Micro-grid harmonic suppression method based on synchronous inversion technology
A harmonic suppression and synchronous inverter technology, applied in AC network to reduce harmonic/ripple, harmonic reduction device, irreversible DC power input conversion to AC power output, etc., can solve a large number of harmonics in microgrid Waves, unsatisfaction, lack of inertia and damping for micro-sources
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[0069] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0070] The specific flow of the invention is attached figure 1 As shown, the present invention proposes a microgrid harmonic suppression method based on synchronous inverter technology. The method is based on synchronous inverter technology control. When the microgrid is in the island operation mode, the microgrid operating time is collected from the PCC point According to the collected power information, the power and harmonic information required by each control module are calculated, and then sent to the synchronous inverter control module and the harmonic frequency division suppression control module for control. The signal processed by the synchronous inverter control method is combined with the voltage signal controlled by the frequency division suppression method, and the inverter control signal is generated after the double-loop control to control the...
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