Dc traction motor pdf. The shift from a DC motor-based traction system to .
Dc traction motor pdf. DC Traction Power Supply System Overview • 6.
Dc traction motor pdf com 75 HP, WESTINGHOUSE, 908AH, DC TRACTION MOTOR May 7, 2020 · DC Traction Power Supply May 7, 2020 Slide 10 Transformer-rectifier groups ABB offers a full range of rectifiers in line with EN 50328 and IEC 62590 connection schemes. It is produced by the ACU’s XQ (D) Series DC Traction Motors. The output dc power of the converter unit is fed to inverter units to drive a traction motor. The core components of the prototype are approximately 1/4 of the weight and volume 275 Kappa Drive, Pittsburgh, PA 15209 • Phone: (412) 963-1111 Fax: (412) 963-0808 • www. c. Traction Motors. DC motor is essentially a high current low voltage design which calls for expensive large diameter cables and large electro-pneumatic reverser, contactors, switches etc. , it automatically adjusts the speed as the load changes. SAI VENKAT 180060020 ASLAM SHAIK 180060022 DADI TARUN TIRUMALAN 180060024 A. A circuit diagram of automatic control of wheel-sets’ slip and slide parameters in diesel-electric powered locomotive (of DC/DC type): G is a separately excited shunt-wound DC traction generator; G1 is the exciter; MA is a magnetic amplifier; B1, …, B6 are armature current sensors of DC traction motors; M1, . We offer customized system and electrical solutions for EV. 2. DC motors are a major component of position-control systems and variablespeed drives. Third Rail Overview • 8. The articles cover traction drives with DC and AC traction motors, electrification systems, and railway signalling and control systems. Box 114 Joliet, Illinois 60434 USA (800) 435-9350 (713) 467-7559 Fax: (713) 467-7887 www. May 31, 2021 · PDF | An industrial drive testing, with a ‘real-machine’ can pave way, for some serious issues to test-bench and motor. 110 Volt AC, 50 Hz, 20 kVA The 1 phase AC output (1 AC 110 V, 50 Hz) supplies for passenger compartment fans and lighting etc 110 Volt DC, 9 kW The DC output provides DC 110 V for low voltage power supply (contactors etc. . We will substitute them into eq. For various types of dc motors the expression for field current will be different. 11 (i)], each motor armature will receive one-half the normal voltage. (5. The lug terminals can vibrate loose, become elongated, or otherwise fail. 11) When the motors are connected in series [See Fig. In this paper, the IOT based control of DC traction motor has been reported. Traditionally the traction motor is among the many custom made components required by train manufacturers. [2] Technical specifications and construction details of the three-phase AC traction motors are outlined. There are three main types of motors used in the locomotive industry: 1DC traction motors; 2AC traction motors with Variable Frequency Drives (VFD) First, let us briefly discuss the details of each type of motor. A single reduction gear (ratio 20:91) is used for transmission of power to the axle. • DC motor: industry workhorse for decades. DC Traction Power Supply Main Equipments • 7. The document contains specifications and torque-speed curves for several traction motors used in rail applications. It involves utilization of electric power for traction systems i. Title picture The Ee 933 shunting locomotive of Swiss Federal Railways (SBB), which is fitted with ABB’s PETT demonstrator Non electrified 750 V DC 1. In particular, the recently We do design and manufacture all kind of traction duty motors for various customer specific applications ranging from Traction Motors (0. Winding is double layered. Signals have been assessed at normal as well as for inter-turn short-circuit condition ending with a case study of a DC motor of Indian Eastern Railway, WAP4 DC locomotive using MRA of DWT and corresponding skewness, kurtosis and RMS values of more) similar d. traction motor arrangement based on only one bearing. The core components of the prototype are approximately 1/4 of the weight and volume Aug 24, 2020 · PDF | This paper presents an up-to-date review of design trends for electric traction motors of electric vehicles, mainly battery electric vehicles and | Find, read and cite all the research Nov 6, 2014 · Abstract: Traction motors provide the motive force for the majority of railway vehicles. What is electric traction? Electric traction is meant for locomotion in which the driving (tractive) force is obtained from electric motors (called as traction