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

Answer Posted / taraka mohan

The speed of the shuntmotor becomes high(uncontrollable)
and the windings are burn

Is This Answer Correct ?    44 Yes 10 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What is the Diff. btw Manule Pull Station & Manule Abort Station Switches used in FM200 System??

1385


2. Modify your design in question 1.a so that the circuit works according to the following function table X Y F 0 0 Clear 0 1 No Change 1 0 Parallel Loading 1 1 Count 3. Design a circuit that detects the pattern 010 in a serial input X considering: 3.a Overlapping 3.b No overlapping

1452


description about dry type transformers

1473


How can get elongation of 2 k.G aluminium, if elongated aluminium dia is 2.5 mm?

1810


why we are using earth pit in sub stations.?

1554






What is Harmonics how it is produced and what is the method to control the same

1765


tell me about eletrical contractor

1517


What do you mean by the zone of protection?

614


234 MVA Generator 3 phase Short circuit current Values required? Gen set Rating-234 MVA, Gen Voltage-18kv, PF;0.8, Xdv:23.5 %, Transformer Rating-18/380KV, 680MVA,Yndd1 two winding, Step up TR, ZT:35.50 %,X/R 4.33 Gen CB Position, CB open ,Disconnected open, Generator Running Voltage 18 Kv, Bi mistakes generator side earth switch Closed during that time short circuit current level in 3 Phase required, and how to test on site 234MVA Generator Short circuit current,

1574


I have a small system with two motors that are running on 380 vac, 60 hz. These motors are expensive and I usally get them from Brazil. I am adding another motor to the system, but I want to purchase a 480 vac, 60 hz motor to use. It will be on a VFD that is rated fro 380 thru 480. Is this posible and will I have to use a larger motor and derate it?

1528


what is W.T?specify the acceptable range?

1505


How many types of probe used in cro?

661


How should i design a 1ph & 3 ph transformer. Kindly let meknow all steps and formulaes related to design from scratch.

1514


what is magnetizing current test in power transformer

2165


How will you utilise electrical power? You can start from the generating station.

1446