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Journal articles on the topic 'Electrical source analysis'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Supriyanto, Amir. "Analysis of Cassava Peel Paste as An Electrolyte of Electrical Energy Source." Journal of Technomaterials Physics 1, no. 1 (2019): 15–21. http://dx.doi.org/10.32734/jotp.v1i1.828.

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The electrical characteristics of cassava peel can be detected by using a pair of electrodes, Cu and Zn. Measurement of electrical characteristics is done when the cassava peel is given a 5 watt LED load and when the load is removed. Cassava peel are used in two different ways: fermented and non-fermented. The electrolyte cell used consisted of 20 cells, assembled in three different types: 20 series, 10 series with 2 parallel, and 5 series with 4 parallel. The volume of each cell's paste is 200 ml. The measurement results show that the 20 series circuit produces the greatest electrical voltage, but the electric current is small and the resistance is large. While the series with 20 cells and 5 series with 4 parallel obtained maximum power. The cassava peel which were fermented for 72 hours can increase the electrical power generated from the three types of circuits.

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2

Toro, Camilo, Joseph Matsumoto, Günther Deuschl, Bradley J. Roth, and Mark Hallett. "Source analysis of scalp-recorded movement-related electrical potentials." Electroencephalography and Clinical Neurophysiology 86, no. 3 (1993): 167–75. http://dx.doi.org/10.1016/0013-4694(93)90004-f.

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3

Blagojevic, Marija, Zivadin Micic, and Momcilo Vujicic. "Cluster analysis of knowledge sources in standardized electrical engineering subfields." Serbian Journal of Electrical Engineering 13, no. 3 (2016): 405–22. http://dx.doi.org/10.2298/sjee1603405b.

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The paper presents a cluster analysis of innovation of knowledge sources based on the standards in the field of Electrical Engineering. Both local (SRPS) and global (ISO) knowledge sources have been analysed with the aim of innovating a Knowledge Base (KB). The results presented indicate a means/possibility of grouping the subfields within a cluster. They also point to a trend or intensity of knowledge source innovation for the purpose of innovating the KB that accompanies innovations. The study provides the possibility of predicting necessary financial resources in the forthcoming period by means of original mathematical relations. Furthermore, the cluster analysis facilitates the comparison of the innovation intensity in this and other (sub)fields. Future work relates to the monitoring of the knowledge source innovation by means of KB engineering and improvement of the methodology of prediction using neural networks.

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4

Qichang An, Qichang An, Jingxu Zhang Jingxu Zhang, Fei Yang Fei Yang, and Hongchao Zhao Hongchao Zhao. "Normalized point source sensitivity analysis in GSSM prototype." Chinese Optics Letters 15, no. 11 (2017): 111202. http://dx.doi.org/10.3788/col201715.111202.

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5

Li, He, Zhipeng Qi, Xiu Li, and Yingying Zhang. "Numerical modelling analysis of multi-source semi-airborne TEM systems using a TFEM." Journal of Geophysics and Engineering 17, no. 3 (2020): 399–410. http://dx.doi.org/10.1093/jge/gxz119.

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Abstract Traditional transient electromagnetic methods use single sources for excitation and extract the characteristics of underground media by improving interpretation technology. This study focused the improvements of transient electromagnetic interpretation using complex source technology. A time-domain vector finite element method (TFEM) was applied on three-dimensional forward modelling of semi-airborne transient electromagnetic (TEM) with multiple electrical sources, and it analysed the characteristics of fields with multiple sources. The study used a model of an isolated anomalous body in a homogeneous medium as an example. The effects of different combinations of excitation sources on the distributions of the magnetic field characteristics were analysed. Numerical results showed that the magnetic field components in a specific area could be strengthened by changing the layout of the sources, which was significant for future field data collections. By comparing the transient electromagnetic fields of the vertical array dipole sources with that of the loop source, the anomaly transient electromagnetic field of multi-source was more obvious than the field with a single source. Taking a complex orebody model as an example, a cross-electric source was used to calculate the magnetic field components of the semi-airborne TEM method. The resistivity distribution characteristics of the underground medium were obtained using an apparent resistivity interpretation method of the vertical magnetic field, which fully demonstrated that a multi-source transient electromagnetic system had the ability to determine abundant resistivity information of a complex medium.

