Relevant bibliographies by topics / Armature current

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Armature current'

Author: Grafiati
Published: 4 June 2025
Last updated: 1 August 2025

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Journal articles on the topic "Armature current"

1

Liu, Jingang, Yi Jiang, Zizhou Su, Weisheng Ye, Tao Zhang, and Wanying Wang. "Parametric analysis and design of the initial contact state of a 400kA pulsed current C-armature." Journal of Physics: Conference Series 2478, no. 9 (2023): 092003. http://dx.doi.org/10.1088/1742-6596/2478/9/092003.

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Abstract As a key component of an electromagnetic rail launcher, the armature plays a vital role in the performance of the electromagnetic launch. In order to solve the contact area and structural design problems of C-type armatures under large pulse current conditions, the material and initial contact state of a certain calibre C-type armature are studied, and the initial structural parameters of C-type armatures under 400kA through-current capacity and four times the calibre loading position constraints are analysed and calculated, together with the contact characteristics of armatures made
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Roe, A. C. "RECONNECTING DIRECT-CURRENT ARMATURES-TYPES OF ARMATURE COILS." Journal of the American Society for Naval Engineers 36, no. 3 (2009): 527–30. http://dx.doi.org/10.1111/j.1559-3584.1924.tb05484.x.

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Korytchenko, K. V., V. F. Bolyukh, S. G. Buriakovskyi, Y. V. Kashansky, and O. I. Kocherga. "Plasma acceleration in the atmosphere by pulsed inductive thruster." Electrical Engineering & Electromechanics, no. 4 (June 21, 2024): 61–69. http://dx.doi.org/10.20998/2074-272x.2024.4.08.

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Introduction. One of the directions of development of plasma technologies consists in the formation of gas-metal plasma formations and throwing them to a certain distance. Known thrusters of plasma formation either have an electrode system that is prone to erosion, or a discharge system in a solid dielectric substance in which ablation occurs, or a complex gas-dynamic system with fuel supply. They do not provide acceleration of plasma formation in the atmosphere for a significant distance. Purpose. A theoretical and experimental study of electromechanical and thermophysical processes in a plas
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Wang, Dexiang, Baoming Li, and Haiyuan Li. "Three-dimensional magneto-thermo-mechanical coupling analysis with the influence of velocity skin effect." Journal of Physics: Conference Series 2478, no. 8 (2023): 082014. http://dx.doi.org/10.1088/1742-6596/2478/8/082014.

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Abstract In this paper, the three-dimensional magnetic diffusion governing equations of an electromagnetic railgun are derived based on Maxwell’s equations and coupled with the energy equations. The finite element method is used to calculate the current density, temperature, and electromagnetic force distribution for armature velocities of 0, 200, 600, and 1200 m/s. The results show that there is a current concentration phenomenon on the rail’s inner surface and the trailing edge of the contact interface; the temperature rise of the rail along the moving direction of the armature tends to decr
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Korytchenko, K. V., V. F. Bolyukh, S. G. Buriakovskyi, Y. V. Kashansky, and O. I. Kocherga. "Plasma acceleration in the atmosphere by pulsed inductive thruster." Electrical Engineering and Electromechanics 2024, no. 4 (2024): 61–69. https://doi.org/10.20998/2074-272X.2024.4.08.

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<strong><em>Introduction.&nbsp;</em></strong><em>One of the directions of development of plasma technologies consists in the formation of gas-metal plasma formations and throwing them to a certain distance. Known thrusters of plasma formation either have an electrode system that is prone to erosion, or a discharge system in a solid dielectric substance in which ablation occurs, or a complex gas-dynamic system with fuel supply. They do not provide acceleration of plasma formation in the atmosphere for a significant distance.&nbsp;</em><strong><em>Purpose</em></strong><strong><em>.</em></strong>
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Sergey, Goolak, Tkachenko Viktor, Sapronova Svitlana, Spivak Oleksandr, Riabov Ievgen, and Ostroverkh Oleksandr. "Determination of inductances for pulsating current traction motor." Technology audit and production reserves 2, no. 1(58) (2021): 40–43. https://doi.org/10.15587/2706-5448.2021.229217.

