TY - JOUR
T1 - Sampled-Data Model of a Two-Phase, Dual Interleaved Buck-Boost Converter With PCM
AU - Cano-Pulido, Kevin
AU - Araujo-Vargas, Ismael
AU - Cervantes, Ilse
AU - Granados-Luna, Teresa Raquel
AU - Velazquez-Elizondo, Pedro Enrique
N1 - Publisher Copyright:
© 1986-2012 IEEE.
PY - 2022/6/1
Y1 - 2022/6/1
N2 - A sample-data modeling strategy for a 30-kW, two-phase dual interleaved buck-boost converter with peak current control is analyzed in this article. A small-signal converter model is derived to characterize the system utilizing the current peaks of the two interleaved phases and a half-symmetry, state-space representation of the circuit. The model is experimentally verified using a 32-kW, 350-V prototype that owns 7.6 kW/kg and 97.1% of power density and efficiency, respectively. A description of the controller, developed in a high-performance microcontroller, is also presented together with the experimental verification, detailing the design of the compensating ramp for a wide load range. Measured results are contrasted with the sample-data model predictions, using both transient and frequency responses, and evaluating the controlled converter dynamics at 14, 21, 26, and 30 kW. The comparison reveals the effective validity of the presented sample-data model and the effects of the supply to the dynamic performance of the high-density converter.
AB - A sample-data modeling strategy for a 30-kW, two-phase dual interleaved buck-boost converter with peak current control is analyzed in this article. A small-signal converter model is derived to characterize the system utilizing the current peaks of the two interleaved phases and a half-symmetry, state-space representation of the circuit. The model is experimentally verified using a 32-kW, 350-V prototype that owns 7.6 kW/kg and 97.1% of power density and efficiency, respectively. A description of the controller, developed in a high-performance microcontroller, is also presented together with the experimental verification, detailing the design of the compensating ramp for a wide load range. Measured results are contrasted with the sample-data model predictions, using both transient and frequency responses, and evaluating the controlled converter dynamics at 14, 21, 26, and 30 kW. The comparison reveals the effective validity of the presented sample-data model and the effects of the supply to the dynamic performance of the high-density converter.
KW - Coupled inductors
KW - dcadc converters
KW - interleaved converters
KW - peak-current control
KW - sampled-data
UR - http://www.scopus.com/inward/record.url?scp=85125287243&partnerID=8YFLogxK
U2 - 10.1109/TPEL.2021.3125968
DO - 10.1109/TPEL.2021.3125968
M3 - Artículo
AN - SCOPUS:85125287243
SN - 0885-8993
VL - 37
SP - 6349
EP - 6358
JO - IEEE Transactions on Power Electronics
JF - IEEE Transactions on Power Electronics
IS - 6
ER -