Hello, I had to service a Siemens Simovert VC with all three input thyristors shorted.
This VFD is used on an Atlas Copco GA180 VSD compressor.
The fault history buffer showed consecutive overcurrent trips F011.
Suspicion was a mechanical issue, and it turned out that the bearings of the motor...
Hello, was asked to take a look at an Induction Heater that it's older than me.
It is a 100kW induction heater with a Siemens RS3020CJ Tube from 1973.
I don't have any background in Thermionic vacuum tube technologies and the few useful pieces of information I found still don't give me insight...
Hello,
I'm seeking advice on an ASEA TYRAK 73 DC drive retrofit.
This drive is used for a Hoist motor on a Container Crane.
Motor Plate data is:
ASEA LEA400 152kW
400V 415A
Exc. 220V 6,2A
800/1248 r/min
INT.40%
Tacho Generator is:
ASEA BD2510B
O.C.V./RPM 0,1
MAX.RPM 4000
MAX.AMP 0,1
As this is...
Hello all, please bear with me as I am a first time "poster" here.
I'm an electronic engineer and not used to service DC drives or DC Motors, I service mostly Servodrives and VFD for AC Motors.
I had a job to service a SIEI Typact TDP3 SCR Drive for a system that is driving 2 german 110kw CONZ...
