CN103368418A - Three-phase rectifying voltage doubling circuit - Google Patents
Three-phase rectifying voltage doubling circuit Download PDFInfo
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- CN103368418A CN103368418A CN2013102854793A CN201310285479A CN103368418A CN 103368418 A CN103368418 A CN 103368418A CN 2013102854793 A CN2013102854793 A CN 2013102854793A CN 201310285479 A CN201310285479 A CN 201310285479A CN 103368418 A CN103368418 A CN 103368418A
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Abstract
The invention provides a three-phase voltage doubling rectifying and rectifying voltage doubling circuit, which comprises a positive output end and a negative output end. The three-phase voltage doubling rectifying circuit also comprises a first diode, a second diode, a third diode and a fourth diode, wherein the first diode and the third diode are serially connected between the positive output end and the negative output end, and in addition, an anode of the first diode is connected with a cathode of the third diode to form a public end for receiving the first phase voltage. The second diode and the fourth diode are serially connected between the positive output end and the negative output end, and in addition, an anode of the second diode is connected with a cathode of the fourth diode to form a public end for receiving the second phase voltage. The three-phase voltage doubling rectifying circuit also comprises a first capacitor and a second capacitor, the first capacitor and the second capacitor are serially connected between the positive output end and the negative output end, and in addition, the public end receives the third phase voltage. The circuit is applicable to the power supply input condition, and the transformer boosting or the coil serial connection is not needed.
Description
Technical field
The present invention relates to the electronics tandem circuit, particularly a three phase mains rectification multiple pressuring circuit.
Background technology
Single-phase voltage multiplying rectifier tandem circuit is a kind of traditional voltage doubling rectifing circuit.The single-phase voltage multiplying rectifier tandem circuit of this kind is when cockcroft-walton voltage multiplier, because the structure of circuit, multiplication of voltage electric capacity at different levels have also limited the output DC flow valuve in multiplication of voltage, make it can not be used for large electric current and/or high-tension application scenario.So single-phase voltage multiplying rectifier tandem circuit only has and utilizes first step-up transformer to improve voltage when being used for the application scenario of high voltage, large electric current, again it is carried out rectification.
Therefore, the present invention proposes three-phase voltage doubling rectifing circuit, single-phase rectifier voltage-multiplying circuit and three phase rectifier voltage-multiplying circuit, to realize high voltage, high power DC output, such circuit need not the transformer boosted voltage.The present invention has set up three-phase multiplication of voltage tandem circuit, single-phase rectifier voltage-multiplying circuit, sets up three phase rectifier N level multiplication of voltage tandem circuit, for various inversion high-tension circuits are laid a good foundation.Three class circuit of the realization voltage multiplying rectifier function that the present invention proposes are applicable multiple power source initial conditions all, need not that transformer boosts or the coil series connection.
Summary of the invention
The present invention proposes three phase rectifier, voltage-multiplying circuit and three-phase voltage doubling rectifing circuit.Solved the problem that voltage doubling rectifing circuit of the prior art can not be used for the high-tension application scenario of large electric current.
Technical scheme of the present invention is achieved in that
A kind of three phase rectifier voltage-multiplying circuit, described three phase rectifier voltage-multiplying circuit comprises positive output end and negative output terminal, described three-phase voltage doubling rectifing circuit also comprises the first diode, the second diode, the 3rd diode and the 4th diode, wherein, described the first diode and described the 3rd diode are connected in series between described positive output end and the described negative output terminal, and the anodic bonding of described the first diode to the negative electrode of described the 3rd diode receives first-phase voltage to form common port; Described the second diode and described the 4th diode are connected in series between described positive output end and the described negative output terminal, and the anodic bonding of described the second diode to the negative electrode of described the 4th diode receives second-phase voltage to form common port; And first capacitor and the second capacitor, described the first capacitor and described the second capacitor's seriesu are connected between described positive output end and the described negative output terminal, and its common port receives third phase voltage.
Alternatively, described three-phase voltage doubling rectifing circuit also comprises the 3rd capacitor and the 4th capacitor, and wherein, described the 3rd capacitor and described the 4th capacitor's seriesu are connected between described positive output end and the described negative output terminal
Alternatively, described the 3rd capacitor and the 4th capacitor are polar capacitor.
