Design-Oriented Analysis of Modern Active Droop-Controlled Power Supplies
Mishra, S.K.
Dept. of Electr. Eng., Indian Inst. of Technol., Kanpur, India;
This paper appears in: Industrial Electronics, IEEE Transactions on
Publication Date: Sept. 2009
Volume: 56,
Issue: 9
On page(s): 3704-3708
ISSN: 0278-0046
INSPEC Accession Number: 10816603
Digital Object Identifier: 10.1109/TIE.2009.2025289
First Published: 2009-06-19
Current Version Published: 2009-08-11
Abstract
Active droop control of voltage regulators and point of loads is a preferred way of implementing adaptive voltage positioning to save motherboard space. This paper develops an improved model and design methodology for this control. The conventional model is explained and need for an improved model is described. Based on this improved model, a generalized design procedure, applicable irrespective of the modulation scheme, is developed. Experimental verifications on a five-phase/120-A prototype are presented to validate the design procedure. Results show that the loop performance and output impedance predictions of the model are accurate.
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