The Microsynchronizer: A Microprocessor Based Synchronizing Relay PUBLIC ACCESS

[+] Author Affiliations
Timothy P. Near, Daniel Johnson

General Electric Company, Schenectady, NY

Paper No. 83-GT-145, pp. V005T13A009; 5 pages
  • ASME 1983 International Gas Turbine Conference and Exhibit
  • Volume 5: Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; Process Industries
  • Phoenix, Arizona, USA, March 27–31, 1983
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7955-9
  • Copyright © 1983 by ASME


A generator power system synchronizer, the microsynchronizer was developed specifically for gas turbine generator drives. It provides improved performance and reliability as compared to synchro n izers used in the past, while at the same time it cuts costs of manufacturing and installation. Faster and more accurate synchronizing is achieved by including a speed matching function and utilizing more sophisticated algorithms. Higher reliability is obtained by minimizing parts count, eliminating adjustments, incorporating transient suppression, and designing “failsafe” features. The microsynchronizer was first installed in the field in early 1979, while more than 100 will be in service by the end of 1982.

Copyright © 1983 by ASME
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