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<em>The object of research is a pulsating current traction motor. To improve the accuracy of its mathematical model, it is necessary to use the values of the parameters that are determined in experimental studies of the electric motor. In particular, it is important to use in the model of the electric motor inductance obtained experimentally. A method is proposed for calculating the inductance of the armature winding, main poles, additional poles and compensation winding and the total inductance of the traction motor armature circuit. The calculations are based on the results of the indirect i
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Zhang, Pengxiang, Tao Shu, and Tengda Li. "Electromagnetic Characteristics Analysis of Quadrupole Compound Orbital Electromagnetic Launcher with Different Configurations." Electronics 11, no. 17 (2022): 2650. http://dx.doi.org/10.3390/electronics11172650.

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During the operation of the Quadrupole Compound Orbital electromagnetic launcher, the current is easy to gather in the armature and the rail contact surface. Serious turn and arc ablation can occur, causing damage to the rail and the armature and affecting the life of the launcher. To better solve the thermal ablation problem of the armature and the rail, three different configurations of the rail and the armature are established, and the current density, magnetic field distribution and electromagnetic force of the rail and the armature are compared and analyzed using the finite element method
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Abdullah, Mohamad Nazir, Muhammad Hafeez Mohamed Hariri, Mohd Khairunaz Mat Desa, Mohd Nadzri Mamat, and Suardi Kaharuddin. "Analysis and implementation of peak armature current (Imax) of a chopper-fed DC-DC motor drive in DCM." International Journal of Power Electronics and Drive Systems (IJPEDS) 16, no. 1 (2025): 96. https://doi.org/10.11591/ijpeds.v16.i1.pp96-105.

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At low frequencies of operation in a chopper-fed direct current (DC) motor drive, the armature current may become discontinuous thus the controller operates in discontinuous conduction mode (DCM). Since the minimum armature current is zero in DCM, the analysis of peak armature current (Imax) is to investigate the ripple content in armature current at different values of duty cycle which will help in decreasing the peaky current of DC motor during operation. The simulation was carried out using MATLAB-Simulink software and the laboratory setup was based on Atmega 328 microcontroller board. In t
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Abdullah, Mohamad Nazir, Muhammad Hafeez Mohamed Hariri, Mohd Khairunaz Mat Desa, and Mohd Nadzri Mamat. "Analysis and implementation of peak armature current (Imax) of a chopper-fed DC-DC motor drive in DCM." International Journal of Power Electronics and Drive Systems 16, no. 1 (2025): 96–105. https://doi.org/10.11591/ijpeds.v16.i1.pp96-105.

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At low frequencies of operation in a chopper-fed direct current (DC) motor drive, the armature current may become discontinuous thus the controller operates in discontinuous conduction mode (DCM). Since the minimum armature current is zero in DCM, the analysis of peak armature current (Imax) is to investigate the ripple content in armature current at different values of duty cycle which will help in decreasing the peaky current of DC motor during operation. The simulation was carried out using MATLAB-Simulink software and the laboratory setup was based on Atmega 328 microcontroller board. In t
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Goolak, Sergey, Viktor Tkachenko, Svitlana Sapronova, Oleksandr Spivak, Ievgen Riabov, and Oleksandr Ostroverkh. "Determination of inductances for pulsating current traction motor." Technology audit and production reserves 2, no. 1(58) (2021): 40–43. http://dx.doi.org/10.15587/2706-5448.2021.229217.

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The object of research is a pulsating current traction motor. To improve the accuracy of its mathematical model, it is necessary to use the values of the parameters that are determined in experimental studies of the electric motor. In particular, it is important to use in the model of the electric motor inductance obtained experimentally. A method is proposed for calculating the inductance of the armature winding, main poles, additional poles and compensation winding and the total inductance of the traction motor armature circuit. The calculations are based on the results of the indirect induc
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Dissertations / Theses on the topic "Armature current"

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Karim, A. H. M. "Gate-Turn-Off thyristor commutation of DC machines : the development of a rotating DC machine with static commutation of armature coil current using Gate-Turn-Off thyristor devices." Thesis, University of Bradford, 1986. http://hdl.handle.net/10454/3371.

