Academic literature on the topic 'Current voltage measurements'

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Journal articles on the topic "Current voltage measurements"

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Velychko, Oleh, Valeriy Kikalo, Yurii Anokhin, and Tetyana Gordiyenko. "Main results of supplementary comparisons of high voltage and current measuring systems." Ukrainian Metrological Journal, no. 2 (July 5, 2023): 16–21. http://dx.doi.org/10.24027/2306-7039.2.2023.286710.

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High voltages of alternative current (AC) are important because they are needed for numerous applications in physics and engineering. High AC voltages are also used to test insulating materials for their dielectric properties. Calibrations of instruments for high-voltage measurements should provide metrological traceability to national standards. This applies to the requirements for both voltage measuring instruments and current measuring instruments. The transformer for high-voltage measurements is used to reduce the values of currents and voltages during measurements in high-voltage electric
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Barnard, Arthur W., Evgeny Mikheev, Joe Finney, Han S. Hiller, and David Goldhaber-Gordon. "Feedback lock-in: A versatile multi-terminal measurement system for electrical transport devices." Review of Scientific Instruments 94, no. 1 (2023): 013902. http://dx.doi.org/10.1063/5.0089194.

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We present the design and implementation of a measurement system that enables parallel drive and detection of small currents and voltages at numerous electrical contacts to a multi-terminal electrical device. This system, which we term a feedback lock-in, combines digital control-loop feedback with software-defined lock-in measurements to dynamically source currents and measure small, pre-amplified potentials. The effective input impedance of each current/voltage probe can be set via software, permitting any given contact to behave as an open-circuit voltage lead or as a virtually grounded cur
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Kubiczek, Krzysztof, Marian Kampik, Michał Grzenik, Krzysztof Musioł, and Anna Piaskowy. "Wideband AC Voltage Standards." Pomiary Automatyka Robotyka 28, no. 2 (2024): 81–88. http://dx.doi.org/10.14313/par_252/81.

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This article presents a critical review and comparison of constructions and metrological properties of contemporary wideband standards for AC voltage. It focuses on selected thermal voltage converters (TVCs) used in alternating current-direct current (AC-DC) transfer voltage standards and for the most precise measurements of AC voltages up to approximately 100 MHz. These devices serve as primary AC voltage standards at National Measurement Institutes (NMIs).
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Nonaka, Kyoya, Tadashi Koshizuka, and Kunihiko Hidaka. "Current Measurement at Prospective Transient Recovery Voltage Measurements." IEEJ Transactions on Power and Energy 140, no. 9 (2020): 700–704. http://dx.doi.org/10.1541/ieejpes.140.700.

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Cascante, Giovanni, John Vanderkooy, and Wilson Chung. "Difference between current and voltage measurements in resonant-column testing." Canadian Geotechnical Journal 40, no. 4 (2003): 806–20. http://dx.doi.org/10.1139/t03-023.

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The resonant-column test is one of the most common procedures for dynamic characterization of soils (American Society for Testing and Materials standard). The test procedures require the measurement of the current flowing through the driving coils. In many cases, however, the input voltage has been measured and the results analyzed as a traditional current measurement. In this paper, the difference between current and voltage measurements is clarified; specifically, a new transfer function is presented for the analysis of data when the input voltage is measured. The new model is evaluated by t
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Vanin, Valery, Alexandr Bulychov, Maxim Popov, Olga Vasilyeva, and Maria Shakhova. "About influence of non-sinusoidal currents and voltages on the amount of the electric energy." MATEC Web of Conferences 245 (2018): 06009. http://dx.doi.org/10.1051/matecconf/201824506009.

