CN101552569B - Synchronization inverter main circuit topology - Google Patents
Synchronization inverter main circuit topology Download PDFInfo
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- CN101552569B CN101552569B CN2008102439060A CN200810243906A CN101552569B CN 101552569 B CN101552569 B CN 101552569B CN 2008102439060 A CN2008102439060 A CN 2008102439060A CN 200810243906 A CN200810243906 A CN 200810243906A CN 101552569 B CN101552569 B CN 101552569B
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- 239000000446 fuel Substances 0.000 abstract description 5
- 230000002457 bidirectional effect Effects 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 abstract description 2
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- 238000010586 diagram Methods 0.000 description 6
- 210000004027 cell Anatomy 0.000 description 5
- 230000006870 function Effects 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
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- 238000006243 chemical reaction Methods 0.000 description 1
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Abstract
A synchronization inverter main circuit topology belongs to the technical field of inverters and comprises two bidirectional normal shock-type converters (11 and 12), the input sides of the two bidirectional normal shock-type converters are arranged in parallel, and the output sides thereof are reversely arranged in series. Specifically, a synchronization inverter positive semi-cycle voltage output circuit consists of six power switching tubes, two magnetic reset diodes, a main power transformer, a primary side inductor, a first secondary side inductor, a second secondary side inductor, a filter inductor, and a filter capacitor; and a synchronization inverter negative semi-cycle voltage output circuit is formed in the same way. The primary side and secondary side of the main circuit are electrically isolated, the change range of input voltage is wide, and the output voltage is commercial power voltage class (220VAC); each transformer is provided with two secondary side windings which are connected in series in an orthodromic way, and pressure equalizing thereof is implemented automatically, thus reducing voltage stress on the secondary side power switching tube; the synchronizationinverter has high power intensity, high efficiency and high reliability, is suitable for electricity generation by new energy sources such as solar energy, fuel cell and the like, and has wide applic ation prospect in medium and high-power occasions.
Description
Technical field
What the present invention relates to is a kind of synchronization inverter main circuit topology, and this circuit also can work in independent inverter mode.Belong to the converters technical field.
Background technology
The potential collision hazard of the energy and Ecological environment worsening make the countries in the world active development comprise the new forms of energy and the regenerative resource of fuel cell power generation.Along with the development and use of regenerative resource, be applicable to that inverter and fuel cell that solar array is in parallel with electrical network have obtained research widely with inverter.Because solar cell, the output voltage of each unit of fuel cell is lower, so under series connection quantity situation seldom, the input voltage of combining inverter is lower but output voltage is civil power 220Vac, combining inverter just need have the function of the lifting and the inversion of direct voltage like this.Usually combining inverter can be divided into single stage type inverter and multistage inverter according to progression.Citation form with single stage type inverter of electrical isolation function is exactly a high frequency chain inversion transformation technique, and Chinese scholars has been done big quantity research, has obtained many valuable achievements in research.Nineteen ninety-five Walker Jim has proposed a kind of single four-quadrant back exciting converter, and the transformer of back exciting converter has four groups of windings, a former limit winding, a feedback winding and two rectification windings.Inverter is made up of three MOSFET and four diodes, can four-quadrant operation.This inverter has electrical isolation, the characteristics that the input and output excursion is wide; Studied a kind of back exciting converter of novelty in the document " beam Yongchun; Sun Lin; Gong Chunying, tight Rangoon, back exciting converter research; Proceedings of the CSEE; 2005, Vol.25 (24): 85-89 ", this topological structure is simple, obtain by the two-way anti exciting converter combination of two-way, have diode composition bidirectional switch in four MOSFET and the body thereof.The various combination of the two-way anti exciting converter of two-way can be applied in DC/DC simultaneously, DC/AC, AC/AC, the AC/AC conversion is a topology combination very flexibly, and only there is a power tube high frequency chopping in each cycle of this topology, switch, conduction loss are little, and each switching mode can equivalence be anti exciting converter, simplified control and drive circuit, the reliability height.But, because its basic topology of above-mentioned single stage type inverter adopts anti exciting converter, therefore only be fit to be applied to the small-power occasion, and secondary power switch tube voltage, current stress are higher, are difficult to be applied to combining inverter.
Summary of the invention
The object of the invention is to provide in a kind of being suitable for, large-power occasions, secondary power switch tube current, the combining inverter that voltage stress is little.
A kind of synchronization inverter main circuit topology is characterized in that: it comprises first, second two two-way positive activation type converters, the parallel connection of two two-way positive activation type converter input sides, outlet side differential concatenation.
For achieving the above object, technical scheme of the present invention is, the switching device that substitutes two-transistor forward converter with the power field effect pipe of inclusion body diode obtains two-way positive activation type converter, two two-way positive activation type converter former limit parallel connections, secondary differential concatenation.
