Relevant bibliographies by topics / Transformer switch-off

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Transformer switch-off'

Author: Grafiati
Published: 30 June 2021
Last updated: 29 July 2025

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Journal articles on the topic "Transformer switch-off"

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Rajko Gardijan and Alen Keller. "TRANSFORMER BUSHING – A PART OF MEASUREMENT SYSTEM." Journal of Energy - Energija 61, no. 1-4 (2022): 149–59. http://dx.doi.org/10.37798/2012611-4247.

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Power transformer is one of the most important and most expensive components in the electric power system (EPS) and requires, from its production and throughout lifetime, continuous monitoring and checks of the availability in the power system. All the measurements and tests on the transformer which manufacturers attempt, in order to determine the quality of their products, are carried out through the connection of different types of bushings, and these measurements and tests are conducted in accordance with requirements of applicable standards. Also, the owner of the transformer during the ex
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Florkowski, Marek, Jakub Furgał, Maciej Kuniewski, and Piotr Pająk. "Overvoltage Impact on Internal Insulation Systems of Transformers in Electrical Networks with Vacuum Circuit Breakers." Energies 13, no. 23 (2020): 6380. http://dx.doi.org/10.3390/en13236380.

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Vacuum circuit breakers are increasingly used as switching apparatus in electric power systems. The vacuum circuit breakers (VCBs) have very good operating properties. VCBs are characterized by specific physical phenomena that affect overvoltage exposure of the insulation systems of other devices. The most important phenomena are the ability to chop the current before the natural zero crossing, the ability to switch off high-frequency currents, and the rapid increase in dielectric strength recovery. One of the devices connected directly to vacuum circuit breakers is the distribution transforme
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Adabi, Ehsan, and Ali M. Niknejad. "Analysis and Design of Transformer-Based mm-Wave Transmit/Receive Switches." International Journal of Microwave Science and Technology 2012 (July 26, 2012): 1–11. http://dx.doi.org/10.1155/2012/302302.

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Transformer-based shunt single pole, double-throw (SPDT) switches are analyzed, and design equations are provided. A mm-wave transformer-based SPDT shunt switch prototype was designed and fabricated in 90 nm digital CMOS process. It has a minimum insertion loss of 3.4 dB at 50 GHz from the single pole to the ON-thru port and a leakage of 19 dB from the single pole to the OFF-thru port. The isolation is 13.7 dB between the two thru ports. Large signal measurements verify that the switch is capable of handling +14 dBm of input power at its 1 dB compression point. The fabricated SPDT switch has a
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Tang, Yu, and Gang Wu. "Design of the Push-Pull Switch Power Supply Based on UC3525A." Applied Mechanics and Materials 341-342 (July 2013): 1261–65. http://dx.doi.org/10.4028/www.scientific.net/amm.341-342.1261.

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Switch power supply is a power supply of maintaining the stable output voltage by the use of modern electronic technology, controlling the time ratio (duty cycle) of on and off of switching transistors . Push-pull switch power supply is a form of switching power supply family, which is divided into an independent-excited push-pull switch power supply and self-excited push-pull switch power supply. This paper will put forward an design scheme of the independent-excited push-pull switch power supply based on the design requirements, and the driving integrated circuit selection according to the d
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Yueh-Ru, Yang. "Analysis and Design of Filament Power Supply with Voltage-Fed Single-Switch ZVS Inverter." E3S Web of Conferences 64 (2018): 07007. http://dx.doi.org/10.1051/e3sconf/20186407007.

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In this paper, an off-line voltage-fed single-switch zero-voltage-switching (ZVS) inverter is analyzed and designed for the filament power supply of cooker magnetrons. Due to the low resistance of cathode filament, an isolation transformer with large turn ratio is used. To obtain the ZVS operation, a parallel-resonant capacitor is connected to the primary of transformer. The capacitor, transformer and filament constitute a parallel resonant tank. Both the transformer leakage inductance and the transistor output capacitance are merged into the resonant tank. The resonant energy provides the ZVS
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Cai, Linglong, Bin Tai, Jiangnan Liu, et al. "Development of All Solid State Nanosecond Pulse Transformer Fault Detection Device Based on Marx Circuit." Journal of Physics: Conference Series 2774, no. 1 (2024): 012073. http://dx.doi.org/10.1088/1742-6596/2774/1/012073.

