High-voltage alternating-current circuit-breakers

Applies to a.c. circuit-breakers designed for indoor or outdoor installation and operation at frequencies up to and including 60 Hz on systems having voltages above 1 000 V. Applies only to three-pole circuit-breakers for use in three-phase systems and single-pole circuit-breakers for use in single-phase systems. Two-pole circuit-breakers for use in single-phase systems are subject to agreement between manufacturer and user. Also applies to the operating devices of circuit-breakers and their auxiliary equipment. However, circuit-breakers with a closing mechanism for dependent manual operation are not covered since a rated short-circuit-making current cannot be specified, and dependent manual operation may be objectionable because of safety considerations. Does not cover circuit-breakers intended for use on motive power units of electrical traction equipment, or circuit-breakers for use with overhead lines which include series capacitors.

Hochspannungs-Wechselstrom-Leistungsschalter

Disjoncteurs à courant alternatif à haute tension

La présente norme est applicable aux disjoncteurs à courant alternatif prévus pour l'installation à l'intérieur et à l'extérieur et pour fonctionner à des fréquences inférieures ou égales à 60 Hz, sur des réseaux de tension supérieure à 1 000 V. Elle est applicable uniquement aux disjoncteurs tripolaires pour réseaux triphasés et aux disjoncteurs unipolaires pour réseaux monophasés. Les disjoncteurs bipolaires pour réseaux monophasés font l'objet d'un accord entre constructeur et utilisateur. Cette norme est également applicable aux dispositifs de commande des disjoncteurs et à leur équipement auxiliaire. Toutefois, cette norme ne couvre pas les disjoncteurs comportant un mécanisme de fermeture à manoeuvre dépendante manuelle, car pour ces appareils, on ne peut spécifier un pouvoir de fermeture assigné en court-circuit et une telle manoeuvre dépendante manuelle peut être inacceptable pour des raisons de sécurité. Cette norme ne couvre ni les disjoncteurs destinés aux unités motrices des équipements de traction électrique ni les disjoncteurs prévus pour être raccordés à des lignes aériennes comportant des condensateurs en série.

High-voltage alternating-current circuit-breakers

General Information

Status
Withdrawn
Publication Date
02-Apr-1998
Withdrawal Date
01-Jul-2002
Current Stage
6060 - Document made available
Start Date
03-Apr-1998
Completion Date
03-Apr-1998

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Standards Content (sample)

SLOVENSKI STANDARD
SIST HD 348 S7:2001
01-marec-2001
1DGRPHãþD
SIST HD 348 S5:1995
High-voltage alternating-current circuit-breakers
High-voltage alternating-current circuit-breakers
Hochspannungs-Wechselstrom-Leistungsschalter
Disjoncteurs à courant alternatif à haute tension
Ta slovenski standard je istoveten z: HD 348 S7:1998
ICS:
29.130.10 Visokonapetostne stikalne in High voltage switchgear and
krmilne naprave controlgear
SIST HD 348 S7:2001 en

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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