Control of Distributed Generation Systems— Part II: Load Sharing Control

Marwali, M.N.; Jung, Jin‐Woo; Keyhani, A.

doi:10.1109/tpel.2004.836634

Cited by 380 publications

(154 citation statements)

References 29 publications

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“…A countable number of researches have been done considering active load sharing condition [14][15][16][17][18][19][20][21][22] and droop control [23][24][25][26][27][28][29] or a combination of both [30][31][32]. Due to the advancement of digital signal processing techniques, some of these controlling methods have been applied to achieve voltage harmonics elimination and fast recovery performance on load transient in digital mode [31][32][33][34][35]. Transient response can also be improved by introducing proportional-integral-derivative (PID) terms [27], as shown in Fig.…”

Section: Parallel Operation Of Inverters In Dg or Microgridmentioning

confidence: 99%

Parallel operation of inverters and active power filters in distributed generation system—A review

Khadem¹,

Basu²,

Conlon³

2011

Renewable and Sustainable Energy Reviews

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a b s t r a c tIn this paper a technical review of parallel operation of power electronics inverters for load sharing conditions in distributed generation (DG) network is presented. Emphasis is given to parallel operation of Active Power Filters (APFs) as they are widely used to mitigate load current disturbances into DG networks. Discussions on recent advances in control strategies as applied to APFs are presented.

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Section: Parallel Operation Of Inverters In Dg or Microgridmentioning

confidence: 99%

Parallel operation of inverters and active power filters in distributed generation system—A review

Khadem¹,

Basu²,

Conlon³

2011

Renewable and Sustainable Energy Reviews

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“…9, a proportional controller are used for the real and reactive power controllers to realize the real power versus system frequency (P-ω) droop and the reactive power versus voltage magnitude (Q-V) droop characteristics [3,18]. However, to improve the reactive power control accuracy in grid-connected operation mode, integral control can be included into the reactive power controller [12,21,22].…”

Section: B Power Flow Control Through Voltage Regulationmentioning

confidence: 99%

Control and protection of power electronics interfaced distributed generation systems in a customer-driven microgrid

Peng

Tolbert

2009

2009 IEEE Power &Amp; Energy Society General Meeting

138

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-This paper discusses control and protection of power electronics interfaced distributed generation (DG) systems in a customer-driven microgrid (CDM). Particularly, the following topics will be addressed: microgrid system configurations and features, DG interfacing converter topologies and control, power flow control in grid-connected operation, islanding detection, autonomous islanding operation with load shedding and load demand sharing among DG units, and system/DG protection. Most of the above mentioned control and protection issues should be embedded into the DG interfacing converter control scheme. Some case study results are also shown in this paper to further illustrate the above mentioned issues.

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“…In this case, the power system can provide the neutral wire in two ways: via a conventional three-phase inverter with a Δ-Y connected isolation transformer or a three-phase four-wire inverter. However, considering that the conventional three-phase inverter with an isolation transformer exhibits many disadvantages, such as bulkiness, large weight, and high cost, three-phase four-wire transformerless topologies are preferred [1]- [5]. Three-phase four-wire inverters can be divided into three-leg inverters with a split DC link and four-leg inverters [6]- [11].…”

Section: Introductionmentioning

confidence: 99%

Design of a Hybrid Controller for the Three-phase Four-leg Voltage-source Inverter with Unbalanced Load

Doan¹,

Kim²,

Choi³

et al. 2017

Journal of Power Electronics

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The three-phase four-leg voltage-source inverter topology is an interesting option for the three-phase four-wire system. With an additional leg, this topology can achieve superior performance under unbalanced and nonlinear load conditions. However, because of the low bandwidth of conventional controllers in high-power inverter applications, the system cannot guarantee a balanced output voltage under the unbalanced load condition. Most of the methods proposed to solve this problem mainly use the multiple synchronous frame method, which requires several controllers and a large amount of computation because of frame transformation. This study proposes a simple hybrid controller that combines proportional-integral (PI) and resonant controllers in the synchronous frame synchronized with the positive-sequence component of the output voltage of the three-phase four-leg inverter. The design procedure for the controller and the theoretical analysis are presented. The performance of the proposed method is verified by the experimental results and compared with that of the conventional PI controller.

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Control of Distributed Generation Systems— Part II: Load Sharing Control

Cited by 380 publications

References 29 publications

Parallel operation of inverters and active power filters in distributed generation system—A review

Parallel operation of inverters and active power filters in distributed generation system—A review

Control and protection of power electronics interfaced distributed generation systems in a customer-driven microgrid

Design of a Hybrid Controller for the Three-phase Four-leg Voltage-source Inverter with Unbalanced Load

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