A kind of multistage single-phase bridge rectification voltage-multiplying circuit, it is characterized in that, comprise N base unit, wherein, N is the integer greater than 2, and a described N base unit includes the first diode, the second diode, the 3rd diode and the 4th diode, wherein, described the first diode and described the 3rd diode are connected in series between the positive output end and negative output terminal of described base unit, and the anodic bonding of described the first diode to the negative electrode of described the 3rd diode receives supply voltage to form common port; Described the second diode and described the 4th diode are connected in series between the positive output end and negative output terminal of described base unit, and the anodic bonding of described the second diode to the negative electrode of described the 4th diode to form common port to be connected to earth terminal; And output capacitor, described output capacitor is connected between the positive output end and negative output terminal of described base unit; Wherein, the negative output terminal of rear one-level base unit is connected to the positive output end of previous stage base unit.
Alternatively, second level base unit to the N level base unit also respectively comprises two capacitors, one of them capacitor is connected between the common port and described input power of described the first diode and described the 3rd diode, and another capacitor is connected between the common port and earth terminal of described the second diode and described the 4th diode.
Alternatively, described output capacitor is polar capacitor.
A kind of multistage three-phase bridge rectification voltage-multiplying circuit, it is characterized in that, comprise M base unit, wherein, M is the integer greater than 2, and a described M base unit includes the first diode, the second diode, the 3rd diode, the 4th diode, the 5th diode and the 6th diode, wherein, described the first diode and described the 3rd diode are connected in series between the positive output end and negative output terminal of described base unit, and the anodic bonding of described the first diode to the negative electrode of described the 3rd diode receives first-phase voltage to form common port; Described the second diode and described the 4th diode are connected in series between the positive output end and negative output terminal of base unit, and the anodic bonding of described the second diode to the negative electrode of described the 4th diode receives second-phase voltage to form common port; Described the 5th diode and described the 6th diode are connected in series between the positive output end and negative output terminal of base unit, and the anodic bonding of described the 5th diode to the negative electrode of described the 6th diode receives third phase voltage to form common port; And output capacitor, described output capacitor is connected between the positive output end and negative output terminal of described base unit; Wherein, the negative output terminal of rear one-level base unit is connected to the positive output end of previous stage base unit.
Alternatively, second level base unit to the M level base unit also respectively comprises three capacitors, wherein first capacitor is connected between the common port and described first-phase voltage of described the first diode and described the 3rd diode, and second capacitor is connected between the common port and described second-phase voltage of described the second diode and described the 4th diode; The 3rd capacitor is connected between the common port and described third phase voltage of described the 5th diode and described the 6th diode.
Alternatively, described output capacitor is polar capacitor.
The realization voltage multiplying rectifier that the present invention proposes and three class circuit of rectification and voltage multiplier function are applicable multiple power source initial conditions all, need not that transformer boosts or the coil series connection.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 illustrates the three-phase voltage doubling rectifing circuit 10 according to one embodiment of the invention;
Fig. 2 illustrates three grades of single-phase bridge rectification voltage-multiplying circuits 20 according to one embodiment of the invention;
Fig. 3 illustrates three grades of three-phase bridge rectification voltage-multiplying circuits 30 according to one embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
Fig. 1 illustrates the three-phase voltage doubling rectifing circuit 10 according to one embodiment of the invention.As shown in Figure 1, three-phase voltage doubling rectifing circuit 10 comprises diode D1～D4 and capacitor C1～C4.Wherein, diode D1 and D3 are connected in series between the positive output end and negative output terminal of three-phase voltage doubling rectifing circuit 10, and the anodic bonding of diode D1 to the negative electrode of diode D3 receives the A phase voltage to form common port; Diode D2 and D4 are connected in series between positive output end and the negative output terminal, and the anodic bonding of diode D2 to the negative electrode of diode D4 receives the B phase voltage to form common port; Capacitor C1 and C2 are connected in series between positive output end and the negative output terminal, and its common port receives the C phase voltage; Capacitor C3 and C4 are connected in series between positive output end and the negative output terminal.
