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Journal articles on the topic 'Electrical complex'

Author: Grafiati

Published: 30 May 2022

Last updated: 22 June 2025

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1

SINCHUK, Oleg, and Victor GORSHKOV. "CONTROL SYSTEM OF THE ELECTRICAL COMPLEX OF STREET LIGHTING." Herald of Khmelnytskyi National University. Technical sciences 311, no. 4 (2022): 232–36. http://dx.doi.org/10.31891/2307-5732-2022-311-4-232-236.

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To date, taking into account the strategies for the development of control systems and the active introduction of distributed generation sources into various spheres of the world economy, including those based on renewable sources of electrical energy, hybrid systems of artificial outdoor lighting controlled by intelligent control systems are being developed. The paper proposes an approach to the construction of an external lighting control system on city highways and public places. Regulation of external lighting is carried out by adjusting the luminous flux of lamps, and the sources of luminous flux are the lamps with which they are equipped. But not all types of lamps are suitable for adjusting the smooth change of light flux. If there is a communication channel between the network of lamps equipped with EIDs and the dispatching service, it is possible to transmit information about the state of operation of EIDs and the performance of lamps in order to detect deviations in the operation of EIDs and lamps that need to be replaced. In accordance with the given schedule for changing the level of external lighting, the KD software sends a command to change the level of light flux on specific lamps. The control unit transmits incoming information (a command) to the control unit, which, together with the lamp control channel connected to it, forms a local lighting control network. The decentralized outdoor lighting control system provides for the absence of a control room, server, server access devices, as well as the Internet as a means of communication, executive equipment of the substation and replacement of the PUS with the APUS, as well as the presence of service personnel who will service the equipment of the APUS substation, KOP and SC, as a result of the lack of feedback from the APUS to the OP, i.e. the maintenance of the PS is carried out directly by maintenance and programming specialists Thus, a scheme for decentralized management of outdoor lighting on city highways and public places was proposed.

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2

Iwai, Manabu, Shinichi Ninomiya, Gaku Sugino, and Kiyoshi Suzuki. "Complex Grinding Assisted with Electrical Discharge Machining for Electrically Conductive PCD." Advanced Materials Research 126-128 (August 2010): 591–96. http://dx.doi.org/10.4028/www.scientific.net/amr.126-128.591.

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A new PCD material named EC-PCD (Electrically conductive polycrystalline composite diamond), which consists of electrically conductive diamond grits, has recently been developed. This paper deals with an investigation of a complex grinding assisted with electrical discharge machining (EDM) to realize high efficiency, low and stable grinding force and low wheel wear for the new EC-PCD. The effect of complex grinding assisted with EDM is compared experimentally with the standard PCD (S-PCD). The result shows that, in the complex grinding, lower and more stable grinding force is realized thanks to the material removal action in EDM and that lower wheel wear and better surface finish are attained, just when the EC-PCD is selected as a workpiece.

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3

Romanov, Vladimir, and Valery Goldstein. "Improving the Reliability of Electrical Engineering Complex of Submersible Electric Equipment of Oil Production Based on the Analysis of its Emergency." Electrotechnical Systems and Complexes, no. 3(40) (September 25, 2018): 20–26. http://dx.doi.org/10.18503/2311-8318-2018-3(40)-20-26.

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4

SHUBOV, L. Ya, I. G. DORONKINA, T. S. SMIRNOVA, and O. V. GOLUB. "Complex use electronic and electrical scrap." Iindustrial Ecology, no. 2 (2022): 12–18. http://dx.doi.org/10.52190/2073-2589_2022_2_12.

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5

Shevchuk, V. N., and I. V. Kayun. "Electrical Charge Transfer in Complex Oxides." Acta Physica Polonica A 117, no. 1 (2010): 150–54. http://dx.doi.org/10.12693/aphyspola.117.150.

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6

Ray, C., G. Ruffini, J. Marco-Pallarés, L. Fuentemilla, and C. Grau. "Complex networks in brain electrical activity." Europhysics Letters (EPL) 79, no. 3 (2007): 38004. http://dx.doi.org/10.1209/0295-5075/79/38004.

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7

Kremers, Mark S., John M. Miller, and Mark E. Josephson. "Electrical alternans in wide complex tachycardias." American Journal of Cardiology 56, no. 4 (1985): 305–8. http://dx.doi.org/10.1016/0002-9149(85)90854-9.

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8

Yakovlev, Grigory, Černý Vít, Irina Polyanskikh, et al. "The Effect of Complex Modification on the Impedance of Cement Matrices." Materials 14, no. 3 (2021): 557. http://dx.doi.org/10.3390/ma14030557.

