Seamless Transfer of Microturbine Generation System Operation Between Grid-connected and Islanding Modes

Gaonkar, D. N.; Pillai, G. N.; Patel, R. N.

doi:10.1080/15325000802388815

Cited by 32 publications

(15 citation statements)

References 9 publications

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“…To avoid hard transients in the reconnection, the DG has to be synchronized with the grid voltage [36]- [38]. The DG is operated in the synchronous island mode until both systems are synchronized.…”

Section: F Synchronization For Grid Reconnectionmentioning

confidence: 99%

Control for Grid-Connected and Intentional Islanding Operations of Distributed Power Generation

Balaguer

Qin

Yang

et al. 2011

IEEE Trans. Ind. Electron.

564

202

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Intentional islanding describes the condition in which a microgrid or a portion of the power grid, which consists of a load and a distributed generation (DG) system, is isolated from the remainder of the utility system. In this situation, it is important for the microgrid to continue to provide adequate power to the load. Under normal operation, each DG inverter system in the microgrid usually works in constant current control mode in order to provide a preset power to the main grid. When the microgrid is cut off from the main grid, each DG inverter system must detect this islanding situation and must switch to a voltage control mode. In this mode, the microgrid will provide a constant voltage to the local load. This paper describes a control strategy that is used to implement grid-connected and intentional-islanding operations of distributed power generation. This paper proposes an intelligent load-shedding algorithm for intentional islanding and an algorithm of synchronization for grid reconnection.

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Section: F Synchronization For Grid Reconnectionmentioning

confidence: 99%

Control for Grid-Connected and Intentional Islanding Operations of Distributed Power Generation

Balaguer

Qin

Yang

et al. 2011

IEEE Trans. Ind. Electron.

564

202

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“…and 1.1 p.u. Thereafter, the angle is observed and this should not be greater than some predefined threshold value, which in [13] is taken to be 0.08 rad.…”

Section: Islanding Detectionmentioning

confidence: 99%

Modeling, control and islanding detection of microgrids with passive loads

Popov

Karimi

Nikkhajoei

et al. 2010

Proceedings of 14th International Power Electronics and Motion Control Conference EPE-PEMC 2010

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This paper presents a control scheme for microgrids with passive loads. The existing control techniques for distributed generation systems are designed to operate either in the grid-connected or in the islanded mode. In the grid-connected mode of operation, a currentcontrolled scheme based on d-q variables is used for the regulation of real and reactive powers of the converter. In the islanded mode of operation, the converter is controlled in the voltage-controlled mode. This paper deals with the modeling of both control schemes. Furthermore, reconnection from the islanded mode to the grid-connected mode based on the use of adequate Phase-Locked Loops (PLLs) has been demonstrated.

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“…This is due to their excellent features such as high operating efficiency, ultra low emission levels and small size [5]. There are two types of microturbines.…”

Section: Introductionmentioning

confidence: 99%

Dynamic performance of microturbine and fuel cell in a microgrid

Wang

2011

2011 International Conference on Mechatronic Science, Electric Engineering and Computer (MEC)

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The concept of microgrid becomes increasingly important, in which renewable energy, distributed generation, and distributed storage systems can be integrated into the grid. This paper presents dynamic models of microturbine and fuel cells as distributed generators to study their dynamic behavior within a microgrid. In addition, The Buck-Boost converter and voltage source inverter are adopted as the electronic interface with its fixed controller to maintain the stability of systems. Dynamic models of microturbine and fuel cells are simulated using PSCAD/EMTDC software to demonstrate that they are capable of providing reliable power in both the grid connected and islanding modes of operation.

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Seamless Transfer of Microturbine Generation System Operation Between Grid-connected and Islanding Modes

Cited by 32 publications

References 9 publications

Control for Grid-Connected and Intentional Islanding Operations of Distributed Power Generation

Control for Grid-Connected and Intentional Islanding Operations of Distributed Power Generation

Modeling, control and islanding detection of microgrids with passive loads

Dynamic performance of microturbine and fuel cell in a microgrid

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