2016-17
GTW Handbook

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2016 Back Issues

January-February 2016

 

Performance Specs, 32nd Edition

Volume 46 No. 1

 

Simple Cycle Gensets

Design ratings for more than 260 gas turbine gensets available for 50/60-Hz power generation, industrial cogeneration and utility combined heat and power projects.

Annual update by GTW staff, pp 4 to 20

 

Combined Cycle Plants

Design ratings for 1x1 and 2x1 combined cycle configurations operating without supplementary fired HRSGs and without selective catalytic reduction for emissions abatement.

Annual update by GTW staff, pp 22 to 37

 

Mechanical Drive Power

Design ratings for aeroderivative and industrial frame gas turbines available for offshore platform and land based oil and gas, petrochemical and LNG projects.

Annual update by GTW staff, pp 38 to 45

 

Marine Drive Gas Turbines

Design ratings for marine gas turbines available for military and commercial ship propulsion, shipboard electric power generation and offshore platform power projects.

Annual update by GTW staff, pp 46 to 48

 

 

March-April 2016

 

Volume 46 No. 2

 

LM6000-PF+ offers more power and higher efficiency

The LM6000 aeroderivative gas turbine has been improved continuously since its introduction in the 1990s. The latest development, the LM6000-PF+, is the most powerful gas turbine in the LM6000 family and will have applications in both the power generation and oil and gas industries.

By David Flin, pp 12-14

 

Indirect hydrogen-cooling in 900 MVA-class generator

Mitsubishi Electric has developed a 900 MVA generator, adopting hydrogen as an indirect coolant for the first time in a generator of this size, without the need for a peripheral facility for water coolant.

By David Flin, pp 16-18

 

Solving steam turbine vibrations to optimize performance and reliability: the RISEC experience

GE’s New Enhanced Steam Path (ESP) options for D11 steam turbines provide cost-effective solutions – maximizing value by increasing high pressure- and intermediate-pressure section efficiencies and reducing outage durations – while dramatically improving turbine reliability and availability.

By Troy Michaud and Bernard Norris, pp 20-23

 

Reliability and Flexibility are the Keys

Manufacturers are constantly updating and upgrading designs, but can gas turbines designed in the 1990s compete with modern designs? The recent order for SGT6-5000F gas turbines for the Keys Energy Center combined cycle plant shows that such turbines, which have been upgraded over the years, are still well suited to many markets.

By David Flin, pp 24-27

 

Frame 9F.03 GTs will provide low lifecycle cost
at Bismayah

Eight GE Frame 9F.03 gas turbines have been selected for the 3GW Bismayah power plant in Iraq. The high reliability and low lifecycle costs of the units make them well suited to the country’s growing need for more gas turbine combined cycle capacity.

By Junior Isles, pp 28-30

 

Oil-free bearings demonstrated
at Jänschwalde power station

The trial run of the first steam turbine equipped with oil-free magnetic bearings has been successfully completed at Vattenfall’s lignite-fired Jänschwalde power plant. GTW looks at the technology and asks whether there is a possibility for its use in combined cycle or gas turbine applications.

By Junior Isles, pp 32-36

 

 

 

May-June 2016

 

Volume 46 No. 3

 

Gas turbine orders on a path to recovery
and global growth

Global industrial gas turbine orders for the Electric Utility sector should rise to 500 units in 2020 from about 450 units this year. The Oil & Gas sector should continue to recover from a record low of 350 units this year and climb to 550 units over the next 5 years.

By Anthony Brough, pp 12-15

 

Block Fortuna sets three world records

The Block Fortuna combined heat and power plant in Düsseldorf is now in commercial operation.

Gas Turbine World visited this futuristic-looking plant, which has set several world records.

By Junior Isles, pp 16-20

 

Monitoring and diagnosing the peaks

The issues to address when monitoring a fleet of gas turbine peaking units are different to those for base load units. The right monitoring and diagnostic system, however, can be instrumental in playing a key role in a preventive maintenance program that prevents unscheduled downtime.

By Jonathan Aylett, pp 22-25

 

Back to the future for 65%-plus combined
cycle plant efficiencies

All the engineering ingredients are available for a super-efficient Brayton cycle that operates at a modest 2550°F turbine inlet temperature while delivering an eye-opening 66% net combined cycle plant efficiency.

By S. C. Gülen, pp 26-32

 

Thermal barrier coatings inch towards 1500°C

Researchers from HiFunda and the University of Connecticut have successfully demonstrated that a new process, solution precursor plasma spray, provides a thermal barrier coating with the potential for use at 1500°C.

By David Flin, pp 33-39

September-October 2016

 

Volume 46 No. 4

 

A business intelligence portal for reliability benchmarking and analytics

SPS’ new analytics portal is seen as a paradigm shift in terms of how SPS communicates and reports reliability, availability and maintainability metrics to its ORAP customers.

By Vic deBiasi, pp 12-14

 

Advanced heavy-duty developments for the 50 Hz market

Mitsubishi Hitachi Power Systems has recently achieved two important milestones in the development of its heavy-duty gas turbines for the 50 Hz market. The first two M701J units are now in commercial operation, while a new upgraded M701F has been introduced and commissioned.

By Junior Isles, pp 16-20

 

Digitalization delivers smarter GT service

Digitalization has become the latest buzzword in the industry. GTW decided to take a look at the “digital revolution” to see just what it can mean to owners and operators of their gas turbine-based power generating assets.

By Harry Jaeger, pp 22-25

 

Supercritical CO – What Is It Good For?

Supercritical CO2 as a working fluid in a compact turbomachine is a remarkable enabler of efficiency, but a significant amount of “junk science” is being peddled around. Bechtel’s John Gülen separates seriously worthy projects from the proverbial snake oil.

By S. C. Gülen, pp 26-34

 

Reciprocating compressors for fuel gas boosting

Reciprocating compressors can deliver superior performance, efficiency, reliability and flexibility over integrally geared centrifugal and screw alternatives. Gas Turbine World explores.

By Scott Nolen, pp 36-38

 

November-December 2016

 

Volume 46 No. 5

 

If you can dream it, you can print it

Additive Manufacturing (AM) could be a game changer in the prototyping, manufacture and repair of certain gas turbine parts. GTW visited Siemens’ industrial AM workshop in Sweden to see first-hand what the technology means for the industry and the company.

By Junior Isles, pp 14-17

 

Methanol fuel in commercial operation on land and sea

Methanol has been considered a possible alternative fuel in gas turbines and reciprocating engines for decades due to its clean burning characteristics. Recent global constraints on emissions have prompted a renewed interest in the fuel, particularly as an applicable solution in isolated areas on land and in near-land areas at sea. GTW looks at a current existing methanol conversion project for a land-based gas turbine and a marine conversion of reciprocating engines, both now in commercial operation.

By William H. Day, pp 18-23

 

Developments in HRSG technology

The growth in demand for high-efficiency combined cycle power plants has led to a growth in demand for heat recovery steam generators (HRSGs),the link between gas and steam turbines in the combined cycle system. So how are HRSGs developing? GTW speaks to key HRSG manufacturers.

By David Flin, pp 24-29

 

All At Sea

The ‘Combined Gas Turbine Electric and Steam’ (COGES) system is becoming increasingly popular as a driver for maritime vessels, replacing medium-speed diesels as the power unit of choice in a number of applications. GTW speaks to GE about the benefits of COGES systems.

By David Flin, pp 31-33

 

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