home

Recent Forum Posts

Reusability of a Flood-Submerged Hydrogenerator—Are Conventional Electrical Tests Sufficient?
We had a flood event in 2024. Instead of using a welder we rented a Magna-Power (MAGN-MSD32-2250/480+LXI) DC power...
Posted in: Generators: Stator Winding Issues & Upgrades
Monday, October 12, 2026 11:55 AM
TURB-GENERATOR SHAFT VOLTAGE HIGH LEVEL
Hi experts, We have a 325.8MW Hydrogen cooled generator, 3600rpm, 18kV, 60Hz, 12,294A, HEC generator on site. We just noticed after...
Posted in: Generators: System Standards & Best Practices
Monday, October 12, 2026 02:34 AM
Generator Bus Humming
Have some questions to clarity of the problem. 1.The humming sound is proportional to load increase? 2.When the Generator is running with...
Posted in: Generators: Other Issues
Saturday, October 10, 2026 08:52 AM
7FH2 generator noise reappearance after corrective work.
Got it. Keep tabs on OSSB migration. Easy visual inspection at the TE, behind the endwinding, bottom bar/filler...
Posted in: Generators: Keybar Rattle, Fretting & Looseness of Core to Frame Interface
Wednesday, October 7, 2026 10:57 AM
Top Ripple Measurement of Siemens/Westinghouse/Allis-Chalmers Generators
seleones - you mean "too small" (rather than too large) for your conventional mics right? great answer Stewart!
Posted in: Generators: Stator Dusting, Greasing, Wedging & Bracing, Foreign Debris & Contamination
Wednesday, October 7, 2026 06:13 AM
Slow speed balancing of 500MW Generator Rotor.
Very specifically, Low Speed balancing will only address dynamics up to that speed. While it won't affect existing higher-speed...
Posted in: Generators: Rotor Balancing, Thermal Sensitivity & Other Vibration Excursions
Thursday, October 1, 2026 09:12 AM
Need Help – WTD-501 V3.0 Installation Disk Corrupted (Adwel / Iris Power Wedge Tightness Detector)
Have you tried contacting Iris Power's tech support?
Posted in: Steam Turbines: Disassembly-Reassembly
Tuesday, September 29, 2026 11:08 AM
Gaps in Pole core laminations
Thank you so much for your advice and experience sharing, this clarifies a lot for further actions.
Posted in: Generators: Other Issues
Sunday, September 27, 2026 06:09 PM
Removal of the GE Gen. Rotor Bore Copper
These are GE 7FH2 generators. The single largest fleet of GE generators ever built (numbering over 1000 units built,...
Posted in: Generators: Other Issues
Monday, September 21, 2026 01:23 PM
DC Ramp test interpretation
Thank you everyone for your responses and insight. I appreciate you taking the time to reply. I don't...
Posted in: Generators: Stator Winding AC/DC Hipot, Leakage, Absorption Tests
Friday, September 11, 2026 12:29 PM
Terms of Use
National Electric Coil
Register to be a Member Forgot Password? Terms of Use Privacy Policy