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Relevant bibliographies by topics / Harmonics measures

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Academic literature on the topic 'Harmonics measures'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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Journal articles on the topic "Harmonics measures"

1

Schlabbach, J. "Expert system measures harmonics and EMC." IEEE Computer Applications in Power 7, no. 3 (1994): 26–29. http://dx.doi.org/10.1109/67.294166.

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Dehesa, J. S., S. López-Rosa, and R. J. Yáñez. "Information-theoretic measures of hyperspherical harmonics." Journal of Mathematical Physics 48, no. 4 (2007): 043503. http://dx.doi.org/10.1063/1.2712913.

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Li, Zhiyu, and Shanghe Liu. "Interference mechanism analysis and mitigation measures with railway signalling equipment from harmonics in the traction system." Transportation Safety and Environment 2, no. 4 (2020): 271–82. http://dx.doi.org/10.1093/tse/tdaa023.

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Abstract With the development of high-speed railway and heavy-haul rail transport in China, a large number of new types of electric locomotives and electric multiple units have been put into operation, improving the efficiency and equipment quality of railway transportation. However, harmonics emitted from the traction system and locomotives often interfere with the railway signalling equipment, which can lead to critical malfunction of the equipment. Based on field test data, this paper analyses the interference coupling mechanism and magnitude of traction harmonics to the signalling equipmen

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G.S.M., Jansen, Freisem L., Rudolf D., Eikema K.S.E., and Witte S. "Spectrally resolved wavefront characterization of broadband ultrafast high-harmonic pulses." EPJ Web of Conferences 205 (2019): 01022. http://dx.doi.org/10.1051/epjconf/201920501022.

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We demonstrate a sensor that measures wavefronts of multiple extreme ultraviolet wavelengths simultaneously. By incorporating transmission gratings into the apertures of a Hartmann mask, we can record wavefront information for series of discrete harmonics from a high-harmonic generation source in a single camera exposure, without the need for scanning parts. Wavefronts of up to nine high harmonics at 25-49 nm wavelength are retrieved, and ultrafast spatiotemporal couplings can be detected.

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Kim, Hyung Chul, Moon Seob Han, Hyun June Park, Dong Uk Jang, Gyung Suk Kil, and Nirmal Kumar Nair. "Consideration of Uncertainty in Diagnosis for Railway Arrester." Key Engineering Materials 321-323 (October 2006): 1507–12. http://dx.doi.org/10.4028/www.scientific.net/kem.321-323.1507.

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This paper presents a method for diagnosis of railway arrester considering uncertainty. Arresters, a protective device that prevents damage due to transient voltages, deteriorate due to the absorption of moisture, repetitive operation during over-voltages and manufacturing defects. Various diagnostic techniques are available for monitoring deterioration of arresters. The technique based on the amplitude of leakage current measures the root mean square or peak values of leakage current components. After measuring the total leakage current, harmonics of leakage current components are analyzed by

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Skamyin, Aleksandr, and Oleg Vasilkov. "Static load characteristics in the presence of high harmonics." E3S Web of Conferences 140 (2019): 10005. http://dx.doi.org/10.1051/e3sconf/201914010005.

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The article presents the issues of static load characteristics construction in the presence of high harmonics. Mathematical equations for power calculations in the presence of high harmonics are proposed. Reactive power is calculated at the fundamental frequency based on minimizing the computational error of electronic energy meters and providing minimum costs to ensure maximum degree of reactive power compensation using condenser batteries. The dependences between distortion power and voltage are constructed according to the results of measurements at the laboratory stand. Such dependencies a

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Song, Lei, Huan-jun Chen, Yi-na Chen, et al. "The Influence of Harmonics on Error Stability of Energy Meter Verification Device and Its Suppression Measures." E3S Web of Conferences 118 (2019): 02007. http://dx.doi.org/10.1051/e3sconf/201911802007.

