Attaching a few pictures of motor stator, slots, rotor, in order to detect and avoid erroneous measurements, is always a good practice. Most stators are designed in a way that allows the application of different winding processes. We have to imagine that we are inside the stator, somewhere near the. The stator construction of the fullmetal cut which is internally slotted constitutes the only exception. In this paper, a design optimization method is proposed. This test allows designers to estimate the breakdown voltage of a products design and to see where the breakdown occurred.
The slip ring 3phase induction motor is in progress by including resistances, thus the slip ring induction motors stator winding can be associated in star otherwise delta form. How software assists designing motors and generators. Most notably, it now has the ability to connect to a live, everexpanding online database of more than 250,000 windings. Ecms patented technology for axial gap motors eliminates the need for wire winding and iron laminations used in conventional motors by embedding copperetched conductors into a multilayered printed circuit board to form a stator that works in conjunction with permanent magnets.
Be one of the first to own the future of micromobility. Cnc 200mm coil winder mk2 mini coil winder mk2 custom coil winders. About the ac electric motor design software the software has been developed keeping in mind to give our design engineers and professionals more flexibility while they are designing a squirrel cage ac electric motor. Design considerations for endwinding vibration monitoring. Most designers have steered clear of accurate finite element analysis fea software because of the steep learning curve and lengthy. In order to finish this project one must be familiar with all three components. Bobisoft is a software for redesign, analysis and optimization of ac motor. Stator design considerations cogging torque air gap stator cooling robust design of stator 49 50. Generally two types of winding are commonly used for stator of three phase induction motor. Designing of three phase squirrel cage induction motor for.
Introduction it is seldom that a generator manufacturer will produce the stator bars from the raw material copper ore. How to wind threephase stators selfpaced, highly focused, computerbased training for winding technicians. Design specification considerations for stator endwinding. Integrated engineering software offers a perfect blend of tools to meet following challenges with a coil and winding editor.
Pdf in order to facilitate the redesign process of the motor stator windings and to help repairersrewinders improving the motor efficiency, a. Design and development of three stator 343 power consumed due to eddy currents, copper losses and poor power factor are considerably reduced 11. How to automate winding design in electrical machines with an app. The optimal design of a multiflux stator winding to improve motor. Pdf software tool for fast and optimized stator winding design. Electric motor design software yeadon energy systems, inc. Design and development of three stator winding induction. Aug 29, 2012 the research group at energy system research laboratory has conducted extensive research on the common stator project. Software manual for the coil winding arm controller software. Industrial electric motors and generators menu electric generators suppliers. Stator winding is made up of former wound coils of high conductivity copper of diamond shape. Most generator manufactures acquire insulated or no insulated copper strands as the raw material for their bars.
How to automate winding design in electrical machines with an. Coil and winding design integrated engineering software. Introduction to ac machine design, 2 ed university of wisconsinmadison. Cogging torque cogging torque is one of inherent characteristics of pm motors, resulted from the interaction of the pm mmf harmonics and. This web based online design tool is very much user friendly. The research group at energy system research laboratory has conducted extensive research on the common stator project. The stator is located inside the housing of the alternator and stays stationary hence the. The first copy of this software is free to active and allied members. Design specification considerations for stator endwinding vibration monitoring and sensors. In its simplest form, the threephase, random wound stator winding process consists of removing an existing. This can be distributed full pitch winding, distributed fractional slot winding or toothcoil winding. The stator contains a specific number of coils, each. Bobisoft software has been specially developed for the design and comparative analysis of threephase windings of lowvoltage induction motors. Coupling heat with electromagnetics verifies that rotor and statorwinding temperatures are below the maximum allowed insulation.
Number of stator slots must be properly selected at the design stage as such this number affects the weight, cost and operating characteristics of the motor. Software tool for fast and optimized stator winding design of threephase induction motors 1. Low voltage tests on formwound stators, such as inductance or inductive impedance tests, can detect if the turn insulation is shorted, but not if it is weakened. Ecms patented technology for axial gap motors eliminates the need for wire winding and iron laminations used in conventional motors by embedding copperetched conductors into a multilayered printed circuit board to form a stator. Comprehensive list of free machine design softwares. Design and development of three stator winding induction motor. The stator is located inside the housing of the alternator and stays stationary hence the name.
