Pulse width modulation pwmbased simulation studies were employed for six phase induction motor using matlabsimulink software. Of all ac motor available, a poly phase induction motor is one which is most used in several kinds of industrial drives. Therefore, this chapter will focus on the design and implementation of a motor drive as well as its realization of control algorithm. Electric motor power measurement and analysis yokogawa. A fuzzybased controller of a modified sixphase induction motor.
Design of a decoupling strategy and parameter calculation for. The ac1, ac2, ac3, and ac4 models are based on the threephase induction motor. Simulation of 3ph induction motor in matlab with direct and. Six phase induction motor file exchange matlab central. After analyzing this document, the reader can easily integrate the reference design and associated. It is verylow cost but highly reliable gadget, besides being foolproof. Design strategy for a 3phase variable frequency drive vfd. One defines the magnetic flux generated by the stator, while the other corresponds to the torque as determined by the speed of the motor determined by the rotor. Assuming one wants a slower turning motor without changing the number of poles, 6 phases would be a plus.
In this study, a couple of methods of starting threephase motors will be discussed and compared through curves of currents, torque, speed, efficiency and power factor. Threelevel inverter fed six phase induction motor the fig. Svpwm based speed control of induction motor with three level. Aug 20, 2015 introduction to design high efficiency motor ansys maxwell 2015. Whether designing an electric motor for an electric vehicle that needs to be small, efficient and quiet, or for an industrial application where size and sound are not of major concern, it is critical to simulate electric motors early in the design process. Introduction to design high efficiency motor ansys maxwell 2015. Genetic algorithm based design optimization of a six phase. Analysis on the mathematical model of the sixphase. Flux or comsol are examples of softwaretools that can be used to study magnetic noise, caused by magnetic forces in the airgap, in induction motors. Six phase induction motor, variable frequency, vector. At this point, what we have described might sound complicated, but it is actually quite simple. Winding machine model a winding machine using the twoquadrant three phase rectifier dc drive block.
Three phase induction motor schematic depicting the dimensions and phase configurations of the original model. Explore a mechanical coupling of the ac4 dtc three phase induction motor based drive and dc2 single phase dualconverter dc motor drive blocks. Fieldoriented control foc, or vector control, is a technique for variable frequency control of the stator in a three phase ac induction motor drive using two orthogonal components. Washing machine threephase acinduction direct vector control. Three phase and six phase induction motor electromagnetic models are developed in twodimensions in the finite element method based software tool computer solutions comsol multiphysics. This circuit 3 phase induction motor starter is one such starter. Electric motor design software yeadon energy systems, inc. One singlephase wattmeter plus miscellaneous apparatus as needed. Because these motors typically only have an onoff state of operation, a vfd is needed if multiple operation speeds are desired.
Introduction cage rotor induction motor im is widely accepted as the most potential candidate for. In this thesis, multiple vectors synthetic svpwm control based on space vector control technology is proposed to sixphase pmsm. It is based on freescales 56f800e microcontrollers. Motor threephase 400v ac induction motor acim power supply specification for mcu 3.
Washing machine threephase acinduction direct vector control, rev. The dealer sticker on the model 3 in the showrooms indicate a three phase, six pole, internal permanent magnet motor. An electromagnetical model of an induction motor is developed in twodimensions in the finite. A 100kva, 240v, 1800 rpm six phase synchronous motor is supplied by a threewindings, three phase transformer connected to a 240v network with a shortcircuit level of 10 mva. Therefore speed control of induction motor is very important and also most essential one.