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The research results presented in this article were obtained by joint scientific research on creatingcement materials with reduced impedance. It is known that functional additives added to impart electrically conductive properties have a negative impact on physical and mechanical characteristics of the material. This study suggests using the multiwall carbon nanotubes in the amount of 7% from binder mass as a functional additive. The results obtained prove that the addition of this amount of the modifier does not lead to a significant decrease of strength characteristics. Calcium nitrate in the amount of 1–7% was added in order to level the strength loss and to ensure the effective stable electrical conductivity. The multifunctionality of using this salt has been proven, which is manifested in the anti-frost and anticorrosive effects as well in enhancement of electrical conductivity. The optimal composition of the additive with 7% of carbon nanotubes and 3% of calcium nitrate ensures a reduced electrical impedance of cement matrix. The electrical conductivity was 2440 Ohm, while the decrease of strength properties was within 10% in comparison tothe control sample. The nature of changes in the microstructure were studied to determine the influence of complex modifications that showed significant changes in the morphology of the hydration products. The optimum electrical characteristics of cementitious materials are provided due to the uniform distribution of carbon nanotubes and the formation of a network of interconnected micropores filled with the solution of calcium nitrate that provides additional and stable electrical conductivity over time.

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9

Kostin, K. V., K. S. Kryukov, and I. Yu Lepeshinsky. "Diagnostic complex «Bort»." Omsk Scientific Bulletin, no. 177 (2021): 20–23. http://dx.doi.org/10.25206/1813-8225-2021-177-20-23.

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The article deals with the issue of checking the operability of electrical equipment of armored vehicles. This issue is relevant, due to the need to maintain constant combat readiness of armored vehicles. The system is saturated with automated and automatic systems for various purposes, while there is a problem of rapid troubleshooting in the operation of devices and electrical equipment systems. Existing diagnostic systems allow testing through diagnostic connectors or with a break in the supply circuit through adapters. The diagnostic complex discussed in the article will allow you to check the operation of consumers, blocks without disconnecting connectors

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10

Lim, Yan Yik, Azizi Miskon, and Ahmad Mujahid Ahmad Zaidi. "CuZn Complex Used in Electrical Biosensors for Drug Delivery Systems." Materials 15, no. 21 (2022): 7672. http://dx.doi.org/10.3390/ma15217672.

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This paper is to discuss the potential of using CuZn in an electrical biosensor drug carrier for drug delivery systems. CuZn is the main semiconductor ingredient that has great promise as an electrochemical detector to trigger releases of active pharmaceutical ingredients (API). This CuZn biosensor is produced with a green metal of frameworks, which is an anion node in conductive polymers linked by bioactive ligands using metal–polymerisation technology. The studies of Cu, Zn, and their oxides are highlighted by their electrochemical performance as electrical biosensors to electrically trigger API. The three main problems, which are glucose oxidisation, binding affinity, and toxicity, are highlighted, and their solutions are given. Moreover, their biocompatibilities, therapeutic efficacies, and drug delivery efficiencies are discussed with details given. Our three previous investigations of CuZn found results similar to those of other authors’ in terms of multiphases, polymerisation, and structure. This affirms that our research is on the right track, especially that related to green synthesis using plant extract, CuZn as a nanochip electric biosensor, and bioactive ligands to bind API, which are limited to the innermost circle of the non-enzymatic glucose sensor category.

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11

Cabane, Bernard. "Symposium on Electrical Interactions in Complex Fluids." Journal de Physique 49, no. 6 (1988): 991. http://dx.doi.org/10.1051/jphys:01988004906099100.

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12

Weller, A., M. Seichter, and A. Kampke. "Induced-polarization modelling using complex electrical conductivities." Geophysical Journal International 127, no. 2 (1996): 387–98. http://dx.doi.org/10.1111/j.1365-246x.1996.tb04728.x.

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13

Moses, A. J., J. Leicht, and P. Anderson. "Characterising electrical steels under complex magnetising conditions." Journal of Magnetism and Magnetic Materials 254-255 (January 2003): 54–56. http://dx.doi.org/10.1016/s0304-8853(02)00746-1.

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14

Smolyarenko, V. D., Yu S. Bruman, and A. V. Stolyarenko. "Modern electrical steelmaking complex — An attractive investment." Metallurgist 42, no. 2 (1998): 41–48. http://dx.doi.org/10.1007/bf02765087.

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15

Kavian, M., E. C. Slob, and W. A. Mulder. "A new empirical complex electrical resistivity model." GEOPHYSICS 77, no. 3 (2012): E185—E191. http://dx.doi.org/10.1190/geo2011-0315.1.

