2004•Turbine TechnologyRequires access

Vibration Characteristics of Generator and Exciter Rotor in Imported Type 300MW Units

Yan‐Bo Wang

Abstract

Unstable exciter rotor vibration under synchronous and load operation is inherent in imported type 300MW unit made in shanghai. First modification of exciter rotor induced high critical unbalance vibration response problem of generator rotor and exciter rotor. Second modification eliminated the vibration malfunction in generator and exciter rotor as a result of rotor dynamics design failure. Based on field measurement data and advanced rotor dynamics, vibration mechanism and characteristics of generator and exciter rotor are discussed and concluded.

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Available abstract

Key concepts: Exciter, Rotor (electric), Vibration, Generator (circuit theory), Engineering, Structural engineering, Mechanical engineering, Electrical engineering