At an embodiment, the amplitude of establishing the line voltage between each phase is 380V, i.e. U
AB=U
BC=U
CA=380V, and the frequency of establishing line voltage is 50Hz～60Hz.At first, regard AB or AC as single-phase input, then when A was positive half cycle mutually, it was to capacitor C1 charging, until the charging voltage peak value of capacitor C1 reaches
When A is negative half period mutually, to capacitor C2 charging, until the charging voltage peak value of capacitor C2 reaches
Therefore, when one-period finished, through the multiplication of voltage effect of capacitor C1 and C2, three-phase voltage doubling rectifing circuit 10 obtained
VD.As seen, the output voltage of three-phase voltage doubling rectifing circuit 10 is more than 2 times of three-phase bridge rectifier circuit.
In the embodiment shown in fig. 1, capacitor C1 and C2 also have filter action except the multiplication of voltage effect.And capacitor C3 and C4 carry out filtering to circuit again after circuit carries out rectification.In other embodiments, three-phase voltage doubling rectifing circuit 10 can be removed capacitor C3 and C4, and utilizes separately capacitor C1 and C2 that circuit is carried out filtering.In another embodiment, capacitor C3 and C4 are polar capacitor.
As seen, the three-phase voltage doubling rectifing circuit 10 of utilizing the present invention to propose, its output voltage is 2 times of three-phase bridge rectifier circuit, the output current of its output current and three-phase bridge rectifier circuit is suitable, and its waveform is better than the waveform of three-phase bridge rectifier circuit.
Fig. 2 illustrates three grades of single-phase bridge rectification voltage-multiplying circuits 20 according to one embodiment of the invention.As shown in Figure 2, three grades of single-phase bridge rectification voltage-multiplying circuits 20 comprise rectification and voltage multiplier base unit (being designated hereinafter simply as base unit) U21, U22 and U23.Base unit U21, U22 and U23 include diode D1～D4 and capacitor COUT.Wherein, diode D1 and D3 are connected in series between the positive output end and negative output terminal of base unit, and the anodic bonding of diode D1 to the negative electrode of diode D3 receives single-phase voltage A to form common port; Diode D2 and D4 are connected in series between the positive output end and negative output terminal of base unit, and the anodic bonding of diode D2 to the negative electrode of diode D4 receives single-phase voltage A to form common port; Capacitor COUT is connected between the positive output end and negative output terminal of base unit.Base unit U22 and U23 also comprise two capacitor C, and a capacitor C is connected between the common port and input voltage A of diode D1 and D3, and another capacitor C is connected between the common port and earth terminal of diode D2 and D4.The negative output terminal of base unit U22 is connected to the positive output end of base unit U21, and the negative output terminal of base unit U23 is connected to the positive output end of base unit U22.
As shown in Figure 2, input voltage A inputs to the tie point of the diode brachium pontis of single-phase bridge rectification voltage-multiplying circuits at different levels.Wherein, for base unit U21, input voltage A is directly inputted into the tie point of its diode brachium pontis; For base unit U22 and U23, input voltage A inputs to the tie point of its diode brachium pontis through capacitor C.The power supply of base unit U21 after rectification upwards connected with base unit U22, and the power supply of base unit U22 after rectification upwards connected with base unit U23.Therefore, the DC power supply after rectifications at different levels has formed higher voltage through accumulative total.In three grades of single-phase bridge rectification voltage-multiplying circuits 20, capacitor C has prevented input power through rectifier bridge and direct short-circuit.The capacity of capacitor C can calculate selection according to load.Since the input parallel connection a plurality of capacitor C, and the capacity of capacitor C is selected according to power requirement, therefore, three grades of single-phase bridge rectification voltage-multiplying circuit 20 exportable large electric currents.
Three grades of single-phase bridge rectification voltage-multiplying circuits 20 shown in Figure 2 also may instead be three-phase or polyphase circuit, also are applicable to low frequency or high frequency input power.
In one embodiment, capacitor C is non-polar condenser.
Those skilled in the art are to be understood that, in embodiment illustrated in fig. 2, single-phase bridge rectification voltage-multiplying circuit 20 has three grades, and namely single-phase bridge rectification voltage-multiplying circuit 20 is coupled by three base units and forms, yet, in other embodiments, the single-phase bridge rectification voltage-multiplying circuit can be coupled by the N level and form, and wherein, N is the integer greater than 1, for example, N can be 2 or 4.
As seen, three grades of single-phase bridge rectification voltage-multiplying circuits that utilize the present invention to propose can obtain higher output voltage and larger output current.
