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Rijeka refinery has built in year 2010. new hidrocracker complex unit as a part of refinery modernization project. This was time when complete new approach in term modern communication protocols was introduced in a field of instrumentation equipment communication. Protocol name is FOUNDATION Fieldbus which by very common definition represent an all-digital, serial, two-way communications system that...
Increasing load density at electric utilities has driven the trend toward larger distribution conductors and higher settings on overcurrent protective equipment. Not only are pickup values of feeder breakers and reclosers increasing, the protective curves are often slower to achieve coordination with downstream devices. Where there are larger conductors and slower protective settings you will often...
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