What will happened, if field voltage change with 220 voltage to 110 voltage for a dc shunt motor?
Answer Posted / k.prakashchandra
If the field resistance and rotor voltage remain the same
,the speed of the motor almost doubles.
| Is This Answer Correct ? | 2 Yes | 2 No |
Post New Answer View All Answers
HOW TO CALCULATE ELECTRICAL, MECHANICAL,& OVERALL EFICIENCY OF GAS ENGINE POWER PLANT
What is different between Circuit breaker and Isolater?
how we decide the require size is this for a known current at fuu load?
Does outdoor isolator loose connection cause short circuit current in that circuit? if yes then how ??
explain different types of d.c motors?
Explain forward resistance, static resistance and dynamic resistance of a pn junction diode.
Why reactive power is needed in a power system? How is it being absorbed or delivered by alternators? For reactive power control we are changing excitation but reactive power absorbing or delivering related to stator. How these two are interlinked? i want a detailed explanation with necessary expressions and figures?
What are the effects of electrical faults?
What is the RMS and DFT principle of analogue maesurments. Which way they are advangages. where which princples give optimum results.
is it true there's a big difference in using Cummins or Denyo...especially power output or leakage
I am interested to know what does 15 KVA DG set actually means? If I dont know the DG rating, is it possible to identify KW by simply knowing the diesel consumption?
HOW THE OLTC TRANSFORMER SAVE ENERGY IN COMPARISON TO OFF LINE TRANSFORMER AND IS IT ECONOMICAL TO REPLACE THE OFF LINE TRANSFORMER TO OLTC TRANSFORMER
how does grading rings & spacers in transmission line works? Working Principle?
what is th basic difference between a d latch time line and a d flip flop time line???
Why the standard of ambient teperature mentioned as 40 degree celcius in machines.