Answer Posted / pradyumna chdndra panda
Flux produced in field of DC series motor is less and armature current is slightd reduced at starting time because very low value of resistance is used in dc series stator and by study these relation and effects, we sure that there is no back emf produced in dc series motor that is why ....
Is This Answer Correct ? | 2 Yes | 1 No |
Post New Answer View All Answers
Is there chopping current in resistive circuit
DEAR SIR,I GOT THE CALL LETTER FROM RRB, SECUNDERABD AS A JE-II SO PLEASE PROVIDE ME SOME MODEL QUESTION AND ANSWER PAPERS AND LAST YEAR QUESTION PAPERS
how does an centrifugal and screw type chiller will work. which chiller efficiency is high and why.
How to calculate the current of Highpressure Mercury Vapour Lamp?what is the basis?whether we have to consider power factor or not?
Explain the terms real power, apparent power and reactive power for ac circuits and also the units used.
How much current will a 5 HP delta connected motor at no load will take?Is tat need a starter
Why is the frequency not changed during transformation of electrical energy in a transformer?
Advantages/Disadvantages of earthing of neutral bus on MSB instead of separate neutral earthing for transformer/DG sets feeding to MSB
how to decide the panel size like MDB ,SMDB PANEL SIZES
HOW TO CALCULATE ELECTRICAL, MECHANICAL,& OVERALL EFICIENCY OF GAS ENGINE POWER PLANT
- two pumps must work with them at the same time but if the first pump start the second pump must delayed for some time to start also , with motor rated power = 90 KW and rated voltage = 380 V and rated power factor = 0.85 lag please draw the power and control circuit for it and determine all circuit components parameters that you use it
if there is nutral in phase why we use earthing wire and grounding? even at fault condition the fault current flows to neutral (it is a lower path)
Can we check ELCB constantly from R1 to R8 phase in 1 no DB?
how does a liquid starter reduce the starting currents?
what is the internal working of star delta starter