CN109818513A - A kind of two-way mixed-rectification device of modified based on LLC series resonance - Google Patents
A kind of two-way mixed-rectification device of modified based on LLC series resonance Download PDFInfo
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- CN109818513A CN109818513A CN201910205814.1A CN201910205814A CN109818513A CN 109818513 A CN109818513 A CN 109818513A CN 201910205814 A CN201910205814 A CN 201910205814A CN 109818513 A CN109818513 A CN 109818513A
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
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Abstract
The present invention provides a kind of two-way mixed-rectification device of modified based on LLC series resonance, including rectifier bridge Q, input filter circuit E, the harmonic injection circuit B being made of 6 diodes and 6 IGBT, by first switch tube (T1), second switch (T2), the first inductance (L1), the second inductance (L2), first diode (D1), the second diode (D2) and first capacitor (C) composition the DC-DC Buck chopper concatenated up and down, by first switch tube (S1), second switch (S2), the second capacitor (Cr), transformer (T) remember leakage inductance (Lr) and magnetizing inductance (Lm) constitute LLC series resonant circuit.The present invention realizes power factor emendation function, and switching loss is small, and Harmonics of Input rate is low, high-efficient at low cost, the adjustable excellent properties of full voltage range.
Description
Technical field
The present invention relates to field of power electronics more particularly to a kind of two-way mixing of modified based on LLC series resonance are whole
Flow device.
Background technique
The two-stage AC-DC converter based on LLC series resonance is widely used in LCD power supply at present, as shown in Figure 1；This
In scheme, converter is divided into two independent power transmission grades；The first order is power factor correction stage, by specifically controlling plan
Input current is slightly made to follow input voltage waveform, increase power factor reduces harmonic content；Control circuit is also to output simultaneously
Voltage is fed back, and is modulated to output voltage；The second level is the DC-DC conversion stage based on LLC series resonance, the second level pair
First order output voltage carries out fine tuning, and all switching tubes realize Sofe Switch；Two-stage AC-DC converter is good to obtain
Electric property, such as High Power Factor, good voltage regulation performance, but this power factor correction stage is even not perfect, it is total humorous
Wave aberration rate is high, and output effect is undesirable.
Summary of the invention
In view of the deficiency of the prior art, it is two-way mixed to provide a kind of modified based on LLC series resonance by the present invention
Rectifier is closed, circuit of power factor correction is replaced using the two-way mixed-rectification device of modified, this circuit has lower device
The characteristics of voltage stress, wide scope reduced output voltage, relatively strong input, output current handling capability.
In order to solve the above technical problems, the embodiment of the present invention adopts the following technical scheme that, it is specific as follows:
The two-way mixed-rectification device of a kind of modified based on LLC series resonance, characterized by comprising: rectifier bridge Q, input filter
Circuit E, the harmonic injection circuit B being made of 6 diodes and 6 IGBT, wherein connection type is the first IGBT(Sx1) hair
Emitter-base bandgap grading and the 2nd IGBT(Sx2) collector connection, first diode (Dx1) anode and the second diode (Dx2) anode connect
It connects, the first IGBT(Sx1) collector and first diode (Dx1) cathode connection, the 2nd IGBT(Sx2) collector and second
Diode (Dx2) cathode connection；3rd IGBT(Sy1) emitter and the 4th IGBT(Sy2) collector connection, the three or two pole
Manage (Dy1) anode and the 4th diode (Dy2) anode connection, the 3rd IGBT(Sy1) collector and third diode (Dy1)
Cathode connection, the 4th IGBT(Sy2) collector and the 4th diode (Dy2) cathode connection；5th IGBT(Sz1) transmitting
Pole and the 6th IGBT(Sz2) collector connection, the 5th diode (Dz1) anode and the 6th diode (Dz2) anode connection,
5th IGBT(Sz1) collector and the 5th diode (Dz1) cathode connection, the 6th IGBT(Sz2) collector and the six or two
Pole pipe (Dz2) cathode connection；7th diode (D1) anode and the 8th diode (D2) cathode connection；7th diode
(D1) anode and the second diode (Dx2) cathode, the 4th diode (Dy2) cathode, the 6th diode (Dz2) cathode connect
It connects.
According to the two-way mixed-rectification device of a kind of modified based on LLC series resonance, it is characterised in that described
DC-DC Buck circuit is by first switch tube (T1), second switch (T2), the first inductance (L1), the second inductance (L2), the seven or two
Pole pipe (D1), the 8th diode (D2) and first capacitor (C) composition；First switch tube (T1) collector and rectifier bridge (Q) be total to
Cathode connection；Second switch (T2) emitter connect with the common-anode of rectifier bridge (Q).
