CN102005962A - Buck-boost grid-connected inverter and control method thereof - Google Patents
Buck-boost grid-connected inverter and control method thereof Download PDFInfo
- Publication number
- CN102005962A CN102005962A CN 201010533495 CN201010533495A CN102005962A CN 102005962 A CN102005962 A CN 102005962A CN 201010533495 CN201010533495 CN 201010533495 CN 201010533495 A CN201010533495 A CN 201010533495A CN 102005962 A CN102005962 A CN 102005962A
- Authority
- CN
- China
- Prior art keywords
- power switch
- switch pipe
- switching logic
- logic signal
- filter inductance
- 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.)
- Granted
Links
Images
Landscapes
- Inverter Devices (AREA)
Abstract
The invention discloses a buck-boost grid-connected inverter and a control method thereof, belonging to an inverter and a control method thereof. The inverter comprises a power supply, a common circuit, a first bridge arm circuit, a second bridge arm circuit, a first filter inductor and a second filter inductor. The method comprises the following steps: when the setting of an inductive current is less than zero, a first power switching pipe driving signal and a fifth power switching pipe driving signal complement a high-frequency switch, and a second power switching pipe driving signal and a sixth power switching pipe driving signal are switched off; when the setting of an inductive current is more than zero, the second power switching pipe driving signal and the sixth power switching pipe driving signal complement the high-frequency switch, and the first power switching pipe driving signal and the fifth power switching pipe driving signal are switched off; and a third power switching pipe driving signal is the or logic of the second power switching pipe driving signal and the fifth power switching pipe driving signal, and a fourth power switching pipe driving signal is the or logic of the first power switching pipe driving signal and the sixth power switching pipe driving signal.
Description
Technical field
Buck combining inverter of the present invention and control method thereof belong to inverter and control method thereof.
Background technology
In recent years, along with increasingly sharpening and fossil energy constantly in short supply of environmental pollution, regenerative resource more and more is subjected to people's attention owing to have clean and safe, advantage such as pollution-free, renewable.But solar cell and fuel cell etc. are output as direct current, and line voltage is an alternating current, and therefore, combining inverter becomes the important component part in the distributed generation system.Again because the output voltage range of solar cell and fuel cell etc. is wide, sometimes be lower than line voltage, sometimes be higher than line voltage, therefore, adopt traditional single-stage buck type inverter to realize, need add a preceding stage DC-DC converter more usually, thereby improved the complexity of system, reduce reliability, increased the cost of system.
Summary of the invention
The objective of the invention is to defective, propose a kind of single-stage buck combining inverter and control method thereof at the conventional buck combining inverter.
Buck combining inverter of the present invention, form by power supply, omnibus circuit, first bridge arm circuit, second bridge arm circuit, first filter inductance and second filter inductance, wherein omnibus circuit comprises the 3rd, the 4th power switch pipe, three, the 4th diode, damping resistance, filter capacitor, net side filter inductance and line voltage; First bridge arm circuit comprises the first, the 5th power switch pipe, first diode; Second bridge arm circuit comprises the second, the 6th power switch pipe, second diode; The positive pole of power supply is connected with the source electrode of first power switch pipe, the drain electrode of the 3rd power switch pipe, the drain electrode of the 4th power switch pipe and the source electrode of second power switch pipe respectively; The source electrode of the 3rd power switch pipe is connected with the anode of the 3rd diode, the negative electrode of the 3rd diode connects and composes the intermediate ends of omnibus circuit respectively with the input of end of damping resistance and net side filter inductance, the other end of damping resistance is connected with the anode of filter capacitor, the output of net side filter inductance is connected with the positive pole of line voltage, the negative pole of line voltage is connected ground connection with the negative terminal of filter capacitor with the negative electrode of the 4th diode, and the anode of the 4th diode is connected with the source electrode of the 4th power switch pipe; The drain electrode of first power switch pipe is connected with the negative electrode of first diode, and the drain electrode of the anode of first diode and the 5th power switch pipe connects and composes the intermediate ends of first bridge arm circuit, and the source electrode of the 5th power switch pipe is connected with the negative pole of power supply; The drain electrode of second power switch pipe is connected with the negative electrode of second diode, and the drain electrode of the anode of second diode and the 6th power switch pipe connects and composes the intermediate ends of second bridge arm circuit, and the source electrode of the 6th power switch pipe is connected with the negative pole of power supply; The input of first filter inductance is connected with the intermediate ends of first bridge arm circuit, and the output of first filter inductance is connected with the intermediate ends of omnibus circuit; The input end grounding of second filter inductance, the output of second filter inductance is connected with the intermediate ends of second bridge arm circuit.
