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Power supply, power supply control method, device and power correction circuit

A power correction and power control technology, applied in the fields of power supplies, devices, power correction circuits, and power supply control methods, can solve problems such as increasing noise pollution of power supply modules, power grid pollution, difficulty in loop design of power correction circuits, and inability to effectively control current distortion. , to achieve the effect of optimizing the total harmonic distortion rate and increasing noise pollution

Active Publication Date: 2021-05-04
SHENZHEN WINLINE TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present disclosure provides a power supply, a power supply control method, a device, and a power correction circuit, so as to at least solve the controlled object of the loop design in the prior art due to the diversification of application scenarios of power supply modules and changes in input conditions It will also change, resulting in the difficulty of the loop design of the power correction circuit in the power module, so the current distortion cannot be effectively controlled, thereby increasing the technical problems of noise pollution of the power module and pollution to the power grid

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  • Power supply, power supply control method, device and power correction circuit
  • Power supply, power supply control method, device and power correction circuit
  • Power supply, power supply control method, device and power correction circuit

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Embodiment Construction

[0022] It should be noted that, in the case of no conflict, the embodiments in the present disclosure and the features in the embodiments can be combined with each other. The present disclosure will be described in detail below with reference to the accompanying drawings and embodiments.

[0023] In order to enable those skilled in the art to better understand the present disclosure, the technical solutions in the embodiments of the present disclosure will be clearly and completely described below in conjunction with the drawings in the embodiments of the present disclosure. Obviously, the described embodiments are only It is an embodiment of a part of the present disclosure, but not all of the embodiments. Based on the embodiments in the present disclosure, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present disclosure.

[0024] It should be noted that the terms "first" a...

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Abstract

The application discloses a power supply, a power supply control method, a device and a power correction circuit. Among them, the power supply control method includes: detecting the current waveform of the input current input to the power module; determining the equivalent circuit model corresponding to the input source of the input current according to the current waveform; Loop control algorithm for power correction of current.

Description

technical field [0001] The present application relates to the technical field of power supply charging, in particular to a power supply, a power supply control method, a device, and a power correction circuit. Background technique [0002] In the field of power supply, the application scenarios of AC-DC power supply with AC input and DC output (such as electric vehicle charging) are becoming more and more diverse, and there are various AC input source power supply methods for the input AC source of the power module. The existing connection methods between the power module and the mains are: 1. The power module is directly connected to the input of the mains (see Figure 6A shown); 2. A power frequency transformer is connected between the input of the power module and the mains (see Figure 6B shown); 3. The input source of the power module is the output of the inverter (see Figure 6C shown); 4. The power module is connected with an inverter and a power frequency transforme...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02M1/42H02M1/12
CPCH02M1/12H02M1/4208H02M1/4225Y02B70/10
Inventor 付加友张凯旋李晨光张海东陈小平朱建国
Owner SHENZHEN WINLINE TECH