Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 10 of 10 for “"inductive load"”.
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Turn-Off Voltage Sharing of Field-Stop IGBTs in Series Connection under Inductive Load Conditions
… series connection during the IGBT turn-off under inductive load condition. The discussions in this thesis are regarding modern Field-Stop (FS) Si IGBTs which are widely adopted. The key mechanisms at IGBT device level are discussed regarding the turn-off voltage sharing of series-connected IGBTs …
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Design of a novel test bench for induction heating load characterization
… heating experimentation, capable of driving an inductive load across a 1-100 kHz frequency range with up to 2 kW power. Harmonic distortion of the inverter is minimized with a novel multilevel topology and modulation scheme, thus allowing near-sinusoidal excitations to be obtained at varying …
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A microprocessor control scheme for switched reluctance motor drives
… Experimental results performed on a static inductive load using a simulated position feedback are presented, showing how the current control available at lower speeds is lost at higher speeds, due to limited dc bus voltage. A listing of the controller software with adequate comments and the …
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Insulated gate bipolar transistor (IGBT) simulation using IG-Spice
… the measured data for single device used in inductive load, and by comparing the static and dynamic current sharing of paralleled IGBTs. The simulated results are verified with experimental results. Accuracy is determined by the accuracy of the required parameters extracted.
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Design of a 350 kW Silicon Carbide Based 3-phase Inverter with Ultra-Low Parasitic Inductance
… tested under various conditions with a 3-phase inductive load simulating a motor load. The test results presented include output power and efficiency at various bus voltages, currents, and switching frequencies. </p>
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MEMS relays for make-break power switching applications : {111} silicon etched planar electrical contacts
… safety reasons, electrical codes stipulate that loads in certain power applications must be disconnected by open gaps. This requirement imposes significant isolation, heat dissipation, tribology and reliability constraints on a relay.The objective of this research is to explore power handling by …
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High Efficiency IGBTs through Novel Three-Dimensional Modelling and New Architectures
… modelling of the power devices switching under inductive load was explored as the system was optimised to use a SiC MOSFET in excess of its nominal ratings, reducing the overall system cost.
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Power quality enhancement at distribution level utilizing the unified power quality conditioner (UPQC)
… unbalance, voltage flicker, current harmonics, load reactive power, current unbalance, and neutral current. A UPQC consists of two voltage source inverters connected back to back with each other sharing a common self- supporting DC link. One inverter is controlled as a variable voltage source in …
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Zero-Dimensional Model for the Dense Plasma Focus
Made available in DSpace on 2017-07-06T18:55:14Z (GMT). No. of bitstreams: 3 Mandrekas_John_MS.pdf: 18884530 bytes, checksum: e49912e6269144f16063c50d0f2085f5 (MD5) Mandrekas_John_MS_ABS.pdf: 400736 bytes, checksum: 4618fd922638eb6b094730a6a3b57b6e (MD5) license.txt: 4813 bytes, checksum: …
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Active Source Management to Maintain High Efficiency in Resonant Conversion over Wide Load Range
… alternative when the quality factor of the load is significantly high. The input current of a CF resonant inverter is considerably smaller than the output current, which benefits efficiency. A simple, parallel resonant tank is sufficient to create a high-power sinusoidal signal at the …