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Journal articles on the topic 'CHP model'

Author: Grafiati

Published: 14 March 2023

Last updated: 31 July 2025

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1

Mansour, Ahmed, Sherif Rashad, Kuniyasu Niizuma, Miki Fujimura, and Teiji Tominaga. "A novel model of cerebral hyperperfusion with blood-brain barrier breakdown, white matter injury, and cognitive dysfunction." Journal of Neurosurgery 133, no. 5 (2020): 1460–72. http://dx.doi.org/10.3171/2019.7.jns19212.

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OBJECTIVECerebral hyperperfusion (CHP) is associated with considerable morbidity. Its pathophysiology involves disruption of the blood-brain barrier (BBB) with subsequent events such as vasogenic brain edema and ischemic and/or hemorrhagic complications. Researchers are trying to mimic the condition of CHP; however, a proper animal model is still lacking. In this paper the authors report a novel surgically induced CHP model that mimics the reported pathophysiology of clinical CHP including BBB breakdown, white matter (WM) injury, inflammation, and cognitive impairment.METHODSMale Sprague-Dawle

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Wong-Kcomt, Jorge B. "The CHP Space: A Basic Model." Distributed Generation & Alternative Energy Journal 27, no. 3 (2012): 72–80. http://dx.doi.org/10.1080/21563306.2012.10531124.

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Wong-Kcomt, Jorge B. "The CHP Space: A Basic Model." Distributed Generation & Alternative Energy Journal 27, no. 4 (2012): 74–78. http://dx.doi.org/10.1080/21563306.2012.10554223.

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Śladewski, Łukasz, Rafał Wereszczyński, Jerzy Majchrzak, et al. "Close loop optimisation of large CHP based on approximation model." E3S Web of Conferences 137 (2019): 01051. http://dx.doi.org/10.1051/e3sconf/201913701051.

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Complex optimization of CHP plants becomes a very important issue in research and implementation, particularly in the context of increasing environmental requirements. The process in industrial CHP plants could be decomposed into several subprocesses, which could be optimized individually using dedicated solutions. The article presents the results of work of complex, multi-modular optimization project of one CHP plant located in petrochemical and refinery plant in Poland. The scope of the project is economical load dispatch optimizer aimed to increase economical profit of CHP operation, combus

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Owaku, Takashi, Hiromi Yamamoto, and Atsushi Akisawa. "Optimal SOFC-CHP Installation Planning and Operation Model Considering Geographic Characteristics of Energy Supply Infrastructure." Energies 16, no. 5 (2023): 2236. http://dx.doi.org/10.3390/en16052236.

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Combined heat and power (CHP) is crucial for promoting thorough energy conservation and advanced energy use, aimed toward greenhouse gas reduction. Solid oxide fuel cell (SOFC)-CHP is expected to be introduced as a measure against global warming and has been the focus of attention, and this study examined the effects of its introduction. This study introduces a linear programming evaluation model that can simulate optimized facility configuration and operation, based on the power supply and demand. The novelty of the proposed model is the consideration of geographic characteristics, which infl

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Jin, Xiao Long, Hai Feng Li, Tao Jin, Xian Dong Xu, Ming Shen Wang, and Jian Meng. "Economical and Coordinated Dispatch of CHP Based Microgrid with Renewable Energy Resources." Advanced Materials Research 960-961 (June 2014): 1022–28. http://dx.doi.org/10.4028/www.scientific.net/amr.960-961.1022.

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The advantages of high energy efficiency and economic benefit promote the wide application of combined heat and power system (CHP) based microgrid. Firstly, a mathematical model of the CHP based microgrid is developed. Then, a cost function for the coordination of heat and electric load is proposed. Finally, an optimal dispatch model is developed to achieve the economical and coordinated operation of the CHP based microgrid system. Simulation results verify effectiveness of the proposed dispatch model, which is a powerful tool for the energy management of CHP based microgrid with renewable ene

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Xie, Cangyou, Fatma Rashed, Yosuke Sasaki, et al. "Comparison of Osteoconductive Ability of Two Types of Cholesterol-Bearing Pullulan (CHP) Nanogel-Hydrogels Impregnated with BMP-2 and RANKL-Binding Peptide: Bone Histomorphometric Study in a Murine Calvarial Defect Model." International Journal of Molecular Sciences 24, no. 11 (2023): 9751. http://dx.doi.org/10.3390/ijms24119751.