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The thesis Is concerned with the development of a separately excited DC machine In which gate turn-off thyristor devices with their associated firing and protective circuits are used to provide the static commutation of armature coil current. The developed machine has Its armature winding with 24 tapping points located on the stator and Interconnected In "Lop" configuration. The Initiation of the conduction periods of armature switching devices Is defined by a digital control logic circuit. In conjunction with an Incremental rotary encoder which provides the necessary feedback Information rela
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Sláma, Miloslav. "Mechanismus vysouvání pastorku automobilového startéru." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2015. http://www.nusl.cz/ntk/nusl-221191.

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The thesis describes ways ejection pinions automotive starter and evaluation of the advantages and disadvantages of each solution. The first chapter deals with the principle of operation of DC motors and starters parameters. In the second part, the individual systems are theoretically discussed in terms of design and their advantages and disadvantages. The third part is focused on the most common system, which is analyzed in terms of mechanical and electrical reliability. The last point of the work is to design an experimental analysis Reach starter pinion.
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Bissal, Ara. "On the Design of Ultra-fast Electro-Mechanical Actuators." Licentiate thesis, KTH, Elektroteknisk teori och konstruktion, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-121181.

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The continuously increasing demand for connecting electric grids with remote renewable energy sources such as wind power and photovoltaic cells has rekindled interest in high voltage direct current (HVDC) multi-terminal networks. Although HVDC networks have numerous benefits, their adoption relies entirely on the availability of HVDC circuit breakers which, compared to traditional alternating current circuit breakers, have to operate in a time frame of milliseconds. This thesis deals with the design of ultra-fast electro-mechanical actuators based on the so-called Thomson coil (TC) actuator. T
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Bissal, Ara. "Modeling and Verification of Ultra-Fast Electro-Mechanical Actuators for HVDC Breakers." Doctoral thesis, KTH, Elektroteknisk teori och konstruktion, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-162921.

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The continuously increasing demand for clean renewable energy has rekindled interest in multi-terminal high voltage direct current (HVDC) grids. Although such grids have several advantages and a great potential, their materialization has been thwarted due to the absence of HVDC breakers. In comparison with traditional alternating current (AC) breakers, they should operate and interrupt fault currents in a time frame of a few milliseconds. The aim of this thesis is focused on the design of ultra-fast electro-mechanical actuator systems suitable for such HVDC breakers.Initially, holistic multi-p
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Manley, Matthew Halperin. "Experimental investigation of the effects of electrical currents in small-scale contact regimes." Thesis, 2010. http://hdl.handle.net/2152/ETD-UT-2010-08-1946.

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Railguns undergo excessive wear between the projectile and the electromagnetic launcher rails due to the hypersonic relative motion and very large current density involved. The wear effects at the small-scale on the rail-armature interface are not well known but need to be examined in order to support the development of a multishot launcher. Proposed contact regimes in the surface asperity interactions include solidsolid contact, liquid-metal lubricated contact, and arcing. In the present work, a modified Mesoscale Friction Tester (MFT) equipped with a probe and substrate was used to investiga
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Chuang, N. "A Mathematical Model of a DC Machine." Thesis, 2005. https://eprints.utas.edu.au/256/1/01Front.pdf.

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This research aims to determine how a mathematical model may predict the effects of a shorted and/or opened armature coil on a d-c machine. A mathematical model and a simulating computer were developed for a particular 0.375 kW d-c machine under both healthy and faulty conditions. The model was based on the coupled-coil theory, with a set of first order differential equations that were solved in the time domain. New techniques for measuring inductances on a particular d-c machine were implemented in order to acquire data for development of a simulation. The research found that measurements of
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Books on the topic "Armature current"

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Arnold, Engelbert. Armature Windings of Direct Current Dynamos: Extension and Application of a General Winding Rule. Creative Media Partners, LLC, 2018.

