Am using an electronic digital display to see the RPM of ABB ACS 550 drive, which is showing negative value when the motor & drive in stop mode but it is showing correct value during the run mode. can anyone help me out??

Answer Posted / cae

Thank you Chandra padhi, but cud u please tell me how to do that in briefly. Am very thankful to u if u help me

Is This Answer Correct ?    1 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

WHAT ARE THE EFFECTS OF SERIES RESONANCE AND PARALLEL RESONANCE ON THE CIRCUITS PARAMETERS?

1605


For a spring controlled governer the relation F = ar+b (F is the controlling force, r is the radius of rotation a and b are constants), indicates that the governer is

834


how to do the ductor test?

6665


What is the voltage gain or transfer function of amplifier?

793


What are the relays in ACB and VCB

1778






where can i get vijaya electricals limited in hyderabad interview auestions can u give me the website address plz

1732


What is a differential amplifier? Also, explain cmrr.

812


What aturn on methods of scr?

799


What happened if C.T mount at any cable or Bus bar in wrong direction . C.T going on proper work or not . C,T direction is essential thing to properly work.

1362


why are the maintaine power factor and how can this control and this is how work.

1565


hii this is ranjith from hyd... i want to know what type of questions they ask in interview...and hw the interview will go..? what subjects thay ask specially for electrical engg students?

1620


1.25 kg of hydrogen are burnt with stiochiometric air, the mass of air in kg required is

1663


how commomn gate triggering is given for TRIAC ? other thyristor wont be efffected?

2023


what are factors to be consider in electrical installation like load factor,diversity factor .....

1457


IF alternator SCR value will be high means what happen in alternator efficency at operating power factor of 0.8

3494