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Abstract a nanosecond pulse generator with a fast leading edge for transformer fault diagnosis is developed. The device is composed of a full solid-state nanosecond pulse generator based on Marx circuit and with a tail cut switch and a field programmable logic gate array (FPGA) device. Among them, the nanosecond pulse source is mainly composed of DC power supply, control circuit and main circuit. The main circuit is a 9-level modular Marx circuit, using MOSFET as the main switch and tail cut switch; The control circuit generates a synchronous trigger pulse signal, which drives the MOSFET to wo
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Kao, Hsuan-Ling. "On-Chip Voltage-Controlled Oscillator Based on a Center-Tapped Switched Inductor Using GaN-on-SiC HEMT Technology." Electronics 10, no. 23 (2021): 2928. http://dx.doi.org/10.3390/electronics10232928.

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This study presents a voltage-controlled oscillator (VCO) in a cross-coupled pair configuration using a multi-tapped switched inductor with two switch-loaded transformers in 0.5 µm GaN technology. Two switch-loaded transformers are placed at the inner and outer portions of the multi-tapped inductor. All the switches are turned off to obtain the lowest sub-band. The outer transformer with three pairs of switches is turned on alternately to provide three sub-band modes. A pair of switches at the inner transformer provide a high-frequency band. Two switch-loaded transformers are turned on to prov
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BEZVESILNA, OLENA, SERGEY NECHAI, TETIANA TOLOCHKO, and MARIIA GRYNEVYCH. "TWO-CHANNEL BALLISTIC TRANSFORMER GRAVIMETER." Herald of Khmelnytskyi National University. Technical sciences 331, no. 1 (2024): 239–43. http://dx.doi.org/10.31891/2307-5732-2024-331-35.

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The two-channel ballistic transformer gravimeter for measuring the doubled value of the acceleration of gravity contains a gravimeter that uses a fixed glass tube made of a dielectric material, a magnetized test body in the form of a layer, a computer and an inductance winding, which is characterized by the fact that the fixed tube is made of a dielectric material, the inductance winding acts as a primary excitation winding connected to the power source, which additionally contains two identical sections of the secondary output winding, connected in series-opposite, to create two measurement c
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Fomin, Igor Nikolaevich, Roman Pavlovich Belikov, Tatyana Anatolyevna Kudinova, and Nailya Kamilevna Miftakhova. "Development of a Method and Algorithm for Inhibiting an Automatic Transfer Switch of the Circuit Breaker for a Sustained Short-Circuit." E3S Web of Conferences 220 (2020): 01011. http://dx.doi.org/10.1051/e3sconf/202022001011.

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Circuit breakers with automatic transfer switches (ATS) are designed in such a way that when the voltage disappears during a short-circuit (SC) in the ring network line, the ATS device is triggered. At the same time, its switch is turned on at short-circuit, then it is turned off with acceleration. Even a shortterm switching on of the automatic transfer switch for a sustained short-circuit leads to emergency situations [1,2]. The electrical equipment of the ring network spare line is exposed to high emergency short-circuit currents, and the consumers powered by the spare transformer are turned
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Meena, Ankush, Arpit Gangwal, Himanshu Vijay, Chetan Prajapat, and Jitendra Singh. "Touch Controlled Switch Board with Multiple Load Switches." International Journal for Research in Applied Science and Engineering Technology 10, no. 5 (2022): 1343–46. http://dx.doi.org/10.22214/ijraset.2022.42466.

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Abstract: As everything gets advanced day by day, Nowadays people are giving importance to their safety and security for this we are introducing this project where, A switch is implemented that is turned on and off by touching a TTP223 module, instead of a regular switch. which prevent us from getting shocked. This circuit is useful in places such us electrical doorbells , toys , wet areas and industries. Keywords: TTP223 (Capacitive touch module) , 5V Relay , Transformer , Power supply
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Dissertations / Theses on the topic "Transformer switch-off"

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Luedtke, Elin. "Minimizing Transformer No-Load Losses at Hydropower Plants : A Study of Effects from Transformer Switch-Off During Stand-by Operation." Thesis, Uppsala universitet, Institutionen för fysik och astronomi, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-447635.

