ДСТУ EN IEC 62271-202:2024 Устройства распределительные высоковольтные. Часть 202. Сборные подстанции переменного тока на номинальное напряжение выше 1 кВ и до 52 кВ включительно (EN IEC 62271-202:2022, IDT;...

ДСТУ EN IEC 62271-202:2024
(EN IEC 62271-202:2022, IDT; IEC 62271-202:2022, IDT)

Пристрої контрольні розподільчі високовольтні. Частина 202. Збірні підстанції

змінного струму на номінальну напругу вище 1 кВ та до 52 кВ включно

 
   
 
Не є офіційним виданням.
Офіційне видання розповсюджує національний орган стандартизації
(ДП «УкрНДНЦ» http://uas.gov.ua)

Contents

Foreword

Introduction

1 Scope

2 Normative references

3 Terms and definitions

3.1 General terms and definitions

3.2 Assemblies of switchgear and controlgear

3.3 Parts of assemblies

3.4 Switching devices

3.5 Parts of switchgear and controlgear

3.6 Operational characteristics of switchgear and controlgear

3.7 Characteristic quantities

3.8 Index of definitions

4 Normal and special service conditions

4.1 Normal service conditions

4.2 Special service conditions

5 Ratings

5.1 General

5.2 Rated voltage (U_r)

5.3 Rated insulation level (U_d, U_p, U_s)

5.4 Rated frequency (I_r)

5.5 Rated continuous current (I_r)

5.6 Rated short-time withstand current (I_k)

5.7 Rated peak withstand current (I_p)

5.8 Rated duration of short-circuit (I_k)

5.9 Rated supply voltage of auxiliary and control circuits (U_a)

5.10 Rated supply frequency of auxiliary and control circuits

5.11 Rated pressure of compressed gas supply for controlled pressure systems

5.101 Rated power of prefabricated substation and class of enclosure

5.102 Ratings of the internal arc classification (IAC)

6 Design and construction

6.1 Requirements for liquids in switchgear and controlgear

6.2 Requirements for gases in switchgear and controlgear

6.3 Earthing of switchgear and controlgear

6.4 Auxiliary and control equipment and circuits

6.5 Dependent power operation

6.6 Stored energy operation

6.7 Independent unlatched operation (independent manual or power operation)

6.8 Manually operated actuators

6.9 Operation of releases

6.10 Pressure/level indication

6.11 Nameplates

6.12 Locking devices

6.13 Position indication

6.14 Degrees of protection provided by enclosures

6.15 Creepage distances for outdoor insulators

6.16 Gas and vacuum tightness

6.17 Tightness for liquid systems

6.18 Fire hazard (flammability)

6.19 Electromagnetic compatibility (EMC)

6.20 X-ray emission

6.21 Corrosion

6.22 Filling levels for insulation, switching and/or operation

6.101 Protection of the prefabricated substation against mechanical stress

6.102 Protection of the environment due to internal defects

6.103 Internal arc fault

6.104 Enclosure

6.105 Other provisions

6.106 Sound emission

6.107 Electromagnetic fields

6.108 Solar radiation

7 Type tests

7.1 General

7.2 Dielectric tests

7.3 Radio interference voltage (RIV) test

7.4 Resistance measurement

7.5 Continuous current tests

7.6 Short-time withstand current and peak withstand current tests

7.7 Verification of the protection

7.8 Tightness tests

7.9 Electromagnetic compatibility tests (EMC)

7.10 Additional tests on auxiliary and control circuits

7.11 X-radiation test for vacuum interrupters

7.101 Calculations and mechanical tests

7.102 Internal arc test

7.103 Measurement or calculation of electromagnetic fields

8 Routine tests

8.1 General

8.2 Dielectric test on the main circuit

8.3 Test on auxiliary and control circuits

8.4 Measurement of the resistance of the main circuit

8.5 Tightness test

8.6 Design and visual checks

8.101 Other functional tests

8.102 Tests after assembly on site

9 Guide to the selection of switchgear and controlgear (informative)

9.101 General

9.102 Selection of rated values

9.103 Selection of class of enclosure

9.104 Internal arc fault

9.105 Summary of technical requirements and ratings

10 Information to be given with enquiries, tenders and orders (informative)

10.1 General

10.2 Information with enquiries and orders

10.3 Information with tenders

11 Transport, storage, installation, operating instructions and maintenance

11.1 General

11.2 Conditions during transport, storage and installation

11.3 Installation

11.4 Operating instructions

11.5 Maintenance

12 Safety

12.101 General

12.102 Electrical aspects

12.103 Mechanical aspects

12.104 Thermal aspects

12.105 Internal arc aspects

13 Influence of the product on the environment

Annex A (normative) Internal arc fault - Method to verify the internal arc classification (IAC)

Annex В (normative) Test to verify the sound level of a high-voltage/low-voltage transformer prefabricated substation

Annex C (normative) Mechanical impact test

Annex D (informative) Rating of power transformers in an enclosure

Annex E (informative) Examples of earthing arrangements

Annex F (informative) Characteristics of enclosure materials

Annex G (informative) Evaluation of the impact of solar radiation - Simulated solar radiation continuous current test

Annex H (informative) Installation conditions of electronic equipment

Bibliography