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The results of measurements of the harmonics components of the current, voltage, power of harmonics at the point of connection of electric receivers with a non-linear voltage-current characteristic are considered. It is shown that the amount of electric energy including the non-sinusoidality of the currents and voltages consumed by the non-linear load is less than the amount of the fundamental frequency energy. The difference between them is the harmonic distortion energy that causes extra losses to the electric networks. The voltage harmonic distortions at the measurement point exceed the nor
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Olesz, Marek, Leszek S. Litzbarski, and Grzegorz Redlarski. "Leakage Current Measurements of Surge Arresters." Energies 16, no. 18 (2023): 6480. http://dx.doi.org/10.3390/en16186480.

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The paper presents the methods of assessing the technical condition of varistor surge arresters used in laboratory tests and in operation—performed without disconnecting the arresters from the network. The analysis of the diagnostic methods was supplemented with the results of the measurements of the leakage current of arresters coming directly from their production and used in the power industry. Among the available methods of evaluating the technical condition of arresters, mainly indicator solutions (temperature and operation counter) and the measurement of the selected parameters of the le
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Crotti, Gabriella, and Domenico Giordano. "Set up and characterization of a measuring system for PQ measurements in a MV site with PV generation." ACTA IMEKO 4, no. 1 (2015): 97. http://dx.doi.org/10.21014/acta_imeko.v4i1.171.

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The features of a Power Quality measurement system which includes both voltage and current transducers and a self-developed measuring instrument are described. The system is intended for measurements in substations at medium voltage level. A Rogowski coil and a voltage divider are the used transducers, whereas the measuring instrument is based on a Reconfigurable I/O-FPGA system with embedded software. Attention is focused on the procedures adopted for the characterization of the voltage and current sensors, which are carried out taking into account the expected on-site measurement conditions.
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Holloway, Christopher L., Nikunjkumar Prajapati, Jeffery A. Sherman, et al. "Electromagnetically induced transparency based Rydberg-atom sensor for traceable voltage measurements." AVS Quantum Science 4, no. 3 (2022): 034401. http://dx.doi.org/10.1116/5.0097746.

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We investigate the Stark shift in Rydberg rubidium atoms through electromagnetically induced transparency for the measurement of direct current (dc) and 60 Hz alternating current (ac) voltages. This technique has direct application to the calibration of voltage measurement instrumentation. We present experimental results for different atomic states that allow for dc and ac voltage measurements ranging from 0 to 12 V. While the state-of-the-art method for realizing the volt, the Josephson voltage standard, is significantly more accurate, the Rydberg atom-based method presented here has the pote
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Harrison, Reid R., Ilya Kolb, Suhasa B. Kodandaramaiah, et al. "Microchip amplifier for in vitro, in vivo, and automated whole cell patch-clamp recording." Journal of Neurophysiology 113, no. 4 (2015): 1275–82. http://dx.doi.org/10.1152/jn.00629.2014.

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Patch clamping is a gold-standard electrophysiology technique that has the temporal resolution and signal-to-noise ratio capable of reporting single ion channel currents, as well as electrical activity of excitable single cells. Despite its usefulness and decades of development, the amplifiers required for patch clamping are expensive and bulky. This has limited the scalability and throughput of patch clamping for single-ion channel and single-cell analyses. In this work, we have developed a custom patch-clamp amplifier microchip that can be fabricated using standard commercial silicon process
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Dissertations / Theses on the topic "Current voltage measurements"

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Holmgren, Jens. "Investigation of alternative current measurements in high-voltage applications." Thesis, Linköping University, Department of Science and Technology, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-8149.

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<p>ABB:s MACH2 system uses a number of currents to ignite thyristors for AC/DC-trassfformation and they are measured for control and protection. The measurement methods used today has major drawbacks. Two alternative techniques are investigated, one based on the Hall-Effect (HED) and the other based on Anisotropic Magnetoreistanse (AMR), both techniques sensing the magnetic field produced by currents in a conductor. The HED hawe low sensitivity so some kind of flux concentrators is needed. This adds volume, costs and complexity to the device. The AMR technique is much more sensitive than the H
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Rainbird, Paul L. "Prediction of temperature rise in low voltage high current electrical switchboards." Thesis, Queensland University of Technology, 1990. https://eprints.qut.edu.au/36452/1/36452_Rainbird_1990.pdf.

