Off-grid and grid-connection control method and system for virtual synchronous generator
A technology of virtual synchronization and control method, which is applied in the direction of single-network parallel feeding arrangement, etc., and can solve problems such as the inability to realize stable and seamless switching between grid-connected and off-grid
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[0025] see figure 1 , providing an embodiment of an off-grid / grid-connected switching control method applied to a virtual synchronous generator, including the following steps:
[0026] S100: Establishing mechanical equations and electromagnetic equations of the virtual synchronous generator.
[0027] Using the mechanical and electromagnetic equations of the virtual synchronous generator to control the virtual synchronous generator is based on the fact that the grid-connected inverter of the virtual synchronous generator has the same external characteristics as the traditional synchronous generator. The mechanical equation and the electromagnetic equation are established, that is, the virtual Mathematical model of a synchronous generator. Using virtual synchronous generator technology, the traditional synchronous generator electromagnetic equation is used to control the grid-connected inverter, that is, the traditional synchronous generator electromagnetic equation is used to ...
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