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Power


Monthly Issue | February 1, 2013

The Shale Gas Revolution Continues

The electricity industry is being transformed by the so-called “shale gas revolution” in the United States. Production of natural gas from shale rock using hydraulic fracturing (“fracking”) has boosted supply…


Vacuum Cups to Lift Heavy Loads

Large vacuum cups from Vi-Cas Manufacturing are available in sizes up to 15 inches in diameter to lift and manipulate large, bulky, or cumbersome materials, including fabricated assemblies. Round, rectangular,…


Swing Arm–Mounted, Explosion-Proof Light

Larson Electronics’ Magnalight.com has introduced the HBLP-1MLED-SWAM stainless steel swing arm–mounted, explosion-proof light for wastewater treatment plant applications. Built with 316 stainless steel and equipped with a Class 1 and…


Powerful Tank-Cleaning Head

The new Torrent 50 tank-cleaning head from NLB Corp. delivers 3-D water jet action with the force of 600 horsepower water, and it fits through a tank or reactor opening…


Porous Components in a Variety of Refractory Metals

Mott Corp. announced the availability of porous metal components and filters in a variety of refractory metal alloys including zirconium, titanium, tungsten, molybdenum, and niobium. Known for outstanding chemical resistance,…


Recovery System for Granular Activated Carbon

The VAC-U-MAX self-contained granular activated carbon (GAC) delivery system is mounted on a self-contained skid. This system is a complete prepackaged dilute phase pneumatic conveyor system to deliver or remove…


Multiprocess Power Source

ESAB Welding & Cutting Products introduced Warrior, a new multiprocess power source and feeder designed for processes including energy generation construction, pipe welding, general fabrication, and repair and maintenance. Designed…


A Moderating Tone from the EPA on 316(b)?

Final water intake structure rules from the EPA expected this June suggest the agency may be listening to industry and even moderating its tone. Stretch goals as part of the…


Getting Distributed Energy Resources Right

Rick Tempchin, executive director, Retail Energy Services for the Edison Electric Institute, talks about the impact of distributed energy resources on utilities and their customers. The electric power industry is…


Sediment Pond Effluent pH Control

Many power plants have sediment retention ponds that require control of pH for the effluent. The following guidelines for fossil plant sediment pond pH control will help you design a…


Thermocouple Response Time Study for Steam Temperature Control, Part II

Mismatched or poorly maintained temperature sensors and thermowells can cause an often-unrecognized error in steam temperature measurement. The problem is often recognized only when sluggish steam temperature response times are…


Coordinated Feedwater Heater Energy Control

The increased use of intermittent renewable energy sources and the shift to gas-fired combustion turbines places new burdens on the dispatch of many coal-fired units. Steam units must now operate…


Plant Automation Advancements: The Australian Experience

Many recent utility greenfield and rehabilitation power projects have incorporated plant automation, with the goal of reducing the number of operators needed. The essential design principle is to specify control…


Layup Practices for Fossil Plants

Courtesy: TVA Improper layup practices are a major contributor to boiler tube failures and to steam turbine pitting and cracking in U.S. fossil plants. EPRI’s research into identifying damage mechanisms,…


Is FERC Cracking Down on Market Manipulators?

Last October, the Federal Energy Regulatory Commission (FERC) announced that it was seeking a record $470 million penalty against Barclays Bank for manipulating California energy markets for several years in…


Drum Level Instrumentation Update

Accurate knowledge of the water level in any boiler drum application is an absolute necessity. While operating a boiler with low water level is one of the leading causes of…


With Fresh Election, Japan Veers Away from Nuclear Phase-Out

A landslide victory handed by Japanese voters to the Liberal Democratic Party (LDP) in mid-December saw power in the country’s Lower House shift back to the nationalist-conservative party that had…


First U.S. Ultrasupercritical Power Plant in Operation

The U.S. saw the historic start of operations at its first ultrasupercritical coal-fired power plant last December as Southwestern Electric Power Co.’s (SWEPCO’s) 600-MW John W. Turk, Jr. Power Plant…


THE BIG PICTURE: Nuclear I&C

Progress in electronics and information technology has created incentives to replace traditional analog instrumentation and control (I&C) systems in nuclear power plants with digital I&C systems, or systems based on…


Where’s the Warming?

In case you neglected to mark it on your calendar, the Kyoto Protocol to the U.N. Framework Convention on Climate Change (UNFCC) expired at midnight on New Year’s Eve. The…


Too Dumb to Meter, Part 8

As the book title Too Dumb to Meter: Follies, Fiascoes, Dead Ends, and Duds on the U.S. Road to Atomic Energy implies, nuclear power has traveled a rough road. In…


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