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IEEE 1727 2013

$46.04

IEEE Guide for Working Procedures on Underground Transmission Circuits with Induced Voltage

Published By Publication Date Number of Pages
IEEE 2013 57
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New IEEE Standard – Active. Induced voltage working procedures for underground transmission circuits are established in this guide. A transmission circuit when de-energized will have an induced voltage when in a common duct bank with an energized circuit. The induced voltage may be a possible safety hazard. The induced voltage may be determined by modeling the circuits and by measurement. This guide addresses the working procedures to follow when performing work where induced voltage is present.

PDF Catalog

PDF Pages PDF Title
1 IEEE Std 1727™-2013 front cover
3 Title page
6 Notice to users
Laws and regulations
Copyrights
Updating of IEEE documents
Errata
Patents
8 Participants
10 Introduction
11 Contents
13 IMPORTANT NOTICE
1. Overview
1.1 Scope
1.2 Purpose
14 2. Normative references
3. Definitions, acronyms, and abbreviations
3.1 Definitions
15 3.2 Acronyms and abbreviations
4. Safety/Warning
4.1 Safety
4.2 Safe voltage
16 4.3 Warnings
4.4 Grounding
4.5 Grounding methods
4.6 Grounding methodologies
4.6.1 Open and Isolate all phases and sheath wires at both ends of the underground section, ground only at the work location (single point)
17 4.6.2 Ground all phases and metallic sheath at both ends of the underground section
18 4.6.3 Ground all phases and sheath wires at one end only of the underground section
19 4.6.4 Fault Current
5. General principles
5.1 Equipotentiality
A work zone is Equipotential when all the conducting devices present have the same electrical potential.
5.2 Setting up Equipotentiality
20 5.3 Personal protection measures for operators
5.3.1 Basic equipment
5.3.2 Specialized equipment for the operation
5.4 Prior to work
5.4.1 Circuit modeling
21 5.4.2 Circuit Measurements
6. Single point grounding work procedures
6.1 Cable pulling
6.1.1 Levels of induced voltages during cable pull
22 6.1.2 Removing steel rope and cutting the cable
23 6.2 Jointing
6.2.1 Main steps
6.2.2 Preparation
24 6.2.3 Slip-on joints
30 6.2.4 Plug connector joints
35 6.3 Terminating
6.3.1 Installing the first termination
6.3.2 Parking of single piece parts
36 6.3.3 Installing the second termination on a completed circuit
6.4 Outdoor termination procedure
44 7. Scenarios for multi-point grounding work procedures
7.1 General
45 7.2 Different scenarios
7.3 Building a new line close to an existing line
7.3.1 Progress from one end towards the other one
47 7.3.2 Progress from two ends towards the middle
50 7.3.3 Cutting an existing line close to an existing line
7.4 Adding a length of line and two joints in an existing line close to another existing line
Cutting: “C”
51 7.4.1 Adding short length of cable
Jointing “J”
52 Annex A (informative) Examples of induction modeling
57 Annex B (informative) Bibliography
IEEE 1727 2013
$46.04