Essays about: "OLTC"
Found 3 essays containing the word OLTC.
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1. Vibroacoustic Analysis of an OLTC Diverter Switch for Condition Monitoring : Time frequency analysis with Fourier and wavelet transform in combination with multivariate logistic regression for condition monitoring of OLTC diverter switch
University essay from Uppsala universitet/Avdelningen för systemteknikAbstract : Vibrations are everywhere around us all the time and we often recognise them as sounds that we can hear and analyse with our brain. In this thesis, data that has been gathered from a diverter switch (DS) in a controlled environment, is analysed. READ MORE
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2. Analysis of factory test data of on-load tap-changers for power transformers
University essay from Uppsala universitet/Avdelningen för systemteknikAbstract : On-load tap-changers (OLTC) are devices in the power grid that keeps the voltage level constant for consumers, regardless of the power demand. Hitachi ABB Power Grids, producer of the OLTC family named VUC, guarantees 30 years of lifetime. Such a pledge requires high standard devices. READ MORE
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3. Distribution On Load Tap Changer Control Using IEC61850 Client/Server Architecture
University essay from KTH/Skolan för elektro- och systemteknik (EES)Abstract : Distributed generation is transforming the power system grid to decentralized system where separate units like wind power generators or solar panel shall coexist and operate in tandem in order to supplement each other and make one extensive system as a whole so called smart grid. It is utmost important to have a control ability over such units not only on a field level but on a system level as well. READ MORE