IEEE 1893 2016
$30.33
IEEE Guide for the Measurement of DC Transmission Line and Earth Electrode Line Parameters
| Published By | Publication Date | Number of Pages |
| IEEE | 2016 | 37 |
New IEEE Standard – Active. Field testing methodology and techniques are presented for measuring parameters for dc transmission lines and earth electrode lines are discussed in this guide. The topics addressed include the basic requirements of measurement, safety cautions, requirements for test instruments, testing induced voltage and current, verifying the polarity and testing insulation resistance, measuring dc resistance, measuring the impedance frequency characteristic, and various factors that can distort measurements.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 1 | IEEE Std 1893™-2015 Front cover |
| 2 | Title page |
| 4 | Important Notices and Disclaimers Concerning IEEE Standards Documents |
| 7 | Participants |
| 8 | Introduction |
| 9 | Contents |
| 10 | IMPORTANT NOTICE 1. Overview 1.1 Scope |
| 11 | 1.2 Purpose 2. Normative references 3. Definitions 3.1 Definitions |
| 12 | 3.2 Acronyms and abbreviations |
| 13 | 4. Contents of measurement 4.1 Contents of regular test |
| 14 | 4.2 Contents of transmission line parameter measurement 4.3 General considerations on measurement 4.4 Test safety precautions |
| 15 | 4.5 Measuring instrument requirements 5. Induced-voltage and induced-current testing 5.1 General 5.2 Induced-voltage testing 5.2.1 Induced-voltage testing with end terminal open |
| 16 | 5.2.2 Induced-voltage testing with end terminal shorted and grounded 5.3 Induced-current testing 6. Polarity verification and insulation resistance testing 6.1 Polarity verification with battery |
| 17 | 6.2 Polarity verification and insulation resistance test using a megohm meter |
| 18 | 7. Measurement of dc resistance |
| 20 | 8. Measurement of dc transmission line parameters 8.1 General considerations of impedance frequency characteristic measurement 8.2 Measurement under the bipolar measuring mode 8.2.1 Measuring the short-circuit and open-circuit impedances |
| 21 | 8.2.2 Calculating the distributed parameters r0, l0, and c0 of selected frequency f under the bipolar measuring mode |
| 22 | 8.3 Measurement under the bipolar parallel measuring mode 8.3.1 Measuring the short-circuit and open-circuit impedance |
| 23 | 8.3.2 Calculating the distributed parameters r1, l1, and c1 of selected frequency f under the bipolar parallel measuring mode |
| 24 | 8.4 Measurement of the coupling parameters of a single-circuit transmission line 8.5 Measurement of the coupling parameters of a double-circuit transmission line 8.5.1 For the distributed parameters l′1 and c′1 at the selected frequency f under the bipolar measuring mode 8.5.1.1 Measuring the short-circuit and open-circuit impedances |
| 25 | 8.5.1.2 Calculating the distributed parameters l′1 and c′1 under the bipolar measuring mode at the selected frequency f: |
| 26 | 8.5.2 For the distributed parameters l′0 and c′0 at the selected frequency f under the bipolar parallel measuring mode 8.5.2.1 Measuring the short-circuit and open-circuit impedances |
| 27 | 8.5.2.2 Calculating the distributed parameters l′0 and c′0 under the bipolar parallel measuring mode at selected frequency f 9. Measurement of earth electrode line parameters 9.1 General |
| 28 | 9.2 Measurement of dc resistance 9.3 Measurement of the impedance frequency characteristic |
| 29 | Annex A (informative) Principles of measuring distributed parameters A.1 Distributed parameter circuit of the transmission line A.2 Definitions |
| 30 | A.3 Telegraph equations |
| 31 | A.4 Calculation of distributed parameters |
| 32 | Annex B (informative) Example of measurement of transmission line parameters B.1 Base data |
| 33 | B.2 Calculation process B.2.1 General B.2.2 Calculation of characteristic impedance and transmission constant |
| 34 | B.2.3 Calculation of the per-unit length value of impedance and admittance B.2.4 Calculation of the per-unit length value of line parameters |
| 35 | B.3 Calculation of the per-unit length value of line parameters under each selected frequency B.4 Curve fitting B.4.1 General |
| 36 | B.4.2 R-f curve under the bipolar parallel measuring mode B.4.3 L-f curve under the bipolar parallel measuring mode |
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