POWER

  • Small Nuclear Reactor Concept Goes Underwater

    France in January announced its contribution to the wave of small and modular reactors (SMRs): a submarine-like nuclear plant that can be submerged in waters 60 meters (m) to 100 m deep and several kilometers offshore.

  • Who Needs an Owner’s Engineer?

    In the past, members of a utility’s engineering staff spent their career designing and building new power plants. Today, many utility engineers find that opportunity comes around only once in a career. To fill the experience gap, an “owner’s engineer” company can add to a utility’s team a cadre of highly qualified power engineers who focus on avoiding design errors and keeping the project on schedule.

  • Brazil Greenlights 11-GW Belo Monte Project

    Brazil’s environment agency, IBAMA, in January issued a partial installation license that allows for construction of the controversial Belo Monte dam complex, an 11,233-MW project estimated to cost some 19.6 billion reals (US$11.7 billion), to begin on the margins of the Amazon’s Xingu River. Saying the project is needed to meet soaring electricity demand when completed, as planned in 2015, the government gave license to dam-building consortium Norte Energia to begin clearing 238.1 hectares (588 acres) of forestland.

  • Benchmarking Fossil Plant Performance Measures, Part I: Station-Level Metrics

    How does your company prepare and share fossil plant performance data? What data are important, and how much effort is required to collect and report the data? What are the most important statistics for reporting key fossil plant operations? The latest EUCG benchmarking survey reveals the favored fossil performance metrics at several of the largest utilities in eight key categories.

  • European Offshore Wind Turbine Capacity Grows 51% in 2010

    Europe installed 308 new offshore wind turbines in 2010—a 51% increase in installed offshore capacity over the previous year, the European Wind Energy Association (EWEA) said in new figures released this January. The 883 MW of new capacity—worth some €2.6 billion—were installed at nine wind farms in five countries, bringing the continent’s total offshore installed wind capacity to 2,964 MW.

  • Training Tomorrow’s Power Industry Workers

    As U.S. electric utilities watch increasing numbers of older workers leave the workforce, they are left with a shrinking pool of experienced personnel. To meet this growing challenge, a number of educational programs are being offered to help younger workers take advantage of career opportunities in the electric power industry.

  • E.ON Starts 417-MW Cogeneration Plant in Slovakia

    At the beginning of 2011, German firm E.ON began operation of its new 417-MW Malzenice gas and steam turbine power station in Slovakia’s Trnava region, near the country’s capital, Bratislava (Figure 5). The facility, which is expected to generate more than 300 billion kWh annually, boasts an efficiency of 58%—which E.ON claims is among the “highest in Europe.”

  • Gas-Weighing Scale for Water Treatment Applications

    Scale-manufacturer Scaletron Industries added the Model 2305 Digital Single Cylinder Eco-Scale to its product lineup. Designed to provide a more versatile solution for weighing ammonia, carbon dioxide, hydrogen chloride, liquefied chlorine, sulfur dioxide, and other liquid gases used in water and wastewater treatment applications, the scale can weigh cylinders of up 10.5 inches in diameter and […]

  • Using Flue Gas to Mitigate Ocean Acidification

    Lab-scale experiments have shown that seawater and calcium could effectively remove most of the carbon dioxide (CO2) from a natural gas power plant’s flue gas stream. A large fraction of the captured gas could then be converted into dissolved calcium bicarbonate—which, pumped into the sea, could be beneficial to the ocean’s marine life, says a researcher representing both the Lawrence Livermore National Laboratory’s (LLNL’s) Carbon Management Program and the University of California, Santa Cruz.

  • Industrial Vacuum for Combustible Dusts

    The new VAC-U-MAX Model 860/02 is suited for operators who want to eliminate drum handling and who need to collect and discharge powders in a safe, dust-free, and convenient way. The Model 860/02 uses the field-proven VAC-U-MAX Air-Powered Vacuum cover with manual pulse-jet filter cleaning and nonstick filtration that captures 99.9% of particles as small […]

  • POWER Digest (March 2011)

    GDF SUEZ, RWE, and Iberdrola Pull out of Cernavoda Nuclear Expansion. French power company GDF SUEZ, Germany’s RWE, and Spain’s Iberdrola on Jan. 20 said they would no longer participate in a project to build Units 3 and 4 of the Cernavoda nuclear project in Romania. The companies cited “economic and market uncertainties surrounding the […]

  • Multiparameter Transmitter for Water Purity Monitoring

    Mettler-Toledo Process Analytics Division introduced the Thornton model M800 multiparameter transmitter for monitoring water purity. Multiparameter measurement is ideally suited for facilities where precise measurement of conductivity/resistivity, pH, dissolved oxygen, dissolved ozone, flow, and temperature of ultrapure water is critical. As displayed on the device’s full-color, high-resolution touch screen, the M800’s exclusive integral predictive maintenance […]

  • Busting Myths

    The popular television show Mythbusters uses pseudo-scientific means to examine and often expose as fiction familiar urban myths. After made-for-television lab tests, the myth is then classified as either a fabrication (“busted”), entirely possible (“confirmed”), or somewhere in between (“plausible”).

  • Metal Seat Ball Valves for High-Temperature, Abrasive Surfaces

    The new M-series metal seat ball valves from A-T Controls are engineered with specially coated matched balls and seats to stand up to high temperatures, high pressures, and abrasive materials encountered in the power generation industry. Valves in the M-series have a temperature range of –20F to 661F and a pressure rating up to ANSI […]

  • The Heat Is On at Arctic Air Base

    Thule (“Two Lee”) Air Base is a 254–square mile base located in a coastal valley in the northwestern corner of Greenland, within the Arctic Circle. The base, the U.S.’s northernmost military installation, is nestled between mountains and surrounded by icebergs and glaciers as far as the eye can see.

