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IEEE 1427 2007

$44.96

IEEE Guide for Recommended Electrical Clearances and Insulation Levels in Air Insulated Electrical Power Substations

Published By Publication Date Number of Pages
IEEE 2007 50
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New IEEE Standard – Active. This guide, covering three-phase ac systems from 1 kV to 800 kV, provides recommended electrical operating and safety clearances and insulation levels in air-insulated electric supply substations; addresses insulation coordination procedures; provides design procedures for the selection and coordination of the insulation levels within the station as they relate to substation clearances; and addresses how reduced clearances in high-voltage ac substations will allow for compact bus arrangements and substation voltage uprating applications.

PDF Catalog

PDF Pages PDF Title
1 IEEE Std 1427-2006 Front Cover
3 IEEE Guide for Recommended Electrical Clearances and Insulation Levels in Air-Insulated Electrical Power Substations
6 Introduction
Notice to users
Errata
Interpretations
Patents
Participants
9 Contents
11 IEEE Guide for Recommended Electrical Clearances and Insulation Levels in Air-Insulated Electrical Power Substations
1. Overview
1.1 Scope
1.2 Purpose
12 2. Normative references
3. Definitions
14 4. Criteria
4.1 Safety codes and regulations
15 4.2 Basic lightning impulse insulation level criteria
4.3 Radio interference voltage and corona criteria
4.4 Operating history
4.5 Economic aspects
4.6 Community acceptance
5. Substation insulation coordination
16 5.1 Protective margins and arrester maximum continuous operating voltage
5.2 Selection of basic lightning impulse insulation level and basic switch impulse insulation level
19 5.3 Selection of electrical clearances
20 6. Electrical operating/design clearances
6.1 General discussion
21 6.2 Historical background
22 6.3 Clearances based on lightning impulse conditions
24 6.4 Clearances based on switching surge conditions
29 7. Electric maintenance/safety clearances
8. Substation voltage uprating and compact design
30 8.1 BIL/System voltage ratio concept
31 8.2 Other considerations
32 Annex A (informative) Bibliography
38 Annex B (informative) Example calculations
IEEE 1427 2007
$44.96