A design program for superconducting electrical machines by David Greeneisen

Cover of: A design program for superconducting electrical machines | David Greeneisen

Published by Massachusetts Institute of Technology .

Written in English

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Open LibraryOL25181560M

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Superconducting Electrical Machines State of the Art Article (PDF Available) in Przeglad Elektrotechniczny 85(12) December with 4, Reads How we measure 'reads' Compared to traditional machines, superconducting electrical machines have significant advantages, i.e: improved weight and dimensions, higher efficiency, lower values of inductive parameters, reduced noise level, greater stability when operating in electrical networks [1].

The development of superconducting   Applied High-Tc Superconducting Electrical Machines Tsutomu Hoshino, Itsuya Muta, Taketsune Nakamura, Graduate School of Engineering, Kyoto University, Sakyo-ku, KyotoJapan [email protected] ABSTRACT  › 百度文库 › 说明书.

This manuscript presents a new design for superconducting linear motor (SLM). cannot be easily achieved by conventional electrical machines.

The sizing procedure of an SCLSM able to launch BOOK REVIEW Superconducting rotating electrical machines--J. Bumby (Oxford: Clarendon press,xvii + pp.) Reviewed by Carl FlicK, Westinghouse Electric Corporation, Steam Turbine   @article{osti_, title = {Superconducting turbogenerators as a new generation of high-rated electrical machines}, author = {Glebov, I A and Chubraeva, L I}, abstractNote = {Development of turbogenerators is associated with improvement of their cooling system, efficiency, size and weight parameters and operating characteristics.

Application of cryogenic cooling and superconducting A high-efficiency super drive system (HESDS) for next-generation coastal ships, which has very high efficiency compared with the conventional system, was proposed here.

Fundamental electric designs of and [kW], [1/min] HTSM (high-temperature Superconducting synchronous motors) for GT commercialized containerships with HESDS were carried out using a developed design ://   The machines which are operated in relation with electrical energy are called electric machines or electrical electrical machines, either input or output or both can be electricity.

Types of Electrical Machines. The electric machines are of three main types, transformer, generator, and motor.

Electrical Transformer: In the transformer, both input and output are electrical :// Introduction to AC Machine Design includes one chapter each on the design of permanent magnet machines, synchronous machines, and thermal design. It also offers a basic treatment of the use of finite elements to compute the magnetic field within a machine without interfering with the initial comprehension of the core subject  › Books › Engineering & Transportation › Engineering.

Free PDF Books: Download Engineering Books Free online Pdf Study Material for All MECHANICAL, ELECTRONICS, ELECTRICAL, CIVIL, AUTOMOBILE, CHEMICAL, COMPUTERS, MECHATRONIC, TELECOMMUNICATION with Most Polular Books Superconducting machines offer the possibility of much more compact machines, but the high cost of HTS wire to date has prevented their application to a cost sensitive market such as wind ://   D.

Electrical Machines; 1. Superconducting machines 2. Permanent magnet machines 3. AC machines and their applications 4. Electrical machine design and modeling 5.

Special machines and electromechanical devices 6. Electric car; E. Magnets; 1. Superconducting magnets and systems 2. Current leads 3. Permanent magnets 4. Electromagnets This paper presents a novel high-speed alternating current (AC) homopolar motor/generator design using stationary ReBCO excitation windings.

Compact, lightweight, high-efficiency motors and generators are sought for a multitude of applications. AC homopolar synchronous machines are an ideal choice for such applications as these machines enable very high rotational :// G. Bogner, “Transmission of Electrical Energy by Superconducting Cables” in Superconducting Machines and Devices, Large Systems Applications, Plenum masson et al.: 3d sizing model for all-superconducting machines for aircraft propulsion The winding configuration is stored in a few parameters and functions are created to output the This paper mainly investigates the optimal design of a novel magnet structure of open-type superconducting magnetic resonance imaging (MRI) device.

In order to obtain multiple optimization design objectives including high homogeneity in the imaging region, high magnetic field strength as well as low cost, a two-step optimization strategies are carried out, in which orthogonal design (OD) is It is shown that the electromagnetic theory of the superconducting AC machine is very close to that of the surface-magnet permanent-magnet synchronous machine.

Methods for calculating the EMF and synchronous inductances are practically identical and almost interchangeable. It is not only possible to use related algorithms for design calculations, but the results are readily compared in a form   • Design and engineering stage: The drawings at the designing stage are a tool for data representation for the design engineers as the designer conveys the information in the form of design.

During detailed engineering stage the drawing helps the   create a new symbol for the electrical design plan, as long as it is added to the symbols list included with the plan.

Electrical design plans may be included as a separate document within a complete set of build-ing plans. To identify the electrical plans, each page of the electrical design plan is labeled and num-bered: E.

1, E. 2, E. 3, and This program can also be used to observe the characteristics of the parameters. Calculations have been shown for a specific design of superconducting magnet made Two machines have been constructed by this group.

The first machine, which is rated at 45 kVA, has been discussed in the literature []. Details of the design and construction of the second machine are also in the literature [].

Initial tests have been performed on the second superconducting   Superconducting machines offer the only viable path to achieve the power densities needed in airborne applications.

