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- W783054717 abstract "This paper describes how the San Francisco Bay Area Rapid Transit (BART) Traction power equipment which was placed into service in the 1970.s has neared the end of its service life. Specifically, DC feeder circuit breaker control, protection, and mechanical components are experiencing increasing breakdowns, need extensive maintenance to keep the equipment in operation, and replacement spare parts that are extremely difficult to get. To extend the useful life of its traction substation 1000V dc switchgear, BART in the late 1990s decided to replace and enhance the control and protection system of the 1000V dc feeder circuit breakers. BART with help of consultants prepared functional specifications for procurement of a microprocessor based feeder circuit breaker control and protection system. In early 2002 BART awarded a five year requirements contract to Powell Industries, Inc. to supply this system. The system was called the Multi-Function Protection Relay (MPR), and used sophisticated microprocessor-based load measuring, automatic reclosing, and protection functions. This paper discusses the project design, procurement process, installation and testing phases, and the initial performance of the new MPR.s in BART’s traction power substations (TPSS) and dc sectionalizing gap breaker stations (GBS)." @default.
- W783054717 created "2016-06-24" @default.
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- W783054717 date "2008-01-01" @default.
- W783054717 modified "2023-09-27" @default.
- W783054717 title "Integrating Microprocessor -- Based Automatic Reclosing and Protection Controls in BART DC Switchgear" @default.
- W783054717 hasPublicationYear "2008" @default.
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