ДСТУ IEC/TR 62271-302:2017 Устройства контрольные распределительные высоковольтные. Часть 302. Автоматические выключатели переменного тока с целевой неодновременной работой с полюсами (IEC/TR 62271-302:2010,...

ПІДТВЕРДЖУВАЛЬНЕ ПОВІДОМЛЕННЯ

Державне підприємство
«Український науково-дослідний і навчальний центр
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(ДП «УкрНДНЦ»)

Наказ від 07.08.2017 № 213

High-voltage switchgear and controlgear –
Part 302: Alternating current circuit-breakers with intentionally non-simultaneous
pole operation

прийнято як національний стандарт
методом «підтвердження» за позначенням

ДСТУ IEC/TR 62271-302:2017
(IEC/TR 62271-302:2010, IDT)

Пристрої контрольні розподільчі високовольтні. Частина 302. Автоматичні вимикачі
змінного струму з цільовою неодночасною роботою з полюсами

З наданням чинності від 2017–10–01

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

CONTENTS

FOREWORD

1 General

1.1 Scope

1.2 Normative references

2 Normal and special service conditions

3 Terms and definitions

3.1 General terms

3.2 Assemblies

3.3 Parts of assemblies

3.4 Switching devices

3.5 Parts of circuit-breakers

3.6 Operation

3.7 Characteristic quantities

4 Ratings

4.101 Rated making window of a circuit-breaker

4.102 Rated short-circuit making current

5 Design and construction

5.1 Requirements for liquids in circuit-breakers

5.2 Requirements for gases in circuit-breakers

5.3 Earthing of circuit-breakers

5.4 Auxiliary equipment

5.5 Dependent power closing

5.6 Stored energy closing

5.7 Independent manual operation

5.8 Operation of releases

5.9 Low- and high-pressure interlocking devices

5.10 Nameplates

5.11 Interlocking devices

5.12 Position indication

5.13 Degrees of protection by enclosures

5.14 Creepage distances

5.15 Gas and vacuum tightness

5.16 Liquid tightness

5.17 Flammability

5.18 Electromagnetic compatibility

5.19 X-ray emission

5.20 Corrosion

5.101 Simultaneity of poles during single closing and single opening operations

5.102 General requirement for operation

5.103 Pressure limits of fluids for operation

5.104 Vent outlets

6 Performance verification tests and parameter definition tests

6.1 General

6.2 Dielectric tests

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

6.4 Measurement of the resistance of the main circuit

6.5 Temperature rise tests

6.6 Short-time withstand current and peak withstand current tests

6.7 Verification of the degree of protection

6.8 Tightness tests

6.9 Electromagnetic compatibility (EMC) tests

6.101 Mechanical and environmental tests

6.102 Miscellaneous provisions for making and breaking tests

6.103 Test circuits for short-circuit making and breaking tests

6.104 Short circuit-test quantities

6.105 Short-circuit test procedure

6.106 Basic short-circuit test-duties

6.107 Critical current tests

6.108 Single-phase and double earth fault tests

6.109 Short-line fault tests

6.110 Out-of-phase making and breaking tests

6.111 Capacitive current switching tests

6.112 Special requirements for making and breaking tests on class E2 circuit breakers

6.113 Determination of the rate of decay of dielectric strength

6.114 Determination of the rate of rise of dielectric strength (RRDS)

6.115 Controlled closing test

7 Routine tests

8 Guide to the selection of circuit-breakers for service

9 Information to be given with enquiries, tenders and orders

10 Rules for transport, storage, installation, operation and maintenance

10.101 Commissioning of circuit-breakers for controlled switching

10.102 Maintenance of controlled switching accuracy

11 Safety

12 Influence of the product on the environment

Annex A (informative) Guidance upon the maximum timing difference between the instants of contact touch/contact separation of breaking units of the same pole for circuit-breakers intended for controlled switching

Annex B (informative) Guidance for the application of the results of parameter definition/combination tests

Annex C (informative) Testing of circuit-breakers with intentionally non-simultaneous poles taking into account controller failure

Annex D (informative) Simplified single-phase example showing the relationship between winding voltage, core flux and magnetizing current for a power transformer

Annex E (informative) An example of the effect of contact wear on RDDS

Annex F (informative) Examples to support the consideration of various operating conditions as independent of each other

Annex G (informative) Examples of the effect of idle time upon operating time

Bibliography