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ICS: Total price excl. View cart. Sprog en. Add to basket. Antal Enheder 1 device 3 devices. Continue shopping Proceed to checkout. Continue shopping. Proceed to checkout. Previous 1 Next. Price from:. Scope This Standard applies to power transformers complying with the series of publications IEC It is intended to provide information to users about: — certain fundamental service characteristics of different transformer connections and magnetic circuit designs, with particular reference to zero-sequence phenomena; — system fault currents in transformers with YNynd and similar connections; — parallel operation of transformers, calculation of voltage drop or rise under load, and calculation of load loss for three-winding load combinations; — selection of rated quantities and tapping quantities at the time of purchase, based on prospective loading cases; — application of transformers of conventional design to convertor loading; — measuring technique and accuracy in loss measurement.
Part of the information is of a general nature and applicable to all sizes of power transformers. Several chapters, however, deal with aspects and problems which are of the interest only for the specification and utilization of large high-voltage units. The recommendations are not mandatory and do not in themselves constitute specification requirements. Information concerning loadability of power transformers is given in IEC , for oilimmersed transformers, and IEC , for dry-type transformers.
Guidance for impulse testing of power transformers is given in IEC Reactors Item number: Do not show this again. You must be logged in to sign up for monitoring You must be logged in to sign up for subscription. Close Login. There is a problem adding monitoring - please try again later There is a problem adding the subscription - please try again later. Du abonnerer allerede dette emne. Close Monitor Subscribe. Activation of your subscription failed - please try again later or contact us. Activation of monitoring failed - please try again later or contact us.
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Guide to the lightning impulse and switching impulse testing of power transformers and reactors
Post a Comment. The types of capacitors available range from very small delicate trimming capacitors using an oscillator or radio circuits, up to large p Complete basics and theory of Electrical Transformer. Electrical Transformer is the most used electrical machine in power system.