Ahmed, Abdelsalam A.
(Electrical Power and Machines Engineering Department, Faculty of Engineering, Tanta University, Tanta, Egypt)
,
Mousa, Mohamed G.
(Electrical Power and Machines Engineering Department, Faculty of Engineering, Tanta University, Tanta, Egypt)
,
Lee, Young Ii
(Electrical and Information Engineering, Seoul National University of Science and Technology, Seoul, Korea)
For energy saving in Electric Vehicles (EVs), high kinetic energy could be exploited by designing a regenerative braking control of traction machine and usage of hybrid energy storage system (HESS). This paper presents a regenerative braking strategy of an Induction Motor (IM) drive. This strategy i...
For energy saving in Electric Vehicles (EVs), high kinetic energy could be exploited by designing a regenerative braking control of traction machine and usage of hybrid energy storage system (HESS). This paper presents a regenerative braking strategy of an Induction Motor (IM) drive. This strategy is composed of two stages. First, field-oriented speed control is developed at running and braking modes. Second, power distribution technique is proposed to share the power between the battery and ultracapacitor (UC) in the HESS via a DC-DC converter with buck-boost modes. In motoring operation i.e. discharge mode, a current control technique is used to get the optimal distribution factor for achieving maximum discharge efficiency. In regenerative operation i.e. charging mode, DC-link voltage control mode is adopted. First, the amount of the regenerated power at braking is measured and verified by experimental testes at which the IM is braked using a slip control technique. Then, the IM is excited by the HESS and the discharging/charging of the battery and UC at running/breaking is validated by simulations. Experimental and simulation results ensure the proposed strategy for exploiting the kinetic energy during braking of the EV.
For energy saving in Electric Vehicles (EVs), high kinetic energy could be exploited by designing a regenerative braking control of traction machine and usage of hybrid energy storage system (HESS). This paper presents a regenerative braking strategy of an Induction Motor (IM) drive. This strategy is composed of two stages. First, field-oriented speed control is developed at running and braking modes. Second, power distribution technique is proposed to share the power between the battery and ultracapacitor (UC) in the HESS via a DC-DC converter with buck-boost modes. In motoring operation i.e. discharge mode, a current control technique is used to get the optimal distribution factor for achieving maximum discharge efficiency. In regenerative operation i.e. charging mode, DC-link voltage control mode is adopted. First, the amount of the regenerated power at braking is measured and verified by experimental testes at which the IM is braked using a slip control technique. Then, the IM is excited by the HESS and the discharging/charging of the battery and UC at running/breaking is validated by simulations. Experimental and simulation results ensure the proposed strategy for exploiting the kinetic energy during braking of the EV.
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