According to the two-way mixed-rectification device of a kind of modified based on LLC series resonance, it is characterised in that the first electricity
Feel (L1) one end and first switch tube (T1) emitter, the 7th diode (D1) cathode connection；First inductance (L1) it is another
One end is connect with first capacitor (C)；The other end of first capacitor (C) and the second inductance (L2) one end connection；Second inductance (L2)
The other end and the 8th diode (D2) anode, second switch (T2) collector connection.
According to the two-way mixed-rectification device of a kind of modified based on LLC series resonance, it is characterised in that described
LLC series resonant circuit is by third switching tube (S1), the 4th switching tube (S2), the second capacitor (Cr), transformer (T) remember leakage inductance
(Lr) and magnetizing inductance (Lm) constitute, third switching tube (S1) drain electrode and the one end of first capacitor (C), the first inductance (L1)
One end connection；4th switching tube (S2) source electrode and first capacitor (C) the other end, the second inductance (L2) one end, the second capacitor
(Cr) one end connection；Third switching tube (S1) source electrode and the 4th switching tube (S2) drain electrode, third inductance (Lr) one end connect
It connects.
According to the two-way mixed-rectification device of a kind of modified based on LLC series resonance, which is characterized in that by the 9th
Diode (Do1), the tenth diode (Do2) and third capacitor (Co) constitute output rectifier and filter.
Detailed description of the invention
Illustrate the embodiment of the present invention or technical solution in the prior art in order to clearer, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it is clear that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings:
Fig. 1 is a kind of structure chart of the two-way mixed-rectification device of modified based on LLC series resonance；
Fig. 2 is the equivalent circuit that two-way the first, second switching tube of mixed-rectification device of modified corresponds to that switch state is (ON, ON)
Figure；
Fig. 3 is the equivalent circuit that two-way the first, second switching tube of mixed-rectification device of modified corresponds to that switch state is (ON, OFF)
Figure；
Fig. 4 is the equivalent circuit that two-way the first, second switching tube of mixed-rectification device of modified corresponds to that switch state is (OFF, ON)
Figure；
Fig. 5 is the equivalent circuit that two-way the first, second switching tube of mixed-rectification device of modified corresponds to that switch state is (OFF, OFF)
Figure.
Specific embodiment
The present invention provides a kind of two-way mixed-rectification device of modified based on LLC series resonance, including rectifier bridge Q, it is defeated
Enter filter circuit E, the harmonic injection circuit B being made of 6 diodes and 6 IGBT, by first switch tube (T1), second switch
Manage (T2), the first inductance (L1), the second inductance (L2), first diode (D1), the second diode (D2) and first capacitor (C) composition
The DC-DC Buck chopper concatenated up and down, by first switch tube (S1), second switch (S2), the second capacitor (Cr), transformation
Device (T) remembers leakage inductance (Lr) and magnetizing inductance (Lm) constitute LLC series resonant circuit.
The two-way mixed-rectification device of a kind of modified based on LLC series resonance, characterized by comprising: rectifier bridge Q, input
Filter circuit E, the harmonic injection circuit B being made of 6 diodes and 6 IGBT, wherein connection type is the first IGBT(Sx1)
Emitter and the 2nd IGBT(Sx2) collector connection, first diode (Dx1) anode and the second diode (Dx2) sun
Pole connection, the first IGBT(Sx1) collector and first diode (Dx1) cathode connection, the 2nd IGBT(Sx2) collector with
Second diode (Dx2) cathode connection；3rd IGBT(Sy1) emitter and the 4th IGBT(Sy2) collector connection, third
Diode (Dy1) anode and the 4th diode (Dy2) anode connection, the 3rd IGBT(Sy1) collector and third diode
(Dy1) cathode connection, the 4th IGBT(Sy2) collector and the 4th diode (Dy2) cathode connection；5th IGBT(Sz1)
Emitter and the 6th IGBT(Sz2) collector connection, the 5th diode (Dz1) anode and the 6th diode (Dz2) anode
Connection, the 5th IGBT(Sz1) collector and the 5th diode (Dz1) cathode connection, the 6th IGBT(Sz2) collector and
Six diode (Dz2) cathode connection；7th diode (D1) anode and the 8th diode (D2) cathode connection；Seven or two
Pole pipe (D1) anode and the second diode (Dx2) cathode, the 4th diode (Dy2) cathode, the 6th diode (Dz2) yin
Pole connection.
According to the two-way mixed-rectification device of a kind of modified based on LLC series resonance, it is characterised in that described
DC-DC Buck circuit is by first switch tube (T1), second switch (T2), the first inductance (L1), the second inductance (L2), the seven or two
Pole pipe (D1), the 8th diode (D2) and first capacitor (C) composition；First switch tube (T1) collector and rectifier bridge (Q) be total to
Cathode connection；Second switch (T2) emitter connect with the common-anode of rectifier bridge (Q).
