Large Stator/Rotor Eccentricity – A Unit Failure Case Study
...2.2 COMPARISON OF DATA BEFORE UNIT 2 FAILURE (JULY 2015.) AND AFTER THE OVERHAUL (AUGUST 2016.) For comparison reasons it is interesting
...2.2 COMPARISON OF DATA BEFORE UNIT 2 FAILURE (JULY 2015.) AND AFTER THE OVERHAUL (AUGUST 2016.) For comparison reasons it is interesting
...to nominal speed followed by automatic excitation (field flash) Excitation turned off and rotation on nominal rotational speed in mechanical rotation (free ...
...condition or estimating the expected remaining useful life of a winding is a common reason cited for doing on- and off-line ...
...and commissioned in May 2013 (for unit A) and May 2014 (for unit B) and included 4 air gap sensors, one flux ...
...software development and then in the Electrical Research Department, Ontario Hydro, where he was responsible for conducting research into advanced measurement, testing, ...
...compared with the measurements on the generator guide bearings namely the Upper Guide Bearing (UGB), Lower Guide Bearing (LGB) and Turbine
...off- and on-line PD testing. IEEE 1434 provides guidance on the most widely used detection techniques and their application as well as ...
...easier to use, more reliable in predicting insulation condition and thus have lead to widespread application, at least in North America. In additi
...forces imposed on them by rotation and the cyclic centrifugal forces induced by starting and stopping. The centrifugal forces imposed on ...
...on Fig. 2. Fig. 2 Measurement layout for relative and absolute vibration sensors. Direction X is at 180° and direction Y ...