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13.8kV generator dc ramp test result
Clyde, regarding your last comment you are underselling yourself. I believe you know a lot of what is going inside...
Posted in: Generators: Stator Winding AC/DC Hipot, Leakage, Absorption Tests
Thursday, April 5, 2018 02:47 PM
Condition Assessment Tool for Maintenance & Overhaul
We run 10 turbines (different manufactures), and our mayor overhaul media is about 50 years. We do repairs from time to...
Posted in: Hydraulic Turbines: Annual Inspections & Maintenance Programs
Thursday, April 5, 2018 01:54 PM
Fixed Kaplan Blade Operation Mode
No possible to operate at fixed blades, you will loose power and cavitation will be terrible. You better ask for help...
Posted in: Hydraulic Turbines: Kaplan Turbines
Thursday, April 5, 2018 01:47 PM
Cylindrical turbo rotor slot liner specifications
Thanks
Posted in: Generators: Cylindrical High-Speed Rotors: Shorted Turns, Grounds, Copper Dusting, Racheting, Crossover Failures
Monday, April 2, 2018 07:51 AM
Ingersoll Thrust bearing shim?
I am posting here, the original post is a current question on another forum. the request is concerning the machining of...
Posted in: Steam Turbines: Disassembly-Reassembly
Sunday, April 1, 2018 10:51 AM
Siemens Product Bulletin PB2-15-0009-GN-EN-01 Main Flex Lead Connector Replacement
I have some comments that may be useful on this topic. These are braided flexible connectors with tin - plated copper...
Posted in: Generators: Water Leaks, Crevice Corrosion, Capacitance Mapping
Saturday, March 31, 2018 02:29 PM
Generator rotor low IR
but how come it was finally 1Mohm as you said in the inception ?
Posted in: Generators: Stator Dusting, Greasing, Wedging & Bracing, Foreign Debris & Contamination
Friday, March 30, 2018 01:50 PM
Rotor with Metalic Strip
The ring key, or, locking ring, is inherently in hard contact with the ring and the rotor teeth. The...
Posted in: Generators: Generator Rotor & Exciter Visual Inspectons
Thursday, March 29, 2018 06:58 PM
Synchronization Failure
A few more notes: - Agreed removing the stator flex leads and running a back energization through the transformer and generator...
Posted in: Generators: Stator Dusting, Greasing, Wedging & Bracing, Foreign Debris & Contamination
Wednesday, March 28, 2018 09:08 PM
DFIM Pumped storage Generators
Dear Thomas, Thank you very much for the information.
Posted in: Generators: Stator Dusting, Greasing, Wedging & Bracing, Foreign Debris & Contamination
Wednesday, March 28, 2018 05:47 PM
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