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At present, the electrical switchboard designer us ually constructs a full-scale prototype and tests it at rated current to ascertain its temperature rise performance, under simulated normal operating conditions. Temperatures are then reduced by application of one or several techniques including modification of the switchboard design. Steady-state temperature rise within an electrical switchboard is attained when t he Joule heat generated by electrical losses is exactly balanced by the heat l ost by cooling. The basic factors affecting this heat balance in electrical switchboards are
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Amin, M. Shahrooz 1981. "Advanced Faraday cage measurements of charge, short-circuit current and open-circuit voltage." Thesis, Massachusetts Institute of Technology, 2004. http://hdl.handle.net/1721.1/28730.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2004.<br>"Spetember 2004."<br>Includes bibliographical references.<br>(cont.) above atmospheric pressure caused both positive current and negative current pulses with the negative pulse larger than the positive pulse. A pressure decrease of more than 10psi below atmospheric pressure also caused both positive current and negative current pulses with the positive current larger than the negative current pulse. Experiments showed that the negative current was generated by the galvanic actio
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Tong, Sai-kit. "A computer-aided measurement system for monopolar high-voltage direct-current coronating lines /." [Hong Kong] : University of Hong Kong, 1986. http://sunzi.lib.hku.hk/hkuto/record.jsp?B12321771.

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湯世傑 and Sai-kit Tong. "A computer-aided measurement system for monopolar high-voltage direct-current coronating lines." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1986. http://hub.hku.hk/bib/B31207467.

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Turkmen, Coskun Aziz. "Calibration Of Conventional Measurement Transformers Against Harmonic Components By Using Field Measurements Of Optical Transducers And Resistive-capacitive Voltage Transformers." Master's thesis, METU, 2010. http://etd.lib.metu.edu.tr/upload/12611920/index.pdf.

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It is known from the literature that conventional voltage and current transformers measure inaccurate values for voltage and current harmonics which are parts of power quality. Maximum bandwidth of conventional current transformers, which are used in electricity transmission and distribution systems, is 1.5-2 kHz and it is lower for conventional voltage transformers. Also, it is known that<br>voltages in some frequency spectrum are measured higher and voltages in another frequency spectrum are measured lower by the conventional voltage transformers. Furthermore, because of the phase shift of f
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Carbonell, Cortés Carla. "Customizing a low temperature system for microwave transmission measurements. Quantum transport in thin TiN films and nanostructures." Doctoral thesis, Universitat de Barcelona, 2012. http://hdl.handle.net/10803/83635.

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The work presented in this thesis consists of two distinct parts. The first years of my work focused on the development and improvement of a new equipment built to study magnetic and electrical properties, particularly applying microwaves in reflection and transmission conditions. The sample space in conventional cryostats with superconducting magnets is usually smaller than 10-mm-diameter. Our equipment consists of a hollow cylindrical cryostat having a 33-mm-diameter hole all along its vertical axis. These characteristics enable the measurement of large samples and the use of big resonant
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Kolic, Edo. "Bearing current and shaft voltage measurement in electrical motors." Thesis, Högskolan Väst, Avdelningen för data-, elektro- och lantmäteriteknik, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:hv:diva-10722.

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Due to the fast-rising voltage pulses of pulse width modulated drives, the generated shaft voltage of electrical motors causes electrical discharge currents in bearings. These discharges can cause bearing failure leading to costly maintenance and unexpected production stops. To eliminate the raised shaft voltage, several techniques are used such as shaft grounding brushes, insulated bearings and conductive grease. The possibility to measure discharge activity on a PWM driven induction motor offers a tool for researchers to test different bearings in electric motors. In order to measure the sha
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Hölling, Matthias. "Adaptive current and voltage measurement device for low voltage distribution in power nets /." [S.l.] : [s.n.], 2000. http://e-collection.ethbib.ethz.ch/show?type=diss&nr=13985.

