CN111245252A - 双开关交流斩波变压器输出的双向调压电路 - Google Patents
双开关交流斩波变压器输出的双向调压电路 Download PDFInfo
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- CN111245252A CN111245252A CN202010277066.0A CN202010277066A CN111245252A CN 111245252 A CN111245252 A CN 111245252A CN 202010277066 A CN202010277066 A CN 202010277066A CN 111245252 A CN111245252 A CN 111245252A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
- H02M5/02—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc
- H02M5/04—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters
- H02M5/22—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M5/275—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M5/293—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
- H02M5/02—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc
- H02M5/04—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters
- H02M5/10—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using transformers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
- H02M5/02—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc
- H02M5/04—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters
- H02M5/22—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M5/275—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M5/293—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M5/2932—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage, current or power
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Abstract
本发明属于电力电子科学领域交流斩波双向调压基础电路。双开关交流斩波变压器输出的双向调压电路，它由2个双向开关S1和S2、1个高频或工频输出变压器T、2个耦合电感Z1、Z2、4个或6个电容C1～C4或C1～C6及其控制电路组成，Z1和Z2有绕组W1、W2绕在同一磁芯上，T有2个初级绕组W11、W12和1个次级绕组W2，变压器T倒相，调节一个开关S1通断比实现正向调压，调节另一开关S2通断比实现反向调压，它用于补偿式交流稳压电源时，其输出变压器T可做是补偿变压器，与龚氏半桥双向调压电路应用于补偿式交流稳压电源相比，就节省一个工频倒相自耦变压器，具有成本低，重量轻和体积小等优势，具有较大社会和经济效益。
Description
[一]技术领域
本发明涉及交流斩波双向调压电路，尤其是涉及到用二个全控双向开关的双向调压电路。
[二]背景技术
交流斩波双向调压电路是现代连续、无级无触点、高性能补偿式交流稳压电源和UPS电源最重要关键核心技术。现有六开关、五开关、四开关、三开关、双开关四大类交流斩波双向调压电路，同一发明人在2018年1期<电源学报>上发表的龚氏半桥和全桥双向调节原理中发明的双开关和四开关双向调节原理，前者双开关龚氏半桥双向调压电路中需要两个串联交流电源前前提才能实现输出双向电压调压，并且调压范为仅为输入电压的一半。同一发明人去年发明用一个全控开关、1个耦合电感和2个或3个电容的斩波调压电路(发明申请号：201910787600.X)，为发明新的双向调压电路奠定了基础。
[三]发明内容
本发明的目的是要发明一种用2个无续流管斩波电路实现双向调压的电路。
为实现上述的目的，本发明的双开关交流斩波变压器输出的双向调压电路，它由2个全双向开关S1和S2、1个高频或工频输出变压器T、2个耦合电感Z1、Z2、4个或6个电容C1～C4或C1～C6及其控制电路组成，其特征在于：Z1和Z2有绕组W1、W2绕在同一磁芯上，T有2个初级绕组W11、W12和1个次级绕组W2，第一交流输入端(1)与开关S1一端、开关S2一端连接，开关S1另一端(5)与Z1的W1一端、电容C2一端连接，Z1的W2另一端(6)与电容C1一端、T的W11一端连接，或与电容C1一端、电容C5一端、T的W11一端连接，W11另一端(7)与电容C2另一端、Z1的W2一端连接，或与电容C2另一端、电容C5另一端、Z1的W2一端连接，开关S2另一端(8)与Z2的W1一端、电容C4一端连接，Z2的W1另一端(9)与电容C3一端、T的W12一端连接，或与电容C3一端、电容C6一端、T的W12一端连接，W12另一端(10)与电容C4另一端、Z2的W2一端连接，或与电容C4另一端、电容C6另一端、Z2的W2一端连接，第二交流输入端(2)与电容C1另一端、电容C3另一端连接，第一调压输出端(3)与T的W2一端连接，第二调压输出端(4)与T的W2另一端连接。
上述发明用变压器T实现倒相，耦合电感Z1和Z2分别还可用2个独立电感L1、L2和L3、L4替代作用相同。
[四]附图说明
附图1本发明的第一个双向调压电路。附图2是本发明的第二双向调压电路。其中：S1、S2全双向开关，D1～D4是二极管，V1～V4是三极管，T是高频或工频输出变压器，W1、W2是Z1和Z2的绕组，W11、W12和W2是T的初纵绕组和次级绕组.
