FIELD: electric measurement technology; electrical installations, power stations and substations, power and communication networks to determine condition of insulation and to predict insulation life. SUBSTANCE: method depends on determination of dielectric power factor as function of frequency of reference and analyzed electrical installations and detection of displacement between these values by which condition of insulation is determined and its residual life predicted. EFFECT: enlarged functional capabilities. 2 dwg
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Authors
Dates
1995-09-20—Published
1993-03-29—Filed