CN100490289C - Non-isolation type AC-AC tri-level converter - Google Patents
Non-isolation type AC-AC tri-level converter Download PDFInfo
- Publication number
- CN100490289C CN100490289C CNB2007100198169A CN200710019816A CN100490289C CN 100490289 C CN100490289 C CN 100490289C CN B2007100198169 A CNB2007100198169 A CN B2007100198169A CN 200710019816 A CN200710019816 A CN 200710019816A CN 100490289 C CN100490289 C CN 100490289C
- Authority
- CN
- China
- Prior art keywords
- power switch
- quadrant power
- output
- input filter
- quadrant
- 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.)
- Expired - Fee Related
Links
Images
Abstract
The present invention discloses a non-isolated AC-AC three-level AC-AC converter which has a structure comprising an input filter, a multilevel converter and an output filter connected in turn. Wherein the multilevel converter is composed of a basic constitution unit of two capacitors clamping, an energy-storage inductor and an energy-storage capicitor which are constitued for converting the input voltage to three output levels; the basic constitution unit is composed of a four quadrants power switch and a clamping capicitor. By different combinations with the input filter, basic constitution unit and output filter, a circuit topology family for non-isolated AC-AC three-level AC-AC converter including Boost type, Buck-Boost type, Cuk type, Sepic type and Zeta type. The invention with improved converting effiency, power density, reduced volume and weight as well as input side power factor is fit for high voltage AC-AC electric power converting, due to the reduced volume and weight of the output filter and improved output waveform quality, the application fields of three-level AC-AC converter can be widened.
Description
Technical field
The invention belongs to the Technics of Power Electronic Conversion technology, particularly a kind of non-isolated type AC-AC tri-level converter.
Background technology
The AC-AC converter technique is the applied power semiconductor device, convert the AC energy of a certain frequency and amplitude a kind of Semiconductor Converting Technology of the AC energy of same or another frequency and amplitude to, be widely used in national defence, industrial and mining enterprises, scientific research institutions, laboratory in colleges and universities and the daily life.
Up to now, the power electronics researcher mainly concentrates on two level AC-AC converters such as non-electrical isolation formula, low frequency and high frequency electrical isolation formula for the research of AC-AC converter both at home and abroad; Research for multi-level converter, mainly concentrate on many level DC converters, multi-electrical level inverter and multi-level rectifier, research for many level AC-AC converter is then considerably less, and only is confined to non-isolated, low frequency or the isolated friendship of intermediate frequency-straight-many level of friendship type AC-AC converter and Buck type friendship-friendship type three level AC-AC converters.Hand over-shortcomings such as there is the topology complexity in straight-many level of friendship type AC-AC converter, Power Conversion progression is many, the input side power factor is low, conversion efficiency is on the low side, power density is low, control complexity.
The Shi Yong of Xi'an Communications University etc. has proposed Buck type friendship-friendship type three level AC-AC converter topologies (" Novel Three-Level PWM AC Chopper ", " electrotechnics journal ", 2003, Vol.18, No.6, pp.7～11.).This topology is by four-quadrant power switch S
1～S
4With formation such as equalizing capacitance C, can adopt more level number to reduce the quality of output filter, raising output waveform by pulse-width modulation (PWM) control.This converter has that topology is succinct, good, the conversion efficiency of terminal voltage spectral characteristic and power density height before the single-stage power conversion (LFAC-LFAC), bidirectional power flow, input side power factor height, output filter, control are simple, be applicable to advantage such as high-voltage large-capacity AC-AC conversion, but exists topological form single and can only realize defective such as decompression transformation.
Summary of the invention
Goal of the invention of the present invention is to provide a kind of and has that topology is succinct, good, conversion efficiency of terminal voltage spectral characteristic and the high non-isolated type AC-AC tri-level converter of power density before the single-stage power conversion, bidirectional power flow, input side power factor height, output filter.
The technical solution that realizes the object of the invention is: a kind of non-isolated friendship-friendship type three level AC-AC converters, forms unsettled high pressure, alternating current inferior be directly converted to by the input filter, multi-level converter and the output filter that connect successively and stablize or adjustable same frequency, high-quality sinusoidal ac, and reduce Power Conversion progression, realize the circuit structure of single-stage power conversion, promptly import high-voltage ac power u
iWith input filter inductance L
iAn end connect this input filter inductance L
iThe other end respectively with multi-level converter, input filter capacitor C
iBe connected this input filter capacitor C
iThe other end respectively with input high-voltage ac power u
i, multi-level converter is connected described input filter inductance L
iWith input filter capacitor C
iConstitute input filter, this input filter is to input high-voltage ac power u
iCarry out filtering; Described multi-level converter will be converted into many level output voltage through the filtered input voltage of input filter, be made up of two basic comprising unit, energy storage inductor L; In this multi-level converter, the end of energy storage inductor L is connected with input filter, the other end respectively with the first four-quadrant power switch S
1With the 3rd four-quadrant power switch S
3Be connected; This first four-quadrant power switch S
1The other end respectively with the second four-quadrant power switch S
2With the first clamping capacitance C
C1Connect; This second four-quadrant power switch S
2The other end be connected with input filter; This first clamping capacitance C
C1The other end and the second clamping capacitance C
C2Connect; The 3rd four-quadrant power switch S
3The other end respectively with the second clamping capacitance C
C2The other end and the 4th four-quadrant power switch S
4Connect the 4th four-quadrant power switch S
4The other end respectively with output filter capacitor C
fWith output AC load Z
LOne end connects, this output filter capacitor C
fHigh order harmonic component in the output voltage of filtering multi-level converter, thus high-quality sinusoidal voltage u obtained in the AC load side
o, this output filter capacitor C
f, output AC load Z
LThe other end be connected with multi-level converter again; The described first four-quadrant power switch S
1, the second four-quadrant power switch S
2With the first clamping capacitance C
C1Constitute the first basic comprising unit, the 3rd four-quadrant power switch S
3, the 4th four-quadrant power switch S
4With the second clamping capacitance C
C2Constitute the second basic comprising unit.
In the non-isolated friendship of the present invention-friendship type three level AC-AC converters, the input filter of Lian Jieing, multi-level converter and output filter are combined into the Boost type circuit topology that is applicable to the AC-AC conversion occasion of boosting successively, promptly import high-voltage ac power u
iWith input filter inductance L
iConnect this input filter inductance L
iThe other end respectively with energy storage inductor L and input filter capacitor C
iBe connected this input filter capacitor C
iThe other end respectively with input high-voltage ac power u
iWith the second four-quadrant power switch S
2Be connected; Described input filter inductance L
iWith input filter capacitor C
iConstitute input filter, this input filter is to the input high-voltage ac power u of input
iCarry out filtering; The other end of described energy storage inductor L respectively with the first four-quadrant power switch S
1With the 3rd four-quadrant power switch S
3Connect this first four-quadrant power switch S
1The other end respectively with the second four-quadrant power switch S
2The other end and all press clamping capacitance C
cBe connected the 3rd four-quadrant power switch S
3The other end respectively with all press clamping capacitance C
cThe other end and the 4th four-quadrant power switch S
4Connect the 4th four-quadrant power switch S
4The other end respectively with output filter capacitor C
fWith output AC load Z
LOne end is connected, this output filter capacitor C
fWith output AC load Z
LThe other end and the second four-quadrant power switch S
2Be connected this output filter capacitor C
fHigh order harmonic component in the output voltage of filtering multi-level converter, thus high-quality sinusoidal voltage u obtained in the AC load side
oThe described first four-quadrant power switch S
1, the second four-quadrant power switch S
2, the 3rd four-quadrant power switch S
3, the 4th four-quadrant power switch S
4, energy storage inductor L and all press clamping capacitance C
cConstitute multi-level converter, this first four-quadrant power switch S
1, the second four-quadrant power switch S
2With the first clamping capacitance C
C1Constitute the first basic comprising unit in this multi-level converter, the 3rd four-quadrant power switch S
3, the 4th four-quadrant power switch S
4With the second clamping capacitance C
C2Constitute the second basic comprising unit in this multi-level converter, the first clamping capacitance C
C1With the second clamping capacitance C
C2Merge into and all press clamping capacitance C
c
In the non-isolated friendship of the present invention-friendship type three level AC-AC converters, the input filter of Lian Jieing, multi-level converter and output filter are combined into the Buck-boost type circuit topology that is applicable to ascending, descending pressure AC-AC conversion occasion successively, promptly import high-voltage ac power u
iWith input filter inductance L
iConnect this input filter inductance L
iThe other end respectively with input filter capacitor C
i, the second four-quadrant power switch S
2Be connected this input filter capacitor C
iThe other end respectively with input high-voltage ac power u
iBe connected this input filter inductance L with energy storage inductor L one end
iWith input filter capacitor C
iConstitute input filter, this input filter is to input high-voltage ac power u
iCarry out filtering; The second four-quadrant power switch S
2The other end respectively with the first four-quadrant power switch S
1All press clamping capacitance C
cBe connected this first four-quadrant power switch S
1The other end respectively with the other end and the 3rd four-quadrant power switch S of energy storage inductor L
3Connect the 3rd four-quadrant power switch S
3The other end respectively with all press clamping capacitance C
cThe other end and the 4th four-quadrant power switch S
4Connect the 4th four-quadrant power switch S
4The other end respectively with output filter capacitor C
fWith output AC load Z
LBe connected this output filter capacitor C
fWith output AC load Z
LThe other end be connected this output filter capacitor C respectively with energy storage inductor L one end
fHigh order harmonic component in the output voltage of filtering multi-level converter, thus high-quality sinusoidal voltage u obtained in the AC load side
oThe described first four-quadrant power switch S
1, the second four-quadrant power switch S
2, the 3rd four-quadrant power switch S
3, the 4th four-quadrant power switch S
4, energy storage inductor L and all press clamping capacitance C
cConstitute multi-level converter, this first four-quadrant power switch S
1, the second four-quadrant power switch S
2With the first clamping capacitance C
C1Constitute the first basic comprising unit in the multi-level converter, the 3rd four-quadrant power switch S
3, the 4th four-quadrant power switch S
4With the second clamping capacitance C
C2Constitute the second basic comprising unit in the multi-level converter, this first clamping capacitance C
C1With the second clamping capacitance C
C2Merge into and all press clamping capacitance C
c
In the non-isolated friendship of the present invention-friendship type three level AC-AC converters, the input filter of Lian Jieing, multi-level converter and output filter are combined into the Cuk type circuit topology that is applicable to ascending, descending pressure AC-AC conversion occasion successively, promptly import high-voltage ac power u
iWith input filter inductance L
iConnect this input filter inductance L
iThe other end respectively with energy storage inductor L and input filter capacitor C
iBe connected this input filter capacitor C
iThe other end respectively with input high-voltage ac power u
iWith the second four-quadrant power switch S
2Be connected described input filter inductance L
iWith input filter capacitor C
iConstitute input filter, this input filter is to input high-voltage ac power u
iCarry out filtering; The other end of described energy storage inductor L respectively with the first four-quadrant power switch S
1C is connected with storage capacitor, this first four-quadrant power switch S
1The other end respectively with the second four-quadrant power switch S
2The other end and all press clamping capacitance C
cBe connected, this all presses clamping capacitance C
cThe other end respectively with the 3rd four-quadrant power switch S
3With the 4th four-quadrant power switch S
4Connect the 4th four-quadrant power switch S
4The other end respectively with the second four-quadrant power switch S
2, output filter capacitor C
fWith output AC load Z
LConnect the 3rd four-quadrant power switch S
3The other end respectively with the other end and the output inductor L of storage capacitor C
fConnect this output inductor L
fThe other end respectively with output filter capacitor C
fWith output AC load Z
LThe other end be connected this output filter capacitor C
fWith output AC load Z
LThe other end and the second four-quadrant power switch S
2Be connected; Described output inductor L
fWith output filter capacitor C
fConstitute output filter, the high order harmonic component in the output voltage of this output filter filtering multi-level converter, thus obtain high-quality sinusoidal voltage u in the AC load side
oThe described first four-quadrant power switch S
1, the second four-quadrant power switch S
2, the 3rd four-quadrant power switch S
3, the 4th four-quadrant power switch S
4, energy storage inductor L, storage capacitor C and all press clamping capacitance C
cConstitute multi-level converter, this first four-quadrant power switch S
1, the second four-quadrant power switch S
2With the first clamping capacitance C
C1Constitute the first basic comprising unit in the multi-level converter, the 3rd four-quadrant power switch S
3, the 4th four-quadrant power switch S
4With the second clamping capacitance C
C2Constitute the second basic comprising unit in the multi-level converter, this first clamping capacitance C
C1With the second clamping capacitance C
C2Merge into and all press clamping capacitance C
c
In the non-isolated friendship of the present invention-friendship type three level AC-AC converters, the input filter of Lian Jieing, multi-level converter and output filter are combined into the Sepic type circuit topology that is applicable to ascending, descending pressure AC-AC conversion occasion successively, promptly import high-voltage ac power u
iWith input filter inductance L
iConnect this input filter inductance L
iThe other end respectively with the first energy storage inductor L
1With input filter capacitor C
iConnect this input filter capacitor C
iThe other end respectively with input high-voltage ac power u
iWith the second four-quadrant power switch S
2Be connected this input filter inductance L
iWith input filter capacitor C
iConstitute input filter, this input filter is to input high-voltage ac power u
iCarry out filtering; The described first energy storage inductor L
1The other end respectively with the first four-quadrant power switch S
1C is connected with storage capacitor, this first four-quadrant power switch S
1The other end respectively with the second four-quadrant power switch S
2The other end and all press clamping capacitance C
cBe connected, this all presses clamping capacitance C
cThe other end respectively with the 3rd four-quadrant power switch S
3With the 4th four-quadrant power switch S
4Connect, the other end of described storage capacitor C respectively with the 3rd four-quadrant power switch S
3The other end and the second energy storage inductor L
2Be connected this second energy storage inductor L
2The other end respectively with the second four-quadrant power switch S
2, output filter capacitor C
fWith output AC load Z
LConnect this output filter capacitor C
fWith output AC load Z
LThe other end respectively with the 4th four-quadrant power switch S