Magnetic circuit information, including flux densities and mmf drops, mechanical information, weights, inertias, winding information including copper weights, resistance, slot fill, speedtorque, current, efficiency, losses, motor constants, and cost data of design. In preparing a winding diagram with these calculations in mind, the requirements are not quite the same as when preparing an engineering drawing for use in a windingshop, yet there must be a high degree of consistency throughout all these processes, and ideally a suite of design software should handle all these aspects equally thoroughly. To automate winding design in electrical machines, you can combine the. Design considerations for end winding vibration monitoring. Winding service and design winding data calculation. It varies between 5000 450000 ampere conductors per meter. Swatem is a software for designing and analyzing of windings systems for electrical machines. Windings is the world leader in the design and manufacture of custombuilt stators, rotors and motor assemblies.
About 6% of these are electrical wires, 0% are gasoline generators, and 12% are alternative energy generators. Electric generator electric generator stator windings. Most of the time we glance at the user manual once, and then we put that little booklet away in order that we are able to still find it easily whenever we have to have it. The straight coil design of the tlam stators eliminate this need to skew the stator slots, and as a result puts less strain on the wire during assembly. Jan 04, 2017 stator design considerations cogging torque air gap stator cooling robust design of stator 49 50. Secondly it is much easier to insulate the stationary armature winding for high voltages which are normally in the region of over 30 kv. Software tool for fast and optimized stator winding design. The low speed alternator design will take an alternator, and through a few tweaks of the generator, will be usable for low speed applications. The insulation on the strand can be yarn or fibre glass based on the design temperature range 1550c to. The winding calculator allows you to find the optimum winding layout for your electric motor in a fast and convenient way. Coupling heat with electromagnetics verifies that rotor and stator winding temperatures are below the maximum allowed insulation. Ecms patented technology for axial gap motors eliminates the need for wire winding and iron laminations used in conventional motors by embedding copperetched conductors into a multilayered printed circuit board to form a stator that works in. Ps622 the analysis of generator stator winding parallel branches circulating current on rotor winding interturn short circuit fault.
The common stator concept for electric machine designs. Motorsolve im winding layout mentor infolytica youtube. The software has been developed keeping in mind to give our design. Stator coil winding software free download stator coil. Cogging torque cogging torque is one of inherent characteristics of pm motors, resulted from the interaction of the pm mmf harmonics and the air gap permeance harmonics due to slotting. For online end winding vibration monitoring, it is necessary to permanently install fiber optic accelerometers on the motor or generator stator end windings. Emetor is a collection of valuable resources for designing electrical motors and generators. The main research effort, within this collaborative project, identified for fiu, is to design a common stator frame for surface mounted pm synchronous machines and wound rotor synchronous machines. This means that there is 60 of separation from the bottom of one stator slot to another. Click on the printable brochure below to view additional information and screenshots for each. These windings must be properly arranged such that the induced emf in all the phases of the coils must have the same magnitude and frequency.
A typical ac generator consists of a stationary stator and a rotor mounted within the stator see below. Enhancing the design of electric machines through the. Yes electric motor design software enables you to design blds, universal, pmdc, shaded pole ac, and ac induction motors inhouse. Swatem swatem is a software for designing and analyzing of windings systems. The choice of the respective winding process is primarily based on the design and setup of the stator as well as the commercial aspects. Currently supported are rotating field windings permanentmagnet motors, induction motors, synchronout reluctance motors with any number of phases. Enhancing the design of electric machines through the interaction of software tools. Electric supply is given to stator winding which produces rotating magnetic fields which rotates the rotor along with. Stator coil winding software free download stator coil winding. If the turn insulation fails in a formwound stator winding, the motor will likely fail in a.
Ps4 33 electric machinery winding design software a tool. The efficiency of an induction motors ranges between 0. This version of the easa motor rewind database software takes a large leap forward with the data that it provides members. Electric motor design software yes currently has the following motor design software available. In order to facilitate the redesign process of the motor stator windings and to help repairersrewinders improving the motor efficiency, a software tool was developed in 2004, named bobisoft. In order to facilitate the re design process of the motor stator windings and to help repairersrewinders improving the motor efficiency, a software tool was developed in 2004, named bobisoft.