  • Tube Fabrication Tools Package

    Parker Hannifin Corp. has assembled a comprehensive and complementary package of heavy duty hand-operated tube fabrication tools for small-bore tube assembly. Parker’s new tube fabrication equipment package provides all the equipment necessary to successfully install tube fittings—both CP and A-LOK—in various system applications. Available for a broad spectrum of instrumentation tubing sizes, the tools include […]

  • Improve ACC Performance with Automated Pressure Washing

    Beginning each spring and continuing through the fall, backpressure readings at Rosebud Operating Services Inc. indicated substantial drops in the condenser’s efficiency. Increased backpressure results in higher net plant heat rate and a corresponding measurable decrease in power generation.

  • Clamp Meters for Technician Safety

    Fluke introduced a new family of clamp meters that is engineered to give electricians and maintenance technicians new ways to ways to work safely and reduce their exposure to electrical shock. The new Fluke 381 (shown here), 376, 375, and 374 current clamps and iFlex current probes are rated for use in measurement category IV […]

  • Plant Safety: Learn from the Mistakes of Others

    On January 27, the U.S. Chemical Safety Board (CSB) released a case study examining the causes of a heat exchanger rupture and ammonia release at the Goodyear Tire and Rubber Plant in Houston in 2008. Use these lessons learned to check your employee tracking system and to determine whether your plant has installed valves that […]

  • A Report Card on Stimulus Support for Renewable Energy

    Prior to the crash, the renewable energy industry—including wind, solar, geothermal, and other renewable energy sources—was on a roll. In 2007 and 2008, the U.S. wind power sector alone added over 13,500 MW of new projects, enough to power almost 4 million homes.

  • Proposed Combustible Dust Rule Sparks Debate

    A high-stakes dustup is shaping up in connection with the U.S. Occupational Safety & Health Administration’s (OSHA’s) proposed new standard to regulate combustible dust. When and if enacted, this new OSHA regulation will definitely affect the way personnel handle coal at power plants that use it for fuel.

  • Proper Sizing of Steam Header Drains Prevents Water Induction

    Steam turbines convert the thermal energy in motive steam to rotating mechanical energy, and the generator converts that energy into electrical power. One important requirement for safe and reliable operation is preventing water induction in the steam turbine and avoiding water hammer in the steam piping system. ASME standards present the design guidelines for removing moisture from steam lines; this article explains a practical design process.

  • Deferred Maintenance Increases Pump Failures

    If your facility has recently seen an upsurge in bearing failures on boiler feedwater (BFW) pumps, you are not the only plant experiencing these unnecessary and costly failures. The failure causes are often elusive, which is why plants have so many unresolved repeat failures.

  • Pre-Combustion Technologies: A Key Environmental Compliance Tool

    Arizona Public Service’s (APS) plan to close three older coal-fueled units at the Four Corners Power Plant in New Mexico and buy out Southern California Edison’s 48% share of the two remaining units is a creative means of surviving the U.S. Environmental Protection Agency’s (EPA) committed action against coal-fueled generation.

  • Designing Large Package Boilers

    Designing large package boilers rated at over 400,000 lb/h steam production is a challenge because of shipping limitations within the U.S. and Canada.

  • What Legal & Regulatory Issues Are at the Top of Your Mind?

    All of our legal column writers have this issue off (they’ll be back in the March issue), so we are using this opportunity to invite readers to share their legal and regulatory (L&R) concerns.

  • The Great Solar Storm of 2012?

    The 2009 blockbuster movie 2012 about a global cataclysm combined Hollywood special effects with supposed predictions by Nostradamus; a Mayan calendar that ends on December 21, 2012; and a very rare planetary alignment that supposedly occurs on the same day. Hollywood producers seldom let technical accuracy get in the way of a good story, but suppose, this one time, the story has an element of truth.

  • Readers Write

    In the September and October 2010 issues, POWER Contributing Editor David Daniels explored the causes and damage mechanisms of condenser tube leaks (“Taming Condenser Tube Leaks,” Part I and Part II). Dennis J. Schumerth, Valtimet’s director of business development, took issue with several of Daniels’ statements regarding the proper use of titanium condenser tubes. We have given Schumerth the opportunity to express his concerns and for Daniels to reply.

  • Increasing Generation Ramp Rate at Morgantown Generating Station’s Coal-Fired Units

    At Morgantown Generating Station, plant personnel used innovative methods to combine model predictive control with distributed control system–based process control algorithms to improve waterwall temperature control and main steam temperature control and to enhance unit ramp rate capability. The previous heat rate and NOx optimization performance gains were retained. Focusing beyond basic loops of feedwater, air, and O2, the project considered issues such as PID controller override configuration and limitations. The techniques used to overcome these challenges improved unit ramp rate capability beyond any previous unit performance.

  • POWER Digest (Feb. 2011)

    MHI to Continue Pre-Construction Work for North Anna Unit. Mitsubishi Heavy Industries Ltd. (MHI), through Mitsubishi Nuclear Energy Systems Inc., and Dominion subsidiary Virginia Electric and Power Co. on Dec. 27 said they had reached an agreement to continue pre-construction, engineering, and planning work in preparation for a third unit at Dominion’s North Anna Nuclear […]