motors). Mar 24, 2018 · 3. PAGE 1 AC/DC traction motors provide locomotive power to electrical multiple units (EMU’s). In fact, according to the 2003 “Motor Diagnostics and Motor Health Study” [Penrose and O’Hanlon], approximately 60% of reporting companies were still using DC machines. The finite element method in 3D and 2D crimped on lug terminals bolted to the traction motor frame. Internet is the most widely used, high speed and easily accessible communication medium The document provides a description of DC motors, including their construction, basic operation, and components. Commonly found in railway, mining, and transportation industries, they provide reliable and efficient traction for heavy-duty vehicles. or better performance. pdf), Text File (. , for railways, trams, trolleys etc. DC electric motors remain a part of our industry, both heavy and light manufacturing. C, Induction, and Synchronous motor drives. For a number of speciic Nov 10, 2006 · This paper describes the use of electrical machines as the prime mover in railway locomotives and vehicles. series motors are mechanically coupled to the same load. com C75YZ NEW DC Traction Motor Electric motors are a common means of powering a train, whether the energy required is carried on-board the train in the form of a diesel engine and its fuel or obtained from outside the train by connection with an external power supply carried by an overhead line or third rail. The drive performance can be greatly improved by operating the multistage half controlled converters. •The motors are axle mounted and nose suspended. 4 MW Max. locomotives were driven b y DC traction motors at the . Dec 1, 2022 · PDF | This paper presents a critical review of traction motors used for distributed traction (DT) applications in high-speed railways (HSR). The motors have different voltage ratings for traction and braking modes and their torque decreases as speed increases. 3 Supply, overhaul, testing, calibration and commissioning of the Traction motor Test bench for Rotating Machine Business. Alternatives like quill drives and monomotor bogies also mount the motor weight in the bogie. DC Traction Power Supply System Overview • 6. 2 Traction motor Test bay 5. Traction motor bearings are usually equipped with a one or two-piece machined brass cage. KoneruLakshmaiah Education Foundation (Deemed to be University) ELECTRICAL AND ELECTRONIC DEPARTMENT A Project Based Lab Report On DYNAMIC BRAKING AND PLUGGING ON DC MOTOR SUBMITTED BY: I. M. com • tractionmotors. When the motors are connected in parallel, each motor armature receives the normal excess of 100 mph. The Traction Power Supply System (TPS) is based upon a 50 hz, 2x25 kilovolt (kV) autotransformer feed configuration. 5 VA and not 1. Torque values range from around 200-1600 Nm over motor speeds of 0-6000 rpm. siboni. Running Rail Overview • AC-DC Traction Power Supply VDO Table of Content Apr 9, 2021 · The commonly used motors in these vehicles are DC, induction, permanent magnet AC motors and permanent magnet DC motors (brushless DC motors) . An alternative topology for the DC winding employs, similarly to the AC winding, concentrated toroidal coils and is not illustrated in the figure. Jun 30, 2022 · PDF | On Jun 30, 2022, Nikolay Djagarov published Traction Motor Drive of Electrical Vehicle: Types, Performances and Control | Find, read and cite all the research you need on ResearchGate and provides the traction power to the electrically powered vehicles on the high-speed railway line. PROF. Dalian Toshiba Locomotive Electric Equipment Co. Conclusions AC motor traction drives are superior to DC motor traction drives. IPS offers a wide range of AC and DC traction motor repair and overhaul services. Separately excited dc motors fed by sequentially operated multistage converters are commonly used in mainline traction. For traction purposes mostly 3-Phase IM and DC series motors are used. 55 to 13kW Voltage:2275V - • Insulation class: F Duty cycle: S2 . The motor has to be further de rated due to heat generated by harmonic current zyxw zyxw zyxwvut STATE SPACE MODELLING AND FUZZY CONTROL OF DC-DC CONVERTER FED A DC TRACTION MOTOR^ Engin Ozdemirf, At$ Ural”, Nurettin Abut”, Ei-ciiment Karakag’, Ercan OlGer* and Biilent Karagoz** zyxwvutsrqponmlkjihgfed University of Kocaeli, Department of Electrical Education, Izmit, 41 100, Turkey ++ University of Kocaeli, Department of Electrical Engineering, Izmit, 4 1100 zyxw zyxw zyxwvut STATE SPACE MODELLING AND FUZZY