Answer / meenakshi

the main use of brush is to collect the current from
commutator

Answer / mitul vekaria

brush lubricate and polish the commutator
it also collect the current
alrge cross section area of burh helps to reduce
relctance

Answer / jagadeesh k

in motor the brush is used to get unidirectional torque
in generator the brush is used to get unidirectional current

Answer / prasanth ram

to reduce the sparks that is to be produced during
commutating conditions

Answer / karthick

in order to inject emf for slow down to rated speed

Answer / veeranna gowda

brush is in stator side

1 Kva = How many HP

9 Answers  

in ring main system we use the isolater b/w transfer bus and main bus if we r not use isolatar than wat will be the effect in our sys.

0 Answers  

Why indicated only R.Y.B to phase.

6 Answers   Bhel,

how to set earth fault relay

1 Answers  

what will happen if we will not use commutater means if we will give dc to the windings in dc motor

1 Answers  

Why line VTG = √3 phase VTG in star? How?

0 Answers   Endurance International Group, Infosys,

What is required of exietation to the alternater.

4 Answers  

Elaborate the term "rotating magnetic field"

2 Answers   APTransco,

Why a dc generator gives result during two different condition,- 1)separately exited gen.- Eg=110 V, field current=0.25 A. 2) self exited gen.- Eg=30 V, field current=0.025 A.

1 Answers  

WHAT IS THE USE OF TERTIARY WINDING IN A STAR/DELTA TRANSFORMER ?

3 Answers  

Why neutral point is consider as zero potential?

0 Answers   Equate,

how many electricity poles are there and what are the names and their sizes.

0 Answers