Active Damping in DC/DC Power Electronic Converters: A Novel Method to Overcome the Problems of Constant Power Loads

By A. Rahimi, Ali Emadi. IEEE transactions on industrial electronics (1982. Print), 2009

441 citations recorded by the source corpus.

Subfields: Control and Systems Engineering, Electrical and Electronic Engineering

View Paper: https://www.semanticscholar.org/paper/f176b7177228c1a18793cf922455545d408a65ae

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In Control and Systems Engineering

In Electrical and Electronic Engineering

Citations in the corpus

Large-Signal Stabilization of a DC-Link Supplying a Constant Power Load Using a Virtual Capacitor: Impact on the Domain of Attraction (2012, background): “Some of these methods analyze and prove the stability only for small-signal variations around an operating point [2], [3], [15], [18], [20].”
Constant-Power Load System Stabilization by Passive Damping (2011, background): “In [5] and [7], a resistive load is added to modify load dynamic characteristics thereby improving system stability.”
Hierarchical Control for Multiple DC-Microgrids Clusters (2014, methodology): “A complete expression for current of a perfect CPL is as follows [22]:”
Constant power loads and their effects in DC distributed power systems: A review (2017, methodology): “An active damping technique which emulates a resistance in series with the converter inductor to stabilize the basic dc/ dc converters loaded with a CPL is presented in [50].”
Overview of Power Management Strategies of Hybrid AC/DC Microgrid (2015, methodology): “These include oscillation compensation technique used to increase stability margin [114], active-damping techniques to overcome the negative impedance instability problem [115], nonlinear control of ac/dc converters [116], just to name a few.”
A Novel Composite Nonlinear Controller for Stabilization of Constant Power Load in DC Microgrid (2019, methodology): “Active damping methods stabilize the system by modifying control loops to emulate the passive elements, such as virtual capacitor [10], virtual resistor [11] and virtual impedance [12].”
Filter-Based Active Damping of Voltage Source Converters With $LCL$ Filter (2011, background): “damping consists in modifying the controller parameters or the controller structure increasing the magnitude and phase margins around the resonance frequency [11]–[13].”
Modeling and Stability Analysis of Islanded DC Microgrids Under Droop Control (2015, background): “The second reason, and no less important, is the effect of conservative modeling applied to POL converters, which are considered ideal CPLS. POL converters do not have CPL characteristic over the whole spectrum of frequencies, and consequently, they are much more stable, as described in Section III.”
Review on Advanced Control Technologies for Bidirectional DC/DC Converters in DC Microgrids (2020, methodology): “Numerous control strategies have been proposed for stabilizing dc/dc converters loaded by CPLs, like virtual resistors [5], [6], virtual capacitors [7], virtual impedance [8], pole placement methods [4], loop cancellation approaches [9], and so on.”
Intelligent Distributed Generation and Storage Units for DC Microgrids—A New Concept on Cooperative Control Without Communications Beyond Droop Control (2014, background): “Then, batteries can be represented as constant power loads (CPL) [3], [22].”