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Do you need a multi-user copy? Our prices are in Swiss francs CHF. We accept all major credit cards American Express, Mastercard and Visa , PayPal and bank transfers as form of payment. Preview Abstract IEC is applicable to the mechanical and thermal effects of short-circuit currents.
It contains procedures for the calculation of: the electromagnetic effect on rigid conductors and flexible conductors, the thermal effect on bare conductors.
For the electromagnetic and thermal effects in d. Only a. This third edition cancels and replaces the second edition published in and constitutes a technical revision.
The main changes with respect to the previous edition are: - The determinations for automatic reclosure together with rigid conductors have been revised.
For vertical cable-connection the displacement and the tensile force onto the lower fixing point may now be calculated. Additional recommendations for foundation loads due to tensile forces have been added. The subclause for determination of the thermal equivalent short-circuits current has been deleted it is now part of IEC The regulations for thermal effects of electrical equipment have been deleted.
The standard has been reorganized and some of the symbols have been changed to follow the conceptual characteristic of international standards. Look inside. General aspects The following test report forms are related:. TC 73 - Short-circuit currents rss.
IEC -865-1 Short Ckt. Forces