4The other end connect this output filter capacitor C
fHigh order harmonic component in the output voltage of filtering multi-level converter, thus high-quality sinusoidal voltage u obtained in the AC load side
oThe described first four-quadrant power switch S
1, the second four-quadrant power switch S
2, the 3rd four-quadrant power switch S
3, the 4th four-quadrant power switch S
4, the first energy storage inductor L
1, the second energy storage inductor L
2, storage capacitor C and all press clamping capacitance C
cConstitute multi-level converter, this first four-quadrant power switch S
1, the second four-quadrant power switch S
2With the first clamping capacitance C
C1Constitute the first basic comprising unit in the multi-level converter, the 3rd four-quadrant power switch S
3, the 4th four-quadrant power switch S
4With the second clamping capacitance C
C2Constitute the second basic comprising unit in the multi-level converter, this first clamping capacitance C
C1With the second clamping capacitance C
C2Merge into and all press clamping capacitance C
c
In the non-isolated friendship of the present invention-friendship type three level AC-AC converters, the input filter of Lian Jieing, multi-level converter and output filter are combined into the Zeta type circuit topology that is applicable to ascending, descending pressure AC-AC conversion occasion successively, promptly import high-voltage ac power u
iWith input filter inductance L
iConnect this input filter inductance L
iThe other end respectively with input filter capacitor C
iWith the second four-quadrant power switch S
2Be connected this input filter capacitor C
iThe other end respectively with input high-voltage ac power u
iL is connected with energy storage inductor; Described input filter inductance L
iWith input filter capacitor C
iConstitute input filter, this input filter is to input high-voltage ac power u
iCarry out filtering; The described second four-quadrant power switch S
2The other end respectively with the first four-quadrant power switch S
1All press clamping capacitance C
cBe connected this first four-quadrant power switch S
1The other end be connected with storage capacitor C with the other end of energy storage inductor L respectively, this all presses clamping capacitance C
cThe other end respectively with the 3rd four-quadrant power switch S
3With the 4th four-quadrant power switch S
4Be connected the 3rd four-quadrant power switch S
3The other end respectively with the other end and the output inductor L of storage capacitor C
fConnect this output inductor L
fThe other end respectively with output filter capacitor C
fWith output AC load Z
LConnect the 4th four-quadrant power switch S
4The other end respectively with energy storage inductor L, output filter capacitor C
fWith output AC load Z
LThe other end be connected this output inductor L
fWith output filter capacitor C
fConstitute output filter, the high order harmonic component in the output voltage of this output filter filtering multi-level converter, thus obtain high-quality sinusoidal voltage u in the AC load side
oThe described first four-quadrant power switch S
1, the second four-quadrant power switch S
2, the 3rd four-quadrant power switch S
3, the 4th four-quadrant power switch S
4, energy storage inductor L, storage capacitor C and all press clamping capacitance C
cConstitute multi-level converter, this first four-quadrant power switch S
1, the second four-quadrant power switch S
2With the first clamping capacitance C
C1Constitute the first basic comprising unit in the multi-level converter, the 3rd four-quadrant power switch S
3, the 4th four-quadrant power switch S
4With the second clamping capacitance C
C2Constitute the second basic comprising unit in the multi-level converter, this first clamping capacitance C
C1With the second clamping capacitance C
C2Merge into and all press clamping capacitance C
c
The present invention compared with prior art, its remarkable advantage: the present invention is the key technology basis of realizing novel electric power electric transformer and simple alternating current voltage regulator etc., high pressure AC-AC transformation of electrical energy occasion in fields such as civilian, national defence and industry is with a wide range of applications.Because have that topology is succinct, advantages such as the terminal voltage spectral characteristic is good before the single-stage power conversion (LFAC-LFAC), bidirectional power flow, output filter, thereby with respect to handing over-straight-friendship type three level AC-AC converters, this quasi-converter can improve conversion efficiency and power density, reduces volume and weight and improve the input side power factor; With respect to two level AC-AC converters, go for high pressure AC-AC transformation of electrical energy occasion, and can reduce volume and weight, the raising output waveform quality of output filter greatly; And solved Buck type friendship-friendship type three level AC-AC converter topology forms single, can only decompression transformation etc. defective, thereby the application scenario of having widened three level AC-AC converters greatly.
Below in conjunction with accompanying drawing the present invention is described in further detail.
Description of drawings
Fig. 1 is the circuit structure diagram of the non-isolated type AC-AC tri-level converter of the present invention.
Fig. 2 is the Boost type topological diagram of the non-isolated type AC-AC tri-level converter of the present invention.
Fig. 3 is the Buck-boost type topological diagram of the non-isolated type AC-AC tri-level converter of the present invention.
Fig. 4 is the Cuk type topological diagram of the non-isolated type AC-AC tri-level converter of the present invention.
Fig. 5 is the Sepic type topological diagram of the non-isolated type AC-AC tri-level converter of the present invention.
Fig. 6 is the Zeta type topological diagram of the non-isolated type AC-AC tri-level converter of the present invention.
Embodiment
In conjunction with Fig. 1, the circuit structure of the non-isolated type AC-AC tri-level converter of the present invention is made of input high-voltage ac power, input filter, multi-level converter, output filter and output AC load.This circuit structure can be directly converted to unsettled high pressure, alternating current inferior same frequency, the high-quality sinusoidal ac of stable (or adjustable).Input high-voltage ac power u
iWith input filter inductance L
iAn end connect this input filter inductance L
iThe other end and multi-level converter, input filter capacitor C
iBe connected this input filter capacitor C
iThe other end and input high-voltage ac power u
i, multi-level converter is connected; Input filter inductance L
iWith input filter capacitor C
iConstitute input filter, can be to input high-voltage ac power u
iCarry out filtering; Multi-level converter is made of two basic comprising unit, energy storage inductor L, can will be converted into many level output voltage through the filtered input voltage of input filter; The end of energy storage inductor L is connected with input filter in this multi-level converter, the other end and the first four-quadrant power switch S
1(in each frame of broken lines is a four-quadrant power switch, and each four-quadrant power switch forms by two power switch differential concatenations, can bear forward, reverse voltage stress and current stress) and the 3rd four-quadrant power switch S
3Be connected; The first four-quadrant power switch S
1The other end and the second four-quadrant power switch S
2, the first clamping capacitance C
C1(each clamping capacitance is polarity free capacitor, can suppress the due to voltage spikes at power switch two ends) connects; The second four-quadrant power switch S
2The other end be connected with input filter; The first clamping capacitance C
C1The other end and the second clamping capacitance C
C2Connect; The 3rd four-quadrant power switch S
3The other end and the second clamping capacitance C
C2The other end, the 4th four-quadrant power switch S
4Connect; The 4th four-quadrant power switch S
4The other end again with output filter capacitor C
f, output AC load Z
LConnect; Output filter capacitor C
fBut the high order harmonic component in the output voltage of filtering multi-level converter, thereby obtain high-quality sinusoidal voltage u in the AC load side
oOutput filter capacitor C
f, output AC load Z
LThe other end be connected with multi-level converter again; The described first four-quadrant power switch S
1, the second four-quadrant power switch S
2With the first clamping capacitance C
C1Constitute 1 (the first basic comprising unit), basic comprising unit; Described the 3rd four-quadrant power switch S
3, the 4th four-quadrant power switch S
4With the second clamping capacitance C
C2Constitute 2 (the second basic comprising unit), basic comprising unit.With respect to the two stage power conversion progression (low-frequency ac LFAC-DC direct current-low-frequency ac LFAC) that traditional friendship-straight-friendship type AC-AC converter is had, this circuit structure only has single-stage power conversion progression (low-frequency ac LFAC-low-frequency ac LFAC), thereby this quasi-converter can improve input side power factor, conversion efficiency, power density and reliability.Because this circuit structure adopts the four-quadrant power switch to replace single power switch, thereby can realize half that bidirectional power flow and its each single voltage stress that power switch bore are two level AC-AC converters, thereby can be widely used in high pressure AC-AC conversion occasion.With respect to two level AC-AC converters,, improved spectral characteristic, thereby can reduce the volume and weight of output filter and improve the output waveform quality simultaneously because the output voltage of multi-level converter is the voltage waveform of many level.