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Bosi, Marco. "Development of a distributed measurement system for detection of high impedance faults in medium voltage power lines." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2019.

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The aim of this thesis is to propose a new method to detect High impedance Faults, which relies on measuring the phase currents on electrical transmission and distribution grids using a common time source for synchronization. The goal is to measure the residual currents both at the transformer side and at the load side of the network. The time synchronization allows synchronized real-time measurements of the two residual currents at the two ends of the grid. In normal operating conditions and in all load conditions (balanced or unbalanced), the residual currents will result almost equal at the
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Books on the topic "Current voltage measurements"

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Günther, Sinapius, Hoornaert Winfried, and Knovel (Firm), eds. Measuring current, voltage, and power. Elsevier, 1999.

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Keithley, Instruments Inc. Low level measurements handbook: Precision DC current, voltage and resistance measurements. 6th ed. Keithley, 2004.

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Hermach, F. L. An investigation of the uncertainties of the NBS thermal voltage and current converters. U.S. Dept. of Commerce, National Bureau of Standards, 1985.

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Hermach, F. L. An investigation of the uncertainties of the NBS thermal voltage and current converters. U.S. Dept. of Commerce, National Bureau of Standards, 1985.

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Schon, Klaus. High Impulse Voltage and Current Measurement Techniques. Springer International Publishing, 2013. http://dx.doi.org/10.1007/978-3-319-00378-8.

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Middelhoek, S., K. Iwansson, G. Sinapius, and W. Hoornaert. Measuring Current, Voltage and Power (Handbook of Sensors and Actuators). Elsevier Science, 1999.

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Thompson, D. J., and Lawrence H. Luessen. Fast Electrical and Optical Measurements: Volume 1 - Current and Voltage Measurements Volume 2 - Optical Measurements. Springer, 2013.

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(Editor), D. J. Thompson, and L. H. Luessen (Editor), eds. Fast Electrical and Optical Measurements: Volume 1 - Current and Voltage Measurements Volume 2 - Optical Measurements (NATO Science Series E:). Springer, 1986.

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(Editor), D. J. Thompson, and L. H. Luessen (Editor), eds. Fast Electrical and Optical Measurements: Volume 1 - Current and Voltage Measurements Volume 2 - Optical Measurements (NATO Science Series E:). Springer, 1986.

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Institute Of Electrical and Electronics Engineers. IEEE 1732-2017 IEEE Recommended Practice for Space Charge Measurements on High-Voltage Direct-Current Extruded Cables for Rated Voltages up to 550 kV. IEEE, 2017.

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Book chapters on the topic "Current voltage measurements"

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Pfeiffer, W. "Ultrafast Electrical Voltage and Current Monitors." In Fast Electrical and Optical Measurements. Springer Netherlands, 1986. http://dx.doi.org/10.1007/978-94-017-0445-8_7.

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Raitt, W. J., and D. C. Thompson. "Thermal Plasma Measurements in Space Using Direct Measurements of Derivatives of Probe Current-Voltage Characteristics." In Measurement Techniques in Space Plasmas: Particles. American Geophysical Union, 2013. http://dx.doi.org/10.1029/gm102p0043.

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Ossenbrink, H., Anne Drainer, and W. Zaaiman. "Errors in Current-Voltage Measurements of Photovoltaic Devices Introduced by Flash Simulators." In Tenth E.C. Photovoltaic Solar Energy Conference. Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3622-8_270.

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Mahala, Pramila, Ankita Dixit, and Navneet Gupta. "Analysis of Graphene/SiO2/p-Si Schottky Diode by Current–Voltage and Impedance Measurements." In Lecture Notes in Electrical Engineering. Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-13-2553-3_57.

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Mattana, Richard, Nicolas Locatelli, and Vincent Cros. "Spintronics and Synchrotron Radiation." In Springer Proceedings in Physics. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-64623-3_5.