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The receptor activator of NF-κB ligand (RANKL)-binding peptide is known to accelerate bone morphogenetic protein (BMP)-2-induced bone formation. Cholesterol-bearing pullulan (CHP)-OA nanogel-crosslinked PEG gel (CHP-OA nanogel-hydrogel) was shown to release the RANKL-binding peptide sustainably; however, an appropriate scaffold for peptide-accelerated bone formation is not determined yet. This study compares the osteoconductivity of CHP-OA hydrogel and another CHP nanogel, CHP-A nanogel-crosslinked PEG gel (CHP-A nanogel–hydrogel), in the bone formation induced by BMP-2 and the peptide. A calv

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Şah, Sezgin, and M. Handan Çubuk. "CHP Microturbine Configuration Model and Economic Analysis." Cogeneration & Distributed Generation Journal 24, no. 2 (2009): 51–61. http://dx.doi.org/10.1080/15453660909509008.

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9

Shavdinova, M. D. "DIAGNOSTIC MODEL OF THE CHP STEAM TURBINE." Вестник Алматинского университета энергетики и связи, no. 1 (2023): 68–77. http://dx.doi.org/10.51775/2790-0886_2023_60_1_68.

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Razak, Amir A. "Library Structure of Dynamic Simulation for Combined Heat and Power Plant in Modelica Language." Applied Mechanics and Materials 110-116 (October 2011): 4925–31. http://dx.doi.org/10.4028/www.scientific.net/amm.110-116.4925.

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The most common form of energy recycling system is Combined Heat and Power (CHP) plants. The CHP plant is a complex system and still under intensive development by many researchers. The system needs to be developed in quick and efficient manners with low resources based on modeling and simulation method. With the development of CHP library in open source Modelica language, it could be used as a base for further advancement of CHP technology. The aim of this work is to design a structure of initial version of a model library for the dynamic simulation of Combined Heat and Power plants (CHP). Mo

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Ling, Wen Choong, Viknesh Andiappan, and Yoke Kin Wan. "Design of Biomass Combined Heat and Power (CHP) Systems based on Economic Risk using Minimax Regret Criterion." MATEC Web of Conferences 152 (2018): 01006. http://dx.doi.org/10.1051/matecconf/201815201006.

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It is a great challenge to identify optimum technologies for CHP systems that utilise biomass and convert it into heat and power. In this respect, industry decision makers are lacking in confidence to invest in biomass CHP due to economic risk from varying energy demand. This research work presents a linear programming systematic framework to design biomass CHP system based on potential loss of profit due to varying energy demand. Minimax Regret Criterion (MRC) approach was used to assess maximum regret between selections of the given biomass CHP design based on energy demand. Based on this, t

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De Souza, Ronelly, Melchiorre Casisi, Diego Micheli, and Mauro Reini. "A Review of Small–Medium Combined Heat and Power (CHP) Technologies and Their Role within the 100% Renewable Energy Systems Scenario." Energies 14, no. 17 (2021): 5338. http://dx.doi.org/10.3390/en14175338.

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The energy transition towards a scenario with 100% renewable energy sources (RES) for the energy system is starting to unfold its effects and is increasingly accepted. In such a scenario, a predominant role will be played by large photovoltaic and wind power plants. At the same time, the electrification of energy consumption is expected to develop further, with the ever-increasing diffusion of electric transport, heat pumps, and power-to-gas technologies. The not completely predictable nature of the RES is their well-known drawback, and it will require the use of energy storage technologies, i

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Zhang, Yan, Yang Shen, Rui Zhu, Zhu Chen, Tao Guo, and Quan Lv. "Two-Stage Real-Time Frequency Regulation Strategy of Combined Heat and Power Units with Energy Storage." Energies 18, no. 8 (2025): 1953. https://doi.org/10.3390/en18081953.

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In view of the frequency regulation (FR) policy in Northeast China, a two-stage real-time rolling optimization model for power plants participating in FR ancillary services is established. The optimization object of the first stage is to maximize the overall profitability of the power plant and to obtain FR performance sub-indicators (K1, K2, K3) and the electric power curve of combined heat and power (CHP) units with energy storage. The second stage of the model performs load distribution with the objective of minimizing operating cost, subject to the constraint of electric and heat power bal

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Tatarinova, N.V., D.M. Suvorov, and V.M. Sushchikh. "Efficiency of the Operation of the Cogeneration Steam Turbine Plants at the Variable Heat and Electric Load Schedules." Problemele Energeticii Regionale 2(37) (August 15, 2018): 85–99. https://doi.org/10.5281/zenodo.1343404.