According to the two-way mixed-rectification device of a kind of modified based on LLC series resonance, it is characterised in that the first electricity
Feel (L1) one end and first switch tube (T1) emitter, the 7th diode (D1) cathode connection；First inductance (L1) it is another
One end is connect with first capacitor (C)；The other end of first capacitor (C) and the second inductance (L2) one end connection；Second inductance (L2)
The other end and the 8th diode (D2) anode, second switch (T2) collector connection.
According to the two-way mixed-rectification device of a kind of modified based on LLC series resonance, it is characterised in that described
LLC series resonant circuit is by third switching tube (S1), the 4th switching tube (S2), the second capacitor (Cr), transformer (T) remember leakage inductance
(Lr) and magnetizing inductance (Lm) constitute, third switching tube (S1) drain electrode and the one end of first capacitor (C), the first inductance (L1)
One end connection；4th switching tube (S2) source electrode and first capacitor (C) the other end, the second inductance (L2) one end, the second capacitor
(Cr) one end connection；Third switching tube (S1) source electrode and the 4th switching tube (S2) drain electrode, third inductance (Lr) one end connect
It connects.
According to the two-way mixed-rectification device of a kind of modified based on LLC series resonance, which is characterized in that by the 9th
Diode (Do1), the tenth diode (Do2) and third capacitor (Co) constitute output rectifier and filter.
The each way switch pipe of harmonic injection circuit, which is opened, will all correspond to four kinds of operating modes, wherein with the 3rd IGBT (Sy1) and
4th IGBT (Sy2) open for:
(A) the first working condition
DC bus inductive current IDCThe two-phase in AC three-phase will be flowed through or keep freewheeling state through freewheeling diode, when
First switch tube (T1) and second switch (T2) switch state be (ON, ON), as shown in Fig. 2, then having:
IA=IDC, IB=0, IC=-IDC
Answer the space vector of rectifier current on line side are as follows:
B) the second working condition
As first switch tube (T1) and second switch (T2) switch state be (ON, OFF), as shown in figure 3, then having:
IA=IDC, IB=-IDC, IC=0
Answer the space vector of rectifier current on line side are as follows:
(C) third working condition
As first switch tube (T1) and second switch (T2) switch state be (OFF, ON), as shown in figure 4, then having:
IA=0, IB=IDC, IC=-IDC
Answer the space vector of rectifier current on line side are as follows:
(D) the 4th working condition
As first switch tube (T1) and second switch (T2) switch state be (OFF, OFF), as shown in figure 5, then having:
IA=0, IB=0, IC=0
Answer the space vector of rectifier current on line side are as follows:
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any to be familiar with
Those skilled in the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all cover
Within protection scope of the present invention, therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (5)
1. a kind of two-way mixed-rectification device of modified based on LLC series resonance, characterized by comprising: rectifier bridge Q, input filter
Wave circuit E, the harmonic injection circuit B being made of 6 diodes and 6 IGBT, wherein connection type is the first IGBT(Sx1)
Emitter and the 2nd IGBT(Sx2) collector connection, first diode (Dx1) anode and the second diode (Dx2) anode
Connection, the first IGBT(Sx1) collector and first diode (Dx1) cathode connection, the 2nd IGBT(Sx2) collector and
Two diode (Dx2) cathode connection；3rd IGBT(Sy1) emitter and the 4th IGBT(Sy2) collector connection, the three or two
Pole pipe (Dy1) anode and the 4th diode (Dy2) anode connection, the 3rd IGBT(Sy1) collector and third diode
(Dy1) cathode connection, the 4th IGBT(Sy2) collector and the 4th diode (Dy2) cathode connection；5th IGBT(Sz1)
Emitter and the 6th IGBT(Sz2) collector connection, the 5th diode (Dz1) anode and the 6th diode (Dz2) anode
Connection, the 5th IGBT(Sz1) collector and the 5th diode (Dz1) cathode connection, the 6th IGBT(Sz2) collector and
Six diode (Dz2) cathode connection；7th diode (D1) anode and the 8th diode (D2) cathode connection；Seven or two
Pole pipe (D1) anode and the second diode (Dx2) cathode, the 4th diode (Dy2) cathode, the 6th diode (Dz2) yin
Pole connection.
2. the two-way mixed-rectification device of a kind of modified based on LLC series resonance according to claim 1, it is characterised in that
The DC-DC Buck circuit is by first switch tube (T1), second switch (T2), the first inductance (L1), the second inductance (L2),
7th diode (D1), the 8th diode (D2) and first capacitor (C) composition；First switch tube (T1) collector and rectifier bridge
(Q) common cathode connection；Second switch (T2) emitter connect with the common-anode of rectifier bridge (Q).
