NDLI: Design Considerations for High Speed Direct Drive Turbine Generators

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	John, D. Herbst Angelo, L. Gattozzi Douglas, R. Wardell Hsing, P. Liu Brian, T. Murphy
Copyright Year	2008
Abstract	The University of Texas at Austin Center for Electromechanics (UT-CEM) conducted development and testing of a 3 MW high speed generator and turbine drive system for a hybrid vehicle propulsion system as a part of the Advanced Locomotive Propulsion System (ALPS) Program [1]. Several critical design issues were identified that apply to high speed wound field synchronous generators and turbine drive systems. The focus of the paper is directed to the more aggressive designs that, like ALPS, are intended to maximize the power density of the turbine/generator package. Design issues addressed by the paper include: • Thermal management for the armature and field windings; • Structural support and insulation of the rotating field winding; • Design of the brushless exciter and rotating diode array; • Design of the rotor bearings, seals, and dampers; • System dynamic response to sudden load changes. The results of trade studies for selection of the generator technology (wound field, permanent magnet, high temperature superconducting) will also be presented to identify key size/weight and cost drivers in the design process. Lessons learned during the fabrication, assembly, and testing of the ALPS generator will be discussed in this paper, in particular, issues concerning the high pressure stator air cooling system, improvements to the field winding insulation, and field coil installation techniques will be addressed. A companion paper will present the results of testing the high-speed generator and turbine drive system to a 1.5 MW power level at NAVSEA (Philadelphia, PA) and UT-CEM with a fixed resistive load.
Sponsorship	Power Division
Starting Page	333
Ending Page	340
Page Count	8
File Format	PDF
ISBN	0791848329
DOI	10.1115/POWER2008-60154
e-ISBN	0791838293
Conference Proceedings	ASME 2008 Power Conference
Language	English
Publisher Date	2008-07-22
Publisher Place	Lake Buena Vista, Florida, USA
Access Restriction	Subscribed
Subject Keyword	Power density Dampers Bearings Cooling systems High temperature Design High pressure (physics) Weight (mass) Stators Winding (process) Manufacturing Propulsion systems Turbines Testing Excitation systems Insulation System dynamics Locomotives Turbogenerators Rotors Generators Permanent magnets Hybrid electric vehicles Stress Thermal management
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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Development of a 3 MW High Speed Generator and Turbine Drive for a Hybrid Vehicle Propulsion System

Testing of a 3 MW High Speed Generator and Turbine Drive for a Hybrid Vehicle Propulsion System

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