Hi,
I have a unique question on what is the torque on a motor shaft if it is started while already spinning at full speed, but in the opposite direction. The real world case I am trying to analyze is: a pump storage hydro generator (38MVA synchronous machine with a squirrel cage winding on the...
Hi,
I work in the utility industry and my company requires that ALL electrical drawings be PE Sealed. This inlcudes conduit, physical arrangement, schematic (Elementary, One-Line, Three-Line, etc), wiring drawings, equipment specifications, and they are looking to have PLC logic also PE Sealed...
Hi,
Does anyone have any experince with this product? We are considering it in one of our 115/230kV switchyards and were looking for any feedback on it. Of particular concern is any long term deterioration of the conductivity across the swaged joints (hot spots, corrosion, bulging, etc.)...
Hello,
I am hoping that someone is able to help me. We are using a 2 stage motor driven Nuovo Pignone centifugal natural gas compressors (3x50% capacity - 2 normally running) to boost our ~190 PSI supply pressure up to about 480 PSI for a 7FA combined cycle power plant (2x1) and we are having...
Hi,
We are working on a project to replace an obsolete Fanuc 9030 PLC running a Nuovo Pignone gas compressor with new Mark VIe Controllers. The question I have is: are there 3rd party (non-OEM) companies out there that can supply a Mark VIe system or is the OEM the only source for it?
Thanks...
Hi to all the Gurus,
I have a question that I cannot find an answer to and am hoping that someone can shed some light on this.
I am working on a 40MW vertical hydro generator upgrade project and we are replacing the existing brush rigging assembly and collector rings. The Amps Field Full Load...
