DULUTH, Minn. — The fatal explosion at the United Taconite plant in Forbes last fall resulted from management’s failure to make sure that all electrical circuits had properly maintained overload ...

The objective of protective relays and protective schemes is to protect electrical equipment such as transformers, lines, cables, bus bars, etc. during abnormal system conditions. Hence, protective ...

If a motor isn't adequately protected, a short circuit will likely result in premature replacement. Then there's the problem of nuisance tripping upon initial start-up because the magnetic setting of ...