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Proceedings Papers

CFD Analysis of Additively Manufactured Conformal Cooling Channels for the Stator of a Direct Drive Generator

Henry Vennard, Austin C. Hayes, Gregory L. Whiting
Proc. ASME. POWER2022, ASME 2022 Power Conference, V001T15A003, July 18–19, 2022
Paper No: POWER2022-85155
DOI: https://doi.org/10.1115/POWER2022-85155
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Topics: Additive manufacturing, Computational fluid dynamics, Cooling, Generators, Stators, Wind turbines
Proceedings Papers

Coupled Electromagnetic and Lattice Structure Optimization for the Rotor and Stator of Large Electric Machines

Austin C. Hayes, Gregory L. Whiting
Proc. ASME. POWER2021, ASME 2021 Power Conference, V001T12A003, July 20–22, 2021
Paper No: POWER2021-62625
DOI: https://doi.org/10.1115/POWER2021-62625
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Topics: Machinery, Optimization, Rotors, Stators, Generators, Finite element analysis, Wind turbines, Deflection, Design, Deformation
Proceedings Papers

Stator Leakage Monitoring System in Water-Cooled Generators: Problems and Solutions

Thomas Bauer, Matthias Svoboda
Proc. ASME. POWER2021, ASME 2021 Power Conference, V001T11A001, July 20–22, 2021
Paper No: POWER2021-65471
DOI: https://doi.org/10.1115/POWER2021-65471
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Topics: Carbon dioxide, Cooling, Generators, Hydrogen, Leakage, Monitoring systems, Stators, Water
Proceedings Papers

A High-Power Ironless Ultra-Light Direct-Drive Wind Generator Based on Circular Flux

Mahyar Zarghami, Charles Vann, Frank Steensnaes
Proc. ASME. POWER2020, ASME 2020 Power Conference, V001T08A007, August 4–5, 2020
Paper No: POWER2020-16304
DOI: https://doi.org/10.1115/POWER2020-16304
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Topics: Generators, Wind, Design, Magnets, Stators, Engineering prototypes, Machine design, Machinery, Magnetic cores, Magnetic materials
Proceedings Papers

Powder-Binder Jetting Large-Scale, Metal Direct-Drive Generators: Selecting the Powder, Binder, and Process Parameters

Austin C. Hayes, Gregory L. Whiting
Proc. ASME. POWER2019, ASME 2019 Power Conference, V001T12A004, July 15–18, 2019
Paper No: POWER2019-1853
DOI: https://doi.org/10.1115/POWER2019-1853
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Topics: Binders (Materials), Generators, Metals, Additive manufacturing, Casting, Manufacturing, Printing, Wind turbines, Machinery, Rotors
Proceedings Papers

Axial Flow Compressor Real-Time Tip Clearance Analysis and Experimental Verification

Lu Cheng, Shizhi Zhao, Weibing Liu, Song Ai, Xiaoping Fan
Proc. ASME. POWER2017-ICOPE-17, Volume 1: Boilers and Heat Recovery Steam Generator; Combustion Turbines; Energy Water Sustainability; Fuels, Combustion and Material Handling; Heat Exchangers, Condensers, Cooling Systems, and Balance-of-Plant, V001T02A004, June 26–30, 2017
Paper No: POWER-ICOPE2017-3304
DOI: https://doi.org/10.1115/POWER-ICOPE2017-3304
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Topics: Axial flow, Clearances (Engineering), Compressors, Design, Gas turbines, Metals, Rotors, Stators, Temperature, Transients (Dynamics)
Proceedings Papers

Optimization of Kaplan Hydro-Turbine at Very Low Head With Rim-Driven Generator

Ahmad I. Abbas, Tomoki Sakamoto, Mandana S. Saravani, Ryoichi S. Amano, Joseph Millevolte, Bruno Lequesne
Proc. ASME. POWER2017-ICOPE-17, Volume 2: I&C, Digital Controls, and Influence of Human Factors; Plant Construction Issues and Supply Chain Management; Plant Operations, Maintenance, Aging Management, Reliability and Performance; Renewable Energy Systems: Solar, Wind, Hydro and Geothermal; Risk Management, Safety and Cyber Security; Steam Turbine-Generators, Electric Generators, Transformers, Switchgear, and Electric BOP and Auxiliaries; Student Competition; Thermal Hydraulics and Computational Fluid Dynamics, V002T09A017, June 26–30, 2017
Paper No: POWER-ICOPE2017-3564
DOI: https://doi.org/10.1115/POWER-ICOPE2017-3564
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Topics: Generators, Hydraulic turbines, Optimization, Design, Computational fluid dynamics, Turbines, Additive manufacturing, Computation, Flow (Dynamics), Fluid dynamics
Proceedings Papers

