CN103107699A - High transformation ratio direct current-direct current boosting type converter - Google Patents
High transformation ratio direct current-direct current boosting type converter Download PDFInfo
- Publication number
- CN103107699A CN103107699A CN2013100645524A CN201310064552A CN103107699A CN 103107699 A CN103107699 A CN 103107699A CN 2013100645524 A CN2013100645524 A CN 2013100645524A CN 201310064552 A CN201310064552 A CN 201310064552A CN 103107699 A CN103107699 A CN 103107699A
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- winding
- coupling inductance
- unilateral diode
- positive pole
- power switch
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Abstract
The invention provides a high transformation ratio direct current-direct current boosting type converter which has high boosting capacity and belongs to the field of power conversion in power electronic technology. The converter comprises two power switch tubes, two coupling inductors, four unilateral diodes, three output capacitors and one clamp capacitor, wherein the two coupling inductors are respectively provided with two windings. The converter has large boosting ratio and low switch voltage stress and has the obvious advantages of being small in input current ripple, low in output voltage ripple, simple in structure, convenient to control and the like, and therefore the converter is extremely suitable for renewable energy power generation systems such as photovoltaic/fuel cells in future.
Description
Technical field
The present invention relates to be hypermutation than the topological structure of DC-DC voltage boosting code converter, belong to power conversion field in power electronic technology.
Technical background
DC-DC voltage boosting converter is widely applied at industrial circles such as photovoltaic or fuel cell grid-connected system and electric automobiles.although conventional BOOST converter or two-phase crisscross parallel BOOST converter all have boost function, but their output voltage gain less, the voltage stress of switch equals output voltage, when front end DC source input voltage is low, although can recently realize larger output voltage by the conducting duty that improves switch in theory, but can reduce so on the one hand the efficient of converter, on the other hand when duty ratio increases to a certain scope, impact due to other parasitic factor in power inductance and circuit, the further rising of capital restriction output voltage, the situation that output voltage descends on the contrary even appears.Therefore research has the DC-DC voltage boosting code converter of the higher no-load voltage ratio of boosting, low switch voltage stress, has important theory significance and practical value.
Summary of the invention:
The object of the invention is to solve above-mentioned problems of the prior art, a kind of hypermutation is proposed than DC-DC voltage boosting code converter, it is characterized in that: 1) staggered input and output structure can reduce the input current ripple, improves output voltage to the no-load voltage ratio of input voltage; 2) utilize the secondary of two coupling inductances voltage doubling unit that consists of of connecting further to obtain the higher no-load voltage ratio of boosting; 3) stress of power tube is low, is very beneficial for circuit and selects low pressure, high-speed switching device to reduce the conduction loss of circuit, improves the performance of circuit; 4) leakage inductance of coupling inductance can reduce the reverse recovery loss of diode.
Technical scheme
The present invention is achieved by the following technical solutions:
Comprise two power switch pipe (S
1, S
2), two coupling inductance (T
1, T
2), four unilateral diode (D
1, D
2, D
3, D
4), three output capacitance (C
1, C
2, C
3), a clamp capacitor (C
4), first coupling inductance (T
1) two winding (L are arranged
1a, L
1b), second coupling inductance (T
2) two winding (L are arranged
2a, L
2b), the first coupling inductance (T
1) the first winding (L
1a) an end connect direct-current input power supplying (V
in) positive pole, the first coupling inductance (T
1) the first winding (L
1a) the other end and the first power switch pipe (S
1) drain electrode and the first unilateral diode (D
1) anode be connected, the second coupling inductance (T
