文件名称:GCPPP
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Grid-connected distributed generation sources interfaced
with voltage source inverters (VSIs) need to be disconnected
the grid under: 1) excessive dc-link voltage 2) excessive ac
currents and 3) loss of grid-voltage synchronization. In this paper,
the control of single- and two-stage grid-connected VSIs in photovoltaic
(PV) power plants is developed to address the issue of
inverter disconnecting under various grid faults. Inverter control
incorporates reactive power support in the case of voltage sags
based on the grid codes’ (GCs) requirements to ride-through the
faults and support the grid voltages. A case study of a 1-MW
system simulated in MATLAB/Simulink software is used to illustrate
the proposed control. Problems that may occur during grid
faults along with associated remedies are discussed. The results
presented illustrate the capability of the system to ride-through
different types of grid faults.-Grid-connected distributed generation sources interfaced
with voltage source inverters (VSIs) need to be disconnected
the grid under: 1) excessive dc-link voltage 2) excessive ac
currents and 3) loss of grid-voltage synchronization. In this paper,
the control of single- and two-stage grid-connected VSIs in photovoltaic
(PV) power plants is developed to address the issue of
inverter disconnecting under various grid faults. Inverter control
incorporates reactive power support in the case of voltage sags
based on the grid codes’ (GCs) requirements to ride-through the
faults and support the grid voltages. A case study of a 1-MW
system simulated in MATLAB/Simulink software is used to illustrate
the proposed control. Problems that may occur during grid
faults along with associated remedies are discussed. The results
presented illustrate the capability of the system to ride-through
different types of grid faults.
with voltage source inverters (VSIs) need to be disconnected
the grid under: 1) excessive dc-link voltage 2) excessive ac
currents and 3) loss of grid-voltage synchronization. In this paper,
the control of single- and two-stage grid-connected VSIs in photovoltaic
(PV) power plants is developed to address the issue of
inverter disconnecting under various grid faults. Inverter control
incorporates reactive power support in the case of voltage sags
based on the grid codes’ (GCs) requirements to ride-through the
faults and support the grid voltages. A case study of a 1-MW
system simulated in MATLAB/Simulink software is used to illustrate
the proposed control. Problems that may occur during grid
faults along with associated remedies are discussed. The results
presented illustrate the capability of the system to ride-through
different types of grid faults.-Grid-connected distributed generation sources interfaced
with voltage source inverters (VSIs) need to be disconnected
the grid under: 1) excessive dc-link voltage 2) excessive ac
currents and 3) loss of grid-voltage synchronization. In this paper,
the control of single- and two-stage grid-connected VSIs in photovoltaic
(PV) power plants is developed to address the issue of
inverter disconnecting under various grid faults. Inverter control
incorporates reactive power support in the case of voltage sags
based on the grid codes’ (GCs) requirements to ride-through the
faults and support the grid voltages. A case study of a 1-MW
system simulated in MATLAB/Simulink software is used to illustrate
the proposed control. Problems that may occur during grid
faults along with associated remedies are discussed. The results
presented illustrate the capability of the system to ride-through
different types of grid faults.
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GCPPP.mdl