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.In view of the problem of poor error stability of the three-phase energy meter verification device under low current load, the working principle and error calculation method of the device are analyzed. The harmonics content and error data of the device under low current load before and after the installation of the isolation transformer are tested on site. And the role of the isolation transformer in suppressing the harmonics of the device is analyzed. From the harmonics content and error data of the output current of the device before and after the installation of the isolation transformer,

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Bishop, M. T., C. Gilker, and S. R. Mendis. "PC-controlled hand-held meter measures power system harmonics." IEEE Computer Applications in Power 4, no. 4 (1991): 17–21. http://dx.doi.org/10.1109/67.93199.

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Li, Yang, and Yong Jun Yu. "Harmonic Calculation of 12-Pulse Rectifier and Determination of Filter Capacity." Advanced Materials Research 588-589 (November 2012): 834–38. http://dx.doi.org/10.4028/www.scientific.net/amr.588-589.834.

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In order to enable engineers to assess the impact of harmonic currents produced by the 12-pulse rectifier unit on the grid. In this paper, through experimental and theoretical reasoning, I discusses in detail the harmonic calculation parameters required of rectifier unit and calculate the filter capacity which reached the filtering standards for single-tuned filter capacitor. Through this method, we can make a good assessment of the harmonics generated by the project and propose effective control measures for the harmonic excess in the beginning of the project construction.

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Samlan, Robin A., Melda Kunduk, Takeshi Ikuma, Mindy Black, and Christianne Lane. "Vocal Fold Vibration in Older Adults With and Without Age-Related Dysphonia." American Journal of Speech-Language Pathology 27, no. 3 (2018): 1039–50. http://dx.doi.org/10.1044/2018_ajslp-17-0061.

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Purpose The purpose of this study was to identify the extent to which 7 measures of glottal area timing and regularity differ between older adults with and without age-related dysphonia (ARD). Method Laryngeal high-speed videoendoscopy was completed at 4,000 frames per second for 42 adults aged 70 years and older (ARD: 9 female, 5 male; control group: 15 female, 13 male). Relative glottal gap, open quotient, speed index, maximum area declination rate, harmonics-to-noise ratio, harmonic richness factor, and standard deviation of fundamental frequency were measured from a 0.5-s segment of the gl

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Dissertations / Theses on the topic "Harmonics measures"

1

Arafat, Hassan Mohammed Ahmed. "Mathematical Developments on Isotropic Positive Definite Functions on Spheres." Doctoral thesis, Universitat Jaume I, 2017. http://hdl.handle.net/10803/404050.

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In this thesis, three open problems related to the isotropic positive definite functions on the sphere have been solved. Firstly, we provide necessary and sufficient conditions for the equivalence of two Gaussian measures with two different covariance models with associated d-Schoenberg sequences. Secondly, we find the d-Schoenberg coefficients associated with an isotropic positive definite function on the sphere in terms of the Fourier coefficients on the circle. Thirdly, we drive the infimum of the second derivative at zero for the class of the locally supported isotropic positive definite

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Li, Jialun. "Harmonic analysis of stationary measures." Thesis, Bordeaux, 2018. http://www.theses.fr/2018BORD0311/document.

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Soit μ une mesure de probabilité borélienne sur SL m+1 (R) tel que le sous-groupe engendré par le support de μ est Zariski dense. Soit V une représentation irréductible de dimension finie de SL m+1 (R). D’après un théorème de Furstenberg, il existe une unique mesure μ-stationnaire sur PV et nous nous somme intéressés à la décroissance de Fourier de cette mesure. Le résultat principal de cette thèse est que la transformée de Fourier de la mesure stationnaire a une décroissance polynomiale. À partir de ce résultat, nous obtenons un trou spectral de l’opérateur de transfert, dont les propriétés n

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Lau, Hiu Yan Crystal. "Objective Measure of Two Musical Interpretations of an Excerpt from Berlioz's "La Mort d'Ophelie"." Bowling Green State University / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1586877620452912.

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Jazzar, Ali. "Modélisation électromagnétique d'un choc de foudre en aéronautique." Phd thesis, Université de Grenoble, 2012. http://tel.archives-ouvertes.fr/tel-00789991.

