POWER October 2010 - 2

SPECIAL REPORTS
PLANT O&M
54 Air Preheater Seal Upgrades Renew Plant Efficiency
The regenerative air preheater (APH) on a large utility boiler often accounts for about
10% of the unit's thermal efficiency, and air leakage has the largest single effect on
APH performance. That's why APH seals deserve more than cursory attention.
WATER TREATMENT
62
62 Taming Condenser Tube Leaks, Part II
As a follow-up to last month's look at what your options are when faced with condenser
tube leaks, this month we describe some of the more common condenser tube
failure mechanisms and provide a brief discussion of how they might be prevented.
FEATURES
PLANT CONTROLS
68 FBC Control Strategies for Burning Biomass
Biomass is becoming mainstream, but control strategies have not caught up with the
fuel's use. After discussing many of special boiler control concerns raised by using biomass,
this article offers a coordinated approach to meeting common control objectives.
PLANT CONSTRUCTION
74 Deep Excavation Support Systems Speed Plant Construction
Constructing one of this issue's Top Plants entailed the building of four different
complex, below-ground structures. Learn how creative and successful construction
techniques solved water supply and coal delivery challenges.
74
FUELS
82 U.S. Coal-Fired Power Development: Down but Not Out
While construction of new U.S. coal-fired power plants has slowed to a snail's pace,
plenty of existing plants are keeping crews busy with retrofits, upgrades, and maintenance
projects.
DEPARTMENTS
SPEAKING OF POWER
6 Solving the Coal Conundrum
GLOBAL MONITOR
12
8 TVA to Complete Bellefonte Unit 1
8 Australia Fires Up Solar-Diesel Hybrid Plant
10 The Art of Power Generation
10 Storing Energy Cryogenically
12 Offshore Devices Get Bigger and Lighter
12 India Kicks Off Construction of Indigenous Nuclear Fleet
14 POWER Digest
FOCUS ON O&M
16 Lessons Learned in Reliability Standards Compliance
16 Smart Grid Cyber Security Guidelines Released
18 Innovative Cleaning of Air Preheater Coils with Pressurized Liquid Nitrogen
LEGAL & REGULATORY
26 QF Contracts and 21st-Century Economics
By Steven F. Greenwald and Jeffrey P. Gray of Davis Wright Tremaine.
86 NEW PRODUCTS
COMMENTARY
18
2
92 The Nexus of Energy and Water
By Edward Walsh, executive vice president of Black & Veatch Corp.'s global energy
business.
www.powermag.com
POWER | October 2010

http://www.powermag.com

POWER October 2010

Table of Contents for the Digital Edition of POWER October 2010

Contents
POWER October 2010 - Cover1
POWER October 2010 - Cover2
POWER October 2010 - Contents
POWER October 2010 - 2
POWER October 2010 - 3
POWER October 2010 - 4
POWER October 2010 - 5
POWER October 2010 - 6
POWER October 2010 - 7
POWER October 2010 - 8
POWER October 2010 - 9
POWER October 2010 - 10
POWER October 2010 - 11
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POWER October 2010 - 30
POWER October 2010 - 31
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POWER October 2010 - 37
POWER October 2010 - 38
POWER October 2010 - 39
POWER October 2010 - 40
POWER October 2010 - 41
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POWER October 2010 - 46
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POWER October 2010 - Cover3
POWER October 2010 - Cover4
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