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    • International Standards - Canadian Electrical Code Part II
    • CAN/CSA-E61558-2-2-03 (R2017)

    Codes & Standards - Purchase

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

    Safety of Power Transformers, Power Supply Units and Similar - Part 2-2: Particular Requirements for Control Transformers (Adopted CEI/IEC 61558-2-2:1997, first edition, 1997-10) | Sécurité des transformateurs, blocs d'alimentation et analogues - Partie 2-2: Règles particulières pour les transformateurs de commande (norme CEI/IEC 61558-2-2:1997 adoptée, première édition, 1997-10)
    SKU: 2416035 Published by CSA Group Publication Year 2003 Reaffirmed in 2017 34 pages Withdrawn

    Product Details

    • Preface/Scope
    Scope

    Replacement:

    This part 2-2 of IEC 61558 applies to stationary or portable, single-phase or poly-phases, aircooled control transformers associated or otherwise having a rated supply voltage not exceeding 1 000 V a.c. or 1 415 V ripple free d.c. and rated frequency not exceeding 500 Hz and no limitation of the rated output.

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

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

    NOTE 1 : Normally, these 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.

    NOTE 2 : For transformers filled with liquid dielectric or pulverised material, such as sand, additional requirements are under consideration.

    NOTE 3 : In locations where special environmental conditions prevail, particular requirements may be necessary in accordance with IEC 60364-5-51.
    ---------------------------------------------------------------------------------------------------- 

    Domaine d'application

    Remplacement:

    La présente partie 2-2 de la CEI 61558 est applicable aux transformateurs de commande fixes ou mobiles, monophasés ou polyphasés, à refroidissement par air, associés ou non, ayant une tension primaire assignée ne dépassant pas 1 000 V en courant alternatif ou 1 415 V en courant continu lissé, une fréquence assignée ne dépassant pas 500 Hz et sans limitation de la puissance assignée.

    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.

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

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

    NOTE 2 : Pour les transformateurs à remplissage par diélectrique liquide ou par des matières pulvérulentes telles que le sable, des prescriptions supplémentaires sont à l'étude.

    NOTE 3 : Pour l'emploi dans des emplacements présentant des conditions particulières d'environnement, des règles spéciales peuvent être exigées conformément à la CEI 60364-5-51.
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