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Dans une vision de transports plus économiques, l'apport des matériaux composites est une solution technologique importante pour l'industrie aéronautique, même si cela ouvre de nouvelles questions de compatibilité électromagnétique sur l'ensemble du système et nécessite l'utilisation d'outils de simulation adaptés. Cette thèse présente l'évaluation de cette mutation technologique vis-à-vis de la problématique foudre. Les méthodes conventionnellement utiliséesdans le cadre de la modélisation électromagnétique en 3D des effets indirects de foudre sur les aéronefs s'avèrent limitées car la prise

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Beliaev, Dmitri. "Harmonic measure on random fractals." Doctoral thesis, Stockholm, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-114.

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Martin, Charles 1966. "Hausdorff dimension of harmonic measures in Rd." Thesis, McGill University, 1993. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=69764.

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In 1986, J. Bourgain showed that, for a given dimension d $ ge$ 2, there exists $ rho sb{d}$ $<$ d such that any harmonic measure in $ Re sp{d}$ is supported by a set of Hausdorff dimension at most $ rho sb{d}$.<br>This thesis presents a detailed and comprehensive exposition of Bourgain's theorem. Formal definitions of harmonic measures and Hausdorff dimensions are provided and all the required preliminary results about these concepts are rigorously proved. Generally speaking, the proof of the theorem itself is similar to the one originally presented by Bourgain. However, a more structured app

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Alhwaitiy, Hebah Sulaiman. "POTENTIAL THEORY AND HARMONIC FUNCTIONS." Kent State University / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=kent1448671803.

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Avelin, Benny, and Kaj Nyström. "Wolff-Potential Estimates and Doubling of Subelliptic p-harmonic measures." Uppsala universitet, Matematiska institutionen, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-186268.

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Let <img src="http://ars.els-cdn.com/content/image/1-s2.0-S0362546X13000758-si2.gif" data-loaded="true" data-inlimgsrc="http://ars.els-cdn.com/content/image/1-s2.0-S0362546X13000758-si2.gif" /> be a system of C∞ vector fields in Rn satisfying Hörmander’s finite rank condition and let Ω be a non-tangentially accessible domain with respect to the Carnot–Carathéodory distance d induced by X. We prove the doubling property of certain boundary measures associated to non-negative solutions, which vanish on a portion of ∂Ω, to the equation <img src="http://ars.els-cdn.com/content/image/1-s2.0-S036254

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Akman, Murat. "On the Dimension of a Certain Measure Arising from a Quasilinear Elliptic Partial Differential Equation." UKnowledge, 2014. http://uknowledge.uky.edu/math_etds/12.

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We study the Hausdorff dimension of a certain Borel measure associated to a positive weak solution of a certain quasilinear elliptic partial differential equation in a simply connected domain in the plane. We also assume that the solution vanishes on the boundary of the domain. Then it is shown that the Hausdorff dimension of this measure is less than one, equal to one, greater than one depending on the homogeneity of the certain function. This work generalizes the work of Makarov when the partial differential equation is the usual Laplace's equation and the work of Lewis and his coauthors whe

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Alakhrass, Mohammad. "Superharmonic and multiply superharmonic functions and Jensen measures in axiomatic Brelot spaces." Thesis, McGill University, 2009. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=115846.

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We study quasi superharmonic functions in Brelot spaces and the relationship between a reduced function, and harmonic and Jensen measures. We introduce the concept of quasi multiply superharmonic functions on a product of two Brelot spaces and study their properties. A main result obtained is characterizing the quasi superharmonic functions in terms of harmonic, finely harmonic and Jensen measures. Then we prove that a quasi multiply superharmonic function on a product of Brelot spaces equals its lower semicontinuous regularization out side of a 2-negligible set. Further we give a sufficient c

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Books on the topic "Harmonics measures"

1

Applications of harmonic measure. Wiley, 1986.

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2

Bloom, Walter R. Harmonic analysis of probability measures on hypergroups. W. de Gruyter, 1995.

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3

1953-, Kenig Carlos E., and Lanzani Loredana 1965-, eds. Harmonic measure: Geometric and analytic points of view. American Mathematical Society, 2005.

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Nicola, Garofalo, and Nhieu Duy-Minh 1966-, eds. Non-doubling Ahlfors measures, perimeter measures, and the characterization of the trace spaces of Sobolev functions in Carnot-caratheodory spaces. American Mathematical Society, 2006.

