adspace


when the direction of a 3phase induction motor is
reversed , is there any losses increases?

Answer Posted / rahul sutar

No,but at the time of using R/F starter copper losses
increase

Is This Answer Correct ?    6 Yes 1 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

how to avoid electrical shock how capacitor store charges wat are the speed control of induction motors state faradays law flemings left hand rule what is rotary converter wat is transmission and distribution what are the sources of energy abrevation of acb,vcb,sf6,igbt what is output equation of transformer which test copper iron and iron loss are calculated what is eddy current draw a single line diagram (10 marks) draw direct online starter(10 marks)

2057


all the technical question with answers pleas send your email id ramar_eee@yahoo.com

2111


I have 2500KVA transformer delta/star,13.8KV/380V provided with LV 4000A breaker. Already I have 2300KW motor feeder with a full load 90%. Is it possible to connect another 1600A from that breaker? If so how the calculation is done?

3880


sir am giving jspl exam on 19th oct . i belong to eee, so plz send previous question papers ..........to dis id abhilash203@gmail.com

2660


Q.1:What protection will be used on HT and LT side of 33/0.4 KV, MVA transformer. Indicate capacities of protective device to be used. Q.2:Which types of back-up protections are used in the power transformers? What do you understand by the term over travel in the relay? Q.3:How star and delta connected winding transformer are provided from earth fault

2207


i m in need of current rating chart of heavy duty pvc/xlpe, cu/al cables. can somebody provide me? if yes, plz send me at ashish_patel111@yahoo.com

2089


what are the values of VRY,VYB,VBR,Vry,Vyb,Vbr,Vrn,Vyn,Vbn for Magenetic balance test of 100 KVA and 63 KVA Distribution transformer

3062


sir i want previous entrance exam papers for written test

2239


xfhnchncv?

1979


Do you need any help with FEWA Electrical Supervisor exams?

1079


send me any model test paper of clerical post of state bank of india.......

1932


Draw a block diagramof Three UPS systems connected in Parallel mode?

2239


PLZ sent the previous year question paper for GET in NHPC on my EMail id ppshanker@gmail.com

5519


I am shobana from Chennai. I am having my personal interview on 19th Dec at Chennai.kindly mail me the questions to mail id shobana.shanthi@gmail.com

2460


Enlist four components of electrive drives.

1908