2) the first winding (L
2a) an end connect direct-current input power supplying (V
in) positive pole, the second coupling inductance (T
2) the first winding (L
2a) the other end and the second power switch pipe (S
2) drain electrode and the second output capacitance (C
2) positive pole be connected, the first power switch pipe (S
1) source electrode and direct-current input power supplying (V
in) negative pole be connected, the second power switch pipe (S
2) source electrode and direct-current input power supplying (V
in) negative pole and the second unilateral diode (D
2) negative electrode be connected, the first unilateral diode (D
1) negative electrode and the 3rd output capacitance (C
3) negative pole, the first coupling inductance (T
1) the second winding (L
1b) an end, the 3rd unilateral diode (D
3) anode and the first output capacitance (C
1) positive pole be connected, the second unilateral diode (D
2) anode and the second output capacitance (C
2) negative terminal and the negative terminal of output be connected, the first coupling inductance (T
1) the second winding (L
1b) the other end and the second coupling inductance (T
2) the second winding (L
2b) an end be connected, the second coupling inductance (T
2) the second winding (L
2b) the other end and clamp capacitor (C
4) negative pole be connected, clamp capacitor (C
4) positive pole and the 3rd unilateral diode (D
3) negative electrode and the 4th unilateral diode (D
4) anode be connected, the 4th unilateral diode (D
4) negative electrode and the 3rd electric capacity (C
3) positive pole and the positive pole of output be connected; Above-mentioned the first coupling inductance (T
1) the first winding (L
1a) and direct-current input power supplying (V
in) positive pole be connected end and the first coupling inductance (T
1) the second winding (L
1b) and the first unilateral diode (D
1) the negative electrode end that is connected be Same Name of Ends; The second coupling inductance (T
2) the first winding (L
2a) and direct-current input power supplying (V
in) positive pole be connected end and the second coupling inductance (T
2) the second winding (L
2b) and the 4th electric capacity (C
4) the negative pole end that is connected be Same Name of Ends.
During work, the first coupling inductance (T
1), the first power switch pipe (S
1), the first unilateral diode (D
1), the first electric capacity (C
1) and the second coupling inductance (T
2), the second power switch pipe (S
2), the second unilateral diode (D
2), the second electric capacity (C
2) cross structure that consists of not only can reduce the input current ripple, and have higher voltage gain than traditional crisscross parallel BOOST circuit; By the first coupling inductance (T
1) the second winding (L
1b), the second coupling inductance (T
2) the second winding (L
2b), the 4th electric capacity (C
4), the 3rd unilateral diode (D
3) voltage doubling unit that consists of can further improve the no-load voltage ratio of boosting; In addition, the voltage stress of two power switch pipes also can effectively be reduced, and is very beneficial for circuit and selects low on-resistance, high-speed switching device to improve the performance of circuit.
Beneficial effect:
Compared with prior art the present invention has following beneficial effect: 1) staggered input, export structure can reduce the input current ripple, improves output voltage to the no-load voltage ratio of input voltage; 2) utilize the voltage doubling unit of the secondary formation of coupling inductance can make circuit obtain the higher no-load voltage ratio of boosting; 3) can effectively reduce the voltage stress of power tube, the power device that is very beneficial for selecting low on-resistance, high switching speed improves the overall efficiency of circuit to reduce the loss of circuit.
Description of drawings
Fig. 1 is that hypermutation of the present invention is than the topology diagram of DC-DC voltage boosting code converter.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, the present invention is described in further detail: the present embodiment is implemented under take technical solution of the present invention as prerequisite, has provided execution mode and the course of work, but protection scope of the present invention is not limited to following embodiment.
