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Inverter capable of distributing input power and method of operation thereof

A technology of input power and inverter, which is applied in the direction of output power conversion device, irreversible DC power input to AC power output, electrical components, etc., which can solve the problems of low-frequency ripple of DC power supply and reduce the efficiency of renewable energy, etc. , to achieve the effects of reducing reverse effects, reducing switching losses, and increasing power conversion efficiency

Inactive Publication Date: 2016-09-07
DARFON ELECTRONICS (SUZHOU) CO LTD +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the voltage and current of the load or mains coupled to the inverter are in phase, the frequency of the AC power is twice the frequency of the voltage and current of the load or mains, and the AC power may adversely affect the DC power and Generating Low Frequency Ripples on DC Power Supplies
If the DC power source is a renewable energy source (such as solar energy or wind power, etc.), a DC power source containing low-frequency ripples will reduce the efficiency of the maximum power output of the renewable energy source

Method used

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  • Inverter capable of distributing input power and method of operation thereof
  • Inverter capable of distributing input power and method of operation thereof
  • Inverter capable of distributing input power and method of operation thereof

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Embodiment Construction

[0081] In order to have a further understanding of the purpose, structure, features, and functions of the present invention, the following detailed descriptions are provided in conjunction with the embodiments.

[0082] Please refer to figure 1 , figure 1 A schematic diagram of a converter 100 (isolated type) capable of distributing input power is described for an embodiment of the present invention. The converter 100 includes a controller 102 , an input unit 104 , a modulation unit 106 and a phase converter 108 . The controller 102 is used to generate the switch control signal SCS, the inverting switch control signal The first pulse width modulation control signal FPWM and the second pulse width modulation control signal SPWM. The input unit 104 is used to be coupled to the DC power supply 110, and store and transmit the input power PDC of the DC power supply 110 according to the first pulse width modulation control signal FPWM, wherein the input power PDC is equal to the...

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Abstract

The invention provides a transverter capable of assigning an input power. The transverter includes a controller, an input unit, a modulation unit, and a phase changer. The controller generates a switching control signal, an inverting switching control signal, a first pulse width modulation control signal and a second pulse width modulation control signal. The input unit, according to the first pulse width modulation control signal, stores and transmits the input power of a DC power supply. The modulation unit, according to the second pulse width modulation control signal and a portion of the input power, generates and outputs a sine wave current of a full wave rectification. The phase changer, according to the switching control signal and the inverting switching control signal, converts the sine wave current into an alternating current and outputs the alternating current to a load or an electric supply.

Description

technical field [0001] The invention relates to a converter and an operating method thereof, in particular to a converter and an operating method thereof with the advantages of simple control method, less energy conversion times and high conversion efficiency. Background technique [0002] Generally speaking, the converter can convert the input power of the DC power supply into AC power, and output the AC power to the load or the utility power. If the voltage and current of the load or mains coupled to the inverter are in phase, the frequency of the AC power is twice the frequency of the voltage and current of the load or mains, and the AC power may adversely affect the DC power and Generates low frequency ripple on the DC power supply. If the DC power source is a renewable energy source (such as solar energy or wind power, etc.), the DC power source with low frequency ripple will reduce the efficiency of the maximum power output of the renewable energy source. Therefore, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02M1/14H02M7/48
Inventor 陈耀铭廖建尧林文勋周政彦
Owner DARFON ELECTRONICS (SUZHOU) CO LTD
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