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    • CAN/CSA-E61558-2-1-03 (R2017)

    Codes & Standards - Purchase

    CAN/CSA-E61558-2-1-03 (R2017)

    Safety of Power Transformers, Power Supply Units and Similar - Part 2: Particular Requirements for Separating Transformers for General Use (Adopted CEI/IEC 61558-2-1:1997, first edition, 1997-02) | Sécurité des transformateurs, blocs d'alimentation et analogues - Partie 2: Règles particulières pour les transformateurs d'isolement à enroulement séparés pour usage général (norme CEI/IEC 61558-2-1:1997 adoptée, première édition, 1997-02)
    SKU: 2416017 Published by CSA Group Publication Year 2003 Reaffirmed in 2017 32 pages Withdrawn

    Product Details

    • Preface/Scope

    Scope


    Replacement:

    This part 2 of IEC 61558 applies to stationary or portable, single-phase or polyphase, aircooled separating transformers, associated or not, having a rated supply voltage not exceeding 1000 V a.c., a rated frequency not exceeding 500 Hz, and a rated output not exceeding: . 1 kVA for single-phase transformers; . 5 kVA for polyphase transformers.

    This Standard is also applicable to separating transformers having a rating up to 40 kVA, however such transformers are considered as special transformers and are subjected to an agreement between the purchaser and the supplier.

    The no-load output voltage or the rated output voltage shall not exceed 1000 V a.c. or 1415 V ripple-free d.c.

    This Standard applies to transformers where double or reinforced insulation between circuits is not required by the installation rules or by the appliance specification.

    NOTE 1 : Normally, the transformers are intended to be associated with equipment to provide voltages different from the supply voltage for the functional requirement of the equipment. The safety insulation may be provided (or completed) by other features of the equipment, such as the body. Parts of output circuits may be connected to the input circuit or to protective earth.

    This Standard is also applicable to transformers associated with specific items of equipment, to the extent decided upon by the relevant IEC technical committees.

    This Standard is applicable to dry type transformers. The windings may be encapsulated or non-encapsulated.

    ----------------------------------------------------------------------------------------------------------------
     

    Domaine d’application


    Remplacement:

    La présente partie 2 de la CEI 61558 est applicable aux transformateurs d'isolement à enroulements séparés fixes ou mobiles, monophasés ou polyphasés, à refroidissement par air, associés ou non, ayant une tension primaire assignée ne dépassant pas 1000 V courant alternatif, une fréquence assignée ne dépassant pas 500 Hz et une puissance assignée ne dépassant pas: - 1 kVA pour les transformateurs monophasés; - 5 kVA pour les transformateurs polyphasés.

    Cette norme est aussi applicable aux transformateurs d'isolement à enroulements séparés ayant une puissance assignée jusqu'à 40 kVA; toutefois de tels transformateurs sont considérés comme des transformateurs spéciaux et sont soumis à un agrément entre l'acheteur et le fournisseur.

    La tension secondaire à vide ou la tension secondaire assignée ne doit pas dépasser 1000 V courant alternatif ou 1415 V courant continu lissé.

    Cette norme est applicable aux transformateurs pour lesquels l'isolation double ou renforcée entre les circuits n'est pas requise par les règles d'installation ou la spécification de l'appareil.

    NOTE 1 : Normalement, les transformateurs sont destinés à être associés aux équipements pour procurer des tensions différentes de la tension du réseau pour satisfaire aux exigences fonctionnelles de l'équipement.

    L'isolation de sécurité peut être fournie (ou complétée) par d'autres parties de l'équipement telle la masse. Des parties du circuit secondaire peuvent être connectées au circuit primaire ou à la terre.

    Cette norme est également applicable aux transformateurs associés avec des parties spécifiques d'équipements dans la mesure décidée par les comités techniques de la CEI correspondants.

    Cette norme est applicables aux transformateurs secs. Les enroulements peuvent être enrobés ou non enrobés.
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