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Arnold, Engelbert, and Francis B. De Gress. Armature Windings of Direct Current Dynamos: Extension and Application of a General Winding Rule. Franklin Classics, 2018.

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Arnold, Engelbert, and Francis B. De Gress. Armature Windings of Direct Current Dynamos: Extension and Application of a General Winding Rule. Franklin Classics Trade Press, 2018.

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Gress, Francis B. De. Armature Windings of Direct Current Dynamos: Extension and Application of a General Winding Rule. Creative Media Partners, LLC, 2022.

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Gress, Francis B. De. Armature Windings of Direct Current Dynamos: Extension and Application of a General Winding Rule. Creative Media Partners, LLC, 2022.

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Armature Windings of Direct Current Dynamos: Extension and Application of a General Winding Rule. Franklin Classics, 2018.

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Armature Winding and Motor Repair; Practical Information and Data Covering Winding and Reconnectig Procedure for Direct and Alternating Current ... and Repair of Motors and Generators in Indu. Franklin Classics Trade Press, 2018.

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Braymer, Daniel Harvey. Armature Winding and Motor Repair; Practical Information and Data Covering Winding and Reconnectig Procedure for Direct and Alternating Current ... and Repair of Motors and Generators in Indu. Franklin Classics Trade Press, 2018.

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Braymer, Daniel Harvey. Armature Winding and Motor Repair: Practical Information and Data Covering Winding and Reconnectig Procedure for Direct and Alternating Current ... and Repair of Motors and Generators in Indu. Franklin Classics Trade Press, 2018.

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Braymer, Daniel Harvey. Armature Winding and Motor Repair; Practical Information and Data Covering Winding and Reconnectig Procedure for Direct and Alternating Current ... and Repair of Motors and Generators in Indu. Franklin Classics, 2018.

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Book chapters on the topic "Armature current"

1

Xu, Jinghan, Shengguo Xia, and Lixue Chen. "Numerical Study of the Current Density on the Armature and Rail Interface with Dynamic Contact." In Lecture Notes in Electrical Engineering. Springer Nature Singapore, 2025. https://doi.org/10.1007/978-981-96-2080-7_12.

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Krivilev, Alexander, Evgeniy Dunich, and Sergey Penkin. "Techniques of Armature Magnetic Induction Vectors Forming for Two-Phase Four-Sectional Brushless Direct Current Motor." In VIII International Scientific Siberian Transport Forum. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-37916-2_61.

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"Armature Windings." In Advances in Computer and Electrical Engineering. IGI Global, 2015. http://dx.doi.org/10.4018/978-1-4666-8441-6.ch004.

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In continuing with the previous chapter which discussed armature reaction, this current chapter discusses armature windings. The authors address the issue of lap windings, method of drawing, and making the direction of current. Moreover, they discuss how to find out the location of brush placement. Then then discuss multiplex lap winding, wave winding, their method of drawing and number of parallel paths. After that, frog-leg or composite winding is discussed. Finally, they discuss scope of lap winding.
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"Armature Reaction." In Advances in Computer and Electrical Engineering. IGI Global, 2015. http://dx.doi.org/10.4018/978-1-4666-8441-6.ch003.

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In Direct Current machines, we have two types of windings. The first one is field winding and the second one is armature winding. Armature field, and armature reaction is about armature winding. In this chapter, we discuss the issue of armature field, Geometrical and magnetic neutral axis (G.NA &amp; M.N.A), resultant field at load. Then we discuss shift of neutral plane in generator vs motor. After that we discuss the calculation of cross-magnetising ampere – turns per pole, compensating windings. Finally, this chapter ends with commutating or inter poles.
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Vas, Peter. "Vector and direct torque control of synchronous machines." In Sensorless Vector and Direct Torque Control. Oxford University PressOxford, 1998. http://dx.doi.org/10.1093/oso/9780198564652.003.0003.

