Relevant bibliographies by topics / Electrohydraulic regulation of steam turbine

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Electrohydraulic regulation of steam turbine'

Author: Grafiati
Published: 4 June 2021
Last updated: 9 February 2022

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Journal articles on the topic "Electrohydraulic regulation of steam turbine"

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Yan, Guishan, Zhenlin Jin, Tiangui Zhang, and Penghui Zhao. "Position Control Study on Pump-Controlled Servomotor for Steam Control Valve." Processes 9, no. 2 (2021): 221. http://dx.doi.org/10.3390/pr9020221.

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In steam turbine control and actuation, the steam control valve plays a key role in operability and reliability. The electrohydraulic regulating system for the steam control valve, usually called the servomotor, needs to be reliable and high performing under nonlinear excitation interference in actual conditions. Currently, electrohydraulic servo valve control technology is widely used in servomotors. Although this technology has good control performance, it still has some technical defects, such as poor antipollution ability, low energy efficiency, large volume size, and limited installation
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Novoselov, V. B. "Investigation and optimization of parameters of the electrohydraulic control system of a steam turbine." Thermal Engineering 56, no. 4 (2009): 299–304. http://dx.doi.org/10.1134/s0040601509040077.

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Raina, Faisal Mushtaq, and Gagan Deep Yadav. "Frequency Regulation in Wind Turbine and Steam Turbine based Power System." International Journal of Trend in Scientific Research and Development Volume-1, Issue-6 (2017): 197–205. http://dx.doi.org/10.31142/ijtsrd2412.

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Efimov, Nikolai N., Sergei V. Skubienko, Vadim V. Kopitsa, Dmitry V. Stepovoy, Alexander D. Ovechkin, and Vasiliy N. Baltyan. "Analysis of wet-steam microturbine self-regulation characteristics." MATEC Web of Conferences 226 (2018): 01010. http://dx.doi.org/10.1051/matecconf/201822601010.

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The paper analyzes the characteristics of a wet-steam microturbine self-regulation with a constant and variable consumption of a wet steam, depending on the rotor speed of the turbine. The characteristics of self-regulation are the electric power, the consumption load and the torque generated on the microturbine blades. The dependence of electric power on the rotation speed for a wet-steam microturbine with a power of 5 kW is constructed.
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Liu, Jie, and Chang Yi Jin. "Research on Applications of EPKS C300 System to Steam Turbine and Boiler." Advanced Materials Research 706-708 (June 2013): 1511–15. http://dx.doi.org/10.4028/www.scientific.net/amr.706-708.1511.

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A new HONEWELL process controlling system, namely EPKS C300, was systematically introduced. Applications of the system to 7# steam turbine and 9# boiler in the Baling Petrochemical Thermal Power Division and some important controlling strategies have been briefly investigated. EPKS C300 was used for the technical reform of the steam turbine and boiler. SCM sequence control, drum level three impulse control and DEH system modification were implemented on the boiler. With the help of FSSS system, furnace safety monitoring, automatic speed regulation of steam turbine unit, load automatic control
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Pawlak, Mariusz, Janusz Buchta, and Andrzej Oziemski. "Fault diagnosis of sensors in the control system of a steam turbine." Journal of Automation, Electronics and Electrical Engineering 1, no. 1 (2019): 29–36. http://dx.doi.org/10.24136/jaeee.2019.004.

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A diagnostic and control system for a turbine is presented. The influence of the turbine controller on regulation processes in the power system is described. Measured quantities have been characterized and methods for detecting errors have been determined. The paper presents the application of fuzzy neural networks (fuzzy-NNs) for diagnosing sensor faults in the control systems of a steam turbine. The structure of the fuzzy-NN model and the model’s method of learning, based on measurement data, are presented. Fuzzy-NNs are used to detect faults procedures. The fuzzy-NN models are created and v
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Radmilovic, Nebojsa, Slavisa Stojakovic, and Goran Kvascev. "One solution of main controller in thermal power plants." Journal of Automatic Control 18, no. 1 (2008): 5–8. http://dx.doi.org/10.2298/jac0801005r.

