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0136: Guidelines for Conversion of Pulverized Coal Fired Units to Natural Gas

Recent economic and environmental factors have created a growing interest in developing options on how best to leverage existing coal power plant assets. Recent environmental regulations require that many existing coal power plants invest in air quality control system upgrades to permit their continued operation. The recent decline in natural gas prices has driven greater interest in the use of natural gas for power generation. There is a desire to re-use existing coal plants since they are like

May 3, 2013 - Dec 20, 2013

TGIG

Research

G31: Development of An Effective Nde Method To Detect Areas of Lack of Bond Between Mating Surfaces of Fibreglass Piping

The objective of this project was "to develop a simple non-destructive examination procedure and supporting technique, to be used by utilities during the installation of fiberglass piping systems. This procedure will be used to determine the percentage of disbond mating surfaces when installing fiberglass piping systems".

TGIG

Research

0129: Utilization of Fossil Plant CO2 for the Production of Syngas for Synthetic Fuels and Chemicals

This document summarizes the work performed by SAS to study the utilization of heat as hightemperature steam and CO2 from a fossil fuel power plant. The study also focused on the use ofelectricity from the grid to produce syngas using high-temperature co-electrolysis (HTCE)technology. This technology uses solid oxide electrolysis cells (SOECs) operating at hightemperatures. The study included a literature review of the latest developments in HTCE, selectionof a baseline power plant and developme

Feb 7, 2012 - May 15, 2013

TGIG

Research

G31: Material Related Problems & Challenges In Power Engineering Devices

TGIG

Research

0150: Optimization of Natural Gas Fired Combined Cycle Gas Turbines CCGT Power Plant Modifications to Improve Cyclic Performance

The study provides information on plant improvements for 20 to 25-year-old 2x1 F-class type CCGT facilities that were originally designed for base load operation and are now cycling daily or twice daily. Emphasis is on steam turbine (ST) and HRSG improvements that reduce cyclic failure mechanisms that cause component failures. Recommendations are provided on groups of improvements based on OEM or third person specialize contractor (OEM-TP) involvement, balance of plant (BOP) improvements, cost o

Feb 4, 2020 - Jun 4, 2021

TGIG

Research

0149: Optimization of Coal-Fired Power Plant Modifications to Improve Cyclic Performance

This study examines improvements to coal-fired power plants to adapt base-loaded units to cyclingoperation. The primary goal of the study is to prioritize the required improvements to a cycling powerplant (based on studies that have been conducted and provided) such that operators can select themodifications to be implemented from a cost-benefit perspective. The benefit of improvementprojects is quantified in terms of avoided forced outage hours (FOH). Literature sources wereconsulted to develop

Feb 4, 2020 - Jun 4, 2021

TGIG

Research

0127: Replacement of Components in Aging Power Plant Boilers & HRSGs - Technical and Material Issues

This 12-month-long project was conducted to help and support the process of making decisions and undertaking component replacement in ageing power plant boilers and heat recovery steam generators (HRSGs). This final report provides the background knowledge and data/information required for undertaking this complex and difficult task, which needs both a good understanding of the technical and material issues involved and the commercial considerations required. This approximately 500-page-long doc

Apr 7, 2010 - Jun 2, 2011

TGIG

Research

0122: Boiler Tube Erosion in Thermal Power Plants

The work reported here comprised identification and quantification of the limits of the majorparameters determining coal quality and their preparation, effect of operating factors onpredominant erosion mechanisms, erosion rate and preferable locations. Also included in the reportis a critical review of the current state of the art of boiler erosion mechanisms, description of theeffectiveness of various erosion protection methods used to limit the deleterious effects of differentdegradation mecha

TGIG

Research

0132: Evaluating the Benefits of Optimized Condenser Cleaning

Poor condenser performance affects the economic value of a fossil or nuclear unit in two primaryways: it degrades the heat rate of a unit, thereby requiring more fuel and producing more emissionsfor a given unit generation; and it can reduce the maximum power output of a unit during peak loadperiods. An increase in condenser pressure of a few tenths of an inch (in. Hg) can decrease a unit’sefficiency by one percent. For a 500 MW unit, this is worth $771,000 per year in fuel costs alone(10,

Jan 9, 2012 - Feb 1, 2013

TGIG

Research

0125: Damage to Conventional Power Plants Due to Cyclic Operation and Guidelines for Best Practices

The study is intended to provide information and data, both technical and financial, on the effect of two shift operation on key items of plant equipment, in a typical range of plant built between 1965 and the present. The purpose of the study is: a) To highlight the main factors that increase the operations and maintenance (O&M) costs with a view to discussing the feasibility of technical and management palliatives required to minimise or control such costs.b) To increase plant availabilityc)

Jan 2, 2008 - Apr 1, 2009

TGIG

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