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Macroscopic measurements of electrical resistivity require frequency-dependent effective models that honor the microscopic effects observable in macroscopic measurements. Effective models based on microscopic physics exist alongside with empirical models. We adopted an empirical model approach to modify an existing physical model. This provided a description of electrical resistivity as a function of not only frequency, but also water saturation. We performed two-electrode laboratory measurements of the complex resistivity on a number of fine and medium-grained unconsolidated sand packs saturated with water of three different salinities. For frequencies between 0.1 and 1 MHz, the data were fitted with the new model and compared to fits with Archie’s law. Our model described the relaxation times and DC resistivity values as negative exponential functions with increasing water saturation. All data could be accurately described as a function of frequency and water saturation with nine parameters.

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16

Frederickson, A. R., L. Levy, and C. L. Enloe. "Radiation-induced electrical discharges in complex structures." IEEE Transactions on Electrical Insulation 27, no. 6 (1992): 1166–78. http://dx.doi.org/10.1109/14.204868.

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17

Padhee, R., and Piyush R. Das. "Electrical properties of complex tungsten bronze ceramics." Phase Transitions 87, no. 9 (2014): 865–80. http://dx.doi.org/10.1080/01411594.2014.914512.

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18

Avouris, N. M., R. N. Allan, and M. Lagoudakos. "Modular graphic representation of complex electrical networks." International Journal of Electrical Power & Energy Systems 15, no. 5 (1993): 323–32. http://dx.doi.org/10.1016/0142-0615(93)90054-q.

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19

Tra, Vu Thanh, Jan-Chi Yang, Ying-Hui Hsieh, Jiunn-Yuan Lin, Yi-Chun Chen, and Ying-Hao Chu. "Controllable electrical conduction at complex oxide interfaces." physica status solidi (RRL) - Rapid Research Letters 8, no. 6 (2014): 478–500. http://dx.doi.org/10.1002/pssr.201409156.

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20

Amoev, T. A., A. G. Volkov, N. Zh Dikopova, V. M. Grinin, A. M. Panin, and N. A. Volkov. "Complex electrical resistance of teeth and its role in electrical sensitivity testing." Stomatology 104, no. 2 (2025): 11. https://doi.org/10.17116/stomat202510402111.

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The objective was to study the effect of complex electrical resistance of teeth on the electrical sensitivity testing values. Material and methods. The study of complex electrical resistance during electrical sensitivity testing was carried out in 70 patients aged 18 to 57 years. Males made up 48.6% and females 51.4%. A total of 254 teeth were examined. All the examined teeth had mature roots; 65 teeth were intact, 52 had previously been treated for caries, 38 teeth had dentine caries, 33 were diagnosed with pulpitis, 21 with periodontitis, 45 teeth had previously undergone endodontic treatment. Results. The main contribution to the complex electrical resistance during electrical sensitivity testing is made by the condition of the hard tissues of the teeth. In intact teeth, the impedance modulus was 3148±236.8. In the teeth where caries was treated, the impedance modulus was 2675±327.4 kOhm. In case of caries, i.e. when the active electrode was placed on the dentine of the tooth during the study, the module of complex electrical resistance decreased to 852±445.3 kOhm. The lowest values of the impedance modulus were in cases when the active electrode was located at the bottom of the tooth cavity, in the mouths of the root canals of teeth that had not previously undergone endodontic treatment, with pulpitis and periodontitis. Its values were 294±121.5 kOhm. In teeth with previously sealed root canals, the complex electrical resistance was 1253±297.8 kOhm. Conclusion. The results of the study showed that the module of complex electrical resistance, and, consequently, the electrical conductivity of tooth tissues during electrical sensitivity testing, can be in a wide range. These circumstances should be considered when choosing a technique for conducting electrical sensitivity testing in specific clinical situations.

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21

Sugino, Gaku, Manabu Iwai, Tadakazu Sano, Shinichi Ninomiya, and Kiyoshi Suzuki. "Processing EC-PCD by Constant-Force Grinding Assisted with EDM." Advanced Materials Research 126-128 (August 2010): 645–50. http://dx.doi.org/10.4028/www.scientific.net/amr.126-128.645.

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A new PCD (electrically conductive PCD: EC-PCD) consisting of electrically conductive diamond particles has recently been developed. The authors have proposed a complex grinding assisted with electrical discharge machining (EDM) where discharge machining and grinding are used in combination during material removal to realize high efficiency, low and stable grinding force and low wheel wear for the EC-PCD. In this study, the effect of constant-force grinding in a complex grinding assisted with electrical discharge machining of EC-PCD was investigated. As a result, it was found that higher material removal rate, higher grinding ratio and better surface condition were obtained on EC-PCD compared with standard PCD (S-PCD) in the constant-force grinding.

