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IEEE 3133-2023

$39.00

IEEE Guide for Direct-Current Ice-Melting Technology of Overhead Transmission Lines (Published)

Published By Publication Date Number of Pages
IEEE 2023 48
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New IEEE Standard – Active. Direct-current (dc) ice-melting conditions, melting current, melting duration, and the amplitude of harmonics injected into the power grid are specified in this guide to support the safety, efficiency, and effectiveness of dc ice melting. The technical parameters, inspection, operation, and maintenance of dc ice-melting devices are also specified. The purpose of this guide is to provide dc ice-melting methods, which can be used to help prevent collapse of power transmission towers as well as disconnection and outage of transmission lines under continuous snow and freezing rain.

PDF Catalog

PDF Pages PDF Title
1 IEEE Std 3133™-2023 Front cover
2 Title page
4 Important Notices and Disclaimers Concerning IEEE Standards Documents
8 Participants
9 Introduction
10 Contents
11 1. Overview
1.1 Scope
1.2 Purpose
1.3 Word usage
12 2. Normative references
13 3. Definitions, acronyms, and abbreviations
3.1 Definitions
14 3.2 Acronyms and abbreviations
15 4. General requirements
16 5. DC ice-melting methods for transmission line
5.1 Methods for conductor wire of ac transmission line
5.2 Methods for conductor wire of dc transmission line
17 5.3 Methods for ground wire
18 6. DC ice-melting device for transmission line
6.1 Performance requirements
19 6.2 Structure
21 6.3 Overvoltage protection and insulation coordination
22 6.4 Main components
23 6.5 Connection for accessing the system
7. Tests and maintenance of dc ice-melting device
7.1 Type tests and routine tests
25 7.2 Field tests
26 7.3 Maintenance
27 Annex A (informative) Implementation of dc ice melting
A.1 Conditions for ice melting
A.2 Calculation of ice-melting current and capacity
29 A.3 Conducting and termination criteria for ice melting
31 A.4 Operation status of line while ice melting
A.5 Preparation for ice melting
32 A.6 Implementation of ice melting
34 Annex B (informative) Calculation of dc ice-melting parameters
B.1 Ice-melting current
B.2 Ice-melting voltage
39 B.3 Ice-melting length
B.4 Ice-melting duration
42 Annex C (informative) DC ice-melting scheme of typical transmission lines
C.1 DC ice-melting loop
C.2 Calculating data
43 C.3 Ice-melting protection
C.4 Ice-melting descriptions
44 Annex D (informative) Typical dc ice-melting disconnector
D.1 Ice-melting disconnector on the side of dc ice-melting device
D.2 Ice-melting short-circuit disconnector at the end of the ice-coated lines
46 Annex E (informative) Bibliography
48 Back cover
IEEE 3133-2023
$39.00