IEEE C57.124 : 1991

Table of Contents

1. Scope
2. Purpose
3. References
4. Definitions
5. Partial Discharge Detection System
   5.1 High-Voltage Coupling Circuit
   5.2 Measuring Impedance Unit (Z[m])
   5.3 Filter Characteristics
   5.4 Display Unit
   5.5 Discharge Meter
   5.6 Basic Sensitivity
   5.7 Partial Discharge Detector Basic Sensitivity Test
6. Calibrator Characteristics
   6.1 Calibrating Capacitor Value (C[q])
   6.2 Pulse Generator Rise Time and Decay Time
   6.3 Pulse Generator Amplitude (U[o])
   6.4 Pulse Generator Output Impedance (Z[o])
   6.5 Calibrator Output Level Adjustment
   6.6 Pulse Generator Frequency
7. Tests
   7.1 General Requirements
   7.2 Conditioning
   7.3 Requirements for the Test Voltage
   7.4 Transformer Connections
   7.5 Significance of Various Test Connections
   7.6 Choice of Test Procedure
   7.7 Disturbances
8. Bibliography
Annex (informative) Partial Discharge Recognition

Abstract

Applies to the detection of partial discharges that occur 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.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	Institute of Electrical & Electronics Engineers
Pages
ISBN