The Protection of Industrial Electronics and Power Conversion Equipment Against Power Supply and Data Line Disturbances

The irresistible trend toward distributed computing systems for the control of industrial power electronic equipment is adding new dimensions to the old problem o f surge protection. Harmful surges may be produced by lightning, power switching, or by differences i n ground potentials. The objective o f the paper is t o provide increased awareness and better understanding o f the fundamentals o f protection as well as the characteristics o f protective devices.