While the vast majority of electric motors currently in circulation are radial flux designs, magnax claims the key to the high power density its achieving is the direct drive axial flux design. Which is the best software to design pmdc and bldc motors. May 15, 2019 a new windshield wiper motor offers high torque in a small package, showing promise for heavyduty vehicles with tight space constraints. Can someone please guide me on how to design an electric motor. The only alternative is to convert a gas driven car to electric, while at the same time, install a bad ass torque spewing electric motor. The operation beyond the base speed up to the maximum speed is limited to this constant power region. Chuang yu view energy losses in the electric motor of a highspeed spindle. Nema a, b, c and d electrical motor design nema has established four different designs a, b, c and d for electrical induction motors. The viper3 geared motor is said to be quieter, lighter, and more efficient than existing conventional units, while offering 120 nm of torque in a package envelope thats 15%25% smaller. Warp electric motor high torque electric motor for ev. Finite element method magnetics these are probably not the best but absolutely free. The driving force of an electric motor is torque not horsepower. Drive design in electric vehicles electrical engineering portal.
How to design an electrical motor for a given power, torque and speed. Unfortunately, the high end and high priced ev is beyond my reach. These induction motors require special attention during its design process boldeo and nasar 2002. You just need to enter a few preliminary inputs and click a button. In my practical application requirement i want higher torque and at lower speed motor is it possible to design a normal permanent magnet dc motor to a high torque dc motor with change some. The electric machines have been applied to the industrial and commercial areas for several decades. Screenshot of motorcad electric motor design software, now available from ansys.
Motor analysis support tool, electric machine design toolkit, of ansys maxwell, performs in full automatic an efficiency map computation and speed torque characteristic of a pm motor and realizes significant efficiency in development time by the function of displaying an efficiency map graph. During the brushless dc motor design phase, portescap engineers aim to optimize the brushless motor torque. Weight lbs, linear velocity ftmin, speed of driving motor rpm, change in speed rpm, and time to accelerate total system sec in addition to the torque required to drive the load at a steady speed, torque is required to accelerate the load. Linear labs magnetic torque tunnel electric motor tech. Motorcontrol software is also a key design challenge. It used sizing equation and finite element analysis fea. Later, the software was transformed into a design tool for induction motors in 2014. Magnax prepares to manufacture radically highpowered. Apr 02, 2009 ac electric motor design software1 author. It can also lower costs, simplify designs, and reduce wear. Desired output characteristicsc of electric motor drives in evs.
Get an explanation of electrical machine design terms. Electric motor design software quickfield fea software. Multiple drive systems per vehicle can be supported due to the safety case and levels of torque integrity employed. At this speed, the motor reaches its rated power limit.
Designers guide to highperformance motor control for. These motors provide a servo actuator that can be attached directly to the driven load. An electric motor is an electrical machine that converts electrical energy into mechanical. Renewable energy, known also as green or clean energy, is derived from. May 30, 2018 cooling is key with any high powered electric motor thats expected to do consistent work, and axial flux designs tend to suffer in this regard, since their stator windings are sandwiched between.
Therefore, electric motor design software should combine all these types of analysis, and is often based on the finite element method. Motorwizard is electric motor design and simulation software for solidworks users. Oct 23, 2017 i would recommend you to take a look at emetor. Different motors with the same nominal horsepower may have different start current, torque curves, speeds and other variables. Motor design ltd is delighted to announce the release of motor cad v12 the latest version of our unique software package dedicated to the electromechanical performance of motors and generators and the optimisation of their cooling. Afpm motor is a hightorquedensity motor easily mounted compactly onto a vehicle wheel. Quickfield is efficient motor design software and you may find more information and examples about this here. Makermotor 38 d shaft 12v dc reversible electric gear motor 50 rpm. The main factors that help define the drive design of brushed dc motors are its advantages, which include simplicity of construction, ease of driving and speed control, and high starting torque. Motor torque is the amount of rotational force that a motor generates during operation.
Design of a three phase squirrel cage induction motor for. Linear labs impressive new circumferential flux motor design uses four rotors where other motors typically run one or two and a software reconfigurable, multicoil stator, enclosed in a 3d magnetic torque tunnel to maximize efficiency even at high speeds. Ansys adds motorcad to electric machine design portfolio. The torque is the twisting force that makes the motor running and the torque is active from 0% to 100% operating speed. New electric motor design massively boosts power, torque, and. The most common equation for powerbased electric motors on torque and rotational speed is. The eci family is available in several sizes, each in a standard version and a hightorque version, with a maximum nominal torque of up to 110 mnm at 75 w. Aircraft electric general electric motor design and construction discussion very hightorque motor design electric motor design and construction discussion very hightorque motor design. A wide variety of high torque electric motor options are available to you, such as ce, ccc, and ul. Nextrox mini 12v dc 60 rpm high torque gear box electric motor electric fan motors. This tutorial will introduce the user to the fundamental electrical and mechanical principles of ac electric induction motor design and application. The high performance of control and fast dynamic response of electric machines can be achieved via motor drive because of high development of semiconductors such as the microcontroller and power transistors.
