Abstract

A new microcomputer controlled excitation system has been developed at Ganz Ansaldo Electric Ltd primarily for power plant synchronous generators. The paper introduces the main characteristics of the excitation system: the redundant system configuration, the control functions and structure, the hot standby microcomputer system, the high-level man-machine interface and diagnostic tools. Field experiences are presented in the paper with special attention to Power System Stabiliser function realised as a condition to Hungarian Electricity Board when joining UCPTE.

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