A kind of synchronization inverter main circuit topology is characterized in that: it comprises first, second two two-way positive activation type converters, the parallel connection of two two-way positive activation type converter input sides, outlet side differential concatenation; The transformer of the described first two-way positive activation type converter has first, second two secondary windings, and these two secondary windings are forward connected; The transformer of the described second two-way positive activation type converter has the 3rd, the 4 two secondary winding, and these two secondary windings are forward connected;
The described first two-way positive activation type converter comprises DC power supply, first to the 6th power switch pipe, first, second two magnetic reset diodes, the first main power transformer, the first former limit inductance, first, second two secondary inductances, first output inductor, first output filter capacitor;
Wherein, be connected in the drain electrode of first power switch pipe by dc power anode, the source electrode of first power switch pipe is connected in the end of the same name of the first main power transformer first former limit inductance, the non-same polarity of the first former limit inductance is connected in the drain electrode of second power switch pipe, and the source electrode of second power switch pipe is connected in the negative pole of DC power supply by ground wire; The first magnetic reset diode forward is connected in the drain electrode of the non-same polarity and first power switch pipe of the first main power transformer, and the second magnetic reset diode forward is connected in the source electrode of second power switch pipe and the end of the same name of the first main power transformer;
The end of the same name of first secondary inductance of the first main power transformer is connected in the source electrode of the 3rd power switch pipe, the drain electrode of the 3rd power switch pipe is connected in a side of first output inductor, the first output inductor opposite side links to each other with first output filter capacitor is anodal, the first output filter capacitor negative pole is connected in the source electrode of the 5th power switch pipe, the drain electrode of the 5th power switch pipe is connected in the non-same polarity of second secondary inductance of the first main power transformer, the end of the same name of second secondary inductance is connected in the non-same polarity of first secondary inductance, the drain electrode of the 4th power switch pipe is connected in the drain electrode of the 3rd power switch pipe, the source electrode of the 4th power switch pipe is connected in the end of the same name of second secondary inductance, the source electrode of the 6th power switch pipe is connected in the source electrode of the 5th power switch pipe, the drain electrode of the 6th power switch pipe is connected in the end of the same name of second secondary inductance, thereby has constituted the positive half cycle output circuit of combining inverter;
The described second two-way positive activation type converter comprises the 7th to the 12 power switch pipe, three, the 4 two magnetic reset diode, the second main power transformer, the second former limit inductance, three, the 4 two secondary inductance, second output inductor, two output filter capacitors;
Wherein, be connected in the drain electrode of the 8th power switch pipe by dc power anode, the end of the same name of the second former limit inductance is connected in the source electrode of the 8th power switch pipe, the drain electrode of the 7th power switch pipe is connected in the non-same polarity of the second main power transformer second former limit inductance, and the source electrode of the 7th power switch pipe is connected in the negative pole of DC power supply by ground wire; The 4th magnetic reset diode) forward is connected in the drain electrode of the non-same polarity and the 8th power switch pipe of the second main power transformer, and the 3rd magnetic reset diode forward is connected in the source electrode of the 7th power switch pipe and the end of the same name of the second main power transformer;
The end of the same name of the fourth officer limit inductance of the second main power transformer is connected in the source electrode of the 11 power switch pipe, the drain electrode of the 11 power switch pipe is connected in a side of second output inductor, the second output inductor opposite side links to each other with second output filter capacitor is anodal, the second output filter capacitor negative pole is connected in the source electrode of the 9th power switch pipe, the drain electrode of the 9th power switch pipe is connected in the non-same polarity of the 3rd secondary inductance of the second main power transformer, the end of the same name of the 3rd secondary inductance is connected in the non-same polarity of fourth officer limit inductance, the drain electrode of the 12 power switch pipe is connected in the drain electrode of the 11 power switch pipe, the source electrode of the 12 power switch pipe is connected in the end of the same name of the 3rd secondary inductance, the source electrode of the tenth power switch pipe is connected in the source electrode of the 9th power switch pipe, the drain electrode of the tenth power switch pipe is connected in the end of the same name of the 3rd secondary inductance, thereby has constituted combining inverter negative half period output circuit;
The drain electrode of first power switch pipe links to each other with the drain electrode of the 8th power switch pipe, the source electrode of second power switch pipe links to each other with the source electrode of the 7th power switch pipe, thereby the former limit circuit that has constituted between two two-way positive activation type converters connects; The negative pole of first output filter capacitor links to each other with the negative pole of second output filter capacitor, thereby the secondary circuit that has constituted between two two-way positive activation type converters connects.
