Sökning: "Frequency converter"
Visar resultat 1 - 5 av 154 uppsatser innehållade orden Frequency converter.
1. Application of Fourier Transforms to time-resolved ambient pressure spectroscopy operando studies of CO oxidation over Pt(111)
Master-uppsats, Lunds universitet/Fysiska institutionen; Lunds universitet/SynkrotronljusfysikSammanfattning : The study of heterogeneous catalysis has important implications in increasing the efficiency of industrial processes and in reducing the emissions of greenhouse gases from sources such as automobiles. A reaction with high industrial relevance is the oxidation of CO on noble metal catalysts. LÄS MER
2. Evaluation of OPAL-RT Simulator through Simulation of Microgrid with High Penetration of DER
Uppsats för yrkesexamina på avancerad nivå, Uppsala universitet/ElektricitetsläraSammanfattning : This thesis was written in collaboration with the department of electrical engineering at Uppsala University. It evaluates and tests the potentials and limitations of using the OPAL-RT simulator as a tool for designing and developing control strategies used in microgrids with a high penetration of distributed energy resources. LÄS MER
3. Development and Analysis of Small Signal DQ-Frame Model for Low Frequency Stability of Train Converters
Master-uppsats, KTH/Skolan för elektroteknik och datavetenskap (EECS)Sammanfattning : In order to meet the increasing demand for sustainable transportation, trains need to run with tighter schedules, more departures and more trains in depot. Multiple trains in depot has been linked to low frequency instability at many locations around the world. LÄS MER
4. Frekvensomriktarens påverkan i dagens industri
Kandidat-uppsats, Högskolan i Gävle/Avdelningen för elektroteknik, matematik och naturvetenskapSammanfattning : The purpose of the study was to cover the impact of variable frequency drives in to-day's industry. A partial aim was also to study perspectives regarding the advantages and disadvantages of the variable frequency drive, its function based on sustainability, production efficiency and demand. LÄS MER
5. LCC-analys av en elmotordrift
Kandidat-uppsats, Högskolan i Gävle/ElektronikSammanfattning : AFRY är ett ingenjörsföretag som har efterfrågat en studie som går ut på att ur ett elkonstruktionsperspektiv hitta enklare åtgärder för att bespara industrier pengar ge-nom att utföra energieffektiva investeringar i kontinuerliga elmotordrifter. Detta är extra relevant idag då energikostnaderna ökat anmärkningsvärt de senaste åren. LÄS MER