electric traction
Sensitivity Analysis of Characteristic Parameters of Railway Electric Traction System
... the traction system, it is desirable to consider a conductor with a cross-section that will produce uniform magnetic field on its ...modern electric traction ...
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THEORETICAL ASPECTS AND METHODS OF PARAMETERS IDENTIFICATION OF ELECTRIC TRACTION SYSTEM DEVICES. METHOD OF WEIGHT FUNCTION
... DC electric traction with the single power ...two electric locomotives of the type DE 1, they have been identified by the weighting ...of electric locomotives are also formulated in the ...
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APPROXIMATION OF UNIVERSAL MAGNETIC CHARACTERISTIC FOR MODELLING ELECTRIC TRACTION MACHINES
... of electric traction machines of direct and pulsating ...the electric traction engine opera- tion in wide ranges of excitation change it is necessary the expression, in which there is a second ...
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Energy efficiency determination of loading-back system of electric traction machines
... of electric traction machines are conducted on loading-back stands that reduce the overall power costs for the ...of electric machines are known, but there is no method of determining their energy ...
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A CASCADED MULTILEVEL INVERTER USING THI METHOD FOR ELECTRIC TRACTION DRIVE
... Multilevel Inverter in Traction System The railway electric traction requires high voltage operation. This can be fulfilled by the series or parallel combination of various semi-conductor devices. ...
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Brushless DC Motor Design for Electric Traction System.
... BLDC motor is the permanent magnet synchronous motor designed to have a trapezoidal back emf. Due to rugged construction, less control complexity, higher power density, variable speed over a wide range and flexibility to ...
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An Effective Energy Management in Electric Traction Using Cascaded Multilevel Converter
... The energy storage system plays an important role in electric vehicles (EV). Batteries, such as lead-acid or lithium batteries, are the most popular units because of their appropriate energy density and cost. ...
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Electrodynamics of transmission and losses of power in the devices of electric traction systems
... of electric rolling stock the layer of particular environment with the necessary ...in electric trac- tion system was first ...of electric rolling stock were ...of electric rolling stock. The ...
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Control of an Actuator DC Energy saving dedicated to the Electric Traction
... The study of dynamic behavior of the engine showed that the switching frequency is low, which led us to integrate a low gear reduction ratio to reduce the frequency of magnetization of the engine, to solve the problem of ...
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Quality electricity lines of external power systems electric traction DC
... зменшився до +4o ; б основний вклад у несинусоїдність напруги вносять гармоніки 2,3,11,12 та 13, а сумарний коефіцієнт спотворення складає 4,6%, що перевищує нормативно допустиме 4,0%, а[r] ...
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Electric traction
... Professor Sylvanus Thompson defines a dynamo- electric machine as " a machine for converting energy in the form of mechanical power into energy in the form of electric currents, or vice [r] ...
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Over Current Protection for High Voltage Gain DC-DC Converter
... The high voltage gain dc–dc boost converters is used in industry applications such as uninterrupted power supplies, electric traction, photovoltaic generation systems, fuel cell energy conversion systems, ...
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Design and implementation a smart seat for handicap people
... seats. Electric design using electric traction machines is a type of DC motors with a small rating of 144 watts per DC motor and using only two small batteries of energy 18 ...
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TESTING METHODS AND ANALYSIS OF THE MAIN ELECTRICAL PROPERTIES OF MODERNIZED LOCOMOTIVES
... requirements of accurate, precise and safe measurement of direct, alternating and impulse currents and voltages in the electric traction power circuit. Since recently, similar measuring transducers, based ...
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Specificity of Electrodynamics Braking of EP20 Electric Locomotive with Asynchronous Traction Motors
... passenger electric locomotives for two types of current, EP20, are characterized by the worst specific energy ...EP20 electric locomotive. EP20 electric locomotive is equipped with two independent ...
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Diagnosis of traction electric motor at irregularity in speed of anchor rotation
... of electric traction motor as well as electromagnetic and mechanical ...including traction electric motor is very difficult to ...that traction electric motors are the least ...
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Perspectives on Electrification for the Automotive Sector: A Critical Review of Average Daily Distances by Light-Duty Vehicles, Required Range and Economic Outcomes
... full electric vehicles, as quoted from the literature and obtained from the authors’ data collection and direct ...their electric traction and not with their ...placing electric charging spots ...
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METHODOLOGY OF DETERMINING THE PARAMETERS OF TRACTION ELECTRIC MOTOR FAILURES WHEN OPERATING TROLLEYBUSES
... of traction electric motors of trolleybuses during operation and improvement of the technical state control system, using modern diagnostic ...of traction electric motors in the process of ...
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Once again about determination of saving of energy for traction due to partial cut–off of traction engines of electric rolling stock
... 10. Kuznetsov V.H., Ivanov M.O., Matusevych O.O. Normuvannia vytrat elektroenerhii na vlasni potreby postiv sektsionuvannia ta punktiv paralelnoho ziednannia postiinoho strumu [Rationing of electric energy ...
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MODELING OF ELECTROMAGNETIC PROCESSES IN THE SYSTEM OF TRACTION ELECTRIC SUPPLY
... of traction power supply system for double-track railway section with different kinds of traction on the work of rail circuits on the basis of developed mathematical ...
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