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The urgency of the work is conditioned by the need to improve the management methods of the operation modes of the power plant by creating software tools for predicting the performance of equipment when the conditions of its operation change. In this regard, the aim of the study is to carry out a detailed calculation research of such modes using unique computational mathematical models based on the actual turbine power characteristics. Following tasks were set to achieve it: first, to calculate the limits of change for the main energy and economic indicators in real operating conditions on the

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15

Ma, Zhao, Huiru Zhao, Qun Su, and Xuejie Wang. "Distributionally Robust Optimal Dispatching of CHP Microgrid considering Concentrating Solar Power and Uncertainty." Mathematical Problems in Engineering 2022 (April 26, 2022): 1–15. http://dx.doi.org/10.1155/2022/1994063.

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In order to solve the problem of diversified low-carbon energy supply with renewable energy as the main body, concentrating solar power (CSP) stations are introduced to act as cogeneration units. Taking full advantage of the flexible coupling and multienergy complementarity of electric, heat, and gas, an economic dispatch method for combined heat and power microgrid systems (CHP microgrid) with interconnected electric, heat, and gas is proposed. First, build the CSP-CHP microgrid structure and model the main equipment. Then, aiming at the minimum operating cost of the system, a regular schedul

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16

Hughes, R. A., B. Ramsay, and C. Rossini. "A Knowledge-Based Decision Support System for Combined Heat and Power Investment Appraisal and Plant Selection." Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy 210, no. 1 (1996): 15–24. http://dx.doi.org/10.1243/pime_proc_1996_210_004_02.

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Combined heat and power (CHP) can, in the most suitable cases, reduce a consumer's total energy costs by up to 40 per cent. It is important to stress that CHP is not viable at all sites and further that poor choice of CHP plant often results in inefficient and uneconomic operation. It is therefore vitally important to build a clear picture of what specific factors determine the profitability of a CHP scheme. The development of an accurate, reliable economic model is necessary for any sector where a potential market for CHP exists. Conventional economic models have a number of limitations, part

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WANG, JIAHAI. "A MOLECULAR RECOGNITION MODEL FOR ENANTIOSELECTIVITY AND AUTOINDUCTION IN CYANOHYDRIN FORMATION CATALYZED BY CYCLO[(S)-HIS-(S)-PHE]." Journal of Theoretical and Computational Chemistry 09, no. 02 (2010): 495–510. http://dx.doi.org/10.1142/s0219633610005803.

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A molecular recognition mechanism based on dimeric model for cyclic dipeptide Cyclo[(S)-His-(S)-Phe] (abridged CHP) catalyzed autoinduction is proposed according to the inference of previous experimental findings, which is supported by theoretical calculation with Oniom(B3LYP/3-21G*:AM1) method. The most unstable CHP dimer whose intermolecular hydrogen bonds are immensely lessened by two intramolecular hydrogen bonds is defined as the highest active component (IIa) existing in solid among the three possible dimers (Ia, IIa, and IIb). The carbonyl group of benzaldehyde coordinates to CHP dimer

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18

Latosov, E., and A. Siirde. "Heat load model for small-scale CHP planning." Renewable Energy and Power Quality Journal 1, no. 08 (2010): 788–91. http://dx.doi.org/10.24084/repqj08.475.

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19

Polo, Christine, Jim Rowan, David Long, et al. "Finding the Right Fit – CoGenie CHP Optimization Model." Proceedings of the Water Environment Federation 2014, no. 2 (2014): 1–12. http://dx.doi.org/10.2175/193864714816196583.

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20

Saarinen, Jaakko, Matias Halinen, Jukka Ylijoki, Matti Noponen, Pekka Simell, and Jari Kiviaho. "Dynamic Model of 5kW SOFC CHP Test Station." Journal of Fuel Cell Science and Technology 4, no. 4 (2006): 397–405. http://dx.doi.org/10.1115/1.2759502.

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A dynamical model for a 5kW class solid oxide fuel cell (SOFC) combined heat and power (CHP) test station has been composed using the APROS® environment. The model is based on a real test station being constructed and operated at VTT Technical Research Centre of Finland and it comprises the following main components of the real test system: the autothermal reforming unit, SOFC stack situated inside a furnace, catalytic afterburner, and three heat exchangers. The constructed model has been verified against experimental results obtained from the autothermal reforming unit, catalytic afterburner,

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König, P., A. Weber, N. Lewald, T. Aicher, L. Jörissen, and E. Ivers-Tiffée. "Model-Aided Testing of a PEMFC CHP System." Fuel Cells 7, no. 1 (2007): 70–77. http://dx.doi.org/10.1002/fuce.200500208.

