when the rheostat kept in minimum to maximum position in
motors what will happen?
Answer Posted / harish
depends which component rheostat..if field rheostat is
there it should be at the minimum....the armature rheostat
should be at the maximum..it should be done to limit the
speed of the machine.....at starting due to very less
induced emf the speed increases terribly
| Is This Answer Correct ? | 19 Yes | 1 No |
Post New Answer View All Answers
Explain the construction of the conservator, operation and purpose, and draw the diagram of the conservator.
What is the rate of WCT on the Electrical Contracts comprising of DG Sets and Civil Works in Delhi ?
How to perform a DC resistance test In Alternator and their proceduces?
I NEED RRB APTITUDE QUESTIONS AND MODEL PAPER,PLEASE SEND MY E-MAIL joo28_eee@yahoo.co.in
how current is reverse from its normal direction during the fault?
What is the capacity of the Fastners 12mm?
Briefly describe means used by electricity suppliers to influence the flow of active and reactive power in power networks (one for each type)?
diff. between tension mode & speed mode
I HAVE BEEN SELECTED FOR APGENCO A.E(ELECTRICAL) 2008.HOW MUCH WEIGHTAGE FOR INTERVIEW AND WRITTEN TEST.HOW I HAVE TO PREPARE. PLEASE GIVE INFORMATION IF U KNOW.WHAT ABT G.D THIS TIME.CALL RATIO 1:2
3 phase Motor will be given 2 phase after 2 to 5 second we given 3rd phase so Motor Run sum-time in forward or sum time run reverse direction. All time phase sequence is not change. Why motor run in reverse direction? Please Explain........
What is Harmonics how it is produced and what is the method to control the same
How the capacitance og capacitor volatage transformer is decided?
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
How to address the servo drive for motor
all details of DG UPS HVAC