The control method of buck combining inverter is as follows: adopt the sample electric current of first filter inductance of current sensor to export the first filter inductance current feedback signal; Adopt the sample electric current of second filter inductance of current sensor to export the second filter inductance current feedback signal; The employing voltage sensor is sampled, and described line voltage is exported through phase-locked loop (PLL) and line voltage is given with the network access electric current of frequency, homophase; Adopt current sensor sampling network access electric current output network access current feedback signal; Described network access electric current is given given by network access current regulator outputting inductance electric current with the network access current feedback signal; With described inductive current given with the first filter inductance current feedback signal export the first switching logic signal by the first hysteresis current comparator; Described inductive current is given by zero-crossing comparator output second switch logical signal; With the described first switching logic signal, second switch logical signal by first with the switching logic signal of door output first power switch pipe, the switching logic signal of described first power switch pipe drives first power switch pipe by first drive circuit; With the described first switching logic signal by behind second inverter with the second switch logical signal by second with the switching logic signal of door output the 5th power switch pipe, the switching logic signal of described the 5th power switch pipe drives the 5th power switch pipe by the 5th drive circuit; With described inductive current given with the second filter inductance current feedback signal export the 3rd switching logic signal by the second hysteresis current comparator; With described second switch logical signal, the 3rd switching logic signal by the 3rd with the switching logic signal of door output the 6th power switch pipe, the switching logic signal of described the 6th power switch pipe drives the 6th power switch pipe by the 6th drive circuit; With described the 3rd switching logic signal by behind the 3rd inverter with the second switch logical signal by the 4th with the switching logic signal of door output second power switch pipe, the switching logic signal of described second power switch pipe drives second power switch pipe by second drive circuit; With the switching logic signal of the switching logic signal of described second power switch pipe and the 5th power switch pipe by first or drive the 3rd power switch pipe by the 3rd drive circuit behind the door; With the switching logic signal of the switching logic signal of described first power switch pipe and the 6th power switch pipe by second or behind the door by moving drives the 4th power switch pipe of 4 wheel driven.
Buck combining inverter of the present invention and control method thereof do not have the straight-through problem of the power tube of conventional bridge inverter brachium pontis, have improved the reliability of system greatly; Each switching tube does not need to establish Dead Time; Can realize the conversion of single-stage buck, not need the Two Stages of conventional buck combining inverter; Four power switch pipes are HF switch in half output cycle, has reduced switching loss, has improved conversion efficiency.
Description of drawings
Fig. 1: circuit topology figure of the present invention;
Fig. 2: control principle figure of the present invention;
Fig. 3: the main waveform schematic diagram of the present invention;
Fig. 4: the operating circuit schematic diagram during mode 1 of the present invention;
Fig. 5: the operating circuit schematic diagram during mode 2 of the present invention;
Fig. 6: the operating circuit schematic diagram during mode 3 of the present invention;
Fig. 7: the operating circuit schematic diagram during mode 4 of the present invention.
Main designation among the figure:
U In---supply voltage, S
1～S
6---power switch pipe, D
1～D
4---diode,
L 1,
L 2---filter inductance,
L g ---net side filter inductance,
C f ---filter capacitor,
R d ---Damping resistance,
u Grid ---line voltage,
i g ---the network access electric current,
i L1
,
i L2
---inductance
L 1With
L 2Electric current.
