O&M
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Commentary
Users’ Groups Provide Value to Plant Operators
If you look up the history of users’ groups, you’ll find that many early organizations focused on computers. While it’s hard to confirm all the details, at least one source suggested that the first
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O&M
Precision and Partnership Spur Innovations for Nuclear Project
Replacing two 40-year-old feedwater heaters at a plant of Oconee Nuclear Station’s size and age was fated to be a complicated project, but through meticulous modeling and planning, and seamless
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O&M
Using Throttling Valves for Blowdown and Other Power Plant Applications
Understanding which valve to use in which application is essential to operate a steam power plant as efficiently and cost-effectively as possible. For example, a critical step in steam power generation is
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O&M
LiDAR Technology Mated with Wind Energy Quickly Becoming an Industry Standard
The profitability of a wind farm depends directly upon reducing uncertainty when wind resources are being assessed and when wind turbines are being fine-tuned. Project risks vary from site to site, depending
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O&M
A Semi-Automated Metal Decontamination and Recycling Process
A semi-automated and patented process for decontaminating and recycling radioactively contaminated heat exchanger tubes has been successfully demonstrated at the Ignalina nuclear power plant in Lithuania
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O&M
Implementing an ASME Covered Piping Systems Program
Power plant piping with a nominal pipe size of four inches or larger that carries steam or water operating at greater than 750F or 1,025 psi is considered a “covered piping system.” That means the
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O&M
Equipment Showcase: Valves, Piping, and Fittings
Proper valves, pipes, and fittings are important for successful operation of power generation facilities. This equipment includes products with versatile designs to establish effective joining and sealing
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IIOT Power
Advanced Process Control for Optimizing Flue Gas Desulfurization
Coal-fired power plants can significantly improve wet limestone scrubbing with advanced process control. One optimization system implemented at a Japanese facility utilized enhanced regulatory control
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Connected Plant
Companies Will Collaborate on Blockchain Tool for U.S. Power Market
A subsidiary of grid operator PJM Interconnection has joined with a Switzerland-based group to build and evaluate a blockchain-based tool to help the U.S. power generation industry. Energy Web Foundation (EWF) and PJM Environmental Information Services (PJM-EIS) on October 25 said they would collaborate on developing and testing a reference implementation of EWF’s open-source Energy […]
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IIOT Power
ServiceMax Launches New Predix ASM Software for Equipment Operators
Proactive equipment maintenance continues to be a priority for power plant operators. ServiceMax, a GE Digital company that provides field service management software, on October 25 announced it has launched its Predix ServiceMax Asset Service Management (ASM), a new offering to help operators “transform their entire asset maintenance process from a break-fix model to a […]
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Gas
Test Your Knowledge: Competitive Maintenance Strategies
Competitive maintenance uses an analytical process and condition-monitoring tools to select the optimum maintenance strategy for each plant system. For example, the optimum strategy for the plant’s steam turbine will be different than that for its gas turbine, and vastly different than that of its feedwater pumps. How well do you know your maintenance strategies? […]
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History
Test Your Knowledge Archive
Test Your Knowledge The quizzes provided here offer an easy way to test your knowledge of various power-related subjects. If you want to learn more about the quiz topics, follow links to articles from the POWER archive, which are provided on each individual quiz webpage. Competitive Maintenance Strategies Quiz https://www.powermag.com/test-your-knowledge-competitive-maintenance-strategies/ Scaffold Safety Quiz https://www.powermag.com/test-your-knowledge-scaffold-safety/ Monitoring and Treatment of Closed-Loop […]
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O&M
Coal Silo Failures Reveal the Need for NDE Inspection
In July 2016, a coal silo collapsed at an Indiana power plant. The root cause was identified as cracking of the cone-to-skirt weld. Warnings to inspect this vulnerable weld were published widely in conference proceedings and trade journal articles. Nevertheless, coal silos continue to fail at an alarming rate (Figure 1), which suggests that the […]
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O&M
Hydropower Bill Overwhelmingly Clears Senate, Heads to President’s Desk
The U.S. Senate has cleared a major water infrastructure bill that contains several provisions promoting hydropower development, sending it to the president’s desk. The Senate passed S. 3021, “America’s Water Infrastructure Act of 2018,” on October 10 through a bipartisan vote of 99–1. Because the House of Representatives unanimously passed the bill in a voice […]
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Press Releases
BrandSafway introduces BrandTech™ Precision Welding
New drawn arc welding technology increases productivity and quality Kennesaw, Georgia, USA, Oct. 03, 2018 (GLOBE NEWSWIRE) — Industrial Specialists, a BrandSafway company and a member of the American Welding Society, is introducing BrandTech™ Precision Welding, a modular-welding system with built-in technology, which allows for one or two welding guns to be used at the […]
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O&M
What Is Meant by Power Factor?
Low power factor reduces an electrical system’s distribution capacity by increasing current flow. Therefore, having a low power factor is inefficient and expensive. But what is power factor and what affects
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O&M
Minimizing Fire and Explosion Hazards in Dusty Systems
Understanding the properties of bulk materials and how they interact with environmental factors is vital to safe operations, but having an honest conversation about the hazards, so risks can be properly
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General
Coal-to-Gas Power Shift Driven by Economics
The Tennessee Valley Authority’s third coal plant conversion to gas combined cycle generation, at the venerable Allen plant near Memphis, Tennessee, created the most-efficient combined cycle plant in its
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O&M
Equipment Showcase: Corrosion Prevention and Water Treatment
Corrosion products can form quickly in power plant systems if water, air, and metal are allowed to occupy the same space. Localized corrosion can take any of several distinct forms, such as stress corrosion
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O&M
Jobsite Safety Check: Mitigating Risk and Improving Safety at Power Plants
Safety should be the top priority on any job site and goes hand in hand with operational excellence. Risk mitigation and safety are exceptionally important for power plants due to the nature of the industry
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O&M
Intense Summer Heatwaves Rattle World’s Power Plants
Scorching temperatures during the summer of 2018 forced a swathe of power plants across the world to reduce power or shut down temporarily, owing to warmer-than-usual temperatures of cooling water and other
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IIOT Power
Using Predictive Analytics to Keep Up with Energy Demand
Silicon Valley Power implemented a system using machine-learning technology to monitor critical power plant components. The solution has proven to reduce downtime and save money. Furthermore, its wireless
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O&M
Best Practices for Welding Critical Power Plant Systems
Innovative welding techniques can produce consistently better-quality joints. Special alloys, appropriate pre- and post-weld heat treatment, and proper weld procedures can all help prevent catastrophic failure
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O&M
How Does the Western Energy Imbalance Market Work?
The California Independent System Operator’s Energy Imbalance Market (EIM) is a real-time energy market, the first of its kind in the western U.S. EIM’s advanced market systems automatically find low-cost
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O&M
The Gamble to Produce Power from a ‘Killer’ Lake
KivuWatt, a 26.2-MW power plant in Kibuye, Rwanda, was conceived to help reduce risk of an overpressure gas outburst at Lake Kivu. The first-of-its-kind integrated methane gas extraction and production
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O&M
Aftermarket Parts Substitutions Can Shut Down a Power Plant
Every power generation facility is unique, as are the functions and maintenance requirements for their equipment. Keeping equipment in working order and avoiding downtime is critical. Plants will sometimes use
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O&M
A Modern Gas Power Plant Thrives on Ancient Wisdom
Built and developed in accordance with the principles of vaastu shastra, this 1.5-GW “mega” gas power plant in India imbues positivity and proactivity into all aspects of plant operation. It has resulted
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O&M
Duke Hit Hard by Exorbitant O&M Costs at Edwardsport IGCC Facility
Duke Energy will swallow $30 million in runaway costs associated with operating its five-year-old 618-MW integrated gasification combined cycle (IGCC) facility in Edwardsport, Indiana, if a settlement the company reached with Indiana consumer groups last week is approved. Duke declared Edwardsport Generating Station “in service” in June 2013, despite a series of hiccups that delayed […]
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Press Releases
Garlock Launches ABRA-SHIELD™, an Expansion Joint Material Designed for Abrasion Protection
PALMYRA, N.Y., Sept. 26, 2018 /PRNewswire/ — Garlock – a leading manufacturer of high-performance fluid sealing products – has launched ABRA-SHIELD™, a proprietary expansion joint liner material designed for abrasion resistance and sustainability in demanding high temperature operating conditions. As the newest addition to Garlock’s family of abrasion resistant expansion joint materials, ABRA-SHIELD™ will join […]
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Commentary
Increasing Sustainability in the Power Industry Through Proactive Maintenance
According to a recent maintenance study published by Plant Engineering, more than 50% of respondents said their plants are still heavily relying on reactive maintenance. However, organizations and industries (including the power industry) have slowly started to move toward a more proactive maintenance approach because of the numerous benefits its implementation provides. This article addresses […]