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This article presents a planar transformer design and optimization method for high power density on-board chargers (OBCs) utilized in electric vehicles (EVs). Owing to considerations of electrical safety, OBCs require an isolated converter, leading to a substantial increase in volume due to the inclusion of a transformer.
The experimental results showed that the proposed HFT achieved a balanced flux density and magnetizing inductance with a high power density and low cost. Moreover, the transformer performed at a maximum efficiency of 98.67%, with a decrease of 3.33 °C in the overall temperature of the transformer as compared to the transformer without air gaps. 1.
To address this issue and achieve high power density, a planar transformer is used, and an optimized design method is proposed for pattern arrangement, width, and core shape. The feasibility of the design is verified through the development of a 3.3 kW OBC prototype.
For example, the costs of a 211-MVA “generation step-up” transformer — required for power projects that connect directly to the high-voltage transmission system — climbed from $2mn to $2.9mn. “It’s something that’s definitely becoming a bottleneck for the energy transition as a whole,” Boucher said.
These experimental tests aim to verify the feasibility of implementing the design proposed in this paper, thereby demonstrating the potential for developing a high power density OBC by installing the planar transformer in the actual OBC.
Moreover, the transformer performed at a maximum efficiency of 98.67%, with a decrease of 3.33 °C in the overall temperature of the transformer as compared to the transformer without air gaps. 1. Introduction
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Figure 2 shows a picture of a high power transformer with some of the components previously listed identified with the respective number: Figure 2: Picture of a high power transformer (Global Market, 2011) 124 8 9 6-8- It is possible to say that the amount of components present in such devices is not particularly small, hence
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Live ChatThis article presents a planar transformer design and optimization method for high power density on-board chargers (OBCs) utilized in electric vehicles (EVs). Owing to …
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