Details
| Original language | English |
|---|---|
| Pages (from-to) | 263-270 |
| Number of pages | 8 |
| Journal | Electrical engineering |
| Volume | 89 |
| Issue number | 4 |
| Publication status | Published - Mar 2007 |
Abstract
In order to investigate the significance of the capacitance and dissipation factor measurements as a function of test voltage for insulating systems of high-voltage rotating machines a series of measurements have been done on simple epoxy resin specimens and actual stator bars which have been manufactured based on the epoxy VPI technology. The possibilities of proposition of a relation between the maximum variation of the dissipation factor and capacitance with applied test voltage and the relative volume of the air-filled voids were investigated. Also the stator bars have been aged by different accelerated aging procedures and the changes of the capacitance and dissipation factor as a function of voltage were studied during the aging procedures.
Keywords
- Aging, Capacitance tip-up, Diagnostic, Dissipation factor tip-up, Rotating machine insulation
ASJC Scopus subject areas
- Engineering(all)
- Electrical and Electronic Engineering
- Mathematics(all)
- Applied Mathematics
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In: Electrical engineering, Vol. 89, No. 4, 03.2007, p. 263-270.
Research output: Contribution to journal › Article › Research › peer review
}
TY - JOUR
T1 - Study of capacitance and dissipation factor tip-up to evaluate the condition of insulating systems for high voltage rotating machines
AU - Farahani, Mohsen
AU - Borsi, Hossein
AU - Gockenbach, Ernst
N1 - Copyright: Copyright 2008 Elsevier B.V., All rights reserved.
PY - 2007/3
Y1 - 2007/3
N2 - In order to investigate the significance of the capacitance and dissipation factor measurements as a function of test voltage for insulating systems of high-voltage rotating machines a series of measurements have been done on simple epoxy resin specimens and actual stator bars which have been manufactured based on the epoxy VPI technology. The possibilities of proposition of a relation between the maximum variation of the dissipation factor and capacitance with applied test voltage and the relative volume of the air-filled voids were investigated. Also the stator bars have been aged by different accelerated aging procedures and the changes of the capacitance and dissipation factor as a function of voltage were studied during the aging procedures.
AB - In order to investigate the significance of the capacitance and dissipation factor measurements as a function of test voltage for insulating systems of high-voltage rotating machines a series of measurements have been done on simple epoxy resin specimens and actual stator bars which have been manufactured based on the epoxy VPI technology. The possibilities of proposition of a relation between the maximum variation of the dissipation factor and capacitance with applied test voltage and the relative volume of the air-filled voids were investigated. Also the stator bars have been aged by different accelerated aging procedures and the changes of the capacitance and dissipation factor as a function of voltage were studied during the aging procedures.
KW - Aging
KW - Capacitance tip-up
KW - Diagnostic
KW - Dissipation factor tip-up
KW - Rotating machine insulation
UR - http://www.scopus.com/inward/record.url?scp=33847175569&partnerID=8YFLogxK
U2 - 10.1007/s00202-006-0011-9
DO - 10.1007/s00202-006-0011-9
M3 - Article
AN - SCOPUS:33847175569
VL - 89
SP - 263
EP - 270
JO - Electrical engineering
JF - Electrical engineering
SN - 0948-7921
IS - 4
ER -