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California Smart Grid Center Lecture Series

Posted On : September 30th, 2011

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Topic: PG&E Electrical High Voltage and High Current Tests labs and Smart Grid Support Testing

Speaker: David Bradley, Supervising Electrical Engineer - ATS, Pacific Gas and Electric Company.

Date: Friday, Sep 30th, 2011

Time: 12:00 to 13:30 pm

Venue: 2nd floor Orchard Suite II and III, University union, Sacramento State University

PG&E has a unique test facility and organization located at the San Ramon Technical Center, called Applied Technology Services (ATS). ATS is a multidisciplinary team of 100 engineers, scientists, and technicians committed to delivering practical solutions to the most challenging utility problems. ATS also provides high value services that help clients proactively avoid future problems by specifying equipment, materials and methods that are best practices in the industry. This facility consists of a High Voltage Dome capable of testing to 720,000v, a High Current Yard capable of testing to 80,000a, and an in construction Distribution Test Yard with 3 simulated 21,000v distribution circuits for utility field simulations.

Overview of these test facilities and numerous test projects will be discussed. Also a discussion regarding the recent and near term testing associated with Distribution Automation systems and equipment associated with a new Smart Grid. Testing has been done on such equipment as Intelligent Line Reclosers, Commercial scale Inverters, Underground fault sensors, and Automatic Fault Location and Service Restoration systems. Specific discussion regarding a proposed joint effort of the California Smart Grid Center, Sacramento State Electrical Engineering, and PG&E to look at the impacts of Volt-VAR control of the power distribution system, and the integration of renewable resources Distributed Generation (DG) at high penetration levels into the distribution system.

Mr. David Bradley P.E. , Supervising Electrical Engineer , is the lead for the Electrical unit of ATS consisting of 19 Electrical Engineers and Technicians. ATS Electric has completed numerous projects including equipment testing and acceptance, event recreation, and incident investigations. Mr. Bradley’s unit has experience in Distributed Generation, Distribution Automation, and Inverter equipment. They have completed numerous Control System and Integration projects as well as Data Acquisition projects .

Mr. Bradley joined PG&E in 1980 and has held a variety of Engineering and Operating positions. He has over 25 years of experience as a Distribution and Transmission Engineer and Supervisor. He has also served as PG&E’s Manager for its Vegetation Management program, and Manager for New Customer Connections. He has a total of 31 years of utility operations background. Mr. Bradley holds a BS degree in Electrical Engineering from the South Dakota School of Mines & Technology in Rapid City, SD. He is a registered Professional Engineer in the State of California. He is a member of the IEEE – Power Engineering Society

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