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 / gobinda chandra padhi
I think Zero adjustment required and check the range of the controller.
Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
1 Ton is equal to how many watts?
I WANT TO INSTALL LIGHTING ARRESTOR ABOVE 20 FEET HEIGHT INDUSTRIAL BUILDING. NOW IT WAS 15 FEET HEIGHT HOW MUCH DISTANCE IT WILL COVER & HOW TO CALCULAT THE DISTANCE COVER BY THE ARRESTOR
in Telecom DC system-why positive +ve is made earthed.and - ve is fed to load.
what is the meaning of impedance protected in instrument cooling fan
In MEP Services what are parts of STP and what are there function?
What is the end effect of linear induction motor ??
how we start 40w tube light with 4 diodes,2capacitors,1 choke and without starter.(a product avilable in market which lights burnt tube lights also)
can anybody send me syllabus of rrb section engg (electrical). and also send previous question pepar...
why T/F winding temp measurement cts are odd secondary current ie,109A/1.2A/1.4A?
On what principle electric motor works?
th how could we differentiate between armoured copper and armoured aluminium cable what is the basic application? why we prefer the armoured copper as compared to armoured aluminium.
what is the mechanism of operation of brushless dc motor why is it more wexpensive then ordinary permanent magnet motors
What consists of 2 or more thermocouples to be connented series?
How to calculate cable rating for 3 phase supply?
What are the conditions for sustained oscillator or what is backhouse criterion?