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Dissertations / Theses on the topic 'PRIMARY ENERGY SAVING'

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1

Ferreira, Vasco Guedes. "The analysis of primary metered half-hourly electricity and gas consumption in municipal buildings." Thesis, De Montfort University, 2009. http://hdl.handle.net/2086/3268.

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This thesis addressed the need for improved analysis and interpretation of primary meter half-hourly energy consumption data. The current work offers a novel benchmarking technique that was tested for 6 types of municipal buildings. This approach is different from conventional annual benchmarking mainly because it uses electricity and gas data in half-hourly periods, together with outside temperature data. A survey to European local authorities’ metering and monitoring practices was conducted in order to assess municipal energy managers' current procedures and needs in terms of data analysis t
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2

Andersson, David, and Philip Olsson. "Hur kan en skola med högre energianvändning än det svenska genomsnittet energieffektiviseras? : Energikartläggning." Thesis, Högskolan i Gävle, Energisystem, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-24484.

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Europeiska unionen som helhet är en av de största energianvändarna och har en av världens största utsläpp av växthusgaser. För att minska globala uppvärmningen har mål sats upp för att medeltemperaturen på jorden inte ska öka mer än 2 grader sen förindustrielltid. Närmare 40 % av Sveriges totala energianvändning kommer från bostads- och servicesektorn detta i samband med att 2020-målen närmar sig bidrar till att energieffektiviseringar i byggnader blir allt mer essentiellt. Energikartläggningar är ett verktyg för att bestämma vad som har stört energibesparingspotential innan effektiviseringsåt
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3

Ghaghazanian, Arash. "System Integration of PV/T Collectors in Solar Cooling Systems." Thesis, Högskolan Dalarna, Energiteknik, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:du-19554.

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The demand for cooling and air-conditioning of building is increasingly ever growing. This increase is mostly due to population and economic growth in developing countries, and also desire for a higher quality of thermal comfort. Increase in the use of conventional cooling systems results in larger carbon footprint and more greenhouse gases considering their higher electricity consumption, and it occasionally creates peaks in electricity demand from power supply grid. Solar energy as a renewable energy source is an alternative to drive the cooling machines since the cooling load is generally h
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4

Rosinski, Katarzyna. "Effects of primary treatment optimization on energy savings and recovery in conventional activated sludge process." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp05/MQ62957.pdf.

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5

Galvan, Javier. "Simulation of Tri-generation Systems with application of optimization." Thesis, KTH, Tillämpad termodynamik och kylteknik, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-95191.

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Despite the fact that cogeneration (CHP) and tri-generation (CHCP) are among the most efficient ways to produce electricity and thermal energy, there is still some unexploited potential for these techniques. One could say that the circumstances for using these techniques are better now than ever. Some of the reasons for applying CHP and CHCP are: the techniques are well understood, their application could generate some profit, and the required technology is available. Moreover, there is increasing concern in regards to energy security, the need to increase the energy efficiency in power genera
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6

Malchar, Jakub. "Posouzení možnosti využití alternativních zdrojů v energetickém hospodářství výrobního areálu." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2017. http://www.nusl.cz/ntk/nusl-318767.

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The Master’s Thesis prospects the suitability of installing a photovoltaic system and a cogeneration unit in the LIPOELASTIC manufacturing facility and proposes their actual realization. Theoretical part describes said facility, its current energy supply situation and presents the proposed realizations' principle of operation. Practical part contains concrete calculations needed for realizations' proposal and their economic evaluation both independently and jointly.
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7

Chieng, Pin-Cheng, and 江斌誠. "Energy Saving Analysis of Variable Primary Flow System with Screw Chiller." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/pz99m2.

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碩士<br>國立臺北科技大學<br>能源與冷凍空調工程系碩士班<br>100<br>Chilled water primary flow of central air conditioning system has been a constant flow operation. The paper focuses on the central air conditioning system of the chilled water primary variable flow of energy-saving operation. The concept is Trane first proposed in 1999, At the beginning , many people hold the altitude of doubt because of the complexity it involves . However, more and more successful cases are gradually raising the marketing acceptance . Decreasing the primary flow rates can obviously save energy from water pump, but the heat transfer
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8

Chou, Hsin-Hua, and 周信華. "Analysis of Real Field Energy-Saving Efficiency of Variable Primary Flow System." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/77347696443290623431.

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碩士<br>國立勤益科技大學<br>冷凍空調系<br>102<br>This study described the evolution of energy-saving technology of air conditioning chilled water system, and analyzed the operating characteristics and energy-saving benefit of Variable Primary Flow (VPF) and Constant Water Volume System (CWV) chilled water systems. The characteristics, merits and demerits and energy-saving benefits of variable flow and constant flow chilled water systems were also discussed and compared. The VPF system architecture, measuring instrument and measuring method, frequency converter parameter setting were discussed. The precaution
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9

Cheng, Ying-Yi, and 鄭鍚譯. "Energy Saving Study on Variable Primary Flow System in Air Conditioning System." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/w9z436.

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碩士<br>國立臺北科技大學<br>能源與冷凍空調工程系碩士班<br>96<br>The international energy price elevates day by day. How between the various countries with reduces energy consumption all not regarding strength to the energy effective use. Especially regarding it has the CO2 question. The topic has become the international concern course. Discussion content of the final conclusion according to Kyoto’s agreement. The between of stipulation industrialized country from 2008 to 2012. The complete greenhouse gas withdrawal compared with 1990 at least reduces 5%, therefore saved the energy to become all the people’s movemen
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10

Huang, Hui-Hsueh, and 黃惠雪. "A study of the effects of informal energy curricula on the primary students'' attitudes toward energy saving." Thesis, 1999. http://ndltd.ncl.edu.tw/handle/23108583000524336857.

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碩士<br>國立彰化師範大學<br>工業教育學系<br>87<br>This study was aimed at exploring the effects of informal energy curricula on the primary students’ attitude toward energy saving. The procedure could be divided to analyze relative literatures, to develop questionnaires, to conduct an experiment, to analyze the data, and to conclusion the results. The experimental design for this study was a quasi-experimental pretest-posttest design. Subject were 53 primary students from Shi-Song Primary School and Hsing-Hwa Primary School. The experimental group received the informal energy curricula for eight we
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11

Chun-YuHuang and 黃俊喻. "Primary-Side Feedback Control IC Design for Flyback Converter with Energy Saving Burst Mode." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/5skgwc.

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12

SAHOO, UMAKANTA. "MODELLING AND OPTIMIZATION OF A POLYGENERATION HYBRID SOLAR AND BIOMASS SYSTEM FOR POWER, COOLING AND DESALINATION." Thesis, 2017. http://dspace.dtu.ac.in:8080/jspui/handle/repository/16092.

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The global warming phenomenon as a significant sustainability issue is gaining worldwide support for development of renewable energy technologies. The term ‘polygeneration’ is referred to as “an energy supply system, which delivers more than one form of energy to the final user”, for example: electricity, cooling and desalination can be delivered from polygeneration process. The polygeneration process in hybrid solar thermal power plant can deliver electricity with lesser impact on environment compared to conventional fossil fuel based power generating system. It is the next gene
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13

HSIEH, Chia-En, and 謝嘉恩. "Energy-Saving Strategy and Efficiency Analysis for The Primary/Secondary Variable Volume Chiller System in TFT-LCD Fab." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/44465565567417187198.

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碩士<br>國立勤益科技大學<br>冷凍空調系<br>99<br>The cleanroom areas used in the TFT-LCD manufacturing grows with the increasing size of the TFT-LCD with larger and larger production line. The cooling load in the cleanroom also increases with the growing manufacturing area, and need more and more DC and MAU etc. air conditioning equipment. The energy consumption used in the facilities also raises with the increasing equipments. In the energy used in the air conditioning system, the chiller usually spend 60%, the pump spend about 20% of the total system energy. If the chiller pumps have not operated prop
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14

Liu, Cheng-Chuan, and 劉鎮銓. "A Study for Adopting the IDEAS Science Reading-Writing Model to Improve Knowledge and Behavior of Energy Saving and Carbon Reduction, and Environmental Attitude for Primary Higher Graders." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/16344453600116909540.

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碩士<br>國立屏東教育大學<br>數理教育研究所<br>102<br>The purpose of this study was to investigate if the IDEAS science reading-writing model can improve knowledge and behavior of energy saving and carbon reduction, and environmental attitude for primary fifth-grade students. Through energy teaching materials made by the researcher, this study examined the students’ change in the teaching process. This study only investigated 17 fifth-grade children taught by the researcher. The research adopted both the qualitative and quantitative research methods. In the quantitative research, the researcher used the “Knowle
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15

Huang, Chun-jung, and 黃俊榮. "A Study of the Attitude and Cognition towards the Subject of “Energy Saving and Carbon Reduction” - The Senior Students in the Primary Schools Located in Linyuan District of Kaohsiung City." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/86368482038452813628.

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碩士<br>大仁科技大學<br>環境管理研究所<br>100<br>The purpose of this study is to investigate the present situations, influences on different personal backgrounds and relevant situations of “energy saving and carbon reduction” of the senior students in the primary schools located in Linyuan District of Kaohsiung City. The author used self-made questionnaire as research instrument. From a total of 714 questionnaires given out, 95.5% or 682 effective samples were collected. SPSS 18.0 statistical software was employed to analyze the data by the tools including basic descriptive statistics, T-test, ANOVA, Schef
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