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6

Jenal, Norhisyam, Wahyu Kuntjoro, Thomas Arthur Ward, Khairul Imran Sainan, and Firdaus Mohamad. "Performance Analysis of Ground-Based Static Test for Hydrogen Fuelcell Propulsion System." Applied Mechanics and Materials 393 (September 2013): 510–15. http://dx.doi.org/10.4028/www.scientific.net/amm.393.510.

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Combustion engines are increasingly being regarded as unsustainable in the long-term, because of their negative impact on the environment (e.g. pollution, green-house gas production, and global warming). This has generated worldwide interest in propulsion systems based on renewable alternative energy sources for the future. Fuel cell technology is a promising alternative power source because of their high specific energy, efficiency, and reliability. Hydrogen proton exchange membrane fuel cell (PEMFC) in particular produces zero carbon emissions by having only water vapor as the exhaust. Although there has been much research by automotive industries in developing fuel cell hybrid electric vehicles (FCHEV), fuel cell research for aircraft application is relatively new. Therefore, there is a pressing need for research related to development of aircraft fuel cell electric propulsion systems. Universiti Teknologi MARA (UiTM) is conducting static experiments on different configurations of fuel cell electric propulsion systems. The objective of this study is to understand the behavior of a PEMFC propulsion system under a ground-based static test. A 1 kW PEMFC was used as the main power source for a brushless DC motor electric propulsion system. The electrical characteristics, rotational speed, and thrust data were presented for two different electrical propellers. Analyses of the results were used to characterize the effectiveness of the fuel cell system and its balance of plant. The results were beneficial as a predictive method on defining the optimum electric propulsion system performance needed for future actual flight development.

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7

Romanovskiy, Victor V., Boris V. Shnyak, and Alexey G. Gostev. "ANALYSIS OF EMPLOYMENT CURRENT SOURCE INVERTERS IN ELECTRICAL PROPULSION SYSTEMS." Vestnik Gosudarstvennogo universiteta morskogo i rechnogo flota imeni admirala S. O. Makarova 9, no. 5 (2017): 1086–94. http://dx.doi.org/10.21821/2309-5180-2017-9-5-1086-1094.

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8

Banoeari, Annisa Tri, Tariza Humaira Tembusai, and Riris Siahaan. "Analysis of Electrical Energy Contained in Vegetables." Indonesian Journal of Chemical Science and Technology (IJCST) 4, no. 2 (2021): 85. http://dx.doi.org/10.24114/ijcst.v4i2.27602.

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This study aims to determine the source of electrical energy in potatoes and lime. The method used is based on the principle that the salt content in potatoes is a solution, where salt is the solute and water is the solvent, so the ions can move freely. The movement of the ions in the potato can conduct electricity. For the contained acid lime affects the hardness of the composite, which affects the matrix and filler bonds. oxalic acid, which is in lime juice, is a type of electrolyte solution. In a voltaic cell, the electrolyte solution can function to deliver ions from the anode to the cathode so that it can produce electrical energy. Electrical energy is energy that is very important in life. Electrical energy is a basic human need so that potatoes and lime can be used as an alternative source of electrical energy.

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9

Buonomo, A., and A. Lo Schiavo. "Analysis of emitter (source)-coupled multivibrators." IEEE Transactions on Circuits and Systems I: Regular Papers 53, no. 6 (2006): 1193–202. http://dx.doi.org/10.1109/tcsi.2006.875165.

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10

Koldovsky, Zbynek, and Francesco Nesta. "Performance Analysis of Source Image Estimators in Blind Source Separation." IEEE Transactions on Signal Processing 65, no. 16 (2017): 4166–76. http://dx.doi.org/10.1109/tsp.2017.2709269.

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11

Gerasimov, Sergey A. "Parallel and Series Connection of Dark Electric Current in Liquid and Second Law of Thermodynamics." European Journal of Applied Physics 3, no. 2 (2021): 16–18. http://dx.doi.org/10.24018/ejphysics.2021.3.2.57.

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Liquid in contact with two asymmetrical spiral-shape aluminum electrodes behaves like a still weak source of electrical energy. Almost the only way to increase the efficiency of such a source of electrical energy is to reduce internal resistance. Reducing internal resistance is equivalent to using multiple sources of electrical energy connected in series or in parallel. To check this for such unusual sources it is first necessary to study the properties of each source, which is the voltage drop across the load resistance and the internal resistance of each source. Detailed analysis of experimental data shows that the process of forming the dark current is different from a chemical one.

