what happen when dc shunt motor field is sudden open in
running condition
Answer Posted / manoj
when field circuit is open sudden high torque wii develop
due to this as speed is directly proportional to speed
motor runs very fastly than its rated speed
| Is This Answer Correct ? | 2 Yes | 1 No |
Post New Answer View All Answers
3Cx240 & 3Cx300 sqmm Al. cable from lv side. What is the calculation for this cable??
Why transformer used in UPS??
what are the Alarm, Trip & Safety equipment (Issues) present in Power Transformers pls Mail it to ashokbabunhce@gmail.com
how can we determine size of a cable by knowing the kw or current rating of a load?how can we calculate the resistance box of a slip ring motor?
1. What is the exact formula for one weber? for example,(one ampere = one coulomb electron of electrons crossing a point of conductor at one second. i.e, 1A=1Q/1sec)
how to calculate the formula of cable size if motor kw is given
how to design the heater in temperature control unit to heat 50KL of water?
PLZ EXPLIN ABOUT CLASS PS CLASS CT .WHY THEY R DESINED AND FOR WHAT PURPOSE?WHY OTHER CT CANT BE USED AS PS CLASS CT? EXPLAIN IN SIMPLE LAUNGAGE IF POSSIBLE PLZ GIVE CIRCIT DIAGRAM?EMAIL-RAJ_SINGH_0376@SIFY.COM
what is the working process of over & under voltage relay.
What is the difference between AC and DC injection methods for rotor earth fault protection
draw the block diagram of fire alarm?
Please help me regarding my one concern. - During earth pit testing we noticed that the Clean earth pit and dirty earth pit showing continuity (Resistance value - 5ohm) . I want to know that if both earth pit have separate location and there is not internal looping between PIT then why such continuity is showing on it . Because of this issue the field side all earthing point showing short. In PLC panel we are providing two types of earthing cable which is coming from separate earth pit (Clean and Dirty earth pit) because of earth PIT showing short our PLC is not complying spec . please help regarding this issues.
wat is d diffr btw shunt coil and trip coil in VCB?
What is the power factor of an alternator at no load?
Please tell me the power flow from pmg to main rotor of an alternator (Including AVR unit)?