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Abstract In this chapter vector control and direct torque control of different types of synchronous machines are described. For this purpose permanent-magnet synchronous machines (PMSM), the electrically excited synchronous machine, and synchronous reluctance machines (SYRM) are considered. Various ‘ sensor less’ control schemes are also discussed. Synchronous machines with an electrically excited rotor winding have a three-phase stator winding (called the armature) and an electrically excited field winding on the rotor which carries a d.c. current. There can also be damper windings on the rot
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Dote, Yasuhiko. "Brushless servomotor control." In Brushless Servomotors. Oxford University PressOxford, 1990. http://dx.doi.org/10.1093/oso/9780198593720.003.0006.

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Abstract ‘To control’ is defined as ‘to manipulate an object so as to serve a certain purpose (so as to make it work as desired).’ In our case, the motor is called the controlled system, the physical quantities (voltage, current, frequency, torque, angular velocity, and angle) are called the controlled variables, the required manipulations are called the manipulated variables (armature current, and frequency), and the instruction to be given is called the control reference.
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Vas, Peter. "Monitoring Of The Rotor Speed And Rotor Angle." In Parameter Estimation, Condition Monitoring, and Diagnosis of Electrical Machines. Oxford University PressOxford, 1992. http://dx.doi.org/10.1093/oso/9780198593751.003.0005.

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Abstract Tachometers can be used for monitoring the angular speed of a shaft. For this purpose it is possible to use a d.c. tachometer which can be a separately excited d.c. machine. When the separately excited d.c. machine operates as a generator, and if the field current is constant, under certain assumptions its armature voltage is proportional to the angular rotor speed. This is now proved.
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Deniz Karaoglan, Aslan, Deniz Perin, and Kemal Yilmaz. "Design Optimization of 18-Poled High-Speed Permanent Magnet Synchronous Generator." In Artificial Intelligence. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.106987.

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The aim of this research is to optimize the design of an 18-poled 8000 rpm 7 kVA high-speed permanent magnet synchronous generator. The goal is to find the best factor levels for the design parameters, namely magnet thickness (MH), offset, and embrace (EMB) to optimize the responses namely efficiency (%), rated torque (N.m), air-gap flux density (Tesla), armature current density (A/mm2), armature thermal load (A2/mm3). The aim is to keep the air-gap flux density at 1 tesla while maximizing efficiency and minimizing the rest of the responses. Optimization was carried out with one sample algorit
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"RL circuit, such as might appear in the armature of a motor, the current." In System Dynamics. CRC Press, 1998. http://dx.doi.org/10.1201/9781482269895-37.

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Imagawa, Hiroshi. "Structure and materials of brushless servomotors." In Brushless Servomotors. Oxford University PressOxford, 1990. http://dx.doi.org/10.1093/oso/9780198593720.003.0003.

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Abstract Direct current servomotors are widely used for industrial robots, NC machine tools, and so on, owing to their superior performance as servomotors. For example, they are easy to control because the torque is generated in proportion to the current. In addition, they have high efficiency and high speed response. However, their reliability is subject to deterioration resulting from the friction caused by the mechanical contact between the brushes and the commutator. They therefore require inspection and maintenance such as cleaning and replacement of brushes. Brushless servomotors (SM typ
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Conference papers on the topic "Armature current"

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Bhardwaj, Vikash, and Vijayalaxmi Biradar. "Intelligence-enabled DC Motor Control Utilizing Integrated Field Current and Armature Voltage." In First International Conference on Computer, Computation and Communication (IC3C-2025). River Publishers, 2025. https://doi.org/10.13052/rp-9788743808268a079.

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Robles, Jorge E. Salas, Vicente Biot Monterde, and Jose A. Antonino-Daviu. "Advanced Analysis of Armature Currents Signals for Sparking Detection in DC Motors and Generators." In 2024 International Conference on Electrical Machines (ICEM). IEEE, 2024. http://dx.doi.org/10.1109/icem60801.2024.10700490.

