Energy feedback management system of fan variable pitch system and control method
A technology of energy feedback and management system, which is applied in the direction of electric vehicles, electrical components, transportation and packaging, etc., can solve problems such as waste, can only be converted into heat energy consumption, and feedback energy cannot be effectively used, so as to suppress voltage rise and avoid The effect of wasting energy
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[0047] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in combination with specific embodiments and with reference to the accompanying drawings. It should be understood that these descriptions are exemplary only, and are not intended to limit the scope of the present invention. Also, in the following description, descriptions of well-known structures and techniques are omitted to avoid unnecessarily obscuring the concept of the present invention.
[0048] The first aspect of the present invention provides an energy feedback management system for wind turbine pitch control system, such as figure 2As shown, the energy feedback management system includes a DC bus voltage acquisition circuit, a DC bus voltage judgment processing module, a supercapacitor charging circuit and a lubrication unit power supply circuit; the DC bus voltage acquisition circuit, the supercapaci...
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