Cost-efficient applications of bus transfer schemes utilizing microprocessor based relaying technology

The application of bus transfer schemes in petrochemical facilities is significant in both its number and criticality. This discussion will serve to highlight the technical challenges associated with implementing such schemes and examine how modern technology can provide solutions that enhance efficiency and effectiveness in engineering, operations, and overall cost. The paper will examine the evolution of different relaying solutions over the years and culminate with a customer application that utilizes the most modern of technology available.