Results 251 to 260 of about 37,452 (297)
Some of the next articles are maybe not open access.
Comparison of Performances between Angle Droop Control and Frequency Droop Control in Microgrids
2019 IEEE 3rd International Electrical and Energy Conference (CIEEC), 2019Compared with frequency droop control, angle droop control avoids frequency deviation, but it is hard to share active power exactly among distributed generations (DGs). Although this defect can be solved by secondary control, frequency droop control also has a similar way to eliminate frequency deviation.
Weiqiang Yao +5 more
openaire +1 more source
Dynamics of droop-controlled microgrids with unequal droop response times
2013 Australasian Universities Power Engineering Conference (AUPEC), 2013One increasingly popular approach to integrate distributed generation (DG) energy sources into an electrical grid system, is to assemble them into microgrids which then connect to the main utility grid at a single or multiple points of connection. A microgrid can also operate as a standalone islanded network which is physically disconnected from the ...
B. Shoeiby +3 more
openaire +1 more source
Decoupled droop control of inverters
IECON 2013 - 39th Annual Conference of the IEEE Industrial Electronics Society, 2013This article first reviews the droop control method for inverters participating in low voltage microgrids, discussing static and dynamic response. Then the paper proposes a droop controller that brings independent actuation of frequency over active power and voltage over reactive power.
Jeronimo Quesada +3 more
openaire +1 more source
2005 International Conference on Future Power Systems, 2005
Remote electrification with island supply systems, the increasing acceptance of the microgrids concept and the penetration of the interconnected grid with DER and RES require the application of inverters and the development of new control algorithms. One promising approach is the implementation of conventional f/U-droops into the respective inverters ...
A. Engler, N. Soultanis
openaire +1 more source
Remote electrification with island supply systems, the increasing acceptance of the microgrids concept and the penetration of the interconnected grid with DER and RES require the application of inverters and the development of new control algorithms. One promising approach is the implementation of conventional f/U-droops into the respective inverters ...
A. Engler, N. Soultanis
openaire +1 more source
Droop-Controlled Inverters as Educational Control Design Project
IEEE Transactions on Power Systems, 2022Electric grids are seeing increasing adoption of renewables interfaced with power electronics. As the share of renewable generation increases, the inverters are expected to operate in grid-forming mode to replace large conventional synchronous generation.
Jimmy Chih-Hsien Peng +3 more
openaire +1 more source
Nonlinear supersets to droop control
2015 IEEE 16th Workshop on Control and Modeling for Power Electronics (COMPEL), 2015This paper offers a suite of extensions to Virtual Oscillator Control — a time-domain control method for islanded inverters whereby they are controlled to emulate the dynamics of weakly nonlinear limit-cycle oscillators. First, we develop a coordinate transformation to derive the PWM switching signals from the oscillator dynamic states in a manner that
Mohit Sinha +4 more
openaire +1 more source
Droop control of a multifunctional PV inverter
2008 IEEE International Symposium on Industrial Electronics, 2008Implementation of ancillary services in photovoltaic systems could facilitate their penetration in power systems. PV converters can be designed to improve grid power quality using power conditioning functionalities. This paper presents a single-phase photovoltaic system which provides grid voltage support at fundamental frequency. The proposed topology
MASTROMAURO, ROSA ANNA +4 more
openaire +2 more sources
Distributed secondary control for droop-controlled autonomous microgrid
2015 34th Chinese Control Conference (CCC), 2015Motivated by the cooperative control theory of multi-agent systems, we study the distributed secondary voltage and frequency control problem in a lossy droop-controlled autonomous microgrid. At first, a distributed cooperative control algorithms is designed to synchronize the voltage of each generation unit to the reference value in finite time.
Chen Gang, Guo Zhijun
openaire +1 more source
Droop-free control for networked microgrids
2016 IEEE Conference on Control Applications (CCA), 2016This paper presents a frequency control strategy for networked micogrids. Applying a hierarchical control structure, the usual droop-control for AC microgrids is replaced by a droop-free paradigm that acts as a first and second level control. To control the frequency of the networked microgrid system, a third control level is introduced to control the ...
Vladimir Toro, Eduardo Mojica-Nava
openaire +1 more source
Droop controller comparison for AC microgrids
2016 IEEE International Autumn Meeting on Power, Electronics and Computing (ROPEC), 2016The aim of this study is to analyze and compare three droop controller schemes to regulate the operation of a microgrid. Three droop control schemes are selected because of their capability to regulate voltage, frequency and power sharing without using communication links and complex measurement systems.
Marco Gutiérrez +4 more
openaire +1 more source