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138kV Relaying

Posted by AMPED I on November 12, 2016
Midwest location: 138kV Line and Bus Relaying replacement/69kV Line and Bus Relaying replacement. A unique feature of this project required the 138kV Bus Relaying to have individual phase relaying. Between Primary and Backup, six SEL 487B relays were installed.

Topics: Relay Upgrades

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AMPED I provides exceptional design and engineering services for the power transmission and distribution industry.

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