Design of Power Converter with Coupled Inductor for Aerospace Applications

J. Raji, Dr. P. Yamunaa, R.Tamilamuthan

Bidirectional Converter; ZVS Technique; Non Isolated Type

The bidirectional DC converter with ZVS technique is a topic of research interest in recent years. These type of converters may be either isolated with transformer or non-isolated type. This work studies the design of a non-isolated (transformer less) bidirectional DC to DC converter. Non-isolated converters are not as much of expensive as the isolated converters. They are ideally suited for aerospace applications. It also needs fewer switches and passive components. The objective is to construct a 200W bidirectional converter used to interface a low voltage (24V-30V) and a high voltage (200V) DC bus. The problem is formulated mathematically. The design is achieved through the formulas derived. The feasibility of design is validated through software simulation. Finally a prototype is fabricated and the performance is validated by an experimental setup

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