Electric motors produce linear or rotary force torque intended to propel some. Motor design considerations and test results of an interior. Machines free fulltext electromagnetic analysis and design. Electric motors offer the horsepower required to drive a machine, which is typically referred to as electric motor load. We can deliver a 25% improvement in efficiency and a major increase in performance. Selecting a higher value of lcm minimizes the cogging torque. Equipmake announces the worlds most powerdense electric. This paper describes the high performance motor design of an interior permanent magnet synchronous motor ipm motor for electric vehicles. Makermotor 38 d shaft 12v dc reversible electric gear motor. How to design an electrical motor for a given power, torque and. When selection a particular motor for an intended task all engineering parameters must be taken into account. Motors and generators electromagnetic and magnetic software.
How to design an electrical motor for a given power, torque. As the saying goes, these motors are oldies but goodies and continue to be viable solutions where relatively high torque and low speed, pancake type motor configurations are required. It must make decisions about what torque to demand from each motor at each instant, based on the vehicles condition and the drivers commands. The rbe series from kollmorgen is a proven platform offering many years of direct drive motor solutions. Instantly calculates motor design parameters such as torque profile, efficiency. Electronic magnetic gearing emg is our patented magnetic gearing technology. Under the normal mode of operation, a typical electric motor drive designed for industrial applications can provide constant rated torque up to its base or rated speed. Torque motors do the trick directdrive technology seems to be an ideal way to increase productivity, accuracy, and dynamic performance. If you want to buy cheap high torque dc motor, choose high torque dc motor from.
Aug 11, 2019 longtime slashdot reader namarrgon writes. Direct drive dc torque motors are ideal for servo applications where it is desirable to minimize size, weight, power and response time, and to maximize rate and position accuracies. The key components involved in producing torque are the magnet, the winding and the flux path. Nextrox mini 12v dc 60 rpm high torque gear box electric motor. Click on the printable brochure below to view additional information and screenshots for each. The alternating current ac electric induction motor has been an industry workhorse for electromechanical conversion for over 100 years. It endeavors to provide the products that you want, offering the best bang for your buck. Yes electric motor design software enables you to design blds, universal, pmdc, shaded pole ac, and ac induction motors inhouse. There is a limit to a simple, inexpensive gearbox of. We made patented hardware and software improvements, drawing on the cuttingedge technologies used in mobile computing and electric vehicles to provide intelligent controls. Yes, high speed motors need special design, but the holy grail is moving in the other directionhigher torque for the same power output. New electric motor design massively boosts power, torque, and efficiency. The power produced by the motor depends on the speed of the motor and is. Ac electric motor design software softbit presents an easy way to design lt, 3 ph, tefc, squirrel cage ac electric motors with the help of ac electric motor design software.
Electric machine transducer for converting electrical energy to mechanical. If requirements are not known, elaphe can perform a feasibility study to suggest a set of solutions that you can choose from. Endurance marine specialty capstandrum winch with 12 volt, 2. High torque motor development and optimization we can completely customize the electric traction motors based on your requirements by finding the optimum combination of parameters for the motor design. Is it possible to design a motor with high torque and low. High torque stepper motors kollmorgen stepping step. The electric tail rotor system comprises a lightweight and compact electric motor connected via cables to power electronic converters which act to condition and control the power feed to the electrical machine. In all versions, the eci 30 motors can be expanded with encoders, gearboxes, servo controllers, or positioning controllers fig. Under normal circumstances, running two motors instead of just one is straightforward. Electric motor design software yeadon energy systems, inc.
Emetor free resources for electrical machine design. Hightorque motor development and optimization elaphe. Which is the best software for designing electrical motors. How to design an electrical motor for a given power, torque and speed requirement. Instantly calculates motor design parameters such as torque profile, efficiency, backemf, torque speed curve. Eletad motor design limited motor design cad software. Brushless dc motor bldc and permanent magnet ac synchronous motors drives have many. Our combination of motor design with software control produces a much more efficient method of electric propulsion at various torque and speed levels. A preliminary design is a doublesided slotted afpm. I would like to know about software that can be used for designing pmdc and bldc. The authors examined the differences in motor characteristics based on how the magnets were embedded. The traction motor is suitable for a range of vehicle applications, from medium size passenger cars to light duty commercial vehicles. Electric motor design engineering the electricity forum. Motorcad is the worldleading dedicated electric motor design software.
Ansys electric motor design flow provides a complete virtual prototyping. Comprehensive list of free machine design softwares. Inwheel motor systems will propel ev performance power. Electric motor and generator design software emworks. Design and simulation of a 3 phase pm axial flux generator for w. If you are looking for a high torque electric motor, should you choose a dc or ac motor. Motor characteristics, whether its a dc, ac, or stepper motor, will determine the design of the motor drive. A primary consideration for induction motor designer is the design of motor with high starting torque, better efficiency and power factor. The smc motor utilizes the design simplicity and optimal performance characteristics of the switched reluctance motor. Whatever high torque dc motor styles you want, can be easily bought here. Reduced future reliance on hydraulic and oil based systems. Electric motor design software yes currently has the following motor design software available.
379 500 959 520 105 996 481 529 580 845 827 692 616 1045 830 253 480 945 1451 28 375 978 113 168 407 1623 443 360 535 106 932 78 674