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12

Putri, Karlin Marta, Helendra Helendra, and Aidhia Rahmi. "Electrical Analysis of Red Dragon Fruit Stem (Hydrocereus polyrhizus) as a Source of Electrical Energy." Sainstek : Jurnal Sains dan Teknologi 13, no. 1 (2021): 38. http://dx.doi.org/10.31958/js.v13i1.2643.

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13

RYMARCZYK, Tomasz. "Application of multi-source data for process analysis in electrical tomography." PRZEGLĄD ELEKTROTECHNICZNY 1, no. 12 (2019): 194–97. http://dx.doi.org/10.15199/48.2019.12.43.

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14

Miltner, W., C. Braun, R. Johnson, G. V. Simpson, and D. S. Ruchkin. "A test of brain electrical source analysis (BESA): a simulation study." Electroencephalography and Clinical Neurophysiology 91, no. 4 (1994): 295–310. http://dx.doi.org/10.1016/0013-4694(94)90193-7.

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15

Bansod, Yogesh Deepak, Maeruan Kebbach, Daniel Kluess, Rainer Bader, and Ursula van Rienen. "Finite element analysis of bone remodelling with piezoelectric effects using an open-source framework." Biomechanics and Modeling in Mechanobiology 20, no. 3 (2021): 1147–66. http://dx.doi.org/10.1007/s10237-021-01439-3.

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AbstractBone tissue exhibits piezoelectric properties and thus is capable of transforming mechanical stress into electrical potential. Piezoelectricity has been shown to play a vital role in bone adaptation and remodelling processes. Therefore, to better understand the interplay between mechanical and electrical stimulation during these processes, strain-adaptive bone remodelling models without and with considering the piezoelectric effect were simulated using the Python-based open-source software framework. To discretise numerical attributes, the finite element method (FEM) was used for the spatial variables and an explicit Euler scheme for the temporal derivatives. The predicted bone apparent density distributions were qualitatively and quantitatively evaluated against the radiographic scan of a human proximal femur and the bone apparent density calculated using a bone mineral density (BMD) calibration phantom, respectively. Additionally, the effect of the initial bone density on the resulting predicted density distribution was investigated globally and locally. The simulation results showed that the electrically stimulated bone surface enhanced bone deposition and these are in good agreement with previous findings from the literature. Moreover, mechanical stimuli due to daily physical activities could be supported by therapeutic electrical stimulation to reduce bone loss in case of physical impairment or osteoporosis. The bone remodelling algorithm implemented using an open-source software framework facilitates easy accessibility and reproducibility of finite element analysis made.

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16

Ojo, O. "Analysis of Current Source Induction Motor Drive Fed from Photovoltaic Energy Source." IEEE Power Engineering Review 11, no. 3 (1991): 39. http://dx.doi.org/10.1109/mper.1991.88795.

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17

Didem Beskardes, G., and Chester J. Weiss. "A parametric analysis of oilfield design factors affecting the detectability and characterization of electrically conductive hydrofracks." GEOPHYSICS 85, no. 4 (2020): E99—E110. http://dx.doi.org/10.1190/geo2019-0297.1.

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Electrical responses in the vicinity of energized steel-cased well sources offer significant potential for monitoring induced fractures. However, the high complexity of well-fracture-host models spanning multiple length scales compels analysts to simplify their numerical models due to enormous computational costs. This consequently limits our understanding regarding monitoring capabilities and the limitations of electrical measurements on realistic hydraulically fracturing systems. Here, we use the hierarchical finite element approach to construct geoelectric models in which geometrically complex fractures and steel-cased wells are discretely represented in 3D conducting media without sacrificing the model realism and computation efficiency. We have discovered systematic numerical analyses of the electrical responses to evaluate the influences of borehole material conductivity and the source type as well as the effects of well geometry, conductivity contrast, source location, fracture growth, and fracture propagation. The numerical results indicate that the borehole material property has a strong control on the electrical potentials along the production and monitoring wells. The monopole source located at a steel-cased well results in a current density distribution that decays away from the source location throughout the well length, whereas the dipole source produces a current density that dominates mainly along the dipole length. Moreover, the conductivity contrast between the fractures and host does not change the overall pattern of the electrical potentials but varies its amplitude. The fracture models near different well systems indicate that the well geometry controls the entire distribution of potentials, whereas the characteristics of the voltage difference profiles along the wells before and after fracturing are insensitive to the well geometry and the well in which the source is located. Further, the hydraulic-fracturing models indicate that the voltage differences along the production well before and after fracturing have strong sensitivity to fracture growth and fracture set propagation.

