Smart grid fractional electrical spring that does not require non-critical loads
A technology for non-critical loads and smart grids, which is applied in the directions of reducing flicker of AC networks and reducing/preventing power oscillations. It can solve the problems of limited number of non-critical loads and restrictions on the application of electric springs, etc., to achieve flexible and convenient use, avoid impact, The effect of guaranteed voltage
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[0016] The present invention will be further described below in conjunction with specific embodiments.
[0017] Such as figure 1 As shown, the smart grid fractional-order electrical spring without non-critical load provided by this embodiment includes a voltage sampler 1, a controller 2 and an adjustable-order fractional impedance 3. The controller 2 is respectively connected to the voltage sampler 1. Connected to fractional impedance 3, voltage sampler 1 is connected in parallel to the critical load V S At both ends, the controller 2 generates corresponding control signals according to the grid voltage signal collected by the voltage sampler 1 to control the order of the fractional impedance 3, so that the fractional electrical spring suppresses the grid voltage fluctuation according to the principle of mechanical spring restraining mechanical vibration. Fractional-order electrical springs are connected in parallel at both ends of the key load to suppress grid fluctuations and en...
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