The fivephase machine was built based on a conventional threephase induction machine im that has been rewound to obtain a symmetrical fivephase induction motor with distributed windings. Learn more about its advantages, direct, indirect and sensorless foc. As we mentioned earlier, the design of windings in electrical machines depends on their voltage phasor diagrams. The application meets the following performance specifications. In this paper, it analyzes the research status of sixphase induction motors, introduces the winding structures of sixphase induction motors, and finally designs the vector. Threephase induction motor design with jmagexpress jmag. A 3 phase induction motor uses current delivered in three phases in a sequence into the coils of a stator to create a rotating magnetic field. You just need to enter a few preliminary inputs and click a button. The design of motor drive for brushless dc motor intechopen. Simulation of 3ph induction motor in matlab with direct and soft starting methods author. The ac1, ac2, ac3, and ac4 models are based on the three phase induction motor. An1660 a complete lowcost design and analysis for single. Bidirectional vf control of single and 3phase induction.
Basic isolated threephase compact power stage ref design. You should also make a dc measurement of stator winding linetoline resistance. Introduction this application note describes the design of a 3phase ac induction motor drive with volts per hertz control in closedloop vhz cl. The six step vsi induction motor drive block represents a classical openloop voltshertz control, six step or quasisquare wave drive for induction motors. Pdf simulation of six phase induction machine split winding. Understand how to specify the proper ac or dc motor for a machine design. Pdf squirrel cage induction motor design and the effect of. Figure 5 shows a technique that enables measurement of the phase parameters on a threephase threewire motor by creating a floating neutral. Insulation resistance as per is325, should be 1 mega ohm. Has anybody designed a six phase transmission line. The sixphase induction motor has several advantages over the conventional threephase drive such as improving the reliability of the harmonic reduction magnetic flux, minimizing the torque pulses, and reducing the nominal power of the static converter. Drm078, 3phase bldc drive using variable dc link sixstep.
For this reason, the design of the induction motor is of great importance. Study on sixphase permanent magnet synchronous motor control. Prototype six phase induction motor is tested like, two three phase stators sharing same shaft and same magnetic circuit and electrically separate. The induction motor model is created according to a group of standard equations current, voltage, power, efficiency, speed 1, p 388 or 2, p 167p 200 and values developed and edited in the laboratory.
The drive circuit consists of four classical three phase voltage source inverters vsis and each. Click on the printable brochure below to view additional information and screenshots for each bldc. Introduction in industries the motor control section is the dominant sector. The cons of a six phase motor are the increased cost of making the motor, and designing the generator and the distribution lines to supply the motor with six phases. Tesla model 3 motor everything ive been able to learn. Integrate the motor to a machine, based on analysis of motor equations for voltage, current, torque and speed. Sixphase synchronous machine with postfault operating. Yes electric motor design software enables you to design blds, universal, pmdc, shaded pole ac, and ac induction motors inhouse.
The sixstep vsi induction motor drive block represents a classical openloop voltshertz control, sixstep or quasisquare wave drive for induction motors. Electromagnetical model of an induction motor in comsol. Single phase induction motor adjustable speed control using. The main feature used in dsp and microcontroller is their peripherals to realize pulse width. The thermal analysis of the duplex threephase induction motor is performed using a lumped thermal network and finiteelement methods and compared to experimental results. Control of designed developed six phase induction motor. This reference design includes basic motor theory, system design concept, hardware implementation, and the software design, including the freemaster software visualization tool. It gives the relationship between electrical rating and physical dimensions quantities output of a 3 phase im is. In addition, single phase motors also have domestic use. Abstractin this project, the applications of vlsi in motor control is realized with two approaches.
The interactive software models various single phase induction motors, along with multispeed and 2 and 3 phase ac motors. Basic isolated threephase compact power stage ref design for. System design concept the system is designed to drive a 3phase ac induction motor. Motor analysis support tool, electric machine design toolkit, of ansys maxwell, performs in full automatic an efficiency map computation and speedtorque characteristic of a pm motor and realizes significant efficiency in development time by the function of displaying an efficiency map graph. Matlabsimulink model of sixphase induction motor in synchronous reference frame is presented. Additionaly, you are free to use any software listed below during your design stage. Compared with traditional threephase motors, sixphase induction motors due to their high reliabilities and low dc side voltages can achieve high power drives using devices with lower voltage level. Electric motor design software quickfield fea software. The power inverter has six switches that are controlled to generate threephase ac output from the dc bus.
