Essays about: "Johanna Olsson"

Showing result 1 - 5 of 24 essays containing the words Johanna Olsson.

  1. 1. En entrégestaltning med dagvattenlösningar samt vegetationsval : ett samarbete mellan en landskapsingenjör och en trädgårdsingenjör

    University essay from SLU/Dept. of Landscape Architecture, Planning and Management (from 130101)

    Author : Johanna Jacobsson; Emma Olsson; [2023]
    Keywords : gestaltning; regnbädd; dagvattenhantering; dagvattenlösninga; dagvattenberäkningar; vegetation;

    Abstract : Det här arbetet sammanfattas under 15 högskolepoäng, där vi är två skribenter från två olika kandidatprogram. Trädgårdsingenjörsprogrammet - Design samt landskapsingenjörsprogrammet. Vi var intresserade av hur samarbetet mellan våra kompetenser från våra olika utbildningar skulle fungera. READ MORE

  3. 2. Childhood Victimization and Adult Mental Health : A Quantitative Study on the Prevalence of Depression, Anxiety and Hazardous Alcohol Use in Swedish University Students

    University essay from Malmö universitet/Institutionen för kriminologi (KR)

    Author : Johanna Olsson; [2022]
    Keywords : anxiety; childhood victimization; depression; hazardous alcohol use; mental health;

    Abstract : This thesis investigates whether an association can be established between childhood victimization (CV) and current mental health (MH) among Swedish university students, focusing on the prevalence of anxiety, depression and hazardous alcohol use (HAU) in relation to different forms of CV. The data comes from the World Mental Health International College Student Initiative, a global survey designed to generate data on MH disorders, as well as implement and evaluate web-based interventions aimed at preventing and treating said disorders. READ MORE

  4. 3. Parameter Study of Arc Squeezing DC Breaker : The impact of the geometry on counter force, pressure, and arc voltage

    University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Author : Johanna Olsson; [2022]
    Keywords : Arc squeezing; DC breaker; Polymer ablation; Pressure measurement; Ljusbågssläckning; DC brytare; Polymerablation; Tryckmätning;

    Abstract : The sustainable future in our already electrified world includes solar power generation, battery storage, and electric vehicles all which requires DC systems. DC breakers play a key role in operation and protection within the DC system. READ MORE

  5. 4. Transmission Modeling for Optimization of Electric Powertrains

    University essay from Lunds universitet/Maskinelement

    Author : Jacob Lundborg; Johanna Hulth Olsson; [2021]
    Keywords : Electric vehicle transmission; multi-objective optimization; mass minimization; power loss minimization; Technology and Engineering;

    Abstract : Over the last decade, the number of electric vehicles (EVs) on the world's roads has rapidly increased. Optimization of power consumption in electric powertrains will, therefore, lead to reduced energy usage in the road transport sector. READ MORE

  6. 5. Implementation of Nodes in HVDC Grids

    University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Author : Johanna Olsson; [2020]
    Keywords : HVDC transmission; inverter; pulse width mod-ulation inverters; pulse width modulation; power quality; har-monics; bipolar switching; unipolar switching; total harmonicdistortion;

    Abstract : This project is made for a deeper understanding ofhow frequency and amplitude of the waves that create the controlwave in a Pulse Width Modulated 2-level inverter affect the powerquality and power losses. The results were that a high frequencyreduces the Total Harmonic Distortion but increases the powerloss. READ MORE