CN111245253A - 双开关斩控调压高变补偿式交流稳压电源 - Google Patents
双开关斩控调压高变补偿式交流稳压电源 Download PDFInfo
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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
双开关斩控调压高变补偿式交流稳压电源，它有单相和三相两种，单相由2个双向开关S1和S2、高频变压器T、2个耦合电感Z1和Z2、1个电感L、5个电容C1～C4和C及其控制电路组成，由斩波开关S1、耦合电感Z1绕组W1和W2、电容C1和C2、T的绕组W11和W2、电感L、电容C组成1个正向补偿电压调节电路。由斩波开关S2、耦合电感Z2绕组W1和W2、电容C1和C2、T的绕组W12和W2、电感L、电容C组成1个反向补偿电压调节电路。其输出变压器T既是倒相变压器又是补偿变压器，本发明与同一发明人发明的交流斩波双向调节补偿电压的交流稳压电源相比，就节省一个工频倒相自耦变压器，并用高频变压器替代工频变压器，具有重量轻和体积小等优势，有社会效益和经济效益。
Description
[一]技术领域
本发明涉及斩控调压使用高频变补偿变压器补偿电压的补偿式交流稳压电源。
[二]背景技术
交流斩控调压的补偿式交流稳压电源具有连续无级无触点调压精度高性价比高等优点，是目前补偿式交流稳压电源的发展方向，同一发明人的多种四开关斩控调压高变和工变补偿式交流稳压电源，存在着双向开关多的缺点，同一发明人发明的交流斩波双向调节补偿电压的交流稳压电源：ZL201420450037.4，虽减小了两个双向开关，但多了一个带中心抽头的自耦倒相变压器，需要倒相和补偿两个工频变压器，因此，存在着体积大重量重的缺点。去年同一发明人发明的无续流开关的降压交流斩波调压电路(申请号201910787600.X)，为补偿式交流稳压电源只用1个变压器创造条件。
[三]发明内容
本发明的目的发明只有一个高频变压器的补偿式交流稳压电源。
为了实现上述目的本发明的双开关斩控调压高变补偿式交流稳压电源，它有单相和三相两种，单相由2个双向开关S1和S2、高频变压器T、2个耦合电感Z1和Z2、1个电感L、5个电容C1～C4和C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、电容C一端、T的W2一端连接，T的W2另一端(4)与电感L一端连接，第一稳压输出端(3)与电感L另一端、电容C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W2一端(6)与电容C1一端、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，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，T的W12另一端(10)与电容C4另一端、Z2的W2一端连接，第二交流输入端(2)与第二稳压输出端、电容C1另一端、电容C3另一端、Z1的W2另一端、Z2的W2另一端连接。
由上述3个单相双开关斩控调压高变补偿式交流稳压电源星形连接组成三相交流稳压电源，有3个交流输入端(A1、B1、C1)，3个稳压输出端(A2、B2、C2)，1个交流输入和稳压输出的公共端(N)。
四]附图说明
附图1是本发明的单相双开关斩控调压高变补偿式交流稳压电源。附图2是本发明的三相交流稳压电源。其中：S1、S2、S1A、S2A、S1B、S2B、S1C、S2C是双向全控开关、T1、TA、TS、TC是高频变压器、W11、W12和W4是T的初级和次级绕组，Z1、Z2、Z1A、Z1B、Z1C、Z2A、Z2B、Z2C是耦合变压器，W1和W2耦合电感的绕组，V1～V4是三极管，D1～D4是二极管，C、C1～C4是电容，L是电感。
[五]具体实施方式
由附图1可知：双向开关S1由二极管D1、D2和2个三极管V1、V2组成，双向开关S2由二极管D3、D4和2个三极管V3、V4组成，耦合电感Z1和Z2都有2个高频绕组W1、W2，高频变压器T有2个初级绕组W11、W12和1个次级绕组W2。Z1的2个绕组W1、W2与2个电容C1、C2交叉连接组成一个续流回路，Z2的2个绕组W1、W2与2个电容C3、C4交叉连接组成另一个续流回路。其工作原理如下：
a)由斩波开关S1、耦合电感Z1绕组W1和W2、电容C1和C2、T的绕组W11和W2、电感L、电容C组成1个无续流管的交流斩波正向补偿电压调节电路。在S1通态时，5点高电位，S1→Z1的W1→T的W11→Z1的W2有电流，同时电容C1和C2通过Z1的W1和W2充电储能。在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，T的初级绕组W11上获得由开关S1斩波的脉冲电压，T的次级绕组W2上感应的高频脉冲电压经电感L电容C滤波后，获得的补偿电压u13与输入电压u12相位相同，控制开关S1通断比达到所需的正向补偿电压。
b)由斩波开关S2、耦合电感Z2绕组W1和W2、电容C3和C4、T的初次级绕组W12和W2、电感L电容C组成另1个无续流管的交流斩波反向补偿电压调节电路，在S1通态时，8点高电位，S2→Z2的W1→T的W12→Z2的W2有电流，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W1和T的W12回路消除W1上自感电势的能量。因此，T的初级绕组W12上获得由开关S2斩波的脉冲电压，T的次级绕组W2上感应的高频脉冲电压经电感L电容C滤波后，获得的补偿电压u13与输入电压u12相位相反，控制开关S2通断比达到所需的反向补偿电压。
由上可知，在输入电压低于稳压电压时，自动调节开关S1的通断比就能达到稳压。在输入电压高低稳压电压时，自动调节开关S2的通断比就能达到稳压，
附图2所示的三相双开关斩控调压高变补偿式交流稳压电源，它是将附图1所示的3个单相双开关斩控调压高变补偿式交流稳压电源星形连接组成，它有3个三极交流输入端(AI、B1、C1)、3个三相交流稳压输出端(A2、B2、C2)和1个输入输出公共端(N)。
本发明中的双向开关S1和S2还可用4个二极管和1个三极管组成。本发明与同一发明人发明的交流斩波双向调节补偿电压的交流稳压电源相比，不但节省了一个带中心抽头的工频自耦变压器，还用高频变压器替代了工频补偿变压器，具有体积小重重轻优点。
Claims (2)
1.双开关斩控调压高变补偿式交流稳压电源，它有单相和三相两种，单相由2个双向开关S1和S2、高频变压器T、2个耦合电感Z1和Z2、1个电感L、5个电容C1～C4和C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、电容C一端、T的W2一端连接，T的W2另一端(4)与电感L一端连接，第一稳压输出端(3)与电感L另一端、电容C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W2一端(6)与电容C1一端、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，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，T的W12另一端(10)与电容C4另一端、Z2的W2一端连接，第二交流输入端(2)与第二稳压输出端、电容C1另一端、电容C3另一端、Z1的W2另一端、Z2的W2另一端连接。
2.依据权利要求1所述的双开关斩控调压高变补偿式交流稳压电源，包括权利要求1所述的3个单相双开关斩控调压高变补偿式交流稳压电源，特征在于：3个单相双开关斩控调压高变补偿式交流稳压电源星形连接成1个三相交流稳压电源，有3个交流输入端(A1、B1、C1)，3个稳压输出端(A2、B2、C2)，1个交流输入和稳压输出公共端(N)。
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