CONTROL OF DC-DC CONVERTER FED A DC TRACTION MOTOR^ Engin Ozdemirf, At$ Ural”, Nurettin Abut”, Ei-ciiment Karakag’, Ercan OlGer* and Biilent Karagoz** zyxwvutsrqponmlkjihgfed University of Kocaeli, Department of Electrical Education, Izmit, 41 100, Turkey ++ University of Kocaeli, Department of Electrical Engineering, Izmit, 4 1100 Electric locomotives, traction control equipment, auxiliary power supply equipment, traction motor, train information system, ATC/ATS system, etc. A ZQDR-410 traction motor (the large, dark component on the axle with small ventilation holes) A traction motor is an electric motor used for propulsion of a vehicle, such as locomotives, electric or hydrogen vehicles, or electric multiple unit trains. The inverter unit (VVVF inverter) converts dc power from converter unit to three-phase ac power of adequate voltage and frequency, to control a traction motor. Sevcon_MOS90_DC (xi) Reduced maintenance cost. Our start-to-end service produces the entire selection of original motors to the original equipment manufacturer's (OEM) specification, under licence if required, with options to provide life-cycle or in-warranty service and maintenance. Within industry, a majority of DC motors will be found in the heavy steel, mining and Jan 1, 2017 · shows the schematic diagram of a 4 Point Starter of a DC Motor. it ITA - ENG. HEAVY Dec 11, 2016 · Dc motor ppt - Download as a PDF or view online for free. The shift from a DC motor-based traction system to • 3. Control for drive systems, Control of D. traction power 6. Running Rails • TPSS Incoming source is always a 3ph MV source • The MV network distribution can be radial, parallel or ring type • DC network distribution is radial • DC Output 570-1500Vdc • DC Rail systems are sectionalized • TPSS Power and Equipment ratings and Quantities are (induction) traction motors have replaced DC traction motors that require much maintenance work, but the efficiency of the motors has not increased remarkably. Its action is based on the principle that when a current-carrying conductor is placed in a magnetic field, it experiences a mechanical force whose direction is given by Fleming’s Left-hand Rule and whose magnitude is given by F = BIl The paper presents a traction induction motor with an innovative rotor winding design. DC TRACTION MOTOR •The EMU Traction Motors are DC series, self excitation type motors. Indice - Index Motore Serie 75 PXF 4 Motor Series 75 PXF Motore Serie 75 PF 7 Motor Series 75 PF Traction Motors - DC DC Traction Motor 2141C . Drive of a shunting locomotive of 25kV ac traction consists of a half-controlled converter feeding dc series traction motors. Dredge pump motor Jet pump motor Cutter motor Sea water pump motor DRILL RIG APPLICATIONS Year after year, Wabtec has built thousands of AC and DC traction motors for the drilling industry. It describes the desirable characteristics of traction motors, including high starting torque, simple speed control, and self-relieving properties. See full list on web. The winding of the rotor is almost identical to the armature winding in the dc traction motors, with the exception of commutator. Torque equation Nov 14, 2023 · PDF | Traction power systems (TPSs) play a vital role in the operation of electrified railways. It evaluates the suitability of DC series motors, AC series motors, and linear induction motors for traction applications. 00 2. ) and battery charging. O. There are 4 Traction motors in each motor coach and connected in parallel with the main rectifier DC output. 1 The system works on the principle of the Hopkinson back to back load test. 5 t Number of traction motors 4 Max. Failure of these terminals results in the rail vehicle stopping on the track. Traction motors and gearboxes are described as key components that provide propulsion. 1 The first electrified railway The FEC converts ac power from a secondary winding of main transformer to regulated dc power. Electric traction was introduced on Indian 2 Similarities in the construction of motors, power electronics and control of traction drives 3 Rotor speed and position observers, sensored or sensorless 4 Cost price versus operational costs with regard to e ciency DC SERVOMOTORS - TRACTION D. motors Diam. This paper looks at the fundamentals of the design and construction of the main DC and AC traction motor types that will usually be encountered in the UK and discusses some of the details that need to be considered. traction motors is the result of several years of product design and develop-ment. To analyze suitable traction motors for DT-HSR, the following sections focus on two motor types, IM and PMSM, and their design concerns. 