CN203519718U - Current detection structure for SVG - Google Patents
Current detection structure for SVG Download PDFInfo
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- CN203519718U CN203519718U CN201320645684.1U CN201320645684U CN203519718U CN 203519718 U CN203519718 U CN 203519718U CN 201320645684 U CN201320645684 U CN 201320645684U CN 203519718 U CN203519718 U CN 203519718U
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- svg
- aliasing
- filter
- matrix converter
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Abstract
The utility model discloses a current detection structure for an SVG, and the structure comprises a matrix converter. The double-channel output of the matrix converter is connected to an anti-aliasing digit filter, and the output of the anti-aliasing digit filter is connected to a low pass filter. According to the utility model, the anti-aliasing digit filter is added, and a process mode of down sampling is employed for the low pass filter, thereby reducing the computing resource, and improving the work efficiency of a reactive power regulating device.
Description
Technical field
The utility model relates to reactive power regulating device field, is specially a kind of electric current detecting structure for SVG.
Background technology
reactive power regulating device (SVG) is a kind of inactive reacance generator, its main circuit is exactly a bridge-type current transformer that adopts modular design, what its switching device adopted is full-control type power semiconductor switches device, as IGBT etc., by the suitable control to these switching devices, can make AC side of converter produce phase place and adjustable output voltage or the electric current of amplitude, reach the object of compensating reactive power and harmonic wave.In prior art, the digital control chip (DSP) that is applicable to power electronics is difficult to complete the complicated algorithm of active filter in single control cycle, causes the problem of reactive power adjustment device work inefficiency.
Utility model content
The purpose of this utility model is to provide a kind of electric current detecting structure for SVG, the problem existing to solve prior art.
In order to achieve the above object, the technical scheme that the utility model adopts is:
A kind of electric current detecting structure for SVG, it is characterized in that: the matrix converter that includes dual input, doubleway output, the input end of an anti-aliasing digital filter of doubleway output access of matrix converter, the output terminal of anti-aliasing digital filter accesses respectively the input end of a low-pass filter.
The utility model has increased anti-aliasing digital filter, to low-pass filter, adopts down-sampled processing mode to reduce its computational resource, has improved the work efficiency of reactive power regulating device.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Embodiment
As shown in Figure 1.A kind of electric current detecting structure for SVG, include the matrix converter C32C of dual input, doubleway output, the input end of an anti-aliasing digital filter of doubleway output access of matrix converter C32C, the output terminal of anti-aliasing digital filter accesses respectively the input end of a low-pass filter LPFS.
Claims (1)
1. the electric current detecting structure for SVG, it is characterized in that: the matrix converter that includes dual input, doubleway output, the input end of an anti-aliasing digital filter of doubleway output access of matrix converter, the output terminal of anti-aliasing digital filter accesses respectively the input end of a low-pass filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320645684.1U CN203519718U (en) | 2013-10-18 | 2013-10-18 | Current detection structure for SVG |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320645684.1U CN203519718U (en) | 2013-10-18 | 2013-10-18 | Current detection structure for SVG |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203519718U true CN203519718U (en) | 2014-04-02 |
Family
ID=50378632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320645684.1U Expired - Fee Related CN203519718U (en) | 2013-10-18 | 2013-10-18 | Current detection structure for SVG |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203519718U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112737448A (en) * | 2020-12-29 | 2021-04-30 | 联合汽车电子有限公司 | Vehicle motor control system and control method |
-
2013
- 2013-10-18 CN CN201320645684.1U patent/CN203519718U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112737448A (en) * | 2020-12-29 | 2021-04-30 | 联合汽车电子有限公司 | Vehicle motor control system and control method |
| CN112737448B (en) * | 2020-12-29 | 2023-03-03 | 联合汽车电子有限公司 | Vehicle motor control system and control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140402 Termination date: 20201018 |