Aeroelastic Impact of a Circumferentially Varying Tip Gap

David Canon, Jayanta Kapat
Proc. ASME. POWER2015, ASME 2015 Power Conference, V001T09A008, June 28–July 2, 2015
Paper No: POWER2015-49565
DOI: https://doi.org/10.1115/POWER2015-49565
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Topics: Aeroelasticity, Compressors, Computational fluid dynamics, Cycles, Engines, Excitation, Flow (Dynamics), Industrial gases, Leakage, Leakage flows
Proceedings Papers

Stator Cooling Water System Instrumentation

Thomas Bauer, Mat Svoboda, Russell J. Chetwynd
Proc. ASME. POWER2015, ASME 2015 Power Conference, V001T13A001, June 28–July 2, 2015
Paper No: POWER2015-49075
DOI: https://doi.org/10.1115/POWER2015-49075
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Topics: Cooling, Instrumentation, Stators, Water, Copper, Generators, Corrective actions, Corrosion, Engineers, Failure
Proceedings Papers

Copper Deposition in Stator Cooling Water Systems

A. G. Howell
Proc. ASME. POWER2014, Volume 1: Fuels and Combustion, Material Handling, Emissions; Steam Generators; Heat Exchangers and Cooling Systems; Turbines, Generators and Auxiliaries; Plant Operations and Maintenance; Reliability, Availability and Maintainability (RAM); Plant Systems, Structures, Components and Materials Issues, V001T04A005, July 28–31, 2014
Paper No: POWER2014-32295
DOI: https://doi.org/10.1115/POWER2014-32295
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Topics: Cooling, Copper, Stators, Water, Flow (Dynamics), Chemistry, Corrosion, Oxygen, Circuits, Damage
Proceedings Papers

Numerical Study of a Multipurpose Power Generator Using the Finite Element Method

J. Agbormbai, N. Goudarzi, W. D. Zhu
Proc. ASME. POWER2014, Volume 2: Simple and Combined Cycles; Advanced Energy Systems and Renewables (Wind, Solar and Geothermal); Energy Water Nexus; Thermal Hydraulics and CFD; Nuclear Plant Design, Licensing and Construction; Performance Testing and Performance Test Codes; Student Paper Competition, V002T14A007, July 28–31, 2014
Paper No: POWER2014-32172
DOI: https://doi.org/10.1115/POWER2014-32172
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Topics: Finite element methods, Generators, Electromotive force, Rotors, Stators, Poles (Building), Simulation, Arches, Cylinders, Density
Proceedings Papers

Stator Winding Ground Protection Failures

Clyde V. Maughan
Proc. ASME. POWER2013, Volume 1: Fuels and Combustion, Material Handling, Emissions; Steam Generators; Heat Exchangers and Cooling Systems; Turbines, Generators and Auxiliaries; Plant Operations and Maintenance, V001T04A007, July 29–August 1, 2013
Paper No: POWER2013-98151
DOI: https://doi.org/10.1115/POWER2013-98151
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Topics: Failure, Stators, Winding (process), Generators, Damage, Maintenance
Proceedings Papers

Generator Stator End Winding Resonance: Problems and Solutions

Bill Moore, Clyde Maughan
Proc. ASME. POWER2013, Volume 1: Fuels and Combustion, Material Handling, Emissions; Steam Generators; Heat Exchangers and Cooling Systems; Turbines, Generators and Auxiliaries; Plant Operations and Maintenance, V001T04A010, July 29–August 1, 2013
Paper No: POWER2013-98298
DOI: https://doi.org/10.1115/POWER2013-98298
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Topics: Generators, Resonance, Stators, Winding (process), Vibration, Dust removal, Failure, Fatigue cracks, Optical quality control
Proceedings Papers

Characteristics of the Convective Heat Transfer Coefficient at the End Winding of a Hydro Generator

