CN201674411U - Deflector with full-bridge three-level control - Google Patents
Deflector with full-bridge three-level control Download PDFInfo
- Publication number
- CN201674411U CN201674411U CN2010201698234U CN201020169823U CN201674411U CN 201674411 U CN201674411 U CN 201674411U CN 2010201698234 U CN2010201698234 U CN 2010201698234U CN 201020169823 U CN201020169823 U CN 201020169823U CN 201674411 U CN201674411 U CN 201674411U
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- power components
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/40—Arrangements for reducing harmonics
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Abstract
The utility model provides a deflector with full-bridge three-level control, which can carry out reactive power compensation and harmonic filtration. The deflector comprises ports P1 and P2, transformers T1 to T6, power components V1 to V24 and a capacitor C1, wherein the primary sides of the transformers T1 to T3 are connected between the ports P1 and P2 in series, and the secondary sides of the transformers T1 to T3 are connected at the power components V1 to V12; the primary sides of the transformers T4 to T6 are connected on the port P2 in parallel, and the secondary sides of the transformers T4 to T6 are connected at the power components V13 to V24; and the power components V1 to V4, the power components V5 to V8, the power components V9 to V12, the power components V13 to V16, the power components V17 to V20 and the power components V21 to V24 form an alternating/direct full-bridge convertor respectively. The structure of the utility model adopts unitization, and the utility model can adopt multiple superposition in parallel, has the characteristics of high capacity, small volume, convenient installation and maintenance, attractive appearance and the like and is a novel high-voltage reactive and harmonic compensation device and a novel electric network drop and harmonic generation testing device.
Description
(1) technical field
The utility model relates to power electronic technology, a kind of specifically convertor assembly of full-bridge three-level control.
(2) background technology
Development along with modern power electronics technology, new technology has obtained extensive use in industrial equipment, but harmonic pollution or generation reactive current have also been brought to electrical network, in order to eliminate these influences, need a kind of convertor assembly that can carry out reactive power compensation, harmonic filtration of design, with meeting the market requirement.In addition, fall at anti-electrical network, in the grid adaptability tests such as harmonic wave, imbalance, also need to design a kind of experiment test device equipment.
(3) summary of the invention
The purpose of this utility model is to provide a kind of convertor assembly that can carry out the full-bridge three-level control of reactive power compensation, harmonic filtration.
The purpose of this utility model is achieved in that it is made up of port P1, port P2, transformer T1～T6, power device V1～V24 and capacitor C1, it is characterized in that: the former limit of transformer T1, T2, T3 is series between port P1 and the port P2, and secondary is connected power device V1～V12; The former limit of transformer T4, T5, T6 is parallel on the port P2, and secondary is connected power device V13～V24; Power device V1～V4, V5～V8, V9～V12, V13～V16, V17～V20, V21～V24 constitute friendship/straight full-bridge converter respectively, exchange the secondary that end is connected in transformer T1～T6, and dc terminal is parallel with one another holds in capacitor C1.
The convertor assembly of a kind of full-bridge three-level control of the utility model has good property, and friendship/DC converter adopts full-bridge three-level PWM control technology, has lower voltage change ratio dv/dt.The utility model structure adopts blocking, can multiple stack parallel connection, have characteristics such as big capacity, small size, installation and maintenance be convenient, aesthetic in appearance, and be the idle and harmonic compensation device of a kind of novel high voltage and electrical network falls, harmonic wave generation experimental rig.
(4) description of drawings
Fig. 1 is a circuit structure schematic diagram of the present utility model.
(5) embodiment
The utility model is described in further detail for example below in conjunction with accompanying drawing.
