Sökning: "“Electrical Equivalent circuit”"
Visar resultat 6 - 10 av 14 uppsatser innehållade orden “Electrical Equivalent circuit”.
6. Lifetime estimation of lithium-ion batteries for stationary energy storage system
Master-uppsats, KTH/Skolan för kemivetenskap (CHE)Sammanfattning : With the continuing transition to renewable inherently intermittent energy sources like solar- and wind power, electrical energy storage will become progressively more important to manage energy production and demand. A key technology in this area is Li-ion batteries. LÄS MER
7. Charging time estimation and study of charging behavior for automotive Li-ion battery cells using a Matlab/Simulink model
Master-uppsats, KTH/Skolan för elektro- och systemteknik (EES)Sammanfattning : An accurate estimation of the charging time of an automotive traction battery is possible only with the knowledge of different parameters of the battery and the vehicle. If this information is not available to the driver, the full time needed for charging of the battery may have to be assessed only from experience. LÄS MER
8. Modelling of battery cooling for Formula Student application : 3D Simulation of air cooled lithium-ion battery with COMSOL Multiphysics®, applied on 2016 years KTH Formula Student car “EV12e”
Kandidat-uppsats, KTH/EnergiteknikSammanfattning : Electric and hybrid cars is one of the technologies to reduce the uses of fossil fuel. What is common with an electric car and a hybrid car is the use of battery to store electrical energy. To sustain high performance, long lifetime and to keep high safety in an electric vehicle it’s very important to control the temperature of the battery cells. LÄS MER
9. Earth Fault Currents in Three Phase systems
Kandidat-uppsats, Blekinge Tekniska Högskola/Institutionen för tillämpad signalbehandlingSammanfattning : This paper focuses on the grounding methods for distribution systems and the characteristics and behavior of earth fault currents. At First different existing grounding methods such as isolated neutral, solidly grounded, Resonant grounding, low and high impedance groundings are introduced. LÄS MER
10. Development of a methodology to simulate simple mismatching in photovoltaic systems
Master-uppsats, KTH/Tillämpad termodynamik och kylteknikSammanfattning : The currently available tools to simulate solar photovoltaic (PV) systems do not offer a reliable solution to simulate string or module level inverter systems with partial shading and modules with mismatching electrical characteristics. The available methodologies to simulate this satisfying require computational power that is not commonly available. LÄS MER