3. the two-way mixed-rectification device of a kind of modified based on LLC series resonance according to claim 2, it is characterised in that
First inductance (L1) one end and first switch tube (T1) emitter, the 7th diode (D1) cathode connection；First inductance
(L1) the other end connect with first capacitor (C)；The other end of first capacitor (C) and the second inductance (L2) one end connection；Second
Inductance (L2) the other end and the 8th diode (D2) anode, second switch (T2) collector connection.
4. the two-way mixed-rectification device of a kind of modified based on LLC series resonance according to claim 3, it is characterised in that
The LLC series resonant circuit is by third switching tube (S1), the 4th switching tube (S2), the second capacitor (Cr), transformer (T) note
Recall leakage inductance (Lr) and magnetizing inductance (Lm) constitute, third switching tube (S1) drain electrode and the one end of first capacitor (C), the first inductance
(L1) one end connection；4th switching tube (S2) source electrode and first capacitor (C) the other end, the second inductance (L2) one end,
Two capacitor (Cr) one end connection；Third switching tube (S1) source electrode and the 4th switching tube (S2) drain electrode, third inductance (Lr)
One end connection.
5. the two-way mixed-rectification device of a kind of modified based on LLC series resonance according to claim 4, feature exist
In by the 9th diode (Do1), the tenth diode (Do2) and third capacitor (Co) constitute output rectifier and filter.
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| CN201910205814.1A CN109818513A (en) | 2019-03-19 | 2019-03-19 | A kind of two-way mixed-rectification device of modified based on LLC series resonance |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110224602A (en) * | 2019-07-15 | 2019-09-10 | 哈尔滨理工大学 | A kind of improved three-phase mixed-rectification device based on double LLC resonance circuits |
| CN110299859A (en) * | 2019-07-11 | 2019-10-01 | 哈尔滨理工大学 | A kind of Three phase voltage-source recitifier |
| CN110380632A (en) * | 2019-06-04 | 2019-10-25 | 哈尔滨理工大学 | A kind of control algolithm of the two-way mixed structure rectifier of modified |
| CN111446873A (en) * | 2020-04-30 | 2020-07-24 | 北京信息科技大学 | Nonlinear passive current control method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101505107A (en) * | 2009-01-20 | 2009-08-12 | 华南理工大学 | Low voltage stress single-stage AC-DC converter based on LLC series resonance |
| KR20120132966A (en) * | 2011-05-30 | 2012-12-10 | 삼성전기주식회사 | Control intergrated circuit of power supply |
| CN108011513A (en) * | 2018-01-08 | 2018-05-08 | 湖南工业大学 | High-voltage high-speed generator step-down rectifier PFC system based on SWISS rectifiers |
| CN108923671A (en) * | 2018-08-07 | 2018-11-30 | 中国航空工业集团公司雷华电子技术研究所 | A kind of three-phase isolated buck-type PFC rectifier and its control method |
| CN109167524A (en) * | 2018-11-06 | 2019-01-08 | 深圳市高益智能电气有限公司 | A kind of three-phase alternating current-direct current buck translation circuit and its control method |
-
2019
- 2019-03-19 CN CN201910205814.1A patent/CN109818513A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101505107A (en) * | 2009-01-20 | 2009-08-12 | 华南理工大学 | Low voltage stress single-stage AC-DC converter based on LLC series resonance |
| KR20120132966A (en) * | 2011-05-30 | 2012-12-10 | 삼성전기주식회사 | Control intergrated circuit of power supply |
| CN108011513A (en) * | 2018-01-08 | 2018-05-08 | 湖南工业大学 | High-voltage high-speed generator step-down rectifier PFC system based on SWISS rectifiers |
| CN108923671A (en) * | 2018-08-07 | 2018-11-30 | 中国航空工业集团公司雷华电子技术研究所 | A kind of three-phase isolated buck-type PFC rectifier and its control method |
| CN109167524A (en) * | 2018-11-06 | 2019-01-08 | 深圳市高益智能电气有限公司 | A kind of three-phase alternating current-direct current buck translation circuit and its control method |
Non-Patent Citations (1)
| Title |
|---|
| 姜燕等: "基于SWISS整流器的新型LC滤波器阻尼控制策略", 《电力系统及其自动化学报》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110380632A (en) * | 2019-06-04 | 2019-10-25 | 哈尔滨理工大学 | A kind of control algolithm of the two-way mixed structure rectifier of modified |
| CN110299859A (en) * | 2019-07-11 | 2019-10-01 | 哈尔滨理工大学 | A kind of Three phase voltage-source recitifier |
| CN110224602A (en) * | 2019-07-15 | 2019-09-10 | 哈尔滨理工大学 | A kind of improved three-phase mixed-rectification device based on double LLC resonance circuits |
| CN111446873A (en) * | 2020-04-30 | 2020-07-24 | 北京信息科技大学 | Nonlinear passive current control method |
| CN111446873B (en) * | 2020-04-30 | 2021-08-17 | 北京信息科技大学 | Nonlinear passive current control method |
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