The basic functional principle of non-isolated friendship-friendship type three level AC-AC converters is as follows: according to the requirement of different output voltages, adopt the non-isolated friendship-friendship type three level AC-AC converters of pulse-width modulation (PWM) control can utilize input voltage level u
i, 1/2nd input voltage level u
iSwitch transition level such as/2,0 carries out the copped wave under the different mode.As unsettled high pressure, AC power u inferior
iTo AC load Z
LDuring transmitted power, the PWM copped wave under the multi-level converter different mode can obtain unipolarity, many level (u
i, u
i/ 2,0 ,-u
i/ 2 ,-u
iDeng) low-frequency pulse voltage, after output filter filtering, can be stablized same frequency, the high-quality sinusoidal voltage of (or adjustable) again.
Non-isolated friendship proposed by the invention, that have the foregoing circuit structure-friendship type three level AC-AC converters can obtain different circuit topology families through the combination of input filter, basic comprising unit, energy storage inductor, storage capacitor and output filter etc., comprise Boost type, Buck-Boost type, Cuk type, Sepic type and five kinds of circuit topologies of Zeta type, but all topologys in this circuit topology family all has identical circuit structure.In foregoing circuit topology family, has output inductor L as Cuk type and Zeta type circuit topology
f, and Boost type, Buck-Boost type and Sepic type circuit topology do not have output inductor L
f
Wherein, Boost type circuit topology as shown in Figure 2, its physical circuit connects as follows: input high-voltage ac power u
iWith input filter inductance L
iConnect input filter inductance L
iThe other end and energy storage inductor L, input filter capacitor C
iBe connected input filter capacitor C
iThe other end and input high-voltage ac power u
i, the second four-quadrant power switch S
2Be connected; Input filter inductance L
iWith input filter capacitor C
iConstitute input filter, can be to the input high-voltage ac power u of input
iCarry out filtering; The other end of energy storage inductor L and the first four-quadrant power switch S
1, the 3rd four-quadrant power switch S
3Connect the first four-quadrant power switch S
1The other end and the second four-quadrant power switch S
2The other end, all press clamping capacitance C
cBe connected the 3rd four-quadrant power switch S
3The other end with all press clamping capacitance C
cThe other end, the 4th four-quadrant power switch S
4Connect the 4th four-quadrant power switch S
4The other end and output filter capacitor C
f, output AC load Z
LBe connected; C
fBut the high order harmonic component in the output voltage of filtering multi-level converter, thereby obtain high-quality sinusoidal voltage u in the AC load side
oOutput filter capacitor C
f, output AC load Z
LThe other end again with the second four-quadrant power switch S
2Be connected; The first four-quadrant power switch S
1, the second four-quadrant power switch S
2, the 3rd four-quadrant power switch S
3, the 4th four-quadrant power switch S
4, energy storage inductor L, all press clamping capacitance C
cConstitute multi-level converter; The first four-quadrant power switch S
1, the second four-quadrant power switch S
2With the first clamping capacitance C
C1(not drawing among the figure) constitutes the basic comprising unit 1 in the multi-level converter; The 3rd four-quadrant power switch S
3, the 4th four-quadrant power switch S
4With the second clamping capacitance C
C2(not drawing among the figure) constitutes the basic comprising unit 2 in the multi-level converter; The first clamping capacitance C
C1With the second clamping capacitance C
C2Merge into all pressures clamping capacitance C shown in the figure
cBoost type topology is applicable to the AC-AC conversion occasion of boosting.
Buck-boost type circuit topology as shown in Figure 3, its physical circuit connects as follows: input high-voltage ac power u
iWith input filter inductance L
iConnect input filter inductance L
iThe other end and input filter capacitor C
i, the second four-quadrant power switch S
2Be connected input filter capacitor C
iThe other end and input high-voltage ac power u
i, energy storage inductor L connects; Input filter inductance L
iWith input filter capacitor C
iConstitute input filter, can be to input high-voltage ac power u
iCarry out filtering; The second four-quadrant power switch S
2The other end and the first four-quadrant power switch S
1, all press clamping capacitance C
cBe connected the first four-quadrant power switch S
1The other end and the other end, the 3rd four-quadrant power switch S of energy storage inductor L
3Connect the 3rd four-quadrant power switch S
3The other end with all press clamping capacitance C
cThe other end, the 4th four-quadrant power switch S
4Connect the 4th four-quadrant power switch S
4The other end and output filter capacitor C
f, output AC load Z
LBe connected output filter capacitor C
f, output AC load Z
LThe other end be connected with energy storage inductor L; Output filter capacitor C
fBut the high order harmonic component in the output voltage of filtering multi-level converter, thereby obtain high-quality sinusoidal voltage u in the AC load side
oOutput filter capacitor C
f, output AC load Z
LThe other end again with the second four-quadrant power switch S
2Be connected; The first four-quadrant power switch S
1, the second four-quadrant power switch S
2, the 3rd four-quadrant power switch S
3, the 4th four-quadrant power switch S
4, energy storage inductor L, all press clamping capacitance C
cConstitute multi-level converter; The first four-quadrant power switch S
1, the second four-quadrant power switch S
2With the first clamping capacitance C
C1(not drawing among the figure) constitutes the basic comprising unit 1 (the first basic comprising unit) in the multi-level converter; The 3rd four-quadrant power switch S
3, the 4th four-quadrant power switch S
4With the second clamping capacitance C
C2(not drawing among the figure) constitutes the basic comprising unit 2 (the second basic comprising unit) in the multi-level converter; The first clamping capacitance C
C1With the second clamping capacitance C
C2Merge into all pressures clamping capacitance C shown in the figure
cBuck-boost type topology is applicable to ascending, descending pressure AC-AC conversion occasion.