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22

Bykova, Valentina Prokhorovna. "Electrotechnical complex for distance learning." Vestnik of Astrakhan State Technical University. Series: Marine engineering and technologies 2021, no. 2 (2021): 109–19. http://dx.doi.org/10.24143/2073-1574-2021-2-109-119.

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The article identifies the difficulties arising from distant training of electro-engineering disciplines, in particular, when conducting laboratory work on the course of physics, electrical engineering and electronics. The advantages and prospects of technical means in education have been analyzed. The achievements of high-quality distance learning based on a computer laboratory of the educational and methodological electrical installation complex have been listed. Functioning of a computer laboratory supposes a connection between the server and the computers of the students and the teacher. One of the ways to implement distance learning using computer technologies when performing laboratory work on electrical disciplines has been presented. There has been considered an algorithm for solving graphical and computational tasks by using experimental data obtained when working with the test bench “Electrical Energy and Electronics”. There have been illustrated the diagrams of an AC rectifier diode, a parametric stabilizer of the electrical circuit voltage on the laboratory bench; the graphs of the current-voltage characteristics of an ideal semiconductor and real diodes, a Schottky diode, a silicon diode at different temperatures, a Zener diode. A diagram of the dependence of semiconductor band gap on temperature is presented. It has been inferred that the students must be IT competent before studying special subjects, in particular, physics and mathematics (specialist’s course “Ship Power plants and Automatic Equipment Operation”; Bachelor’s courses “Shipbuilding”, “Ship Power Plants”), as one of the areas of their professional activities is design and modernization of ships and marine equipment and automation, as well as the analysis of operational characteristics of power plants, which is impossible without special software and technologies. The proposed methods of conducting the laboratory work will prepare the trainees for solving the professional problems.

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23

Matrunchyk, Yu N. "Robotic training complex." «System analysis and applied information science», no. 1 (April 7, 2025): 69–73. https://doi.org/10.21122/2309-4923-2025-1-69-73.

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The article considers aspects of creating a robotic training complex for teaching, based on the "bottom-up" principle, methods of designing, programming and modeling industrial manipulators with five degrees of freedom based on modern microcontrollers. The main goal of the development is to increase the efficiency of the design process of robotic complexes, import substitution. It is proposed to solve the following problems: development of a robotic training complex (hereinafter – RTС), its simulation and mathematical model; identification and optimization of the model; development of an electrical circuit diagram of the RTС; creation of a simulation model of the manipulator; development of a training and methodological complex for training personnel in the basics of designing and programming industrial manipulators with equipment for production tasks of varying complexity. As an example for assessing the performance of the proposed complex, a model of the electrical part of the RTС, built in the Proteus8Professional programming environment, is considered. Illustrations of a prototype of the complex are presented.

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24

Allaev, K. R., and T. F. Makhmudov. "Analysis of small oscillations of complex electrical systems." E3S Web of Conferences 216 (2020): 01097. http://dx.doi.org/10.1051/e3sconf/202021601097.

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The article discusses the results of the analysis of the static stability of complex electrical systems. The efficiency of the combined application of the equations of nodal voltages (ENV) and the Lyapunov function in quadratic form for the analysis of small oscillations of the electrical system is shown in the literature, which is called the Allaev method. A joint solution of the equations of nodal voltages and the matrix Lyapunov equation is given, which makes it possible to determine the stability conditions for the electrical system and identify the generator first approaching the stability limit. A study of small oscillations of complex electrical systems, which can be performed in full on the basis of matrix methods, successfully developed in recent decades, is carried out, which is associated with a sharp increase in the speed of computation and the amount of memory of modern computers.

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25

Быкова, Валентина Прохоровна, and Valentina Prokhorovna Bykova. "Application of training and methodological complex Electrical Engineering." Vestnik of Astrakhan State Technical University. Series: Marine engineering and technologies 2019, no. 4 (2019): 130–40. http://dx.doi.org/10.24143/2073-1574-2019-4-130-140.

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The paper presents the laboratory practicum on electrical engineering and physics worked out on the basis of the teaching guide on electrical engineering including 5 test benches.  It includes 24 laboratory works with elements of independent research. The detailed and illustrated test benches of the training complex are the following: Electrical Engineering and Electronics, Electric Machines and Electric Drive, Electric Machine Assembly, Electric Energy, its Transmission and Quality, Principles of Electrical Safety. Some stands are connected to a software and hardware complex designed for measuring the studied values, reflection and processing of analog signals. The compactness and versatility of the training complex Electrical Engineering are noted; one can do 6–9 laboratory works on electrical engineering and physics at one stand. Mathematical calculations of the readings are recommended to perform in Mathcad computer algebra system.  A manual based on the laboratory works, which contains general safety rules, guidelines for per-forming tasks and requirements for their processing, is now under consideration. The advantages  of the elaborated laboratory workshop have been listed; the educational, developmental, pedagogical tasks for solving at the lesson have been analyzed; a laboratory work “Three-phase circuit connection in star scheme” is given as an example. The diagram of a star connection is presented;  a vector diagram of linear and phase voltages relations in a star connection is built. The oscillo-grams of currents under symmetrical load are illustrated. It has been noted that the individual tasks have an exploratory nature, they develop cognitive, independent and creative skills of students. The proposed methodological guidelines are recommended for specialists and bachelors in such areas as “Ship and Power Plants”, “Shipbuilding”, “Heat and Power Engineering and Heat Engineering”, etc., and can be used by teachers of general engineering disciplines

