in chennai. my work is control and relay panel auto cad designing.up to 11kv to 400kv then question is i am improving my knowledge. i want some books name and auther are available for this C&R panel related. plese any one help me
The series field winding has low resistance while the shunt field winding has high resistance. Why?
How one can check the MAIN of a house wiring ?
for 4 MVA , 33K.V/6.6K.V transformer. secondary side the connected load is 3000H.P. What is the rating of capacitor bank to be insttaled.
What is self exciting?