Transcription of INSTRUCTION MANUAL - Tomography
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ROTOR RSO REFLECTOMETER TYPE TDR100 and TDR100RB INSTRUCTION MANUAL Issue 11 April 2014 Process Tomography Ltd., 64, Courthill House,Water Lane, Wilmslow, Cheshire. SK9 5AJ. UK Phone/Fax +44 - (0) - 1625 - 418722 Email: Website: Copyright Process Tomography Ltd. and Convex Design Ltd. 2014 2 CONTENTS 1. Principle of Operation 2. Operating instructions 3. Interpretation of Results 4. Delay Line Test Unit 5. Use of Digital Oscilloscopes 6. References 7. Note on analogue oscilloscopes APPENDIX 1 Additional information for TDR100RB version 2 Use of padded case SAFETY WARNING The use of this equipment on a rotor installed in an operational generator must be carried out with the explicit permission and under the supervision of the local plant operator.
4 1. INTRODUCTION 1.1 GENERATOR ROTOR WINDING FAULTS Figure 1.1 A typical generator field rotor (courtesy of GE Power Systems) Large high-speed electrical generators use a rotating magnetic field produced by a
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