Cuk type circuit topology as shown in Figure 4, its physical circuit connects as follows: input high-voltage ac power u
iWith input filter inductance L
iConnect input filter inductance L
iThe other end and energy storage inductor L, input filter capacitor C
iBe connected input filter capacitor C
iThe other end and input high-voltage ac power u
i, the second four-quadrant power switch S
2Be connected; Input filter inductance L
iWith input filter capacitor C
iConstitute input filter, can be to input high-voltage ac power u
iCarry out filtering; The other end of energy storage inductor L and the first four-quadrant power switch S
1, storage capacitor C connects the first four-quadrant power switch S
1The other end and the second four-quadrant power switch S
2The other end, all press clamping capacitance C
cBe connected, all press clamping capacitance C
cThe other end and the 3rd four-quadrant power switch S
3, the 4th four-quadrant power switch S
4Connect the 4th four-quadrant power switch S
4The other end and the second four-quadrant power switch S
2, output filter capacitor C
f, output AC load Z
LConnect the 3rd four-quadrant power switch S
3The other end and the other end, the output inductor L of storage capacitor C
fConnect output inductor L
fThe other end and output filter capacitor C
f, output AC load Z
LThe other end be connected; Output inductor L
fWith output filter capacitor C
fConstitute output filter, but the high order harmonic component in the output voltage of filtering multi-level converter, thus obtain high-quality sinusoidal voltage u in the AC load side
oOutput filter capacitor C
f, output AC load Z
LThe other end again with the second four-quadrant power switch S
2Be connected; The first four-quadrant power switch S
1, the second four-quadrant power switch S
2, the 3rd four-quadrant power switch S
3, the 4th four-quadrant power switch S
4, energy storage inductor L, storage capacitor C, all press clamping capacitance C
cConstitute multi-level converter; The first four-quadrant power switch S
1, the second four-quadrant power switch S
2With the first clamping capacitance C
C1(not drawing among the figure) constitutes the basic comprising unit 1 (the first basic comprising unit) in the multi-level converter; The 3rd four-quadrant power switch S
3, the 4th four-quadrant power switch S
4With the second clamping capacitance C
C2(not drawing among the figure) constitutes the basic comprising unit 2 (the second basic comprising unit) in the multi-level converter; The first clamping capacitance C
C1With the second clamping capacitance C
C2Merge into all pressures clamping capacitance C shown in the figure
cCuk type topology is applicable to ascending, descending pressure AC-AC conversion occasion.
Sepic type circuit topology as shown in Figure 5, its physical circuit connects as follows: input high-voltage ac power u
iWith input filter inductance L
iConnect input filter inductance L
iThe other end and the first energy storage inductor L
1, input filter capacitor C
iConnect input filter capacitor C
iThe other end and input high-voltage ac power u
i, the second four-quadrant power switch S
2Be connected; Input filter inductance L
iWith input filter capacitor C
iConstitute input filter, can be to input high-voltage ac power u
iCarry out filtering; The first energy storage inductor L
1The other end and the first four-quadrant power switch S
1, storage capacitor C connects the first four-quadrant power switch S
1The other end and the second four-quadrant power switch S
2The other end, all press clamping capacitance C
cBe connected, all press clamping capacitance C
cThe other end and the 3rd four-quadrant power switch S
3, the 4th four-quadrant power switch S
4Connect the other end of storage capacitor C and the 3rd four-quadrant power switch S
3The other end, the second energy storage inductor L
2Be connected the second energy storage inductor L
2The other end and the second four-quadrant power switch S
2, output filter capacitor C
f, output AC load Z
LConnect the 4th four-quadrant power switch S
4The other end again with output filter capacitor C
f, output AC load Z
LThe other end connect; C
fBut the high order harmonic component in the output voltage of filtering multi-level converter, thereby obtain high-quality sinusoidal voltage u in the AC load side
oThe first four-quadrant power switch S
1, the second four-quadrant power switch S
2, the 3rd four-quadrant power switch S
3, the 4th four-quadrant power switch S
4, the first energy storage inductor L
1, the second energy storage inductor L
2, storage capacitor C, all press clamping capacitance C
cConstitute multi-level converter; The first four-quadrant power switch S
1, the second four-quadrant power switch S
2With the first clamping capacitance C
C1(not drawing among the figure) constitutes the basic comprising unit 1 (the first basic comprising unit) in the multi-level converter; The 3rd four-quadrant power switch S
3, the 4th four-quadrant power switch S
4With the second clamping capacitance C
C2(not drawing among the figure) constitutes the basic comprising unit 2 (the second basic comprising unit) in the multi-level converter; The first clamping capacitance C
C1With the second clamping capacitance C
C2Merge into all pressures clamping capacitance C shown in the figure
cSepic type topology is applicable to ascending, descending pressure AC-AC conversion occasion.
Zeta type circuit topology as shown in Figure 6, its physical circuit connects as follows: input high-voltage ac power u
iWith input filter inductance L
iConnect input filter inductance L
iThe other end and input filter capacitor C
i, the second four-quadrant power switch S
2Be connected input filter capacitor C
iThe other end and input high-voltage ac power u
i, energy storage inductor L connects; Input filter inductance L
iWith input filter capacitor C
iConstitute input filter, can be to input high-voltage ac power u
iCarry out filtering; The second four-quadrant power switch S
2The other end and the first four-quadrant power switch S
1, all press clamping capacitance C
cBe connected the first four-quadrant power switch S
1The other end and the other end, the storage capacitor C of energy storage inductor L be connected, all press clamping capacitance C
cThe other end and the 3rd four-quadrant power switch S
3, the 4th four-quadrant power switch S
4Be connected the 3rd four-quadrant power switch S
3The other end and the other end, the output inductor L of storage capacitor C
fConnect output inductor L
fThe other end and output filter capacitor C
f, output AC load Z
LConnect the 4th four-quadrant power switch S
4The other end and energy storage inductor L, output filter capacitor C
f, output AC load Z
LThe other end be connected; Output inductor L
fWith output filter capacitor C
fConstitute output filter, but the high order harmonic component in the output voltage of filtering multi-level converter, thus obtain high-quality sinusoidal voltage u in the AC load side
oThe first four-quadrant power switch S
1, the second four-quadrant power switch S
2, the 3rd four-quadrant power switch S
3, the 4th four-quadrant power switch S
4, energy storage inductor L, storage capacitor C, all press clamping capacitance C
cConstitute multi-level converter; The first four-quadrant power switch S
1, the second four-quadrant power switch S
2With the first clamping capacitance C
C1(not drawing among the figure) constitutes the basic comprising unit 1 (the first basic comprising unit) in the multi-level converter; The 3rd four-quadrant power switch S
3, the 4th four-quadrant power switch S
4With the second clamping capacitance C
C2(not drawing among the figure) constitutes the basic comprising unit 2 (the first basic comprising unit) in the multi-level converter; The first clamping capacitance C
C1With the second clamping capacitance C
C2Merge into all pressures clamping capacitance C shown in the figure
cZeta type topology is applicable to ascending, descending pressure AC-AC conversion occasion.
