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Finite differential converter method of triangular function and implementation apparatus thereof

A technology of trigonometric function and commutation device, which is applied to the conversion device of output power, the conversion of AC power input to AC power output, and the conversion of AC power input to DC power output, etc., can solve the problems of high cost and low efficiency, and achieve Simple control strategy, saving resources and ensuring the effect of power quality

Inactive Publication Date: 2007-08-08
内蒙古亿人环保科技有限公司
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Problems solved by technology

At present, the cost of photovoltaic cell power generation is still very high, and the PV inverter with the highest efficiency can only be about 92%. There is generally a problem of low efficiency during low-load inverters, and the newly developed PV inverter is required to be able to operate at low power. Therefore, improving the efficiency and sinusoidality of PV system inverters is an urgent task facing the issue of renewable energy utilization.

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  • Finite differential converter method of triangular function and implementation apparatus thereof
  • Finite differential converter method of triangular function and implementation apparatus thereof
  • Finite differential converter method of triangular function and implementation apparatus thereof

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Embodiment Construction

[0110] Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

[0111] As we all know, any kind of physical phenomenon in nature can only be described accurately by mathematics, so that human beings can scientifically control this physical phenomenon. The same principle applies to the use of power electronics technology to control inverter technology. If a current conversion technology can accurately use mathematics to model the behavior of this electrical energy conversion phenomenon, then the behavioral simulation of this conversion is undoubtedly accurate. The trigonometric finite differential variable current technology is a variable current technology realized according to strict electrical laws, theorems, mathematical equations and logic. The various phenomena of sinusoidal alternating current are the most typical trigonometric function phenomena, so the concept of differential calculus can be ...

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Abstract

The invention discloses one triangle function limit micro variable flow method, which comprises the following steps: setting displacement transducer connection set to get needed basic voltage; using each base frequency and frequency function or different function to form triangle function limit micro variable equation with two sides as input and output signals; setting sine function transducer, power electron switch and outside circuit to get the analysis variable equation topological circuit and integrating the angle frequency and difference to form integral logic control.

Description

technical field [0001] The present invention relates to power electronics techniques (Power Electronics techniques), in particular to a trigonometric function limited differential converter method and its realization device (Trigonometric function limited differential converter), which is used to realize AC to AC frequency conversion without rectification link, extremely Small harmonic rectification (AC to DC) and very small harmonic direct current inverter (DC to AC). Background technique [0002] Since the practical and commercialization of silicon controlled rectifier (SCR or thyristor Thyristor) in the 1960s, it marked the real beginning of electrical variable speed drive VSD (Variable-speed driver), as early as the 20th century In the 1990s, Germany's patented technology realized the cycloconverter CC (cycloconverters), also known as a cycloconverter. Today CC is mainly used in AC to AC frequency conversion, and is widely used in steel, cement, mining, ship drag and hi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02M5/297H02M7/758
Inventor 邱统陆
Owner 内蒙古亿人环保科技有限公司
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