Sökning: "Frequency converter"

Visar resultat 26 - 30 av 154 uppsatser innehållade orden Frequency converter.

  1. 26. Frekvensomriktare - med inriktning på framtagning av H-PFC för låg påverkan på det matande nätet enligt standard IEC 61000-3-2

    Kandidat-uppsats, Lunds universitet/Industriell elektroteknik och automation

    Författare :Felix Rödén; Olle Jonasson; [2022]
    Nyckelord :H-PFC; THD; Harmonics; IEC-61000-3-2; Evaluation board; Frequency converter; Technology and Engineering;

    Sammanfattning : This bachelor thesis was conducted by two students from Lunds University at ASSA ABLOY Entrance Systems in Landskrona, a company that develops and produces automatic entrance doors. We focused on their High performance product which is a high-speed roll-up door. LÄS MER

  3. 27. Model verification and common mode current analysis of grid connected three phase two level converters

    Uppsats för yrkesexamina på avancerad nivå, Lunds universitet/Industriell elektroteknik och automation

    Författare :Simon Lindvall; Richard Haraldsson; [2021]
    Nyckelord :active filter; EMC; EMI; converter; common mode; differential mode; shunt active filter; parasitic elements; Technology and Engineering;

    Sammanfattning : In this Master’s thesis an in-depth model of a shunt active filter for high frequency analysis is constructed. The purpose is to enable analysis of higher frequency behavior reaching 1MHz. Using the high frequency model, common mode currents can be simulated. LÄS MER

  4. 28. EMC Pre-Compliance Testing and Development in PCB Design

    Master-uppsats, Linköpings universitet/Elektroniska Kretsar och System

    Författare :Vinod Diwakara; [2021]
    Nyckelord :;

    Sammanfattning : Every electronics product should be electromagnetic compatible and adherence to appropriate standards for commercial success. Solar Bora, situated in Linköping, manufactures off-grid power systems with solar cell systems that deliver a high-power output of 230 VACclean and stable electricity. LÄS MER

  5. 29. Methods of self-interference cancellation in full duplex telecommunication systems

    Master-uppsats, Uppsala universitet/Institutionen för elektroteknik

    Författare :Henrik Erlandsson; Viktor Sköldheden; [2021]
    Nyckelord :telecommunication; full duplex; self-interference cancellation; electronics; wireless communication; power amplifier;

    Sammanfattning : With the wireless technology evolving quickly, so does the demand of speed and efficiency. This makes the companies look for new and better ways to improve the current systems. One way of improving the present systems would be to employ Full Duplex Technology. LÄS MER

  7. 30. Adaptive Voice Control System using AI

    Kandidat-uppsats, Malmö universitet/Fakulteten för teknik och samhälle (TS)

    Författare :Jasmine Steen; Markus Wilroth; [2021]
    Nyckelord :Mel Frequency Cepstral Converter; MFCC; Artificial Neural Network; ANN; Automatic Speech Recognition; ASR; Voice Controller; Speech Recognition; Speech Model;

    Sammanfattning : Controlling external actions with the voice is something humans have tried to do for a long time. There are many different ways to implement a voice control system, and many of these applications require internet connections. LÄS MER