Another kind of synchronization inverter main circuit topology, it is characterized in that: it comprises first, second two two-way positive activation type converters, the parallel connection of two two-way positive activation type converter input sides, outlet side differential concatenation; The transformer of the described first two-way positive activation type converter has first, second two secondary windings, and these two secondary windings are forward connected; The transformer of the described second two-way positive activation type converter has the 3rd, the 4 two secondary winding, and these two secondary windings are forward connected;
The described first two-way positive activation type converter comprises DC power supply, first to the 6th power switch pipe, first, second two magnetic reset diodes, the first main power transformer, the first former limit inductance, first, second two secondary inductances, first output inductor, first output filter capacitor;
Wherein, be connected in the drain electrode of first power switch pipe by dc power anode, the source electrode of first power switch pipe is connected in the end of the same name of the first main power transformer first former limit inductance, the non-same polarity of the first former limit inductance is connected in the drain electrode of second power switch pipe, and the source electrode of second power switch pipe is connected in the negative pole of DC power supply by ground wire; The first magnetic reset diode forward is connected in the drain electrode of the non-same polarity and first power switch pipe of the first main power transformer, and the second magnetic reset diode forward is connected in the source electrode of second power switch pipe and the end of the same name of the first main power transformer;
The end of the same name of first secondary inductance of the first main power transformer is connected in a side of first output inductor, the first output inductor opposite side links to each other with first output filter capacitor is anodal, the first output filter capacitor negative pole is connected in the source electrode of the 5th power switch pipe, the drain electrode of the 5th power switch pipe is connected in the non-same polarity of second secondary inductance of the first main power transformer, the end of the same name of second secondary inductance is connected in the source electrode of the 3rd power switch pipe, the drain electrode of the 3rd power switch is connected in the non-same polarity of first secondary inductance, the drain electrode of the 4th power switch pipe is connected in the end of the same name of first secondary inductance, the source electrode of the 4th power switch pipe is connected in the end of the same name of second secondary inductance, the source electrode of the 6th power switch pipe is connected in the source electrode of the 5th power switch pipe, the drain electrode of the 6th power switch pipe is connected in the end of the same name of second secondary inductance, thereby has constituted the positive half cycle output circuit of combining inverter;
The described second two-way positive activation type converter comprises the 7th to the 12 power switch pipe, the 3rd, the 4 two magnetic reset diode, the second main power transformer, the second former limit inductance, three, the 4 two secondary inductance, second output inductor, second output filter capacitor;
Wherein, be connected in the drain electrode of the 8th power switch pipe by dc power anode, the end of the same name of the second former limit inductance be connected in the 8th power switch pipe (source electrode, the drain electrode of the 7th power switch pipe is connected in the non-same polarity of the second main power transformer second former limit inductance, and the source electrode of the 7th power switch pipe is connected in the negative pole of DC power supply by ground wire; The 4th magnetic reset diode forward is connected in the drain electrode of the non-same polarity and the 8th power switch pipe of the second main power transformer, and the 3rd magnetic reset diode forward is connected in the source electrode of the 7th power switch pipe and the end of the same name of the second main power transformer;
The end of the same name of the fourth officer limit inductance of the second main power transformer is connected in a side of second output inductor, the second output inductor opposite side links to each other with second output filter capacitor is anodal, the second output filter capacitor negative pole is connected in the source electrode of the 9th power switch pipe, the drain electrode of the 9th power switch pipe is connected in the non-same polarity of the 3rd secondary inductance of the second main power transformer, the end of the same name of the 3rd secondary inductance is connected in the source electrode of the 11 power switch pipe, the drain electrode of the 11 power switch pipe is connected in the non-same polarity of fourth officer limit inductance, the drain electrode of the 12 power switch pipe is connected in the end of the same name of fourth officer limit inductance, the source electrode of the 12 power switch pipe is connected in the end of the same name of the 3rd secondary inductance, the tenth power switch pipe (source electrode be connected in the source electrode of the 9th power switch pipe, the drain electrode of the tenth power switch pipe is connected in the end of the same name of the 3rd secondary inductance, thereby has constituted combining inverter negative half period output circuit;
The drain electrode of first power switch pipe links to each other with the drain electrode of the 8th power switch pipe, the source electrode of second power switch pipe links to each other with the source electrode of the 7th power switch pipe, thereby the former limit circuit that has constituted between two two-way positive activation type converters connects; The negative pole of first output filter capacitor links to each other with the negative pole of second output filter capacitor, thereby the secondary circuit that has constituted between two two-way positive activation type converters connects.
Characteristics of the present invention and technique effect:
1. the former secondary high-frequency isolation of circuit reduces machine volume, and change range of input voltage is wide, output voltage is the line voltage grade, high power density, and high efficiency and high reliability are fit to generating electricity by way of merging two or more grid systems of solar energy and fuel cell;
2. transformer secondary two windings in series, automatically equalizing voltage has reduced the voltage stress of secondary power switch pipe,
3. transformer secondary two windings in series, the secondary equivalence magnetizing inductance of each winding is less, helps the transformer magnetic reset.