[五]具体实施方式 由附图1可知：它由2个全双向开关S1和S2、1个高频输出变压器T、2个耦合电感Z1、Z2、4个电容C1～C4及其控制电路组成，T是1个有初级绕组W11、W12和次级绕组W2组成的高频输出变压器，Z1有两个绕组W1、W2，Z2有两个绕组W1、W2，S1由2个由二极管D1、D2和2个三极管V1、V2组成，S2由S2由2个二极管D3、D4和2个三极管V3、V4组成。其双向调压原理如下：
a)由斩波开关S1、耦合电感Z1绕组W1和W2、电容C1和C2、T的初级绕组W11组成1个无续流管的交流斩波调压电路，S1通态时，5点高电位，S1→Z1的W1→T的W11→Z1的W2有电流，T的W2两端(3、4)输出与输入同相的可调电压，同时电容C1和C2通过Z1的W1和W2充电储能。S1断态时，C1储能通过Z1的W2和T的W11回路消除W2上自感电势的能量，C2储能通过Z1的W1和T的W11回路消除W1上自感电势的能量，因此不用续流管。
b)由斩波开关S2、耦合电感Z2绕组W1和W2、电容C3和C4、T的初级绕组W12组成另1个无续流管的交流斩波调压电路，S1通态时，8点高电位，S2→Z2的W1→T的W12→Z2的W2有电流，T的W2两端(3、4)输出与输入反相的可调电压，同时电容C3和C4通过Z2的W1和W2充电储能。S2断态时，C3储能通过Z2的W2和T的W12回路消除W2上自感电势的能量，C4储能通过Z2的W2和T的W12回路消除W1上自感电势的能量，因此不用续流管。
由附图1中变压器T的3个绕组W11、W12和W2同名端标志可知：本发明是用变压器倒相的，采用调节一个双向开关S1通断比，调节正向输出电压，采用调节另一个双向开关S2通断比，调节反向输出电压。双向开关S1和S2，还可4个二极管和1个三极管组成。
附图2可知：它由2个双向开关S1和S2、1个工频输出变压器T、2个耦合电感Z1、Z2、6个电容C1～C6及其控制电路组成，它与附图1的区别是；图2增添2个滤波电容C5和C6分别与T的两个初级绕组W11和W12并联，因此，T的W11和W12两端电压是与输入电压波形相同的可调电压，因此，T的高频磁芯也换成工频铁芯，变压器T就是工频输出变压器。其双向调压原理与附图1相类似。
本发明的双开关交流斩波变压器输出的双向调压电路应用于补偿式交流稳压电源时，其输出变压器T可做是补偿变压器，与龚氏半桥双向调压电路应用于补偿式交流稳压电源相比，就节省一个工频倒相自耦变压器，具有成本低，重量轻和体积小等优势，具有较大社会效益和经济效益。
Claims (2)
1.双开关交流斩波变压器输出的双向调压电路，它由2个双向开关S1和S2、1个高频或工频输出变压器T、2个耦合电感Z1、Z2、4个或6个电容C1～C4或C1～C6及其控制电路组成，其特征在于：Z1和Z2有绕组W1、W2绕在同一磁芯上，T有2个初级绕组W11、W12和1个次级绕组W2，第一交流输入端(1)与开关S1一端、开关S2一端连接，开关S1另一端(5)与Z1的W1一端、电容C2一端连接，Z1的W2另一端(6)与电容C1一端、T的W11一端连接，或与电容C1一端、电容C5一端、T的W11一端连接，W11另一端(7)与电容C2另一端、Z1的W2一端连接，或与电容C2另一端、电容C5另一端、Z1的W2一端连接，开关S2另一端(8)与Z2的W1一端、电容C4一端连接，Z2的W1另一端(9)与电容C3一端、T的W12一端连接，或与电容C3一端、电容C6一端、T的W12一端连接，W12另一端(10)与电容C4另一端、Z2的W2一端连接，或与电容C4另一端、电容C6另一端、Z2的W2一端连接，第二交流输入端(2)与电容C1另一端、电容C3另一端连接，第一调压输出端(3)与T的W2一端连接，第二调压输出端(4)与T的W2另一端连接。
2.依据权利要求1所述的双开关交流斩波变压器输出的双向调压电路，其特征在于：变压器T倒相，耦合电感Z1和Z2可用独立电感L1、L2和L3、L4替代。
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