Amendment 1 - High-voltage switchgear and controlgear - Part 200: AC metal-enclosed switchgear and controlgear for rated voltages above 1 kV and up to and including 52 kV

Amendement 1 - Appareillage à haute tension - Partie 200: Appareillage sous enveloppe métallique pour courant alternatif de tensions assignées supérieures à 1 kV et inférieures ou égales à 52 kV

General Information

Status
Published
Publication Date
26-Jun-2024
Technical Committee
Drafting Committee
Current Stage
PPUB - Publication issued
Start Date
05-Jul-2024
Completion Date
27-Jun-2024
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IEC 62271-200:2021/AMD1:2024 - Amendment 1 - High-voltage switchgear and controlgear - Part 200: AC metal-enclosed switchgear and controlgear for rated voltages above 1 kV and up to and including 52 kV Released:6/27/2024 Isbn:9782832290583
English and French language
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IEC 62271-200 ®
Edition 3.0 2024-06
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
AMENDMENT 1
AMENDEMENT 1
High-voltage switchgear and controlgear –
Part 200: AC metal-enclosed switchgear and controlgear for rated voltages
above 1 kV and up to and including 52 kV

Appareillage à haute tension –
Partie 200: Appareillage sous enveloppe métallique pour courant alternatif de
tensions assignées supérieures à 1 kV et inférieures ou égales à 52 kV
IEC 62271-200:2021-05/AMD1:2024-06(en-fr)

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IEC 62271-200 ®
Edition 3.0 2024-06
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
AMENDMENT 1
AMENDEMENT 1
High-voltage switchgear and controlgear –

Part 200: AC metal-enclosed switchgear and controlgear for rated voltages

above 1 kV and up to and including 52 kV

Appareillage à haute tension –

Partie 200: Appareillage sous enveloppe métallique pour courant alternatif de

tensions assignées supérieures à 1 kV et inférieures ou égales à 52 kV

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 29.130.10  ISBN 978-2-8322-9058-3

– 2 – IEC 62271-200:2021/AMD1:2024
© IEC 2024
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR –

Part 200: AC metal-enclosed switchgear and controlgear for rated
voltages above 1 kV and up to and including 52 kV

AMENDMENT 1
FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international
co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and
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8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is
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9) IEC draws attention to the possibility that the implementation of this document may involve the use of (a)
patent(s). IEC takes no position concerning the evidence, validity or applicability of any claimed patent rights in
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shall not be held responsible for identifying any or all such patent rights.
Amendment 1 to IEC 62271-200:2021 has been prepared by subcommittee 17C: Assemblies,
of IEC technical committee 17: High-voltage switchgear and controlgear.
The text of this Amendment is based on the following documents:
Draft Report on voting
17C/933/FDIS 17C/938/RVD
Full information on the voting for its approval can be found in the report on voting indicated in
the above table.
© IEC 2024
The language used for the development of this Amendment is English.
This document was drafted in accordance with ISO/IEC Directives, Part 2, and developed in
accordance with ISO/IEC Directives, Part 1 and ISO/IEC Directives, IEC Supplement, available
at www.iec.ch/members_experts/refdocs. The main document types developed by IEC are
described in greater detail at www.iec.ch/publications/.
The committee has decided that the contents of this document will remain unchanged until the
stability date indicated on the IEC website under webstore.iec.ch in the data related to the
specific document. At this date, the document will be
• reconfirmed,
• withdrawn, or
• revised.
___________
INTRODUCTION
Add, at the end of the existing text, the following new paragraph:
Generally, gas-filled medium-voltage designs have design pressures below 500 kPa, as
mentioned for example in the introduction of EN 50187.
2 Normative references
Delete the existing reference to IEC 62271-203:2011.
Add the following normative reference:
ISO 4126-2, Safety devices for protection against excessive pressure – Part 2: Bursting disc
safety devices
3 Terms and definitions
Replace the existing 3.6.101 term, definition and notes to entry with the following:
3.6.101
loss of service continuity category
LSC
category defining the possibility to keep other high-voltage compartments
and/or functional units energized when opening its connection compartment or any other of its
high-voltage compartment(s) accessible in normal use, as stated in definitions 3.5.110 and
3.5.111, giving access to at least part of the high-voltage circuit contained within
Note 1 to entry: The LSC category describes the extent to which the assembly is intended to remain operational
where access to a high-voltage compartment is provided. The extent to which it is considered necessary to open
high-voltage compartments of an installation in service might be dependent on several aspects (refer to 9.101).
Note 2 to entry: The LSC category does not describe or relate to different levels of reliability of assemblies (refer
to 9.101).
Note 3 to entry: In relation to providing access to high-voltage compartments and the associated service continuity,
four categories are defined: LSC1, LSC2, LSC2A, LSC2B (refer to Annex D).

– 4 – IEC 62271-200:2021/AMD1:2024
© IEC 2024
6 Design and construction
6.10 Pressure/level indication
Replace the existing sentence of this subclause with the following new text:
Subclause 6.10 of IEC 62271-1:2017 is applicable with the following addition to 6.10.1 of
IEC 62271-1:2017.
For gas-filled compartments where the minimum functional pressure exceeds 200 kPa (absolute
pressure at 20 °C) an indication shall be provided when the absolute pressure at 20 °C has
fallen below the minimum functional level (refer to 3.6.114).
NOTE 1 The indication might include monitoring of pressure (density).
Closed pressure systems with minimum functional pressure above 200 kPa (absolute pressure)
shall have a defined alarm pressure (density) level.
NOTE 2 Alarm pressure (density) is defined in IEC 62271-1:2017, 3.6.5.3 and 3.6.5.4.
An example of pressure coordination chart is shown in Figure E.1.
6.102.2 Covers and doors
Replace the existing item b) with the following new item:
b) Covers and doors that give access to interlock-controlled accessible or procedure-based
accessible compartments
These covers and doors shall be provided if there is a need to access the compartment for
normal use as stated by the manufacturer. These covers and doors shall not require tools
for their opening or removal. It is permissible that the manipulation of some fixing elements
for their opening or removal is required, and they shall have the following features:
– interlock controlled accessible compartments shall be provided with interlocking devices
so that opening of the compartment shall only be possible when the high-voltage parts
contained in the compa
...

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