Traction motors
A Mechatronic Approach for the Detection of Wheel Slip/Slide and Antislip Control of Locomotive with AC Traction Motors
... Figure 3 shows automatic wheel-sets anti-slip and slide control system that is proposed by the authors for computer aided control of locomotive wheel set slipping and sliding process that is comprised: wheel set speed ...
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AUTOMATED MEASURING COMPLEX FOR ACCEPTANCE TESTING OF DC AND UNDULATED-CURRENT TRACTION MOTORS
... of traction motors; 2) to make recommendations to improve the measurement accuracy, reduce labor intensity of work for carrying out measurements, and reduce the requirements for the qualification of the ...
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Improving the electromagnetic compatibility of track circuits with electric rolling stock of double power supply with induction traction motors and electrictraction network
... In this article the research results of many authors on the effect of current interference from the existing electric rolling stock with induction traction motors (ITM) on the track circuits and the ...
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Optimization of Fan Geometry for Urban Train Traction Motors using Coupled Numerical Electromagnetic and Thermal Analysis
... electrical motors is heat generation by the motor and the way it is ...of traction motors and leads to ...train traction motor in a 3D computational fluid dynamics (CFD) simulation has been ...
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TO THE QUESTION ABOUT THE USE OF DC TRACTION MOTORS SYSTEM OF THE ELECTRIC ROLLING STOCK OF THE RAILWAYS
... дження менше часу руху електровозу з двигунами паралельного збудження; - дуже важливо те, що двигуни послідовного збудження в експлуатації забезпечують краще використання потужності при [r] ...
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Specificity of Electrodynamics Braking of EP20 Electric Locomotive with Asynchronous Traction Motors
... However, during transfer from regenerative to rheostatic braking, the current from overhead system flows shortly to braking resistors (Fig. 6). At the 11.5th second due to voltage increase to 3.65 kV in overhead system, ...
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COMPARATIVE ANALYSIS OF CONVERTER STRUCTURES OF THE TRACTION DRIVE PROSPECTIVE MULTI-SYSTEM ELECTRIC LOCOMOTIVES WITH DC TRACTION MOTORS
... Особливістю реалізації статичного перетворювача для тягового приводу перспективних багатосистемних електровозів з чотирма тяговими двигунами постійного струму є те, що його можливо будув[r] ...
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The influence of power stator windings of the asynchronous traction motors for dynamic workload elements of traction drive locomotive
... Найбільші значення зусиль F3,4 , F4,5 , ST у вузлах з’єднань елементів механічної частини групового тягового привода та поздовжньої складової зусилля на контакті колесо–рейка Fк1 при дво[r] ...
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THE EFFECT OF TOLERANCES ON SWITCHING TRACTION MOTORS TRANSIENT
... У статті показано залежність ступеня іскріння тягового двигуна від практичної реалізації допусків на геометричні параметри магнітного кола додаткових полюсів при перехідних [r] ...
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IMPROVEMENT OF MANAGEMENT SYSTEMS, TRACTION MOTORS OF DIESEL LOCOMOTIVES
... Проблемою поліпшення зчіпних властивос- тей локомотивів займаються й інші відомі фір- ми: Siemens, Hitachi, Ansaldo, General Motors та інші [9-12,18]. В усіх цих розробках дуже бага- то схожого з вітчизняними і ...
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THE EFFECT OF THE PARAMETERS DEVIATIONS OF THE TRACTION MOTORS ON THE QUALITY OF SWITCHING DURING TRANSIENTS TAKING INTO ACCOUNT THE WEAKENED FIELD
... ВПЛИВ ВІДХИЛЕНЬ ПАРАМЕТРІВ ТЯГОВИХ ДВИГУНІВ НА ЯКІСТЬ КОМУТАЦІЇ ПІД ЧАС ПЕРЕХІДНИХ ПРОЦЕСІВ З УРАХУВАННЯМ ОСЛАБЛЕНОГО ПОЛЯ У статті показано залежність ступеню іскріння тягового двигуна [r] ...
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STRUCTURAL RELIABILITY OF TRACTION INVERTER FOR MULTI-SYSTEM ELECTRIC LOCOMOTIVE WITH ASYNCHRONOUS TRACTION MOTORS
... Схема для дослідження структурної надійності перетворювача «25 кВ змінного та 3 кВ постійного струму» при 4 АТД у разі реалізації модулями М2 за рис.. Для структурної схеми, наведеної на[r] ...
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IMPROVING THE EFFICIENCY OF THE PROTECTION CIRCUIT OF THE TRACTION MOTORS FROM EXTERNAL AND INTERNAL SHORT CIRCUITS DURING REGENERATIVE BRAKING ON ELECTRIC LOCOMOTIVES DE1
... the motors from outer, and especially – from inner short circuits, the authors suggest complementing the system by quick-acting contactors from the «earth» side, with automatic forced demagnetization of ...
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SOLVING ECONOMIC DISPATCH PROBLEM USING PARTICLE SWARM OPTIMIZATION BY AN EVOLUTIONARY TECHNIQUE FOR INITIALIZING PARTICLES
... three-phase motors with only one ...dual traction motors of an EV and there is possibility of reducing the drivelines structure complexity and ...two motors was first introduced by ...Both ...
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Performance evaluation of the hydrogen powered prototype locomotive ‘Hydrogen Pioneer’
... the traction motors or charge the on-board lead-acid ...railway traction vehicle and the results indicate that the traction system can be applied to full-scale ...
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Optimization of Operating Hardening Parameters and Hence Hardness Profile of Traction Gears
... of traction equipment for railway , viz action motors, alternators and ...of traction motors ( viz165 , 253 BX/AZ , TM4939 etc ), are manufacture by BHEL ...1800 traction heavy duty ...
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Electrical modelling of a DC railway system with multiple trains
... braking, traction motors transform into generators, whereby traction currents are reversed and redirected into the feeding lines to slow trains ...
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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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On the excitation of Tollmien-Schlichting waves due to surface vibration
... vibration motors mounted underneath the sheet. The vibration motors where driven by a si- nusoidal voltage signal generated from NI Labview and amplified by an audio amplifier to provide the required amount ...
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Estimation of Trafficable Grades from Traction Performance of a Forwarder
... the traction coefficient. The latter describes the relation between traction force and ma- chine ...of traction force in de- pendency of slip were taken for a forwarder under different soil ...
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