ALLInterview.com :: Home Page
 Advertise your Business Here     
Browse  |   Placement Papers  |   Company  |   Code Snippets  |   Certifications  |   Visa Questions
Post Question  |   Post Answer  |   My Panel  |   Search  |   Articles  |   Topics  |   Errors
   Testimonials Refer this Site  Refer This Site to Your Friends  Site Map  Contact Us      
   
 
Categories >> Engineering >> Electrical Engineering
 


 

 
Question What is the d/f between DOL & star delta starter & automatic
star delta starter?
 Question Asked In Companies :: ACC, Dalkia, Indeco, Wipro, Novotel, Engineering, NINL, RMH Control Systems,     < I also faced this Question! >
 Question Submitted By :: ravi
  Answer Posted By  
 
Answer
in dol motor is supplied full line voltage hence torque
will be more, whereas in star delta the voltage is reduced
by root 3 times hence torque reduced

Is This Answer Correct ?    46 Yes 14 No


 
  dipanshu singh
 
View All Answers
 
 
Please Help Members By Posting Answers For Below Questions
 
 Question Views   Select
 
If SFU is Switch Fuse Unit, What is the expansion for FSHF in Electrical Engineering? 514
TRANSFORMERS WITH DC SUPPLY 203
how did i get the competency certificate as electricle supervisor. iam completed my b.tech.but i dnt have any experince, this certificate is required for applyng ongc mangement trainees. what should i do sir please suggested me 324
Mr. mohh sahid m not satisfied for ur answer to the que weather the size of transformer increases or decreases withchange in fr for more detail go to the answer given by me 350
In a voltage-controlled current source A A current booster is never used B The load is always floated C A stiff current source drives the load D The load current equals Isc 274
Transformer diagram mention each parts ? 339
what is the difference between active power and reactive power and apparant power in practical as well as theoritical 300
Hoe do calculate the Cable size for Amps rating ? 233
if a 3phase 100kva distribution transformer , 400 v,50 hz, 4-wire system is loaded at 160 k.w mostly 1-phase Lighting & Airconditioning split a.c load what will be the net effect on the power system in terms of voltage, powerfactor, current , efficiency of xformer 266
what is the calculation method to design core and winding of a 200kva 3phase distribution transformer? 758
what is the voltages using in movie theaters??? why ??why not other?? 418
When MICC cables used ? 387
WTA used cb? 96
mostly the questions were from machines... d.c. machines, transformer, synchronous and induction all theory paper........ few from power system... but the level of paper was easy..... 345
I AM A ELECTRICAL PANEL BOARD DESIGN ENGINEER.IF I GO ANY INTERVIEW ,TECHNICALLY WHAT ARE QUESTIONS I WILL FACE FROM INTERVIEWER? 3961
E-Mail New Answers        Answer Selected Questions