Regenerative Current Control Method of Bidirectional DC/DC Converter for EV/HEV Application

Abstract

-The control method of the bidirectional DC/DC converter for instantaneous regenerative current control is described in this paper. The general method to control the DC/DC converter is the output voltage control. However, the regenerative current cannot be controlled to be constant with this control method. To improve the performance of the conventional control method, the DC-link voltage of the inverter is controlled within the tolerance range by the instantaneous boost and buck operations of the bidirectional DC/DC converter. By the proposed control method, the battery current can be controlled to be constant regardless of the motor speed variation. The improved performance of the DC/DC converter controlled by the proposed control method is verified by the experiment and simulation of the system with the inverter and IPMSM(Interior Permanent Magnet Synchronous Motor) which is operated by the reduced practical speed profile.

Metode Metode Kontrol Pada Mobil Listrik

“…Sistem penyimpanan energi adalah salah satu solusi untuk masalah ketidakseimbangan distribusi sistem tenaga listrik (3). dengan metode kontrol bidirectional DC/DC pada EV/HEV (2). Untuk memenuhi perubahan permintaan puncak terutama selama percepatan dan pengereman.…”

“…Untuk mengatasi masalah ini, dua-tahap EV traksi sistem Gambar. 3 (b) yang diusulkan dalam [2]. Sistem ini tambahan menempel konverter DC / DC mengontrol aliran daya dua arah antara inverter dan baterai.…”

Regenerative Battery Charging Control Method for PMSM Drive without a DC/DC Converter

“…The drive topology of a PMSM is shown in Figure 1a; however, for DC-link voltage stabilization or to charge the battery, a bidirectional DC-DC converter is placed between the battery and the motor drive [7]. The bidirectional DC-DC converter in Figure 1b controls power flow by using a battery management system (BMS) [8][9][10][11][12][13][14][15][16]. Therefore, the PMSM drive configuration in Figure 1b offers more battery stability and efficiency, as compared to the arrangement in Figure 1a.…”

Parameter Design and Power Flow Control of Energy Recovery Power Accumulator Battery Pack Testing System

“…In [9], A composite power circuit for PABTS has been put forward, yet, too many voltage and current sensors are used in the system, which makes the whole system complicated and expensive. Considering that the system contains a gridconnected three-phase inverter and a dc-dc buck-boost chopper, There have been many papers illustrating transformer or transformer-less grid-connected inverter system with LCL filter interface [10][11][12][13][14], and still some control methods and topology analysis have been presented in discussing dc-dc converter [15]. However, few papers have been found issuing on current control strategies or energy recovery control of PABPTS.…”