Embodiment
As illustrated in fig. 1 and 2.A kind of buck combining inverter and control method thereof, described buck combining inverter is by power supply
U In, omnibus circuit 1, first bridge arm circuit 2, second bridge arm circuit 3, first filter inductance
L 1With second filter inductance
L 2Form, wherein power supply
U In Positive pole respectively with first power switch tube S
1Source electrode, the 3rd power switch tube S
3Drain electrode, the 4th power switch tube S
4The drain electrode and second power switch tube S
2Source electrode connect; Omnibus circuit 1 is by the 3rd power switch tube S
3Source electrode and the 3rd diode D
3Anode connect the 3rd diode D
3Negative electrode respectively with damping resistance
R dAn end and net side filter inductance
L g Input connect and compose the intermediate ends B of omnibus circuit 1, damping resistance
R dThe other end and filter capacitor
C f Anode connect net side filter inductance
L g Output and line voltage
u Grid Positive pole connect line voltage
u Grid Negative pole and filter capacitor
C f Negative terminal and the 4th diode D
4Negative electrode connect ground connection, the 4th diode D
4Anode and the 4th power switch tube S
4Source electrode connect; First bridge arm circuit 2 is by first power switch tube S
1The drain electrode and the first diode D
1Negative electrode connect the first diode D
1Anode and the 5th power switch tube S
5Drain electrode connect and compose the intermediate ends A of first bridge arm circuit 2, the 5th power switch tube S
5Source electrode and power supply
U In Negative pole connect; Second bridge arm circuit 3 is by second power switch tube S
2The drain electrode and the second diode D
2Negative electrode connect the second diode D
2Anode and the 6th power switch tube S
6Drain electrode connect and compose the intermediate ends C of second bridge arm circuit 3, the 6th power switch tube S
6Source electrode and power supply
U In Negative pole connect; First filter inductance
L 1Input be connected first filter inductance with the intermediate ends A of first bridge arm circuit 2
L 1Output be connected with the intermediate ends B of omnibus circuit 1; Second filter inductance
L 2Input end grounding, second filter inductance
L 2Output be connected with the intermediate ends C of second bridge arm circuit 3;
Control method is as follows: adopt current sensor first filter inductance of sampling
L 1Electric current
i L1
Export first filter inductance
L 1Current feedback signal
i Lf1
Adopt current sensor second filter inductance of sampling
L 2Electric current
i L2
Export second filter inductance
L 2Current feedback signal
i Lf2
Adopt the voltage sensor described line voltage of sampling
u Grid Through phase-locked loop pll output and line voltage
u Grid Network access electric current with frequency, homophase is given
i Ref Adopt current sensor sampling network access electric current
i g Output network access current feedback signal
i Gf Described network access electric current is given
i Ref With the network access current feedback signal
i Gf Given by network access current regulator outputting inductance electric current
i Lref Described inductive current is given
i Lref With first filter inductance
L 1Current feedback signal
i Lf1
Export the first switching logic signal by the first hysteresis current comparator; Described inductive current is given
i Lref By zero-crossing comparator output second switch logical signal; The described first switching logic signal, second switch logical signal are exported first power switch tube S by first with door
1The switching logic signal, described first power switch tube S
1The switching logic signal drive first power switch tube S by first drive circuit
1The described first switching logic signal is passed through to export five power switch tube S by second with door with the second switch logical signal behind second inverter
5The switching logic signal, described the 5th power switch tube S
5The switching logic signal drive the 5th power switch tube S by the 5th drive circuit
5Described inductive current is given
i Lref With second filter inductance
L 2Current feedback signal
i Lf2
Export the 3rd switching logic signal by the second hysteresis current comparator; Described second switch logical signal, the 3rd switching logic signal are exported the 6th power switch tube S by the 3rd with door
6The switching logic signal, described the 6th power switch tube S
6The switching logic signal drive the 6th power switch tube S by the 6th drive circuit
6Described the 3rd switching logic signal is passed through to export second power switch tube S by the 4th with door with the second switch logical signal behind the 3rd inverter
2The switching logic signal, described second power switch tube S
2The switching logic signal drive second power switch tube S by second drive circuit
2With described second power switch tube S
2Switching logic signal and the 5th power switch tube S
5The switching logic signal by first or drive the 3rd power switch tube S by the 3rd drive circuit behind the door
3With described first power switch tube S
1Switching logic signal and the 6th power switch tube S
6The switching logic signal by second or behind the door by moving drives the 4th power switch tube S of 4 wheel driven
4
Fig. 3 is the main waveform schematic diagram of buck combining inverter of the present invention.
