Combined Conference 2021: STUG, PPCUG

Combined Conference
Location: Marriott St. Louis Grand -- St. Louis, MO
Date: 2021/08/23 - 2021/08/27
Booth: 49
Platinum Plus

The Power Users Group Combined Annual Conference includes Steam Turbine Users Group, and Power Plant Controls Users Group will be held in St. Louis, MO from August 23-27, 2021.

Tour MD&A’s state-of-the-art 250,000 square foot Turbine-Generator Repair Facility!

Monday, August 23, 2021, OR  Friday, August 27, 2021 – Tour Schedule:

  • 8:00 AM – 8:15 AM: Load buses
  • 8:15 AM – 8:35 AM: Buses in transit to MD&A repair facility
  • 8:35 AM – 8:45 AM: Arrive, get safety glasses
  • 8:45 AM – 11:15 AM: Tours – 6 stops, discussion, Q&A
  • 11:15 AM – 11:45 AM: Load buses and return to the hotel

Important Notes:

  • RSVP required within conference registration, limit 90 each day
  • Conference badges required to load bus
  • Closed-toe shoes required; Safety glasses provided at the shop

STUG/PPCUG users can attend 7F Monday, August 23, 2021, sessions from 2-6 pm:
2-2:45 pm Rotor Life Assessment
15 min break
3:10pm Design Enhancements: 7FA 1-2 Spacer Cracking Presentation
3:40-4:10 pm 7F Gas Turbine Alignment
15 min break
4:35 pm 7F Enhanced Component Solutions and Repairs
5:15 Gas Turbine Thermodynamic Analysis & Performance Testing

MD&A Valves is scheduled to present during the STUG conference on Tuesday 8/24/21, 2:00 PM – 2:45 PM on the topic of “Steam Turbine Valve Outage Common Issues” presented by Dean Casey & Dale Gould.

  1. General Process of receipt, disassembly, inspection, repairs, reassembly of valves in St. Louis Valve shop
    • Common problems
      • Solid Particle Erosion
      • Parts
        1. What to have as stock items before an outage
        2. Utilizing MD&A knowledge base to get the correct parts before an outage
      • Long lead time items
    • Repair recommendations and how they affect other areas of the valve if the customer decides not to perform all repairs
  1. Case Studies
    • Westinghouse integral strainer basket replacement
    • Control Valve Steam chest repairs
      • Seat replacements from leakage through the external shrink fit
      • Control valve seat pins – ultrasonic testing
      • Cracks (Indications) in chest cavity vs. run time

Mitsubishi Power is scheduled to present during the STUG conference on Wednesday 8/25/21 from 8:30 AM – 9:00 AM on the topic of “Planning for Flexible Operation – Maintenance & Operations Considerations” presented by Matt Ellithorpe, Senior Manager of Steam Turbine Design Engineering at Mitsubishi Power Americas.

  • Plants are increasingly shifting away from traditional base loaded profiles and embracing flexible operation in order to remain competitive in a changing power generation market.  This presentation highlights maintenance considerations associated with increased cycling and more frequent startups to ensure plants are prioritizing maintenance budgets to mitigate risks associated with their new operating profiles.  Topics covered will include inspection technologies, quantifying remaining useful life, and evaluating the impact of new operating profiles on remaining life.  Additionally, technologies will be discussed which help improve operational flexibility and increase the competitiveness of existing plants.

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