Grid-synchronization stability of converter-based resources—An overview
This paper presents an overview of the synchronization stability of converter-based
resources under a wide range of grid conditions. The general grid-synchronization …
resources under a wide range of grid conditions. The general grid-synchronization …
An overview of assessment methods for synchronization stability of grid-connected converters under severe symmetrical grid faults
Grid-connected converters exposed to weak grid conditions and severe fault events are at
risk of losing synchronism with the external grid and neighboring converters. This …
risk of losing synchronism with the external grid and neighboring converters. This …
Transient stability analysis and control design of droop-controlled voltage source converters considering current limitation
In the modern power grid, distributed generators are widely connected to the grid via voltage
source converters (VSCs). Analyzing the transient stability of VSCs under large disturbances …
source converters (VSCs). Analyzing the transient stability of VSCs under large disturbances …
Improved weak grids synchronization unit for passivity enhancement of grid-connected inverter
The weak grids may be unstable due to the negative resistance behavior of the grid-
connected inverter (GCI) caused by the synchronization unit with the phase-locked loop …
connected inverter (GCI) caused by the synchronization unit with the phase-locked loop …
Constant-coupling-effect-based PLL for synchronization stability enhancement of grid-connected converter under weak grids
The phase-locked loop (PLL)-caused couplings on the grid-connected converter (GCC) are
strengthened by increasing its bandwidth and then incur synchronization instability. This …
strengthened by increasing its bandwidth and then incur synchronization instability. This …
A comprehensive overview of power converter applied in high-power wind turbine: Key challenges and potential solutions
The increasing penetration of offshore wind power generation promotes the revolution of
wind turbine toward high-power application. The development of high-power wind turbine …
wind turbine toward high-power application. The development of high-power wind turbine …
A virtual synchronous control for voltage-source converters utilizing dynamics of DC-link capacitor to realize self-synchronization
Voltage-source converters (VSCs) are widely used in renewable energy sources as the grid
interface, eg, wind turbine generators and photovoltaics. These VSCs control the dc-link …
interface, eg, wind turbine generators and photovoltaics. These VSCs control the dc-link …
Grid-synchronization stability analysis and loop shaping for PLL-based power converters with different reactive power control
Power converters may lose synchronization with the remaining network when integrated in a
weak power grid. Such an instability phenomenon [known as grid-synchronization instability …
weak power grid. Such an instability phenomenon [known as grid-synchronization instability …
Damping low-frequency oscillations through VSC-HVDC stations operated as virtual synchronous machines
With proper control methods, grid-connected power converters can mimic the dynamics of
conventional synchronous generators (SGs), ie, acting as virtual synchronous machines …
conventional synchronous generators (SGs), ie, acting as virtual synchronous machines …
A double-PLLs-based impedance reshaping method for extending stability range of grid-following inverter under weak grid
Conventional vector current control scheme has been widely used in grid-connected inverter
systems. However, it suffers from severe power limitation issues under weak grids. This …
systems. However, it suffers from severe power limitation issues under weak grids. This …