a new 3ph induction motor doesn't rotates their ratted speed, why ?

Answer Posted / ashok k

This is due to Slip also. Anther possible reason broken short circuited rotor ring or Rotor lamination may be broken.

Is This Answer Correct ?    1 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

how to copy from plc ge fanuc versamax series,all input and output, adress, and printout.

2054


how to calculate current and voltage in a same circuit?

1687


what is the acceptable value of TAN DELTA and dissipation factor for 11kV, 1.75HP Motor?.

3712


Give the expression for the frequency of oscillations in an op-amp sine wave oscillator?

654


1.Z transform always lies around ? a) origin b) pole c) zero d) z=1. Multiples Mcqs which is bother me can’t find answers on internet. Some help required with little explanation . Note: this is not homework or related to any test. Thanks

1948






What is Phase to Phase clearance for 800V System Operating Voltage as per IEC61439

548


what will happen if frequency is below 50 hz?

1569


List the power rating of any 5 important electrical appliances used in houses.

1575


Draw a circuit diagram in which if button is open we can use socket and bulb as a series test circit and if button is close than simple we can use socket as any load purpose.

1448


What happen if 200 KVAR capacitor connected to power continuesly?

1660


What is the tube exial fan?

1705


What are gain margin and phase margin?

842


2 v/500amp/hr to 1.80vpc at 20 degree celsious 2v/5ooamp/hr to 1.75 vpc at 77degree farren .this is the capacity of a battery .what is the meaning of this . can i get a detailed explenation

1874


Describe the control mechanism of missile launcher???

1528


we are small scale industry in production of rice & rice bran. Pls let me know how to take contract demand for our industry.. (for information we have total 600.hp)

3477