AMPED I completed a 138kV Line and Bus Relaying replacement/69kV Line and Bus Relaying replacement in Oklahoma. A unique feature of this project required the 138kV Bus Relaying to have individual phase relaying. Between Primary and Back up, six SEL 487B relays were installed. AMPED I’s technical role in upgrading the substations included:

• One Line

• Relay & Metering

• Operating Diagram

• Three Line Diagram


• Wiring Diagrams

• Circuit Schedule

• Conduit Schedule

• Fiber Panels

• Procedures

• Document Management

Our services for this power infrastructure project began in April 2012 and were completed by the end of November 2012.

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

• Protection and Control Design: One Lines, Three Lines, AC/DC Schematics, Wiring Diagrams, SCADA/RTU and related documents.
• Communications: Fiber, Power Line Carrier, Audio Tone, Microwave, JMUS and other communication means.
• Project Management, Calculations, Commissioning, Coordination.