CN204119044U - A kind of novel AC-AC converter based on Buck-Boost - Google Patents
A kind of novel AC-AC converter based on Buck-Boost Download PDFInfo
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- CN204119044U CN204119044U CN201420184685.5U CN201420184685U CN204119044U CN 204119044 U CN204119044 U CN 204119044U CN 201420184685 U CN201420184685 U CN 201420184685U CN 204119044 U CN204119044 U CN 204119044U
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- Prior art keywords
- switching tube
- buck
- voltage
- boost
- ground connection
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- 239000003990 capacitor Substances 0.000 claims abstract description 8
- 238000004146 energy storage Methods 0.000 claims abstract description 8
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 7
- 230000000295 complement effect Effects 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- Ac-Ac Conversion (AREA)
Abstract
A kind of novel AC-AC converter based on Buck-Boost that the utility model provides, comprises electric capacity of voltage regulation C
in, energy storage inductor L, filter capacitor C
oand the AC power V connected successively
in, the first switching tube S
1, second switch pipe S
2, the 3rd switching tube S
3, the 4th switching tube S
4, voltage output end V
o; Described electric capacity of voltage regulation C
inone end be connected to the first switching tube S
1with AC power V
inbetween, other end ground connection; One end of described energy storage inductor L is connected to second switch pipe S
2, the 3rd switching tube S
3between, other end ground connection; Described filter capacitor C
oone end be connected to the 4th switching tube S
4with voltage output end V
obetween, other end ground connection; Described first switching tube S
1, second switch pipe S
2be respectively the bidirectional switch of two IGBT differential concatenations; Described 3rd switching tube S
3, the 4th switching tube S
4be respectively the bidirectional switch of two IGBT differential concatenations.Compared with traditional autotransformer, the solid-state transformer based on One Buck-Boost converter body has the advantages that output voltage range is wide, volume is little, and output voltage is not subject to load variations impact, and external characteristic is harder.
Description
Technical field
The utility model relates to alternating voltage converting power source field, is specially a kind of novel AC-AC converter based on Buck-Boost.
Background technology
Utilize the feature that Buck-Boost circuit output voltage can change in theory between zero to infinity, Buck-Boost chopper circuit is applied to alternating voltage conversion, proposing a kind of no-load voltage ratio can continually varying solid-state voltage device.With traditional compared with the lotus root voltage regulator, transformer based on One Buck-Boost converter body has the advantages that output voltage range is wide, volume is little, and have employed Voltage Feedback control, makes output voltage by the impact of load variations, external characteristic is comparatively hard, is with a wide range of applications.
Utility model content
Utility model object: the purpose of this utility model is for the deficiencies in the prior art, provides a kind of novel voltage changer based on Buck-Boost.
Technical scheme: a kind of novel AC-AC converter based on Buck-Boost that the utility model provides, comprises electric capacity of voltage regulation C
in, energy storage inductor L, filter capacitor C
oand the AC power V connected successively
in, the first switching tube S
1, second switch pipe S
2, the 3rd switching tube S
3, the 4th switching tube S
4, voltage output end V
o; Described electric capacity of voltage regulation C
inone end be connected to the first switching tube S
1with AC power V
inbetween, other end ground connection; One end of described energy storage inductor L is connected to second switch pipe S
2, the 3rd switching tube S
3between, other end ground connection; Described filter capacitor C
oone end be connected to the 4th switching tube S
4with voltage output end V
obetween, other end ground connection.
As improvement, described first switching tube S
1, second switch pipe S
2be respectively the bidirectional switch of two IGBT differential concatenations; Described 3rd switching tube S
3, the 4th switching tube S
4be respectively the bidirectional switch of two IGBT differential concatenations.
Beneficial effect: the AC-AC converter based on Buck-Boost that the utility model provides, relative to prior art, has following outstanding advantage:
(1) the AC-AC converter based on Buck-Boost that provides of the utility model is compared with traditional converter, and use bidirectional active device to replace original single-phase active devices switch, achieving a kind of no-load voltage ratio can continually varying solid-state converter.
(2) the AC-AC converter based on Buck-Boost that provides of the utility model adopts the output AC voltage of One Buck-Boost converter body can consecutive variations, and output voltage range is wide, volume is little.
(3) the AC-AC converter output voltage based on Buck-Boost that the utility model provides is not subject to the impact of load variations, and external characteristic is harder.
Accompanying drawing explanation
Fig. 1 is the topological diagram of the novel AC-AC converter based on Buck-Boost of the utility model;
Fig. 2 is the output voltage of the novel AC-AC converter based on Buck-Boost of the utility model under resistive load and map of current;
Fig. 3 is the output voltage of the novel AC-AC converter based on Buck-Boost of the utility model under inductive load and map of current;
Fig. 4 is the output voltage of the novel AC-AC converter based on Buck-Boost of the utility model under capacitive load and map of current.
Embodiment
Below technical solutions of the utility model are described in detail, but protection range of the present utility model is not limited to described embodiment.
