ELECTRIC ENERGY | SUMMER 2019 - 28

OPERATOR CONSIDERATIONS,
BEST PRACTICES AND OPTIONS
FOR OPTIMIZATION

Market dynamics are dictating
increased unit cycling-are you ready?
By Thomas R. Reid, P.E., Manager of Engineering, TG Advisers, Inc. and John A. Moreci, MS, PMP, Principal Consultant, TG Advisers, Inc.

R

EGARDLESS OF AGE OR design of steam turbines, there are
industry best practices to help prepare for an uncertain
future that certainly will include an uptick in cycling. In
many cases, start-ups can be optimized from both a time
and safety perspective with little or no capital investment
through application of modern fracture mechanics technologies.
A fascinating predicament is many steam turbines operating today
were designed prior to the use of fracture mechanics principles in
turbine generator design. Several of these units still follow the same
startup guidance today as when they were new, 30+ years ago. With
application of improved technical and analytical capabilities, as well
as material testing that quantifies how rotors age, many units can
take advantage of the margin inherent in most legacy designs. This

28 ELECTRIC ENERGY | SUMMER 2019

article discusses the recommendations to assess feasibility for more
aggressive cycling, engineering considerations that govern cold start
procedures and common areas for optimization.

CYCLING FEASIBILITY ASSESSMENT
There are a number of potential condition and operational limitations that can lessen the ability of a unit to cycle. TG Advisers
recommends reviewing the more common items below as a first
step feasibility assessment.

RECENT TURBINE INSPECTION DATA
Rotor Centerline Inspections: For bored rotors, a review of the most
recent magnetic particle and ultrasonic bore inspection report is

HYWIT DIMYADI/SHUTTERSTOCK.COM

STEAM TURBINE CYCLING



ELECTRIC ENERGY | SUMMER 2019

Table of Contents for the Digital Edition of ELECTRIC ENERGY | SUMMER 2019

RMEL Board of Directors
Former NFL Star and Cancer Survivor Merril Hoge’s “Find A Way” Journey Sparks Intention at RMEL’s Spring Conference
Austin’s Experience Instituting a 5G Wireless Program
APS’ Fossil Unit Monitoring Tool Improves Efficiency, Generates Savings
Charging a Path Towards Battery Storage
Xcel Energy’s Unmanned Aircraft Systems Future
28 Steam Turbine Cycling—Operator Considerations, Best Practices and Options for Optimization
Maximize on the New Energy Paradigm at RMEL’s 116th Fall Convention
2019 Calendar of Events
Member Listings
Foundation Board of Directors
Advertiser’s Index
ELECTRIC ENERGY | SUMMER 2019 - Intro
ELECTRIC ENERGY | SUMMER 2019 - cover1
ELECTRIC ENERGY | SUMMER 2019 - cover2
ELECTRIC ENERGY | SUMMER 2019 - 3
ELECTRIC ENERGY | SUMMER 2019 - 4
ELECTRIC ENERGY | SUMMER 2019 - 5
ELECTRIC ENERGY | SUMMER 2019 - RMEL Board of Directors
ELECTRIC ENERGY | SUMMER 2019 - 7
ELECTRIC ENERGY | SUMMER 2019 - Former NFL Star and Cancer Survivor Merril Hoge’s “Find A Way” Journey Sparks Intention at RMEL’s Spring Conference
ELECTRIC ENERGY | SUMMER 2019 - 9
ELECTRIC ENERGY | SUMMER 2019 - 10
ELECTRIC ENERGY | SUMMER 2019 - 11
ELECTRIC ENERGY | SUMMER 2019 - Austin’s Experience Instituting a 5G Wireless Program
ELECTRIC ENERGY | SUMMER 2019 - 13
ELECTRIC ENERGY | SUMMER 2019 - 14
ELECTRIC ENERGY | SUMMER 2019 - 15
ELECTRIC ENERGY | SUMMER 2019 - 16
ELECTRIC ENERGY | SUMMER 2019 - 17
ELECTRIC ENERGY | SUMMER 2019 - APS’ Fossil Unit Monitoring Tool Improves Efficiency, Generates Savings
ELECTRIC ENERGY | SUMMER 2019 - 19
ELECTRIC ENERGY | SUMMER 2019 - Charging a Path Towards Battery Storage
ELECTRIC ENERGY | SUMMER 2019 - 21
ELECTRIC ENERGY | SUMMER 2019 - 22
ELECTRIC ENERGY | SUMMER 2019 - 23
ELECTRIC ENERGY | SUMMER 2019 - Xcel Energy’s Unmanned Aircraft Systems Future
ELECTRIC ENERGY | SUMMER 2019 - 25
ELECTRIC ENERGY | SUMMER 2019 - 26
ELECTRIC ENERGY | SUMMER 2019 - 27
ELECTRIC ENERGY | SUMMER 2019 - 28 Steam Turbine Cycling—Operator Considerations, Best Practices and Options for Optimization
ELECTRIC ENERGY | SUMMER 2019 - 29
ELECTRIC ENERGY | SUMMER 2019 - 30
ELECTRIC ENERGY | SUMMER 2019 - 31
ELECTRIC ENERGY | SUMMER 2019 - Maximize on the New Energy Paradigm at RMEL’s 116th Fall Convention
ELECTRIC ENERGY | SUMMER 2019 - 33
ELECTRIC ENERGY | SUMMER 2019 - 34
ELECTRIC ENERGY | SUMMER 2019 - 2019 Calendar of Events
ELECTRIC ENERGY | SUMMER 2019 - Member Listings
ELECTRIC ENERGY | SUMMER 2019 - 37
ELECTRIC ENERGY | SUMMER 2019 - Advertiser’s Index
ELECTRIC ENERGY | SUMMER 2019 - cover3
ELECTRIC ENERGY | SUMMER 2019 - cover4
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