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IEEE 2465-2023

$38.46

IEEE Trial-Use Recommended Practice for Pulse-Type Partial Discharge Measurements on Individual Stator Coils and Bars (Approved Draft)

Published By Publication Date Number of Pages
IEEE 2023 49
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New IEEE Standard – Active. Pulse-type partial discharge test methods for individual form-wound stator coils and bars that are equipped with PD suppression coatings and energized with a sinusoidal voltage source are described in this recommended practice. A uniform procedure for measurements in terms of apparent charge at frequencies below 1 MHz and for measurements in millivolts at higher frequencies, up to 300 MHz is also provided in this recommended practice. This document does not provide pass/fail criteria, but it does describe the measurement circuit, the simulated slot, external factors affecting the measurements, the recommended method for calibration or normalization, appropriate test voltage levels, the need for and parameters of conditioning, and it provides guidelines for interpretation of test results.

PDF Catalog

PDF Pages PDF Title
1 IEEE Std 2465™-2023 Front cover
2 Title page
4 Important Notices and Disclaimers Concerning IEEE Standards Documents
8 Participants
9 Introduction
10 Contents
11 List of Figures
13 1. Overview
1.1 Scope
1.2 Purpose
14 1.3 Word usage
2. Normative references
15 3. Definitions, acronyms, and abbreviations
3.1 Definitions
17 3.2 Acronyms and abbreviations
4. Measurement circuits
18 4.1 Measurement circuits—low frequency (LF)
19 4.2 Measurement circuits—HF/VHF
20 4.3 Near-field antennae—electromagnetic probe
21 5. Simulated slot
23 6. External factors affecting measurement
24 7. Method for calibration or normalization
7.1 Calibration of PD pulses into charge (IEC 60270 detectors)
25 7.2 Normalization for non-IEC 60270 detectors
27 8. Test voltages and protection
28 9. Conditioning and test procedures
29 10. Interpretation of results
10.1 Magnitude and polarity of maximum PD pulses
30 10.2 Integrated quantities
10.3 Pulse height and pulse phase analysis
10.4 Time-frequency classification map
10.5 Three Center-frequency relation diagram or multi-band synchronous measurements
31 Annex A (informative) Bibliography
33 Annex B (informative) HF/VHF measurement incorporating ground isolation circuit
34 Annex C (informative) Simulated slot clamping force
37 Annex D (informative) Typical PD pulse-phase patterns (examples)
41 Annex E (informative) Typical time-frequency classification maps for individual stator coils and bars
46 Annex F (informative) 3 center-frequency relation diagram (3CFRD) cluster separation example
49 Back cover
IEEE 2465-2023
$38.46