Hivatkozási szám

MSZ EN 62271-100:2009

Dokumentumazonosító

147746

Cím

Nagyfeszültségű kapcsoló- és vezérlőkészülékek. 100. rész: Váltakozó áramú megszakítók (IEC 62271-100:2008)

Angol cím

High-voltage switchgear and controlgear. Part 100: Alternating-current circuit-breakers (IEC 62271-100:2008)

Alkalmazási terület

This part of IEC 62271 is applicable to a.c. circuit-breakers designed for indoor or outdoor installation and for operation at frequencies of 50 Hz and 60 Hz on systems having voltages above 1 000 V. It is only applicable to three-pole circuit-breakers for use in three-phase systems and singlepole circuit-breakers for use in single-phase systems. Two-pole circuit-breakers for use in single-phase systems and application at frequencies lower than 50 Hz are subject to agreement between manufacturer and user. This standard is also applicable to the operating devices of circuit-breakers and to their auxiliary equipment. However, a circuit-breaker with a closing mechanism for dependent manual operation is not covered by this standard, as a rated short-circuit making-current cannot be specified, and such dependent manual operation may be objectionable because of safety considerations. Rules for circuit-breakers with an intentional non-simultaneity between the poles are under consideration; circuit-breakers providing single-pole auto-reclosing are within the scope of this standard. NOTE 1 Circuit-breakers with an intentional non-simu0ltaneity between the poles may, in some instances, be tested in accordance with this standard. For example, mechanically staggered pole designs can be tested according to this standard using three-phase direct tests. For synthetic testing, determining the most appropriate tests, particularly in respect to test current, recovery voltage and transient recovery voltage, is subject to agreement between manufacturer and user. This standard does not cover circuit-breakers intended for use on motive power units of electrical traction equipment; these are covered by IEC 60077 [1]1. Generator circuit-breakers installed between generator and step-up transformer are not within the scope of this standard. Switching of inductive loads is covered by IEC 62271-110. This standard does not cover self-tripping circuit-breakers with mechanical tripping devices or devices which cannot be made inoperative. Circuit-breakers installed as by-pass switches in parallel with line series capacitors and their protective equipment are not within the scope of this standard. These are covered by IEC 62271-109 [2] and IEC 60143-2 [3]. NOTE 2 Tests to prove the performance under abnormal conditions should be subject to agreement between manufacturer and user. Such abnormal conditions are, for instance, cases where the voltage is higher than the rated voltage of the circuit-breaker, conditions which may occur due to sudden loss of load on long lines or cables.

ICS

29.130.10 Nagyfeszültségű kapcsoló- és vezérlőberendezések

Műszaki Bizottság

A szabvány nyelve

angol

Az érvényesség kezdete

2009-07-01

A visszavonás napja

2024-08-11

Forrás

idt IEC 62271-100:2008; idt EN 62271-100:2009

Előd

MSZ EN 62271-100:2002, MSZ EN 62271-100:2001/A1:2003, MSZ EN 62271-100:2001/A2:2007

Utód

MSZ EN IEC 62271-100:2022

Módosítás

MSZ EN 62271-100:2009/A1:2013, MSZ EN 62271-100:2009/A2:2018

SZK-közlemények

Kapcsolódó európai jogszabály

A szabvány

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