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AbstractHaving access to the electronic and magnetic properties of spintronic systems is of crucial importance in view of their future technological developments. Our purpose in this chapter is to elaborate how a variety of synchrotron radiation-based measurements provides powerful and often unique techniques to probe them. We first introduce general concepts in spintronics and present some of the important scientific advances achieved in the last 30 years. Then we will describe some of the key investigations using synchrotron radiation concerning voltage control of magnetism, spin-charge conv
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Vediakova, Anastasiia O., and Alexey A. Vedyakov. "Simplified Rotor Angular Velocity Estimation for a Permanent Magnets Synchronous Motor by Current and Voltage Measurements." In Convergent Cognitive Information Technologies. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-37436-5_23.

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Torma, Matej, Krešimir Fekete, Ružica Kljajić, and Kristijan Čvek. "Current and Voltage Calculations of the 400 kV Transmission Line Using Laboratory Measurements and Computer Simulation." In Lecture Notes in Networks and Systems. Springer Nature Switzerland, 2024. https://doi.org/10.1007/978-3-031-80597-4_12.

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Schon, Klaus. "High Impulse Currents." In High Voltage Measurement Techniques. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-21770-9_5.

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Schon, Klaus. "High Alternating Voltages and Currents." In High Voltage Measurement Techniques. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-21770-9_2.

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Schon, Klaus. "High Direct Voltages and Currents." In High Voltage Measurement Techniques. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-21770-9_3.

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Conference papers on the topic "Current voltage measurements"

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Ding, Zhiwen, Haiming Shao, and Kun Wang. "Excitation noise analysis and excitation voltage optimization scheme design for fluxgate current sensors." In 2024 Conference on Precision Electromagnetic Measurements (CPEM). IEEE, 2024. http://dx.doi.org/10.1109/cpem61406.2024.10646153.

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Park, Byung Ryang, Gyu Cheol Lim, Jaehoon Shim, and Jung-Ik Ha. "Switching Frequency Voltage Injection for Sensorless IPMSM Control Using Current Derivative Measurements." In 2024 IEEE Energy Conversion Congress and Exposition (ECCE). IEEE, 2024. https://doi.org/10.1109/ecce55643.2024.10861366.

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Martzloff, François D. "Surge Recordings that Make Sense: Shifting Focus from Voltage to Current Measurements." In 1996_EMC-Europe_Roma. IEEE, 1996. https://doi.org/10.23919/emc.1996.10783893.

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Habibi, Amir Hossein, Shahriyar Kaboli, and Sadra Kateb. "Diagnosing of High Voltage Power Supplies of Ion Pumps through Low Current Measurements." In 2025 16th Power Electronics, Drive Systems, and Technologies Conference (PEDSTC). IEEE, 2025. https://doi.org/10.1109/pedstc65486.2025.10912054.

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Martinchek, Gregory A., and Max R. Yaffe. "On-Line Corrosion Rate Measurements Using Current Interrupted Galvanostatic Polarization." In CORROSION 1997. NACE International, 1997. https://doi.org/10.5006/c1997-97283.

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Abstract A corrosion rate monitoring device incorporating current interrupt IR compensation has been developed. The device is based on galvanostatic cell control with the current adjusted in software to give a fixed polarization voltage. In effect, the device acts as a potentiostat, while gaining significant advantages due to its galvanostatic cell control. The electronic circuitry and control algorithm of the device is outlined. The theory of the basic measurement and of current interrupt IR compensation are discussed. A prototype unit was built and was used to measure results on model cells
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Miljanic. "Calibrator For Alternating Voltage, Current And Power." In Conference on Precision Electromagnetic Measurements. IEEE, 1988. http://dx.doi.org/10.1109/cpem.1988.671337.

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Hurll, J. "Uncertainty in AC voltage measurements." In IEE Colloquium on Precision AC Voltage and Current Measurements up to 1 MHz. IEE, 1997. http://dx.doi.org/10.1049/ic:19970886.

