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Showing 1 to 20 of 53 for “"induced current"”.
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Transformer Thermal Assessment under Geomagnetically Induced Current Conditions
… transient phenomena such as Geomagnetically Induced Current (GIC). To fulfill this goal, it is necessary to perform several tasks in different fields, such as geometry and material modeling, electromagnetic studies, and investigation into computational fluid dynamic (CFD) analysis of …
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Laser beam induced current studies of Hg1-xCdxTe photodiodes
Laser-beam-induced-current (LBIC) is being investigated as a combined electro-optical (EO) alternative to individual electrical and optical based measurements of p-n junction photodiodes. The technique is non-destructive and employs a focused low-power laser beam that is scanned across the …
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Measurements of the alpha particle induced current in metal foils
… and with a custom built high precision current integrator. Measurements were made at pressures between 1 mTorr and atmosphere. At higher pressures, above 1 Torr, the measured current was greatly exceeded by the predicted current. At lower pressures, less than 0.1 Torr, the measured …
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Geomagnetically induced current sensitivity to assumed substation grounding resistances in the power system
… damage to the power grid by inducing quasi-dc currents called geomagnetically induced current (GIC). Protection against GMD therefore necessitates the accurate estimation of GICs. GICs estimation is challenging because it depends on substation grounding resistances, which 1) depend more on the …
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Optimal Mitigation of Geomagnetically Induced Current Effects in Power Systems Considering Transformer Thermal Limits
… concern as they give rise to geomagnetically induced currents (GIC) which have adverse effects on the national power grid and potentially damage transformers on the grid. GIC flowing along transmission lines and through the transformers in power systems can be attributed to problems ranging …
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The Trapped Charge Interfacial Modulation of the Electron Beam Induced Current in Metal Oxide Semiconductor Capacitors
… a region in the ERASE state, the electron beam induced current (EBIC) exhibits an abrupt reduction in the lateral current response--the trapped charge interfacial modulation (TCIM) of the EBIC. A new technique for extracting the Fu and Sah (23) device model parameters from a single spot-mode …
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Diffusion characterization of antimony-based type-II superlattices using electron beam induced current and time-resolved photoluminescence
… have superior performance, when compared to the current state-of-the-art infrared detectors, such performance has yet to be demonstrated. A primary limiting factor in T2SL device performance is the thermal generation of carriers via a variety of defects and impurities in the T2SL material. …
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Drying ceramic products using induced ultra-high frequency electrical energy
… test specimen by the use of ultra-high frequency induced current until shrinkage ceases is only thirty percent of the time required when heat is supplied by resistance wire heating coils. (b). It is possible, with the use of the ultrahigh frequency energy, to dry complicated shapes evenly over …
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Technique for Measuring Low Level Diffusion Signals on Conduit Protected Cables
Made available in DSpace on 2017-07-06T18:58:53Z (GMT). No. of bitstreams: 2 Spier_Edward_M_MS.pdf: 24756621 bytes, checksum: 747434229d934fd0ac6a9ae6bb51857e (MD5) license.txt: 4813 bytes, checksum: 715c4321821a960fa1a1e91d2ac7ebce (MD5) Previous issue date: 1976
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Electronic and Plasmonic Properties of Nano-Sized Gold/Strontium Titanate Interface
… electronic properties, and mechanisms of plasmon-induced current enhancement. A combination of drop-casting and high temperature annealing enables orientation control over nano-sized metal/oxide interfaces. To examine the electronic properties, individual Au nanoparticle/SrTiO3 interfaces with …
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Elektrische Mikrocharakterisierung von elektrochemisch hergestellten CIS-Solarzellen mittels EBIC
… geht es um die Interpretation von Electron-Beam-Induced-Current(EBIC)-Messungen an CIS-Solarzellen. Die EBIC-Messungen werden sowohl im Proben-Querschnitt (JEBIC) als auch planar (PEBIC) durchgeführt. Bei der JEBIC-Auswertung wird das Signal mit der lateralen Dosis des e-Strahls entfaltet. Die …
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Carrier transport properties measurements in wide bandgap materials
… transport properties. The two were optical beam induced current (OBIC) and electron beam induced current (EBIC) time of flight transient measurements. These techniques consist of measuring the current response to the drift and diffusion of generated electron-hole pair carriers created by a …
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Effects of GIC Neutral Blocking Devices (NBDs) on transmission lines protection performance and potential for resonance
Geomagnetic Induced Current (GIC) is a quasi-DC current that may have adverse effects on power system reliability. Several GIC blocking device (NBDs) designs are available, but the majority is capacitive. Concerns have arisen about the effects of NBDs on distance-protection relays. To investigate …
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Post-crystallisation treatment and characterisation of polycrystalline silicon thin-film solar cells on glass
… of 1.6 to 2.2. Cross-sectional electron beam-induced current measurements reveal that the p-n junction of our textured samples is disrupted and non-conformal due to the texture features.
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Degradation mechanisms of barium titanate based thick film capacitors
… porous high K dielectric material. The leakage current of a thick film capacitor made from Ag/Pd thick film conducting paste and high K dielectric has shown ohmic and space charge limited current behavior with a 3/2 power voltage dependence. Voltage independence of thermal activation energy and …
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Geomagnetically induced currents and their effect on power systems
… in the Earth’s magnetic field. Geomagnetically induced current (GIC) then enters the power grid and causes unusual real and reactive power flows, voltage fluctuations, frequency shifts, undesired relay operations, high third-harmonic currents and telemetry and supervisory alarm failures. A storm …
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Antimony-based type-II superlattice infrared photodetectors on indium-arsenide substrates
… next genera- tion of detectors in place of the current systems, such as mercury cadmium telluride. While type-II superlattices over a number of advantages in design and material quality, theoretical predictions of their high performance have yet to be realized. This work concentrates on novel …
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New technologies for neuromodulation
… already made the transition and is currently used by clinicians to treat depression. This device has several drawbacks, such as a limited ability to focus its energy to a relatively small region and to distribute energy to deep structures. This thesis simulates an inhomogeneous human …
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Modeling, simulation, and mitigation of the impacts of the late time (E3) high-altitude electromagnetic pulse on power systems
The student, Trevor Hutchins, accepted the attached license on 2015-11-24 at 10:07.
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