5. AC Traction Power Supply Main Equipment • 4. motor, field winding produces a required magnetic field while armature conductors play a role of a current carrying conductors and hence armature conductors experience a force. 2 Similarities in the construction of motors, power electronics and control of traction drives 3 Rotor speed and position observers, sensored or sensorless 4 Cost price versus operational costs with regard to e ciency the DC link voltage. Conclusions It has a high starting torque because initially Taɑ Ia2 It is a variable speed motor i. dc motors has better co-efficient of adhesion than driven by series motor. This first article covers the nature of the traction load, the requirements of the traction duty cycle and power electronic controlled traction The topics in this lecture presentation are as follows : DC motors, The simplest DC machine, Commutation in a simple 4-loop DC machine, Problems with commutation in real DC machines, Solutions to the problems with commutation, Power flow and losses in DC machines, The losses in DC machines, The power-flow diagram, Equivalent circuit of a DC Most recent condition monitoring work has been aimed at various AC machines but DC machines are still used in many traction and power drives. mm 290 290 412 412 442 412 442 442 495 495 495 660 660 Length mm 420 420 540 600 644 680 700 715 750 750 900 790 1050 The ratings and performance of STS traction- motors are to BSI 727 INSULATION CLASS Motors are wound with Class H insulation with Class F rise. The simulations revealed faults that can cause protections to fail. Like: 1) Traction 2) Hoists and Lifts 3) Crane 4) Rolling mills 5) Conveyors 34. caseyusa. 16. Control Techniques for electric drives, Block diagram representation, transfer functions, transient response, frequency response and stability, compensating techniques. excess of 100 mph. For decades, these motors have been engineered, manufactured and tested to Wabtec’s most stringent standards in the harshest drilling environments. Prototype core components of a traction motor were designed and built for installation in the casing of a General Motors D77 traction motor from a GP-38 locomotive to test and evaluate the technology capabilities. Sep 17, 2021 · Type of vehicle DC locomotive Special feature Last Mile operation on non-electrified lines (optional) TECHNICAL DATA System voltage 3 kV DC Wheelset arrangement Bo’Bo’ Axle load 20 – 21. 7 %âãÏÓ 1970 0 obj > endobj 1980 0 obj >/Filter/FlateDecode/ID[41EAC767698C264CAB43E707807224AE>]/Index[1970 17]/Info 1969 0 R/Length 65/Prev 2424685/Root •The out put of this motor appears more •In case of DC EMU, DC motor was of 183 KW The AC motor is 220 KW The WAG 9 motor is 850KW The WAG7 motor is 670 KW one hour But the hauling capacity of WAG7 is more This is because the output is 1. (Dalian, China) Drive systems for locomotives, DC train drive systems, auxiliary power supply, traction motor, train information system, etc. The langed gearbox accommodates the corresponding bearing function. Read full-text. 5 traction motor. Fig. (xii) Reduction in the size and weight of traction circuit equipment. Double power frequency pulsation in the DC link would have an adverse impact on the control performance of the four-quadrant converter and traction motor [20]. These motors are intensively engineered to ensure function and quality, which results in increased complexity throughout the value chain and adversely affects their manufacturing lead time. Draw the simplified speed/time curve for the main line services and show all necessary periods. i)A train driven by separately excited dc motors has better co-efficient of adhesion than driven by series motor. 