Fig. 3 illustrates three grades of three-phase bridge rectification voltage-multiplying circuits 30 according to one embodiment of the invention.As shown in Figure 3, three grades of three-phase bridge rectification voltage-multiplying circuits 30 comprise rectification and voltage multiplier base unit (being designated hereinafter simply as base unit) U31, U32 and U33.Base unit U31, U32 and U33 include diode D1～D6 and capacitor COUT.Wherein, diode D1 and D3 are connected in series between the positive output end and negative output terminal of base unit, and the anodic bonding of diode D1 to the negative electrode of diode D3 receives single-phase voltage A to form common port; Diode D2 and D4 are connected in series between the positive output end and negative output terminal of base unit, and the anodic bonding of diode D2 to the negative electrode of diode D4 receives single-phase voltage B to form common port; Diode D5 and D6 are connected in series between the positive output end and negative output terminal of base unit, and the anodic bonding of diode D5 to the negative electrode of diode D6 receives single-phase voltage C to form common port; Capacitor COUT is connected between the positive output end and negative output terminal of base unit.Base unit U22 and U23 also comprise three capacitor C, a capacitor C is connected between the common port and input voltage A of diode D1 and D3, a capacitor C is connected between the common port and input voltage B of diode D2 and D4, and a capacitor C is connected between the common port and input voltage C of diode D5 and D6.The negative output terminal of base unit U22 is connected to the positive output end of base unit U21, and the negative output terminal of base unit U23 is connected to the positive output end of base unit U22.
With three grades of single-phase bridge rectification voltage-multiplying circuits 20 shown in Figure 2 similarly, but three grades of three-phase bridge rectification voltage-multiplying circuits 30 shown in Figure 3 also are applicable to low frequency high frequency input power.And in one embodiment, capacitor C is non-polar condenser.
With three grades of single-phase bridge rectification voltage-multiplying circuits 20 shown in Figure 2 similarly, three grades of three-phase bridge rectification voltage-multiplying circuits that utilize the present invention to propose can obtain higher output voltage and larger output current.
Those skilled in the art are to be understood that, in the embodiment shown in fig. 3, three-phase bridge rectification voltage-multiplying circuit 30 has three grades, and namely three-phase bridge rectification voltage-multiplying circuit 30 is coupled by three base units and forms, yet, in other embodiments, the three-phase bridge rectification voltage-multiplying circuit can be coupled by the M level and form, and wherein, M is the integer greater than 1, for example, M can be 2 or 4.The above only is preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. three-phase voltage doubling rectifing circuit, described three-phase voltage doubling rectifing circuit comprises positive output end and negative output terminal, it is characterized in that, described three-phase voltage doubling rectifing circuit also comprises:
The first diode, the second diode, the 3rd diode and the 4th diode, wherein, described the first diode and described the 3rd diode are connected in series between described positive output end and the described negative output terminal, and the anodic bonding of described the first diode to the negative electrode of described the 3rd diode receives first-phase voltage to form common port; Described the second diode and described the 4th diode are connected in series between described positive output end and the described negative output terminal, and the anodic bonding of described the second diode to the negative electrode of described the 4th diode receives second-phase voltage to form common port; And
The first capacitor and the second capacitor, described the first capacitor and described the second capacitor's seriesu are connected between described positive output end and the described negative output terminal, and its common port receives third phase voltage.
2. three-phase voltage doubling rectifing circuit as claimed in claim 1, it is characterized in that, described three-phase voltage doubling rectifing circuit also comprises the 3rd capacitor and the 4th capacitor, and wherein, described the 3rd capacitor and described the 4th capacitor's seriesu are connected between described positive output end and the described negative output terminal.
3. three-phase voltage doubling rectifing circuit as claimed in claim 2 is characterized in that, described the 3rd capacitor and the 4th capacitor are polar capacitor.
4. a multistage single-phase bridge rectification voltage-multiplying circuit is characterized in that, comprises N base unit, and wherein, N is the integer greater than 2, and a described N base unit includes:
The first diode, the second diode, the 3rd diode and the 4th diode, wherein, described the first diode and described the 3rd diode are connected in series between the positive output end and negative output terminal of described base unit, and the anodic bonding of described the first diode to the negative electrode of described the 3rd diode receives supply voltage to form common port; Described the second diode and described the 4th diode are connected in series between the positive output end and negative output terminal of described base unit, and the anodic bonding of described the second diode to the negative electrode of described the 4th diode to form common port to be connected to earth terminal; And
Output capacitor, described output capacitor are connected between the positive output end and negative output terminal of described base unit;
Wherein, the negative output terminal of rear one-level base unit is connected to the positive output end of previous stage base unit.
