ДСТУ EN 62271-204:2016 Устройства контрольные распределительные высоковольтные. Часть 204. Токопроводы с газовой изоляцией на номинальное напряжение свыше 52 кВ (EN 62271-204:2011, IDT)

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EN 62271-204:2011

High-voltage switchgear and controlgear –
Part 204: Rigid gas-insulated transmission lines for rated voltage above 52 kV

прийнято як національний стандарт
методом «підтвердження» за позначенням
 

ДСТУ EN 62271-204:2016
(EN 62271-204:2011, IDT)

Пристрої контрольні розподільчі високовольтні.
Частина 204. Струмопроводи з газовою ізоляцією на номінальну напругу понад 52 кВ

З наданням чинності від 2016–09–15

CONTENTS

1 General

1.1 Scope

1.2 Normative references

2 Normal and special service conditions

2.101 Installation in open air

2.102 Buried installation

2.103 Installation in tunnel, shaft or similar situation

3 Terms and definitions

4 Ratings

4.1 Rated voltage (U_r)

4.2 Rated insulation level

4.3 Rated frequency (f_r)

4.4 Rated normal current and temperature rise

4.5 Rated short-time withstand current (I_k)

4.6 Rated peak withstand current (I_p)

4.7 Rated duration of short circuit (t_k)

4.8 Rated supply voltage of closing and opening devices and of auxiliary and control circuits (U_a)

4.9 Rated supply frequency of closing and opening devices and of auxiliary circuits

4.10 Rated pressure of compressed gas supply for controlled pressure systems

4.11 Rated filling levels for insulation and/or operation

5 Design and construction

5.1 Requirements for liquids in GIL

5.2 Requirements for gases in GIL

5.3 Earthing

5.4 Auxiliary and control equipment

5.5 Dependent power operation

5.6 Stored energy operation

5.7 Independent manual or power operation (independent unlatched operation)

5.8 Operation of releases

5.9 Low- and high-pressure interlocking and monitoring devices

5.10 Nameplates

5.11 Interlocking devices

5.12 Position indication

5.13 Degree of protection provided by enclosures

5.14 Creepage distances for outdoor insulators

5.15 Gas and vacuum tightness

5.16 Liquid tightness

5.17 Fire hazard (flammability)

5.18 Electromagnetic compatibility (EMC)

5.19 X-ray emission

5.20 Corrosion

5.101 Internal fault

5.102 Enclosures

5.103 Partitions and partitioning

5.104 Sections of a GIL system

5.105 Pressure relief

5.106 Compensation of thermal expansion

5.107 External vibration

5.108 Supporting structures for non-buried GIL

6 Type tests

6.1 General

6.2 Dielectric tests

6.3 Radio interference voltage (r.i.v.) test

6.4 Measurement of the resistance of circuits

6.5 Temperature-rise tests

6.6 Short-time withstand current and peak withstand current tests

6.7 Verification of the protection

6.8 Tightness tests

6.9 Electromagnetic compatibility tests (EMC)

6.10 Additional test on auxiliary and control circuits

6.11 X-radiation test procedure for vacuum interrupters

6.101 Proof tests for enclosures

6.102 Destructive pressure tests

6.103 Anti-corrosion tests for buried installation

6.104 Special mechanical test on sliding contacts

6.105 Test under conditions of arcing due to internal fault

6.106 Weatherproofing test

7 Routine tests

7.1 Dielectric 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 Tightness test

7.5 Design and visual checks

7.101 Partial discharge measurement

7.102 Pressure tests of factory made enclosures

8 Guide to the selection of GIL

8.101 Short time overload capability

8.102 Forced cooling

9 Information to be given with enquiries, tenders and orders

9.101 Information with enquiries and orders

9.102 Information with tenders and contract documentation

10 Transport, storage, installation, operation and maintenance

10.1 Conditions during transport, storage and installation

10.2 Installation

10.3 Operation

10.4 Maintenance

11 Safety

11.1 Precautions by manufacturers

11.2 Precautions by users

11.3 Electrical aspects

11.4 Mechanical aspects

11.5 Thermal aspects

11.101 Maintenance aspects

12 Influence of the product on the environment

Annex A (informative) Estimation of continuous current

Annex B (informative) Earthing

Annex C (normative) Long-term testing of buried installations

Bibliography