TURBINE BEARING MAINTENANCE

 Introduction

• Turbine-generator main journal bearings are designated as No. 1, 2, 3, 4, etc. starting with the turbine-end bearing at the front of the machine

• All bearings are oil-cooled, with a pressurized oil supply to maintain suitable operating temperatures.

• Support the rotor

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• Utility turbines use journal bearings instead of ball or roller bearings

• Journal bearings have a smooth surface of a soft material called babbitt

• The bearing ring at the collector end of the generator is insulated from the end shield to avoid the possibility of stray shaft currents circulating through the bearings

TABLES OF CONTENTS:

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1. Journal Bearings in General
2. Elliptical Journal Bearing
3. Double Tilting Pad Bearing
4. Thrust Bearing

TOTAL PAGES - 52 Pages

DOWNLOAD SIZE - 3.3mb

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