why we use carbon brush in exciter&genrator?
Answer Posted / hemanshu
beacause carbon contact resistance is too low 0.7 ohm. so its use for exitation of motor & generator.
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
When we use 3 terminal resistor?
bsnl tta exam question
Stator of 3-phase IM has 3 slots per pole per phase. If supply frequency is 50 Hz, calculate the speed of rotating stator flux A 1000 rpm B 500 rpm C 1500 rpm D 1440 rpm
What are the various types of rotor used in the alternators?
What will be result if we connect LT votage to the terminal of HT motor?
In the Variable Voltage Variable Frequency Drive, how the Voltage and Frequency varied ? Is it varied in the Inverter part of the Drive ? Please give us supporting document if any.
why and where we use early make & late break contacts in protection?
how to calculate the battery AH
IN 1000kva transformer where the oil and winding temperature sensors is connected
State The Difference Between Generator And Alternator?
What is the function of auadag in a cro?
how to identify vector group of three phase transformer by voltage method?
What is milivolt dop test in Busducts? What is its significance & procedure to do the test?
DIFFERENCE BETWEEN NORMAL TRAFO AND THRISTER TRAFO?
What is power distribution criteria for converting single phase unbalanced residential load to 3 phase star connected balance system. Does total KW converted to 3 Phase. Means Divided by root 3.