IEEE C57.124-1991

37801

IEEE Recommended Practice for the Detection of Partial Discharge and the Measurement of Apparent Charge in Dry-Type Transformers

standard by IEEE , 11/30/1991

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Full Description

Scope

This recommended practice applies to the detection of partial discharges occurring in the insulation of dry-type transformers or their components, and to the measurement of the associated apparent charge at the terminals when an alternating test voltage is applied.

Purpose

Partial discharge measurements in dry-type transformers may preferably be made on the basis of measurement of the apparent charge. Relevant measuring systems are classified as narrow-band or wide-band systems. Both systems are recognized and widely used. Without giving preference to one or the other, it is the object of this document to describe the wide-band method. General principles of partial discharge measurements, including the narrow-band method, are covered in IEEE Std 454-1973, IEC 270 (1981) and IEC 76-3 (1980).

Abstract

New IEEE Standard - Inactive-Reserved. The detection of partial discharges occurring in the insulation of dry-type transformers or their components and the measurement of the associated apparent charge at the terminals when the alternating test voltage is applied are covered. The wideband method is used. The detection system and calibrator characteristics are described, and the test procedures are established. See more

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Product Details

Published:

11/30/1991

Number of Pages:

19