Stator coil winding software gncutter cutting optimizer for pda v. Software for threephase induction motor stator winding design. If the turn insulation fails in a formwound stator winding, the motor will likely fail in a few minutes. Design of stator winding design of synchronous machines.
Thus the turn insulation is critical to the life of a motor. The figures below show images related to stator assembly and the arrangement of coils etc. Basically the design of electric motor involves the study of the voltages designing of three phase squirrel cage induction motor for. Get an explanation of electrical machine design terms. Used internationally and trusted by traders, investors, hedge fund managers, selfmanaged superannuation administrators, speculators, accountants and anyone wanting an edge in todays financial markets. Bobisoft is a technical software to design and optimize threephase windings of induction. Harley and yao duan georgia institute of technology november, 2009. As there are no rules for selecting the number of stator slots, the advantages and disadvantages of. The end results are the most useful for when your planned tesla coils lc resonance frequencies dont match.
The art of design lies in suitable and economic distribution of space to iron, copper, insulation, stator diameter, rotor dimensions, windings and airgap in the machine. In preparing a winding diagram with these calculations in mind, the requirements are not quite the same as when preparing an engineering drawing for use in a winding shop, yet there must be a high degree of consistency throughout all these processes, and ideally a suite of design software should handle all these aspects equally thoroughly. Motor consists of a stator, a rotor, a shaft, bearings, cooling fan, the stator has winding, the rotor has winding or a copperaluminum cage. Teslacoiler helps build tesla coils by solving the mathmatical aspects of one. The energy conserving three stator winding induction motor is. You can investigate threephase integerslot, fractionalslot and concentrated windings, both with single and double winding layers where appropriate. The main contribution of this paper is that a novel stator configuration is proposed, which is beneficial for superconducting machines. Well then demonstrate how to further advance your simulation studies by automating these processes with the application builder.
About the ac electric motor design software softbitonline. Oct 26, 2016 using an induction motor benchmark model with a concentrated winding, well show you how to create selections in the comsol multiphysics software to streamline the analysis of your winding design. Ps433 electric machinery winding design software a tool for teaching and. Repair and design of electrical machines, induction motor rewinding, electric motor design. Winding design, modeling, and control for polephase. Electrical induction motor winding design software just about everything that you just find or searching incorporates electrical induction motor winding design software. Stator is featurerich, comprehensive portfolio management software for windows. It will adjust specific parts of tank circuit to match.
The effective, or rootmeansquare rms, voltage induced in one turn of a stator coil in a 2pole, 60hertz generator is about 170 volts for each metre squared of. Software tool for fast and optimized stator winding design of. Optimized stator design segmented lamination technology increases motor efficiency, power and compactness al presher, contributing editor design news, april 1, 2010 thermal efficiency, defined as the motors power output for a given temperature rise, is an important factor in brushless motor performance. The stator scooters groundbreaking design is not only an engineering marvel, but its primary benefit lies in its ecofriendly design and opportunities to impact local transportation on a global scale. Emetor free resources for electrical machine design. This paper presents an electromagnetic design of a permanent magnet superconducting wind power generator with different stator teeth structures and armature winding arrangements. Electric supply is given to stator winding which produces rotating magnetic fields which. Send motor data to easa using the ac motor verification. The main components of an alternator are the rotor, the stator, and the rectifying circuit. Custombuilt electric motorgenerator assemblies windings.
Stator design aspects for permanent magnet superconducting. The maximum value of flux density in the air gap is limited by magnetic saturation in the stator and rotor iron, and is typically about one tesla weber per square metre. Winding design, modeling, and control for polephase modulation induction motors. A wide variety of generator stator winding options are available to you, such as conductor material, output type, and type. The value of ac depends upon the size of the motor, voltage of stator winding, type of ventilation and overload capacity desired. Easy to predict motor performance for a three phase design, notoriously.
This documentation applies for use of the software on the following machines. How to automate winding design in electrical machines with. Ps531 research on stator winding interturn short circuit fault of cage induction. The stator frame is used to hold the armature windings in alternators, and in case of larger diameter alternators which are slow speed the stator frame is cast out of sections and there are holes for ventilation in the casting itself.
369 157 677 625 1442 1108 832 182 1231 784 833 715 1305 54 1480 156 1504 1249 1254 591 48 979 780 1432 463 3 14 772 771 741 1418 666 987 571 387 1175