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18

Nakano, Yuki, Essam A. Rashed, Tatsuhito Nakane, Ilkka Laakso, and Akimasa Hirata. "ECG Localization Method Based on Volume Conductor Model and Kalman Filtering." Sensors 21, no. 13 (2021): 4275. http://dx.doi.org/10.3390/s21134275.

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The 12-lead electrocardiogram was invented more than 100 years ago and is still used as an essential tool in the early detection of heart disease. By estimating the time-varying source of the electrical activity from the potential changes, several types of heart disease can be noninvasively identified. However, most previous studies are based on signal processing, and thus an approach that includes physics modeling would be helpful for source localization problems. This study proposes a localization method for cardiac sources by combining an electrical analysis with a volume conductor model of the human body as a forward problem and a sparse reconstruction method as an inverse problem. Our formulation estimates not only the current source location but also the current direction. For a 12-lead electrocardiogram system, a sensitivity analysis of the localization to cardiac volume, tilted angle, and model inhomogeneity was evaluated. Finally, the estimated source location is corrected by Kalman filter, considering the estimated electrocardiogram source as time-sequence data. For a high signal-to-noise ratio (greater than 20 dB), the dominant error sources were the model inhomogeneity, which is mainly attributable to the high conductivity of the blood in the heart. The average localization error of the electric dipole sources in the heart was 12.6 mm, which is comparable to that in previous studies, where a less detailed anatomical structure was considered. A time-series source localization with Kalman filtering indicated that source mislocalization could be compensated, suggesting the effectiveness of the source estimation using the current direction and location simultaneously. For the electrocardiogram R-wave, the mean distance error was reduced to less than 7.3 mm using the proposed method. Considering the physical properties of the human body with Kalman filtering enables highly accurate estimation of the cardiac electric signal source location and direction. This proposal is also applicable to electrode configuration, such as ECG sensing systems.

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19

Cothard, A. "Static control [source-code analysis]." Electronics Systems and Software 4, no. 4 (2006): 30–33. http://dx.doi.org/10.1049/ess:20060406.

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20

Jiang, Hai Long, Hai Peng Zhang, Zhen Sheng Xia, and Hui Qi. "Research on the Ship Electrical Properties of Shaft-Rate Electric Field." Applied Mechanics and Materials 563 (May 2014): 333–37. http://dx.doi.org/10.4028/www.scientific.net/amm.563.333.

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In order to reduce the impact of shaft-rate electric field (SRE) on the concealment of the ship, the factors that influence shaft-rate electric field are studied based on the analysis of its energy source. The ship electrical equivalent model is established by analyzing the structure of ship shafts, and on this basis, the electrical properties of the ship shafting is analyzed, laying the theoretical foundation for the study of shaft-rate electric field. It is shown that the bearing contact impedance changing is the important part of the ship shaft structure electricity analysis among the factors and its analysis is the base of research on shaft-rate electric field restrains technology.

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21

Matsuyama, Chieko, Toyoshiro Nakashima, and Naohiro Ishii. "An Analysis of Programming Beginners' Source Programs." IEEJ Transactions on Electronics, Information and Systems 125, no. 12 (2005): 1914–15. http://dx.doi.org/10.1541/ieejeiss.125.1914.

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22

Hammond, G. D., C. C. Speake, and M. Stiff. "Noise analysis of a Howland current source." International Journal of Electronics 95, no. 4 (2008): 351–59. http://dx.doi.org/10.1080/00207210801976503.

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23

Fang, Wanting, Haolong Wang, Biao Xu, and Ye Zhang. "Blind source separation using analysis sparse constraint." Electronics Letters 52, no. 13 (2016): 1112–14. http://dx.doi.org/10.1049/el.2016.0334.

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24

Manyi-Loh, Christy E., Mandlenkosi Sikhonza, and Stephen Tangwe. "Linear Regression Analysis and Techno-Economic Viability of an Air Source Heat Pump Water Heater in a Residence at a University Campus." Energies 14, no. 8 (2021): 2280. http://dx.doi.org/10.3390/en14082280.

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This study quantifies the potential of a 4.0 kW air source heat pump (ASHP) unit retrofitted to a 12.0 kW, 1000 L electric boiler coupled to a 1000 L storage tank. A data acquisition system was built to monitor the performance of the electric boiler and the ASHP water heater. The annual electrical energy saving and the load factor reduction from the electric boiler because of the ASHP unit retrofit was 34,805.94 kWh and 0.124. The net present value payback period of the ASHP system was 1.60 years. A Wilcoxon rank sum test was employed to compare both the volumes of hot water and electrical energy consumed by the two systems. Linear regression models of the daily volumes of hot water and electrical energy consumed by both systems were established. The results should be of great value to the management of universities that are considering energy-efficient interventions with a significant return on investment.

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25

Xue, Kai-Chang, Shuang Wang, Jun Lin, Gang Li, and Feng-Dao Zhou. "Loss Analysis and Air-Cooled Design for a Cascaded Electrical Source Transmitter." Journal of Power Electronics 15, no. 2 (2015): 530–43. http://dx.doi.org/10.6113/jpe.2015.15.2.530.

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26

O, B. F. "Electrical source analysis of auditory ERP's in medial temporal lobe amnestic syndrome." Neurocase 2, no. 4 (1996): 259y—298. http://dx.doi.org/10.1093/neucas/2.4.259-y.

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27

Toscano, Gianpaolo, Margherita Carboni, Maria Rubega, et al. "Visual analysis of high density EEG: As good as electrical source imaging?" Clinical Neurophysiology Practice 5 (2020): 16–22. http://dx.doi.org/10.1016/j.cnp.2019.09.002.

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28

O'Donnell, Brian F., Ronald A. Cohen, Hiroto Hokama, et al. "Electrical source analysis of auditory ERPs in medial temporal lobe amnestic syndrome." Electroencephalography and Clinical Neurophysiology 87, no. 6 (1993): 394–402. http://dx.doi.org/10.1016/0013-4694(93)90153-m.

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29

Um, Evan Schankee, Jihoon Kim, Michael J. Wilt, Michael Commer, and Seung-Sep Kim. "Finite-element analysis of top-casing electric source method for imaging hydraulically active fracture zones." GEOPHYSICS 84, no. 1 (2019): E23—E35. http://dx.doi.org/10.1190/geo2018-0451.1.

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Imaging hydraulically active fracture zones (HAFZ) is of paramount importance to subsurface resource extraction, geologic storage, and hazardous waste disposal. We have developed advanced 3D finite-element (FE) electrical imaging algorithms for HAFZ in the presence of a steel-cased well. The algorithms use tetrahedral FE meshes in the simulation domain and coarse rectangular finite-difference meshes in the imaging domain. This heterogeneous dual-mesh approach is well suited to modeling the multiscale earth model due to steel-cased wells. We find that the algorithms accurately and efficiently simulate surface electric field measurements over a 3D HAFZ at depth when one end point of a surface electric source is connected to a wellhead. For brevity, this configuration is called the top-casing electric source method. By replacing a hollow cased well with a solid prism, we improve our computational efficiency without affecting the solution accuracy. The sensitivity of the top-casing source method to HAFZ highly depends on the continuity of a steel-cased well because it makes currents preferentially flow to HAFZ. The sensitivity also depends on conductivity structures around the well because they control current leaking from the steel-cased well. We find that the method can image a localized HAFZ and detect changes in its width and height. The imaging results are improved when a volume of the imaging domain is constrained from geomechanical perspectives. A primary advantage of the method is the fact that the sources and receivers are placed on the surface, thus not interrupting the well operation.

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30

Koneshloo, Amirhossein, Dongping Du, and Yuncheng Du. "An Uncertainty Modeling Framework for Intracardiac Electrogram Analysis." Bioengineering 7, no. 2 (2020): 62. http://dx.doi.org/10.3390/bioengineering7020062.

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Intracardiac electrograms (EGMs) are electrical signals measured within the chambers of the heart, which can be used to locate abnormal cardiac tissue and guide catheter ablations to treat cardiac arrhythmias. EGMs may contain large amounts of uncertainty and irregular variations, which pose significant challenges in data analysis. This study aims to introduce a statistical approach to account for the data uncertainty while analyzing EGMs for abnormal electrical impulse identification. The activation order of catheter sensors was modeled with a multinomial distribution, and maximum likelihood estimations were done to track the electrical wave conduction path in the presence of uncertainty. Robust optimization was performed to locate the electrical impulses based on the local conduction velocity and the geodesic distances between catheter sensors. The proposed algorithm can identify the focal sources when the electrical conduction is initiated by irregular electrical impulses and involves wave collisions, breakups, and spiral waves. The statistical modeling framework can efficiently deal with data uncertainties and provide a reliable estimation of the focal source locations. This shows the great potential of a statistical approach for the quantitative analysis of the stochastic activity of electrical waves in cardiac disorders and suggests future investigations integrating statistical methods with a deterministic geometry-based method to achieve advanced diagnostic performance.

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31

Xiao-Liang Xu and K. Buckley. "An Analysis of Beam-Space Source Localization." IEEE Transactions on Signal Processing 41, no. 1 (1993): 501. http://dx.doi.org/10.1109/tsp.1993.193189.

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32

Saito, Tadao, Hitoshi Aida, and Youji Kawaguchi. "Protection against trojan horses by source code analysis." Electronics and Communications in Japan (Part III: Fundamental Electronic Science) 77, no. 1 (1994): 11–19. http://dx.doi.org/10.1002/ecjc.4430770102.

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33

Eriksson, Tomas, John B. Anderson, and Norbert Goertz. "Linear Congruential Trellis Source Codes: Design and Analysis." IEEE Transactions on Communications 55, no. 9 (2007): 1693–701. http://dx.doi.org/10.1109/tcomm.2007.904375.

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34

Conotter, V., and G. Boato. "Analysis of sensor fingerprint for source camera identification." Electronics Letters 47, no. 25 (2011): 1366–67. http://dx.doi.org/10.1049/el.2011.2964.

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35

Rukmini, Rukmini, Sukirno Sukirno, Sahabuddin Sunusi, and Paris J.Senda. "Analysis of Photovoltaic as Supporting Electric Power Supply on 02 Sultan Hasanuddin Training Vessel." PROSIDING POLITEKNIK ILMU PELAYARAN MAKASSAR 1, no. 4 (2021): 60–68. http://dx.doi.org/10.48192/prc.v1i4.325.

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This study aims to analyze the amount of electric power and the profit achieved under the installation of the Photovoltaic array. Solar panel tested was laid on the surface of the Training Ship 02 Sultan Hasanuddin. The technical analysis, namely the calculation of electrical power and economical use of Solar-Powered Electric to support the diesel-powered electric generator as the main source of electrical power. A comparison of power was made by measuring the electric current and voltage variable as well as the financial calculation between the diesel-powered and solar-powered electric generator. The financial calculation was analyzed by using NPV, IRR and PI methods. The results showed that since the power capacity of the Solar Panels was almost similar to the capacity of the Diesel Generator with the output power assumed to be similar, the Solar Panel that supports the Diesel Generator was more profitable than the use of Diesel Generators without supporting solar cells.

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36

Pozo, Marcelo. "Multicriteria Decision Analysis Applied to an Electrical Power System: Case of Study." INNOVATION & DEVELOPMENT IN ENGINEERING AND APPLIED SCIENCES 1, no. 1 (2019): 47–57. http://dx.doi.org/10.53358/ideas.v1i1.19.

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The decision making method applied in this paper, allows to know which of the energies sources in a power electrical system are more optimal depending on different criteria. For choosing the most optimal energy source, is necessary to know different parameters, which an operator could not process all at the same time or have not known them. The goal of the present study is to obtain the best selection of a series of alternatives, under different criteria in which the user could to select the most appropriate when uncertainties or doubts arise between each of the alternatives. multicriteria method helps to describe and analyze the problem of interest and to support the making decisions.

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37

Makhrani. "Potential Analysis of Rice Straw as an Alternative Energy Source for Substitute Coal in Indonesia." Applied Mechanics and Materials 554 (June 2014): 276–80. http://dx.doi.org/10.4028/www.scientific.net/amm.554.276.

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The study of the potential of rice straw was conducted to determine the potential energy of rice straw available as substitute energy sources of coal in Indonesia. The statistical data of rice production Indonesia in 2001-2012, used to analysis of the development potential of rice straw each year. Province are analyzed by 27 provinces have greater rice production of 100,000 tons per year. The analysis showed that the potential of rice straw and potential electrical energy increased by approximately 36.8 % over 12 years, an increase of approximately 3.1 % per year. The potential of rice straw in 27 provinces gained about 91.753 million tons which is equivalent to approximately 50.974 million tons of coal, electrical energy potential of about 382.305 GWh, and the potential power capacity about 43.642 MW. It was concluded that the energy potential of rice straw in 27 provinces in Indonesia is quite large and is increasing every year. Exploiting this potential as a source of electrical energy, can overcome the shortage of electrical energy and can reduce the use of coal in Indonesia.

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38

Thurairajah, Arun. "Role of Electrical Source Imaging in Pediatric Epilepsy and Pre-Surgical Evaluation." Sciential - McMaster Undergraduate Science Journal, no. 6 (April 12, 2021): 10–14. http://dx.doi.org/10.15173/sciential.vi6.2645.

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Children with drug-resistant epilepsy undergo an extensive pre-surgical evaluation to determine the part of the brain thought to be the cause of seizures. The employment of non-invasive diagnostic imaging tools plays an important role in establishing surgical candidacy, preventing the need for invasive procedures. Electrical source imaging (ESI) has been explored as a modern alternative to traditional diagnostic techniques in pre-surgical workup. Through computational analysis of recorded electric potentials and individualized head scans, ESI provides a non-invasive method of obtaining more accurate localizations. However, its use within the clinical setting is limited. The following review looks to examine the literature surrounding ESI and advocates for its inclusion within the pre-surgical workup of children.

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39

Bensaada, M., F. Metehri, and S. Della Krachai. "Comparative Analysis of Thermoelectric Generators Parameters." WSEAS TRANSACTIONS ON HEAT AND MASS TRANSFER 16 (January 29, 2021): 14–17. http://dx.doi.org/10.37394/232012.2021.16.2.

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Other sources of energy in space applications remain unexploited such as heat. Indeed the exchange of heat is considered generally on board spacecraft as hostile, destructive and undesirable, thereby a different means are used to reduce its effect on board spacecraft. Heat being an important source of energy, it remains badly exploited on spacecraft and its applications remain limited. We present in this paper one of the methods used to convert heat energy to electrical energy by using thermoelectric device, the goal becomes therefore to choose a device capable to give a best performances through a comparative analysis between different commercial thermoelectric generator devices to be able subsequently to make a choice of the component to be used for future design. This analysis will allow us thereafter to design a thermoelectric generator as secondary power source for small satellite by exploiting the external thermal properties of the spacecraft on orbit.

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Kim, Sin, Rong Li Wang, Anil Kumar Khambampati, Bo An Lee, and Kyung Youn Kim. "An improved boundary distributed source method for electrical resistance tomography forward problem." Engineering Analysis with Boundary Elements 44 (July 2014): 185–92. http://dx.doi.org/10.1016/j.enganabound.2014.01.021.

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41

Stančák, Andrej, Hubert Poláček, Jiří Vrána, et al. "EEG source analysis and fMRI reveal two electrical sources in the fronto-parietal operculum during subepidermal finger stimulation." NeuroImage 25, no. 1 (2005): 8–20. http://dx.doi.org/10.1016/j.neuroimage.2004.10.025.

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42

Baumgärtner, U., H. Vogel, J. Ellrich, J. Gawehn, P. Stoeter, and R. D. Treede. "Brain electrical source analysis of primary cortical components of the tibial nerve somatosensory evoked potential using regional sources." Electroencephalography and Clinical Neurophysiology/Evoked Potentials Section 108, no. 6 (1998): 588–99. http://dx.doi.org/10.1016/s0168-5597(98)00040-9.

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Nagi, Łukasz, Michał Kozioł, and Jarosław Zygarlicki. "Comparative Analysis of Optical Radiation Emitted by Electric Arc Generated at AC and DC Voltage." Energies 13, no. 19 (2020): 5137. http://dx.doi.org/10.3390/en13195137.

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The article presents a comparison of the spectra of electromagnetic radiation emitted by an electric arc. The spectrum ranges from ultraviolet through visible light to near infrared. Spectra from electric arcs were compared for different frequencies of generating current and for direct current. Characteristic peaks for each measurement were described, and the percentage of individual components of light emitted through the arc was presented. An electric arc is an undesirable phenomenon in many areas, and its detection and control depends largely on its source. There are also areas where an electric arc is used. A better understanding of the physical phenomena involved in different arcs can help optimize the use of the electric arc. Safety and economy through the elimination of parasitic energy shares i.e., in the welding arc can be based on the control of the arc by controlling its optical spectrum. The optical method used in this study is one of the methods of electrical discharge detection in electrical devices and systems.

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Das, Rajashree, and Srimanta Baishya. "Electrical parameter analysis of gate-extension on source of germanium tri-gate FinFET." International Journal of Nanoparticles 11, no. 2 (2019): 130. http://dx.doi.org/10.1504/ijnp.2019.099183.

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Das, Rajashree, and Srimanta Baishya. "Electrical parameter analysis of gate-extension on source of germanium tri-gate FinFET." International Journal of Nanoparticles 11, no. 2 (2019): 130. http://dx.doi.org/10.1504/ijnp.2019.10020328.

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46

Huang, Lan, Zhong-Yi Wang, Long-Lian Zhao, et al. "Electrical signal measurement in plants using blind source separation with independent component analysis." Computers and Electronics in Agriculture 71 (April 2010): S54—S59. http://dx.doi.org/10.1016/j.compag.2009.07.014.

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Shindo, Y., M. Oka, and K. Horiguchi. "Analysis and Testing of Indentation Fracture Behavior of Piezoelectric Ceramics Under an Electric Field." Journal of Engineering Materials and Technology 123, no. 3 (2001): 293–300. http://dx.doi.org/10.1115/1.1370370.

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To estimate the electric fracture toughness, indentation fracture (IF) tests were made on piezoelectric materials under combined mechanical and electrical loads. Lead zirconate titanate (PZT) ceramics from a commercial source were used. A three-dimensional finite element analysis was also employed to calculate the energy release rate and stress intensity factor. Surface cracks produced by indentation with Vickers indented were modeled as two point-force loaded half-penny-shaped cracks.

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Maulana, Andi, Welly Yandi, and Wahri Sunanda. "Analysis of Photovoltaic Cells Performance at University of Bangka Belitung." Journal of Innovation and Technology 1, no. 2 (2020): 8–11. http://dx.doi.org/10.31629/jit.v1i2.3166.

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Photovoltaic as a renewable source of electrical energy is utilized at University of Bangka Belitung (UBB) as a source of additional electrical energy. With a capacity of 280 Wp per unit, the photovoltaic performance needs to be maintained so that their performance is getting better. After cleaning with cleaning fluid, the photovoltaic voltage output has increased from 13.7 - 16.8 volt to 17.4 - 22.6 volt. After cleaning the photovoltaic, the current output also increased from 0.33 - 1.8 A to 1.5 - 7.6 A. The real power generated also increased from 4.5 - 29.7 Watt to 26 - 164 Watt

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Kumar, Atul, and Imran Khan. "Harmonics Analysis and Enhancement of Power Quality in Hybrid Photovoltaic and Wind power System for Linear and Nonlinear Load using 3 Levels Inverter." International Journal of Recent Technology and Engineering 10, no. 1 (2021): 296–307. http://dx.doi.org/10.35940/ijrte.d4915.0510121.

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The emergent use of non-conventional energy resources in electrical power grid has initiated new challenge for the service load as concern to voltage balance, power quality issues and effective energy operation. Solar/ wind hybrid RES deliberated as the furthermost promising sources. Nevertheless standalone operations of distributed energy sources such as solar and wind not make sure of reliable power production principally owing to the randomness over the solar irradiance and accessibility of the wind. Hence, a combination of wind and solar energy production configuration can plan a highly reliable source of electrical energy. In This article, multi-level inverter (3 levels inverter) based grid tied hybrid solar- wind energy system based on a 3 level inverter is presented with the mitigation of power quality problems. In this work, analysis on simulation model is conceded to determine source current and voltage and percentage of total harmonic distortion. In particular, the power quality analysis is performed in grid tied hybrid solar and wind electrical power system using 3 level inverter.

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Saintenoy, Albane C., and Albert Tarantola. "Ground‐penetrating radar: Analysis of point diffractors for modeling and inversion." GEOPHYSICS 66, no. 2 (2001): 540–50. http://dx.doi.org/10.1190/1.1444945.

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The three electromagnetic properties appearing in Maxwell’s equations are dielectric permittivity, electrical conductivity and magnetic permeability. The study of point diffractors in a homogeneous, isotropic, linear medium suggests the use of logarithms to describe the variations of electromagnetic properties in the earth. A small anomaly in electrical properties (permittivity and conductivity) responds to an incident electromagnetic field as an electric dipole, whereas a small anomaly in the magnetic property responds as a magnetic dipole. Neither property variation can be neglected without justification. Considering radiation patterns of the different diffracting points, diagnostic interpretation of electric and magnetic variations is theoretically feasible but is not an easy task using ground‐penetrating radar. However, using an effective electromagnetic impedance and an effective electromagnetic velocity to describe a medium, the radiation patterns of a small anomaly behave completely differently with source‐receiver offset. Zero‐offset reflection data give a direct image of impedance variations while large‐offset reflection data contain information on velocity variations.

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