POWER [April 1, 2019]

Cover Stories

Improving Safety and Efficiency with Reality Capture

Reality capture uses laser scanning hardware to record the as-built conditions of any environment in a series of scans. These scans, once stitched together, create a holistic picture of structures, equipment

Managing Thermal Quench Damage at Power Plants

Attemperation equipment is necessary to control steam temperatures at many power plants. However, when the equipment functions improperly or the design is flawed, thermal quenching/shock can damage piping

Proper Valve Trim Extends Life of Boiler Feedwater Valves

Boiler feedwater valves operate under severe service conditions and are subject to premature failure from seat leakage, cavitation, particulates, and frequent cycling. However, once the type and root cause of

Features

Controlling Boiler Level When Operating Conditions Change

The right level instrumentation is key to keeping boilers on an even keel. Guided-wave radar offers a critical combination of capabilities. If asked to make a short list of factors able to improve heat rate

Inside NET Power: Gas Power Goes Supercritical 

A project to demonstrate a novel power cycle that promises to produce low-cost, reliable, and flexible power from natural gas—while generating no atmospheric emissions, and fully capturing carbon dioxide—is inching…

Is a Faster-Than-Real-Time Energy Management System Within Reach?

Creating a faster-than-real-time Energy Management System (EMS) is a huge challenge for the power industry. In order to be considered faster-than-real-time, the EMS must be capable of executing within a

Optimizing Kaplan Turbine Efficiency with Minimal Cost, Effort, and Time

When the blades of individual Kaplan turbines are not continuously adjusted to achieve peak efficiency, the result is non-optimal performance and unnecessarily high mortality of downstream migrating fish

Plenty of Natural Gas to Go Around—It Just Needs a Market

Demand growth for natural gas for power generation may have slowed in the U.S., as renewable resources continue to take market share. With U.S. production continuing to hit record highs, and new gas-fired

Show Preview: ELECTRIC POWER

The ELECTRIC POWER Conference + Exhibition celebrates its 21st birthday this year, with the event scheduled for April 23–26 at the Mirage Events Center in Las Vegas, Nevada. ELECTRIC POWER for the past two

The Economic Thicket of Generating Cost Comparisons

Comparing the costs of differing electric generating technologies has become popular among advocates for particular technologies and those seeking to find the optimal approach to new generation. While getting

Departments

Commentary

Energy Resilience Demands Action—Just Not This One

In an apparent attempt to show supporters he is making good on his pledge to revive the dying coal industry, President Trump has been trying to find a way to funnel tens of billions of dollars to a small

Legal & Regulatory

States Seek Financial Tools to Replace Coal with Clean Energy

Colorado lawmakers are considering legislation (HB19-1037) designed to help the state’s investor-owned utilities gracefully back out of non-economic coal-fired power plants. Colorado is at the forefront of

Focus on O&M

Analytical Tool Helps HRSG Operators Compare Equipment Reliability

Ever since deregulation came to the power industry, combined cycle plant managers have been trying to benchmark their production metrics and cycling costs against those of their competitors. There has always

Using Infrared Drone Technology to Inspect Solar Panels and Wind Turbines

An East Coast industrial plant had for months experienced a significant dropoff in energy production from its 36,000-square-foot solar field. The plant’s maintenance team had been unable to find any problems

Global Monitor

Autonomous Power Plant Takes Shape in Japan

The world’s first autonomous combined cycle power plant is currently under construction at the Takasago Machinery Works facility in Japan, and it will be operational by 2020, according to Mitsubishi Hitachi

Flexible Operation of Nuclear Power Plants Ramps Up

A widespread misconception persists that nuclear plants can only function as inflexible baseload sources of power—and it’s hurting prospects for the nuclear sector’s role in the world’s future power

India Installs Its First Grid-Scale Battery Storage System

India’s first grid-scale battery-based energy storage system was launched in February. The 10-MW system is owned by AES Corp. and Mitsubishi Corp., and operated by Tata Power Delhi Distribution Ltd. (Tata

Off-Grid Microgrid: Solar + Batteries + Thermal Generation

Today’s microgrid installations showcase a variety of configurations and control systems. Commercial and industrial sites are finding innovative ways to power their operations, particularly those in remote

POWER Digest (April 2019): News Briefs from Around the World

The Netherlands Orders Early Closure of Coal Plants. The Dutch government on March 8 told Swedish power producer Vattenfall to stop using coal at the 650-MW Hemweg-8 hard coal-fired unit in Amsterdam by the


Speaking of Power

Replacing Retirees and Improving Reliability High on To-Do Lists

What keeps you up at night? The question has become cliché as panel moderators now routinely ask it as a “thought-provoking” final query to close out executive roundtable sessions at industry conferences

GBR Reports