DD ENV 50196:1995
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.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
Hardcopy , PDF
20-04-2012
English
15-10-1995
Important note : Users cannot be edited or removed once added to your Multi user PDF.
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Withdrawn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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