IEEE 1617:2007
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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DETECTION, MITIGATION, AND CONTROL OF CONCENTRIC NEUTRAL CORROSION IN MEDIUM-VOLTAGE UNDERGROUND CABLES
Hardcopy , PDF
12-07-2024
English
18-02-2007
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1 Overview
1.1 Scope
1.2 Purpose
2 Normative references
3 Definitions
4 Purpose of the concentric neutral wires
4.1 Path for flow of charging currents
4.2 Path for flow of fault currents
4.3 Reduce step and touch potential
4.4 Provide a system neutral
4.5 Types of concentric wires
5 Consequences of significant neutral corrosion
5.1 Cable failures caused by loss of metallic shield component
5.2 Improper operation of protective devices
5.3 Stray currents and interference
5.4 Effects on power quality
5.5 National Codes
6 Causes of neutral corrosion
6.1 Galvanic corrosion cell
6.2 Corrosion cell set up on a single metal
6.3 Soil corrosion
6.4 Differential aeration
6.5 Unintended or stray electrical currents
6.6 The coating of concentric neutral wires
7 Detection and evaluation
7.1 Visual inspection
7.2 Test concentric neutral using a time domain reflectometer (TDR)
7.3 Concentric neutral resistance measurement method
7.4 Surface voltage measurement technique
8 Control and mitigation
8.1 Cathodic protection using anodes and rectifiers
8.2 Cable replacement
8.3 Use of jacketed cable
8.4 Economic considerations with existing and new cable
Annex A (informative) Bibliography
This guide provides a summary of the methods for detection, mitigation, and control of concentric neutral corrosion in medium-voltage, unjacketed, underground distribution cable installed direct buried or in conduit.
| DocumentType |
Standard
|
| ISBN |
978-0-7381-5701-6
|
| Pages |
28
|
| PublisherName |
Institute of Electrical & Electronics Engineers
|
| Status |
Superseded
|
| SupersededBy |
| IEEE 400-2012 REDLINE | IEEE Guide for Field Testing and Evaluation of the Insulation of Shielded Power Cable Systems Rated 5 kV and Above |
| IEEE 532-2007 REDLINE | IEEE Guide for Selecting and Testing Jackets for Power, Instrumentation, and Control Cables |
| IEEE 400.2-2013 REDLINE | IEEE Guide for Field Testing of Shielded Power Cable Systems Using Very Low Frequency (VLF)(less than 1 Hz) |
| IEEE 532-2007 REDLINE | IEEE Guide for Selecting and Testing Jackets for Power, Instrumentation, and Control Cables |
| ICEA S 94 649 : 2013 | CONCENTRIC NEUTRAL CABLES RATED 5 THROUGH 46 KV |
| NACE RP 02 85 : 2002 | CORROSION CONTROL OF UNDERGROUND STORAGE TANK SYSTEMS BY CATHODIC PROTECTION |
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