40 20 70 HR 10/100 12 40 Metal slip rings, low + high voltage machines, wind power generators Nov 15, 2017 · In this system, the switching and the speed of the DC motor can be controlled by using a self-developed android application and the PROTEUS simulation confirmed the theoretical estimates of the performance of the proposed system. Airport Rail Link Project Overview • 5. Download citation. Designations of the type. A traction system in which DC series motors are used for running the electric trains is known as DC traction system. Jul 4, 2013 · Dc motor - Download as a PDF or view online for free. Modern Oct 29, 2011 · Traction motor - Download as a PDF or view online for free. Based on the AC-DC-AC traction system simulation model, the influence of harmonics on traction motor and their mutual influence in traction systems were investigated. Along the iron core bars are secured with general purpose traction duty on industrial wayed, alternative tapered or internal/external trucks, road vehicles and mining/tunnelling splined shafts are available locos. The DC power to be fed to DC series motor is obtained from substations which are located at a distance of 3 to 5 km for urban and suburban heavy traffic and 15 to 30 km for main line service. First Sevcon MOS90 DC Traction and Pump Controller Datasheet1-1734225600 - Free download as PDF File (. From the late nineteenth century to the early twentieth century, a low-voltage DC (below 1500 V) system was adopted in tramways, light rail, mine railways, suburban railways, subways, etc. “Shoes” make contact with the In contrast to AC drives, which employ an alternating current (AC) motor as their power source, DC drives rely on a direct current (DC) motor [3]. Based on the results, the thesis proposes a new protection scheme and examines its performance during Nov 14, 2023 · Benefiting from excellent speed regulation performance, electric locomotives were driven by DC traction motors at the inception of electrified railways. 1. 5 KW to 15 KW). ENVIRONMENT Standard ratings are based upon an ambient E34 32 1. However, the recent rising tide of global ecological concerns is promoting research and development work to increase the efficiency of the traction motors. 1. (1) to get the torque equations. C. 1DC Traction Motor: 2. %PDF-1. Precise control is achieved Apr 16, 2020 · This document discusses traction motors and their control. based on the type and mounting configuration. As most other types of large transformers tend to be stationary, traction is probably the application that stands to benefit most from reducing the transformer’s weight. Therefore, the speed will be low. The most common DC traction motors used in the railway . [1 application for detection of winding inter-turn fault in DC traction motors. A DC motor's speed can be easily changed by operating it at a speed higher or lower than its rated speed. Then the operation of the principal types of traction machine - DC, synchronous and induction (asynchronous) motors - is described, and their steady-state Dec 1, 2017 · Classification of vehicles operational characteristics and different economical issues of these vehicles are summarized in Table 1 for better comparative analysis [1, 10-12]. –DC strong presence; easy control; huge numbers DC Drives • Advantage: simple torque and speed control Sep 6, 2021 · various motors that can be utili sed as the traction motor in an EV; however, t hree - phase i nduction a nd permanent magnet synchronous motors are the most commonl y used [6] . e. (xiii) Possibility of reducing the capacity of the traction substation, because the power factor of the system is always unity, both in powering and braking. 732VI. 02 DC motor has inherent problems of brush gear, commutator and low power to weight ratio. First, the loading of traction machines is examined from knowledge of vehicle movement dynamics within the traction duty cycle. DC Traction Motors (also known as direct current traction motors) are electric motors used to drive locomotives, trams, and electric vehicles by converting electrical energy into mechanical power. Justify the statement. The student created a Simulink model of a subway system to simulate various fault conditions. DC motors function via the interaction of magnetic fields in the stator and armature. Apr 27, 2022 · DC Traction System. L Terminal: Connected to the positive terminal of the power source 2. The dc supply so obtained is fed to dc traction motors via suitable contact. • Will AC drive replaces DC drive ? –Predicted many years ago –AC will eventually replace DC; at a slow rate. Copy link Link copied. DC traction motor DC auxiliary motor • Rated output: 0. • DC Drives: Electric drives that use DC motors as the prime movers. For more than 75 years our motors have delivered Quality, Value and Reliability Day-in—Day-out. 66 26 81 HR 10/100 12 60 DC traction motors RC27 14. Series-Parallel Control This system is widely used in electric traction, where two or 2 Similarities in the construction of motors, power electronics and control of traction drives 3 Rotor speed and position observers, sensored or sensorless 4 Cost price versus operational costs with regard to e ciency DC SERVOMOTORS - TRACTION D. It focuses on the YZC 800 series of DC motors, detailing their specifications and components such as the frame, fields, armature, brushes, and lead connecting box. A Common DC-Bus-Configured Traction Motor Emulator Using a Virtually Jan 22, 2021 · There are two metrics to classify traction motors, i. The project was initiated in 2007, not only to create a traction motor with universal appeal to train builders, but also to enable effective engineering, sup-ply and production processes, and to maintain ABB’s lead as an independent supplier of traction motors. 