CN206962731U - A kind of high-frequency rectification converter - Google Patents
A kind of high-frequency rectification converter Download PDFInfo
- Publication number
- CN206962731U CN206962731U CN201720773521.XU CN201720773521U CN206962731U CN 206962731 U CN206962731 U CN 206962731U CN 201720773521 U CN201720773521 U CN 201720773521U CN 206962731 U CN206962731 U CN 206962731U
- Authority
- CN
- China
- Prior art keywords
- rectifier bridge
- main capacitance
- wholly
- half control
- controled device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Rectifiers (AREA)
Abstract
The utility model provides a kind of high-frequency rectification converter, and range of operation is wide and in the absence of bridge arm direct pass phenomenon, reliability height, efficiency high.It is characterized in that：Including reactor, high frequency transformer, uncontrollable rectifier bridge, half control rectifier bridge, wholly-controled device, power diode, the first main capacitance, the second main capacitance, input and output end；Input is connected with reactor；Reactor is connected by the high-pressure side of high frequency transformer with the AC of uncontrollable rectifier bridge；The AC of half control rectifier bridge and the low-pressure side of high frequency transformer are connected, and the DC side of half control rectifier bridge is connected with the second main capacitance；Wholly-controled device is connected with the DC side of uncontrollable rectifier bridge；Power diode is in parallel with wholly-controled device after being connected with the first main capacitance；First main capacitance concatenates with the second main capacitance；The DC side of uncontrollable rectifier bridge and the DC side of half control rectifier bridge are connected with output end.
Description
Technical field
A kind of high-frequency rectification converter is the utility model is related to, in wind generator system.
Background technology
In miniature wind power generation system, power swing is violent and mean wind speed is relatively low, if applying mechanically big-and-middle-sized wind power system
Rectifier multilevel converter topological framework and control mode, it may appear that voltage mismatches, the problems such as efficiency is relatively low, therefore
The circuit structures such as the single uncontrollable rectifier device of use more than in miniature wind power generation system, Boost, but these circuit structures
Rectifier under the conditions of low wind, few wind, often occur due to voltage gain deficiency and cause blower fan can not normal grid-connected hair
Electricity, so as to limit the working range of blower fan.Therefore, studying a kind of grid-connected rectifier converter of wide scope operation has practical valency
Value.
Utility model content
The purpose of this utility model is to overcome above shortcomings in the prior art, and provides a kind of structure design and close
The wide high-frequency rectification converter of reason, range of operation.
The technical scheme in the invention for solving the above technical problem is：A kind of high-frequency rectification converter, its feature exist
In：Including reactor, high frequency transformer, uncontrollable rectifier bridge, half control rectifier bridge, wholly-controled device, power diode, the first main electricity
Appearance, the second main capacitance, input and output end；Input is connected with reactor；The high-pressure side that reactor passes through high frequency transformer
It is connected with the AC of uncontrollable rectifier bridge；The AC of half control rectifier bridge and the low-pressure side of high frequency transformer connect, half control rectification
The DC side of bridge is connected with the second main capacitance；Wholly-controled device is connected with the DC side of uncontrollable rectifier bridge；Power diode and
It is in parallel with wholly-controled device after the series connection of one main capacitance；First main capacitance concatenates with the second main capacitance；The DC side of uncontrollable rectifier bridge
It is connected with the DC side of half control rectifier bridge with output end.
Wholly-controled device described in the utility model is IGBT or GTO or IGCT.
Wholly-controled device described in the utility model is IGBT, and IGBT gate pole is connected with the DC side of uncontrollable rectifier bridge,
Emitter stage is connected with power diode, and colelctor electrode is connected with the first main capacitance.
Uncontrollable rectifier bridge described in the utility model is made up of six diodes.
Half control rectifier bridge described in the utility model by six thyristor groups into.
The working frequency of high frequency transformer described in the utility model is identical with the working frequency of wholly-controled device.
The utility model compared with prior art, has advantages below and effect：Range of operation is wide, and straight in the absence of bridge arm
Logical phenomenon, reliability is high, efficiency high.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment.