Six phase induction motor is modeled in stacionary reference frame. Openphase fault operation on multiphase induction motor. Electromagnetical model of an induction motor in comsol multiphysics 241 we reserve all rights in this document and in the information contained therein. The three main design aspects like low power consumption, improved power factor and cost reduction are. Introduction to design high efficiency motor ansys maxwell. A single phase induction motor adjustable speed drive control is implemented with hardware setup and software program in c code. Brushless dc motor bldc and permanent magnet ac synchronous motors drives have many advantages such as high efficiency, small size, less rotor losses, and fast torque response over the induction motor drives. Design of a three phase squirrel cage induction motor for. The block obtains the stator supply frequency from the speed reference neglecting the slip frequency. Washing machine three phase ac induction direct vector control, rev. A 100kva, 240v, 1800 rpm sixphase synchronous motor is supplied by a threewindings, threephase transformer connected to a 240v network with a shortcircuit level of 10 mva.
The parameters i have for the design of the motor are. Figure 5 shows a technique that enables measurement of the phase parameters on a three phase threewire motor by creating a floating neutral. How to automate winding design in electrical machines with an. For vf theory and basic operations, refer to an887 mentioned above, and speed control of 3phase induction motor using pic18 microcontrollers an843. By employing finite element methods early in the design process, they can accelerate development and achieve higher machine efficiencies using less material, which reduces costs. The motor and application control block is based on microprocessor software. This motor has a threephase winding at the stator and a wound rotor or a. Operating principle of a six phase induction motor.
Then, the speedposition is not measured directly, but employs some indirect techniques to estimate the rotor position instead. But i am not able to understand how the motor operates i. The three phase induction motor is connected to a three phase inverter bridge as shown in figure 2. Mathematical modelling of the six phase squirrel cage induction machine. His document describes the design road taken when looking at a 3phase variable frequency drive vfd. I have seen in many ieee magazines that, a six phase induction motor is having two 3 phase windings spatially separated by an angle of 30 degrees electrical. I have attached the 6 phase induction motor diagram. A lowcost solution is delivered, complete with a bill of materials bom, schematic, code and pcb artwork files. During the design, according to the parameters given as input, there are many situations that are contradictory to each other in order to. Svpwm based speed control of induction motor with three. Power transmission engineer lionel barthold explains how 3 phase, 6 phase, and 12 phase power works, advantages, disavantages, and hopes for the future. Thermal analysis of duplex 3phase induction motor under. Three coils are placed on the stator of squirrelcage threephase induction motor which they have phase difference with each other 120 degrees.
Abstract the paper presents a software development strategy for the design of three phase squirrel cage induction motors in windows programming platform. It was a converted double circuit line using wyedelta and. Induction motor, locked rotor torque, power factor, efficiency, genetic algorithm 1. Therefore, electric motor design software should combine all these types of analysis, and is often based on the finite element method. Oct 22, 2011 power transmission engineer lionel barthold explains how 3 phase, 6 phase, and 12 phase power works, advantages, disavantages, and hopes for the future. The discussion will be based on a matlab simulation of different loading cases of the induction motor. Pwm signals generated from the microcontroller mcu control these six switches through an isolated gate driver. How to automate winding design in electrical machines with. Studies on implementations and designs of dsp in the six.
This paper thus presents the model and described in detail the simulation of a six phase split winding induction machine in a matlabsimulink. This frequency is used to compute the stator flux position necessary to generate the sixstep pulses. Quickfield is efficient motor design software and you may find more information and examples about this here. Simulation results of faulty machine under open circuit condition. This paper investigates a six phase asymmetrical or dual three phase induction motor with openend stator windings configuration, as shown by fig. How to design a single phase induction motor physics forums. It will work well on the input to an induction motor, a synchronous motor, or a similar motor without a variable speed drive. The power inverter has six switches that are controlled to generate three phase ac output from the dc bus. Threephase induction motor schematic depicting the dimensions and phase configurations of the original model. Pdf winding design, modeling, and control for polephase. Control engineering new design software for induction motors. Power sharing algorithm for vector controlled sixphase ac.
