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Keywords
(3)
Condition Assessment
Diagnostic Test
Partial Discharge
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On turbogenerator H.V. stator winding condition assessment by the analysis of PDHD detected on phases and insulated coils after untimely failure
On turbogenerator H.V. stator winding condition assessment by the analysis of PDHD detected on phases and insulated coils after untimely failure,10.11
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On turbogenerator H.V. stator winding condition assessment by the analysis of PDHD detected on phases and insulated coils after untimely failure
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G. Rabach
,
A. Contin
,
F. Razza
,
M. Visintin
The paper deals with the results of investigations performed in order to verify whether diagnostic tests, based on
Partial Discharge
Height Distribution (PDHD) analysis, are able to identify the causes of deterioration and to guide the repair of the insulation system of HV rotating machine stator windings. The insulation system of a turbogenerator was tested after a breakdown occurred in service.
Partial Discharge
(PD) measurements were performed both on the windings and on single coils. The analysis of the results of PD measurements evidenced that the breakdown was due to a defective impregnation of the winding
Journal:
American Journal of Evaluation - AM J EVAL
, 1998
DOI:
10.1109/ICSD.1998.709256
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References
(7)
Practical on-line partial discharge tests for turbine generators and motors
(
Citations: 34
)
S. R. Campbell
,
G. C. Stone
,
H. G. Sedding
,
G. S. Klempner
,
W. McDermid
,
R. G. Bussey
Journal:
IEEE Transactions on Energy Conversion - IEEE TRANS ENERGY CONVERS
, vol. 9, no. 2, pp. 281-287, 1994
Experience with PDA diagnostic testing on hydraulic generators
(
Citations: 50
)
J. f. Lyles
,
G. c. Stone
,
M. Kurtz
Published in 1988.
Computer-aided partial discharge amplitude distribution measurement system for large electrical machines diagnosis
(
Citations: 4
)
A. Boscolo
,
A. Contin
,
G. Rabach
,
F. Tosato
Conference:
International Conference on Properties and Applications of Properties and Applications of Dielectric Materials - ICPADM
, 1988
Diagnosis of HV stator bars insulation in the presence of multi partial-discharge phenomena
(
Citations: 3
)
A. Contin
,
G. F. Fenu
,
T. Parisini
Conference:
Conference on Electrical Insulation and Dielectric Phenomena - CEIDP
, 1996
Experience with an improved stochastic method for diagnosing stator winding PD data
(
Citations: 2
)
Alfredo CONTIN
,
GianCarlo MONTANARI
,
Greg C. STONE
Conference:
IEEE International Symposium on Electrical Insulation - ISEI
, vol. 1, pp. 253-256 vol.1, 1998