Microcontroller Based Bi-Directional DC-DC Converter for Automobile Application
K. Vidya1, P. Annapoorani2, S. Akila3, M. Vijayalakshmi4
1Vidya.K,, AP, EEE, Vel Tech Multi Tech Dr.Rangarajan Dr.Sakunthala Engineering College, Chennai, TN, India
2Annapoorani.P, AP, EEE, Vel Tech Multi Tech Dr.Rangarajan Dr.Sakunthala Engineering College,Chennai, TN, India.
3Akila.S, AP, EEE, Vel Tech Multi Tech Dr.Rangarajan Dr.Sakunthala Engineering College,Chennai, TN, India.
4Vijayalakshmi. M, AP, EEE, Vel Tech Multi Tech Dr.Rangarajan Dr.Sakunthala Engineering College, Chennai, TN, India
Manuscript received on November 22, 2019. | Revised Manuscript received on December 15, 2019. | Manuscript published on December 30, 2019. | PP: 2776-2768 | Volume-9 Issue-2, December, 2019. | Retrieval Number: B2280129219/2019©BEIESP | DOI: 10.35940/ijeat.B2280.129219
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© The Authors. Blue Eyes Intelligence Engineering and Sciences Publication (BEIESP). This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/)
Abstract: This paper presents different topology for non isolating bi-directional dc–dc converter for automotive application. To increase and decrease the voltage level Buck-boost bidirectional converter type is used. This type of converter reduces the switching losses by using less number of switches. Also regenerative concept was introduced. During braking operation the energy stored in the motor was reduced by buck operation of the bidirectional converter and stored into the battery. This Battery will also act as the supply voltage when required. An auxiliary energy storage battery stores the regenerated energy which is obtained during the process of braking and it fed back to the electric machine in the electric vehicle applications. Auxiliary battery provides the power to the bidirectional dc-dc converter to boost the high-voltage bus during vehicle starting. To achieve power transfer between two dc power sources in either direction, the bidirectional dc-dc converters are used since it has the ability to reverse the direction of the current flow and power. This can also be used in multi port systems. In Multi-Port HEVs, two or more voltage source purposes of better performances of the vehicle are used.
Keywords: Dc–dc converter, Buck-boost bidirectional converter, Auxiliary battery, Multi-Port HEVs.