Embodiment 1: in conjunction with Fig. 1, the convertor assembly of a kind of full-bridge three-level control of the utility model, it is made up of port P1, port P2, transformer T1～T6, power device V1～V24 and capacitor C1, it is characterized in that: the former limit of transformer T1, T2, T3 is series between port P1 and the port P2, and secondary is connected power device V1～V12; The former limit of transformer T4, T5, T6 is parallel on the port P2, and secondary is connected power device V13～V24; Power device V1～V4, V5～V8, V9～V12, V13～V16, V17～V20, V21～V24 constitute friendship/straight full-bridge converter respectively, exchange the secondary that end is connected in transformer T1～T6, and dc terminal is parallel with one another holds in capacitor C1.
Embodiment 2: in conjunction with Fig. 1, the utility model is during as idle and harmonic compensation device, and port P1 can be connected in the electrical network end, and port P2 can be connected in the electricity consumption end; Realize by the series voltage impedance controller of electrical network end P1 by transformer T1～T3, full-bridge converter V1～V4, V5～V8, V9～V12 to electricity consumption end P2; Realize the parallel-current compensating controller of electricity consumption end P2 by transformer T4～T6, full-bridge converter V13～V16, V17～V20, V21～V24.The series voltage impedance controller is connected between electrical network end P1 and the electricity consumption end P2 by transformer T1～T3, can equivalence be a controlled voltage source, be mainly used in the influence of the voltage-type harmonic source loads such as diode rectifier circuit of the capacitor of eliminating electricity consumption end P2 side, and the voltage harmonic of electrical network end P1 and voltage fluctuation are to the influence of the sensitive loads of electricity consumption end P2 to electrical network end P1; The parallel-current compensating controller is connected in parallel on electricity consumption end P2 by transformer T4～T6, can equivalence be a controlled current source, be mainly used in the load harmonic wave or the reactive current equal and opposite in direction that produce with electricity consumption end P2, the offset current that phase place is opposite, thereby with the current compensation of electrical network end P1 is sinusoidal wave, be mainly used in the harmonic compensation of the inductance current source type load of electricity consumption end, promptly can realize the harmonic wave inhibitory action of electrical network end P1, also can compensating power, and can compensate the asymmetric electric current of three-phase, the voltage fluctuation of compensation supply terminals.
The utility model as electrical network fall, during harmonic wave generation experimental rig, port P1 can be connected in the electricity consumption end, port P2 can be connected in the electrical network end; Realize by the series voltage impedance controller of electrical network end P2 by transformer T1～T3, full-bridge converter V1～V4, V5～V8, V9～V12 to electricity consumption end P1; Realize the parallel-current controller of electrical network end P2 by transformer T4～T6, full-bridge converter V13～V16, V17～V20, V21～V24).The series voltage impedance controller is connected between electrical network end P2 and the electricity consumption end P1 by transformer T1～T3, can equivalence be a controlled voltage source, is mainly used in the impedance between instantaneous adjusting electricity consumption end P1 and the electrical network end P1; The parallel-current controller is connected in parallel on electrical network end P2 by transformer T4～T6, can equivalence be a controlled current source, is mainly used in the direct current that the series voltage impedance controller is produced, and sends into electrical network end P2 through the parallel-current controller; Can be used for simulating electrical network moment falls, and produces the test facilities such as harmonic voltage that need.
Adopt the PWM control of three level, the form of power device is not represented concrete a certain class power device type, but all can be used for the switching mode power device of this friendship/DC converter, transformer T1, T2, T3, T4, T5, T6 can be single-phase transformers, can be respectively three-phase transformer also, former limit can be that star connects also can be corner connection, and each is separate winding mutually for a secondary, and the secondary winding of same phase can have a plurality of separate windings.
Friendship/DC converter, construction unitization can be formed multipleization form, and is connected in many secondary winding, is convenient to installation and maintenance.
