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Transient Protection of the Smart Grid: An AC Power Perspective
Emerson Network Power

This white paper discusses about handling the transient nature of smart grid resulting from a largely connected power network of numerous intermittent variable energy sources. With numerous large and small wind turbines and photovoltaic solar arrays networked to the SMART Grid, significant amounts of conductors will be utilized to connect the network. In the SMART Grid, equipment that is normally connected deep inside a building or residence can now have direct exposure to the full energy capability of a lightning or switching transient. Protecting equipment within a facility from transient conditions requires SPDs to be applied at the service entrance of the primary power and alternate power. Connecting an SPD to the electrical distribution must be accomplished in accordance with the National Electric Code and all local codes. More requirements on SPDs, to protect equipments from surges, have been proposed in this paper.

Document Type:
White paper