09/30205410 DC : 0
Superseded
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BS EN 62271-204 - HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 204: RIGID HIGH-VOLTAGE, GAS-INSULATED TRANSMISSION LINES FOR RATED VOLTAGES OF 72,5 KV AND ABOVE
Hardcopy , PDF
10-31-2011
English
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FOREWORD
1 General
1.1 Scope
1.2 Normative references
2 Normal and special service conditions
2.1 Installation in open air
2.2 Buried installation
2.3 Installation in tunnel, shaft or similar situation
3 Terms and Definitions
4 Ratings
4.1 Rated voltage (Ur)
4.2 Rated insulation level
4.3 Rated frequency (fr)
4.4 Rated normal current, temperature rise and
short time overload capability
4.5 Rated short-time withstand current (Ik)
4.6 Rated peak withstand current (Ip)
4.7 Rated duration of short circuit (tk)
4.8 Rated supply voltage of closing and opening
devices and of auxiliary circuits
4.9 Rated supply frequency of closing and opening
devices and of auxiliary circuits
4.10 Rated filling pressure for insulation
5 Design and construction
5.1 Requirements for gases in GIL
5.2 Earthing
5.3 Auxiliary equipment - Monitoring systems
5.4 Low- and high-pressure signalling devices
5.5 Nameplates, identification and marking
5.6 Degree of protection
5.7 Internal fault
5.8 Enclosures
5.9 Partitions & Partitioning
5.10 Sectionalizing of a GIL system
5.11 Pressure relief
5.12 Compensation of thermal expansion
5.13 Corrosion protection for buried installations
5.14 External vibration
5.15 Gas tightness
5.16 Supporting structures for non-buried GIL
6 Type tests
6.1 General
6.2 Dielectric tests
6.3 Measurement of the resistance of the main circuit
6.4 Temperature-rise tests
6.5 Short-time and peak withstand current tests
6.6 Verification of the degree of protection for
auxiliary circuits
6.7 Proof tests for enclosures
6.8 Gas tightness tests
6.9 Anti-corrosion tests for buried installation
6.10 Special mechanical test on sliding contacts
6.11 Weatherproofing test
6.12 Test under conditions of arcing due to internal fault
7 Routine tests
7.1 Power-frequency voltage tests on the main circuits
7.2 Dielectric tests on auxiliary and control circuits
7.3 Measurement of the resistance of the main circuit
7.4 Partial discharge measurement
7.5 Pressure tests of enclosures
7.6 Routine gas tightness tests of pressure systems
7.7 Anti-corrosion tests for buried installations
8 Site testing
8.1 Voltage test on the main circuits
8.2 Measurement of gas conditions
8.3 Measurement of the resistance of the main circuit
8.4 Tests on enclosures welded on site
8.5 Periodic testing of the enclosure
8.6 Checks and verifications
8.7 Tests on corrosion protection for directly buried GIL
9 Information to be given with enquiries, tenders and orders
9.1 Information with enquiries and orders
9.2 Information with tenders and contract documentation
10 Rules for transport, storage, installation and maintenance
10.1 Conditions during transport, storage and installation
10.2 Installation
10.3 Maintenance
11 Safety
11.1 Electrical aspects
11.2 Mechanical aspects
11.3 Thermal aspects
11.4 Maintenance aspects
Annexes
A (informative) - Estimation of continuous current
B (informative) - Earthing
C (normative) - Long-term testing of buried installations
BS EN 62271-204
| Committee |
PEL/17/1
|
| DocumentType |
Draft
|
| Pages |
51
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy |
| IEC 60480:2004 | Guidelines for the checking and treatment of sulfur hexafluoride (SF<sub>6</sub>) taken from electrical equipment and specification for its re-use |
| IEC 60270:2000+AMD1:2015 CSV | High-voltage test techniques - Partial discharge measurements |
| IEC 60068-1:2013 | Environmental testing - Part 1: General and guidance |
| IEC 60050-151:2001 | International Electrotechnical Vocabulary (IEV) - Part 151: Electrical and magnetic devices |
| IEC 60050-441:1984 | International Electrotechnical Vocabulary (IEV) - Part 441: Switchgear, controlgear and fuses |
| IEC 60376:2005 | Specification of technical grade sulfur hexafluoride (SF<sub>6</sub>) for use in electrical equipment |
| IEC 60529:1989+AMD1:1999+AMD2:2013 CSV | Degrees of protection provided by enclosures (IP Code) |
| IEC 62271-203:2011 | High-voltage switchgear and controlgear - Part 203: Gas-insulated metal-enclosed switchgear for rated voltages above 52 kV |
| IEC 60376B:1974 | Second supplement: Clause 26 |
| IEC 60287-3-1:2017 | Electric cables - Calculation of the current rating - Part 3-1: Operating conditions - Site reference conditions |
| IEC 62271-1:2017 | High-voltage switchgear and controlgear - Part 1: Common specifications for alternating current switchgear and controlgear |
| IEC 60060-1:2010 | High-voltage test techniques - Part 1: General definitions and test requirements |
| IEC 60071-1:2006+AMD1:2010 CSV | Insulation co-ordination - Part 1: Definitions, principles and rules |
| IEC 60376A:1973 | First supplement: Section Thirteen: Mineral oil content |
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