3,705 resources related to Cogeneration
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Energy conversion and conditioning technologies, power electronics, adjustable speed drives and their applications, power electronics for smarter grid, energy efficiency,technologies for sustainable energy systems, converters and power supplies
The Annual Meeting is a gathering of experts who work and conduct research in the industrial applications of electrical systems.
2020 IEEE International Conference on Industrial Technology (ICIT)
ICIT focuses on industrial and manufacturing applications of electronics, controls, communications, instrumentation, and computational intelligence.
IEEE International Conference on Plasma Science (ICOPS) is an annual conference coordinated by the Plasma Science and Application Committee (PSAC) of the IEEE Nuclear & Plasma Sciences Society.
The Annual IEEE PES General Meeting will bring together over 2900 attendees for technical sessions, administrative sessions, super sessions, poster sessions, student programs, awards ceremonies, committee meetings, tutorials and more
The IEEE Aerospace and Electronic Systems Magazine publishes articles concerned with the various aspects of systems for space, air, ocean, or ground environments.
Contains articles on the applications and other relevant technology. Electronic applications include analog and digital circuits employing thin films and active devices such as Josephson junctions. Power applications include magnet design as well asmotors, generators, and power transmission
The IEEE Transactions on Automation Sciences and Engineering (T-ASE) publishes fundamental papers on Automation, emphasizing scientific results that advance efficiency, quality, productivity, and reliability. T-ASE encourages interdisciplinary approaches from computer science, control systems, electrical engineering, mathematics, mechanical engineering, operations research, and other fields. We welcome results relevant to industries such as agriculture, biotechnology, healthcare, home automation, maintenance, manufacturing, pharmaceuticals, retail, ...
Serves as a compendium for papers on the technological advances in control engineering and as an archival publication which will bridge the gap between theory and practice. Papers will highlight the latest knowledge, exploratory developments, and practical applications in all aspects of the technology needed to implement control systems from analysis and design through simulation and hardware.
Educational methods, technology, and programs; history of technology; impact of evolving research on education.
IEE Colloquium on Combined Cycle/Cogeneration Systems, 1995
2008 IEEE Power and Energy Society General Meeting - Conversion and Delivery of Electrical Energy in the 21st Century, 2008
The activities and present state of R&D and deployment of residential fuel cells in Japan are presented. More than 2,000 fuel cell systems using polymer electrolyte membrane fuel cells (PEFC) have been installed to general homes by the end of 2007. The development of residential solid oxide fuel cell (SOFC) systems is also being promoted toward market launch. The activities ...
IEE Colloquium on Combined Cycle/Cogeneration Systems, 1995
This paper is in two halves: a general overview of the Teesside Project followed by a description of the Dowty protection system between the generating units and the two gas installed substations. The Teesside Power Station is by far the largest independent power station in the UK. It comprises an 1875 MW combined-cycle gas turbine cogeneration plant (CCGT) and has ...
2018 XIV International Scientific-Technical Conference on Actual Problems of Electronics Instrument Engineering (APEIE), 2018
In recent years, there is an increasing attention to distributed generation in Russia. Distributed generation power systems often use cogeneration (combined heat and power generation) technology. In this paper, the influence of heat consumption at generating equipment loading in cogeneration system is investigated. As an example of cogeneration system, the distributed generation object using gas piston units is taken. In ...
2016 IEEE Smart Energy Grid Engineering (SEGE), 2016
Cogeneration refers to the generation of combined heat and power (CHP), which is more efficient than a central power plant generating only electricity. The proportion of power generation using CHP is growing world-wide due to efficiency improvements and environmental benefits. Exhaust heat from GT power plants can be fed to boilers for producing steam. Steam is used for reservoir flooding, ...
The activities and present state of R&D and deployment of residential fuel cells in Japan are presented. More than 2,000 fuel cell systems using polymer electrolyte membrane fuel cells (PEFC) have been installed to general homes by the end of 2007. The development of residential solid oxide fuel cell (SOFC) systems is also being promoted toward market launch. The activities of Osaka Gas Ltd. are reported as an example of industrial sector. Osaka Gas is an active leader on residential cogeneration systems, and succeeded on residential micro-gas engine and PEM fuel cell cogeneration systems. The stories on the R&D of fuel cell cogeneration systems, especially on the control strategy improvement for energy saving are presented. The future prospective by authors was also addressed.
This paper is in two halves: a general overview of the Teesside Project followed by a description of the Dowty protection system between the generating units and the two gas installed substations. The Teesside Power Station is by far the largest independent power station in the UK. It comprises an 1875 MW combined-cycle gas turbine cogeneration plant (CCGT) and has the giant ICI Wilton site as a steam host. The authors describe the main features of the plant, the balance of the plant, process control and staffing. The authors then describe the Dowty pilot wire interface and digital channel protection scheme.<<ETX>>
In recent years, there is an increasing attention to distributed generation in Russia. Distributed generation power systems often use cogeneration (combined heat and power generation) technology. In this paper, the influence of heat consumption at generating equipment loading in cogeneration system is investigated. As an example of cogeneration system, the distributed generation object using gas piston units is taken. In the course of the research, it was found that fuel use efficiency can be increased due to connection the cogeneration plant to the system. Connection to the system allows to vary the generated active power thereby changing the generation of heat energy through cogeneration and to reduce the fuel costs of the station. Also, in the course of the research it was found that the coefficient of fuel utilization is directly proportional to the power loading of cogeneration equipment and is inversely proportional to the number of operating generators. With the correct optimization and connection to the system, it is possible to improve various indicators, including more efficient use of fuel at the station, which in turn will reduce costs and emissions into the earth's environment.
Cogeneration refers to the generation of combined heat and power (CHP), which is more efficient than a central power plant generating only electricity. The proportion of power generation using CHP is growing world-wide due to efficiency improvements and environmental benefits. Exhaust heat from GT power plants can be fed to boilers for producing steam. Steam is used for reservoir flooding, petrochemical industries, food processing etc. Operational gas turbine power generation plants can be retrofitted to co-generation power plant to produce steam in addition to electrical power. A computational preliminary economic feasibility study of retrofitting a given existing gas turbine power generation plant into a co-generation power plant is presented in this paper. A 80 MW GE-6111FA frame has been selected for the present study. The work includes the effect of relative humidity (RH), ambient air temperature, etc., on economics of the power plant. GTPRO/PEACE software has been used for carrying out the analysis. The RH and temperature have been varied from 30 to 45 % and from 80 to 100° F, respectively. For a decrease of inlet air temperature by 10 °F, net plant output and efficiency have been found to increase by 4.3 and 1.4 %, respectively for GT only situation. However, for GT with cogeneration scenario, for a decrease of inlet air temperature by 10 °F, net plant efficiency has been found to be increased from 33.3 % (GT only) to 63.4 % (cogeneration). For situations with and without cogeneration, break even fuel price has been found to vary from 2.6 to 3.0 USD/MMBTU respectively and break even electricity price have been found to vary from 0.018 to 0.022 USD/kWh respectively. For the simulation conducted, emission has been found to be 344352 ton/year.
Focusing on solving the interference of the heating supply and power generation under relatively high heating load conditions, heating-power decoupling of the cogeneration units can lower the power output of the generation units to a great extent while meeting the external heating load requirement. With its distinctive advantage of low investment, the solution of the existing heating steam system modification is strongly recommended for increasing the flexibility of the cogeneration unit. Model-based software is utilized for the performance simulation of the 300MW subcritical cogeneration unit manufactured by STC under various heating steam modification schemes. Three possible heating steam modification schemes are considered in the modeling building-up process, and the critical operation parameters and limits are explained for the modification schemes. The high pressure supplement steam is taken from the IP turbine inlet hot reheat steam and HP turbine exhaust cold reheat steam and No.4 steam extraction respectively for Scheme No.1, No.2 and No.3. The results of the minimum power loading capability under maximum heating load condition are calculated. It is shown that with the increase of the proportion of the high pressure steam, the minimum load that could be reached is decreased while maintaining the maximum heating load. From the point view of the peak load adjustment improvement, scheme No.1 has apparent and significant effect and scheme No.2 has average and moderate effect while scheme No.3 has the worst effect. The performance data of the unit is also provided for the various modification schemes. It's shown that the unit performance under 200t/h IP inlet heating steam condition in scheme No.1 is very close to the 75% heating load condition of the original IP-LP crossover piping heating steam scheme.
This article deals with general modelling of cogeneration units. It provides substantial information about cogeneration units. Development of cogeneration units has experienced an evident boom over the recent years. These are significant sources of both heat and electric power. That is the reason for seeking the fastest and the cheapest method to design a cogeneration unit with optimal performance. The fastest and still the cheapest method is modelling, as desribed by this article. It shows a model of a cogeneration unit with the electric power of 140kWe and the heating power of 207kWt (140kWe/207kWt).
At present, distributed generation (DG) has been a research focus all over the world. As a kind of DG system, cogeneration system utilizing waste heat from sintering-cooling process plays an important role in modern iron and steel enterprises. In this paper, we studied the composition and characteristics of waste heat resources. Based on the first and second thermodynamic laws, the cogeneration system is a typical process of energy recovery, conversion and utilization. We analyzed the quantity of waste heat in the sinter cooler by the first thermodynamic law, and evaluated the quality and the exergy efficiency of the waste gas by second thermodynamic law. Took a cooler system as an example, we detailed waste heat power generation system. For the overall process, the results reveal that the cogeneration system is a typical process of energy conversion and utilization. The main links of DG system are waste heat recovery, conversion and utilization, in which waste heat recovery link is the main factor affecting the cogeneration generation. The structural and operating parameters of the cooler are the main factors affecting the recovery, in turn are the main factors affecting the generating capacity. Appropriate cooler system operation and structural parameters is the key to solve the cogeneration system problem.
This paper presents the improvement of the voltage sags for the semiconductor fabrication facility by the installation of cogeneration systems. The critical equipment is evaluated against the SEMI F47 and ITIC power quality documents. The cogeneration system is installed to mitigate the voltage sags due to external system faults. Also, the under voltage relays to disconnect the cogeneration system from the utility are designed by considering the critical clearing times at the point of common coupling and voltage sags ride-through curves. The dynamic responses of different fault conditions are executed by using the transient stability analysis to calculate and define the voltage sags ride-through curves with and without considering the disconnection of the cogeneration system. It is concluded that the voltage sags ride-through capability can be improved greatly if the cogeneration systems are performed to trip accurately according to the under voltage relays design proposed by the paper.
Bio-mass power cogeneration plant, generating power and heat by using straws, stalks or other biomass energy, is one of the latest types of the energy conservation and pollutant reduction construction projects. Study on water resources feasibility demonstration is one essential approach to achieve sustainable utilization of water resources for construction projects. Based on a typical example of power cogeneration plant in cold region-Yi'an bio-mass power cogeneration plant, strategy and method of water resources study is explicitly analyzed and summarized, which provide an entire operational system of tactic for water resources feasibility study on bio-mass power cogeneration plant especially in cold area and enrich the research and practical theory for water resources feasibility study of construction projects.
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