Academic literature on the topic 'Linear voltage stabilizer'

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Journal articles on the topic "Linear voltage stabilizer"

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Titovskii, S. N., T. S. Titovskaia, N. V. Titovskaia, and Z. E. Shaporova. "Digital contour of linear control in the pulse voltage stabilizer." IOP Conference Series: Materials Science and Engineering 537 (June 18, 2019): 062033. http://dx.doi.org/10.1088/1757-899x/537/6/062033.

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Harb, A. M., and M. S. Widyan. "Controlling Chaos and Bifurcation of Subsynchronous Resonance in Power System." Nonlinear Analysis: Modelling and Control 7, no. 2 (December 5, 2002): 15–36. http://dx.doi.org/10.15388/na.2002.7.2.15191.

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Linear and nonlinear state feedback controllers are proposed to control the bifurcation of a new phenomenon in power system, this phenomenon of electro-mechanical interaction between the series resonant circuits and torsional mechanical frequencies of the turbine generator sections, which known as Subsynchronous Resonance (SSR). The first system of the IEEE second benchmark model is considered. The dynamics of the two axes damper windings, Automatic Voltage Regulator (AVR) and Power System Stabilizer (PSS) are included. The linear controller gives better initial disturbance response than that of the nonlinear, but in a small narrow region of compensation factors. The nonlinear controller not only can be easily implemented, but also it stabilizes the operating point for all values of the bifurcation parameter.
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Titovskii, S. N., N. V. Titovskaia, and T. S. Titovskaya. "Influence of the digital data representation error in the linear control contour of a pulse voltage stabilizer." Journal of Physics: Conference Series 1399 (December 2019): 022051. http://dx.doi.org/10.1088/1742-6596/1399/2/022051.

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Usmanov, E. G., A. N. Rasulov, M. K. Bobojanov, and R. Ch Karimov. "Non-contact voltage relay for switching windings of a boost transformer." E3S Web of Conferences 139 (2019): 01079. http://dx.doi.org/10.1051/e3sconf/201913901079.

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In power supply systems the change in the magnitude of the voltage degrades the operation of electrical appliances right up to their failure. The proposed scheme of a contactless voltage relay based on a contactless voltage relay with switching the windings of a booster step-up transformer with a time delay allows switching the windings of a magnetizing booster transformer with a voltage change at the consumer terminals. Analytical studies of a non-autonomous non-linear dynamic circuit, which is the basis of the proposed device based on the classical method of solving a differential equation, which determines the nature of the voltage change for controlling thruster switches. The change of energy parameters of the proposed stabilizer depending on the voltage is given. The article considers the principle of operation of the proposed scheme of a contactless switching device based on a contactless voltage relay that switches the windings of a booster step-up transformer. An analytical study of a non-autonomous nonlinear dynamic circuit, which is the basis of the proposed device and the characteristics uc = f t required for switching the thruster is presented.
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Qian, Jing, Yun Zeng, Li Xiang Zhang, and Tian Mao Xu. "Analysis on Equivalence between Transfer Function and Equivalent Circuit Simulation in General Hamiltonian Modeling." Applied Mechanics and Materials 204-208 (October 2012): 4896–99. http://dx.doi.org/10.4028/www.scientific.net/amm.204-208.4896.

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Take generator system included AVR (automatic voltage regulator) and PSS (power system stabilizer) as an example, Using the time simulation method, Study the equivalence between the transfer function model and the equivalent circuit simulation, and establish the corresponding relations between the circuit structures, internal parameters and transfer function parameters, based on the energy of equivalent circuit, the Hamiltonian function of transfer function is derived indirectly, and the Hamiltonian model is established. The study in this paper provides a new way to establish generalized Hamiltonian model for linear system based on transfer function.
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Mahoney, Patrick P., John P. Guzowski, Steven J. Ray, and Gary M. Hieftje. "Electrospray Ionization Time-Of-Flight Mass Spectrometer for Elemental Analysis." Applied Spectroscopy 51, no. 10 (October 1997): 1464–70. http://dx.doi.org/10.1366/0003702971939235.