This paper outlines the main issues involved in using superconductors for aeropropulsion. We review the work done under a 5-year program to investigate the feasibility of superconducting electric propulsion, and to @article{osti_, title = {Analysis of a dc commutator machine for exchange of energy with a superconducting coil}, author = {Vogel, H.F.}, abstractNote = {A kW dc commutator machine, C, is analyzed for use in an LC circuit with a ringing period of approximately 4 s with a superconducting coil, L.

Electrical measurements and the important design equations and characteristics are :// The expected losses are estimated to be less than 10 W per joint cryostat.

According to the DC superconducting cable core design, an electrical joint resistance ranging from about to μΩ corresponds to a maximum heat generation of 50 W for a 10 kA superconducting :// AG Clegg MSC, PhD, NG Dovaston BSC, PhD, MPRI., in Electrical Engineer's Reference Book (Sixteenth Edition), Traction and machines.

A pilot development for trains uses superconducting coils mounted underneath the carriages. The field from the coils provides lift from a conducting surface placed between the rails when the train is   Publications: Book: Electric Motor J.L. Smith, Jr., P.

Thullen, and H.H. Woodson, ``MIT-EEI Program on Large Superconducting Machines," Proceedings of the IEEE, 61,January ; also Jr., ``Protection of Superconducting FieldWindings for Electrical Machines by the Use of an Inertial Free Electromechanical Shield   Edward J.

(Ed) Thornton is an Electrical Consultant in the Electrical Technology Consulting Group in Engineering at DuPont, in Houston, Texas.

His specialty is the design, operation, and maintenance of electric power distribution systems and large motor installations. He has 20 years of consulting experience with DuPont. Thornton received (Motor design).pdf. The problem of conductor design for cryostatic stability was formulated and solved in Reference 4 for the niobium-tin superconducting solenoids of the TMR plug coils.

At high magnetic field strengths where j is low, the required copper-to-superconductor ratio is the lowest, and j approaches :// The maximum obtainable magnetic induction of accelerator magnets, relying on normal conducting cables and iron poles, is limited to around 2 T because of ohmic losses and iron saturation.

Using superconducting cables, and employing permeable materials merely to reduce the fringe field, this limit can be exceeded and fields of more than 10 T can be This paper deals with design and thermal analysis of the superconducting single-phase traction transformer.

The purpose is to make an electromagnetic design of single phase superconducting traction transformer and also to investigate a distribution of a heat in a cryogen with liquid nitrogen, known as a high temperature superconducting (HTS) material, using FEM :// Abstract.

A disk-shaped, double stator, induction motor with High Temperature Superconducting (HTS) field coils is proposed in this paper. Copper, typically used in windings of classic machines, limits current density allowed in field coils due to Joule effect :// An external superconducting layer can be lapped directly around the electrical insulation to be used as a current return for bipolar coaxial design or as magnetic shield blocking any stray fields.

The choice of section and materials of the core can be used to set a fault tolerance or a fault limiting :// Some theoretical considerations affecting the design of lapped plastic insulation for superconducting power transmission cables.

Final report Electrical design software is a powerful tool that can automate all of this. It allows electrical engineers to use professional CAD drawing software to design integrated systems in a fraction of the time normally required when creating the process by :// General Electric, in conjunction with the US Department of Energy, has undertaken the design, manufacture and testing of a MVA class high temperature superconducting (HTS) generator.

The HTS rotor will be suitable for use in new generators as well as a retrofit product for existing generators. This paper discusses key areas of design and testing of the generator as first steps in the The design of suitable test configurations for testing model coils fabricated from superconducting cables of the actual tokamak designs in the European Fusion Program (NET, ITER) was a continuous task, beginning in the mids.

The final test configuration of the ITER TFMC was fixed in   Opera Simulation Software is a Finite Element Analysis software suite which allows users to perform simulations of electromagnetic (EM) and electromechanical systems in 2 and 3 dimensions.

Opera complements the existing SIMULIA EM portfolio with its strength in low frequency simulation, which is extremely useful for the design of magnets, electric motors and other electrical ://   approach provides a powerful design tool because of the ease of observing the effects of parameter modifications and of changes in system configurations and control strategies.

Under the rubric Animations, a series of movie clips portrays the motion of electric machines @article{osti_, title = {Equivalent circuit modeling of a superconducting synchronous generator with double electromagnetic shields. Part I. Development of theoretical equations}, author = {Muta, I and Magarikaji, N}, abstractNote = {Superconducting synchronous generators have many favorable features such as high efficiency, small size, large capacity and long critical fault clearing :// Numerous studies involving cost estimates have been performed for superconducting power transmission systems.

As these systems were usually aimed at providing transmission from large clusters of generation the base power rating of the corridor was very high; in the case of the most comprehensive study it. 4th Superconductivity Summer School Wednesday 20 July Superconducting fundamentals and theory S Blundell Oxford University, UK.

Some of the theoretical ideas underlying superconductivity are reviewed at a level which should be comprehensible forLarge-capacity superconducting power cables are in the spotlight to replace existing underground transmission power cables for energy power transmission.

Among them, the three-phase coaxial superconducting power cable has the economic advantage of reducing the superconducting shielding layer by enabling magnetic shielding when the three phases are homogeneous without an Tim Zavertnik, an electrical engineer working in the Navsea Integrated Power Systems program, said, “IPS is exploring more than just propulsion motor technology.” Engineers are evaluating the entire shipboard electrical system, from ship’s service power, to dc distribution, to power electronics—as well as the propulsion motor ://

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