Aigars Vitols's research while affiliated with Riga Technical University and other places
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Publications (7)
This paper presents analysis of heating processes of 32.3m 3 room which is heated up by universal central heating boiler “Dacon — FB 36” which is equipped with experimental automatic briquettes feeding system — ABFS.
This paper presents analysis of automation and heating processes of 120 liters water boiler which is heated up by universal central heating boiler "Dacon — FB 36" which is equipped with experimental automatic briquettes feeding system.
Experimental Results from Physical Model of Bidirectional Power Flow Regulator for Power Substations of Electrical Transport
This article is about model of bidirectional power flow regulator for power substations of electrical transport. The paper presents an experimental model which is made in the laboratory of Power and electrical engineering of...
Citations
... Besides, there is an asymmetric voltage distribution between SC cells, leading to uneven cell wear [7]. Therefore, various voltage balancing circuits are used [8], [9]. It was further assumed that the voltage distribution between the cells is perfectly evenly balanced. ...
... Close monitoring of building indoor climate conditions and building business processes, like occupancy, equipment usage, can be easily done using IoT based distant data acquisition and telemetry [5]. Wireless IoT systems are easy to install, thus they become very popular in various areas, and it is only matter of time, when new application fields and control algorithms could be introduced also for automated heating boiler systems with automatic briquettes feeding system like [6] or pellet based systems. As mathematical model with real time input data from IoT sensors can be used also for energy consumption prediction, then such smart building can enable valuable input for decentralized energy management system, if it is using AC/DC or DC/DC type energy storage systems and converters like [7], for example in case of electric car, that has DC battery. ...
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... The output power of 16 W was obtained from the four blades spherical turbine, which is a good result from a small prototype. The proposed designs are recommended for implementation in-pipe hydro system [26], and mainly they can be used in the locations of that require pressure reduction as an alternative for pressure control valves. Moreover, a case study was conducted to investigate the benefit of the proposed system in the water network in Amman-Jordan. ...
... • the necessity to modify substations, including replacement of power transformers or installation of additional ones; • simple reversible thyristor rectifiers have a low power factor and distorted line current [4], while transistor rectifiers with a sinusoidal current waveform are rather complicated and expensive; ...