Claims (8)
1, a kind of non-isolated friendship-friendship type three level AC-AC converters, it is characterized in that: forms unsettled high pressure, alternating current inferior be directly converted to by the input filter, multi-level converter and the output filter that connect successively and stablize or adjustable same frequency, high-quality sinusoidal ac, and reduce Power Conversion progression, realize the circuit structure of single-stage power conversion, promptly import high-voltage ac power u
iWith input filter inductance L
iAn end connect this input filter inductance L
iThe other end respectively with multi-level converter, input filter capacitor C
iBe connected this input filter capacitor C
iThe other end respectively with input high-voltage ac power u
i, multi-level converter is connected described input filter inductance L
iWith input filter capacitor C
iConstitute input filter, this input filter is to input high-voltage ac power u
iCarry out filtering; Described multi-level converter will be converted into many level output voltage through the filtered input voltage of input filter, be made up of two basic comprising unit, energy storage inductor L; In this multi-level converter, the end of energy storage inductor L is connected with input filter, the other end respectively with the first four-quadrant power switch S
1With the 3rd four-quadrant power switch S
3Be connected; This first four-quadrant power switch S
1The other end respectively with the second four-quadrant power switch S
2With the first clamping capacitance C
C1Connect; This second four-quadrant power switch S
2The other end be connected with input filter; This first clamping capacitance C
C1The other end and the second clamping capacitance C
C2Connect; The 3rd four-quadrant power switch S
3The other end respectively with the second clamping capacitance C
C2The other end and the 4th four-quadrant power switch S
4Connect the 4th four-quadrant power switch S
4The other end respectively with output filter capacitor C
fWith output AC load Z
LOne end connects, this output filter capacitor C
fHigh order harmonic component in the output voltage of filtering multi-level converter, thus high-quality sinusoidal voltage u obtained in the AC load side
o, this output filter capacitor C
f, output AC load Z
LThe other end be connected with multi-level converter again; The described first four-quadrant power switch S
1, the second four-quadrant power switch S
2With the first clamping capacitance C
C1Constitute the first basic comprising unit, the 3rd four-quadrant power switch S
3, the 4th four-quadrant power switch S
4With the second clamping capacitance C
C2Constitute the second basic comprising unit.
2, non-isolated friendship one friendship type three level AC-AC converters according to claim 1, it is characterized in that: the input filter of Lian Jieing, multi-level converter and output filter are combined into the Boost type circuit topology that is applicable to the AC-AC conversion occasion of boosting successively, promptly import high-voltage ac power u
iWith input filter inductance L
iConnect this input filter inductance L
iThe other end respectively with energy storage inductor L and input filter capacitor C
iBe connected this input filter capacitor C
iThe other end respectively with input high-voltage ac power u
iWith the second four-quadrant power switch S
2Be connected; Described input filter inductance L
iWith input filter capacitor C
iConstitute input filter, this input filter is to the input high-voltage ac power u of input
iCarry out filtering; The other end of described energy storage inductor L respectively with the first four-quadrant power switch S
1With the 3rd four-quadrant power switch S
3Connect this first four-quadrant power switch S
1The other end respectively with the second four-quadrant power switch S
2The other end and all press clamping capacitance C
cBe connected the 3rd four-quadrant power switch S
3The other end respectively with all press clamping capacitance C
cThe other end and the 4th four-quadrant power switch S
4Connect the 4th four-quadrant power switch S
4The other end respectively with output filter capacitor C
fWith output AC load Z
LOne end is connected, this output filter capacitor C
fWith output AC load Z
LThe other end and the second four-quadrant power switch S
2Be connected this output filter capacitor C
fHigh order harmonic component in the output voltage of filtering multi-level converter, thus high-quality sinusoidal voltage u obtained in the AC load side
oThe described first four-quadrant power switch S
1, the second four-quadrant power switch S
2, the 3rd four-quadrant power switch S
3, the 4th four-quadrant power switch S
4, energy storage inductor L and all press clamping capacitance C
cConstitute multi-level converter, this first four-quadrant power switch S
1, the second four-quadrant power switch S
2With the first clamping capacitance C
C1Constitute the first basic comprising unit in this multi-level converter, the 3rd four-quadrant power switch S
3, the 4th four-quadrant power switch S
4With the second clamping capacitance C
C2Constitute the second basic comprising unit in this multi-level converter, the first clamping capacitance C
C1With the second clamping capacitance C
C2Merge into and all press clamping capacitance C
c
3, non-isolated friendship according to claim 1-friendship type three level AC-AC converters, it is characterized in that: the input filter of Lian Jieing, multi-level converter and output filter are combined into the Buck-boost type circuit topology that is applicable to ascending, descending pressure AC-AC conversion occasion successively, promptly import high-voltage ac power u
iWith input filter inductance L
iConnect this input filter inductance L
iThe other end respectively with input filter capacitor C
i, the second four-quadrant power switch S
2Be connected this input filter capacitor C
iThe other end respectively with input high-voltage ac power u
iBe connected this input filter inductance L with energy storage inductor L one end
iWith input filter capacitor C
iConstitute input filter, this input filter is to input high-voltage ac power u
iCarry out filtering; The second four-quadrant power switch S
2The other end respectively with the first four-quadrant power switch S
1All press clamping capacitance C
cBe connected this first four-quadrant power switch S
1The other end respectively with the other end and the 3rd four-quadrant power switch S of energy storage inductor L
3Connect the 3rd four-quadrant power switch S
3The other end respectively with all press clamping capacitance C
cThe other end and the 4th four-quadrant power switch S
4Connect the 4th four-quadrant power switch S
4The other end respectively with output filter capacitor C
fWith output AC load Z
LBe connected this output filter capacitor C
fWith output AC load Z
LThe other end be connected this output filter capacitor C respectively with energy storage inductor L one end
fHigh order harmonic component in the output voltage of filtering multi-level converter, thus high-quality sinusoidal voltage u obtained in the AC load side
oThe described first four-quadrant power switch S
1, the second four-quadrant power switch S
2, the 3rd four-quadrant power switch S
3, the 4th four-quadrant power switch S
4, energy storage inductor L and all press clamping capacitance C
cConstitute multi-level converter, this first four-quadrant power switch S
1, the second four-quadrant power switch S
2With the first clamping capacitance C
C1Constitute the first basic comprising unit in the multi-level converter, the 3rd four-quadrant power switch S
3, the 4th four-quadrant power switch S
4With the second clamping capacitance C
C2Constitute the second basic comprising unit in the multi-level converter, this first clamping capacitance C
C1With the second clamping capacitance C
C2Merge into and all press clamping capacitance C
c
4, non-isolated friendship according to claim 1-friendship type three level AC-AC converters, it is characterized in that: the input filter of Lian Jieing, multi-level converter and output filter are combined into the Cuk type circuit topology that is applicable to ascending, descending pressure AC-AC conversion occasion successively, promptly import high-voltage ac power u
iWith input filter inductance L
iConnect this input filter inductance L
iThe other end respectively with energy storage inductor L and input filter capacitor C
iBe connected this input filter capacitor C