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Bergman, A., U. Pogliano, J. Hallstrom, et al. "Metrology for high voltage direct current." In 2010 Conference on Precision Electromagnetic Measurements (CPEM 2010). IEEE, 2010. http://dx.doi.org/10.1109/cpem.2010.5543404.

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Hornak, J., O. Michal, P. Trnka, et al. "Current and Voltage Response Measurements on Nanodielectrics." In 2020 IEEE 3rd International Conference on Dielectrics (ICD). IEEE, 2020. http://dx.doi.org/10.1109/icd46958.2020.9341970.

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van Leeuwen, Ronald, Helko van den Brom, Gert Rietveld, Ernest Houtzager, and Dennis Hoogenboom. "Measuring the Voltage Dependence of Current Transformers." In 2020 Conference on Precision Electromagnetic Measurements (CPEM 2020). IEEE, 2020. http://dx.doi.org/10.1109/cpem49742.2020.9191845.

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Reports on the topic "Current voltage measurements"

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Kiefner, Maxey, and Eiber. L51607 Pipeline Coating Impedance Effect on Powerline Fault Current Coupling. Pipeline Research Council International, Inc. (PRCI), 1989. http://dx.doi.org/10.55274/r0010294.

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Prior research leading to the development of predictive electromagnetic coupling computer codes has shown that the coating conductance is the principal factor in determining the response of a pipeline to magnetic induction transmission line. Under power line fault conditions, a high voltage may stress the coating causing a significant change in its conductance, and hence, the coupling response. Based upon laboratory experimentation and analysis, a model has been developed which allows prediction of the modified coating characteristics when subjected to high voltages during fault situations. Th
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Buchler, M., H. G. Schoneich, and F. Stalder. DRS04BSS Criteria to Assess the Alternating Current Corrosion Risk of Cathodically Protected Pipelines. Pipeline Research Council International, Inc. (PRCI), 2004. http://dx.doi.org/10.55274/r0011818.

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This paper addresses the assessment of the corrosion risk of a pipeline due to alternating currents. The state of the art technique is the use of coupons, which simulate a coating fault and which allow to measure the ac-current density and also to evaluate corrosion products and pits. Recently, different criteria to assess the corrosion risk have been proposed that are based on the ratio between ac- and dc-current density or the instantaneous off-potential (high-speed off-potential measurement) measured on a coupon. Furthermore, the charge needed to oxidize corrosion products (under alkaline c
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Hopper. L30500 Analysis of the Effects of High-Voltage Direct-Current Transmission Systems on Buried Pipelines. Pipeline Research Council International, Inc. (PRCI), 2008. http://dx.doi.org/10.55274/r0010196.

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The economics of high voltage direct current for long-distance transmission of electrical energy have been reported as very attractive, to the extent that several projects are in the making. Several reasons other than the savings in transmission costs, for example the exchange of peak power between time zones and seasonal zones, would permit utilities to save on plant investment for generating capacity while maintaining a high level of service. This report summarizes work on the initial phase of a study to determine the effects of high-voltage direct-current (H.V.D.C.) electric transmission li
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Kum, Emile Albert. PCB Design for IC Testing & Lab Measurement: J00267 Voltage Controlled Current Sources’ Current Mirrors. Iowa State University, 2024. https://doi.org/10.31274/cc-20250502-9.

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Effect of Spark Discharge Duration and Timing on the Combustion Initiation in a Lean Burn SI Engine. SAE International, 2021. http://dx.doi.org/10.4271/2021-01-0478.

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Meeting the increasingly stringent emission and fuel efficiency standards is the primary objective of the automotive research. Lean/diluted combustion is a promising avenue to realize high-efficiency combustion and reduce emissions in SI engines. Under the diluted conditions, the flame propagation speed is reduced because of the reduced charge reactivity. Enhancing the in-cylinder charge motion and turbulence, and thereby increasing the flame speed, is a possible way to harness the combustion process in SI engines. However, the charge motion can have a significant effect on the spark ignition
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