On the use of current sensors for the control of power converters

This paper describes the use of current sensors for the control of power converters. No voltage sensor is required in the whole system. The sensed current and the rate of change of the inductor current in different circuit topologies are used to determine the input and output voltages of the convert...

Full description

Saved in:
Bibliographic Details
Published in:IEEE transactions on power electronics 2003-07, Vol.18 (4), p.1047-1055
Main Authors: Qiu, D.Y., Yip, S.C., Chung, H.S.-H., Hui, S.Y.R.
Format: Article
Language:English
Subjects:
Circuit noise
Circuit topology
Direct current
Electric potential
Electric power generation
Electronics
Inductors
Noise reduction
Power
Power conversion
Power converters
Power system protection
Regulators
Sensor phenomena and characterization
Sensor systems
Sensors
Voltage
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:This paper describes the use of current sensors for the control of power converters. No voltage sensor is required in the whole system. The sensed current and the rate of change of the inductor current in different circuit topologies are used to determine the input and output voltages of the converters, and for current programming and maximum current protection. Apart from reducing the number of sensors, the proposed method provides inherent electrical isolation between the power conversion stage and the controller and lessens noise-coupling problems. The proposed technique is illustrated with a current-programmed DC/DC boost regulator with feedforward and feedback control. The regulator's steady state and transient responses under input source and output load disturbances are presented.
ISSN:0885-8993
1941-0107
DOI:10.1109/TPEL.2003.813767