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26

Misra, S., C. Torres-Verdín, A. Revil, J. Rasmus, and D. Homan. "Interfacial polarization of disseminated conductive minerals in absence of redox-active species — Part 1: Mechanistic model and validation." GEOPHYSICS 81, no. 2 (2016): E139—E157. http://dx.doi.org/10.1190/geo2015-0346.1.

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Electrically conductive mineral inclusions are commonly present in organic-rich mudrock and source-rock formations such as veins, laminations, rods, grains, flakes, and beds. Laboratory and subsurface electromagnetic (EM) measurements performed on geomaterials containing electrically conductive inclusions generally exhibit frequency dispersion due to interfacial polarization phenomena at host-inclusion interfaces. In the absence of redox-active species, surfaces of electrically conductive mineral inclusions are impermeable to the transport of charge carriers, inhibit the exchange of charges and behave as perfectly polarized (PP) interfaces under the influence of an externally applied EM field. Interfacial polarization phenomena involving charge separation, migration, accumulation/depletion, and relaxation around PP interfaces is referred to as PP interfacial polarization; it influences the magnitude and direction of the electric field and charge carrier migration in the geomaterial. We have developed a mechanistic model to quantify the complex-valued electrical conductivity response of geomaterials containing electrically conductive mineral inclusions, such as pyrite and magnetite, uniformly distributed in a fluid-filled, porous matrix made of nonconductive grains possessing surface conductance, such as silica and clay grains. The model first uses a linear approximation of the Poisson-Nernst-Planck equations of dilute solution theory to determine the induced dipole moment of a single isolated conductive inclusion and that of a single isolated nonconductive grain surrounded by an electrolyte. A consistent effective-medium formulation was then implemented to determine the effective complex-valued electrical conductivity of the geomaterial. Model predictions were in good agreement with laboratory measurements of multifrequency complex-valued electrical conductivity, relaxation time, and chargeability of mixtures containing electrically conductive inclusions.

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27

Chernov, Alekcander E., Ruslan A. Maleev, Dmitry A. Eroshkin, and Elena N. Fedorenko. "Forecasting the magnitude of the electrical load in electrical complexes of aircraft." Izvestiya MGTU MAMI 16, no. 1 (2022): 99–106. http://dx.doi.org/10.17816/2074-0530-107124.

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BACKGROUND: The issue of forecasting, analysis and control of electrical load becomes more significant both within the framework of the electrical complex of the summer apparatus as a whole, and for certain groups of electric energy consumers. Forecasting the electrical load is necessary to solve the problem of optimizing the operational state of an electrical complex or system, under constantly changing conditions and changing environment, which entails a change in power. Recently, a relatively new method has often been used, which is based on fuzzy logic. This method is a symbiosis of fuzzy logic and neural networks, which includes the main properties characteristic of these areas. Thanks to the use of a well-established fuzzy neural technology implemented in a correctly designed and trained fuzzy neural network for predicting electrical loads, it became possible to ensure sufficiently high accuracy and speed of load prediction. AIMS: The purpose of the work is to analyze methods for predicting the electrical load of the aircrafts electrical and technical complex, as well as to determine the most optimal methodology for predicting the electrical load of an autonomous aircraft used in the armed forces. METHODS: Modeling of working conditions is performed in the Matlab program and its applications Simulink. At the same time, with the help of the fundamental blocks of this application, models of the physical components of the electrical complex of the aircraft are created. RESULTS: For a substantive assessment of the prediction of the magnitude of the electrical load of the electrical complex of the aircraft, an algorithm implemented on a computer has been developed. It provides for the implementation of retrospective calculations taking into account the amount of power generated, the duration of operation and the flow of electricity in the electrical complex as a whole. CONCLUSIONS: Due to the use of a well-established fuzzy neural technology for predicting electrical loads, implemented in a correctly designed and equipped fuzzy neural network, it became possible to provide the necessary accuracy and speed of predicting electrical loads.

