In late 2009, the International Society of Automation (ISA) and Underwriters Laboratories Incorporated (UL) jointly issued ANSI/ISA 60079-0 Explosive atmospheres – Part 0: Equipment – General Requirements which is a …
In the selection of electrical equipment for Oil & Gas industry application, particularly those inside classified hazardous areas, the equipment protection level is necessary as a criterion. Equipment Protection Level …
Note: This is the second part of a series of articles in the estimation of pant electrical loads. Check this for Part 1. Key Single Line Diagrams In this part …
Lightning is a high-voltage discharge (usually negative) within clouds (intra-), to each other (inter-), or to the earth. The cloud-to-ground (CG) flash is the one we are usually concerned with …
In critical operations, extended plant shutdown is not acceptable unless it is a turnaround. A turnaround (TAR) is a scheduled event wherein an entire process unit of an industrial plant …
Note: This is the first part of a series of articles in the estimation of pant electrical loads. In the design of a plant power system, one of the early …