what happen when dc shunt motor field is sudden open in
running condition

Answer Posted / guest

motor stops

Is This Answer Correct ?    5 Yes 26 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What are the site acceptance tests for power cables, DG Sets, LT panels & 30kVA UPS ?

1906


How is the gain affected by the introduction of feedback in a control system.

753


why ups rating in kva? and why ups are in parellel?.why isolation transformer is used in ups?

1481


Why reactive power is needed in a power system? How is it being absorbed or delivered by alternators? For reactive power control we are changing excitation but reactive power absorbing or delivering related to stator. How these two are interlinked? i want a detailed explanation with necessary expressions and figures?

1410


In motors how many types of cooling systems were used?

1588






What are the raitings of Mcb,mccb and Acb in detail ??

1110


Please brief working principle & construction of permanent magnet AC Servo motor

1758


The SFC of an engine is 0.25 kg/kW hr. when the fuel used has a calorific value of 36000 kJ/kg. the thermal efficiency of the engine is

1298


how to calculate current and voltage in a same circuit?

1695


If VFD is On but no starting commond on it. so how many outpout voltages of VFD

699


1- What is the Polarization Index number be good for 15KV 3c#500MCM electrical cable? 2- Can I use the IEEE Std 43-2000 to perfom the PI test? Thanks

2922


How to work definite,over pluxing,revers power,OSR relay

1256


Explain few advantages of electric traction system?

600


HOW TO SELECT THE COPPER CABLE SIZES OF MOTORS,TRANSFORMERS?

1582


WHY IN AC DRIVES,INPUT PHASE CURRENT SHOW UNBALANCE?

1731