In separator VFD frequently trip with OVER VOLTAGE Fault
What is the reason?

Answer Posted / mithilesh k umar

it's reason related to load on motor.it takes more current
dabove the range.
ie bearing problem.

Is This Answer Correct ?    1 Yes 2 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Hook up resistance decade box to temp.transmitter.

1724


Can anyone send most commonley asked Instrumentation questions and answers in cement industry please?

1540


Decibel.

2082


Why is the orifice tab provided?

706


How oil line flow measured?eplain about instruments used and working principle?

1544






when a magnet is heated?

1521


how to calibrate steam control valve in steam turbine

2823


WHAT IS THE DIFF. BETWEEN SKIN TEMPERATURE AND PASSES TEMPERATURE..?

2084


What is intrinsic safety mean.

1467


What is intrinsically safe system?

713


Please send me the sample question of Instrumentation of hpcl/iocl exam. my mail id hihi_kiholo@rediffmail.com

2698


where cascade loop use ?

1310


What is loop1 and loop2 in MTS LT?

3296


There are two chlorination tonners both are connected to two pressure swithes and the pressure switch is connected to SOV which operates the valve to changeover the tonner selection i.e if pressure one tonner goes low the other tonner should come in line if it is inautomatic selection design a circuit using relays ?

1456


Describe the functions of the Operator Interface including the considerations related to alarming and display layout/configuration/layers.

1639