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22

Feldman, Tatyana, Denise Zou, Mayvis Rebeira, et al. "Cost-Effectiveness of brentuximab vedotin with chemotherapy in frontline treatment of CD30-expressing peripheral T-cell lymphoma." Journal of Clinical Oncology 37, no. 15_suppl (2019): e19060-e19060. http://dx.doi.org/10.1200/jco.2019.37.15_suppl.e19060.

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e19060 Background: The most common frontline treatment for peripheral T-cell lymphoma (PTCL) is cyclophosphamide, doxorubicin, vincristine, and prednisone (CHOP) or a CHOP-like regimen. In the recently reported phase 3 ECHELON-2 trial, brentuximab vedotin (BV) in combination with CHP (A+CHP) demonstrated significant improvement in progression-free survival (PFS) and overall survival (OS) compared to CHOP, with a manageable safety profile. The objective of this analysis was to evaluate the cost-effectiveness of A+CHP in the frontline setting for CD30-expressing PTCL. Methods: A partitioned surv

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Banica, Florinel G., and Ana Ion. "Electrochemical Investigations of the Nickel(II)-Penicillamine System. 3. A Study of the Catalytic Hydrogen Prewave in Connection with Structure of Nickel(II)-Penicillamine Complexes." Collection of Czechoslovak Chemical Communications 65, no. 6 (2000): 995–1013. http://dx.doi.org/10.1135/cccc20000995.

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The catalytic hydrogen evolution on the dropping mercury electrode in the presence of Ni(II) and D-penicillamine (Pen) at pH around 6 yields a catalytic hydrogen prewave (CHP) with E1/2 = -1.21 V vs SCE. This wave is similar to the CHP produced by selenocysteine and cysteine described previously. The occurrence of the CHP depends on the formation of the mono(D-penicillamine-N,S)nickel(II) complex whereas bis(D-penicillamine-N,S)nickel(II) complex is inert and has no influence on the CHP electrode process. Although the analogous bis(cysteine) complex is labile, there is strong evidence that it

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Guo, Junshan, Wei Zheng, Zhuang Cong, Panfeng Shang, Congyu Wang, and Jiwei Song. "Steam-Water Modelling and the Coal-Saving Scheduling Strategy of Combined Heat and Power Systems." Energies 15, no. 1 (2021): 141. http://dx.doi.org/10.3390/en15010141.

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China aims to peak carbon emissions by 2030. As a result, small-scale coal-fired combined heat and power (CHP) units and self-provided units are gradually shut down, and large-scale coal-fired CHP units are a solution to undertake the industrial heat loads. From the perspective of the industrial heat load allocation during the non-heating season, the problems regarding the coal-saving scheduling strategy of coal-fired CHP units are addressed. The steam-water equations of CHP units are established to analyze the heat-power coupling characteristics. The energy utilization efficiency, exergy effi

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Ko, Woong, and Jinho Kim. "Generation Expansion Planning Model for Integrated Energy System Considering Feasible Operation Region and Generation Efficiency of Combined Heat and Power." Energies 12, no. 2 (2019): 226. http://dx.doi.org/10.3390/en12020226.

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Integrated energy systems can provide a more efficient supply than individual systems by using resources such as cogeneration. To foster efficient management of these systems, the flexible operation of cogeneration resources should be considered for the generation expansion planning model to satisfy the varying demand of energy including heat and electricity, which are interdependent and present different seasonal characteristics. We propose an optimization model of the generation expansion planning for an integrated energy system considering the feasible operation region and efficiency of a c

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Gbadamosi, Saheed Lekan, and Nnamdi I. Nwulu. "Optimal Power Dispatch and Reliability Analysis of Hybrid CHP-PV-Wind Systems in Farming Applications." Sustainability 12, no. 19 (2020): 8199. http://dx.doi.org/10.3390/su12198199.

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Renewable energy sources (RES) are seen as potential alternative energy sources for rural communities to meet energy demand where electricity supply is inaccessible. Wind and Photo-Voltaic (PV) power is seen as mature and sustainable alternatives for rural electrification. This paper discusses the optimal power dispatch for hybrid combined heat and power (CHP), wind, PV and battery systems with a view to determining the operation of the hybrid system for farming applications. This is accomplished by considering the basic power system probability concepts to assess the performance of the reliab

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Kelly, N. J., J. A. Clarke, A. Ferguson, and G. Burt. "Developing and testing a generic micro-combined heat and power model for simulations of dwellings and highly distributed power systems." Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy 222, no. 7 (2008): 685–95. http://dx.doi.org/10.1243/09576509jpe532.

