electrical machines and drives Engineering and Consulting Power plant technology and power plant service Machine Control and Diagnosis Publications and Patents References

Publications and Patents

Experience of the 60 Hz market to be adopted by the 50 Hz market? What can the 50 Hz market learn from the 60 Hz market to avoid generator and exciter failures and damage?
VGB Power Tech 12/2012

IQ - Intelligent Aftercare
Power-Gen International, Orlando, FL, December 11 - 13, 2012

Economic advantages of regular maintenance and upgrades to generators in today's operational environments
Power-Gen International, Orlando, FL, December 11 - 13, 2012

What can the 50 Hz market learn from the 60 Hz market to avoid generator and exciter failures and damage?
Power-Gen Europe, Cologne, Germany, June 12 - 14, 2012

Instandhaltung/Instandsetzung von Turbogeneratoren
VGB KELI Konferenz, Berlin 8. - 10. Mai 2012

Start-stop related issues on generators and exciters Reliable upgrade packages are available for different operation modes
ImechE Steam Turbine and Generator User Group University of Warwick, Coventry, UK, March 20 - 21, 2012

Service Recommendations for Generators
Power-Gen International, Las Vegas December 13-15, 2011

Experience with Stator End-Winding vibrations, Causes, Solutions and Monitoring
EPRI Generator Monitoring and Maintenance Workshop August 8 - 9, 2011, Albany

Economic importance of older turbo sets and upgrading generators for peak load operation
EPRI Generator Workshop, April 12 - 13, 2011, Barcelona

Generatorschaeden (Wasserkraft- und Turbogeneratoren), Ursachen und Konsequenzen
Nationalversicherung, Basel, 7. Januar 2011

Generatorschaeden (Wasserkraftgeneratoren), Ursachen und Konsequenzen
VGB Fachausschuss Wasserkraftanlagen Heidenheim, 20. Oktober 2006

Monitoring of Generator End-Winding Vibration:
How reliable are existing Monitoring Systems
Generator Predictive Maintenance and Refurbishment January 15 - 19, 2001, New Orleans

download PDF Document

Operation Experience with a generator stator end-winding vibration monitoring system
Hydro Power & Dam Conference Berne, 2 - 4 October 2000

download PDF Document

Modern Power Engineering
FHK Journal, Mai 2000

Betriebserfahrungen mit einem Fiber Optic Vibrations Monitoring System zur Messung von Schwingungen an Hochspannungswicklungen
AZT- Expertentage November 1999, München

download PDF Document

Recent Developments in Large Generator Repair Solutions and Monitoring Systems
EPRI -Generator Predictive Maintenance & Refurbishment Conference Phoenix, December 2, 1998

download PDF Document

Automatisierung des Synchronmaschinenversuches mit LabVIEW unter Einsatz des IEEE -488- Busses
VIP'97 Kongreß, Virtuelle Instrumente in der Praxis
München, 21 Oktober 1997

Statorwickelkopf, Revisionssatz hierfür und Verfahren zu dessen Umrüstung
Europäische Patentschrift, Veröffentlichungsnummer 0 432 720 B1
Patenterteilung 8.2.1995, Patentblatt 95/06

Stator End-Winding System and a Retrofitting Set for the same
United States Patent No. 5,355,046
October 11, 1994

A method for repairing the rotor of a turbogenerator
United States Patent No. 5,174,011
December 29, 1992.

Advances on retaining ring shrink-fit design and stator end-winding support design to overcome problems on generators in operation
International Joint Power Generation Conference
Atlanta, 1992

Statorwickelkopf, Verfahren zu dessen Umrüstung und Revisionssatz hierfür
Schweizer Patent CH 680546 A5
15. September 1992

Method of retrofitting a stator end winding
United States Patent No. 5,140,740
August 25, 1992.

Requirements for Turbogenerators in cyclic service, and measures to be taken when converting from base-load to peak-load
International Joint Power Generation Conference

Modern condition evaluation and new technologies to improve generator availability and life extension
1990 Cigre Session

Constructive measures on turbogenerators in order to prevent damage when converting from base-load to peak-load operation
VGB Kongress Kraftwerke 1989 in Hamburg

Years of experience in design of large turbogenerators contribute to increased operation safety, improved maintainance and higher safety
Tenth International Conference on Power Stations, Liege (Belgium) 25 - 29 September 1989

Solution of complex Eigenvalue Equations as used in the analytical solution of eddy current problems of coupled regions
EMMA Conference 1989 in Rimini

Field distribution and eddy-current losses in coupled cylindrical shells, as in a turbogenerator rotor with a grooved surface
Archiv für Elektrotechnik 72 (1989) 251-262

Expressions for solution of the Laplace and Helmholtz equations in three-dimensional eddy-current problems
Archiv für Elektrotechnik 72 (1989) 195-203

Converting large base-load turbogenerators for peak load duty
ABB Review 2 1989(2) 31-41

Large ABB Turbogenerators and their Auxiliaries
ABB Publication No. KWDV1 B11 012 E

Design features of large turbogenerators
ABB Review 21989(1 ) 3-14

Successful retrofit of a 970 MV A turbine-generator
ABB Review 1 1988(3) 3-10

Overall consideration of rotor retaining rings for reliable operation
EPRI Generator Retaining Ring Workshop, September 1987 EPRI NDE Center, Charlotte North Carolina, USA

Retrofitting Large Tubogenerators
Brown Boveri Review 73 1986(1) 14-21

Three-dimensional calculation of eddy currents in coupled cylindrical shells
Doctoral Thesis, Technical University of Munich, 1986

Electrical Machine with Indirect-cooled Stator Winding
Swiss Patent No.3879/ 84, 1984

Digital Simulation of a subsynchronous Static Converter Cascade
Thesis Paper No. 13 of 10 May 1978, Institute for Electrical Machines and Apparatus, Technical University Munich