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28

Shmelyov, Yurii, Serhii Boiko, Oleksiy Gorodny, Olena Chernikova, and Serhii Vladov. "ELECTRICAL ENGINEERING COMPLEX FOR STATUS OF AVIATION BATTERIES." TECHNICAL SCIENCES AND TECHNOLOG IES, no. 4(10) (2017): 123–32. http://dx.doi.org/10.25140/2411-5363-2017-4(10)-123-132.

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29

Roychoudhury, Indranil, Matthew Daigle, Gautam Biswas, Xenofon Koutsoukos, Ann Patterson-Hine, and Scott Poll. "Comprehensive Diagnosis of Complex Electrical Power Distribution Systems." IFAC Proceedings Volumes 42, no. 8 (2009): 722–27. http://dx.doi.org/10.3182/20090630-4-es-2003.00120.

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30

Littmann, Laszlo. "Wide QRS complex rhythm with pulseless electrical activity." Cleveland Clinic Journal of Medicine 81, no. 2 (2014): 81–82. http://dx.doi.org/10.3949/ccjm.81a.13079.

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31

Litvinenko, R. S., and P. P. Pavlov. "Methods of modeling of operation of complex electrical." Science and Modernity 6, no. 4 (2015): 84–91. http://dx.doi.org/10.17117/ns.2015.04.084.

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32

Chávez, Artemio, and Arturo Lara. "Evolution of the complex nature of electrical vehicles." International Journal of Automotive Technology and Management 16, no. 4 (2016): 389. http://dx.doi.org/10.1504/ijatm.2016.081620.

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33

Avanesyan, V. T., and M. Yu Puchkov. "Electrical performance of a Ni(II) complex polymer." Technical Physics 53, no. 6 (2008): 811–12. http://dx.doi.org/10.1134/s1063784208060261.

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34

Al-Shuja’a, Omar M., Abeer O. Obeid, Dheya A. H. Ali, and Ali G. El-Shekeil. "DC Electrical Conductivity of Polymercaptobenzothiazole Disulfide Copper Complex." Journal of Macromolecular Science, Part A 48, no. 4 (2011): 255–60. http://dx.doi.org/10.1080/10601325.2011.552341.

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35

Liu, Shuangyi, Wanlu Li, Jackie Li, and Stephen O’Brien. "Electrical Properties of New Hollandite Complex Oxide Nanocrystals." Journal of Nanoscience and Nanotechnology 15, no. 9 (2015): 7074–80. http://dx.doi.org/10.1166/jnn.2015.10545.

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36

Kumar, Nishant, Alo Dutta, S. Prasad, and T. P. Sinha. "Electrical properties of complex perovskite samarium nickel titanate." Electronic Materials Letters 9, no. 5 (2013): 635–39. http://dx.doi.org/10.1007/s13391-013-2187-2.

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37

Chohan, M. H. "Electrical characterization of poly(2-vinylpyridine)-cobalt complex." Journal of Materials Science Letters 13, no. 1 (1994): 6–7. http://dx.doi.org/10.1007/bf02352903.

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38

Cametti, C., F. Sciortino, P. Tartaglia, J. Rouch, and S. H. Chen. "Complex Electrical Conductivity of Water-in-Oil Microemulsions." Physical Review Letters 75, no. 3 (1995): 569–72. http://dx.doi.org/10.1103/physrevlett.75.569.

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39

Jossinet, J., and C. Trillaud. "Imaging the complex impedance in electrical impedance tomography." Clinical Physics and Physiological Measurement 13, A (1992): 47–50. http://dx.doi.org/10.1088/0143-0815/13/a/010.

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40

Sallemi, F., M. Megdiche, B. Louati, and K. Guidara. "Electrical properties and complex impedance analysis of K2ZnV2O7." Indian Journal of Physics 88, no. 12 (2014): 1251–56. http://dx.doi.org/10.1007/s12648-014-0577-4.

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41

Ide, Takanori, Hiroshi Isozaki, Susumu Nakata, Samuli Siltanen, and Gunther Uhlmann. "Probing for electrical inclusions with complex spherical waves." Communications on Pure and Applied Mathematics 60, no. 10 (2007): 1415–42. http://dx.doi.org/10.1002/cpa.20194.

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42

Tarana Veliyeva, Tarana Veliyeva. "STUDY OF STATIC STABILITY OF COMPLEX ELECTRICAL SYSTEMS." PAHTEI-Procedings of Azerbaijan High Technical Educational Institutions 31, no. 08 (2023): 218–25. http://dx.doi.org/10.36962/pahtei31082023-218.