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This paper elaborates an approach to the modelling of domestic micro-combined heat and power (μ-CHP) using a building simulation tool that can provide a detailed picture of the environmental performance of both the μ-CHP heating system and the dwelling it serves. The approach can also provide useful data for the modelling of highly distributed power systems (HDPS). At the commencement of the work described in this paper no μ-CHP device model that was compatible with a building simulation tool was available. The development of such a model is described along with its calibration and verificatio

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Genovski, Ivan, and Kaloyan Hristov. "Model research of the energy efficiency of a cogeneration backpressure steam turbine installation." E3S Web of Conferences 207 (2020): 02004. http://dx.doi.org/10.1051/e3sconf/202020702004.

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In the contemporary district heating systems (DHS) heat energy for the customers is generated by cogeneration method, which leads to the saving of primary energy resources compared to the separate production method. The most widespread technology for combined production is based on steam turbine installations with adjustable steam extraction and backpressure steam turbine. In these technologies district heating water is heated to the required temperature either in district heaters in case of steam turbine with adjustable steam extractions or in boiler-condenser in case of backpressure steam tu

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Li, Rui, and Peng Li. "Community Based of CHP Microgrid Optimal Operation." Advanced Materials Research 981 (July 2014): 673–76. http://dx.doi.org/10.4028/www.scientific.net/amr.981.673.

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This paper presents a community-based CHP microgrid model for optimal operation. The model introduces a microgrid controller and consumption parameters, and that the existing restrictions, the optimization of microgrid operation.bacterial foraging optimization(BFO) algorithm was used to develop microgrid problems. Test results show the effectiveness of the model micro-grid operation.

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Kang, Ying Wei, Wei Huang, Yang Xue, Guang Yi Cao, and Heng Yong Tu. "Dynamic Simulation of a Solid Oxide Fuel Cell System for Micro Combined Heat and Power Application." Applied Mechanics and Materials 336-338 (July 2013): 695–99. http://dx.doi.org/10.4028/www.scientific.net/amm.336-338.695.

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In the past decade, developing solid oxide fuel cell (SOFC) systems for micro combined heat and power applications (micro-CHP, 1-10 kWe) is one of the hot spots in the world energy field. To meet the requirements for system optimization and control design of SOFC micro-CHP systems, in this paper a dynamic model of an SOFC micro-CHP system is developed, based on which dynamic simulations are also carried out. Simulation results show that the present model can reflect the behavior of the SOFC micro-CHP system quite well; the influence of one component on another is an important factor to determi

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Kambhampati, Swetha, Monica Saumoy, Stacy Pak, et al. "Cost effectiveness of polatuzumab vedotin in combination with chemoimmunotherapy (Pola-R-CHP) in previously untreated diffuse large B-cell lymphoma." Journal of Clinical Oncology 40, no. 16_suppl (2022): 7568. http://dx.doi.org/10.1200/jco.2022.40.16_suppl.7568.

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7568 Background: In patients with treatment naive diffuse large B-cell lymphoma (DLBCL), the POLARIX study demonstrated a 6.5% improvement in the 2-year (yr) progression-free survival (PFS) with no difference in overall survival or safety using polatuzumab vedotin + R-CHP compared to standard RCHOP. We evaluated the cost effectiveness of pola-R-CHP for DLBCL. Methods: We modeled a hypothetical cohort of US adults (mean age, 58 yrs) with treatment naïve DLBCL by developing a Markov model with a 1-month cycle and 20-yr horizon. The cost-effectiveness of two strategies were directly compared (pol

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Xu, Ye, Na Meng, Xu Wang, Junyuan Tan, and Wei Li. "A Multiobjective Fractional Programming for a CHP System Operation Optimization Based on Energy Intensity." Energies 15, no. 6 (2022): 1965. http://dx.doi.org/10.3390/en15061965.

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The objective of this research is to establish a multiobjective fractional programming (MOFP) model for supporting the operational management of a combined heat and power (CHP) system. Compared with the traditional operational optimization model of the CHP system, the importance of the energy intensity (i.e., the ratio of energy consumption and energy production) was emphasized in the MOFP model, which is considered as the system objective for replacing the common objective of minimizing the economic cost. This innovative transformation effectively reduces excessive energy consumption, accompa

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Hagan, Donald L., Elena A. Mikhailova, Timothy M. Shearman, et al. "The Role of Soil and Landscape Factors in Chinese Privet (Ligustrum sinense) Invasion in the Appalachian Piedmont." Invasive Plant Science and Management 7, no. 3 (2014): 483–90. http://dx.doi.org/10.1614/ipsm-d-14-00002.1.