Unlike three phase machine, six phase machine model contains two stacionary ortogonal. One single phase wattmeter plus miscellaneous apparatus as needed. Pdf sixphase voltage source inverter driven induction motor. The rotor is set apart from the stator by an airgap which is design to be as small as possible 0. The difference in speed between rotor, the synchronous speed and the rotating magnetic field is called the slip. Prototype six phase induction motor satisfies this test, i. Simulation of 3ph induction motor in matlab with direct. Record all nameplate information for the induction motor. Phase induction motor model design in ansys rmxprt maxwell 2d3d duration.
Design program, objective function and constraints. Threephase and sixphase induction motor electromagnetic models are developed in twodimensions in the finite element method based softwaretool. A 3phase induction motor uses current delivered in three phases in a sequence into the coils of a stator to create a rotating magnetic field. Implement sixstep inverter fed induction motor drive. I have some questions and it would be great if you could help me. Modelling and analysis of higher phase order hpo squirrel cage. Implement the motor and accompanying rotary sensor into a motor control circuit in both hardware and software. The hot topic of motor temperature the chief enemy of an electric motor s insulation system is heat, so you want to be sure the motor stays within limits for long winding life. Engineers who design electric machines need simulation tools that can be employed for quick, accurate product development. I will introduce an example of threephase induction motor design using. Very few examples of design of multiphase induction motors can be found. Yes currently has the following motor design software available.
The software technologies used are visual basic 6 for form design and coding. This induces an electric field in a coil or squirrel cage to drive a rotor. 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. The threephase induction motor is connected to a threephase inverter bridge as shown in figure 2. The inverter is a transistorized sixstep voltage source inverter, while the motor is a modified standard threephase squirrelcage. This fivephase machine is driven by two conventional semikron sks22f threephase twolevel voltage source inverters vsis, connected to an. In particular, this system uses six switches where three are in series with the projects supply terminals while the rest are connected in such a way that they offer a. Priorities in selecting such machines over symmetrical version are described in refs. A sixphase sixstep voltagefed induction motor is presented. When the stator windings are connected to a threephase balanced network, a.
Maxwell2d design software is used as finite element analysis tool to design and model the performance of 5 hp, 4pole, 2400 rpm induction motor. To use the ac drive models of the electric drives library, you first specify the types of motors, converters, and controllers used in the six ac drive models of the library designated ac1 to ac6. A normal operation condition is compared to the opencircuit fault condition. New design software for induction motors lebanon, o. An optimally designed sixphase induction motor 6pim is compared with an initial.
Frequency domain simulation result obtained magnetic field density comparison between three phase and six phase induction motors. In this paper, it analyzes the research status of six phase induction motors, introduces the winding structures of six phase induction motors, and finally designs the vector control system for six phase induction motors taking the digital signal processor dsp as the core. Full load is initially applied to the shafts machine and the excitation voltage is set to 0. These motor drives are designed to be used in conjunction with a 3phase induction motor.
Whereas, for multiphase motor, especially the double y shifted 30, the control methods mostly use two threephase motors drive control method, or threephase motor simple extension of vector control. Jan 31, 2015 power optimization using six phase transmission system considerations for future design 22department of electrical engineering, s. Washing machine threephase acinduction direct vector. The electric vehicle is a powerdriven vehicle, and with the increasing tense of resources in modern society, it has important significant for the development and application of electric vehicle. Threephase and sixphase induction motor electromagnetic models are developed in twodimensions in the finite element method based softwaretool computer solutions comsol multiphysics. This paper introduces the common types of electric vehicles, and studies the control techniques of sixphase induction electric machine. This paper focuses on design, development and testing o f six phase prototype induction motor and then the control of same motor is discussed. Prototype six phase induction motor control is done as explained below. Department of electrical engineering dit, university, dehradun, uttarakhand references.
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