Description of drawings
Fig. 1 is first kind of form synchronization inverter main circuit schematic diagram;
Fig. 2 is second kind of form synchronization inverter main circuit schematic diagram, wherein the 3rd power switch pipe (S
3), the 4th power switch pipe (S
4) source electrode altogether; The 11 power switch pipe (S
11), the 12 power switch pipe (S
12) source electrode altogether.
Fig. 3 is when zero load, the operation mode in the combining inverter corresponding diagram 4 (A-D-B-C) oscillogram;
Fig. 4 is an equivalent circuit diagram (A, B, C, D) corresponding under each mode of operation of combining inverter
Designation among the figure:
11,12-is respectively first, second two-way positive activation type converter,
S
1To S
12-be respectively the first to the 12 power switch pipe,
D
1To D
12-be respectively diode in the first to the 12 power switch body,
D
13To D
16-first to fourth magnetic reset diode,
T
1, T
2Be respectively first, second main power transformer of first, second two-way positive activation type converter,
L
P1, L
S11, L
S12Be respectively the first former limit inductance of the first main power transformer, first secondary inductance, second secondary inductance,
L
P2, L
S21, L
S22Be respectively the second former limit inductance of the second main power transformer, the 3rd secondary inductance, fourth officer limit inductance,
L
F1, L
F2Be respectively first, second output inductor of first, second two-way positive activation type converter,
C
F1, C
F2Be respectively first, second output filter capacitor of first, second two-way positive activation type converter,
V
e-error voltage, V
St+-forward triangle wave voltage, V
Gs1-power switch tube S
1, S
2, S
3, S
5Driving voltage, V
Gs2-power switch tube S
7, S
8, S
9, S
11Driving voltage, V
Gs3-power switch tube S
4, S
6Driving voltage, V
Gs4-power switch tube S
10, S
12Driving voltage.
Embodiment
Fig. 1 is first kind of form synchronization inverter main circuit topology schematic diagram, and the composition of its circuit is:
The first two-way positive activation type converter 11: by DC power supply V
InPositive pole is connected in first power switch tube S
1Drain electrode, first power switch tube S
1Source electrode be connected in the first main power transformer T
1The first former limit inductance L
P1End of the same name, the first former limit inductance L
P1Non-same polarity be connected in second power switch tube S
2Drain electrode, second power switch tube S
2Source electrode be connected in DC power supply V by ground wire
InNegative pole, the first magnetic reset diode D
13Forward is connected in the first main power transformer T
1The non-same polarity and first power switch tube S
1Drain electrode, the second magnetic reset diode D
14Forward is connected in second power switch tube S
2The source electrode and the first main power transformer T
1End of the same name; The first main power transformer T
1The first secondary inductance L
S11End of the same name be connected in the 3rd power switch tube S
3Source electrode, the 3rd power switch S
3Drain electrode be connected in the first output inductor L
F1A side, the first output inductor L
F1The opposite side and the first output filter capacitor C
F1Anodal continuous, the first output filter capacitor C
F1Negative pole is connected in the 5th power switch tube S
5Source electrode, the 5th power switch tube S
5Drain electrode be connected in the first main power transformer T
1The second secondary inductance L
S12Non-same polarity, the second secondary inductance L
S12End of the same name be connected in the first secondary inductance L
S11Non-same polarity, the 4th power switch tube S
4Drain electrode be connected in the 3rd power switch tube S
3Drain electrode, the 4th power switch tube S
4Source electrode be connected in the second secondary inductance L
S12End of the same name, the 6th power switch tube S
6Source electrode be connected in the 5th power switch tube S
5Source electrode, the 6th power switch tube S
6Drain electrode be connected in the second secondary inductance L
S12End of the same name, thereby constituted the positive half cycle output circuit of combining inverter.
Wherein, the 3rd power switch tube S
3, the 4th power switch tube S
4When requiring source electrode altogether, the first secondary inductance L
S11Can with the 3rd power switch tube S
3Location swap, as shown in Figure 2.
