This paper aims to present a new equivalent scheme of multi-windings traction transformers, based on multiport purely inductive circuit. The mathematical background of this equivalent scheme is described. The determination of the different scheme elements is made through a finite-elements calculation of both main and leakage inductances, for the case of a four-winding transformer. A procedure is defined, which allows to estimate the values of these elements from some measurements on the transformer at no-load and short-circuit operations. A specific strategy of short-circuit tests is described, allowing to determine all parameters in a rather simple way.
The article La Rilettura del romanzo Il fu Mattia Pascal di Luigi Pirandello nell’otica del racconto cinematografico di Mario Monicelli, presents an individual story of Mattia Pascal and his reincarnations in Adriano Meis and the late Mattia Pascal. It concentrates on the journey of the main character, in the original dimension of time and space, in search of a new, happy life and of his identity. In reference to the subject matter included here, various different theories are applied to the cinematic analysis of the ‘new’ work of Pirandello.