The undervoltage release on the main breakers is disabled. As for the 90% sag per ITIC curve (old CBEMA) should be good forever. You get into a 10+ second dip @85% and you might see something (and that is what the Basler is factory set to). No SCADA, but would love to have a system.
We were...
Looking to see if anyone has any experience in substation main breakers tripping when a utility switches nearby.
I currently work at a petrochemical style plant with many 480V main substations. Recently we had the utility switch at a yard not to far from our facility and had 3 main breakers...
Recently I have a couple of 480V 3ph hot oil immersion heater fail. The configuration is a bunch of 240Vac cartiridge heaters series, paralled together to get to the desired kW. The failure is a group of cartridge heaters in a small space all have both leads burn off. This seems like to me a...
Although not to far from the truth, not entirely accurate. I guess I am not sure from the post why you would say I don’t have any idea what to do. I don’t believe following the vendors suggested installation practices ,as well as consulting and working with the manufacture to install suggested...
I have an electrical room with many large VFD's(200+hp). We know we have a problem with install (not grounding the shields on the power cables correctly) and need to fix this issue. I was wondering if someone could suggest a measurement means (EMC/EMI meter) to quantify the fixes and record the...
