Stator

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The stator is the stationary part of a rotor system, found in an electric generator, electric motor and biological rotors. (Wikipedia.org)






Conferences related to Stator

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IECON 2014 - 40th Annual Conference of the IEEE Industrial Electronics Society

Applications of power electronics, artificial intelligence, robotics, and nanotechnology in electrification of automotive, military, biomedical, and utility industries.


2012 IEEE Student Conference on Research and Development (SCOReD)

Communication, RF & Microwave, Lasers & Optics, Computing, Control & Robotics, Power&Energy, Electronics, Biomedical Engineering & Science, Circuit, System & Instrumentation, Computational Intelligence, and Humanitarian Technology.

  • 2011 IEEE Student Conference on Research and Development (SCOReD)

    - Automation, Mechatronics & Robotics - Business, Management & Finance in Industries - Computer Applications - Electronics & Circuits - Engineering Education - Engineering Management - Lasers & Optics - Network & Communications Technology - Power & Energy - RF and Microwave - Signal & Image Processing - Women in Engineering

  • 2010 Student Conference on Research and Development (SCOReD)

    A. Communication Communication and Networks Image and Speech Processing Security B. Computing Artificial Intelligence and Fussy Systems Microprocessor Optimization Techniques Soft Computing, Parallel Processing C. Control and Robotics Manufacturing Technology & Management Mechatronics and Sensors Process Control Robotics , Automation and Instrumentation D. Electronics and Circuits Biomedical Consumer and Industrial Electronics Microelectronics, MEMS Te

  • 2009 7th Student Conference on Research and Development (SCOReD)

    All aspects of Electrical Engineering. Technical Tracks: Communication, Computing, Control and Robotics, Electronic and Circuits, Lasers and Optics, Power and Energy, RF and Microwaves, Women in Engineering, Engineering Education

  • 2008 Regional Student Conference on Research and Development (SCOReD)

    All aspects of Electrical Engineering. Technical Tracks: Communication; Computing; Control and Robotics; Electronics and Circuits; Lasers and Optics; Power and Energy; RF and Microwaves; Women in Engineering; Engineering Education.

  • 2007 5th Student Conference on Research and Development (SCOReD)

    Power System, Energy, Communication, Control System, Electronics, Computing


2012 International Symposium on Power Electronics, Electrical Drives, Automation and Motion (SPEEDAM 2012)

Speedam is a place where experts of industrial and academic world can discuss together with user about recent developments and trends in the field of Power Electronics, Electrical Drives, Automation, Electrical Energy Management, Power Quality, Transportation. Within these areas, Speedam is aimed to identify relevant applications evidencing main problems and strategies.



Periodicals related to Stator

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Industrial Electronics, IEEE Transactions on

Theory and applications of industrial electronics and control instrumentation science and engineering, including microprocessor control systems, high-power controls, process control, programmable controllers, numerical and program control systems, flow meters, and identification systems.



Most published Xplore authors for Stator

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Xplore Articles related to Stator

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Development and design of spherical induction motors

F. C. Williams; E. R. Laithwaite; J. F. Eastham Proceedings of the IEE - Part A: Power Engineering, 1959

The first major development described is concerned with the arrangement of stator blocks. A previous paper described a system in which four stator blocks were arranged around the rotor. The new layout involves the use of only two blocks containing pre-skewed slots. The arrangement of the laminations and slotting is such that the two blocks can be rotated as a ...


Design and analysis of an outer-rotor parallel-hybrid-excited vernier machine

Wenlong Li; T. W. Ching; K. T. Chau Chinese Journal of Electrical Engineering, 2017

In this paper, an outer-rotor parallel-hybrid-excited vernier machine is proposed. In order to realize the parallel hybrid excitation, the homopolar configuration is adopted to artfully combine the permanent magnet (PM) flux path and the electromagnet flux path together. Firstly, the structure of the proposed machine is presented. Secondly, its operating principle is studied and discussed. Thirdly, its performance for flux ...


A Unique Solution to Improving Motor Winding Life in Medium-Voltage Motors

Walter R. Keithly; Samuel P. Axe IEEE Transactions on Industry Applications, 1984

It has been recognized for years that electrical motors installed in petrochemical plants require protection from condensation. Papers have compared different methods of preventing condensation from collecting in 600-V motor windings. These papers covered the advantages of directly heating the motor windings by introducing a low-voltage ac or dc source to the windings when the motor is not running. Their ...