Stephan Klomberg, Ernst Farnleitner, Gebhard Kastner, Oszkár Bíró
Proc. ASME. POWER2013, Volume 2: Reliability, Availability and Maintainability (RAM); Plant Systems, Structures, Components and Materials Issues; Simple and Combined Cycles; Advanced Energy Systems and Renewables (Wind, Solar and Geothermal); Energy Water Nexus; Thermal Hydraulics and CFD; Nuclear Plant Design, Licensing and Construction; Performance Testing and Performance Test Codes, V002T11A004, July 29–August 1, 2013
Paper No: POWER2013-98093
DOI: https://doi.org/10.1115/POWER2013-98093
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Topics: Convection, Generators, Winding (process), Computational fluid dynamics, Design, Flow (Dynamics), Boundary-value problems, Computation, Computer simulation, Ducts
Proceedings Papers

Improvement of Vibration Characteristics on Stator End Winding of 600MW Generator

Shi Liu, Yongxiong Guo, Zhi Li, Lei Liu, Qingshui Gao, Yongxin Feng, Chu Zhang, Tao Yang
Proc. ASME. POWER2013, Volume 2: Reliability, Availability and Maintainability (RAM); Plant Systems, Structures, Components and Materials Issues; Simple and Combined Cycles; Advanced Energy Systems and Renewables (Wind, Solar and Geothermal); Energy Water Nexus; Thermal Hydraulics and CFD; Nuclear Plant Design, Licensing and Construction; Performance Testing and Performance Test Codes, V002T06A002, July 29–August 1, 2013
Paper No: POWER2013-98139
DOI: https://doi.org/10.1115/POWER2013-98139
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Topics: Generators, Stators, Vibration, Winding (process), Wire, Resonance, Cooling, Fittings, Modal analysis, Rotors
Proceedings Papers

Operation and Maintenance Solutions for Generator Water Cooling

Matthias Svoboda, Robert Svoboda
Proc. ASME. ICONE20-POWER2012, Volume 3: Thermal-Hydraulics; Turbines, Generators, and Auxiliaries, 797-803, July 30–August 3, 2012
Paper No: ICONE20-POWER2012-54555
DOI: https://doi.org/10.1115/ICONE20-POWER2012-54555
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Topics: Cooling, Generators, Maintenance, Water, Water chemistry, Copper, Stators, Base metals, Brazing, Failure
Proceedings Papers

Assessing the Integrity of Generator Stator End Windings

Matthew Ellis, Joop Kraijesteijn
Proc. ASME. ICONE20-POWER2012, Volume 1: Plant Operations, Maintenance, Engineering, Modifications, Life Cycle, and Balance of Plant; Component Reliability and Materials Issues; Steam Generator Technology Applications and Innovations; Advanced Reactors and Near-Term Deployment; Reactor Physics, Neutronics, and Transport Theory; Nuclear Education, Human Resources, and Public Acceptance, 387-392, July 30–August 3, 2012
Paper No: ICONE20-POWER2012-54570
DOI: https://doi.org/10.1115/ICONE20-POWER2012-54570
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Topics: Generators, Stators, Stiffness, Testing, Corrective actions, Dampers, Damping, Excitation, Impulse (Physics), Insulation
Proceedings Papers

Turbogenerator Spark Erosion Inspection and Repair

John Jensen, Alfred Laforet
Proc. ASME. POWER2011, ASME 2011 Power Conference, Volume 1, 601-605, July 12–14, 2011
Paper No: POWER2011-55337
DOI: https://doi.org/10.1115/POWER2011-55337
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Topics: Electrical discharge machining, Inspection, Maintenance, Turbogenerators, Stators, Generators, Insulation, Damage, Life extension, Machinery
Proceedings Papers

CFD Analysis of Ventilation Flow for a Scale Model Hydro-Generator

Kristopher Toussaint, Federico Torriano, Jean-Franc¸ois Morissette, Claude Hudon, Marcelo Reggio
Proc. ASME. POWER2011, ASME 2011 Power Conference, Volume 2, 627-637, July 12–14, 2011
Paper No: POWER2011-55202
DOI: https://doi.org/10.1115/POWER2011-55202
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Topics: Computational fluid dynamics, Flow (Dynamics), Generators, Ventilation, Rotors, Circuits, Engineering simulation, Simulation, Stators, Transients (Dynamics)
Proceedings Papers

Generator Retaining Rings: In Situ Inspection and Life Assessment

Jan Willem Noteboom
Proc. ASME. POWER2009, ASME 2009 Power Conference, 315-324, July 21–23, 2009
Paper No: POWER2009-81072
DOI: https://doi.org/10.1115/POWER2009-81072
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Topics: Generators, Inspection, Cracking (Materials), Downtime, Dyeing, Eddy current testing, Fracture (Process), Fracture mechanics, Manipulators, Nondestructive evaluation