5. multistage single-phase bridge rectification voltage-multiplying circuit as claimed in claim 4, it is characterized in that, second level base unit to the N level base unit also respectively comprises two capacitors, one of them capacitor is connected between the common port and described input power of described the first diode and described the 3rd diode, and another capacitor is connected between the common port and earth terminal of described the second diode and described the 4th diode.
6. multistage single-phase bridge rectification voltage-multiplying circuit as claimed in claim 4 is characterized in that, described output capacitor is polar capacitor.
7. a multistage three-phase bridge rectification voltage-multiplying circuit is characterized in that, comprises M base unit, and wherein, M is the integer greater than 2, and a described M base unit includes:
The first diode, the second diode, the 3rd diode, the 4th diode, the 5th diode and the 6th diode, wherein, described the first diode and described the 3rd diode are connected in series between the positive output end and negative output terminal of described base unit, and the anodic bonding of described the first diode to the negative electrode of described the 3rd diode receives first-phase voltage to form common port; Described the second diode and described the 4th diode are connected in series between the positive output end and negative output terminal of base unit, and the anodic bonding of described the second diode to the negative electrode of described the 4th diode receives second-phase voltage to form common port; Described the 5th diode and described the 6th diode are connected in series between the positive output end and negative output terminal of base unit, and the anodic bonding of described the 5th diode to the negative electrode of described the 6th diode receives third phase voltage to form common port; And
Output capacitor, described output capacitor are connected between the positive output end and negative output terminal of described base unit;
Wherein, the negative output terminal of rear one-level base unit is connected to the positive output end of previous stage base unit.
8. multistage three-phase bridge rectification voltage-multiplying circuit as claimed in claim 7, it is characterized in that, second level base unit to the M level base unit also respectively comprises three capacitors, wherein first capacitor is connected between the common port and described first-phase voltage of described the first diode and described the 3rd diode, and second capacitor is connected between the common port and described second-phase voltage of described the second diode and described the 4th diode; The 3rd capacitor is connected between the common port and described third phase voltage of described the 5th diode and described the 6th diode.
9. multistage single-phase bridge rectification voltage-multiplying circuit as claimed in claim 7 is characterized in that, described output capacitor is polar capacitor.
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| CN2013102854793A CN103368418A (en) | 2013-07-08 | 2013-07-08 | Three-phase rectifying voltage doubling circuit |
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Cited By (6)
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| CN103731045A (en) * | 2014-01-17 | 2014-04-16 | 中国航空工业集团公司北京航空制造工程研究所 | High voltage power supply |
| CN104052318A (en) * | 2014-06-19 | 2014-09-17 | 大连理工常州研究院有限公司 | Low-voltage three-phase-input buck-boost DC power device |
| CN105048827A (en) * | 2015-07-01 | 2015-11-11 | 国家电网公司 | Voltage multiplying rectification circuit |
| CN105490561A (en) * | 2015-12-29 | 2016-04-13 | 陕西迪泰克新材料有限公司 | Micro high voltage power supply module for nuclear radiation detector |
| CN106160515A (en) * | 2016-08-09 | 2016-11-23 | 浙江万胜智能科技股份有限公司 | A kind of three-phase and four-line voltage multiplying rectifier power circuit |
| CN112511021A (en) * | 2020-12-15 | 2021-03-16 | 电子科技大学 | Rectifying and voltage stabilizing circuit and power supply equipment |
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| CN105490561A (en) * | 2015-12-29 | 2016-04-13 | 陕西迪泰克新材料有限公司 | Micro high voltage power supply module for nuclear radiation detector |
| CN106160515A (en) * | 2016-08-09 | 2016-11-23 | 浙江万胜智能科技股份有限公司 | A kind of three-phase and four-line voltage multiplying rectifier power circuit |
| CN112511021A (en) * | 2020-12-15 | 2021-03-16 | 电子科技大学 | Rectifying and voltage stabilizing circuit and power supply equipment |
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Application publication date: 20131023 |