Assessment of deterioration in epoxy/mica machine insulation

Y. J. Kim; J. K. Nelson IEEE Transactions on Electrical Insulation, 1992

Long-time accelerated aging tests in a laboratory environment have been conducted on generator stator insulation to identify meaningful diagnostic measures for the assessment of degradation and identification of aging mechanisms. A plurality of techniques are investigated and diagnostic parameter, the dynamic stagnation voltage, which appears to be correlated with delimination in the epoxy-mica structure, is proposed. The results provide a ...


Speed-changing induction motors. Further developments in pole-amplitude modulation

G. H. Rawcliffe; W. Fong Proceedings of the IEE - Part A: Power Engineering, 1960

An earlier paper has described the basic steps which led to a practical form of 8/10-pole induction motor, of good performance, having only one stator winding. The principle on which this speed-changing motor was based has been given the name of `pole-amplitude modulation¿. Since the publication of the original account of it, the principle has been further developed, and a ...


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Educational Resources on Stator

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eLearning

Development and design of spherical induction motors

F. C. Williams; E. R. Laithwaite; J. F. Eastham Proceedings of the IEE - Part A: Power Engineering, 1959

The first major development described is concerned with the arrangement of stator blocks. A previous paper described a system in which four stator blocks were arranged around the rotor. The new layout involves the use of only two blocks containing pre-skewed slots. The arrangement of the laminations and slotting is such that the two blocks can be rotated as a ...


Design and analysis of an outer-rotor parallel-hybrid-excited vernier machine

Wenlong Li; T. W. Ching; K. T. Chau Chinese Journal of Electrical Engineering, 2017

In this paper, an outer-rotor parallel-hybrid-excited vernier machine is proposed. In order to realize the parallel hybrid excitation, the homopolar configuration is adopted to artfully combine the permanent magnet (PM) flux path and the electromagnet flux path together. Firstly, the structure of the proposed machine is presented. Secondly, its operating principle is studied and discussed. Thirdly, its performance for flux ...


A Unique Solution to Improving Motor Winding Life in Medium-Voltage Motors

Walter R. Keithly; Samuel P. Axe IEEE Transactions on Industry Applications, 1984

It has been recognized for years that electrical motors installed in petrochemical plants require protection from condensation. Papers have compared different methods of preventing condensation from collecting in 600-V motor windings. These papers covered the advantages of directly heating the motor windings by introducing a low-voltage ac or dc source to the windings when the motor is not running. Their ...


Assessment of deterioration in epoxy/mica machine insulation

Y. J. Kim; J. K. Nelson IEEE Transactions on Electrical Insulation, 1992

Long-time accelerated aging tests in a laboratory environment have been conducted on generator stator insulation to identify meaningful diagnostic measures for the assessment of degradation and identification of aging mechanisms. A plurality of techniques are investigated and diagnostic parameter, the dynamic stagnation voltage, which appears to be correlated with delimination in the epoxy-mica structure, is proposed. The results provide a ...


Speed-changing induction motors. Further developments in pole-amplitude modulation

G. H. Rawcliffe; W. Fong Proceedings of the IEE - Part A: Power Engineering, 1960

An earlier paper has described the basic steps which led to a practical form of 8/10-pole induction motor, of good performance, having only one stator winding. The principle on which this speed-changing motor was based has been given the name of `pole-amplitude modulation¿. Since the publication of the original account of it, the principle has been further developed, and a ...


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IEEE.tv Videos

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IEEE-USA E-Books

  • Expert-System-Based Acceleration Control

    An acceleration control scheme for an induction motor drive is developed using an expert system approach. The acceleration increments produced by two different voltage vectors are compared to give an optimum stator voltage vector which is selected and retained. The on-line inference control is built using an expert system with heuristic knowledge about the relationship between the motor voltage and acceleration. The feasibility of the proposed system is validated by simulation studies.

  • Core Testing

    This chapter describes the main tests that are commercially available for assessing rotor and stator core tightness and stator core insulation condition. All of the conventional forms of these tests require the motor or generator to be taken out of service. The tests covered are: 1) knife test; 2) rated flux test; 3) core loss test; 4) low flux (El-CID) test. For each test, the purpose is described, as well as the types of machines it is useful for. The theory of the test and its advantages and disadvantages are also covered. Finally, practical guidelines on performing the test and interpreting the results are given.