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Hydropower is the most important power balancing resource in the Swedish electrical power system, regulating the power supply to match the load. Consequently, several hydropower plants have periods of stand-by operation where the power production is absent but where several devices within a plant are still active. Such a device is the step-up power transformer, which during stand-by operation still generates no-load energy losses. These losses can accumulate to a considerable amount of energy and costs during the long technical lifetime of the apparatus. One option to minimize these no-load en
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Book chapters on the topic "Transformer switch-off"

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Koch, Christof. "Unconventional Computing." In Biophysics of Computation. Oxford University Press, 1998. http://dx.doi.org/10.1093/oso/9780195104912.003.0026.

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As discussed in the introduction to this book, any (bio)physical mechanism that transforms some physical variable, such as the electrical potential across the membrane, in such a way that it can be mapped onto a meaningful formal mathematical operation, such as delayand- correlate or convolution, can be treated as a computation. Traditionally only Vm, spike trains, and the firing rate f(t) have been thought to play this role in the computations performed by the nervous system. Due to the recent and widespread usage of high-resolution calcium-dependent fluorescent dyes, the concentration of fre
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Conference papers on the topic "Transformer switch-off"

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Duseja, Tejas, Annervaz K. M., Jeevithiesh Duggani, Shyam Zacharia, Michael Free, and Ambedkar Dukkipati. "Learning to Switch off, Switch on, and Integrate Modalities in Large Pre-trained Transformers." In 2024 IEEE 7th International Conference on Multimedia Information Processing and Retrieval (MIPR). IEEE, 2024. http://dx.doi.org/10.1109/mipr62202.2024.00070.

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Simmons, Jeremy W., and James D. Van de Ven. "Switch-Mode Power Transformer in a Wave-Powered, Reverse Osmosis Desalination Plant." In ASME/BATH 2019 Symposium on Fluid Power and Motion Control. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/fpmc2019-1647.

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Abstract In the reverse osmosis (RO) desalination process, a salt water solution is pressurized to overcome the osmotic pressure across a semi-permeable membrane. A few groups have proposed that a wave energy converter (WEC) having a seawater based, hydraulic power take-off can could be used to pressurize the feedwater for an RO system. However, coupling the wave energy harvesting process and the RO desalination process imposes unique design constraints on the fluid power system, such as pressure limits of conventional RO system components. In this study, a fluid power circuit with a switch-mo
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Mijatović, Vidoje, Dario Đanić, and Predrag Bajčetić. "IMPLEMENTATION OF IMPROVED GROUNDING SWITCH SYSTEM IN METAL-CLADED FACILITIES." In 14. Savetovanje o elektrodistributivnim mrežama Srbije, sa regionalnim učešćem,. CIRED Liaison Committee of Serbia, 2024. http://dx.doi.org/10.46793/cired24.r-3.10vm.

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In the area of the Sombor Branch, in 3 TS 110/20kV, an improved earthing switch system was installed. The improvement is reflected in the fact that we have added a fourth pole to the row with three poles of the earthing switch, between the poles and the ground. In this way, outages of the 20kV transformer field, which occur due to a fault on one of the poles of the earthing switch, are prevented. Namely, when a pole of the earth-fault switch fails, the earth fault current passes through the fourth pole, which is permanently switched on, for longer than the specified time. This current is detec
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Agarwal, Shivangi, Ankesh Kumar Mishra, Ajay Kumar Maurya, Pawan Sen, and Ashutosh Yadav. "Fault Detection in Transmission Line using Arduino Uno." In International Conference on Frontiers in Desalination, Energy, Environment and Material Sciences for Sustainable Development & Annual Congress of InDA. AIJR Publisher, 2023. http://dx.doi.org/10.21467/proceedings.161.22.