The electric current and voltage reference direction as shown in Figure 1.As shown in Figure 3, by control network access electric current given with line voltage with frequently, homophase, thereby guaranteed that network access electric current and line voltage with the frequency homophase, realized unity power factor output.In addition, also as can be seen, 4 power switch pipes are half power frequency period HF switch, thereby have reduced switching loss from figure.
In conjunction with Fig. 4～7 narrations concrete operation principle of the present invention, below the working condition of each switch mode is made a concrete analysis of.
Before analyzing, make the following assumptions: 1. all switching tubes and diode are desirable device, do not consider switching time, conduction voltage drop; 2. all inductance, electric capacity are ideal element.
As shown in Figure 4, switch mode 1
The 4th power switch tube S
4, the 6th power switch tube S
6Conducting is by supply voltage
U In Anode is by the 4th power switch tube S
4, the 4th diode D
4, second filter inductance
L 2, the 6th power switch tube S
6Get back to supply voltage
U In Negative terminal, the second filter inductance electric current
i L2
Rise.
As shown in Figure 5, switch mode 2
Second power switch tube S
2, the 3rd power switch tube S
3Conducting is by the 3rd power switch tube S
3, the 3rd diode D
3, damping resistance
R dAnd filter capacitor
C f Series connection back and net side filter inductance
L g And line voltage
u Grid Parallel branch after the series connection, second filter inductance
L 2, the second diode D
2With second power switch tube S
2Constitute continuous current circuit, the second filter inductance electric current
i L2
Descend.
As shown in Figure 6, switch mode 3
The 3rd power switch tube S
3, the 5th power switch tube S
5Conducting is by supply voltage
U In Anode is by the 3rd power switch tube S
3, the 3rd diode D
3, first filter inductance
L 1, the 5th power switch tube S
5Get back to supply voltage
U In Negative terminal, the first filter inductance electric current negative sense
i L1
Increase.
As shown in Figure 7, switch mode 4
First power switch tube S
1, the 4th power switch tube S
4Conducting is by the 4th power switch tube S
4, the 4th diode D
4, damping resistance
R dAnd filter capacitor
C f Series connection back and net side filter inductance
L g And line voltage
u Grid Parallel branch after the series connection, first filter inductance
L 1, the first diode D
1With first power switch tube S
1Constitute continuous current circuit, the first filter inductance electric current
i L1
Negative sense reduces.
Claims (2)
1. buck combining inverter, it is characterized in that by power supply (
U In), omnibus circuit (1), first bridge arm circuit (2), second bridge arm circuit (3), first filter inductance (
L 1) and second filter inductance (
L 2) form, wherein omnibus circuit (1) comprises the 3rd, the 4th power switch pipe (S
3, S
4), the 3rd, the 4th diode (D
3, D
4), damping resistance (
R d), filter capacitor (
C f ), net side filter inductance (
L g ) and line voltage (
u Grid ); First bridge arm circuit (2) comprises the first, the 5th power switch pipe (S
1, S
5), the first diode (D
1); Second bridge arm circuit (3) comprises the second, the 6th power switch pipe (S
2, S
6), the second diode (D
2); Power supply (
U In ) positive pole respectively with the first power switch pipe (S
1) source electrode, the 3rd power switch pipe (S
3) drain electrode, the 4th power switch pipe (S
4) the drain electrode and the second power switch pipe (S
2) source electrode connect; The 3rd power switch pipe (S
3) source electrode and the 3rd diode (D
3) anode connect the 3rd diode (D
3) negative electrode respectively with damping resistance (
R d) an end and net side filter inductance (
L g ) input connect and compose the intermediate ends (B) of omnibus circuit (1), damping resistance (
R d) the other end and filter capacitor (
C f ) anode connect, net side filter inductance (
L g ) output and line voltage (
u Grid ) positive pole connect, line voltage (
u Grid ) negative pole and filter capacitor (
C f ) negative terminal and the 4th diode (D
4) negative electrode connect ground connection, the 4th diode (D
4) anode and the 4th power switch pipe (S
4) source electrode connect; First power switch pipe (the S
1) the drain electrode and the first diode (D
1) negative electrode connect the first diode (D
1) anode and the 5th power switch pipe (S
5) drain electrode connect and compose the intermediate ends (A) of first bridge arm circuit (2), the 5th power switch pipe (S
5) source electrode and power supply (
U In ) negative pole connect; Second power switch pipe (the S
2) the drain electrode and the second diode (D
2) negative electrode connect the second diode (D
2) anode and the 6th power switch pipe (S
6) drain electrode connect and compose the intermediate ends (C) of second bridge arm circuit (3), the 6th power switch pipe (S
6) source electrode and power supply (
U In ) negative pole connect; First filter inductance (
L 1) input be connected with the intermediate ends (A) of first bridge arm circuit (2), first filter inductance (
L 1) output be connected with the intermediate ends (B) of omnibus circuit (1); Second filter inductance (
L 2) input end grounding, second filter inductance (
L 2) output be connected with the intermediate ends (C) of second bridge arm circuit (3).