The novel AC-AC converter based on Buck-Boost, is shown in Fig. 1, comprises electric capacity of voltage regulation C
in, energy storage inductor L, filter capacitor C
oand the AC power V connected successively
in, the first switching tube S
1, second switch pipe S
2, the 3rd switching tube S
3, the 4th switching tube S
4, voltage output end V
o; Described electric capacity of voltage regulation C
inone end be connected to the first switching tube S
1with AC power V
inbetween, other end ground connection; One end of described energy storage inductor L is connected to second switch pipe S
2, the 3rd switching tube S
3between, other end ground connection; Described filter capacitor C
oone end be connected to the 4th switching tube S
4with voltage output end V
obetween, other end ground connection.
This novel AC-AC converter based on Buck-Boost in use, the first switching tube S
1, second switch pipe S
2, the 3rd switching tube S
3, the 4th switching tube S
4conducting state can not be in simultaneously, otherwise cause loop to produce huge impulse current, damage circuit; First switching tube S
1, second switch pipe S
2, the 3rd switching tube S
3, the 4th switching tube S
4can not be in off state, otherwise the energy causing inductance L to store causing producing very high due to voltage spikes by not discharging path simultaneously, damaging switching tube.
In order to solve Commutation Problem, can sampled input voltage V
inwith output voltage V
o, make V=V
in-V
o;
As V > 0, make second switch pipe S
2, the 4th switching tube S
4conducting, the first switching tube S
1, the 3rd switching tube S
3the complementary conducting of high frequency;
As V<0, make the first switching tube S
1, the 3rd switching tube S
3conducting, second switch pipe S
2, the 4th switching tube S
4the complementary conducting of high frequency.
Test the output voltage of this novel AC-AC converter based on Buck-Boost under resistive load, inductive load, capacitive load and load current value, see shown in Fig. 2,3,4, its output voltage known can be good at stablizing, and will output voltage be made to occur larger fluctuation because of the change of load.Output voltage can be changed by continuous print by regulation voltage benchmark, become a kind of continually varying solid-state transformer.
Claims (1)
1. a novel AC-AC converter based on Buck-Boost, is characterized in that: comprise electric capacity of voltage regulation C
in, energy storage inductor L, filter capacitor C
oand the AC power V connected successively
in, the first switching tube S
1, second switch pipe S
2, the 3rd switching tube S
3, the 4th switching tube S
4, voltage output end V
o; Described electric capacity of voltage regulation C
inone end be connected to the first switching tube S
1with AC power V
inbetween, other end ground connection; One end of described energy storage inductor L is connected to second switch pipe S
2, the 3rd switching tube S
3between, other end ground connection; Described filter capacitor C
oone end be connected to the 4th switching tube S
4with voltage output end V
obetween, other end ground connection; Described first switching tube S
1, second switch pipe S
2be respectively the bidirectional switch of two IGBT differential concatenations; Described 3rd switching tube S
3, the 4th switching tube S
4be respectively the bidirectional switch of two IGBT differential concatenations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420184685.5U CN204119044U (en) | 2014-04-16 | 2014-04-16 | A kind of novel AC-AC converter based on Buck-Boost |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420184685.5U CN204119044U (en) | 2014-04-16 | 2014-04-16 | A kind of novel AC-AC converter based on Buck-Boost |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204119044U true CN204119044U (en) | 2015-01-21 |
Family
ID=52336320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420184685.5U Expired - Fee Related CN204119044U (en) | 2014-04-16 | 2014-04-16 | A kind of novel AC-AC converter based on Buck-Boost |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204119044U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106452094A (en) * | 2015-08-12 | 2017-02-22 | 伊顿制造（格拉斯哥）有限合伙莫尔日分支机构 | AC-AC converter and control method thereof |
| CN109586314A (en) * | 2018-11-23 | 2019-04-05 | 南京理工大学 | A kind of three-phase reactive power compensator of no DC energy storage unit |
| CN118249353A (en) * | 2024-05-21 | 2024-06-25 | 湖南大学 | Electric energy management topological structure based on primary energy conversion |
-
2014
- 2014-04-16 CN CN201420184685.5U patent/CN204119044U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106452094A (en) * | 2015-08-12 | 2017-02-22 | 伊顿制造（格拉斯哥）有限合伙莫尔日分支机构 | AC-AC converter and control method thereof |
| CN109586314A (en) * | 2018-11-23 | 2019-04-05 | 南京理工大学 | A kind of three-phase reactive power compensator of no DC energy storage unit |
| CN109586314B (en) * | 2018-11-23 | 2022-02-18 | 南京理工大学 | Three-phase reactive power compensation device without direct current energy storage unit |
| CN118249353A (en) * | 2024-05-21 | 2024-06-25 | 湖南大学 | Electric energy management topological structure based on primary energy conversion |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: NANJING ZIQIANG RAILROAD VEHICLE PARTS CO., LTD. Free format text: FORMER OWNER: YANG YANG Effective date: 20150407 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Huang Jiuhua Inventor after: Yang Yang Inventor before: Yang Yang |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: YANG YANG TO: HUANG JIUHUA YANG YANG |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150407 Address after: 211299 Lishui Economic Development Zone, Jiangsu, Nanjing Patentee after: Improve oneself railway vehicle fittings Co., Ltd in Nanjing Address before: Lishui District of Nanjing City, Jiangsu province 211299 Yong Yang Town Natural Bridge Road No. 688 Lishui District Branch Center Patentee before: Yang Yang |
|
| 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: 20150121 Termination date: 20190416 |