hi i am aziz electrical associate engineer. i am faceing
problem in acs800 vvvf drive.it is tripping wothout any
alarm/fault.i cheaked all parameters and fault function of
drive, all are correct as well as communication
parameters.but still it is tripping (drive is tripping in
running position not in starting)

Answer Posted / k.prakashchandra

A grounded trip coil is usually responsible for tripping
without indication.

Is This Answer Correct ?    1 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

There are different classes of protections in power plants.class a,b,c are clear..is there any class d and e r there..and elaborate class b protection.

1627


What is K-rated transformer? What is the use of it? What can be the size(pls provide calculation if possible) of K- factor transformer for 550kW,690V motor operating with drive (VFD)?

1792


why we need to us lenz's law for synchornous motor

2062


what r the safety measures in UPS ? explain all?

1762


which protection function should measure RMS value of current&DFT value of current?

1461






what happens to the water pump if ground water level is slowly decreasing?our water pump is varying from no-load full-load due to this problem

1207


DRAW ACIRCUIT DIAGRAM OF 100 KVA 415V/55-0-55V DELTA TO STAR TRANSFORMER

1595


sail kaott diploma ece ke interviw me qus.kis parkar ke aate hai aur G.S me kya puchate hai kya sameedyaan me kis parkar ke qu.puchate hai

2898


i had aplied Hindustan Petroleum corporation limited for the post of maintenance technician -Electrical,i want model questions,if anybody have please send it or please advice?

1422


Differentiate between Zero and Negative sequence current

1441


What do you mean by per capita requirement of electrical energy in india

1649


what are the application of over current relay?

4212


When color of silica gel will gets change from blue to pink from Top to bottom?

1112


Can anybody just suggest about the scope of Electrical design with ETAP software?Just guide me?

3279


Pl.brief me any electrical major fault you have rectified.

1482