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Inverter power supply circuit

A technology of inverter power supply and circuit, which is applied in the field of power supply, can solve problems such as innovation and unrealizable design, and achieve the effects of increasing flexibility, flexible and changeable control methods, and improving teaching efficiency

Active Publication Date: 2018-04-03
ZHEJIANG UNIV CITY COLLEGE
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the teaching of inverter circuits mostly adopts conventional inverter circuits, emphasizing the verification experiments of various principles. , Design experiments cannot be realized

Method used

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Examples

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Embodiment Construction

[0026] Such as figure 1 As shown, an inverter power supply circuit includes a main circuit 1 , an output filter circuit 2 , a drive circuit 3 , a SPWM generation circuit 4 , a signal amplification circuit 5 , and a main control circuit 6 .

[0027] Such as figure 2 As shown, the main circuit 1 includes four NMOS transistors, four diodes, four resistors, and five capacitors.

[0028] The drain of the first NMOS transistor M1, the anode of the first diode D1, one end of the first resistor R1, the drain of the second NMOS transistor M2, the anode of the second diode D2, and one end of the second resistor R2 are connected One end of the voltage stabilizing capacitor C is then connected, and the positive pole of the DC power supply is connected through the fuse F; the cathode of the first diode D1 and the other end of the first resistor R1 are connected to one end of the first capacitor C1, and the second end of the second diode D2 The cathode and the other end of the second res...

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Abstract

The invention relates to an inverter power supply circuit. At present, teaching of an inverter circuit is mostly implemented by a conventional inverter circuit, students can know the principle of theinverter circuit to a certain degree in experiments, but innovative and designing experiments cannot be implemented. The inverter power supply circuit comprises a main circuit, an output filter circuit, a driving circuit, an SPWM (sinusoidal pulse width modulation) generation circuit, a signal amplification circuit and a main control circuit which are sequentially connected. The building block andmodular inverter power supply circuit is designed and can be decomposed and accumulated, control methods are flexible, inverter circuit teaching flexibility and diversity are enhanced, and teaching efficiency is effectively improved. Teaching effects are greatly improved, research and innovation spirit of students is motivated, and innovation and implementation of the novel methods and new meansof the inverter circuit by the students can be enhanced.

Description

technical field [0001] The invention belongs to the technical field of power supplies, and in particular relates to an inverter power supply circuit. Background technique [0002] At present, the inverter circuit is increasingly widely used. In some existing power sources, batteries, solar cells, etc. are all DC power sources. For AC loads, these power sources need to be converted into AC power for the load; The core circuit also needs to invert the direct current into an alternating current circuit. Inverter circuit is an important part of power electronic equipment and an important content in the teaching of power electronics technology. At present, the teaching of inverter circuits mostly adopts conventional inverter circuits, emphasizing the verification experiments of various principles. , Design experiments can not be realized. In order to more clearly reflect the circuits and working mechanism of each part of the inverter circuit, while taking into account the inn...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09B23/18
CPCG09B23/183Y02B70/10
Inventor 任国海杜鹏英姚立海江皓陈慧
Owner ZHEJIANG UNIV CITY COLLEGE
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