Zobrazeno 1 - 10 of 11 pro vyhledávání: '"Janar Kalder"'
1
Akademický článek
Organic Rankine Cycle-Ground Source Heat Pump with Seasonal Energy Storage Based Micro-Cogeneration System in Cold Climates: The Case for Canada
Autor: Wahiba Yaïci, Andres Annuk, Evgueniy Entchev, Michela Longo, Janar Kalder
Publikováno v: Energies, Vol 14, Iss 18, p 5705 (2021)
In cold climatic regions such as those located across Canada, it is necessary to implement heating system technology that is ultra-efficient and that has near-zero rates of emissions. Such systems would satisfy consumers’ energy needs and also comp
Externí odkaz: https://doaj.org/article/cbcd856bdd9a409cb971df3d5e3fe77b
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2
Akademický článek
Increasing Solar Energy Usage for Dwelling Heating, Using Solar Collectors and Medium Sized Vacuum Insulated Storage Tank
Autor: Janar Kalder, Andres Annuk, Alo Allik, Eugen Kokin
Publikováno v: Energies, Vol 11, Iss 7, p 1832 (2018)
This article describes a method for increasing the solar heat energy share in the heating of a dwelling. Solar irradiation is high in summer, in early autumn, and in spring, but during that same time, the heat demand of dwellings is low. This article
Externí odkaz: https://doaj.org/article/d29710464a1a47168deb4b5e89f90990
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3
Organic Rankine Cycle-Ground Source Heat Pump with Seasonal Energy Storage Based Micro-Cogeneration System in Cold Climates: The Case for Canada
Autor: Andres Annuk, Evgueniy Entchev, Janar Kalder, Wahiba Yaïci, Michela Longo
Publikováno v: Energies
Volume 14
Issue 18
Energies, Vol 14, Iss 5705, p 5705 (2021)
In cold climatic regions such as those located across Canada, it is necessary to implement heating system technology that is ultra-efficient and that has near-zero rates of emissions. Such systems would satisfy consumers’ energy needs and also comp
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::35a28be0ef798af3dff79c3a01476665
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4
Methods for Increasing Shares of Self-Consumption in Small PV Solar Energy Applications
Autor: Toivo Kabanen, Andres Annuk, Janar Kalder, Risto Ilves, Maido Märss, Peep Miidla, Mart Hovi, Birgitta Martinkauppi
Publikováno v: 2020 9th International Conference on Renewable Energy Research and Application (ICRERA).
The article analyses the possibilities of increasing PV electricity self-consumption, based on the data of a residential house. This is important for producing electricity from a PV station to the microgrid; to reduce the amount of electricity purcha
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ed765dd1caa862480a5455e7e55c3929
https://doi.org/10.1109/icrera49962.2020.9242902
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6
Augmentation of Self-Consumption of Electricity by Using Boilers and Batteries for Residential Buildings
Autor: Alo Allik, Erkki Jogi, Mihkel Harm, Andres Annuk, Heino Pihlap, Heiki Lill, Janar Kalder, Algirdas Jasinskas, Sergei Trashchenkov, Mart Hovi
Publikováno v: 2018 7th International Conference on Renewable Energy Research and Applications (ICRERA).
The main problem of using renewable energy sources is their stochastic nature. To solve this problem, storage technologies are needed. In this study we explored a system that consists of renewable energy sources (wind and photovoltaic), non-shiftable
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1a300e040b7e33a1b03dd505e59322c8
https://doi.org/10.1109/icrera.2018.8566872
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7
Increasing Solar Energy Usage for Dwelling Heating, Using Solar Collectors and Medium Sized Vacuum Insulated Storage Tank
Autor: Andres Annuk, Alo Allik, E. Kokin, Janar Kalder
Publikováno v: Energies, Vol 11, Iss 7, p 1832 (2018)
Energies
Volume 11
Issue 7
This article describes a method for increasing the solar heat energy share in the heating of a dwelling. Solar irradiation is high in summer, in early autumn, and in spring, but during that same time, the heat demand of dwellings is low. This article
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fdd85b4096e6a03169071b7c34c7fa83
http://www.mdpi.com/1996-1073/11/7/1832
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9
INCREASING ELECTRICITY SELF-CONSUMPTION IN RESIDENTIAL BUILDINGS BY ELECTRICITY-TO-HEAT CONVERSION AND STORAGE
Autor: Mart Hovi, Tonis Peets, Alo Allik, Andres Annuk, Jaanus Uiga, Janar Kalder, Hardi Hoimoja, Heino Pihlap, Erkki Jogi, Eve Aruvee, Maido Märss
Publikováno v: Proccedings of International Scientific Conference "RURAL DEVELOPMENT 2017".
The current paper addresses energy storage issues in residential buildings with the objective of increasing direct consumption. The building, connected to an utility grid, is supplied by a micro wind turbine and PV panels. The utility grid itself act
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1959454c3cf6cb5c2c904fbdde2272c3
https://doi.org/10.15544/rd.2017.205
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10
OPTIMAL WIND/SOLAR ENERGY MIX FOR RESIDENTIAL NET ZERO-ENERGY BUILDINGS
Autor: Erkki Jogi, Maido Märss, Jevgeni Fadejev, Mart Hovi, Andres Annuk, Janar Kalder, Hardi Hoimoja, Alo Allik, Jarek Kurnitski, Heiki Lill, Algirdas Jasinskas
Publikováno v: Proccedings of International Scientific Conference "RURAL DEVELOPMENT 2017".
The article is concentrated on the energy storage problems arising from microgeneration in private households. The case study involves a small-scale wind and solar electricity production set in a net zero-energy building. Both the net zero-energy bui
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0a33ef544e529b71c5cbf9401bf86586
https://doi.org/10.15544/rd.2017.020
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