The second two-way positive activation type converter 12: by DC power supply V
InPositive pole is connected in the 8th power switch tube S
8Drain electrode, the 8th power switch tube S
8Source electrode be connected in the second main power transformer T
2The second former limit inductance L
P2End of the same name, the second former limit inductance L
P2Non-same polarity be connected in the 7th power switch tube S
7Drain electrode, the 7th power switch tube S
7Source electrode be connected in DC power supply V by ground wire
InNegative pole, the 4th magnetic reset diode D
16Forward is connected in the second main power transformer T
2Non-same polarity and the 8th power switch tube S
8Drain electrode, the 3rd magnetic reset diode D
15Forward is connected in the 7th master power switch pipe S
7The source electrode and the second main power transformer T
2End of the same name; The second main power transformer T
2Fourth officer limit inductance L
S22End of the same name be connected in the 11 power switch tube S
11Source electrode, the 11 power switch tube S
11Drain electrode be connected in the second output inductor L
F2A side, the second output inductor L
F2The opposite side and the second output filter capacitor C
F2Anodal continuous, the second output filter capacitor C
F2Negative pole is connected in the 9th power switch tube S
9Source electrode, the 9th power switch tube S
9Drain electrode be connected in the second main power transformer T
2The 3rd secondary inductance L
S21Non-same polarity, the 3rd secondary inductance L
S21End of the same name be connected in fourth officer limit inductance L
S22Non-same polarity, the 12 power switch tube S
12Drain electrode be connected in the 11 power switch tube S
11Drain electrode, the 12 power switch tube S
12Source electrode be connected in fourth officer limit inductance L
S22Non-same polarity, the tenth power switch tube S
10Source electrode be connected in the 9th power switch tube S
9Source electrode, the tenth power switch tube S
10Drain electrode be connected in fourth officer limit inductance L
S22Non-same polarity, thereby constituted combining inverter negative half period output circuit.Wherein, the 11 power switch tube S
11, the 12 power switch tube S
12When requiring source electrode altogether, fourth officer limit inductance L
S22Can with the 11 power switch tube S
11Location swap, as shown in Figure 2.
The operation principle and the course of work:
Combining inverter essence is to form the parallel connection of former limit, secondary differential concatenation by two two-way positive activation type converter combinations.Output voltage V
o=V
O1-V
O2Work as V
O1＞V
O2The time V
o＞0, work as V
O1=V
O2The time V
o=0, work as V
O1＜V
O2The time V
o＜0, circuit has just been finished single-stage DC/AC invert function.This circuit guarantees to work as V by control
o＞0 o'clock, by first to the 6th power switch tube S
1To S
6, first, second magnetic reset diode D
13, D
14, and first main power transformer T
1The two-way positive activation type converter work of forming, and the 7th to the 12 power switch tube S
7To S
12, the 3rd, the 4th magnetic reset diode D
15, D
16, and second main power transformer T
2Do not work output voltage V
o=V
O1Otherwise the one group of work in back is not worked output voltage V for last group
o=V
O2
Because combining inverter has the four-quadrant operation ability, therefore can be with perception, capacitive, resistive and rectified load.At an output voltage in the cycle, inverter has the work of respectively corresponding four quadrants of four kinds of mode of operations, the topological structure of each mode of operation all is equivalent to a two-way positive activation type converter, and corresponding different loads, the order difference of inverter mode of operation.Concrete mode of operation is described below:
1, energy output mode (A, C)
Mode A (V
o＞0, I
o＞0)
For A pattern, power switch tube S
1, S
2High frequency chopping, S
3, S
5Synchronous rectification, S
4, S
6Synchronous freewheeling, power switch tube S
10, S
12Long logical, power switch tube S
7, S
8, S
9, S
11Turn-off; DC power supply V then
In, the first main power transformer T
1The first former limit inductance L
P1, power switch tube S
1, S
2, magnetic reset diode pipe D
13, D
14, the first main power transformer T
1First, second secondary inductance L
S11, L
S12, power switch tube S
3, S
4, S
5, S
6, the first output inductor L
F1, the first output filter capacitor C
F1, electrical network V
Ac, constitute a two-way positive activation type converter, DC power supply V
InTo electrical network V
AcTransmission of power.V wherein
o=V
O1, V
O2=0, shown in the corresponding diagram 4 (a).
Pattern C (V
o＜0, I
o＜0)
For C pattern, power switch tube S
7, S
8High frequency chopping, S
9, S
11Synchronous rectification, S
10, S
12Synchronous freewheeling, power switch tube S
4, S
6Long logical, power switch tube S
1, S
2, S
3, S
5Turn-off; DC power supply V then
In, the second main power transformer T
2The second former limit inductance L
P2, power switch tube S
7, S
8, magnetic reset diode pipe D
15, D
16, the second main power transformer T
2The 3rd, fourth officer limit inductance L
S21, L
S22, power switch tube S
9, S
10, S
11, S
12, the second output inductor L
F2, the second output filter capacitor C
F2, electrical network V
Ac, constitute a two-way positive activation type converter, DC power supply V
InTo electrical network V
AcTransmission of power.V wherein
o=V
O2, V
O1=0, shown in the corresponding diagram 4 (b).
2, energy feedback pattern (B, D)
Mode B (V
o＜0, I
o＞0)
For B pattern, power switch tube S
9, S
10, S
11, S
12High frequency chopping, S
7, S
8Synchronous rectification, power switch tube S
4, S
6Long logical, power switch tube S
1, S
2, S
3, S
5Turn-off; DC power supply V then
In, the second main power transformer T
2The second former limit inductance L
P2, power switch tube S
7, S
8, the second main power transformer T
2The 3rd, fourth officer limit inductance L
S21, L
S22, power switch tube S
9, S
10, S
11, S
12, the second output inductor L
F2, the second output filter capacitor C
F2, electrical network V
Ac, constitute a two-way positive activation type converter, electrical network V
AcTo DC power supply V
InFeedback energy.V wherein
o=V
O2, V
O1=0, shown in the corresponding diagram 4 (b).