2. the control method based on the described buck combining inverter of claim 1 is characterized in that, adopt current sensor sample first filter inductance (
L 1) electric current (
i L1
) output first filter inductance (
L 1) current feedback signal (
i Lf1
); Adopt current sensor sample second filter inductance (
L 2) electric current (
i L2
) output second filter inductance (
L 2) current feedback signal (
i Lf2
); Adopt voltage sensor sample described line voltage (
u Grid ) through phase-locked loop (PLL) output with line voltage (
u Grid ) with frequently, the network access electric current of homophase given (
i Ref ); Employing current sensor sampling network access electric current (
i g ) output network access current feedback signal (
i Gf ); With described network access electric current given (
i Ref ) and the network access current feedback signal (
i Gf ) by network access current regulator outputting inductance electric current given (
i Lref ); With described inductive current given (
i Lref ) and first filter inductance (
L 1) current feedback signal (
i Lf1
) export the first switching logic signal by the first hysteresis current comparator; With described inductive current given (
i Lref ) by zero-crossing comparator output second switch logical signal; The described first switching logic signal, second switch logical signal are exported the first power switch pipe (S by first with door
1) the switching logic signal, the described first power switch pipe (S
1) the switching logic signal drive the first power switch pipe (S by first drive circuit
1); The described first switching logic signal is passed through to export five a power switch pipe (S by second with door with the second switch logical signal behind second inverter
5) the switching logic signal, described the 5th power switch pipe (S
5) the switching logic signal drive the 5th power switch pipe (S by the 5th drive circuit
5); With described inductive current given (
i Lref ) and second filter inductance (
L 2) current feedback signal (
i Lf2
) export the 3rd switching logic signal by the second hysteresis current comparator; Described second switch logical signal, the 3rd switching logic signal are exported the 6th power switch pipe (S by the 3rd with door
6) the switching logic signal, described the 6th power switch pipe (S
6) the switching logic signal drive the 6th power switch pipe (S by the 6th drive circuit
6); Described the 3rd switching logic signal is passed through to export second a power switch pipe (S by the 4th with door with the second switch logical signal behind the 3rd inverter
2) the switching logic signal, the described second power switch pipe (S
2) the switching logic signal drive the second power switch pipe (S by second drive circuit
2); With the described second power switch pipe (S
2) switching logic signal and the 5th power switch pipe (S
5) the switching logic signal by first or drive the 3rd power switch pipe (S by the 3rd drive circuit behind the door
3); With the described first power switch pipe (S
1) switching logic signal and the 6th power switch pipe (S
6) the switching logic signal by second or behind the door by moving drives the 4th power switch pipe (S of 4 wheel driven
4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010533495 CN102005962B (en) | 2010-11-05 | 2010-11-05 | Buck-boost grid-connected inverter and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010533495 CN102005962B (en) | 2010-11-05 | 2010-11-05 | Buck-boost grid-connected inverter and control method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102005962A true CN102005962A (en) | 2011-04-06 |
| CN102005962B CN102005962B (en) | 2013-03-13 |
Family
ID=43813091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010533495 Expired - Fee Related CN102005962B (en) | 2010-11-05 | 2010-11-05 | Buck-boost grid-connected inverter and control method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102005962B (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102522911A (en) * | 2011-11-25 | 2012-06-27 | 华为技术有限公司 | Inverting device and solar PV (Photovoltaic) grid-connected system applying same |
