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# IEEE Transactions on Power Electronics

## Filter Results

Displaying Results 1 - 25 of 37
• ### [Front cover]

Publication Year: 2011, Page(s): C1
| PDF (25 KB)
• ### IEEE Transactions on Power Electronics publication information

Publication Year: 2011, Page(s): C2
| PDF (41 KB)

Publication Year: 2011, Page(s):657 - 658
| PDF (115 KB)
• ### Editorial Special Issue on Power Electronics for Microgrids—Part II

Publication Year: 2011, Page(s):659 - 663
Cited by:  Papers (1)
| | PDF (112 KB) | HTML

The 46 papers in this second part of the special section on power electronics cover the following topics: AC microgrids; grid-interactive microgrids; DC microgrids; energy storage systems for microgrids; distributed generation (DG) units; maximum power point tracking (MPPT) algorithms for DG and microgrids; anti-islanding algorithms; synchronization for DG and microgrids; and topologies and front-... View full abstract»

• ### Conservative Power Theory, a Framework to Approach Control and Accountability Issues in Smart Microgrids

Publication Year: 2011, Page(s):664 - 673
Cited by:  Papers (69)
| | PDF (956 KB) | HTML

Smart microgrids offer a new challenging domain for power theories and compensation techniques, because they include a variety of intermittent power sources, which can have dynamic impact on power flow, voltage regulation, and distribution losses. When operating in the islanded mode, low-voltage smart microgrids can also exhibit considerable variation of amplitude and frequency of the voltage supp... View full abstract»

• ### Tradeoffs Between AC Power Quality and DC Bus Ripple for 3-Phase 3-Wire Inverter-Connected Devices Within Microgrids

Publication Year: 2011, Page(s):674 - 688
Cited by:  Papers (29)
| | PDF (1327 KB) | HTML

Visions of future power systems contain high penetrations of inverters which are used to convert power from dc (direct current) to ac (alternating current) or vice versa. The behavior of these devices is dependent upon the choice and implementation of the control algorithms. In particular, there is a tradeoff between dc bus ripple and ac power quality. This study examines the tradeoffs. Four contr... View full abstract»

• ### Mode Adaptive Droop Control With Virtual Output Impedances for an Inverter-Based Flexible AC Microgrid

Publication Year: 2011, Page(s):689 - 701
Cited by:  Papers (167)
| | PDF (2169 KB) | HTML

A decentralized power control method in a single-phase flexible ac microgrid is proposed in this paper. Droop control is widely considered to be a good choice for managing the power flows between microgrid converters in a decentralized manner. In this work, to enhance the power loop dynamics, droop control combined with a derivative controller is used in islanded mode. In grid-connected mode, to s... View full abstract»

• ### Improved Instantaneous Average Current-Sharing Control Scheme for Parallel-Connected Inverter Considering Line Impedance Impact in Microgrid Networks

Publication Year: 2011, Page(s):702 - 716
Cited by:  Papers (53)  |  Patents (1)
| | PDF (2131 KB) | HTML

A new control scheme for parallel-connected inverters taking into account the effect of line impedance is presented. The system presented here consists of two single-phase inverters connected in parallel. The control technique is based on instantaneous average current-sharing control that requires interconnections among inverters for information sharing. A generalized model of a single-phase paral... View full abstract»

• ### Single-Phase Inverter Control Techniques for Interfacing Renewable Energy Sources With Microgrid—Part I: Parallel-Connected Inverter Topology With Active and Reactive Power Flow Control Along With Grid Current Shaping

Publication Year: 2011, Page(s):717 - 731
Cited by:  Papers (84)
| | PDF (2184 KB) | HTML

In this paper, a novel current control technique is proposed to control both active and reactive power flow from a renewable energy source feeding a microgrid system through a single-phase parallel-connected inverter. The parallel-connected inverter ensures active and reactive power flow from the grid with low-current total harmonic distortion even in the presence of nonlinear load. A p-q theory-b... View full abstract»

• ### Single-Phase Inverter-Control Techniques for Interfacing Renewable Energy Sources With Microgrid—Part II: Series-Connected Inverter Topology to Mitigate Voltage-Related Problems Along With Active Power Flow Control

Publication Year: 2011, Page(s):732 - 746
Cited by:  Papers (57)
| | PDF (1609 KB) | HTML