In figure：Reactor 1, high frequency transformer 2, uncontrollable rectifier bridge 3, half control rectifier bridge 4, wholly-controled device 5, the pole of power two
Pipe 6, the first main capacitance 7, the second main capacitance 8.
Embodiment
Below in conjunction with the accompanying drawings and the utility model is described in further detail by embodiment, and following examples are pair
It is of the present utility model explanation and the utility model is not limited to following examples.
Embodiment：
The present embodiment includes reactor 1, high frequency transformer 2, uncontrollable rectifier bridge 3, half control rectifier bridge 4, wholly-controled device
5th, power diode 6, the first main capacitance 7, the second main capacitance 8, input 9 and output end 10.
Input 9 is connected with reactor 1.
Reactor 1 is connected by the high-pressure side of high frequency transformer 2 with the AC of uncontrollable rectifier bridge 3.
The AC of half control rectifier bridge 4 is connected to the low-pressure side of high frequency transformer 2, the DC side of half control rectifier bridge 4 and second
Main capacitance 8 connects.
Wholly-controled device 5 is connected with the DC side of uncontrollable rectifier bridge 3.
Power diode 6 is in parallel with wholly-controled device 5 after being connected with the first main capacitance 7.
First main capacitance 7 concatenates with the second main capacitance 8.
The DC side of uncontrollable rectifier bridge 3 and the DC side of half control rectifier bridge 4 are connected with output end 10.
Uncontrollable rectifier bridge 3 is made up of six diodes.
Half control rectifier bridge 4 by six thyristor groups into.
In the present embodiment, wholly-controled device 5 is IGBT, and IGBT gate pole is connected with the DC side of uncontrollable rectifier bridge 3, transmitting
Pole is connected with power diode 6, and colelctor electrode is connected with the first main capacitance 7.
The working frequency of high frequency transformer 2 is identical with the working frequency of wholly-controled device 5.
Input 9 is connected with wind-driven generator, and output end 10 is connected with power network.
During normal operation, reactor 1, high frequency transformer 2, uncontrollable rectifier bridge 3, wholly-controled device 5, power diode 6,
One main capacitance 7 collectively forms main boost circuits；Half control rectifier bridge 4, high frequency transformer 2, the second main capacitance 8 form auxiliary boost
Circuit.When wholly-controled device 5 is in the conduction state, not only reactor 1 stores energy, and the primary side of high frequency transformer 2 will also be drawn
Energy, within 1 work period, energy is delivered in the second main capacitance 8 by half control rectifier bridge 4, the second main capacitance 8 and first
Main capacitance 7 is connected, to improve voltage gain, so as to realize the transmission of faint wind energy energy.Due to depositing for the impedance of high frequency transformer 2
Be not in bridge arm direct pass phenomenon in, half control rectifier bridge 4 and uncontrollable rectifier bridge 3.
Furthermore, it is necessary to illustrate, the specific embodiment described in this specification, the shape of its parts and components, it is named
Title etc. can be different, and the above content described in this specification is only to the utility model structure example explanation.
The equivalence changes or simple change that all construction, feature and the principle described according to the utility model patent design are done, are wrapped
Include in the protection domain of the utility model patent.The utility model person of ordinary skill in the field can be to described
Specific embodiment is made various modifications or supplement or substituted using similar mode, without departing from knot of the present utility model
Structure surmounts scope defined in the claims, all should belong to the scope of protection of the utility model.
Claims (6)
- A kind of 1. high-frequency rectification converter, it is characterised in that：Including reactor, high frequency transformer, uncontrollable rectifier bridge, half control rectification Bridge, wholly-controled device, power diode, the first main capacitance, the second main capacitance, input and output end；Input and reactor Connection；Reactor is connected by the high-pressure side of high frequency transformer with the AC of uncontrollable rectifier bridge；The AC of half control rectifier bridge It is connected with the low-pressure side of high frequency transformer, the DC side of half control rectifier bridge is connected with the second main capacitance；Wholly-controled device is not with controlling The DC side connection of rectifier bridge；Power diode is in parallel with wholly-controled device after being connected with the first main capacitance；First main capacitance with Second main capacitance concatenates；The DC side of uncontrollable rectifier bridge and the DC side of half control rectifier bridge are connected with output end.