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5

Hazod, Wilfried. Stable Probability Measures on Euclidean Spaces and on Locally Compact Groups: Structural Properties and Limit Theorems. Springer Netherlands, 2001.

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Analytic capacity, rectifiability, Menger curvature and the Cauchy integral. Springer, 2002.

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1983-, Spadaro Emanuele Nunzio, ed. Q-valued functions revisited. American Mathematical Society, 2010.

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Mitrea, Dorina. Groupoid Metrization Theory: With Applications to Analysis on Quasi-Metric Spaces and Functional Analysis. Birkhäuser Boston, 2013.

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1993, Siebert Eberhard d., ed. Stable probability measures on Euclidean spaces and on locally compact groups: Structural properties and limit theorems. Kluwer Academic Publishers, 2001.

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Rao, M. M. Stochastic processes: Inference theory. Kluwer Academic Publishers, 2000.

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Book chapters on the topic "Harmonics measures"

1

Lawler, Gregory F. "Harmonic Measure." In Intersections of Random Walks. Birkhäuser Boston, 1991. http://dx.doi.org/10.1007/978-1-4612-0771-9_2.

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2

Chabrowski, Jan. "Harmonic measure." In The Dirichlet Problem with L2-Boundary Data for Elliptic Linear Equations. Springer Berlin Heidelberg, 1991. http://dx.doi.org/10.1007/bfb0095756.

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Lawler, Gregory F. "Harmonic Measure." In Intersections of Random Walks. Springer New York, 2012. http://dx.doi.org/10.1007/978-1-4614-5972-9_2.

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Burckel, R. B. "Absolute Continuity and Singularity of Measures Without Measure Theory." In Excursions in Harmonic Analysis, Volume 2. Birkhäuser Boston, 2012. http://dx.doi.org/10.1007/978-0-8176-8379-5_1.

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5

Wolff, Thomas. "Hausdorff measures." In Lectures on Harmonic Analysis. American Mathematical Society, 2003. http://dx.doi.org/10.1090/ulect/029/08.

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Helson, Henry. "Disintegration of Measures." In Harmonic Analysis and Hypergroups. Birkhäuser Boston, 1998. http://dx.doi.org/10.1007/978-0-8176-4348-5_4.

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Winter, Steffen. "Geometric Measures for Fractals." In Applied and Numerical Harmonic Analysis. Birkhäuser Boston, 2010. http://dx.doi.org/10.1007/978-0-8176-4888-6_6.

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Bracci, Filippo, Manuel D. Contreras, and Santiago Díaz-Madrigal. "Harmonic Measures and Bloch Functions." In Springer Monographs in Mathematics. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-36782-4_7.

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Candel, Alberto, and Lawrence Conlon. "Harmonic measures for foliated spaces." In Graduate Studies in Mathematics. American Mathematical Society, 2003. http://dx.doi.org/10.1090/gsm/060/03.

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Jenkins, James A. "Some estimates for harmonic measures." In Lecture Notes in Mathematics. Springer Berlin Heidelberg, 1987. http://dx.doi.org/10.1007/bfb0078353.

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Conference papers on the topic "Harmonics measures"

1

Gibo, N., and K. Takenaka. "Development of an analysis system for voltage dip measures." In 2008 13th International Conference on Harmonics and Quality of Power (ICHQP XIII). IEEE, 2008. http://dx.doi.org/10.1109/ichqp.2008.4668757.

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Jing Zhao. "The damage and restraining measures of harmonics in power systems." In 2011 2nd International Conference on Artificial Intelligence, Management Science and Electronic Commerce (AIMSEC). IEEE, 2011. http://dx.doi.org/10.1109/aimsec.2011.6010501.

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Yuan, L., J. Rastegar, and F. Pollo. "Optimal Motion Patterns for Golf Swings." In ASME 1998 Design Engineering Technical Conferences. American Society of Mechanical Engineers, 1998. http://dx.doi.org/10.1115/detc98/mech-5909.

