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Three-legged transformer core made by amorphous alloy (a); transformer continuous core [15] during the automated manufacturing process (b).

Three-legged transformer core made by amorphous alloy (a); transformer continuous core [15] during the automated manufacturing process (b).

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Figure 1. Three-legged transformer core made by amorphous alloy (a);...
Figure 2. Position of the electrical feeding substations (ESSs) in blue...
Figure 3. Scheme of ESS, including measurement system.
Figure 4. Scheme of the ESS equipped with storage system.
+9 Figure 5. Battery current and SOC when having 10 storage systems...
Use of AMT Transformers and Distributed Storage Systems to Enhance Electrical Feeding Systems for Tramways
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  • Sep 2020
Tramway systems are more and more diffused today, to reduce pollution and greenhouse emissions. However, their electrical feeding substations can have significant margin for improvement. Therefore, it is questionable which kind of changes can be introduced, by changing their main features. First of all, transformer technology can be enhanced, by mo...
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Context 1
... the amorphous ribbon does not have a mechanical stiffness, the transformer core no longer has the function of holding up the coils. As a result, the structural design of this machine is significantly different compared to a transformer with RGO silicon steels, as shown in Figure 1a. Due to their significant different mechanical properties, another transformer manufacturing technique is also needed. ...
Context 2
... flux concentrations in the neighborhood of the joint gaps cause additional iron losses. By exploiting the mechanical characteristics (flexibility) of ribbon [15] proposes an innovative assembly process for wound ferromagnetic core in which the joint gaps are eliminated, as in Figure 1b. All this, in addition to further improvement of the efficiency, will ensure a high standard product. ...
Context 3
... of all, starting from the architecture depicted in Figure 1a, it has been made the analytical winding size, then moving to the CAD modelling and finally the FEM analysis. Main parameters of the 1100 kVA rectifier transformer with amorphous alloy core have been finally summarized in the next Table 5. ...