Answer / saurav kafle

It is called static excitation when you make use of solid
state components like diode and thyristors to convert to
pure dc and to use this dc for field excitation of
synchronous generators. The field winding of synchronous
generators can be excited by dc source only. It is called
brushless excitation because use of carbon brushes are not
made here.It is called dynamic excitation is when you make
use of rotating brushes.

Excitation is necessary to produce reactive power and also
to regulate the voltage of synchronous generators.

Answer / mm

static excitation is stationary and contacts with rotor
winding through brushes , but dynamics rotates with the
rotor winding and it is with brushes or also brushless

Answer / ooomar

static excitation is stationary and contacts with rotor
winding through brushes , but dynamics rotates with the
rotor winding and no need for brushes

Answer / elec_maint

Both static and dynamic exciters, may use solid devices as
AC/DC converters. The key difference is that static type
feeding the field winding (F.W) via brushes, but in the
dynamic one the solid state converter is rotating with the
F.W, and the supply to the converter is induced from
external excitation stator windings.

Answer / waleed rashad

THE STATIC AND DYNAMIC ARE BRUSH EXITATION THE DIFFIRENCE
ONLY STATIC USE FLASHING PATTERY UNTILL 10% FROM RATED
POWEROF GENERATOR BUT DYNAMIC EXITATION USE MAN AND PAILOT
EXITATION

Answer / niraj shukla

static excitation is when i give him supply and when i
give movement wih other source (force) ten it is dy exi.scr
is brush less

How much allowable difference current between on three phases Dear sir, We have a 1870 KW HT motor, 11 Kv supply,FLA-120A,2870 rpm,2-pole squirrel cage induction Motor.And stator is connected in star connection with Liquid resistance stater to limit the starting current.It has coupled with Centrifugal air compressor.My question is it is loading 73% of FLA taking R-phase 86.7 A, Y-phase-85.4A,B-phase- 78.3A.why the B phase current is that much of difference.Is it allowable, or any one tell me how much allowable current.If any method to calculate.

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