NDLI: Problems of diagnostics of electrical power equipment to assess its residual operating lifetime

Content Provider	IEEE Xplore Digital Library
Author	Goldshtein, E.I. Lavrinovich, V.A. Slyusarenko, S.G. Ushakov, V.Ya. Harlov, N.N. Khrushchov, Yu.V.
Copyright Year	2007
Description	Author affiliation: Inst. of Electr. Eng., Tomsk Polytech. Univ., Tomsk (Goldshtein, E.I.; Lavrinovich, V.A.; Slyusarenko, S.G.; Ushakov, V.Ya.; Harlov, N.N.; Khrushchov, Yu.V.)
Abstract	While in service, the equipment is under long-term exposure to the operating voltage and short-term but repeated exposure to overvoltages in combination with other factors (temperature, mechanical stress, and adverse environmental state). This results in deterioration of the electric insulation and failure of the equipment due to insulation breakdown. To trace the dynamics of insulation state of the operating equipment, its preventive tests are carried out. Ideally, the preventive tests should be aimed at reliable assessment of the residual operating lifetime of the equipment. However, this problem has been solved only incompletely because of the complexity of diagnostics of insulation aging, description of aging mechanisms, and establishment of a relationship between the insulation state at the time of testing (or fixing the parameters during monitoring) and the remaining operating lifetime. This paper discusses the diagnostic problems to assess residual operating lifetime.
Starting Page	43
Ending Page	46
File Size	705139
Page Count	4
File Format	PDF
ISBN	9781424435890
DOI	10.1109/IFOST.2007.4798515
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-10-03
Publisher Place	Mongolia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Condition monitoring Dielectrics and electrical insulation Temperature Electric breakdown Insulation testing Life testing Voltage Aging Surges Stress
Content Type	Text
Resource Type	Article

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