Pattern D (V
o＞0, I
o＜0)
For D pattern, power switch tube S
3, S
4, S
5, S
6High frequency chopping, S
1, S
2Synchronous rectification, power switch tube S
10, S
12Long logical, power switch tube S
7, S
8, S
9, S
11Turn-off; DC power supply V then
In, the first main power transformer T
1The first former limit inductance L
P1, power switch tube S
1, S
2, the first main power transformer T
1First, second secondary inductance L
S11, L
S12, power switch tube S
3, S
4, S
5, S
6, the first output inductor L
F1, the first output filter capacitor C
F1, electrical network V
Ac, constitute a two-way positive activation type converter, electrical network V
AcTo DC power supply V
InFeedback energy.V wherein
o=V
O1, V
O2=0, shown in the corresponding diagram 4 (a).
When inverter band inductive load, job order is A-B-C-D, and when inverter band capacitive load, job order is A-D-C-B.
Claims (2)
1. synchronization inverter main circuit topology, it is characterized in that: it comprises first, second two two-way positive activation type converters (11,12), the parallel connection of two two-way positive activation type converter input sides, outlet side differential concatenation; The transformer of the described first two-way positive activation type converter (11) has first, second two secondary winding (L
S11, L
S12), these two secondary windings are forward connected; The transformer of the described second two-way positive activation type converter (12) has the 3rd, the 4 two secondary winding (L
S21, L
S22), these two secondary windings are forward connected;
The described first two-way positive activation type converter (11) comprises DC power supply (V
In), first to the 6th power switch pipe (S
1, S
2, S
3, S
4, S
5, S
6), first, second two magnetic reset diode (D
13, D
14), the first main power transformer (T
1), the first former limit inductance (L
P1), first, second two secondary inductance (L
S11, L
S12), the first output inductor (L
F1), the first output filter capacitor (C
F1);
Wherein, by DC power supply (V
In) positive pole is connected in the first power switch pipe (S
1) drain electrode, the first power switch pipe (S
1) source electrode be connected in the first main power transformer (T
1) the first former limit inductance (L
P1) end of the same name, the first former limit inductance (L
P1) non-same polarity be connected in the second power switch pipe (S
2) drain electrode, the second power switch pipe (S
2) source electrode be connected in DC power supply (V by ground wire
In) negative pole; The first magnetic reset diode (D
13) forward is connected in the first main power transformer (T
1) the non-same polarity and the first power switch pipe (S
1) drain electrode, the second magnetic reset diode (D
14) forward is connected in the second power switch pipe (S
2) the source electrode and the first main power transformer (T
1) end of the same name;
The first main power transformer (T
1) the first secondary inductance (L
S11) end of the same name be connected in the 3rd power switch pipe (S
3) source electrode, the 3rd power switch pipe (S
3) drain electrode be connected in the first output inductor (L
F1) a side, the first output inductor (L
f) opposite side and the first output filter capacitor (C
F1) anodal continuous, the first output filter capacitor (C
F1) negative pole is connected in the 5th power switch pipe (S
5) source electrode, the 5th power switch pipe (S
5) drain electrode be connected in the first main power transformer (T
1) the second secondary inductance (L
S12) non-same polarity, the second secondary inductance (L
S12) end of the same name be connected in the first secondary inductance (L
S11) non-same polarity, the 4th power switch pipe (S
4) drain electrode be connected in the 3rd power switch pipe (S
3) drain electrode, the 4th power switch pipe (S
4) source electrode be connected in the second secondary inductance (L
S12) end of the same name, the 6th power switch pipe (S
6) source electrode be connected in the 5th power switch pipe (S
5) source electrode, the 6th power switch pipe (S
6) drain electrode be connected in the second secondary inductance (L
S12) end of the same name, thereby constituted the positive half cycle output circuit of combining inverter;
The described second two-way positive activation type converter (12) comprises the 7th to the 12 power switch pipe (S
7, S
8, S
9, S
10, S
11, S
12), the 3rd, the 4 two magnetic reset diode (D
15, D
16), the second main power transformer (T
2), the second former limit inductance (L
P2), the 3rd, the 4 two secondary inductance (L
S21, L
S22), the second output inductor (L
F2), the second output filter capacitor (C
F2);
Wherein, by DC power supply (V
In) positive pole is connected in the 8th power switch pipe (S
8) drain electrode, the second former limit inductance (L
P2) end of the same name be connected in the 8th power switch pipe (S
8) source electrode, the 7th power switch pipe (S
7) drain electrode be connected in the second main power transformer (T
2) the second former limit inductance (L
P2) non-same polarity, the 7th power switch pipe (S
7) source electrode be connected in DC power supply (V by ground wire
In) negative pole; The 4th magnetic reset diode (D
16) forward is connected in the second main power transformer (T
2) non-same polarity and the 8th power switch pipe (S
