Rectifier filter circuit unit and rectifier filter circuit
A technology of rectification filter circuit and filter capacitor, which is applied in the field of power supply, can solve the problems of high single price, large working loss, low power of double voltage rectification, etc., and achieve the effect of small quantity, high utilization rate and fast charging speed
Inactive Publication Date: 2017-08-29
LEIHUA ELECTRONICS TECH RES INST AVIATION IND OF CHINA
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Problems solved by technology
In terms of cost, the number of rectifier tubes used in full-bridge rectification is large, and the work loss is large, especially the price of a single high-voltage rectifier diode is high
The voltage doubler rectifier has the disadvantages of low power and slow boost
Method used
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[0019] In order to make the objectives, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be described in more detail below in conjunction with the drawings in the embodiments of the present invention.
[0020] The rectification filter circuit unit of the present invention such as figure 1 As shown on the right side of the middle transformer, it mainly includes two secondary windings of the transformer, a rectifier diode and a filter capacitor; The number of turns of T2 and T3 is the same, the terminals with the same name of the secondary windings T2 and T3 of the transformer are A and B respectively, and the terminals with the same name of the secondary winding T2 are connected with the terminals of the same name of the secondary winding T3; there are four rectifier diodes, respectively Rectifier diode V1, rectifier diode V2, rectifier diode V3 and rectifier diode V4, the cathode of re...
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The invention relates to a rectifier filter circuit unit and a rectifier filter circuit. The rectifier filter circuit unit comprises a two-way transformer secondary winding unit, four rectifier diodes and two filter capacitors. The rectifier filter circuit comprises a transformer and at least one rectifier filter circuit unit. The rectifier filter circuit unit and the rectifier filter circuit disclosed by the invention have the advantages that (1) the quantity of circuit devices is small when the circuit is a high step-up ratio circuit; (2) each winding of the transformer works continuously, and the utilization rate is high; (3) the charging speed of the filter capacitors is high; and (4) the rectifier filter circuit unit and the rectifier filter circuit are particularly suitable for being used in the fields of transmitter high voltage power supplies or analogous extra-high voltage circuits.
Description
technical field [0001] The invention belongs to the technical field of power supplies, and in particular relates to a rectification filter circuit unit and a rectification filter circuit. Background technique [0002] Traveling wave tube is a kind of microwave vacuum electronic device which is widely used in electronic warfare, radar and communication systems. From the perspective of electrical parameters, radar transmitters are designed around traveling wave tubes. The traveling wave tube is a high-voltage device, its operating voltage is often tens of thousands of volts, and its power is tens to kilowatts. In order to satisfy the stable operation of the traveling wave tube, it is necessary to provide a stable and reliable working electrical environment. [0003] Most of the current high-voltage power supplies for transmitters are boosted by transformers and then transmitted to the load of the traveling wave tube through a full-bridge rectifier and filter circuit. Some lo...
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IPC IPC(8): H02M7/06H02M1/14
CPCH02M7/06H02M1/14
Inventor 房希睿师磊吴黎明
Owner LEIHUA ELECTRONICS TECH RES INST AVIATION IND OF CHINA