| CN102570872A (en) * | 2012-02-23 | 2012-07-11 | 石家庄通合电子有限公司 | Single-phase grid-connection inverter circuit |
| CN103001518A (en) * | 2012-11-21 | 2013-03-27 | 华为技术有限公司 | Inversion device and method and inversion grid-connected power generation system |
| CN103219912A (en) * | 2013-04-28 | 2013-07-24 | 盐城工学院 | Control method suitable for universal input voltage buck-boost grid-connected inverter |
| CN103441667A (en) * | 2013-09-18 | 2013-12-11 | 湘潭大学 | Direct current control device applied to multilevel energy storage system |
| CN105471263A (en) * | 2015-12-23 | 2016-04-06 | 成都芯源系统有限公司 | Buck-boost converter and controller and control method thereof |
| CN106374770A (en) * | 2016-10-28 | 2017-02-01 | 燕山大学 | Input and output common-ground boost-buck photovoltaic grid-connected inverter and control method thereof |
| CN106487267A (en) * | 2016-12-26 | 2017-03-08 | 三峡大学 | A kind of single-phase grid-connected inverter topological structure and its control method |
| CN106787900A (en) * | 2017-03-27 | 2017-05-31 | 盐城工学院 | Boosting combining inverter and its control method |
| CN106849731A (en) * | 2017-04-13 | 2017-06-13 | 盐城工学院 | A kind of control method of buck-boost grid-connected inverter |
| CN106877722A (en) * | 2017-04-13 | 2017-06-20 | 盐城工学院 | A kind of highly reliable buck-boost grid-connected inverter |
| CN108718159A (en) * | 2018-06-06 | 2018-10-30 | 西南石油大学 | One kind six switchs the double Buck gird-connected inverters of non-isolation type |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1571255A (en) * | 2004-04-30 | 2005-01-26 | 艾默生网络能源有限公司 | Synchronous rectification reverse-flow preventing circuit and method for parallel synchronous rectification converter |
| US20060109695A1 (en) * | 2004-11-19 | 2006-05-25 | Yuancheng Ren | Power converters having capacitor resonant with transformer leakage inductance |
-
2010
- 2010-11-05 CN CN 201010533495 patent/CN102005962B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1571255A (en) * | 2004-04-30 | 2005-01-26 | 艾默生网络能源有限公司 | Synchronous rectification reverse-flow preventing circuit and method for parallel synchronous rectification converter |
| US20060109695A1 (en) * | 2004-11-19 | 2006-05-25 | Yuancheng Ren | Power converters having capacitor resonant with transformer leakage inductance |
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102522911B (en) * | 2011-11-25 | 2014-04-30 | 华为技术有限公司 | Inverting device and solar PV (Photovoltaic) grid-connected system applying same |
| WO2012167691A1 (en) * | 2011-11-25 | 2012-12-13 | 华为技术有限公司 | Inverter device and solar grid-connected photovoltaic system using same |
| CN102522911A (en) * | 2011-11-25 | 2012-06-27 | 华为技术有限公司 | Inverting device and solar PV (Photovoltaic) grid-connected system applying same |
| CN102570872A (en) * | 2012-02-23 | 2012-07-11 | 石家庄通合电子有限公司 | Single-phase grid-connection inverter circuit |
| CN103001518A (en) * | 2012-11-21 | 2013-03-27 | 华为技术有限公司 | Inversion device and method and inversion grid-connected power generation system |
| CN103001518B (en) * | 2012-11-21 | 2015-04-22 | 华为技术有限公司 | Inversion device and method and inversion grid-connected power generation system |
| CN103219912A (en) * | 2013-04-28 | 2013-07-24 | 盐城工学院 | Control method suitable for universal input voltage buck-boost grid-connected inverter |
| CN103219912B (en) * | 2013-04-28 | 2014-11-19 | 盐城工学院 | Control method suitable for universal input voltage buck-boost grid-connected inverter |
| CN103441667A (en) * | 2013-09-18 | 2013-12-11 | 湘潭大学 | Direct current control device applied to multilevel energy storage system |
| CN103441667B (en) * | 2013-09-18 | 2016-08-17 | 湘潭大学 | A kind of direct-flow controlling device being applied to multistage energy-storage system |
| CN105471263A (en) * | 2015-12-23 | 2016-04-06 | 成都芯源系统有限公司 | Buck-boost converter and controller and control method thereof |
| CN105471263B (en) * | 2015-12-23 | 2018-05-29 | 成都芯源系统有限公司 | Buck-boost converter and controller and control method thereof |