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This paper describes functionality between pressure regulation of steam boiler and electrical power regulation of turbine-generator system at thermal power plants. Importans of this control is essentially in coordinate work mode when these complex and non-linear systems have to work as one integrated entity with tendency to produce electrical power at optimal and stable way. Steam generator - boiler is system with long transport delay and here is recommendation for improving pressure regulation. This regulation realized at thermal power plant nominal power 308MW and given working results in re
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Sultanov, M. M., and E. V. Kuryanova. "Research of the application of hydrogen as a fuel to improve energy and environmental performance of gas turbine plants." Power engineering: research, equipment, technology 23, no. 2 (2021): 46–55. http://dx.doi.org/10.30724/1998-9903-2021-23-2-46-55.

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THE PURPOSE. To consider various variants of thermal schemes of power plants and to assess the main technical and economic parameters. The article presents the results of the development of schemes of electric power plants with a capacity of up to 100 kW with a steam-generating hydrogen-oxygen plant for modeling and selecting effective options for thermal schemes of microgeneration power plants at the stage of design and development of energy systems. METHODS. The analysis of the proposed variants of thermal schemes with a hydrogen-oxygen steam generator, including circuit solutions of micro-g
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Becirovic, Elvisa, Jakub Osmic, Mirza Kusljugic, and Nedjeljko Peric. "Design of Model Reference Controller of Variable Speed Wind Generators for Frequency Regulation Contribution." International Journal of Computers 15 (March 22, 2021): 14–22. http://dx.doi.org/10.46300/9108.2021.15.3.

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This paper presents a novel control algorithm for variable speed wind generators (VSWG), designed to provide support to grid frequency regulation. The proposed control algorithm ensures that VSWG ‘’truly’’ emulates response of a conventional generating unit with non-reheat steam turbine (GUNRST) in the first several seconds after active power unbalance. A systematic method of analysis and synthesis of the new control algorithm is described in detail.
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Wang, Jinlong, Ang Song, and Yanchang Kang. "Analysis and treatment of jitter for 300MW steam turbine high-pressure control valve." E3S Web of Conferences 271 (2021): 01018. http://dx.doi.org/10.1051/e3sconf/202127101018.

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The high-pressure control valve of Weifang power generation Co. LTD unit one turbine happens to jitter during operation, especially in the low opening action, the jitter is more frequent. This situation is serious for the safety and stability of generating unit. This paper analyzes the cause of the high-pressure control valve jitter and formulates effective reconstruction plans. After the reform of the high-pressure control valve, it can maintain stable and normal regulation to ensure the safety and stability of the generating unit.
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Dissertations / Theses on the topic "Electrohydraulic regulation of steam turbine"

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Trněný, Bohumil. "Oprava a rekonstrukce parní turbiny." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2012. http://www.nusl.cz/ntk/nusl-230035.

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The content of this diploma thesis is proposal of repair, reconstruction of equipment and installation of electrohydraulic regulation of steam turbine. Thesis is given for specific case. At the beginning there is a basic description of repairing turbine. The next part of thesis deals with checking of main turbine parts and recalculation of gland steam. In the following part there is revisional report with repair or exchange suggestions of demaged turbine parts, followed by description of turbine regulation reconstruction. The last part deals with economical evaluation used innovation and recom
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Gregor, Kamil. "Vysokotlaký servopohon regulačních ventilů parní turbíny." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2016. http://www.nusl.cz/ntk/nusl-241721.

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A high-pressure actuator of regulatory valves of steam turbines is designed in this thesis. The first part of the thesis discusses different types of steam turbines and the alternatives of their regulation. In the second part, one particular arrangment, with directional control valve, double poppet valve and hydraulic curtain, is described. Technical documentation including the conceptual proposal, the choice of individual components and all calculations is the output of this thesis. Drawing documentation of the set and drawing documentation required for the construction of the hydraulic block
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Flimel, Lukáš. "Parní turbína 8 MW." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2015. http://www.nusl.cz/ntk/nusl-231802.

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The master´s thesis is focused on detail calculation of back-pressure steam turbine with reactionary blades, with non-control exctraction line with electrical output 8 MW. Thermodynamic calculation of flow stage (canal) and stress calculation of rotor blade carrier of regulation stage, is carried out in firts part of master´s thesis. Preliminary turbine design and description, is carried out in second part of master´s thesis. Master´s thesis tasks has been created in EKOL spol. s.r.o.
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Žáček, Ondřej. "Kondenzační parní turbina." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2015. http://www.nusl.cz/ntk/nusl-231804.

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The aim of the thesis „Condensing steam turbine“ is design of condensing steam turbine with uncontrolled extractions. The design is made according to assigned parameters. Balancing scheme of the turbine is defined at the beginning of the thesis. Then design of the regulation stage and reaction stages is accomplished. The calculation (thermodynamic and strength) is computed for mentioned two parts. For thermodynamic calculation is used ca/u method. In closing the design of the seal system is made.
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Morávek, Aleš. "Hydraulický agregát pro regulaci parní turbíny." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2016. http://www.nusl.cz/ntk/nusl-254353.

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This diploma thesis is focused on the design of high-pressure hydraulic unit to drive a regulation of condensation turbine. The aim is to calculate all the elements of the hydraulic system, piping design and the necessary drawings. The entire assembly consists of purchased parts from other manufacturers. Major oil tank and a safety catch tank is described in detail and will be made, not bought.
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Klíma, Petr. "Parní turbina rychloběžná kondenzační." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2015. http://www.nusl.cz/ntk/nusl-231803.

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ith one controlled extraction and one uncontrolled extraction, calculation of the flow channel at all stage, design and calculation of the regulation valve and create connection diagram of steam turbine and air cooled condenser. At the beginning of this work is an overview of manufacturers of steam turbines and their unified products. Master thesis was developer with G-Team, a.s. as using calculations and the instructions given in the recommended literature with supporting CFD simulations to determine the loss coefficients and FEA simulations to determine the eigenfrequencies blades.
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Kracík, Petr. "Kondenzační parní turbina." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2011. http://www.nusl.cz/ntk/nusl-229828.

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Diploma thesis named Condensing steam turbine deals with heat scheme balancing computation of condensing steam turbine K55 and her design. This turbine with 5 unregulated take-offs and overpressure blading type, is computed with (c_a/u) method in the middle of blading diameter. Regulation degree is chosen with impulse blading and feet cross section is checked on durability. At the end of the thesis turbine consumption characteristic is derived from the zero output up to the nominal output. Integrated part of this thesis is conceptional design of longitudal turbine section.
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Book chapters on the topic "Electrohydraulic regulation of steam turbine"

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Bill Forsthoffer, W. E. "Steam turbine inlet steam regulation." In Forsthoffer's Rotating Equipment Handbooks. Elsevier, 2005. http://dx.doi.org/10.1016/b978-185617472-5/50029-0.

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Conference papers on the topic "Electrohydraulic regulation of steam turbine"

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Kehler, J. H. "Frequency regulation from steam turbine generators." In IEEE Power Engineering Society. 1999 Winter Meeting (Cat. No.99CH36233). IEEE, 1999. http://dx.doi.org/10.1109/pesw.1999.747554.

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Hong-wen, An, Ma Zhi-yong, Li Zhuang, Zhong Cai-mao, and Liu Ying. "Analysis on shaft torsion response of 600MW steam turbine unit under quick load regulation." In 2014 26th Chinese Control And Decision Conference (CCDC). IEEE, 2014. http://dx.doi.org/10.1109/ccdc.2014.6852145.

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Fangbo, Jing, Lai Qiang, Wei Dongliang, Chen Xianhui, and Yuan Yongqiang. "Economic Analysis for Nozzle Governing With Overload Valve Regulation Technology." In ASME 2017 Power Conference Joint With ICOPE-17 collocated with the ASME 2017 11th International Conference on Energy Sustainability, the ASME 2017 15th International Conference on Fuel Cell Science, Engineering and Technology, and the ASME 2017 Nuclear Forum. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/power-icope2017-3322.

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With the implementation of low-carbon economy policy, clean energy (such as wind and solar energy) has been developing rapidly, and the percentage is increasing year by year; On the other hand, with a steadily growing percentage of residential electricity consumption and commercial electricity consumption, resulting in large electricity load difference between peak and valley, the load related requirements of modern steam power plants are noticeably changing. Whereas the past units being designed in base load now have to take part in peak load, and usually in a low load operation, unable to pl
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Jose, Arun V., Sunitha R., and Deepak M. "Analysis of Variation in Steam Turbine Time Constant on Dynamic Frequency Regulation of a Deregulated Power System." In 2019 IEEE 2nd International Conference on Power and Energy Applications (ICPEA). IEEE, 2019. http://dx.doi.org/10.1109/icpea.2019.8818522.