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AbstractThere is a limited understanding about the ecological mechanisms that enable certain plant species to become successful invaders of natural areas. This study was conducted to determine the soil and landscape characteristics that correlate with invasion of Chinese privet (CHP), and to develop a model to predict the probability of CHP invasion in Piedmont forests. A landscape ecosystem classification (LEC) system—based on the percentage of clay in the B horizon, depth to maximum clay (cm), exposure, terrain shape, and aspect (degrees)—was used to determine the soil moisture characteristi

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Wang, Jinhao, Zhaoguang Pan, Shengwen Li, Huaichang Ge, Gang Yang, and Bin Wang. "Optimal Scheduling of Virtual Power Plant Considering Reconfiguration of District Heating Network." Electronics 12, no. 16 (2023): 3409. http://dx.doi.org/10.3390/electronics12163409.

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A combined heat and power virtual power plant (CHP-VPP) can effectively control the distributed resources in an electric–thermal coupling system and solve the problem of lack of flexibility caused by large-scale renewable energy grid connection. Similar to the optimal reconfiguration of distribution network topology by operating switches, the district heating system is also equipped with tie and sectionalizing valves to realize the optimal adjustment of district heating network (DHN) topology, which provides an economical and effective method for improving the power system’s flexibility. Based

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Lonkwic, Paweł. "A MATHEMATICAL MODEL OF CHP 2000 TYPE PROGRESSIVE GEAR." Advances in Science and Technology Research Journal 10, no. 32 (2016): 150–55. http://dx.doi.org/10.12913/22998624/65120.

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Carnovali, Marta, Gina Ramoni, Giuseppe Banfi, and Massimo Mariotti. "Herbal Preparation (Bromelain, Papain, Curcuma, Black Pepper) Enhances Mineralization and Reduces Glucocorticoid-Induced Osteoporosis in Zebrafish." Antioxidants 10, no. 12 (2021): 1987. http://dx.doi.org/10.3390/antiox10121987.

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Natural foods with antioxidant properties, such as curcuma, papain, bromelain and black pepper, have been indicated as a potential natural therapeutic approach against osteoporosis. Zebrafish are an excellent animal model to study the effects of herbal preparations on osteogenesis and bone metabolism, both in physiological and in pathological conditions. Our study was aimed at evaluating whether curcuma-bromelain-papain-pepper herbal preparation (CHP) administered in embryos and adult fish is capable of promoting bone wellness in physiological and osteoporotic conditions. The effect of CHP has

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He, Liangce, Zhigang Lu, Lili Pan, Hao Zhao, Xueping Li, and Jiangfeng Zhang. "Optimal Economic and Emission Dispatch of a Microgrid with a Combined Heat and Power System." Energies 12, no. 4 (2019): 604. http://dx.doi.org/10.3390/en12040604.

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With the rapid development of the new concept of energy internet, electric power systems often need to be investigated together with thermal energy systems. Additionally, to reduce pollution from gas emissions, it is very important to study the economic and emission dispatch of integrated electrical and heating systems. Hence, this paper proposes a multi-objective optimization dispatch model for a microgrid (MG) with a combined heat and power (CHP) system. This CHP-based MG system consists of a CHP unit, a wind turbine, a PV system, a fuel cell, an electric boiler, an electric storage, and a h

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Gonzalez-Castellanos, Alvaro, Priyanko Guha Thakurta, and Aldo Bischi. "Congestion management via increasing integration of electric and thermal energy infrastructures." E3S Web of Conferences 238 (2021): 05005. http://dx.doi.org/10.1051/e3sconf/202123805005.

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Congestion caused in the electrical network due to renewable generation can be effectively managed by integrating electric and thermal infrastructures, the latter being represented by large scale District Heating (DH) networks, often fed by large combined heat and power (CHP) plants. The CHP plants could further improve the profit margin of district heating multi-utilities by selling electricity in the power market by adjusting the ratio between generated heat and power. The latter is possible only for certain CHP plants, which allow decoupling the two commodities generation, namely the ones p

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Tarasova, Victoria. "FACTOR ANALYSIS OF THE THERMAL SCHEME OF CHP WITH SUPER CRITICAL STEAM CYCLE ON THE BASIS OF EXERGY METHOD." Bulletin of the National Technical University «KhPI» Series: New solutions in modern technologies, no. 2(8) (June 15, 2021): 46–55. http://dx.doi.org/10.20998/2413-4295.2021.02.07.

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The most promising direction of CHP modernization is the introduction of power units on supercritical steam parameters. Increasing steam parameters is one of the most effective ways to increase the efficiency of a CHP plant. Thus, the development of the concept of thermal schemes turbines for supercritical steam parameters, taking into account the characteristics of their operation at the existing CHP Ukraine is an actual scientific problem. The solution to this problem will make it possible to replace or modernize the power generating equipment that has exhausted its resource with modern powe

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Ziebik, A., M. Warzyc, and P. Gładysz. "Determination of the Optimal Structure of Repowering a Metallurgical CHP Plant Fired with Technological Fuel Gases." Archives of Metallurgy and Materials 59, no. 1 (2014): 105–16. http://dx.doi.org/10.2478/amm-2014-0017.

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Abstract CHP plants in ironworks are traditionally fired with low-calorific technological fuel gases and hard coal. Among metallurgical fuel gases blast-furnace gas (BFG) dominates. Minor shares of gaseous fuels are converter gas (LDG) and surpluses of coke-oven gas (COG). Metallurgical CHP plant repowering consists in adding a gas turbine to the existing traditional steam CHP plant. It has been assumed that the existing steam turbine and parts of double-fuel steam boilers can be used in modernized CHP plants. Such a system can be applied parallelly with the existing steam cycle, increasing th

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Allman, Erik, Qian Wang, Rachel L. Walker, Molly Austen, Maureen A. Peters, and Keith Nehrke. "Calcineurin homologous proteins regulate the membrane localization and activity of sodium/proton exchangers in C. elegans." American Journal of Physiology-Cell Physiology 310, no. 3 (2016): C233—C242. http://dx.doi.org/10.1152/ajpcell.00291.2015.

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Calcineurin B homologous proteins (CHP) are N-myristoylated, EF-hand Ca2+-binding proteins that bind to and regulate Na+/H+ exchangers, which occurs through a variety of mechanisms whose relative significance is incompletely understood. Like mammals, Caenorhabditis elegans has three CHP paralogs, but unlike mammals, worms can survive CHP loss-of-function. However, mutants for the CHP ortholog PBO-1 are unfit, and PBO-1 has been shown to be required for proton signaling by the basolateral Na+/H+ exchanger NHX-7 and for proton-coupled intestinal nutrient uptake by the apical Na+/H+ exchanger NHX

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Fedotov, A., G. Vagapov, L. Grackova, and R. Abdullazyanov. "Rated Power Determination for Autonomous Micro Combined Heat and Power and Rechargeable Battery System." Latvian Journal of Physics and Technical Sciences 57, no. 6 (2020): 12–22. http://dx.doi.org/10.2478/lpts-2020-0030.

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AbstractAn autonomous micro combined heat and power (Micro-CHP) is usually installed to increase energy efficiency and reduce energy costs in areas remote from large power systems. The main goal of autonomous Micro-CHP is to provide residential and industrial areas with electricity and heat. By designing an autonomous Micro-CHP, one of the key issues is the determination of rated power, since the energy efficiency of equipment and the costs of fossil fuels depend on the rated power. The mathematical model can better calculate the necessary rated power for an autonomous Micro-CHP in the case of

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Zhang, Ruoyu, Haichao Wang, Xiaozhou Wu, Xiangli Li, and Lin Duanmu. "The application of the TES technology in CHP heating system with Chinese demand profiles——A techno-economic feasibility case study." E3S Web of Conferences 111 (2019): 06010. http://dx.doi.org/10.1051/e3sconf/201911106010.

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The thermal energy storage (TES) technology is an effective method to enhance the planning and the economy of the combined heat and power (CHP) plants, while it has still not been broadly promoted in China. In this paper we firstly establish a mathematical model for a Chinese CHP plant with TES. Then the EnergyPRO software is used to find the optimum type of the TES tank in a three-tariff electricity pricing market and the operation strategy of the CHP plant with the selected TES tank is studied. Thirdly, the economic benefits of the system with/without TES is evaluated. The results show that

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Davoodi, Elnaz, Salar Balaei-Sani, Behnam Mohammadi-Ivatloo, and Mehdi Abapour. "Flexible Continuous-Time Modeling for Multi-Objective Day-Ahead Scheduling of CHP Units." Sustainability 13, no. 9 (2021): 5058. http://dx.doi.org/10.3390/su13095058.

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Increasing applications of CHP units have turned the problem of finding the best optimization model into a significant subject for scholars. In this respect, this paper is aimed at driving a novel formulation to the multi-objective day-ahead scheduling of CHP units using Bernstein polynomials, which more optimally schedules power and heat generations as well as ramping trajectories. This procedure includes yielding an affine function that closely approximates real-time net-load and generation trajectories, which is demonstrated to have a superior performance to the conventional hourly day-ahea

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Chen, Dongwen, and Zheng Chu. "Enhancing Power Supply Flexibility in Renewable Energy Systems with Optimized Energy Dispatch in Coupled CHP, Heat Pump, and Thermal Storage." Energies 17, no. 12 (2024): 2861. http://dx.doi.org/10.3390/en17122861.