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Abstract Due to the dynamic response and maximum output force (torque) limitations of their actuating motors, computer controlled machines such as robot manipulators can only have a limited performance in terms of the time to complete a specified motion and other similar measures of operating speed. For example, a robot manipulator arm with limited joint motion can only reach a maximum end-effector speed due to the aforementioned limitations of its actuating torque. The dynamic response limitations of the actuators dictate that for high speed motions, the robot arm should be required to follow

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Deokar, Sanjay A., and Laxman M. Waghmare. "Impact of power system harmonics on insulation failure of distribution transformer and its remedial measures." In 2011 3rd International Conference on Electronics Computer Technology (ICECT). IEEE, 2011. http://dx.doi.org/10.1109/icectech.2011.5941817.

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Guo, Fusheng, Bin Liu, Xiaoqing Ji, et al. "Suppression Measures for Overvoltage of single-core Cable Sheath Caused by Harmonics and Inrush Current." In 2020 IEEE Student Conference on Electric Machines and Systems (SCEMS). IEEE, 2020. http://dx.doi.org/10.1109/scems48876.2020.9352346.

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Kovalenko, D. V., Kisselyov B. Yu, and E. V. Ivanova. "Calculation of Resonant Modes for Power Supply Systems and Development of Measures on Higher Harmonics Filtering." In 2018 International Conference on Industrial Engineering, Applications and Manufacturing (ICIEAM). IEEE, 2018. http://dx.doi.org/10.1109/icieam.2018.8728675.

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Delyagin, V. N., and V. I. Bocharov. "ELECTROMAGNETIC COMPATIBILITY OF LOW-POWER AUTONOMOUS POWER SUPPLY EQUIPMENT." In STATE AND DEVELOPMENT PROSPECTS OF AGRIBUSINESS. DSTU-PRINT, 2020. http://dx.doi.org/10.23947/interagro.2020.1.500-503.

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The article presents the results of research on the evaluation of electromagnetic compatibility of elements of the power supply system for Autonomous low-power consumers. The subject of the study is a quantitative assessment of the level of harmonic components of currents and voltages in systems: a permanent magnet generator-a DC-to-AC Converter-a consumer with a nonlinear load and interfering interaction of jointly working elements of this system. The level of harmonics of voltage and current in the local electrical network (farm), repeatedly (from 3 to 10 times) exceeds the regulatory requir

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F. Friedemann, Daniel, and Daniel Motter. "Performance of Frequency Anti-Islanding Protection Considering Different Frequency Estimation Methods." In Simpósio Brasileiro de Sistemas Elétricos - SBSE2020. sbabra, 2020. http://dx.doi.org/10.48011/sbse.v1i1.2443.

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Frequency anti-islanding protections use frequency measures to determine an islanding condition, which are usually filtered to eliminate high frequency components. Digital relays can use different frequency estimation methods, which could lead to different results between different methods and filter lengths. This paper compares three frequency estimation methods found in digital relays against noise, harmonics, DC decays, steps and slopes of frequency, showing their intrinsic differences. Islanding events are simulated to show the importance of investigating frequency measurement methods and

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Farhana, C. K., K. M. Nor, and D. M. Said. "Time series simulation of the impact of harmonics using measured harmonic data." In 2012 IEEE International Conference on Power and Energy (PECon). IEEE, 2012. http://dx.doi.org/10.1109/pecon.2012.6450298.

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Hinz, Melanie, and Wojciech Młotkowski. "Free cumulants of some probability measures." In Noncommutative Harmonic Analysis with Applications to Probability. Institute of Mathematics Polish Academy of Sciences, 2007. http://dx.doi.org/10.4064/bc78-0-12.

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Reports on the topic "Harmonics measures"

1

BROCK, BILLY C. Using Vector Spherical Harmonics to Compute Antenna Mutual Impedance from Measured or Computed Fields. Office of Scientific and Technical Information (OSTI), 2000. http://dx.doi.org/10.2172/763320.

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BROCK, BILLY C. Using Vector Spherical Harmonics to Compute Antenna Mutual Impedance from Measured or Computed Fields (Supercedes dated September 2000). Office of Scientific and Technical Information (OSTI), 2000. http://dx.doi.org/10.2172/780281.

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