Sökning: "Thomson Coil"

Hittade 4 uppsatser innehållade orden Thomson Coil.

  1. 1. Electromagnetic modellin and testing of a Thomson coil based actuator

    Master-uppsats, KTH/Elkraftteknik

    Författare :Bence Hátsági; [2017]
    Nyckelord :Actuator design; FEM simulation; HVDC; hybrid circuit breaker; Thomson coil; vacuum interrupter iii; Aktuatordesign; FEM-simulering; HVDC; hybridbrytare; Thomsonspole; vakuumbrytare;

    Sammanfattning : The aim of the present thesis is to improve and optimize a Thomson coil based actuatorfor medium voltage vacuum interrupters. The Thomson coil based actuator’s concept isdiscussed. The thesis presents analytical as well as finite element models of the actuatoralong with a comparison of their results. LÄS MER

  3. 2. Dynamics of an ultra-fast Thomson actuated HVDC breaker

    Master-uppsats, KTH/Maskinkonstruktion (Inst.)

    Författare :Miguel Álvarez Sánchez; [2017]
    Nyckelord :HVDC; Ultra-fast Circuit Breaker; Thomson coil actuator; HVDC; ultra-snabb strömbrytare; Thomson-spole manöverdon;

    Sammanfattning : High Voltage Direct Current (HVDC) is a rapidly growing form of power transmission that offers advantages with respect to conventional AC networks. One of the key elements that will allow the generalization of the HVDC grids is the Circuit Breaker (CB), which has to interrupt high DC currents in extremely short times. LÄS MER

  4. 3. Simulation, design and experimental validation of a passive magnetic damper for ultra-fast actuators

    Master-uppsats, KTH/Elektroteknisk teori och konstruktion

    Författare :Chen Chen; [2014]
    Nyckelord :Damping; Thomson actuator; eddy currents; magnets; ferromagnetic materials;

    Sammanfattning : A contact system driven by a high energetic Thomson actuator requires to be decelerated from full speed down to zero. The forces originated from the interaction between a stationary copper tube and a moving array of magnets combined with plastic or ferromagnetic material are used to generate eddy-current damping. LÄS MER

  5. 4. Modeling and Optimizing Ultra-fast Thomson-type Actuators for Electrical Switches

    Master-uppsats, Blekinge Tekniska Högskola/Sektionen för ingenjörsvetenskap

    Författare :Mohammadali Honarpardaz; [2011]
    Nyckelord :Thomson Coil; Ultra-fast Actuators; Circuit Breakers; Multi objective Optimization; Electromagnetic Force; Finite Element Method; COMSOL Multiphysics.;

    Sammanfattning : In order to obtain an ultra-fast actuator functionality in mechanical switching mechanisms, Thomson-type coils (TC) can be a suitable choice to be employed, with the ability to exert massive forces in short time. In this Master thesis, a practical Thomson coil was designed and simulated with finite element methods to present features and the performance of TC-type actuators, primarily from the mechanical aspects. LÄS MER