In this paper (Part II), a control strategy for a single-phase series-connected inverter with the microgrid is proposed to interface ac loads not only to regulate the load voltage under voltage disturbances, but also to control the load power drawn from the microgrid. The inverter compensating voltage works in such a way that, irrespective of any type of disturbances in the microgrid voltage (such... View full abstract»

• ### Modeling of Electromagnetic Interference and PLC Transmission for Loads Shedding in a Microgrid

Publication Year: 2011, Page(s):747 - 754
Cited by:  Papers (13)
| | PDF (1009 KB) | HTML

This paper presents an electric line study of microgrid. To optimize the management of electric sources, generally a proposed solution is the load shedding. To achieve it, the power line communication (PLC) is often used to communicate when it is not possible to add cables. Such technologies use the power line network as a propagation and communication medium. The network quality depends mainly on... View full abstract»

• ### Optimal Design of Microgrids in Autonomous and Grid-Connected Modes Using Particle Swarm Optimization

Publication Year: 2011, Page(s):755 - 769
Cited by:  Papers (84)
| | PDF (2004 KB) | HTML

The dynamic nature of the distribution network challenges the stability and control effectiveness of the microgrids in both grid-connected and autonomous modes. In this paper, linear and nonlinear models of microgrids operating in different modes are presented. Optimal design of LC filter, controller parameters, and damping resistance is carried out in case of grid-connected mode. On the other han... View full abstract»

• ### Modeling and Control of $N$ -Paralleled Grid-Connected Inverters With LCL Filter Coupled Due to Grid Impedance in PV Plants

Publication Year: 2011, Page(s):770 - 785
Cited by:  Papers (161)
| | PDF (2084 KB) | HTML

Designing adequate control laws for grid-connected inverters with LCL filters is complicated. The power quality standards and the system resonances burden the task. In order to deal with resonances, system damping has to be implemented. Active damping is preferred to passive damping so as to improve the efficiency of the conversion. In addition, paralleled grid-connected inverters in photovoltaic ... View full abstract»

• ### Modeling and Analysis of Grid Harmonic Distortion Impact of Aggregated DG Inverters

Publication Year: 2011, Page(s):786 - 797
Cited by:  Papers (81)
| | PDF (1949 KB) | HTML

This paper proposes an impedance-based analytical method for modeling and analysis of harmonic interactions between the grid and aggregated distributed generation (DG) inverters. The root cause of harmonic interaction/resonance problems is the impedance-network quasi-resonance between the effective output impedance of the inverter and the equivalent grid impedance at the connection point. Starting... View full abstract»

• ### Enhanced Power Quality Control Strategy for Single-Phase Inverters in Distributed Generation Systems

Publication Year: 2011, Page(s):798 - 806
Cited by:  Papers (130)
| | PDF (1904 KB) | HTML

Power electronic converters are commonly used for interfacing distributed generation (DG) systems to the electrical power network. This paper deals with a single-phase inverter for DG systems requiring power quality features, such as harmonic and reactive power compensation for grid-connected operation. The idea is to integrate the DG unit functions with shunt active power filter capabilities. Wit... View full abstract»

• ### Fault Ride-Through of a DFIG Wind Turbine Using a Dynamic Voltage Restorer During Symmetrical and Asymmetrical Grid Faults

Publication Year: 2011, Page(s):807 - 815
Cited by:  Papers (125)
| | PDF (1345 KB) | HTML

The application of a dynamic voltage restorer (DVR) connected to a wind-turbine-driven doubly fed induction generator (DFIG) is investigated. The setup allows the wind turbine system an uninterruptible fault ride-through of voltage dips. The DVR can compensate the faulty line voltage, while the DFIG wind turbine can continue its nominal operation as demanded in actual grid codes. Simulation result... View full abstract»

• ### Open-switch fault diagnosis and system reconfiguration of doubly fed wind power converter used in a microgrid

Publication Year: 2011, Page(s):816 - 821
Cited by:  Papers (34)
| | PDF (600 KB) | HTML

Microgrid is becoming more and more popular in the west and north of China, where there is abundant wind energy. For the microgrid, the faults in the wind generation system usually result in the power accidents. The open switch fault of wind power converter is one of the faults, and many diagnosing methods have been developed. To avoid the disadvantages of current open-switch fault diagnosing meth... View full abstract»

• ### Dynamic Behavior and Stabilization of DC Microgrids With Instantaneous Constant-Power Loads