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The use of renewable energy by converting it into heat is an important form of storing energy in a usable form and improving the energy supply flexibility; therefore, the electricity–heating system (EHS) can cope with load fluctuations. However, relevant research is lacking on improving the energy supply limitations by the optimal dispatch of energy flow at the typical EHS, such as the coupled CHP–heat pump–thermal storage system (CCHTS). Based on the study of the energy supply characteristics of the CCHTS for extending the energy supply limitation, this study develops an optimal dispatch meth

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Khassouani, Chems-Eddouha, Abdellatif Asri, and Abdelmajid Soulaymani. "Risk management and surveillance systems: A Model proposed for the provincial public hospital (CHP)." E3S Web of Conferences 319 (2021): 01061. http://dx.doi.org/10.1051/e3sconf/202131901061.

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During the Covid-19 pandemic, the provincial hospitals (CHP) of Morocco have demonstrated a remarkable capacity for reactivity. They were able to reorganize themselves to ensure the response to the pandemic and maintain basic functions. However, this reactivity alone does not prove their resilience in the face of new infections and possible disasters. The CHP must plan its responsiveness well in advance by building an intra-hospital health vigilance system that meets basic provincial requirements and that communicates with its internal and external environments. A qualitative analysis, using t

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Nagatomo, Daiki, Madoka Taniai, Harumi Ariyasu та ін. "Cholesteryl Pullulan Encapsulated TNF-αNanoparticles Are an Effective Mucosal Vaccine Adjuvant against Influenza Virus". BioMed Research International 2015 (2015): 1–15. http://dx.doi.org/10.1155/2015/471468.

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We encapsulated tumor necrosis factor-α(TNF-α), a major proinflammatory cytokine, into cholesteryl pullulan (CHP) to prepare TNF/CHP nanoparticles. In this report, we describe the immune-enhancing capability of the nanoparticles to act as a vaccine adjuvant. TNF/CHP nanoparticles showed excellent storage stability and enhanced host immune responses to external immunogens. The nanoparticles were effective via the nasal route of administration for inducing systemic IgG1as well as mucosal IgA. We applied the nanoparticles in a model experimental influenza virus infection to investigate their adju

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Stankeviciute, Loreta, and Anna Krook Riekkola. "Assessing the development of combined heat and power generation in the EU." International Journal of Energy Sector Management 8, no. 1 (2014): 76–99. http://dx.doi.org/10.1108/ijesm-08-2012-0004.

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Purpose – This paper aims to quantify the potentials for the development of combined heat and power (CHP) in Europe. Design/methodology/approach – To this end, it uses the TIMES-EU energy-economic model and assesses the impact of key policy options and targets in the area of CO2 emissions reduction, renewable energies and energy efficiency improvements. The results are also compared with the cogeneration potentials as reported by the Member States in their national reports. Findings – The paper shows that CHP output could be more than doubled and that important CHP penetration potential exists

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Meysam, Khojasteh, Faria Pedro, Lezama Fernando, and Vale Zita. "Optimal Strategy of Electricity and Natural Gas Aggregators in the Energy and Balance Markets." Energy 257 (July 27, 2022): 124753. https://doi.org/10.1016/j.energy.2022.124753.

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This paper presents a stochastic two-stage model for energy aggregators (EAs) in the energy and balancing markets to supply electricity and natural gas to end-users equipped with combined heat and power (CHP) units. The suggested model takes into account the battery energy storage (BES) as a self-generating unit of EA. The upper and lower subproblems determine the optimal energy supply strategy of EA and consumption of consumers, respectively. In the lower subproblem, the McCormick relaxation is used to linearize the cost function of the CHP unit. To sol

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Yu, Yanjuan, Guohua Zhou, Kena Wu, Cheng Chen, and Qiang Bian. "Optimal Configuration of Power-to-Heat Equipment Considering Peak-Shaving Ancillary Service Market." Energies 16, no. 19 (2023): 6860. http://dx.doi.org/10.3390/en16196860.

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The serious problem of wind power curtailment in northern China has created a pressing need to enhance the peak-shaving ability of the power system. As the main source of power supply in northern China, combined heat and power (CHP) units have significant potential for peak-shaving. Currently, the Chinese government encourages CHP plants to increase their peak-shaving capacity by installing power-to-heat (P2H) equipment. In addition, the government has implemented auxiliary service market policies to encourage CHP plants to provide peak-shaving services. In order to maximize economic benefits

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