Comprise two power switch pipe (S
1, S
2), two coupling inductance (T
1, T
2), four unilateral diode (D
1, D
2, D
3, D
4), three output capacitance (C
1, C
2, C
3), a clamp capacitor (C
4), two coupling inductance (T
1, T
2) two windings are arranged respectively.First coupling inductance (T
1) two winding (L are arranged
1a, L
1b), second coupling inductance (T
2) two winding (L are arranged
2a, L
2b), the first coupling inductance (T
1) the first winding (L
1A) a end connects direct-current input power supplying (V
in) positive pole, the first winding (L of the first coupling inductance
1a) the other end and the first power switch pipe (S
1) drain electrode and the first diode (D
1) anode be connected, the second coupling inductance (T
2) the first winding (L
2a) an end connect direct-current input power supplying (V
in) positive pole, the second coupling inductance (T
2) the first winding (L
2a) the other end and the second power switch pipe (S
2) drain electrode and the second output capacitance (C
2) positive pole be connected, the first power switch pipe (S
1) source electrode and direct-current input power supplying (V
in) negative pole be connected, the second power switch pipe (S
2) source electrode and direct-current input power supplying (V
in) negative pole and the second unilateral diode (D
2) negative electrode be connected, the first unilateral diode (D
1) negative electrode and the 3rd output capacitance (C
3) negative pole, the second winding (L of the first coupling inductance
1b) an end, the 3rd unilateral diode (D
3) anode and the first output capacitance (C
1) positive pole be connected, the second unilateral diode (D
2) anode and the second output capacitance (C
2) negative pole and the negative pole end of output Vo be connected, the first coupling inductance (T
1) the second winding (L
1b) the other end and the second coupling inductance (T
2) the second winding (L
2b) an end be connected, the second coupling inductance (T
2) the second winding (L
2b) the other end and clamp capacitor (C
4) negative pole be connected, clamp capacitor (C
4) positive terminal and the 3rd unilateral diode (D
3) negative electrode and the anode of the 4th unilateral diode be connected, the 4th unilateral diode (D
4) negative electrode and the 3rd output capacitance (C
3) positive pole anodal and output Vo be connected; Above-mentioned the first coupling inductance (T
1) the first winding (L
1a) and direct-current input power supplying (V
in) positive pole be connected end and the first coupling inductance (T
1) the second winding (L
1b) and the first unilateral diode (D
1) the negative electrode end that is connected is Same Name of Ends; The second coupling inductance (T
2) the first winding (L
2a) and direct-current input power supplying (V
in) positive pole be connected end and the second coupling inductance (T
2) the second winding (L
2b) and clamp capacitor (C
4) the negative pole end that is connected be Same Name of Ends.
Hypermutation exists four kinds of steady operation states, that is: the first power switch pipe (S when working than DC-DC voltage boosting code converter
1) conducting and the second power switch pipe (S
2) operating state of turn-offing; The first power switch pipe (S
1) conducting and the second power switch pipe (S
2) operating state of conducting; The first power switch pipe (S
1) turn-off and the second power switch pipe (S
2) operating state of conducting; The first power switch (S
1) conducting and the second power switch pipe (S
2) operating state of conducting.
The first power switch pipe (S
1) conducting and the second power switch pipe (S
2) operating state of turn-offing:
In this operating state, the first unilateral diode (D
1), the 4th unilateral diode (D
4) turn-off the second unilateral diode (D
2), the 3rd unilateral diode (D
3) conducting; The first coupling inductance (T
1) the first winding (L
1a) the voltage at two ends equal direct-current input power supplying (V
in) voltage, the first coupling inductance (T
1) the first winding (L
1a) on linear rising of electric current, input power (V
in) energy to the first coupling inductance (T
1) the first winding (L
1a) transmit; Input power (V
in) and the second coupling inductance (T
2) the first winding (L
2a) energy to the second output capacitance (C
2) transmit the second coupling inductance (T
2) the first winding (L
2a) on linear decline of electric current; The first output capacitance (C
1), the second output capacitance (C
2), the 3rd output capacitance (C
3) simultaneously again to output load (R
L) energy is provided; The first coupling inductance (T
1) the second winding (L
1b) and the second coupling inductance (T
2) the second winding (L
2b) by the 3rd unilateral diode (D
3) to clamp capacitor (C
4) energy is provided.
The first power switch pipe (S
1) conducting and the second power switch pipe (S
2) operating state of conducting:
In this operating state, the first unilateral diode (D
1), the second unilateral diode (D
2), the 3rd unilateral diode (D
3) and the 4th unilateral diode (D
4) all turn-off; Direct-current input power supplying (V
in) to the first coupling inductance (T
1) the first winding (L
1a) and the second winding (L of the second coupling inductance (T2)
2a) transmitting energy, the first coupling inductance (T flows through
1) the first winding (L
1a) and the second coupling inductance (T
2) the second winding (L
2a) equal linear risings of electric current.The first output capacitance (C
1), the second output capacitance (C
2) and the 3rd output capacitance (C
3) simultaneously to output load (R
L) energy is provided.
