|

Power


Monthly Issue | February 1, 2010

Widespread Voltage Collapse Demonstrates the Importance of Generator Acceptance Testing

A September 2005 power outage that affected two million people in the California Southland was initiated when workers cut live electrical wires after consulting erroneous design drawings, but it was…


AC Power Sources for Submerged Arc Welding

ESAB Welding & Cutting Products launched the TAF 801/1251 square wave AC power sources for submerged arc welding. The power sources, designed to be used with the fully digital PEK…


Laser Alignment of Steam and Gas Turbines

LUDECA’s new CENTRALIGN ULTRA was specifically developed for the alignment of steam and gas turbines. The system precisely aligns internal elements with upper halves for distances up to 133 feet.…


New 3-D Plant Design Software

Building and engineering software designer Autodesk Inc. announced the availability of AutoCAD Plant 3D 2010, a product that it says brings the benefits of model-based design to mainstream plant design…


Water-Cooled MIG Guns and Consumables

Bernard’s new customizable W-series water-cooled MIG guns and water-cooled Centerfire consumables are designed to meet the wide-ranging needs of high-amperage, water-cooled metal inert gas (MIG) applications. The W-Guns (shown here)…


Digital Surface Chloride Testing Device

CHLOR*RID International launched the Chlor*Ion Meter, a handheld digital testing device that electronically measures chloride on surfaces with an internal ion-specific electrode. Most surface chloride testing devices offer an external…


Compact Centrifugal Pump

Acknowledging that ANSI centrifugal pumps often need to be installed in areas where space is at a premium, Griswold Pump Co. has developed the 811CC (Close Coupled) ANSI centrifugal pump.…


Mildew-Resistant Epoxy

Sherwin-Williams introduced the Tile-Clad High Solids Mildew Resistant epoxy, an industrial coating that protects against mildew growth on exterior surfaces where dampness and humidity are of concern. The epoxy is…


Laser Pulley Alignment Tool

Seiffert Industrial’s new laser pulley alignment tool, Pulley PRO, uses a green laser beam for maximum angular resolution and for reliable and accurate readings. The lightweight and compact units magnetically…


Job Site Material Recycler

The new EZ Grout Hog Crusher Job Site Material Recycler from Multiquip is easily attached to a skid steer loader or forklift and can recycle most materials — brick, block,…


New Polymers Could Mop Up Radioactive Isotopes

Scientists from Germany and India say they have developed a new polymer that reduces the amount of radioactive waste produced during routine operation of nuclear reactors. The approach uses small…


Carbon Capture Technology Based on a Blood Enzyme

The way our lungs separate and capture carbon dioxide from blood could be key to isolating emissions of the greenhouse gas in order to store them safely underground. Carbozyme, a…


California Releases Preliminary GHG Cap- and-Trade Rules

California’s Air Resources Board (ARB) in late November issued the nation’s first blueprint for a broad-based cap-and-trade program to control greenhouse gases (GHG). If they take effect in 2012 as…


POWER Digest (February 2010)

SSE Starts Up 840-MW CCGT Gas Plant. UK-based company Scottish and Southern Energy (SSE) on Dec. 10 said that a new 840-MW combined-cycle gas turbine (CCGT) power station at Marchwood,…


The Age of the 800-kV HVDC

High-voltage direct current transmission (HVDC) has come a long way since 1882 when the first of its type carried power from Miesbach in Bavaria to an electricity exhibition in Munich,…


Of Floating Power Barges and Ships

More than 60 floating power stations are in operation around the world, deploying some 4 GW at continental shores where electricity is most needed. Though these feature a variety of…


AREVA Makes Debut in Renewables with German Offshore Turbines

The first six of a dozen high-capacity turbines were commissioned in mid-December at the 60-MW Alpha Ventus project in the North Sea, Germany’s first offshore wind park. All 12 turbines…


Level the Playing Field for Open-Loop Biomass

Congress snubbed the biomass power industry in 2004 when open-loop biomass power plants were given only half the production tax credits (PTCs) received by other renewable sources, such as wind,…


Renewable Realities

"It’s anti-renewables" is becoming a familiar refrain voiced before public utility commissions, air quality management districts, and other public agencies with jurisdiction over the siting and operation of new fossil-fueled…


Digital Plant Controls Provide an Essential Edge

It’s a digital world, and even aging power plants are experiencing the benefits of digital controls technologies. The following cover stories provide insight into the latest options and inspiration for…


Nontechnical Issues Affecting Digital Upgrades at Nuclear Power Plants

Existing nuclear power plants are increasingly facing the conversion to digital instrumentation and controls technology. Meanwhile, new nuclear designs have digital technology integrated throughout the plant. Digital controls will soon…


How to Avoid Alarm Overload with Centralized Alarm Management

In 1999, the Engineering Equipment and Materials Users’ Association (EEMUA) released its general guide to the design, management, and procurement of alarm systems for industrial plants. The guidance document (EEMUA…


Low-Cost Wireless Sensors Can Improve Monitoring in Fossil-Fueled Power Plants

As equipment ages in fossil-fueled power plants, component wear leading to machinery failure increases as a result. Extending equipment life requires increased attention to maintenance, and one way to improve…


Plant Efficiency: Begin with the Right Definitions

The race is on to claim the title of "most efficient coal-fired power plant" on the planet. However, it’s tricky identifying finalists because of the widespread misuse of the term…


The Value of a Knowledge-Based Culture Grows in Lean Times

Given delays and cancellations of new generating capacity, pushing the existing power generation fleet is more important than ever. At ELECTRIC POWER 2009, multiple presentations explored the premise that an…


How Myths Distort Energy Policy

Congress and various states are considering a fundamental restructuring and regulation of our energy policy. Any such effort should be based on facts, but legislators, unfortunately, incline to myths, such…


Can Your Boiler Feed Pump Handle a Deaerator Pressure Transient?

In a typical steam power plant, the boiler feedwater (BFW) pump takes suction from the deaerator (DA) and discharges high-pressure water to the boiler through the feedwater heaters. During normal…


The Advanced Digital Fieldbus Option for Nuclear Plants

Digital fieldbus technologies, including Foundation fieldbus and Profibus, are increasingly being used with success in the nuclear and fossil fuel power industries. This article compares a conventional control system with…


Concerns About Electromagnetic Interference in Nuclear Plants Related to Digital Upgrades

In order to operate aging nuclear power plant instrumentation and control systems for up to 60 more years or longer, there must be a smooth transition from existing analog technologies…


Norway Inaugurates Osmotic Power Plant

One of the world’s first osmotic power plants started operation at Tofte on the Oslo fjord in Norway last November, producing 2 kW to 4 kW after more than a…


We are first in your inbox with the most important news in the industry―keeping you smarter and one-step ahead in this ever-changing and competitive market.