Search results for query: *

Nice one OperaHouse. Fighting one Snubber with another worked almost perfectly (there was the tinyest illumination but you had to look hard for it!). Yes this was a Temperature Controller Test Jig which would have no loading on it. Thanks again Sparxicus.

I have set up a test rig to test out Temperature controllers. An SSR is activated to switch on a 240V LED when the T/C is calling for Heat. Trouble is that even when the SSR is not switched on there is a leakage current across it that lights the LED anyway. I spoke to the SSR manufacturer...

noshorts & skogsgurra. Thankyou for your replys. After conducting some more research (although I have not come to a solid conclusion yet!) I remembered another Extrusion machine with a DC Drive had a similar problem a few weeks ago. In this case the operators reported the factory lights dimming...

Thanks for your replys. But there is sufficient clearance between pigtails and casing. Also the brush holder springs are tight enough to give a good connection with the com (without stretching the pigtails). The motor is a ABB type DMP - 4L 49.9kw Arm 440V/127A Ex 310B/4.25A 1510 rpm driving a...

Please bear with me as I am a first time "poster"!. I have a 49kw ABB Dc Motor which seems to be arcing from the bottom brushes to the motor case. This is causing two of the 3 phase fuses feeding the ABB drive to blow (in one case it actually took out the main 200A Breaker feeding the entire...