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Power


Monthly Issue | May 15, 2007

Keep grid modernization a national priority

  As the possibility of national climate change legislation increases on Capitol Hill and captures the attention of the electric power community, I am concerned that regulators, legislators, and utility…


This month in POWER…

May 1885 POWER reported on the latest Twist Automatic Engine (Figure 1) in its cover story for the May 1885 issue. The editor explained that "each end of the cylinder…


Marmy’s Egyptian nightmare

Pandemonium erupted at the swanky Taufiq Cabaret on Muhammad-Ali Square in Alexandria, Egypt. It was in the wee hours of a Sunday morning when only the usual after-hours crowd was…


Could SuperCables deliver both hydrogen and electricity via a SuperGrid?

How to supply and configure an energy economy and infrastructure for a world of more than 10 billion inhabitants by mid-century is perhaps the principal long-range issue facing human civilization…


Controlling shaft voltages

The static electrical charges produced by a turbine rotor create an effect akin to the one that results from dragging your feet across a carpet in the winter when the…


DG interconnection standards remain elusive

This April, when the U.S. Department of Energy (DOE) released a report titled "The Potential Benefits of Distributed Generation and Rate Related Issues That May Impede Their Expansion," the agency…


Water chemistry an important factor to consider for cycling HRSGs

Combined-cycle plants will continue to be cycled on and off frequently as long as natural gas costs more than coal. The need to start a plant's gas turbine quickly—to meet…


Reduce stress with proper on-line rotor temperature monitoring

Steam turbine designers and researchers agree that for large units (about 300 MW and up) the ramp rates during start-up, large load changes, and other transients are mainly limited by…


Transfer ABWR construction techniques to U.S. shores

Consider these three facts: The U.S. power industry hasn't ordered a nuclear unit in several decades (the last one was completed more than 15 years ago); nuclear unit construction has…


Experts ponder future of biomass industry

One diagnosis of the state of the U.S. biomass power industry would be: schizophrenic disorder marked by disorganized thinking and lack of motivation. Another might call the patient deeply affected…


The history of POWER is the history of power

The year 1882 opened on a United States still dependent on the water wheel and steam engine. Power was made where it was used because there was no effective means…


States should cede control of renewable power to regional markets

  State policy makers are characteristically reluctant to recognize that they have advanced a policy as far as they can, and that they must cede some control to fully realize…


Focus on O&M (May 2007)

SYSTEM RELIABILITY Cyber security and the grid Too often, we think the consequences of cyber attacks are limited to disabled file servers, frantic damage control exercises by security personnel, and…


Global Monitor (May 2007)

World's largest PV plant now in Portugal The world's largest solar photovoltaic (PV) electric generating plant—at 11 MW—has come on-line in sunny Portugal. The project, in the city of Serpa,…


A rearview mirror and bright headlights

  This month's issue of POWER commemorates 125 years of continuous publishing for the power generation business. The anniversary gives us all a chance to assess where we've been and…


Not your grandfather’s power industry

  In 1882, Americans talked of John L. Sullivan, the bare-knuckles boxing heavyweight champion of the world, as horse-drawn carriages jingled along city streets. The spidery cables of the Brooklyn…


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