2014
DOI: 10.1016/j.energy.2014.01.064
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Energy-efficient and cost-effective in-house substations bypass for improving thermal and DHW (domestic hot water) comfort in bathrooms in low-energy buildings supplied by low-temperature district heating

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Cited by 23 publications
(12 citation statements)
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“…The thermostat control performs better, as is also stated in the literature [14], whereas the theoretical benchmark has an efficiency that is about 10 percentage points higher, being an upper bound of what improvement could be reached, should bypass control be improved further. Possible future research could compare this upper bound with the bypass controller that uses the bypassed supply water in the bathroom floor heating system, as introduced by Brand et al [19]. In their study they reported an efficiency increase of 13%, though this cannot be compared to the 10 percentage points, because these efficiency increases have been defined in a different manner and for different cases.…”
Section: System Efficiencymentioning
confidence: 91%
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“…The thermostat control performs better, as is also stated in the literature [14], whereas the theoretical benchmark has an efficiency that is about 10 percentage points higher, being an upper bound of what improvement could be reached, should bypass control be improved further. Possible future research could compare this upper bound with the bypass controller that uses the bypassed supply water in the bathroom floor heating system, as introduced by Brand et al [19]. In their study they reported an efficiency increase of 13%, though this cannot be compared to the 10 percentage points, because these efficiency increases have been defined in a different manner and for different cases.…”
Section: System Efficiencymentioning
confidence: 91%
“…Improvements made in the past include the introduction of thermostatically controlled valves instead of manually operated valves, already reducing operational costs related to bypass flows significantly [14]. Additionally, Brand et al used the bypass mass flow for bathroom floor heating systems [19], which led to a reduction in system heat losses by 13%. This paper develops a bypass control strategy to integrate time delays, while avoiding MINLP.…”
Section: Developing a Theoretical Benchmark For Bypass Controlmentioning
confidence: 99%
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“…[2]. При этом потребители тепловой энергии могут иметь собственные системы управления подачей и распределением тепловой энер-гии -автоматизированные индивидуальные тепловые пункты (АИТП) [3].Однако для многих систем централизованного теплоснабжения в Российской Федерации в настоящее время характерно наличие объектов, в которых отсутствует АИТП. В этом случае на тепловых станциях применяется качественное регулирование, при котором подача тепловой энергии регулируется посредством изменения температуры подаваемого теплоносителя [4].…”
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