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Multi-waveform input adaptive power adapter

An adaptive power supply and converter technology, applied in the direction of output power conversion devices, electrical components, etc., can solve the problems of poor reliability, low efficiency, high power consumption, etc., and achieve high power factor, low cost, and high power density.

Inactive Publication Date: 2013-03-20
XIAN ZHIHAI POWER TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] The invention provides a multi-waveform input adaptive power converter, which mainly solves the problems of high power consumption, low efficiency and poor reliability of existing low-voltage new energy power converters

Method used

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  • Multi-waveform input adaptive power adapter

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Embodiment Construction

[0021] The multi-waveform input adaptive power converter includes a VMOS switch circuit and a width-adjustable pulse control circuit. The input end of the VMOS switch circuit is connected to the output end of the input power supply through a freewheeling inductance, and the output end of the VMOS switch circuit is sequentially passed through the reverse The isolation circuit and the energy storage filter circuit are connected to the load, the input end of the VMOS switch circuit is also connected to the output end of the VMOS switch drive circuit, and the output end of the width-adjustable pulse control circuit is driven by the drive signal synthesis circuit and the VMOS switch The input end of the circuit is connected, the input end of the width-adjustable pulse control circuit is connected with the output end of the input power supply through the input current sampling circuit, and the input end of the driving signal synthesis circuit is also connected with the output end of t...

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Abstract

The invention provides a multi-waveform input adaptive power adapter, which mainly solves the problems that the existing low-voltage new energy power adapter is high in consumption, low in efficiency and bad in reliability. The multi-waveform input adaptive power adapter comprises a VMOS (V-groove metal oxide semiconductor) switch, a width-modulating pulse control circuit, a follow current inductor, an input power, a reverse isolating circuit, an energy storage filter circuit, a load, a VMOS switch driving circuit and a driving signal synthesis circuit. The multi-waveform input adaptive power adapter can stably output multiple waveforms of the alternating current and the direct current without distinction.

Description

technical field [0001] The invention relates to a power converter. Background technique [0002] In recent years, photovoltaic power generation, wind power generation, battery power supply and other renewable new energy systems with AC low voltage and DC low voltage power supply have been widely used. It is imperative to improve the power supply efficiency, power supply quality and power supply reliability of low voltage new energy power supply systems. [0003] At present, the power conversion known in the art basically adopts: [0004] 1. AC (AC) input, using a full-wave rectifier to rectify the input AC (AC) power to DC (DC) power, and then convert DC / DC to DC (DC) output. This kind of scheme solves the conversion problem of higher input voltage AC power supply and low-power power supply. However, when low-voltage AC power input and high-power power conversion, because the voltage drop of the AC / DC rectifier circuit is relatively high, high power consumption is generate...

Claims

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Application Information

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IPC IPC(8): H02M1/088
Inventor 胡家培胡民海
Owner XIAN ZHIHAI POWER TECH
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