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Electrospray ionization (ESI) has been combined with a time-of-flight (TOF) mass spectrometer for elemental analysis. With the use of a heated-capillary interface, the instrument is shown to be stable to within 5% relative standard deviation (RSD) over a 60-min period. The ratio between the isotopes of rubidium is measured with a precision of 0.4% RSD for a 1-min integration time. With the addition of a supporting electrolyte as a spray stabilizer and internal standard, the dynamic range is linear over at least three orders of magnitude. The extent of solvent-cluster fragmentation is found to be governed primarily by the voltage differential between the capillary and skimmer and, to a lesser extent, by the capillary temperature. The capillary voltage also affects the distribution of species among the parent and its fragment ions for ferrocene and tetraethyllead. Under “mild” interface conditions, a resolving power of 1400 is achieved for an organolead complex. A spectrum for a larger molecule, polypropylene glycol, is presented to show the versatility of the ESI-TOF instrument for both atomic and molecular analysis.
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Anarkooli, M. Yousefi, and H. Afrakhteh. "Improvement Model Damping Low Frequency Oscillations Presence UPFC by Cuckoo Optimization Algorithm." Indonesian Journal of Electrical Engineering and Computer Science 3, no. 1 (July 1, 2016): 67. http://dx.doi.org/10.11591/ijeecs.v3.i1.pp67-79.

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<p>Low frequency oscillation (LFO) is a negative phenomenon repeated for the power system increases the risk of instability. In recent years, power systems stabilizer (PSS) for damping low frequency oscillations is used. With FACTS devices such as integrated power flow controller (UPFC) can control power flow and transient stability increase. So, UPFC low frequency oscillation damping can be used instead of PSS. UPFC through direct control voltage and low frequency oscillation damping can be improved. In this study, a single linear model of synchronous machine connected to an infinite bus Heffron-Philips in the presence of UPFC to improve low frequency oscillation damping is used. The selection of the output feedback parameters for the UPFC controllers is converted to an optimization problem which is solved by cuckoo optimization algorithm (COA). COA, as a new evolutionary optimization algorithm, is used in multiple applications. This optimization algorithm has a strong ability to find the most optimistic results for dynamic stability improvement. The controller UPFC and damping in MATLAB software environment is designed and simulated. The simulation was performed for a variety of loads and for various loads and more effective UPFC controller electromechanical oscillation damping compared to other algorithm types is shown.</p>
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Зольников, Владимир, Vladimir Zolnikov, А. Яньков, A. Yankov, К. Чубур, K. Chubur, А. Кулай, et al. "INVESTIGATION OF LINEAR VOLTAGE STABILIZERS FOR RESISTANCE TO SPECIAL FACTORS." Modeling of systems and processes 12, no. 3 (December 1, 2019): 48–53. http://dx.doi.org/10.12737/2219-0767-2019-12-3-48-53.

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The paper deals with the issues of resistance of linear voltage stabilizers to the influence of special factors. The conducted researches are described, electric schemes at measurement of output voltage and current of chips are resulted. The calculated estimates of the resistance of linear voltage stabilizers to the influence of various special factors are also considered
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Chen, Yi, Bu Han Zhang, Cheng Xiong Mao, and Xiao Kang Dai. "VRB/EDLC Hybrid Storage System with PID Controller Based on BP Neural Network." Advanced Materials Research 724-725 (August 2013): 855–61. http://dx.doi.org/10.4028/www.scientific.net/amr.724-725.855.

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In order to stabilize fluctuations caused by intermittent energy and complement different storage elements advantages, we designed a hybrid energy storage combining VRB pack with EDLC bank. This hybrid energy storage device has two DC/DC convertors; DC/DC(A) controls VRB pack's power and DC/DC(B) stabilizes the voltage on DC bus. By doing this, it is easy to make power schedule for VRB according to renewable energy forecast and SOC of battery, while EDCL bank stabilizes the short-time power fluctuation, most of which result from forecasting error. To achieve the above goals, self-adaptive PID controller based on BP neuron network is applied in DCDC(B), for switching-mode convertor is strongly non-linear system and traditional PID controller is not suitable to the case of large changed load. Simulations in Matlab Simulink are presented to testify the novel control method and show this hybrid energy storage device can work efficiently.
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Bityukov, V. K., A. A. Ivanov, N. G. Mikhnevich, and V. A. Petrov. "Measurement of the Fluctuation Rejection Ratio by Linear Voltage Stabilizers." Measurement Techniques 59, no. 11 (February 2017): 1210–16. http://dx.doi.org/10.1007/s11018-017-1117-3.

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Dissertations / Theses on the topic "Linear voltage stabilizer"

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Hynek, David. "Přenosný číslicově řízený stabilizovaný zdroj symetrického napětí." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2020. http://www.nusl.cz/ntk/nusl-413121.