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An analysis of the currently used algorithms and programs for assessing the static stability reserve of electric power systems (EPS) is carried out, which make it possible to build the boundaries of stability and calculate the sensitivity coefficient of all generators of the power system, which speeds up the process of selecting the settings of automatic excitation regulators (AER) and increases the visibility of the calculation results. On the example of the well-known in the theory of automatic regulation "Butterworth's rule", a qualitative analysis of the transient process in the control system in the presence of optimal stochastic AER is given and it is proved that the method of synthesis of optimal stochastic systems allows, under conditions of real limitations, to more accurately and qualitatively build regulators that provide the necessary stabilization accuracy. Keywords: static stability, electric power system, transient process, vibrational stability, constant voltage, aperiodic stability, automatic excitation regulator.

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Avetisyan, Tatiana V., Jakov E. Lvovich, and Andrey P. Preobrazhenskiy. "SYSTEM ANALYSIS OF MAINTENANCE OF THE ELECTRICAL COMPLEX." International Journal of Advanced Studies 13, no. 2 (2023): 20–32. http://dx.doi.org/10.12731/2227-930x-2023-13-2-20-32.

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Modern electronic devices are characterized by complex circuit design solutions, which requires performing their design using high-performance circuit design computer-aided design systems. The development of such computer-aided design systems is associated with significant expenditure of time and labor resources and should be based on new approaches to the construction of mathematical and software, taking into account the specific features of the subject area and the nature of the tasks to be solved. In this paper, the problems associated with the modeling of maintenance of electrical complex are considered. A methodology for predicting components based on a single attribute within an experiment is demonstrated. The criterion in terms of risk assessment for the consumer is considered. The results of modeling the main parameters characterizing the quality of electrolytic capacitors are presented. After the tests are completed, the value of the predicted parameter is determined for each realization. The optimum value of leakage current, providing the minimum probability of error, for tantalum electrolytic capacitors with nominal capacity is shown. The results of the research can be useful for specialists working on electrical engineering complexes.

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Iwai, Manabu, Shinichi Ninomiya, Tokiteru Ueda, and Kiyoshi Suzuki. "Electrical Discharge Truing of a Vitrified Bonded Superabrasive Wheel with Electrical Conductivity." Advanced Materials Research 591-593 (November 2012): 319–24. http://dx.doi.org/10.4028/www.scientific.net/amr.591-593.319.

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With its high grit retention and easiness to true and dress, the vitrified bond is widely used as a bond material for cBN and diamond grinding wheels. By giving electrical conductivity to the vitrified bond, application of electrical discharge trueing/dressing and detection of a workpiece position by electrical contact sensing will become possible. And moreover, application of the vitrified bonded wheels to various types of electro-assisted grinding processes (electrochemical or electro discharge assisted methods) is expected. In this study, vitrified bonded diamond segments with electrical conductivity were manufactured experimentally by mixing the fine copper powders in the vitrified bond matrix. As a result of investigation into the electro discharge trueing performance in the die sinking and wire electro discharge machining, it was found that a vitrified bonded wheel could be formed by electro discharge machining only because the bond was electrically conductive. In addition, the electro discharge complex grinding utilizing electric discharge machining was applied to the PCD cutting tool materials using the electrically conductive vitrified bonded wheel, and confirmed that the grinding could be continued for a long time maintaining a stable grinding force.

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DAS, PIYUSH R., B. N. PARIDA, R. PADHEE, and R. N. P. CHOUDHARY. "SYNTHESIS AND CHARACTERIZATION OF COMPLEX FERROELECTRIC OXIDE." Journal of Advanced Dielectrics 02, no. 04 (2012): 1250024. http://dx.doi.org/10.1142/s2010135x12500245.

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The polycrystalline sample of Li2Pb2Pr2W2Ti4V4O30 was prepared by a solid-state reaction technique. The preparation conditions of the compound have been optimized using thermal analysis (DTA and TGA) technique. Room temperature structural analysis confirms the formation of single phase compound in orthorhombic crystal system. The surface morphology of the sample, recorded by scanning electron microscope, shows uniform grain distribution on the surface of the sample. The observation of hysteresis loop confirmed that the material has ferroelectric properties at room temperature. Electrical properties of the material were studied by complex impedance spectroscopic technique. Temperature dependence of electrical parameters (impedance, modulus, etc.) is strongly correlated to the micro-structural characteristics (bulk, grain boundary, etc.) of the sample. A typical temperature-dependent resistive characteristic of the sample (i.e., negative temperature coefficient of resistance (NTCR)) exhibits its semiconducting properties. The temperature dependence of dc conductivity shows a typical Arrhenius behavior. A signature of ionic conductivity in the system was observed in ac conductivity spectrum. The sample obeys Jonscher's universal power law. The hopping mechanism for electrical transport properties of the system with nonexponential-type conductivity relaxation was suggested from the electrical modulus analysis.

