Working with customers to control electrical pollution national grid’s approach

Momentary disturbances on the electric transmission or distribution system do impact the productivity of electric utility customers and the performance of the power distribution and transmission (T&D) system. The T&D system is exposed to unavoidable events such as: animal contact, motor vehicle accidents, tree contacts, lightning, and etc.. These unavoidable events are a major source to momentary disturbances. Computer controlled machinery and appliances are intolerant to these disturbances. In addition, the operating characteristics of some devices connected to the T&D system could generate power disturbances that negatively affect the operation of other devices on the system and inside customers' facilities. To minimize the impact of the disturbances, preventive measures need to be taken. Utilities and their customers benefit immensely in sharing with one another the measures they are taking to minimize the effect of momentary disturbances.