Essays about: "Niklas Hedlund"

Found 3 essays containing the words Niklas Hedlund.

  1. 1. Implementing VLF as diagnostic test for HV motors and generators : A comparative study of diagnostic tests performed at different frequencies

    University essay from Uppsala universitet/Institutionen för teknikvetenskaper

    Author : Niklas Hedlund; [2019]
    Keywords : Dissipation factor; epoxy mica insulation; partial discharges; rotating machines; stator winding insulation; very low frequency;

    Abstract : High voltage testing of the stator winding insulation is one of the most recognized methods used to determine the state of degradation in the insulation. HV tests performed at 0.1 Hz do have potential advantages compared to more traditional 50 Hz tests. READ MORE

  3. 2. Intelligent Wind Turbine Using Fuzzy PID Control

    University essay from KTH/Mekatronik

    Author : Richard Hedlund; Niklas Timarson; [2017]
    Keywords : Intelligent Wind Turbine; Fuzzy PID Control; Power Generation;

    Abstract : This thesis demonstrates how small wind turbines can contributeto a greener planet by using wind energy to generateelectrical power. It compares the conventional PIDcontroller with the Fuzzy PID controller, implemented ina small wind turbine that was constructed using variousmachines. READ MORE

  4. 3. En studie av Lundellska skolan : energikartläggning, energieffektivisering och dimensionering av solcellsanläggning

    University essay from SLU/Dept. of Energy and Technology

    Author : Sophia Appelstål; Wilma Falk; Anton Gustafsson; Lovisa Gustafsson; Niklas Hedlund; Tobias Klockare; Simon Nordén; Johan Skrealid; Cristina Stoltz; [2017]
    Keywords : totalmetodiken; fotovoltaiska system; Simulink; PVsyst; Green Building Certifikat; styr- och reglersystem; energibesparing;

    Abstract : Lundellska skolan Skrapan is an upper secondary school located in the Ulleråaker district in Uppsala, Sweden. The building was completed in 1986 and houses approximately 1150 students and a staff of 148 members. Obtained by Skolfastigheter AB by the end of the year of 2016, the company initiated a planning phase for a renovation. READ MORE