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Marin, Cornel, and Ion Florin Popa. "Direct / Reverse Analogy between Mechanical System and RLC Series / Paralel Alternative Current Circuits - AC." Scientific Bulletin of Valahia University - Materials and Mechanics 17, no. 16 (2019): 56–67. http://dx.doi.org/10.2478/bsmm-2019-0009.

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Abstract There is a direct analogy between the mechanical and electrical phenomena related to vibrations and electromagnetic oscillations in the RLC series AC circuits and an inverse analogy to the electromagnetic oscillations in the RLC parallel alternative current (AC) circuits. Direct analogy RLC series AC circuit refers to the connection between complex velocity and complex electrical intensity, mechanical impedance and electrical impedance, etc. Reverse analogy RLC parallel AC circuits refers to the connection between complex velocity and complex electrical voltage, mechanical impedance and electrical admission, etc.

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Kucheriava, I. M. "COUPLED ELECTRICAL AND MECHANICAL PROCESSES IN POLYETHYLENE INSULATION WITH WATER TREE HAVING BRANCHES OF COMPLEX STRUCTURE." Tekhnichna Elektrodynamika 2016, no. 5 (2016): 5–10. http://dx.doi.org/10.15407/techned2016.05.005.

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ÖZAYDIN, Cihat, TOMBAK, Mehmet BOĞA, and Tahsin KILIÇOĞLU. "OPTICAL, ELECTRICAL AND PHOTOELECTRICAL PROPERTIES OF QUERCETIN-CO(II) COMPLEX/N-SI ORGANIC-INORGANIC HYBRID DEVICE." Middle East Journal of Science 1, no. 2 (2015): 15–27. http://dx.doi.org/10.23884/mejs.2015.1.2.01.

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Zhang, Yagang, Zengping Wang, and Jinfang Zhang. "Fault Identification Based on Nlpca in Complex Electrical Engineering." Journal of Electrical Engineering 63, no. 4 (2012): 255–60. http://dx.doi.org/10.2478/v10187-012-0036-4.

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Fault Identification Based on Nlpca in Complex Electrical Engineering The fault is inevitable in any complex systems engineering. Electric power system is essentially a typically nonlinear system. It is also one of the most complex artificial systems in this world. In our researches, based on the real-time measurements of phasor measurement unit, under the influence of white Gaussian noise (suppose the standard deviation is 0.01, and the mean error is 0), we used mainly nonlinear principal component analysis theory (NLPCA) to resolve fault identification problem in complex electrical engineering. The simulation results show that the fault in complex electrical engineering is usually corresponding to the variable with the maximum absolute value coefficient in the first principal component. These researches will have significant theoretical value and engineering practical significance.

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Liu, ning. "Study on dispersion characteristics of loaded coal complex electricity and permeability evaluation." Journal of Scientific and Engineering Research 10, no. 6 (2023): 212–18. https://doi.org/10.5281/zenodo.10463236.

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<strong>Abstract </strong>In order to accurately predict and evaluate the permeability of coal bodies, we measured the parameters of complex electricity and permeability of coal samples in different directions under different water-bearing conditions at room temperature and pressure, and analyzed the experimental phenomena by using the physical and chemical structural characteristics of coal bodies and their conductive and dielectric mechanisms, and initially established a method for evaluating the permeability of coal bodies with complex electricity. The results show that (1) The dispersion characteristics of coal body re-electricity change regularly with the change of pressure on the coal body. As the pressure increases, the absolute values of the real part <em>R </em>and the imaginary part <em>X of the complex resistance of coal </em>samples gradually decrease, especially in the frequency band near the slowly decreasing <em>R </em>and the very small value of <em>X. The dispersion </em>curve is shifted to the right, where <em>X is </em>shifted to a large extent and the capacitance <em>C </em>gradually decreases. (2) There are anisotropic characteristics in the dispersion of the complex electrical properties of the coal body. The absolute values of the real part <em>R </em>and the imaginary part <em>X of the complex resistance of the </em>water-saturated coal sample and the naturally dried coal sample decrease in the order of <em>z-direction</em>, y-direction and x-direction. (3) There is a good correlation between the coal complex electrical properties and the permeability under the corresponding conditions. The value of permeability <em>k of coal </em>samples in all three directions decreases with the decrease of relaxation time<em> τ of the </em>inversion parameter of the complex electrical properties model, and the directional change of <em>k of coal body under the </em>same pressure condition is opposite to the value of<em> τ</em>. The preliminary method for evaluating the permeability of the coal body by complex electrical properties is established, which provides a theoretical basis for the subsequent accurate prediction and evaluation of the coal body permeability by using the complex electrical properties exploration method.

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