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Using two port network parameters for equipment specification to ensure stability and limit power ripple in DC power systems

Analysis methods for DC power interfaces using techniques built around the Nyquist stability criteria have previously been utilized to create system level specifications to ensure the stability of interconnected systems. This paper extends these concepts to not just ensure stability, but to also ens...

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Main Authors:	Knauff, Michael, Plesnick, Shawn, Berardino, Jonathan, Spivey, Nathan
Format:	Conference Proceeding
Language:	English
Subjects:	Admittance constant power load (CPL) impedance Mathematical model Ports (Computers) Power electronics power ripple Power system stability resonance stability Stability criteria subsystem interaction Thermal stability two-port networks
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creator	Knauff, Michael Plesnick, Shawn Berardino, Jonathan Spivey, Nathan
description	Analysis methods for DC power interfaces using techniques built around the Nyquist stability criteria have previously been utilized to create system level specifications to ensure the stability of interconnected systems. This paper extends these concepts to not just ensure stability, but to also ensure a guaranteed maximum level of voltage and current perturbation within the system. The technique relies on representation of the subsystems as two-port networks using a definition of two-port networks modified slightly from the conventional understanding. This paper discusses the modified two-port definition, how to combine these networks and use them to calculate ripple at an interface, and how these relationships can be used to form system specification. An example is also presented to illustrate how system specifications may be developed.
doi_str_mv	10.1109/MWSCAS.2017.8053190
format	conference_proceeding
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ispartof	2017 IEEE 60th International Midwest Symposium on Circuits and Systems (MWSCAS), 2017, p.1386-1389
issn	1558-3899
language	eng
recordid	cdi_ieee_primary_8053190
source	IEEE Xplore All Conference Series
subjects	Admittance constant power load (CPL) impedance Mathematical model Ports (Computers) Power electronics power ripple Power system stability resonance stability Stability criteria subsystem interaction Thermal stability two-port networks
title	Using two port network parameters for equipment specification to ensure stability and limit power ripple in DC power systems
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