8) drain electrode, the 3rd magnetic reset diode (D
15) forward is connected in the 7th power switch pipe (S
7) the source electrode and the second main power transformer (T
2) end of the same name;
The second main power transformer (T
2) fourth officer limit inductance (L
S22) end of the same name be connected in the 11 power switch pipe (S
11) source electrode, the 11 power switch pipe (S
11) drain electrode be connected in the second output inductor (L
F2) a side, the second output inductor (L
F2) opposite side and the second output filter capacitor (C
F2) anodal continuous, the second output filter capacitor (C
F2) negative pole is connected in the 9th power switch pipe (S
9) source electrode, the 9th power switch pipe (S
9) drain electrode be connected in the second main power transformer (T
2) the 3rd secondary inductance (L
S21) non-same polarity, the 3rd secondary inductance (L
S21) end of the same name be connected in fourth officer limit inductance (L
S22) non-same polarity, the 12 power switch pipe (S
12) drain electrode be connected in the 11 power switch pipe (S
11) drain electrode, the 12 power switch pipe (S
12) source electrode be connected in the 3rd secondary inductance (L
S21) end of the same name, the tenth power switch pipe (S
10) source electrode be connected in the 9th power switch pipe (S
9) source electrode, the tenth power switch pipe (S
10) drain electrode be connected in the 3rd secondary inductance (L
S21) end of the same name, thereby constituted combining inverter negative half period output circuit;
First power switch pipe (the S
1) drain electrode and the 8th power switch pipe (S
8) drain electrode link to each other the second power switch pipe (S
2) source electrode and the 7th power switch pipe (S
7) source electrode link to each other, thereby the former limit circuit that has constituted between two two-way positive activation type converters (11,12) connects; First output filter capacitor (the C
F1) the negative pole and the second output filter capacitor (C
F2) negative pole link to each other, thereby the secondary circuit that has constituted between two two-way positive activation type converters (11,12) connects.
2. synchronization inverter main circuit topology, it is characterized in that: it comprises first, second two two-way positive activation type converters (11,12), the parallel connection of two two-way positive activation type converter input sides, outlet side differential concatenation; The transformer of the described first two-way positive activation type converter (11) has first, second two secondary winding (L
S11, L
S12), these two secondary windings are forward connected; The transformer of the described second two-way positive activation type converter (12) has the 3rd, the 4 two secondary winding (L
S21, L
S22), these two secondary windings are forward connected;
The described first two-way positive activation type converter (11) comprises DC power supply (V
In), first to the 6th power switch pipe (S
1, S
2, S
3, S
4, S
5, S
6), first, second two magnetic reset diode (D
13, D
14), the first main power transformer (T
1), the first former limit inductance (L
P1), first, second two secondary inductance (L
S11, L
S12), the first output inductor (L
F1), the first output filter capacitor (C
F1);
Wherein, by DC power supply (V
In) positive pole is connected in the first power switch pipe (S
1) drain electrode, the first power switch pipe (S
1) source electrode be connected in the first main power transformer (T
1) the first former limit inductance (L
P1) end of the same name, the first former limit inductance (L
P1) non-same polarity be connected in the second power switch pipe (S
2) drain electrode, the second power switch pipe (S
2) source electrode be connected in DC power supply (V by ground wire
In) negative pole; The first magnetic reset diode (D
13) forward is connected in the first main power transformer (T
1) the non-same polarity and the first power switch pipe (S
1) drain electrode, the second magnetic reset diode (D
14) forward is connected in the second power switch pipe (S
2) the source electrode and the first main power transformer (T
1) end of the same name;
The first main power transformer (T
1) the first secondary inductance (L
S11) end of the same name be connected in the first output inductor (L
F1) a side, the first output inductor (L
F1) opposite side and the first output filter capacitor (C
F1) anodal continuous, the first output filter capacitor (C
F1) negative pole is connected in the 5th power switch pipe (S
5) source electrode, the 5th power switch pipe (S
5) drain electrode be connected in the first main power transformer (T
1) the second secondary inductance (L
S12) non-same polarity, the second secondary inductance (L
S12) end of the same name be connected in the 3rd power switch pipe (S
3) source electrode, the 3rd power switch (S
3) drain electrode be connected in the first secondary inductance (L
S11) non-same polarity, the 4th power switch pipe (S
4) drain electrode be connected in the first secondary inductance (L
S11) end of the same name, the 4th power switch pipe (S
4) source electrode be connected in the second secondary inductance (L
S12) end of the same name, the 6th power switch pipe (S
6) source electrode be connected in the 5th power switch pipe (S