iThe other end respectively with input high-voltage ac power u
iWith the second four-quadrant power switch S
2Be connected described input filter inductance L
iWith input filter capacitor C
iConstitute input filter, this input filter is to input high-voltage ac power u
iCarry out filtering; The other end of described energy storage inductor L respectively with the first four-quadrant power switch S
1C is connected with storage capacitor, this first four-quadrant power switch S
1The other end respectively with the second four-quadrant power switch S
2The other end and all press clamping capacitance C
cBe connected, this all presses clamping capacitance C
cThe other end respectively with the 3rd four-quadrant power switch S
3With the 4th four-quadrant power switch S
4Connect the 4th four-quadrant power switch S
4The other end respectively with the second four-quadrant power switch S
2, output filter capacitor C
fWith output AC load Z
LConnect the 3rd four-quadrant power switch S
3The other end respectively with the other end and the output inductor L of storage capacitor C
fConnect this output inductor L
fThe other end respectively with output filter capacitor C
fWith output AC load Z
LThe other end be connected this output filter capacitor C
fWith output AC load Z
LThe other end and the second four-quadrant power switch S
2Be connected; Described output inductor L
fWith output filter capacitor C
fConstitute output filter, the high order harmonic component in the output voltage of this output filter filtering multi-level converter, thus obtain high-quality sinusoidal voltage u in the AC load side
oThe described first four-quadrant power switch S
1, the second four-quadrant power switch S
2, the 3rd four-quadrant power switch S
3, the 4th four-quadrant power switch S
4, energy storage inductor L, storage capacitor C and all press clamping capacitance C
cConstitute multi-level converter, this first four-quadrant power switch S
1, the second four-quadrant power switch S
2With the first clamping capacitance Cc
1Constitute the first basic comprising unit in the multi-level converter, the 3rd four-quadrant power switch S
3, the 4th four-quadrant power switch S
4With the second clamping capacitance C
C2Constitute the second basic comprising unit in the multi-level converter, this first clamping capacitance C
C1With the second clamping capacitance C
C2Merge into and all press clamping capacitance C
c
5, non-isolated friendship according to claim 1-friendship type three level AC-AC converters, it is characterized in that: the input filter of Lian Jieing, multi-level converter and output filter are combined into the Zeta type circuit topology that is applicable to ascending, descending pressure AC-AC conversion occasion successively, promptly import high-voltage ac power u
iWith input filter inductance L
iConnect this input filter inductance L
iThe other end respectively with input filter capacitor C
iWith the second four-quadrant power switch S
2Be connected this input filter capacitor C
iThe other end respectively with input high-voltage ac power u
iL is connected with energy storage inductor; Described input filter inductance L
iWith input filter capacitor C
iConstitute input filter, this input filter is to input high-voltage ac power u
iCarry out filtering; The described second four-quadrant power switch S
2The other end respectively with the first four-quadrant power switch S
1All press clamping capacitance C
cBe connected this first four-quadrant power switch S
1The other end be connected with storage capacitor C with the other end of energy storage inductor L respectively, this all presses clamping capacitance C
cThe other end respectively with the 3rd four-quadrant power switch S
3With the 4th four-quadrant power switch S
4Be connected the 3rd four-quadrant power switch S
3The other end respectively with the other end and the output inductor L of storage capacitor C
fConnect this output inductor L
fThe other end respectively with output filter capacitor C
fWith output AC load Z
LConnect the 4th four-quadrant power switch S
4The other end respectively with energy storage inductor L, output filter capacitor C
fWith output AC load Z
LThe other end be connected this output inductor L
fWith output filter capacitor C
fConstitute output filter, the high order harmonic component in the output voltage of this output filter filtering multi-level converter, thus obtain high-quality sinusoidal voltage u in the AC load side
oThe described first four-quadrant power switch S
1, the second four-quadrant power switch S
2, the 3rd four-quadrant power switch S
3, the 4th four-quadrant power switch S
4, energy storage inductor L, storage capacitor C and all press clamping capacitance C
cConstitute multi-level converter, this first four-quadrant power switch S
1, the second four-quadrant power switch S
2With the first clamping capacitance C
C1Constitute the first basic comprising unit in the multi-level converter, the 3rd four-quadrant power switch S
3, the 4th four-quadrant power switch S
4With the second clamping capacitance C
C2Constitute the second basic comprising unit in the multi-level converter, this first clamping capacitance C
C1With the second clamping capacitance C
C2Merge into and all press clamping capacitance C
c
6, a kind of non-isolated friendship-friendship type three level AC-AC converters, it is characterized in that: the input filter of Lian Jieing, multi-level converter and output filter are combined into the Sepic type circuit topology that is applicable to ascending, descending pressure AC-AC conversion occasion successively, promptly import high-voltage ac power u
iWith input filter inductance L
iConnect this input filter inductance L
iThe other end respectively with the first energy storage inductor L
1With input filter capacitor C
iConnect this input filter capacitor C
iThe other end respectively with input high-voltage ac power u
iWith the second four-quadrant power switch S
2Be connected this input filter inductance L
iWith input filter capacitor C
iConstitute input filter, this input filter is to input high-voltage ac power u
iCarry out filtering; The described first energy storage inductor L
1The other end respectively with the first four-quadrant power switch S
1C is connected with storage capacitor, this first four-quadrant power switch S
1The other end respectively with the second four-quadrant power switch S
2The other end and all press clamping capacitance C
cBe connected, this all presses clamping capacitance C
cThe other end respectively with the 3rd four-quadrant power switch S
3With the 4th four-quadrant power switch S
4Connect, the other end of described storage capacitor C respectively with the 3rd four-quadrant power switch S
3The other end and the second energy storage inductor L
2Be connected this second energy storage inductor L
2The other end respectively with the second four-quadrant power switch S
2, output filter capacitor C
fWith output AC load Z
LConnect this output filter capacitor C
fWith output AC load Z
LThe other end respectively with the 4th four-quadrant power switch S
4The other end connect this output filter capacitor C
fHigh order harmonic component in the output voltage of filtering multi-level converter, thus high-quality sinusoidal voltage u obtained in the AC load side
oThe described first four-quadrant power switch S
1, the second four-quadrant power switch S
2, the 3rd four-quadrant power switch S
3, the 4th four-quadrant power switch S
4, the first energy storage inductor L
1, the second energy storage inductor L
2, storage capacitor C and all press clamping capacitance C
cConstitute multi-level converter, this first four-quadrant power switch S
1, the second four-quadrant power switch S
2With the first clamping capacitance C
C1Constitute the first basic comprising unit in the multi-level converter, the 3rd four-quadrant power switch S
3, the 4th four-quadrant power switch S
4With the second clamping capacitance C
C2Constitute the second basic comprising unit in the multi-level converter, this first clamping capacitance C
C1With the second clamping capacitance C
C2Merge into and all press clamping capacitance C
c
7, according to each described non-isolated friendship of claim 1 to 6-friendship type three level AC-AC converters, it is characterized in that: each four-quadrant power switch constitutes by two power switch differential concatenations, and this four-quadrant power switch bears forward, reverse voltage stress and current stress.
8, according to each described non-isolated friendship of claim 1 to 6-friendship type three level AC-AC converters, it is characterized in that: each clamping capacitance is the polarity free capacitor of the due to voltage spikes that suppresses the power switch two ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100198169A CN100490289C (en) | 2007-01-30 | 2007-01-30 | Non-isolation type AC-AC tri-level converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100198169A CN100490289C (en) | 2007-01-30 | 2007-01-30 | Non-isolation type AC-AC tri-level converter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101039078A CN101039078A (en) | 2007-09-19 |
| CN100490289C true CN100490289C (en) | 2009-05-20 |
Family
ID=38889773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100198169A Expired - Fee Related CN100490289C (en) | 2007-01-30 | 2007-01-30 | Non-isolation type AC-AC tri-level converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100490289C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107359803A (en) * | 2017-08-31 | 2017-11-17 | 南京理工大学 | Positive activation type high-frequency isolation three-level inverter |
Families Citing this family (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4521598B2 (en) * | 2004-10-13 | 2010-08-11 | ルネサスエレクトロニクス株式会社 | Semiconductor integrated circuit device, non-contact electronic device, and portable information terminal |
| CN101677218B (en) * | 2008-09-17 | 2012-01-18 | 南京理工大学 | Combined type triple level AC-AC converter |
| CN102025281B (en) * | 2009-09-15 | 2012-12-12 | 南京理工大学 | Cuk-converter-based high-frequency isolated three-level alternating current (AC)-AC converter |
| CN102082515B (en) * | 2009-11-27 | 2013-01-23 | 南京理工大学 | High frequency isolated AC-AC mode three-level AC-AC converter based on flyback converter |
| CN102594189A (en) * | 2012-03-05 | 2012-07-18 | 南京理工大学 | Non-isolated direct-current converter type differential three-level inverter |
| CN102821531B (en) * | 2012-08-29 | 2015-03-11 | 孝感市捷能特种光源照明器具有限公司 | 'AC-AC (alternating current) regulation and control' based numerical-control HID (high intensity discharge) driving method and driver applying same |
| CN103312161A (en) * | 2013-07-04 | 2013-09-18 | 清源科技（厦门）股份有限公司 | Grid-tied photovoltaic inverter Boost circuit |
| CN103795266A (en) * | 2014-02-19 | 2014-05-14 | 龚秋声 | Transformer-free single-phase and three-phase voltage reduction AC stabilized-voltage power supply |
| CN104539170B (en) * | 2015-01-09 | 2017-02-22 | 河北工业大学 | Three-level Cuk voltage regulation constant current source and operation method thereof |
| CN104601023B (en) * | 2015-01-15 | 2017-05-31 | 燕山大学 | A kind of three-phase Sepic buck-boost type three-level inverters |
| CN104601024B (en) * | 2015-01-15 | 2017-02-22 | 燕山大学 | Three phase boost type three level inverter |
| CN104779808A (en) * | 2015-04-26 | 2015-07-15 | 中国计量学院 | Variable switch capacitive type AC-AC convertor achieving 1/2 n no-load voltage ratio |
| 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 |
| CN106253668A (en) * | 2016-08-24 | 2016-12-21 | 上海交通大学 | Direct coupling type commutator transformer |
| CN107482888A (en) * | 2017-09-26 | 2017-12-15 | 广东工业大学 | A kind of multi output electric power electric transformer |
| CN108092533B (en) * | 2017-12-25 | 2019-10-29 | 阳光电源股份有限公司 | A kind of more level lossless absorption circuits and photovoltaic generating system |
| CN108054762B (en) * | 2017-12-27 | 2021-02-12 | 南京理工大学 | Single-phase reactive compensator based on buck-boost type alternating current chopper |
| CN108631326A (en) * | 2018-04-26 | 2018-10-09 | 南京理工大学 | Idle and harmonic compensation device based on Buck type three-level AC AC-AC converters |
| CN108539756A (en) * | 2018-04-26 | 2018-09-14 | 南京理工大学 | Single-phase reactive power compensator based on Buck types three-level AC-AC-AC converter |
| CN108988635B (en) * | 2018-09-13 | 2019-09-20 | 阳光电源股份有限公司 | A kind of more level Boost converters, inversion system and control method |
| CN110022073B (en) * | 2019-05-07 | 2024-01-30 | 成都信息工程大学 | AC-AC voltage regulating circuit |
| CN110572028A (en) * | 2019-09-26 | 2019-12-13 | 哈尔滨工业大学 | DC/DC converter based on switch capacitor and resonance SEPIC circuit |
| CN112073029A (en) * | 2020-08-12 | 2020-12-11 | 武汉博畅通信设备有限责任公司 | Frequency hopping filter |
| CN112636613B (en) * | 2020-12-16 | 2022-09-16 | 矽力杰半导体技术(杭州)有限公司 | AC-DC conversion circuit |
| CN112615553B (en) | 2020-12-16 | 2023-09-08 | 矽力杰半导体技术(杭州)有限公司 | AC-DC conversion circuit |
| CN113890327B (en) * | 2021-10-15 | 2022-07-19 | 中山大学 | Boost circuit integrating APFC (active Power factor correction) and switch capacitor converter and control method |
-
2007
- 2007-01-30 CN CNB2007100198169A patent/CN100490289C/en not_active Expired - Fee Related
Non-Patent Citations (2)
| Title |
|---|
| 新型三电平PWM交流斩波器. 石勇，杨旭，王兆安.电工技术学报，第18卷第6期. 2003 |
| 新型三电平PWM交流斩波器. 石勇，杨旭，王兆安.电工技术学报，第18卷第6期. 2003 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107359803A (en) * | 2017-08-31 | 2017-11-17 | 南京理工大学 | Positive activation type high-frequency isolation three-level inverter |
| CN107359803B (en) * | 2017-08-31 | 2019-09-13 | 南京理工大学 | Positive activation type high-frequency isolation three-level inverter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101039078A (en) | 2007-09-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100490289C (en) | Non-isolation type AC-AC tri-level converter | |
| CN100499343C (en) | AC-AC three level AC-AC converter based on positive converter | |
| CN102082515B (en) | High frequency isolated AC-AC mode three-level AC-AC converter based on flyback converter | |
| CN102594189A (en) | Non-isolated direct-current converter type differential three-level inverter | |
| CN103259433B (en) | High-frequency isolation type tri-level inverter based on forward converter | |
| CN100438303C (en) | Five-level double step-down full bridge inverter | |
| CN102025281B (en) | Cuk-converter-based high-frequency isolated three-level alternating current (AC)-AC converter | |
| CN103780115A (en) | High-frequency isolated-type three-level inverter based on flyback converter | |
| CN102035391B (en) | High-frequency isolation type three-electric-level DC-DC (direct current-direct current) convertor based on Cuk convertor | |
| CN100499344C (en) | Zeta type three-level AC-AC converter | |
| CN103762873B (en) | Based on the high frequency isolation type three-level inverter of Boost | |
| CN103023366A (en) | Half-bridge five-electrical-level inverter and high-frequency insulation-type half-bridge five-electrical-level inverter | |
| CN204046455U (en) | Flyback high frequency isolation type three-level inverter | |
| CN104065289B (en) | Flyback high frequency isolation type three-level inverter | |
| CN103856095A (en) | Full-bridge current-source high-frequency isolation-type three-level inverter | |
| CN106712523B (en) | A kind of three levels full-bridge converters of boosting and its control method | |
| CN203761292U (en) | High-frequency isolation type five-level inverter | |
| CN103856089A (en) | High-frequency isolation-type five-level inverter | |
| CN100530923C (en) | Single-phase and triple-phase impedance source booster and step-down DC/DC converter | |
| CN106899203B (en) | Forward five-level inverter | |
| CN109004851B (en) | space high-voltage high-frequency high-power interleaved three-level PFC converter and method | |
| CN107493023A (en) | A kind of non-isolated Zeta three-phases no electrolytic capacitor lifting press rectification circuit of single-stage | |
| CN101677218B (en) | Combined type triple level AC-AC converter | |
| CN107046369A (en) | One kind boosting three-phase half-bridge converter and its control method | |
| CN207426985U (en) | Single-stage phase and amplitude controllable AC converter |
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 | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090520 Termination date: 20110130 |