  • The design and performance prediction of axial-flow turbines

    This chapter contains sections titled: 7.1 The sequence of preliminary design, 7.2 Blade shape, spacing, and number, 7.3 More-detailed design sequence emphasizing aircraft engines, 7.4 Blade-surface curvature-distribution effects, 7.5 Prescribed-curvature turbine-blade design, 7.6 Stator-rotor interactions, 7.7 Performance (efficiency) prediction of axial turbine stages, 7.8 Treatment of air-cooled turbines, 7.9 loss correlations, 7.10 Loss- coefficient data for axial-flow turbomachinery, 7.11 Turbine performance characteristics, References, Problems

  • Motor Protection

    This chapter contains sections titled: Introduction Induction Motor Analysis Induction Motor Heating Motor Problems Classifications of Motors Stator Protection Rotor Protection Other Motor Protections Summary of Large Motor Protections References Problems

  • New Machine Winding and Rewind Specifications

    One of the most important factors to achieve long rotor and stator winding life is the purchase specification of the machine, or in the case of an older machine, the specification of the rewind. This chapter focuses on what could also be considered for inclusion in a purchase specification to achieve the desired life and reliability. Technical specifications for new stator and rotor windings and for the refurbishment/repair of existing stator and rotor windings should have some basic content other than technical requirements. The specific requirements that could be included in a technical specification for a new form-wound stator winding rated 3.3 kV and above, which should give assurance of reliable service over the required life is discussed in the chapter. It talks about the possible requirements for inclusion in technical specifications for new and replacement round rotor and salient pole rotor windings.

  • Modeling of Wind Generators for Model Predictive Control

    This chapter discusses the modeling of wind generators from the model predictive control (MPC) perspective using common notation for both synchronous and induction machines. The active and reactive power reach rated values because of the rated load connected to the generator terminals. The chapter also presents modeling of various control variables, such as stator currents, stator fiux linkages, rotor speed, electromagnetic torque, and stator active and reactive powers, for both Synchronous generators (SG) and induction generator (IG). The predicted currents are compared with the reference currents to identify the power converter switching state that provides the overall minimal error among the three???phase currents. The rotor winding is connected to a converter through slip rings and brushes or brushless connection. Radial flux (RF)???permanent magnet synchronous generator (PMSGs) can be constructed with either inner or outer rotors, and the later designs can easily accommodate the multi???pole structure. The RF???PMSG offers simple and robust construction and is used by many wind turbine (WT) manufacturers.

  • Distributed Windings and Rotating Electric Machinery

    This chapter focuses on a complicated winding arrangement known as a distributed winding, which is often used in rotating electric machinery. In these machines, the goal is to establish a continuously rotating set of north and south poles on the stator, which interact with an equal number of north and south poles on the rotor, to produce uniform torque. The winding function has three important uses. First, it is useful in determining the MMF caused by distributed windings. Second, it is used to determine how much flux links a winding. Third, the winding function is instrumental in calculating winding inductances. The chapter talks about the air-gap magnetomotive force (MMF). It explains the calculation of inductances of distributed windings. The problem of the computation of leakage inductance of a stator winding and the problem of finding the resistance of a distributed winding are considered.

  • SynchronousMachine Modeling

    This chapter presents the basic dynamic equations for a balanced, symmetrical, three???phase synchronous machine with a field winding and three damper windings on the rotor. The synchronous machine model derived in the chapter was based on the initial assumption of three stator windings, one field winding, and three damper windings (1d, 1q, 2q). In addition, the machine reactances and time constants were defined in terms of this machine structure. The chapter proposes a fairly generalized treatment of nonlinearities in the magnetic circuit. The generalization is motivated by the multitude of various representations of saturation that have appeared in the literature. The chapter also analyzes the system under the condition of a linear magnetic circuit. In the chapter, the machine transformation and scaling were separated from the topic of the magnetic circuit representation. This is done so that it is clear which equations and parameters are independent of the magnetic circuit representation.

  • Stator Failure Mechanisms and Repair

    This chapter presents the main aging and failure mechanisms of stator windings, as well as the options associated with each mechanism for repairing the stator or altering its operation to extend winding life. The only failure mechanisms discussed here are those that are due to gradual aging of the winding. Each section will discuss the relevance of the failure process for both random- and form-wound stators. The symptoms for each failure mechanism are also described. These symptoms are observed with a visual examination of the winding (but no dissection of coils), and with some of the diagnostic tests described in a later chapter.

  • Motors

    This chapter discusses the basic design and construction of motors and reviews some of the safety requirements when dealing with motor circuits and their associated loads. Electric motors convert electrical energy to mechanical energy to perform work. Motors are a very important element in the operation of the auxiliary systems that support power plant operations. For example, in nuclear power plants that are of a pressurized water reactor (PWR) design, the primary coolant is circulated between the reactor vessel and the steam generator by a reactor cooling pump (RCP). This is a critical function performed by electric motors. The National Electrical Safety Code (NESC) requires some minimum safety precautions when dealing with motor circuits and the loads connected to the motors. The induction motor is constructed with a stationary winding (the armature) that is installed in slots of a stationary core (stator).



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