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protective relay

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protective relay [prə′tek·tiv ′rē‚lā]
(electricity)
A relay whose principal function is to protect service from interruption or to prevent or limit damage to apparatus.
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Relays and substations What's offered: Two-day seminars at different locations on protective relay testing and substation practice.
Training briefs by Bill O'Leary / Electrical Apparatus
senior power system engineer, the mill chose to install a new type of protective relay from Schweitzer Engineering Laboratories (SEL), the SEL-311L Line Current Differential System, using their installed fiber-optic cable from plant to generating station.
Abitibi mill plugs in power protection by Solutions - for People, Processes and Paper
Interoperability between protective relays from different manufacturers in the substation becomes a necessity in order to achieve substation level interlocking, protection and control functions and improve the efficiency of microprocessor based on relay application.
Integration of control and protection systems in power networks by Berkman, R.; Meldorf, M.; Tammoja, H. / Oil Shale
 
 
 
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