Overview of Control and Grid Synchronization for Distributed Power Generation Systems
Citations
2,621 citations
Cites background from "Overview of Control and Grid Synchr..."
...working on a αβ stationary reference frame [33]....
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...where kP is the proportional gain, kR is the resonant gain at the grid frequency, kih is the resonant gain at the h-harmonic to be controlled, and ωo is the detected fundamental frequency [33]....
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2,358 citations
Cites background from "Overview of Control and Grid Synchr..."
...microgrid, whereas inverter output controllers should control and regulate the output voltages and currents [19], [20], [32], [54], [55]....
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...common approach to the design of the control loops is the use of PI controllers, with additional feed-forward compensation to improve the performance of current regulators [54], [65], [66]....
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...The natural reference frame utilizes controllers realized in the form of Proportional-Integral (PI), PR, hysteresis, or dead-beat [54]....
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...A general overview of grid-side converter controllers is given in [54], [64], in which controllers are categorized based on their reference frame: synchronous ( ), stationary ( ), and natural ( )....
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1,766 citations
Cites background from "Overview of Control and Grid Synchr..."
...In such grid-connected mode, the inverter is typically controlled as a current source [1] to inject certain amount of current into the grid....
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...Grid synchronization methods [1] also have strong effects on the inverter output impedance, which have not been given much attention so far and will be studied in a future work....
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1,335 citations
1,130 citations
Cites background from "Overview of Control and Grid Synchr..."
...The majority of distributed resources are interfaced to the utility grid/loads via dc–ac inverter systems [3], [4]....
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References
6,136 citations
2,878 citations
"Overview of Control and Grid Synchr..." refers background or methods in this paper
...According to the standards in this field [13], [50]–[53], the injected current in the grid should not have a total harmonic distortion larger than 5%....
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...A soft starter is usually used to reduce the inrush currents during start up [5], [12], [13]....
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2,296 citations
"Overview of Control and Grid Synchr..." refers background or methods in this paper
...In any case, this solution also needs a soft starter and a reactive power compensator [5]....
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...The voltage boosting can be done in the dc or ac stage of the system [5]–[11]....
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...A soft starter is usually used to reduce the inrush currents during start up [5], [12], [13]....
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...60% around synchronous speed may be obtained by the use of a power converter of 30% of nominal power [5]....
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...A detailed description of the hardware structure for many types of DPGSs is given in [5]....
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2,076 citations
2,052 citations
"Overview of Control and Grid Synchr..." refers background in this paper
...As a consequence, the voltages at bus 2 will register both amplitude and phase unbalance [55]....
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...The grid faults can be classified in two main categories [55]....
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