2. This document provides a 3-page summary of traction motors and gearboxes used on train sets: [1] It introduces train sets and their distributed traction power system using motor coaches. P. starting tractive effort 320 kN LRT DC Traction Power Distribution Network Overview. This includes Jun 1, 2014 · Request PDF | 3D EM modelling of DC traction motors for pairing of motors in tram undercarriages | The article deals with modelling of tram DC series motors. 10. 5~3 ton and van of 2~ee5 ton. edu when a current carrying conductor is placed in a magnetic field' it experiences a mechanical force'. 6. SAI KRISHNA REDDY ASSOC. LAVANYA UNDER THE GUIDANCE OF MR. Motor Principle An Electric motor is a machine which converts electric energy into mechanical energy. Mar 1, 2024 · DC motors are still relevant in Micro-mobility transportation such as bikes, mopeds, trikes, and other low-powered (up to 10-30 kW) vehicles [22]. Jan 1, 2017 · shows the schematic diagram of a 4 Point Starter of a DC Motor. The overall aims pf the work is aimed at reducing unexpected failures, maintenance costs and Aug 31, 2022 · Download full-text PDF Read full-text. Traction substations shall be based on SFC (static frequency converter) technologtraction substation is Jun 8, 2015 · Traction motors for DC systems are normally wound for 600/750 V and c onnected permanently in parallel for 600/750 V DC supplies, or c onnected in series parallel Nov 1, 2022 · The size of the HSR traction motor is limited by parameters such as wheel diameter, axle dimension, gear center dimension, gauge, floor distance, and other safety clearances, as shown in Fig. traction motor test bench, if the existing components and systems are obsolete. This bearing can be a locating or non-locating bearing. It suffers from two important limitations. mit. Application: Used for driving and steering the equipment which are powered by battery and driving oil pump, ideal for forklift of 0. 03 Thyristorised DC traction motor drives, though made the DC motor drive supplies traction ventilation fan motors & air compressor. 29. Electric traction was introduced on Indian Feb 1, 1994 · This series of tutorial articles explains the electrical and control engineering background in electric railways. The DC traction motor uses a rotor and stator to drive the axle via a gearwheel. txt) or read online for free. MOTORS www. The bars are insulated. D NUMBER NAME 180060019 D. , M6 are series wound DC techniques, (c) proposed novel design employing DC excitation with overlapping windings, and (d) proposed novel design employing DC excitation with non-overlapping windings. Traction motor type 2141C is designed and manufacture for 700 HP Diesel Electric Tower Car (DETC) and Self Propelled Inspection Car (SPIC). The rotor turns within the stator, causing the gearwheel and axle to rotate. , Ltd. On the other hand, there is a restriction on maximum speed due to commutators, and DC motors generally have lower efficiency and power density for higher speeds [13, 14]. Download full-text PDF. In a practical d. Submit Search. Thus if the load decreases, its This master's thesis focuses on analyzing the interference that regenerative braking causes on protection of DC traction systems. Traditionally, DC motors were nose suspended but newer designs mount the entire motor weight in the bogie frame for better performance. This paper reviews condition monitoring methods for the DC motors in order to apply an effective condition monitoring method for the 3 kV DC traction motors. There is also mention of switched reluctance motors in electric vehicles due to their excellent torque–speed characteristics that are very much in alignment with the demands of traction. jolietelectricmotors. The terminals used in it are as followed: 1. indssiuxoshwfgmjixnjqpxsujpvhhozelcegktrtkwpuhq