- 2. high-frequency rectification converter according to claim 1, it is characterised in that：Described wholly-controled device be IGBT or GTO or IGCT.
- 3. high-frequency rectification converter according to claim 2, it is characterised in that：Described wholly-controled device is IGBT, IGBT gate pole is connected with the DC side of uncontrollable rectifier bridge, and emitter stage is connected with power diode, colelctor electrode and the first main capacitance Connection.
- 4. high-frequency rectification converter according to claim 1, it is characterised in that：Described uncontrollable rectifier bridge is by six two poles Pipe forms.
- 5. high-frequency rectification converter according to claim 1, it is characterised in that：Described half control rectifier bridge is by six brilliant locks Pipe forms.
- 6. high-frequency rectification converter according to claim 1, it is characterised in that：The working frequency of described high frequency transformer It is identical with the working frequency of wholly-controled device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720773521.XU CN206962731U (en) | 2017-06-29 | 2017-06-29 | A kind of high-frequency rectification converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720773521.XU CN206962731U (en) | 2017-06-29 | 2017-06-29 | A kind of high-frequency rectification converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206962731U true CN206962731U (en) | 2018-02-02 |
Family
ID=61385552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720773521.XU Active CN206962731U (en) | 2017-06-29 | 2017-06-29 | A kind of high-frequency rectification converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206962731U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110212790A (en) * | 2019-06-11 | 2019-09-06 | 湖南科瑞变流电气股份有限公司 | A kind of mixing high power rectification system using diode unit and thyristor unit |
-
2017
- 2017-06-29 CN CN201720773521.XU patent/CN206962731U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110212790A (en) * | 2019-06-11 | 2019-09-06 | 湖南科瑞变流电气股份有限公司 | A kind of mixing high power rectification system using diode unit and thyristor unit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104009666B (en) | Method and apparatus for producing three-phase current | |
| CN106451532A (en) | Multi-phase direct-drive permanent-magnet wind power generation variable current integrated system and control method thereof | |
| CN105162350A (en) | High-efficiency wide-load-range three-phase micro-inverter and control method thereof | |
| CN109407035A (en) | A kind of high current generating system based on MOSFET pipe | |
| CN106026728A (en) | Photovoltaic micro inverter | |
| CN105958855B (en) | A kind of quasi- Z-source inverter of high-gain | |
| CN206962731U (en) | A kind of high-frequency rectification converter | |
| CN109347335A (en) | A kind of multi-level inverter bridge arm topology suitable for current source control | |
| CN104967304B (en) | One kind is based on no bridge CUK isolated form Three Phase Power Factor Correction Converters | |
| CN106849710A (en) | A kind of voltage-type four bridge legs high frequency chain matrix rectifier and compensation method | |
| CN204559415U (en) | High-frequency and high-voltage power supply subpackage rectifying device | |
| CN104734550B (en) | A kind of multi input half-bridge combining inverter | |
| CN203708111U (en) | Parallel connection integrated-type Buck-Flyback power factor correction device | |
| CN207053406U (en) | A kind of electric power electric transformer of tandem mesohigh power network | |
| CN110148942A (en) | A kind of transformer magnetic compensation device and method adapting to rectification load | |
| CN106253333B (en) | The method for improving full-power wind power converter power device reliability under gentle breeze | |
| CN205911966U (en) | Inductor type Z source dc -to -ac converter of taking a percentage | |
| CN106208134B (en) | Grid-connected topology and Poewr control method based on three-phase CLC immittance converter | |
| CN205212694U (en) | Two boost of common mode rejection do not have bridge PFC converter | |
| CN204928612U (en) | Photovoltaic power generation device with auxiliary resonant circuit | |
| CN204696955U (en) | A kind of photovoltaic DC-to-AC converter adopting transformer auxiliary resonance | |
| CN204190641U (en) | Based on the high-power PWM rectifier circuit topological structure of LCL filtering | |
| CN203399048U (en) | An optical electrical complementation AC frequency-variable generating and speed-regulating energy-saving device | |
| CN209345029U (en) | Five level inverse conversion topological circuits of one kind and five-electrical level inverter | |
| CN209435106U (en) | A kind of three-phase step-down type PFC rectification circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |