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DD ENV 50196:1995

Withdrawn
Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

Live working. Required insulation level and related air distances. Calculation method
Available format(s)

Hardcopy , PDF

Withdrawn date

04-20-2012

Language(s)

English

Published date

10-15-1995

Contents
Foreword
Foreword to Amendment 1
Introduction
Clause
1. Scope
    1.1 Subject
    1.2 Field of applicability
2. Normative references
3. Definitions
    3.1 IEV definitions
    3.2 Special definitions
4. Abbreviations
    4.2 Symbols
5. Calculation of the Required Insulation Level for Live
    Working, RILL
6. Calculation of the air distances related to the RILL
    6.1 Basic air distance Db
    6.2 Required minimum working distance between parts
         at different potential
    6.3 Required minimum working distance between the worker
         and parts at different potential
    6.4 Convential deviation factor kz
    6.5 Floating electrodes
    6.6 Insulator damage factor kc
    6.7 Altitude factor ka
    6.8 Gap factor kg
Annexes
A - Theoretical background of the specified method of
calculation
B - Live working under pollution, humidity and damaged
insulators
C - Determination of the ergonomic component
D - Typical values of switching overvoltages, RILL and air
distances

Provides a guide to the minimum safe distances of a worker from electrical parts at different potential.

Committee
PEL/78
DocumentType
Standard
Pages
24
PublisherName
British Standards Institution
Status
Withdrawn

Standards Relationship
ENV 50196:1995/A1:1997 Identical

IEC 60028:1925 International standard of resistance for copper
IEC 60050-601:1985 International Electrotechnical Vocabulary (IEV) - Part 601: Generation, transmission and distribution of electricity - General
IEC 60071-2:1996 Insulation co-ordination - Part 2: Application guide
IEC 60071-1:2006+AMD1:2010 CSV Insulation co-ordination - Part 1: Definitions, principles and rules

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US$237.18
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