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Berkovich, Y., S. Glickman, L. Levin, U. Eitan, and A. Gordinsky. "On-LineTurbine Internal Efficiency Monitoring for Steam Turbine Condition Diagnostics." In ASME 2006 Power Conference. ASMEDC, 2006. http://dx.doi.org/10.1115/power2006-88080.

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The integral diagnostics factor used for the evaluation of turbine island condition is the turbine heat rate corrected to constant steam parameters and condenser pressure which is called “corrected turbine heat rate”. In case of excessive deviation of corrected heat rate from its normal value, it is necessary to implement a diagnostic subsystem for determining the source of the deviation. The following subsystems of the turbine island have to be taken into consideration: turbine steam path, turbine end seals, control valves, etc. For each subsystem it is necessary to select the calculated or m
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Newbury, William, and Steve DeCrow. "Improving the Incremental Regulation of Steam Turbines Equipped With Mechanical Hydraulic Control (MHC) Systems." In ASME 2011 Power Conference collocated with JSME ICOPE 2011. ASMEDC, 2011. http://dx.doi.org/10.1115/power2011-55281.

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Prior to 1970, mechanical hydraulic control (MHC) systems were used as the industry standard for operating steam turbine generators in the USA. These systems were primarily designed for safe, reliable, efficient base load operation close to nameplate rating. Today, most steam turbine generators rated at 400 megawatts (MW) or below are required to operate in some form of automatic load following central dispatch control mode. This mode of operation necessitates the need to provide a predictable linear output response to a specific demand input signal within a wide load range. A typical MHC syst
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Bianchini, C., M. Micio, L. Tarchi, C. Cortese, E. Imparato, and D. Tampucci. "Numerical Analysis of Pressure Losses in Diffuser and Tube Steam Partition Valves." In ASME Turbo Expo 2013: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/gt2013-95527.

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Control valves are one of the key steam turbine components both in terms of operational safety and flexibility. It is hence fundamental to correctly predict the valve characteristics at the various working conditions to accurately estimate machine performance and control logics. The aim of this work is to develop a simple method to predict pressure losses within the partition system to be used at preliminary design stage. Two types of partition valves typically employed in real industrial steam turbines of different power (from 1MW to 100MW) are analysed. The first type exploits a diffuser-lik
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Yuan, Guili, Tianhong Wang, Jizhen Liu, and Zijie Wang. "Application Study of the Intelligent Integration Fuzzy Control in Steam Turbine Governing System." In ASME 2005 Power Conference. ASMEDC, 2005. http://dx.doi.org/10.1115/pwr2005-50317.

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Steam turbine governing system is a nonlinear system, both the oil motor and the electric-liquid converter contain the nonlinear loop, however, the control strategy of the steam turbine governing system still stay at the control with PID, but the tuner with PID based on the accurate model belongs to the linear control intrinsically, and it doesn’t adapt to the nonlinear object. Fuzzy control doesn’t need the accurate mathematical model of the object, which fit to the nonlinear system and possess a better robust performance, and its control mechanism conform to the human’s intuitivism descripti
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Hu, Peng-fei, Yong Li, Li-hua Cao, and Tao Zhang. "Analysis on Solid Particle Erosion in the Governing Stage of a High-Parameter Steam Turbine." In ASME Turbo Expo 2017: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/gt2017-63946.

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The solid particle erosion (SPE) of flow passage is a universal problem in modern high-parameter steam turbines. With the continuous improvement of the working parameters of the steam turbine, the problem of SPE is becoming more serious. This problem is caused by the ferric oxide exfoliations carried by steam from the inner wall of the boiler tube into the steam turbine flow passage, causing the stator blades, the rotor blades, and the shroud to be eroded under impingement and scuffing failure. The SPE cannot only destroy the blade profile, increase the roughness of the blade surface, and affe
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Bettagli, Nicola, and Bruno Facchini. "Off-Design Performance of Multipressure Heat Recovery Boilers." In ASME 1995 International Gas Turbine and Aeroengine Congress and Exposition. American Society of Mechanical Engineers, 1995. http://dx.doi.org/10.1115/95-gt-154.

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Combined cycle power plants are systems with very high thermodynamic efficiency. Off-design plant behaviour prediction is very important to allow for high efficiency regulation of systems. The aim of this paper is to study heat recovery steam generator (HRSG) performance, varying inlet gas temperature and mass flow rate. One, two and three pressure level heat recovery boilers are considered. A HRSG simulation program based on heat transfer and thermodynamic fundamental laws is carried out.
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