what is meant by crawling??

Answer Posted / arif mondal

The phenomenon of 3 phase Induction motor when runs at
1/7th of its full speed constantly due to the presence of
odd harmonics (generally 5th,7th) in the line is termed as
crawling.

Is This Answer Correct ?    9 Yes 6 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

what is the circulate the diesel in DG in side pls tell parts name and picture with circulate the diesel

1536


For a 6.6kV Motor it is recommended to do megger test with 500 V d.c and not more than 5kV d.c but the Hi voltage withstand test should be performed by 12kV AC. Why the dc voltage test should be limited but AC voltage withstand test could be with such a high voltage?

1709


The simple way of finding the leakage quantity and % in compressed air distribution system

1206


Readings of ER300P Trivector meter

5855


i have done diploma and btech in EE and live in Chandigarh so kindly help me how can i make my competency certificate in my area.

1786






Either It Possible a dc Motor to Run On Ac Drive [ Ex : ACS 800 , Yaskawa F7 ] If it is Possible How Pls Inform Me dinesh_elect_eng@yahoo.com

1559


what shall be no load voltage of 132/33 kV transformer ? is it 33 kv of 34.5 kV

1716


Why Utility Distribution System in India is mainly at 11 kV? Why not Utility go for 33 kV?

1321


What do you understand by oldham's coupling ?

654


number of I/O devices in siemense plc

1651


As you achieve greater success with the company after some years, Will you like to be a share holder in our company?

2393


What is meant by analogous system?

773


how we find transformer capacity by ohm

1745


transformer spections :: input voltage 0-110-230v; output volage 0-10-12-14v; amp=3A using CRNO CORE, capcaity=50VA primary turns = ? ; secondry turns =?

1667


how to revers the direction of single phase motor

480