Publication Year: 2011, Page(s):822 - 834
Cited by:  Papers (152)
| | PDF (2130 KB) | HTML

This paper explores stability issues in dc microgrids with instantaneous constant-power loads (CPLs). DC microgrids typically have distributed power architectures in which point-of-load converters behave as instantaneous CPLs to line regulating converters located upstream. Constant-power loads introduce a destabilizing effect in dc microgrids that may cause their main bus voltages to show signific... View full abstract»

• ### Quantitative Evaluation of DC Microgrids Availability: Effects of System Architecture and Converter Topology Design Choices

Publication Year: 2011, Page(s):835 - 851
Cited by:  Papers (109)  |  Patents (1)
| | PDF (1836 KB) | HTML

This paper presents a quantitative method to evaluate dc microgrids availability by identifying and calculating minimum cut sets occurrence probability for different microgrid architectures and converter topologies. Hence, it provides planners with an essential tool to evaluate downtime costs and decide technology deployments based on quantitative risk assessments by allowing to compare the effect... View full abstract»

• ### Dynamic Energy Resource Control of Power Electronics in Local Area Power Networks

Publication Year: 2011, Page(s):852 - 859
Cited by:  Papers (14)
| | PDF (889 KB) | HTML

In a local area power system, all components of the system, including sources, loads, and distribution have multiple commitments and responsibilities. These commitments include serving the energy needs of a local load, but also maintaining the efficiency and stability of the overall system. Then, the control law of a power converter should consider these objectives, but also needs to anticipate th... View full abstract»

• ### Bus Selection in Multibus DC Microgrids

Publication Year: 2011, Page(s):860 - 867
Cited by:  Papers (39)
| | PDF (908 KB) | HTML

DC power systems can be made more reliable by using multiple buses for redundancy. Multiple buses provide multiple configuration options for supplying power to the load. Diode OR'ing with auctioneering diodes is perhaps the most common method to connect a load to multiple buses. Although the diode action is automatic and fault-tolerant, it results in ill-defined bus currents when the bus voltages ... View full abstract»

• ### Topological Overview of Powertrains for Battery-Powered Vehicles With Range Extenders

Publication Year: 2011, Page(s):868 - 876
Cited by:  Papers (105)
| | PDF (1129 KB) | HTML

The paper presents a topological overview of hybrid powertrains for battery-powered vehicles reinforced by range extenders. First, tradeoffs of employing high energy versus high power battery are revealed. Then, different topologies of battery-ultracapacitor hybrids are discussed, highlighting pros and cons of each configuration. The superiority of fully active hybrids is indicated, obtained at th... View full abstract»

• ### Operation and Control-Oriented Modeling of a Power Converter for Current Balancing and Stability Improvement of DC Active Distribution Networks

Publication Year: 2011, Page(s):877 - 885
Cited by:  Papers (42)
| | PDF (1236 KB) | HTML

Future active distribution networks appear as a solution to the energy distribution challenges. In this context, dc systems show potential for reducing losses and electronic equipment costs. Power electronics is the main enabler to this initiative and strong research efforts are ongoing in order to find solutions and evaluate the benefits and requirements for the power converters to be applied in ... View full abstract»

• ### A high-efficiency grid-tie battery energy storage system

Publication Year: 2011, Page(s):886 - 896
Cited by:  Papers (133)
| | PDF (1779 KB) | HTML

Lithium-ion-based battery energy storage system has started to become the most popular form of energy storage system for its high charge and discharge efficiency and high energy density. This paper proposes a high-efficiency grid-tie lithium-ion-battery-based energy storage system, which consists of a LiFePO4-battery-based energy storage and a high-efficiency bidirectional ac-dc convert... View full abstract»

• ### A High-Efficiency PV Module-Integrated DC/DC Converter for PV Energy Harvest in FREEDM Systems

Publication Year: 2011, Page(s):897 - 909
Cited by:  Papers (117)
| | PDF (1828 KB) | HTML

The future renewable electric energy delivery and management (FREEDM) system provides a dc interface for alternative energy sources. As a result, photovoltaic (PV) energy can be easily delivered through a dc/dc converter to the FREEDM system's dc bus. The module-integrated converter (MIC) topology is a good candidate for a PV converter designed to work with the FREEDM system. This paper compares t... View full abstract»

## Aims & Scope

IEEE Transactions on Power Electronics covers fundamental technologies used in the control and conversion of electric power.

Full Aims & Scope