The first power switch pipe (S
1) turn-off and the second power switch pipe (S
2) operating state of conducting:
In this state, the first unilateral diode (D
1) and the 4th unilateral diode (D
4) conducting, the second unilateral diode (D
2) and the 3rd unilateral diode (D
3) turn-off; Direct-current input power supplying (V
in) to the second coupling inductance (T
2) the first winding (L
2a) transferring energy, the second coupling inductance (T flows through
2) the first winding (L
2a) linear rising of electric current; Direct-current input power supplying (V
in), the first coupling inductance (T
1) the first winding (L
1a) to the first output capacitance (C
1) makeup energy, the first coupling inductance (T flows through
1) the first winding (L
1a) the electric current linearity reduce; The first coupling inductance (T
1) the second winding (L
1b), the second coupling inductance (T
2) the second winding (L
2b) and clamp capacitor (C
4) to the 3rd output capacitance (C
3) provide energy, the first electric capacity (C simultaneously
1), the second output capacitance (C
2) and the 3rd output capacitance (C
3) Voltage Series, keep the stable of output voltage and to output load (R
L) energy is provided.
The first power switch (S
1) conducting and the second power switch pipe (S
2) operating state of conducting:
In this operating state, the first unilateral diode (D
1), the second unilateral diode (D
2), the 3rd unilateral diode (D
3) and the 4th unilateral diode (D
4) all turn-off; Direct-current input power supplying (V
in) to the first coupling inductance (T
1) the first winding (L
1a) and the second coupling inductance (T
2) the second winding (L
2a) transmitting energy, the first coupling inductance (T flows through
1) the first winding (L
1a) and the second coupling inductance (T
2) the second winding (L
2a) equal linear risings of electric current.The first output capacitance (C
1), the second output capacitance (C
2) and the 3rd output capacitance (C
3) simultaneously to output load (R
L) energy is provided.
Claims (1)
1. a hypermutation than DC-DC voltage boosting code converter, is characterized in that: comprise two power switch pipe (S
1, S
2), two coupling inductance (T
1, T
2), four unilateral diode (D
1, D
2, D
3, D
4), three output capacitance (C
1, C
2, C
3), a clamp capacitor (C
4), the first coupling inductance (T
1) two winding (L are arranged
1a, L
1b), the second coupling inductance (T
2) two winding (L are arranged
2a, L
2b), the first coupling inductance (T
1) the first winding (L
1a) an end connect direct-current input power supplying (V
in) positive pole, the first coupling inductance (T
1) the first winding (L
1a) the other end and the first power switch pipe (S
1) drain electrode and the first unilateral diode (D
1) anode be connected, the second coupling inductance (T
2) the first winding (L
2a) an end connect direct-current input power supplying (V
in) positive pole, the second coupling inductance (T
2) the first winding (L
2a) the other end and the second power switch pipe (S
2) drain electrode and the second output capacitance (C
2) positive pole be connected, the first power switch pipe (S
1) source electrode and direct-current input power supplying (V
in) negative pole be connected, the second power switch pipe (S
2) source electrode and direct-current input power supplying (V
in) negative pole and the second unilateral diode (D
2) negative electrode be connected, the first unilateral diode (D
1) negative electrode and the 3rd output capacitance (C
3) negative pole, the first coupling inductance (T
1) the second winding (L
1b) an end, the 3rd unilateral diode (D
3) anode and the first output capacitance (C
1) positive pole be connected, the second unilateral diode (D
2) anode and the second output capacitance (C
2) negative terminal and the negative terminal of output be connected, the first coupling inductance (T
1) the second winding (L
1b) the other end and the second coupling inductance (T
2) the second winding (L
2b) an end be connected, the second coupling inductance (T
2) the second winding (L