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This thesis deals with a design of a power supply for a measuring equipment for a geophysical mapping intended to do a reconstruction of an electrical impedance of a ground environment of water reservoirs. The power source is going to be used for laboratory measurements and for outdoor experiments. The thesis describes the selection of suitable components, equipment design and testing. The theoretical part explains the functions of used components and the principle of an electrical impedance tomography. The conclusion summarizes the properties of the proposed solution and evaluates the final product.
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Conference papers on the topic "Linear voltage stabilizer"

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Malahanov, Aleksey. "BEHAVIORAL MODEL OF A LINEAR VOLTAGE STABILIZER IN THE SPICE LANGUAGE." In CAD/EDA/SIMULATION IN MODERN ELECTRONICS 2019. Bryansk State Technical University, 2019. http://dx.doi.org/10.30987/conferencearticle_5e028212469e90.44125818.

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A variant of the implementation of the behavioral model of a linear voltage stabilizer in the Spice language is presented. The results of modeling in static mode are presented. The simulation results are compared with experimental data and technical description of the chip manufacturer.
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Kim, Bunthern, Etienne Boulaud, Emile Boisaubert, Sokchea Am, and Phok Chrin. "Study of the Control of a New AC Voltage Stabilizer using Linear Controller with Reference Frame Transformation." In 2020 22nd European Conference on Power Electronics and Applications (EPE'20 ECCE Europe). IEEE, 2020. http://dx.doi.org/10.23919/epe20ecceeurope43536.2020.9215637.

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Gong Renxi, Wang Kuang, Meng Xiaobi, Xie Lingling, Huang Yang, and Gong Wenying. "Design and implementation of a kind of linear stabilized power supplies with high efficiency and wide-range adjustable output voltage." In 2009 IEEE 6th International Power Electronics and Motion Control Conference. IEEE, 2009. http://dx.doi.org/10.1109/ipemc.2009.5157656.

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Das, Shankhadeep, Marisol Koslowski, Sanjay R. Mathur, and Jayathi Y. Murthy. "Finite Volume Method for Simulation of Creep in RF MEMS Devices." In ASME 2011 International Mechanical Engineering Congress and Exposition. ASMEDC, 2011. http://dx.doi.org/10.1115/imece2011-62660.

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Radio-frequency microelectromechanical systems (RF MEMS) are widely used in contact actuators and capacitative switches. In these devices, the membrane deforms under electrostatic actuation. With time, these devices undergo creep deformation that reduces the gap between the metallic membrane and the electrodes, and can result in self pull-in at lower applied voltages than for normal pull-in. It is important to accurately model creep in RF MEMS devices to understand their long-term behavior and to improve their reliability. In this paper, we extend a cell-centered finite volume approach previously developed to describe linear elastic solids to model visco-plastic and creep phenomena. The finite volume discretization produces a set of algebraic equations, which is solved using a biconjugate gradient stabilized (BCGSTAB) solver. Test cases are first presented verifying the accuracy of the method. Results are then presented in this paper for the long-term creep behavior of a fixed-fixed MEMS device.
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Chorpening, B. T., M. G. Dukes, P. Pich, and J. D. Thornton. "Combustion Control and Diagnostics Sensor Testing in a Thermal Barrier Coated Combustor." In ASME Turbo Expo 2007: Power for Land, Sea, and Air. ASMEDC, 2007. http://dx.doi.org/10.1115/gt2007-27556.

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The combustion control and diagnostics sensor (CCADS) continues to be developed as an in-situ combustion sensor, with immediate application to natural gas fired turbines. In-situ combustion monitoring is also expected to benefit advanced power plants of the future, fueled by coal-derived syngas, liquified natural gas (LNG), hydrogen, or hydrogen blend fuels. The in-situ monitoring that CCADS provides can enable the optimal operation of advanced, fuel-flexible turbines for minimal pollutant emissions and maximum efficiency over the full operating range of an advanced turbine. Previous work has demonstrated CCADS as a useful sensor for in-situ monitoring of natural gas combustion, including detection of important combustion events such as flashback and lean blowoff, in experimental combustors without thermal barrier coatings (TBC). Since typical TBC materials are electrical insulators at room temperature, and CCADS operation requires conduction of electrical current to the walls of the combustor, a TBC on the combustion liner was identified as a potential barrier to CCADS operation in commercial application. This paper reports on CCADS experiments in a turbulent lean premixed combustor with a yttria-stabilized zirconia (YSZ) thermal barrier coating on the combustor wall. The tests were conducted at 0.1 MPa (1 atm), with a 15V excitation voltage on the CCADS electrodes. The results confirm that for a typical thermal barrier coating, CCADS operates properly, and the total measured average resistance is close to that of an uncoated combustor. This result is consistent with previous materials studies that found the electrical resistance of typical TBC materials considerably decreases at combustor operating temperatures.
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