Stator fault damage considerations for generators on solidly grounded systems

The practice of connecting small turbine generators on solidly grounded medium-voltage systems has become increasingly more popular. This practice introduces unique problems because of the relatively high magnitude of phase-to-ground fault current available on effectively grounded systems, and requi...

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Bibliographic Details
Published inIEEE transactions on industry applications Vol. 37; no. 1; pp. 218 - 222
Main Author Powell, L.J.
Format Journal Article
LanguageEnglish
Published New York IEEE 01.01.2001
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects
Damage
Fault currents
Faults
Generators
Grounding
Grounds
Industrial power systems
Iron
Joining
Joining processes
Medium voltage
Power system protection
Space heating
Stators
Turbines
Turbogenerators
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Summary:The practice of connecting small turbine generators on solidly grounded medium-voltage systems has become increasingly more popular. This practice introduces unique problems because of the relatively high magnitude of phase-to-ground fault current available on effectively grounded systems, and requires that special consideration be given to the increased risk of serious generator stator iron damage that can result. This paper extends earlier work on the relationship between grounding practices and generator stator ground fault damage to the special case of these solidly grounded systems.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
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ISSN:0093-9994
1939-9367
DOI:10.1109/28.903151