Voltage sag frequency evaluation method and device
A voltage sag and frequency technology, applied in the direction of measuring devices, measuring electricity, measuring electrical variables, etc., to achieve the effect of accurate evaluation results
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[0061] The embodiments of the present invention provide a method and device for evaluating the frequency of voltage sags, which provide a theoretical evaluation basis for the situation where a multi-level voltage transient occurs.
[0062] In order to make the objectives, features, and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be described clearly and completely in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the following The described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.
[0063] See figure 1 , An embodiment of a method for evaluating the frequency of volta...
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