Essays about: "power quality"
Showing result 41 - 45 of 854 essays containing the words power quality.
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41. Joint CFR and DPD optimization for 5G Digital Front Ends
University essay from Lunds universitet/Matematik LTHAbstract : This thesis project investigates the topic of joint optimization for crest factor reduction and digital predistortion blocks, which are used for digital correction of analogue impairments in digital radio front ends. The work first investigates the effects of joint parameter variation of the above blocks on the global performance and computational cost of the digital chain, given reference CFR and DPD algorithms. READ MORE
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42. Topic Modeling for Customer Insights : A Comparative Analysis of LDA and BERTopic in Categorizing Customer Calls
University essay from Umeå universitet/Institutionen för matematik och matematisk statistikAbstract : Customer calls serve as a valuable source of feedback for financial service providers, potentially containing a wealth of unexplored insights into customer questions and concerns. However, these call data are typically unstructured and challenging to analyze effectively. READ MORE
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43. Ray-tracing Based Investigations on the Deployment of RISs in Indoor Scenarios
University essay from Lunds universitet/Institutionen för elektro- och informationsteknikAbstract : Reconfigurable intelligence surface (RIS) is a promising candidate technology for future 6G wireless communication systems. In existing communication systems, the network operators are unable to control the propagation environment, which causes significant limitations on communication performance. READ MORE
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44. Evaluation of key performance indices for frequency quality : A method for evaluating frequency stability in the Nordic power system
University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)Abstract : The Nordic power system is in a changing phase, with more power electronic interfaced connections, and HVDC connections to other synchronous areas, which impacts the frequency quality. This is a challenge for the transmission system operator of Sweden, Svenska Kraftnät, who, with the other Nordic transmission system operators, is responsible for the physical balancing of the Nordic power system. READ MORE
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45. Grey-box Modeling of Hydropower Plants for Improved Frequency Regulation : Evaluation of Double-Regulated Hydropower Turbines for Fulfillment of the New FCR-requirements
University essay from Uppsala universitet/ElektricitetsläraAbstract : Over the last decades, the frequency on the Nordic electrical power grid has deteriorated. Therefore, new stricter requirements are developed for the hydropower delivering regulating active power on the Frequency Containment Reserve market (FCR). READ MORE