5) source electrode, the 6th power switch pipe (S
6) drain electrode be connected in the second secondary inductance (L
S12) end of the same name, thereby constituted the positive half cycle output circuit of combining inverter;
The described second two-way positive activation type converter (12) comprises the 7th to the 12 power switch pipe (S
7, S
8, S
9, S
10, S
11, S
12), the 3rd, the 4 two magnetic reset diode (D
15, D
16), the second main power transformer (T
2), the second former limit inductance (L
P2), the 3rd, the 4 two secondary inductance (L
S21, L
S22), the second output inductor (L
F2), the second output filter capacitor (C
F2);
Wherein, by DC power supply (V
In) positive pole is connected in the 8th power switch pipe (S
8) drain electrode, the second former limit inductance (L
P2) end of the same name be connected in the 8th power switch pipe (S
8) source electrode, the 7th power switch pipe (S
7) drain electrode be connected in the second main power transformer (T
2) the second former limit inductance (L
P2) non-same polarity, the 7th power switch pipe (S
7) source electrode be connected in DC power supply (V by ground wire
In) negative pole; The 4th magnetic reset diode (D
16) forward is connected in the second main power transformer (T
2) non-same polarity and the 8th power switch pipe (S
8) drain electrode, the 3rd magnetic reset diode (D
15) forward is connected in the 7th power switch pipe (S
7) the source electrode and the second main power transformer (T
2) end of the same name;
The second main power transformer (T
2) fourth officer limit inductance (L
S22) end of the same name be connected in the second output inductor (L
F2) a side, the second output inductor (L
F2) opposite side and the second output filter capacitor (C
F2) anodal continuous, the second output filter capacitor (C
F2) negative pole is connected in the 9th power switch pipe (S
9) source electrode, the 9th power switch pipe (S
9) drain electrode be connected in the second main power transformer (T
2) the 3rd secondary inductance (L
S21) non-same polarity, the 3rd secondary inductance (L
S21) end of the same name be connected in the 11 power switch pipe (S
11) source electrode, the 11 power switch pipe (S
11) drain electrode be connected in fourth officer limit inductance (L
S22) non-same polarity, the 12 power switch pipe (S
12) drain electrode be connected in fourth officer limit inductance (L
S22) end of the same name, the 12 power switch pipe (S
12) source electrode be connected in the 3rd secondary inductance (L
S21) end of the same name, the tenth power switch pipe (S
10) source electrode be connected in the 9th power switch pipe (S
9) source electrode, the tenth power switch pipe (S
10) drain electrode be connected in the 3rd secondary inductance (L
S21) end of the same name, thereby constituted combining inverter negative half period output circuit;
First power switch pipe (the S
1) drain electrode and the 8th power switch pipe (S
8) drain electrode link to each other the second power switch pipe (S
2) source electrode and the 7th power switch pipe (S
7) source electrode link to each other, thereby the former limit circuit that has constituted between two two-way positive activation type converters (11,12) connects; First output filter capacitor (the C
F1) the negative pole and the second output filter capacitor (C
F2) negative pole link to each other, thereby the secondary circuit that has constituted between two two-way positive activation type converters (11,12) connects.
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|---|---|---|---|
| CN2008102439060A CN101552569B (en) | 2008-12-10 | 2008-12-10 | Synchronization inverter main circuit topology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102439060A CN101552569B (en) | 2008-12-10 | 2008-12-10 | Synchronization inverter main circuit topology |
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| CN101552569B true CN101552569B (en) | 2011-03-16 |
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| CN102013810A (en) * | 2010-12-30 | 2011-04-13 | 南京航空航天大学 | Double-circuit double-tube forward shock combined converter with output midpoint |
| CN102013809A (en) * | 2010-12-30 | 2011-04-13 | 南京航空航天大学 | Double-line double-tube normal shock direct current converter with transformer with two secondary sides |
| CN103208935A (en) * | 2012-01-14 | 2013-07-17 | 牟英峰 | Low-common-mode-noise grid-connected inverter circuit and reactive power control method |
| CN106533165B (en) * | 2017-01-06 | 2019-11-08 | 深圳市核达中远通电源技术股份有限公司 | Voltage-sharing circuit for converter |
| CN107733268A (en) * | 2017-11-15 | 2018-02-23 | 哈尔滨理工大学 | The Sofe Switch isolated inverter and method of a kind of quick response |
| CN108173441A (en) | 2018-01-09 | 2018-06-15 | 青岛大学 | Series connection while forward DC chopper-type single-stage multi input annulus inverter in high frequency of powering |
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| CN1794537A (en) * | 2006-01-06 | 2006-06-28 | 清华大学 | Electric network power oscillation inhibitor based on photovoltaic battery |
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| CN1794537A (en) * | 2006-01-06 | 2006-06-28 | 清华大学 | Electric network power oscillation inhibitor based on photovoltaic battery |
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