Hi everyone
We have a 0.55KW gear motor in our factory that because of process reasons needs to work at a much lower than its rated speed constantly. The rated electric motor speed is 4Poles/1500RPM and the installed VFD needs to set the frequency to about 20Hz constantly. This motor’s winding...
Hi everybody. I want to size a stand-by diesel generator for a plant and I need a bit of help here
The final steady-state load is 750KVA, 630KW, 1100A. Derating Factor in the location is 12%.
My main concern is that this diesel generator should be able to start an electric motor that has a heavy...
Hello everyone.
We have several 400V MCCs in our factory with withdrawable unit cubicles (SIVACON 8PT). The current practice for disconnecting power supply to electric motors in our factory is that we switch off the MCCB and we also withdraw the power unit completely. Because of the high number...
Hi everyone,
In our factory, we have five 400V MCC panels which there is an undervoltage relay in the incoming of each panel. I want to reset the settings of these relays which are a bit too sensitive and incoherent with each other (some are 0.8Vn, 100ms and some are 0.75Vn, 4s)
1) Is there any...
