scholarly journals Power Electronic Converters for Microgrids

2021 ◽  
Author(s):  
Wenlong Ming
Keyword(s):  
Building Blocks ◽  
Power Electronic ◽  
Energy Integration ◽  
Power Electronic Converters ◽  
Enabling Technology ◽  
Three Phase ◽  
Bandgap Semiconductors ◽  
Ac Converters ◽  
Transportation Electrification ◽  
And Control

Power electronic converters are indispensable building blocks of microgrids. They are the enabling technology for many applications of microgrids, e.g., renewable energy integration, transportation electrification, energy storage, and power supplies for computing. In this chapter, the requirements, functions, and operation of power electronic converters are introduced. Then, different topologies of the converters used in microgrids are discussed, including DC/DC converters, single-phase DC/AC converters, three-phase three-wire, and four-wire DC/AC converters. The remaining parts of this chapter focus on how to optimally design and control these converters with the emerging wide-bandgap semiconductors. Correlated tradeoffs of converter efficiency, power density, and cost are analyzed using Artificial Neural Networks to find the optimal design of the converters.

scholarly journals A Unified Approach for the Control of Power Electronics Converters. Part II: Tracking

2021 ◽  
Vol 11 (16) ◽  
pp. 7618
Author(s):  
Germain Garcia ◽  
Oswaldo Lopez-Santos ◽  
Luis Martinez-Salamero
Keyword(s):  
Tracking Control ◽  
Research Work ◽  
Reference Signal ◽  
Control Problems ◽  
Power Electronic ◽  
Power Electronic Converters ◽  
Unified Approach ◽  
Power Electronics Converters ◽  
Mathematical Properties ◽  
Ac Converters

This paper extends the results recently proposed in Part I of this research work focused on the stabilization of power electronic converters. This second part is devoted to cases in which the underlying control problems can be translated into tracking control problems. This is the case for DC-AC converters whose output must track a sinusoidal reference signal. The idea is to tackle the problem in a unified manner in order to avoid as much as possible the use of approximations and to exploit all the mathematical properties of the corresponding switched models. The case in which measurable or non-measurable perturbations are present is considered. The proposed techniques are illustrated for two particular DC-AC converters simulated using the PSIM software.

scholarly journals Special Issue “Advances in Control of Power Electronic Converters”

2021 ◽  
Vol 11 (10) ◽  
pp. 4585
Author(s):  
Oswaldo Lopez-Santos ◽  
Germain Garcia
Keyword(s):  
Control Systems ◽  
Power Converters ◽  
State Of The Art ◽  
Industrial Applications ◽  
Power Electronic ◽  
Special Issue ◽  
Power Electronic Converters ◽  
And Control ◽  
Power Generation Systems ◽  
Proper Operation

The use of power converters has grown in the last years with the advances in photovoltaic and wind based power generation systems, and the progress in modern concepts such as microgrids and electric mobility. A consequence has been the development of devices allowing for the exchange of energy among different distribution buses, and feeding AC or DC loads from low DC voltage levels, whose proper operation is achieved by means of specialized control systems. Simultaneously, the power converters used for conventional industrial applications have evolved thanks to the application of new control methods, and the combination of these with well-established techniques. This special issue contributes theoretical and practical advances to the state-of-the-art field at the crossroads of power electronics and control systems. The seven included papers cover particular applications requiring either DC–DC, DC–AC or AC–DC conversion stages.

scholarly journals Fast Coordination of Power Electronic Converters for Energy Routing in Shipboard Power Systems

2018 ◽  
Author(s):  
H L Ginn III ◽  
J D Bakos ◽  
Fred Flinstone ◽  
A Benigni
Keyword(s):  
Power Systems ◽  
Power Electronics ◽  
Energy Management ◽  
Energy Flow ◽  
Distribution Systems ◽  
Building Blocks ◽  
Power Electronic ◽  
Power Electronic Converters ◽  
Shipboard Power Systems ◽  
Shipboard Power

A long-term goal of future naval shipboard power systems is the ability to manage energy flow with sufficient flexibility to accommodate future platform requirements such as, better survivability, continuity, and support of pulsed and other demanding loads. To attain this vision of   shipboard energy management, shipboard power and energy management systems must coordinate operation of all major components in real-time. The primary components of a shipboard power system are the generators, energy storage modules, and increasingly power electronics that interface those sources and main load centers to the system. Flexible management of energy flow throughout shipboard distribution systems can be realized by automated coordination of multiple power electronic converters along with storage and generation systems. Use of power converters in power distribution systems has continuously increased due to continued development of the power electronics building blocks (PEBB) concept which reduces cost and increasing reliability of converters. Recent developments in SiC power devices are yielding PEBBs with far greater switching frequencies than Si based devices resulting in an order of magnitude reduction of the time scales as compared to converter systems utilizing conventional IGBT based PEBBs. In addition there have also been advancements in highly modularized converter systems with hundreds of PEBBs such as the Modular Multilevel Converter. Both of those trends have resulted in the continued evolution of the Universal Controller Architecture which attempts to standardize control interfaces for modular power electronic systems.  Further development of interface definitions and increasing communication and computational capabilities of new FPGA based controllers provides opportunities beyond simply supporting SiC PEBBs. Fast control coordination across the system using an appropriate communication architecture provides a degree of energy management not previously realizable in shipboard power systems. The paper will present recent research results in networked control architectures for power electronic converter coordination and control. It will demonstrate that current FPGA and gigabit speed serial communication technologies allow for a very high degree of energy flow control.

scholarly journals Grid Integrated Wind Energy Storage System for Linear and non-Linear Loads

2018 ◽  
Vol 7 (4.24) ◽  
pp. 76
Author(s):  
Dr. K. Suresh ◽  
A. R. Vijay Babu ◽  
P. M. Venkatesh
Keyword(s):  
Wind Energy ◽  
Pid Controller ◽  
Storage System ◽  
Energy Storage System ◽  
Power Electronic ◽  
Energy Integration ◽  
Power Electronic Converters ◽  
Non Linear ◽  
Wind Energy Integration ◽  
Output Side

The proposed system also has boost converter, bidirectional DC-DC converter and inverter for grid and wind energy integration. The boost inverter/buck rectifier in this system is controlled by ANFIS controller is for better output, boost and bidirectional DC-DC converters are controlled by PID controller in closed loop. Overall operations are based on modes main controller speedgoat, which is control the system operation in different modes. Any variation happening in the input, storage and load parameters speedgoat changing the mode and operate the system is in effective way. This paper presents harnessing of maximum wind energy from natural resource whenever it’s available. The power electronic converters role is important In between sources and load. The load may be linear and non-linear in nature, so converters performance decides the efficiency of the system. Proper controller can switch the converter in the desired time and improve the system performance and stability. Many controllers are suggests to control the converter to get better performance in at output side.

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