| CN106374770A (en) * | 2016-10-28 | 2017-02-01 | 燕山大学 | Input and output common-ground boost-buck photovoltaic grid-connected inverter and control method thereof |
| CN106487267A (en) * | 2016-12-26 | 2017-03-08 | 三峡大学 | A kind of single-phase grid-connected inverter topological structure and its control method |
| CN106787900A (en) * | 2017-03-27 | 2017-05-31 | 盐城工学院 | Boosting combining inverter and its control method |
| CN106787900B (en) * | 2017-03-27 | 2019-01-18 | 盐城工学院 | Boosting gird-connected inverter and its control method |
| CN106849731A (en) * | 2017-04-13 | 2017-06-13 | 盐城工学院 | A kind of control method of buck-boost grid-connected inverter |
| CN106877722A (en) * | 2017-04-13 | 2017-06-20 | 盐城工学院 | A kind of highly reliable buck-boost grid-connected inverter |
| CN108718159A (en) * | 2018-06-06 | 2018-10-30 | 西南石油大学 | One kind six switchs the double Buck gird-connected inverters of non-isolation type |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102005962B (en) | 2013-03-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102005962B (en) | Buck-boost grid-connected inverter and control method thereof | |
| CN101895223B (en) | Double-Cuk buck-boost output parallel-type converter | |
| CN105281361B (en) | A kind of five-level double step-down combining inverter | |
| CN104638971B (en) | A kind of photovoltaic combining inverter and its control method | |
| CN103219912B (en) | Control method suitable for universal input voltage buck-boost grid-connected inverter | |
| CN208571927U (en) | Three level Boost circuits of one kind and inversion system | |
| CN102969898B (en) | Low-voltage wide-input three-level full-bridge converter and control method thereof | |
| CN101951185A (en) | Method for controlling dual buck grid-connected inverter | |
| CN105186912A (en) | Two-stage non-isolated full-bridge grid-connected inverter | |
| CN103312153B (en) | A kind of parallel multi input coupling inductance buck-boost converter | |
| CN205377786U (en) | Two pressure reducing type photovoltaic power generation system | |
| CN204928737U (en) | Photovoltaic power generation device based on two buck dc -to -ac converters | |
| CN203675000U (en) | Photovoltaic grid-connection micro inverter | |
| CN102185491B (en) | Serial and parallel connection electrical bridge type impedance network power converter | |
| CN109672332A (en) | A kind of zero ripple DC-DC converter of single tube high-gain | |
| CN204947919U (en) | A kind of parallel resonance no-voltage photovoltaic power generation apparatus | |
| CN204948016U (en) | A kind of photovoltaic power generation apparatus adopting zero voltage switch auxiliary resonance | |
| CN105449735B (en) | Echelon battery pack maintenance device | |
| CN106787900A (en) | Boosting combining inverter and its control method | |
| CN106787728A (en) | A kind of quasi- boost switching DC DC converters of switching capacity type | |
| CN106787692A (en) | A kind of quasi- Z source converters of type switching capacity altogether | |
| CN203691279U (en) | Topologically structured circuit of mini photovoltaic inverter | |
| CN106849177B (en) | A kind of buck-boost grid-connected inverter | |
| CN103312154B (en) | A kind of tandem multi input coupling inductance buck-boost converter | |
| CN102891618A (en) | Single-stage type direct current-alternating current inverter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Huang Yourun Inventor before: Yao Zhilei Inventor before: Hu Guowen Inventor before: Chen Rong Inventor before: Gu Chunlei Inventor before: Xue Yingcheng Inventor before: Wang Jiangang Inventor before: Shen Cuifeng |
|
| CB03 | Change of inventor or designer information | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180117 Address after: 362300 Fujian city of Quanzhou province Nanan City Luo Dong Zhen Gao Tang Cun Ling Dou No. 142 Patentee after: Huang Yourun Address before: 224051 Jiangsu province Yancheng City Yingbin Road No. 9 Patentee before: Yangcheng Institute of Technology |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20181105 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |