Essays about: "dielectrics"

Showing result 1 - 5 of 10 essays containing the word dielectrics.

  1. 1. Investigation of MIDEL 7131’s Dielectric Breakdown Strength and Thermal Behaviour : Master Thesis, an experimental study using concentric-like electrodes at elevated temperatures to study breakdowns

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

    Author : Kim Lin; [2023]
    Keywords : Dielectric strength; High voltage; Liquid dielectric; MIDEL 7131; Electrical breakdown; Temperature cycle; Dielektrisk styrka; Högspänning; Dielektriska vätskor; MIDEL 7131; Elektrisk nedbrytning; Temperaturcykling;

    Abstract : Dielectric insulation are constantly exposed to various stresses, while also being expected to last for long periods of time. Naturally, they degrade with use and in demanding operational environments, this degradation phenomena can be accelerated, leading to costly consequences. READ MORE

  3. 2. Dielectric properties of ion-exchanged electrotechnical insulation papers : A study on the properties of novel papers

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

    Author : Dan Selsmark; [2023]
    Keywords : Paper insulation; Frequency Domain Spectroscopy; Dielectric response; Karl Fischer titration; Dielectrics; Pappersisolering; Frekvensdomänsspektroskopi; Dielektrisk respons; Karl Fischer titrering; Dielektrika;

    Abstract : Electrical insulation papers are a widely used group of papers in insulation applications and has been used for more than 100 years. Common applications include use as the dielectric medium in capacitors and insulation material in cables, bushings and transformers. READ MORE

  4. 3. Microwave-Based Approach in Non-invasive Intra-Cranial Pressure Monitoring(nICP)

    University essay from Uppsala universitet/Institutionen för informationsteknologi

    Author : Kughan Krishnaswami; [2021]
    Keywords : ;

    Abstract : In the past few decades, microwave technology has been playing a pivotal role in the medical field. This technique has paved the way for significant inventions for adapting from invasive to non-invasive methods. READ MORE

  5. 4. Dielectrics calculation of on-load tap-changer VUCL

    University essay from KTH/Hållbar produktionsutveckling (ML)

    Author : Seywan Karimi; [2021]
    Keywords : Dielectrics; tap-changer; transformer; lightning impulse levels LI ; system voltage; direct current; resistor; and epoxy material; Dielektriska; lindnings kopplar; transformator; blixtimpuls nivåer LI ; systemspänning; likström; motstånds; epoximateria;

    Abstract : This is a bachelor's thesis in Mechanical engineering. The main topic of the thesis is the electrical calculation of the tap changer's shield. Although there are many kinds of tap-changers, this study focuses on VUCL models. The theoretical background of the thesis is that the new shield is suitable and useable in all VUCL models. READ MORE

  6. 5. 3D Printing a Maxwell Fish Eye Lens With Periodic Structures

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

    Author : Valentine Lin; Tarek Sayed Hamad; [2019]
    Keywords : Maxwell fish eye lens; dielectric lens antenna; metamaterial; periodic structure; 3D printed lenses.;

    Abstract : With the rise of high frequency communication systems such as 5G, new types of antennas has to be developed in order to meet the new requirements. In recent years, lens antennas made of periodic structures has been shown to have desirable performance when increasing operational frequency without increasing the size of the antennas. READ MORE