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Transmission line fault detection is a crucial aspect of maintaining a stable power supply. This paper presents a paper that uses Arduino Uno to detect faults in transmission lines. The system is designed to detect faults such as Line to Ground, Line to Line, Line to Line to Ground, and three phase fault. The fault detection system can quickly identify the type of fault and its distance (in km) & notify the maintenance team through an alarm (buzzer). The paper's implementation involved using the Arduino Uno microcontroller board, relay module, buzzer, transformer, voltage regulator, diode,
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Tan, Tingyue, Zhiguo Hao, Duo Wang, Zhiyuan Liu, and Xiaojun Yu. "Residual flux estimation method for three-phase transformers without zero-sequence circuit on the switch-off side." In 2016 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC). IEEE, 2016. http://dx.doi.org/10.1109/appeec.2016.7779821.

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Finlayson, N., B. K. Nayar, and N. J. Doran. "Digital optical loop mirror switch." In OSA Annual Meeting. Optica Publishing Group, 1991. http://dx.doi.org/10.1364/oam.1991.wu1.

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Concatenation of nonlinear all-optical switches offers considerable potential for the synthesis of digital switching characteristics with all the advantages that digital technology affords. Nonlinear interferometric switches such as the nonlinear optical loop mirror (NOLM) generally exhibit sinusoidal cw transmittance dependence on the optical power. The effect of concatenation is to transform this sinusoidal characteristic to one that is much more square. An important consideration in device concatenation is to minimize the component count necessary to optimize the characteristics. We have fa
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Marrocchi, L. "Development of a modular central electronic unit (CEU) for data handling and management in Martian atmosphere investigations." In Aeronautics and Astronautics. Materials Research Forum LLC, 2023. http://dx.doi.org/10.21741/9781644902813-152.

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Abstract. This article describes the development of a highly modular Central Electronic Unit (CEU) for data handling and management in Martian atmosphere investigations as part of the DREAMS experiment in ExoMARS 2016 Mission. The CEU was developed by TEMIS and Centro Interdipartimentale di Studi e Attività Spaziali G. Colombo (CISAS) to handle, acquire and transmit medium and low-rate data from sensors dedicated to investigating the Martian atmosphere. The CEU subsystem was designed to communicate with an external host to receive commands and transfer telemetry, transform power from different
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Heritage, J. P., A. M. Weiner, and O. E. Martinez. "Stabilized subpicosecond pulse compression due to multiple-order stimulated Raman scattering." In OSA Annual Meeting. Optica Publishing Group, 1987. http://dx.doi.org/10.1364/oam.1987.tuv2.

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Researchers have generally agreed that stimulated Raman scattering (SRS) must be avoided if high-quality fiber-and-grating pulse compression is to be achieved. We investigate depletion of 1.06-μm pulses by multiple-order SRS in single-mode fibers and carefully examine the implications for subseqeunt pulse compression. Intense SRS (with walk-off) clamps the pump pulse energy and steepens its rising edge; subsequent self-phase modulation results in nonsymmetric spectral broadening and a nonlinear chirp. Attempts at compression lead to asymmetric compressed pulses with broad energetic wings. As t
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He, Qin, Rubin Wang, and Xiaochuan Pan. "This paper presents a two-dimensional histogram shifting technique for reversible data hiding algorithm. In order to avoid the distortion drift caused by hiding data into stereo H.264 video, we choose arbitrary embeddable blocks from 4×4 quantized discrete cosine transform luminance blocks which will not affect their adjacent blocks. Two coefficients in each embeddable block are chosen as a hiding coefficient pair. The selected coefficient pairs are classified into different sets on the basis of their values. Data could be hidden according to the set which the value of the coefficient pair belongs to. When the value of one coefficient may be changed by adding or subtracting 1, two data bits could be hidden by using the proposed method, whereas only one data bit could be embedded by employing the conventional histogram shifting. Experiments show that this two-dimensional histogram shifting method can be used to improve the hiding performance." In 10th International Conference on Software Engineering and Applications (SEAS 2021). AIRCC Publishing Corporation, 2021. http://dx.doi.org/10.5121/csit.2021.110205.

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Arc, one virus-like gene, crucial for learning and memory, was dis-covered by researchers in neurological disorders fields, Arc mRNA’s single directed path and allowing protein binding regional restric-tively is a potential investigation on helping shuttle toxic proteins responsible for some diseases related to memory deficiency. Mean time to switching (MTS) is calculated explicitly quantifying the switching process in statistical methods combining Hamiltonian Markov Chain(HMC). The model derived from predator and prey with typeII functional response studies the mechanism of normals with intri
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