RECOMMENDED PRACTICE FOR THE DETECTION OF PARTIAL DISCHARGE AND THE MEASUREMENT OF APPARENT CHARGE IN DRY-TYPE TRANSFORMERS
Institute of Electrical & Electronics Engineers
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
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.
| Document Type | Standard |
| Status | Current |
| Publisher | Institute of Electrical & Electronics Engineers |
