Proceedings ArticleDOI
Decentralized control for parallel operation of distributed generation inverters using resistive output impedance
Josep M. Guerrero,N. Berbel,Jose Matas,J.L. Sosa,J. Cruz,A. Alentorn +5 more
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TLDR
In this paper, a novel wireless load sharing controller for islanding parallel inverters in an ac distributed system is proposed, where the resistive output impedance of the parallel-connected inverters is explored.Abstract:
In this paper, a novel wireless load-sharing controller for islanding parallel inverters in an ac distributed system is proposed. The paper explorers the resistive output impedance of the parallel-connected inverters in an island microgridread more
Citations
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Proceedings ArticleDOI
New voltage regulation techniques for low voltage radial feed PWM inverter based distributed networks
TL;DR: Two techniques are proposed for regulating the voltage in low voltage radial networks when inverter based distributed generation is employed, and simulation and practical results substantiate the viability of both techniques.
Proceedings ArticleDOI
Control of parallel single-phase inverters in a low-head pico-hydro off-grid network
TL;DR: Experimental results show that the harmonic voltage control loops improve the voltage quality significantly, with the total harmonic distortion reducing from 9.53% to 1.93% when a non-linear load is connected to a single inverter.
Proceedings ArticleDOI
Study on the topology of three-phase inverter systems based on parallel-connected bridges
TL;DR: In this paper, a new topology of three-phase inverter systems based on parallel-connected bridges was proposed, where each module was paralleled directly without passing through the filter circuit.
Proceedings ArticleDOI
Partial contraction analysis for droop controlled inverters
Valerio Mariani,Francesco Vasca +1 more
TL;DR: In this article, the partial contraction theory is exploited to analyze conditions for the closeness of solutions between the dynamic model of the droop controlled inverter connected to the grid and a suitable reduced-order system, whose stability can be simpler analyzed.
Journal ArticleDOI
A Negative-sequence Current Injection Method To Mitigate Voltage Imbalances In Microgrids
Gustavo M. S. Azevedo,Joan Rocabert,Marcelo C. Cavalcanti,Francisco A. S. Neves,Pedro Rodriguez +4 more
TL;DR: In this article, a control strategy to reduce the voltage imbalances by injection of a proper negative-sequence current into the microgrid is proposed, which neither requires any hardware modification of the converter nor additional sensors.
References
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Journal ArticleDOI
Control of parallel connected inverters in stand-alone AC supply systems
TL;DR: In this article, a control scheme for parallel-connected inverters in a standalone AC supply system is presented, which uses feedback of only those variables that can be measured locally at the inverter and does not need communication of control signals between the inverters.
Journal ArticleDOI
Output impedance design of parallel-connected UPS inverters with wireless load-sharing control
TL;DR: This paper deals with the design of the output impedance of uninterruptible power system (UPS) inverters with parallel-connection capability, and proposes novel control loops to achieve both stable output impedance and proper power balance.
Journal ArticleDOI
A wireless controller to enhance dynamic performance of parallel inverters in distributed generation systems
TL;DR: In this paper, a novel control strategy for parallel inverters of distributed generation units in an AC distribution system is presented, based on the droop control method, using only locally measurable feedback signals.
Book
Power Systems Analysis
TL;DR: In this article, the authors present a model of a single machine-infinite bus (SIB) with three-phase transformer connections for the purpose of detecting faults in a generator.
Journal ArticleDOI
Wireless-Control Strategy for Parallel Operation of Distributed-Generation Inverters
TL;DR: Adapt virtual output impedance is proposed in order to achieve a proper reactive power sharing regardless of the line impedance unbalances and can be properly shared due to the addition of a current harmonic loop in the control strategy.