Uppsatser om converter

120 uppsatser · sida 3 av 8

Optimerade klimatlösningar för köpcenter

En parameterstudie i IDA Indoor Climate and Energy

Examensarbete, avancerad nivå · Chalmers tekniska högskola

… in the Kristianstad power grid own by C4energi caused by a frequency converter. Measurements on site are done to investigate signal damping in the grid, different configurations for the frequency converter and signal strength of the PLC-system. The PLC-system that is used is an …

Analys av högfrekvensstörningar och elnätskommunikation i distributionsnät

Examensarbete, avancerad nivå · Chalmers tekniska högskola

… in the Kristianstad power grid own by C4energi caused by a frequency converter. Measurements on site are done to investigate signal damping in the grid, different configurations for the frequency converter and signal strength of the PLC-system. The PLC-system that is used is an …

Direktsamplande digital transciever

Examensarbete, grundnivå · Linköpings universitet

… of components in the construction environment Cadence. Suitable A/D- converter and other important parts were selected at the end of the theoretic study. Subsampling technique was applied to make A/D sample requirements more realistic to achieve. Besides lowering requirements on …

Analys av verkningsgrad för en industriell DC-DC omvandlare

Kandidatuppsats · Chalmers tekniska högskola

… been on to identify the powerlosses in one of Kraftpowercons halfbridge DC-DC converters. First theoretical calculations are made, the calculations is verified with measurements of six different operation modes. In a later stage, methods like soft switching and synchronous …

Mätningar och analys av elnätet hos FHP, Basproduktion

Examensarbete, grundnivå · Linköpings universitet

… earlier and therefore it can be assumed that there are more built-in frequency converters without filter in pumps, compressors and machines in the whole net. After a number of measurements one can suppose that some parts of the FHP power net is unstable. In an unstable weak …

Analog-to-Digital Converter Design for Non-Uniform Quantization

Examensarbete, grundnivå · Linköpings universitet

… demonstrates a low-cost, low-bandwidth and low-resolution Analog-to- Digital Converter(ADC) in 0.35 um CMOS Process. A second-order Sigma-Delta modulator is used as the basis of the A/D Converter. A Semi-Uniform quantizer is used with the modulator to take advantage of input …

Lokalisering av vågkraftanläggningar

Metodutveckling med GIS och fallstudie Bohuskusten

Examensarbete, avancerad nivå · Uppsala universitet

… methodology to identify locations suitable for the installation of wave energy converters has been developed. Parameters of importance have been identified and a GIS-database has been set up, containing data about the marine environment. In a case study of the Swedish west coast …

Utveckling och konstruktion av dämpare och låssystem för vågkraftverk

Examensarbete, grundnivå · Uppsala universitet

The division of Electricity at Uppsala University is developing a wave energy converter(WEC) consisting of a linear generator connected to a bouy at the water surfacethrough a wire cable called the connection line.During extreme conditions, the wave power plant will experience …

UTVECKLING AV PROCESSORPLATTFORM

Magisteruppsats · Örebro universitet

… in the manufacture of a pattern card that can manage I/O units, such as D/A-converter, keyboard, display and serial port RS-232. The purpose was that the units should communicate with the processor. The application decides what the main unit is used for. The D/A-converter was …

Kvalitetssäkring av efterinjektering. En fältstudie i Nygårdstunneln

Examensarbete, avancerad nivå · Chalmers tekniska högskola

… % - 75 % and a duration of 100 ms to 200 ms. These dips tripped the frequency converters, motors and active filters on the low voltage side of HSP04. A comparison between the measurement data at Gryaab and Gothenburg Energy’s measurement data at the feeding 10 kV station in …

Bärighetskontroll av obundna granular material. En jämförelse mellan olika bärighetskontroller samt en alternativ utvärderingsmetod av bärighet med Lätt Fallvikt

Examensarbete, avancerad nivå · Chalmers tekniska högskola

… % - 75 % and a duration of 100 ms to 200 ms. These dips tripped the frequency converters, motors and active filters on the low voltage side of HSP04. A comparison between the measurement data at Gryaab and Gothenburg Energy’s measurement data at the feeding 10 kV station in …

Ventilationssystem med variabla luftflöden - Optimal dimensioneringsmetod för VAV

Examensarbete, grundnivå · Chalmers tekniska högskola

… % - 75 % and a duration of 100 ms to 200 ms. These dips tripped the frequency converters, motors and active filters on the low voltage side of HSP04. A comparison between the measurement data at Gryaab and Gothenburg Energy’s measurement data at the feeding 10 kV station in …

Energianalys av lackeringsbox. Utredning av ventilationssystem med åtgärdsförslag

Examensarbete, avancerad nivå · Chalmers tekniska högskola

… % - 75 % and a duration of 100 ms to 200 ms. These dips tripped the frequency converters, motors and active filters on the low voltage side of HSP04. A comparison between the measurement data at Gryaab and Gothenburg Energy’s measurement data at the feeding 10 kV station in …