2b) the other end and clamp capacitor (C
4) negative pole be connected, clamp capacitor (C
4) positive pole and the 3rd unilateral diode (D
3) negative electrode and the 4th unilateral diode (D
4) anode be connected, the 4th unilateral diode (D
4) negative electrode and the 3rd electric capacity (C
3) positive pole and the positive pole of output be connected; Above-mentioned the first coupling inductance (T
1) the first winding (L
1a) and direct-current input power supplying (V
in) positive pole be connected end and the first coupling inductance (T
1) the second winding (L
1b) and the first unilateral diode (D
1) the negative electrode end that is connected be Same Name of Ends; The second coupling inductance (T
2) the first winding (L
2a) and direct-current input power supplying (V
in) positive pole be connected end and the second coupling inductance (T
2) the second winding (L
2b) and the 4th electric capacity (C
4) the negative pole end that is connected be Same Name of Ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100645524A CN103107699A (en) | 2013-03-01 | 2013-03-01 | High transformation ratio direct current-direct current boosting type converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100645524A CN103107699A (en) | 2013-03-01 | 2013-03-01 | High transformation ratio direct current-direct current boosting type converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103107699A true CN103107699A (en) | 2013-05-15 |
Family
ID=48315325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013100645524A Pending CN103107699A (en) | 2013-03-01 | 2013-03-01 | High transformation ratio direct current-direct current boosting type converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103107699A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103633835A (en) * | 2013-11-14 | 2014-03-12 | 华南理工大学 | DC-DC (Direct Current to Direct Current) converter with high efficiency, high gain and low voltage and current stresses |
| CN108736707A (en) * | 2018-07-27 | 2018-11-02 | 国网辽宁省电力有限公司铁岭供电公司 | A kind of BOOST converter with switched inductors structure |
| CN115498874A (en) * | 2022-11-16 | 2022-12-20 | 深圳市恒运昌真空技术有限公司 | Superposition type converter based on coupling inductor and control method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060012348A1 (en) * | 2000-04-27 | 2006-01-19 | Qun Zhao | Coupled inductor DC/DC converter |
| CN101702578A (en) * | 2009-12-07 | 2010-05-05 | 浙江大学 | Forward-flyback isolated type boost inverter realized by coupling inductors and application thereof |
| CN101714815A (en) * | 2009-12-14 | 2010-05-26 | 浙江大学 | Boost type converter for realizing high-gain voltage multiplication by coupling inductors |
-
2013
- 2013-03-01 CN CN2013100645524A patent/CN103107699A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060012348A1 (en) * | 2000-04-27 | 2006-01-19 | Qun Zhao | Coupled inductor DC/DC converter |
| CN101702578A (en) * | 2009-12-07 | 2010-05-05 | 浙江大学 | Forward-flyback isolated type boost inverter realized by coupling inductors and application thereof |
| CN101714815A (en) * | 2009-12-14 | 2010-05-26 | 浙江大学 | Boost type converter for realizing high-gain voltage multiplication by coupling inductors |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103633835A (en) * | 2013-11-14 | 2014-03-12 | 华南理工大学 | DC-DC (Direct Current to Direct Current) converter with high efficiency, high gain and low voltage and current stresses |
| CN103633835B (en) * | 2013-11-14 | 2016-04-13 | 华南理工大学 | The DC-DC converter of High-efficiency high-gain low-voltage current stress |
| CN108736707A (en) * | 2018-07-27 | 2018-11-02 | 国网辽宁省电力有限公司铁岭供电公司 | A kind of BOOST converter with switched inductors structure |
| CN115498874A (en) * | 2022-11-16 | 2022-12-20 | 深圳市恒运昌真空技术有限公司 | Superposition type converter based on coupling inductor and control method thereof |
| CN115498874B (en) * | 2022-11-16 | 2023-02-03 | 深圳市恒运昌真空技术有限公司 | Superposition type converter based on coupling inductor and control method thereof |
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Application publication date: 20130515 |