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Silva, Guilherme, Bernard Silva, and Douglas Bertol. "Armature fault diagnosis of universal motors using time-series data in neural networks." In Congresso Brasileiro de Inteligência Computacional. SBIC, 2023. http://dx.doi.org/10.21528/cbic2023-020.

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A common issue of DC and universal motors is the quality of the armature circuit and the commutation process. Some faults that could happen during the final assembly process, such as a short circuit between two segments or a broken segment in the armatures commutator, may not be detected by a visual inspection or the regular no-load end-of-line test. A more detailed analysis, using the feedback of various auxiliary sensors, usually requires implementing systems with more complex and expensive hardware. It also may take longer to get a precise analysis, which may not be suitable for the product
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Yifan, Li. "DC Motor Speed Calculation Based on Armature Current Measurement." In 2011 International Conference on Measuring Technology and Mechatronics Automation (ICMTMA). IEEE, 2011. http://dx.doi.org/10.1109/icmtma.2011.206.

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Tang, Liangliang, Junjia He, Lixue Chen, et al. "Influencing factors study of armature current distribution at current ramp-up in railgun." In 2014 17th International Symposium on Electromagnetic Launch Technology (EML). IEEE, 2014. http://dx.doi.org/10.1109/eml.2014.6920645.

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Zhang, H., B. Gu, B. Li, and C. Yang. "NUMERICAL SIMULATION AND EXPERIMENTAL STUDY ON THE CHARACTERISTICS OF ARMATURE WEAR AND CONTACT PROCESS OF SMALL CALIBER RAILGUN." In 34th International Symposium on Ballistics. Destech Publications, Inc., 2025. https://doi.org/10.12783/ballistics25/37171.

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During the electromagnetic railgun launch process, high temperature and high current conditions can lead to armature wear, affecting armature-rail contact and degrading launch performance. This paper starts with the analysis of the metal liquid film formation at the armature/rail contact interface. 1D and 3D models are developed based on the characteristic relational equation obtained from the melt liquid film model. These models incorporate thermodynamic equilibrium phase diagram, transient heat and mass transfer model, copper-aluminum alloy reaction model, nonlinear electrical conductivity r
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Deodhar, R. P. "Variation of torque constant with armature current in brushless PM motors." In Seventh International Conference on Electrical Machines and Drives. IEE, 1995. http://dx.doi.org/10.1049/cp:19950903.

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Gao, Yukang, Rong Wei, Zhigang Xue, Jin Wang, and Qiongxuan Ge. "Analysis of armature current assisted suspension force control of EDS maglev." In 2023 IEEE 6th International Electrical and Energy Conference (CIEEC). IEEE, 2023. http://dx.doi.org/10.1109/cieec58067.2023.10166289.

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Jia, Shaofeng, Ronghai Qu, Jian Li, Dawei Li, and Haiyang Fang. "Hybrid excited vernier PM machines with novel DC-biased sinusoidal armature current." In 2016 IEEE Energy Conversion Congress and Exposition (ECCE). IEEE, 2016. http://dx.doi.org/10.1109/ecce.2016.7855174.

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De Kooning, Jeroen D. M., Jan Van de Vyver, Bart Meersman, and Lieven Vandevelde. "Maximum efficiency current waveforms for a PMSM including iron losses and armature reaction." In 2016 XXII International Conference on Electrical Machines (ICEM). IEEE, 2016. http://dx.doi.org/10.1109/icelmach.2016.7732779.

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Reports on the topic "Armature current"

1

Powell, JOhn D., and Alexander E. Zielinski. Current and Heat Transport in a Double Taper Sabot-Armature. Defense Technical Information Center, 2001. http://dx.doi.org/10.21236/ada395569.

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Powell, John D., and Alexander E. Zielinski. Current and Heat Transport in the Cannon-Caliber Electromagnetic Gun Armature. Defense Technical Information Center, 1995. http://dx.doi.org/10.21236/ada299940.

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