Power Engineering

Table of Contents

11/01/2011
Volume 115, Issue 11
  • Features

    • Special Report: Nuclear Power Executive Roundtable

      The safety of nuclear power as well as the prospects for new plants have been questioned since the events at the Fukushima Daiichi power plant in Japan begun unfolding on March 11, 2011.

    • Harry Allen Generating Station Begins Operations

      In May 2011, NV Energy dedicated the new 484 MW combined-cycle addition at the existing 144 MW Harry Allen Generating Station.

    • Selective Catalytic Reduction: Operational Issues and Guidelines

      Increasingly stringent nitrogen oxide (NOx) control regulations are propelling the installation of selective catalytic reduction (SCR) systems on coal-fired power boilers, simple-cycle combustion turbines and combined-cycle units.

    • Wind Farm Transformer Design Considerations

      Each turbine in a wind farm is equipped with a step-up transformer, which boosts (steps up) turbine generator output voltage from a few hundred volts to the collector system's medium voltage distribution levels.

    • Unresolved Water Law Issues and Renewable Energy

      Climate-change concerns and a shift in political priorities have spurred growing interest in the development of renewable energy resources.

    • Hyperbolic Repack on the Run

      One of the industry's first hyperbolic repack of its kind was completed last year at the Alabama Power Co.'s Miller Steam Plant.

    • Siting Gas-fired Power Plants

      By now, most individuals in the power industry are well aware of the new "natural gas boom" that has been predicted over the last couple of years.

    • Cyber Security for Industrial Control Systems

      A virus that causes catastrophic damage to a turbine and generator—could it really happen?

    • Analyzing and Improving Control Loop Performance

      Power plants—especially coal-fired boilers—pose a set of process control problems unparalleled in other industries.

    • Outage Readiness Assessment

      In today's power generation world, we're faced with a double whammy. First, the economics of the past several years has led to many planned outages being postponed.

    • How the Tier 4 Rule Affects Generator Specification

      The more stringent Tier 4 emissions standards for non-road diesel engines adopted by the U.S. Environmental Protection Agency in May 2004 are intended to significantly reduce (by about 90 percent) the emissions of non-road construction, agricultural, mining and industrial equipment that at the time accounted for nearly half of all diesel particulate matter and a quarter of all nitrogen oxide (NOx) emissions nationwide.

    • Circulating Dry Scrubbers: A New Wave in FGD?

      The U.S. Environmental Protection Agency's (EPA's) Cross State Air Pollution Rule (CSAPR) and other evolving regulations including Utility MACT (Maximum Achievable Control Technology) are already inducing many changes to the coal-fired power industry.

    • Hydropower Takes Center Stage for AMP

      While renewable energy advocates have been pushing for solar and wind over the last few years, American Municipal Power Inc. (AMP), based in Columbus, Ohio, has chosen hydropower as its paramount renewable.

    • Which States Represent the Best Markets for Small Wind?

      The solar photovoltaic (PV) market is booming in the U.S. and worldwide, thanks to increasing support from local and federal governments.

    • Understanding 316(b)

      Owners and operators of electric power generating stations have waited more than four years to see the U.S. Environmental Protection Agency's (EPA's) revised version of the Clean Water Act §316(b) Phase II rule for cooling water intake structures at existing power plants.

  • Departments

    • Feedback

      • To the Editor:

        Robynn Andracsek is spot-on in her Clearing the Air, "Seeking Certainty" (September 2011) observations.

    • Opinion

    • Clearing the Air

      • Catalytic Events and Common Sense

        Scott Rasmussen, president of Rasmussen Reports, was the keynote speaker at the September 2011 meeting of the National Coal Transportation Association.

    • View on Renewables

      • Solar Poised for Explosive Growth

        Federal tax credits and state renewable portfolio standards have jumpstarted the utility market for solar photovoltaic (PV) projects during the past year.

    • Nuclear Reactions

      • When EF Hutton Talks…

        Many of you will recall the EF Hutton commercials from the 1970s and early 1980s that stated, "When EF Hutton talks, people listen.

    • What Works

      • Producing Reliable Power in the Hospital Setting

        Ensuring power reliability for Northwestern Memorial Hospital's new Prentice Women's Hospital in downtown Chicago was a challenging project for contractor Environmental Systems Design (ESD).

    • Products

      • Micro inverters

        Enecsys Limited introduced new 480 W and 360 W Enecsys Duo micro inverters products and solar photovoltaic (PV) monitoring systems.

    • Generating Buzz

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