Claims (1)
1. the convertor assembly of full-bridge three-level control, it is made up of port P1, port P2, transformer T1～T6, power device V1～V24 and capacitor C1, it is characterized in that: the former limit of transformer T1, T2, T3 is series between port P1 and the port P2, and secondary is connected power device V1～V12; The former limit of transformer T4, T5, T6 is parallel on the port P2, and secondary is connected power device V13～V24; Power device V1～V4, V5～V8, V9～V12, V13～V16, V17～V20, V21～V24 constitute friendship/straight full-bridge converter respectively, exchange the secondary that end is connected in transformer T1～T6, and dc terminal is parallel with one another holds in capacitor C1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201698234U CN201674411U (en) | 2010-04-26 | 2010-04-26 | Deflector with full-bridge three-level control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201698234U CN201674411U (en) | 2010-04-26 | 2010-04-26 | Deflector with full-bridge three-level control |
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| Publication Number | Publication Date |
|---|---|
| CN201674411U true CN201674411U (en) | 2010-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010201698234U Expired - Fee Related CN201674411U (en) | 2010-04-26 | 2010-04-26 | Deflector with full-bridge three-level control |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102780416A (en) * | 2012-08-15 | 2012-11-14 | 株洲变流技术国家工程研究中心有限公司 | Modularization-based multi-level converter flexible direct current transmission device and system thereof |
| CN102957376A (en) * | 2011-08-15 | 2013-03-06 | 株式会社日立制作所 | Electric power converter control device and electric power conversion control method |
| CN103630763A (en) * | 2013-11-07 | 2014-03-12 | 国家电网公司 | Alternating-current power supply three-phase unbalanced drop simulator and simulation method |
-
2010
- 2010-04-26 CN CN2010201698234U patent/CN201674411U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102957376A (en) * | 2011-08-15 | 2013-03-06 | 株式会社日立制作所 | Electric power converter control device and electric power conversion control method |
| CN102957376B (en) * | 2011-08-15 | 2015-04-22 | 株式会社日立制作所 | Electric power converter control device and electric power conversion control method |
| CN102780416A (en) * | 2012-08-15 | 2012-11-14 | 株洲变流技术国家工程研究中心有限公司 | Modularization-based multi-level converter flexible direct current transmission device and system thereof |
| CN102780416B (en) * | 2012-08-15 | 2015-04-22 | 株洲变流技术国家工程研究中心有限公司 | Modularization-based multi-level converter flexible direct current transmission device and system thereof |
| CN103630763A (en) * | 2013-11-07 | 2014-03-12 | 国家电网公司 | Alternating-current power supply three-phase unbalanced drop simulator and simulation method |
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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: HARBIN JIUZHOU ELECTRICAL TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: JIUZHOU ELECTRIC CO LTD, HARBIN Effective date: 20120813 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 150081 HARBIN, HEILONGJIANG PROVINCE TO: 150028 HARBIN, HEILONGJIANG PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20120813 Address after: 150028, No. 1, unit D43, building -29, phase three, Shimao new town, Songbei, Harbin, Heilongjiang, Binjiang Patentee after: Harbin Jiuzhou Electrical Technology Co.,Ltd. Address before: 150081 Heilongjiang Province, Harbin city Nangang District haping Road No. 162 Patentee before: Jiuzhou Electric Co., Ltd., Harbin |
|
| ASS | Succession or assignment of patent right |
Owner name: ROCKWELL AUTOMATION CONTROL INTEGRATION (HARBIN) C Free format text: FORMER OWNER: HARBIN JIUZHOU ELECTRICAL TECHNOLOGY CO., LTD. Effective date: 20121113 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 150028 HARBIN, HEILONGJIANG PROVINCE TO: 150040 HARBIN, HEILONGJIANG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20121113 Address after: 150040 Heilongjiang Province, Harbin city Nangang District haping Road No. 162 Patentee after: HARBIN JIUZHOU ELECTRIC CO., LTD. Address before: 150028, No. 1, unit D43, building -29, phase three, Shimao new town, Songbei, Harbin, Heilongjiang, Binjiang Patentee before: Harbin Jiuzhou Electrical Technology Co.,Ltd. |
|
| 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: 20101215 Termination date: 20190426 |