CN107733213A - A kind of high-gain half-bridge impedance network converter - Google Patents
A kind of high-gain half-bridge impedance network converter Download PDFInfo
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Classifications
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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
- H02M1/00—Details of apparatus for conversion
- H02M1/10—Arrangements incorporating converting means for enabling loads to be operated at will from different kinds of power supplies, e.g. from AC or DC
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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
- H02M3/00—Conversion of DC power input into DC power output
- H02M3/02—Conversion of DC power input into DC power output without intermediate conversion into AC
- H02M3/04—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters
- H02M3/10—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of DC power input into DC power output without intermediate conversion into AC 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
- H02M3/155—Conversion of DC power input into DC power output without intermediate conversion into AC 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
- H02M3/156—Conversion of DC power input into DC power output without intermediate conversion into AC 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 or current, e.g. switching regulators
- H02M3/158—Conversion of DC power input into DC power output without intermediate conversion into AC 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 or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
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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
- H02M7/00—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output
- H02M7/42—Conversion of DC power input into AC power output without possibility of reversal
- H02M7/44—Conversion of DC power input into AC power output without possibility of reversal by static converters
- H02M7/48—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/53—Conversion of DC power input into AC power output without possibility of reversal 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
- H02M7/537—Conversion of DC power input into AC power output without possibility of reversal 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, e.g. single switched pulse inverters
- H02M7/5387—Conversion of DC power input into AC power output without possibility of reversal 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, e.g. single switched pulse inverters in a bridge configuration
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- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
Abstract
本发明公开了一种高增益半桥阻抗网络变换器,包括直流电源、二极管、第一电容、第二电容、第三电容、第一开关管、第二开关管及三绕组耦合电感,与现有的电力电子变压器的结构相比,本申请提供的高增益半桥阻抗网络变换器的结构决定了其不会发生直通现象,安全性高;另外,本申请可以通过改变第一开关管和第二开关管的占空比、第一电感、第二电感和第三电感的匝数来调节该变压器的输出电压,得到升降压可调的交流输出或者升降压可调的直流输出,适用范围广,控制简单,效率高,成本低且体积小。
The invention discloses a high-gain half-bridge impedance network converter, which includes a DC power supply, a diode, a first capacitor, a second capacitor, a third capacitor, a first switch tube, a second switch tube and a three-winding coupling inductor. Compared with the structure of some power electronic transformers, the structure of the high-gain half-bridge impedance network converter provided by this application determines that it will not have a through phenomenon and has high safety; in addition, this application can change the first switching tube and the second The duty cycle of the two switching tubes, the number of turns of the first inductor, the second inductor and the third inductor are used to adjust the output voltage of the transformer, and obtain an adjustable AC output for buck-boost or DC output with adjustable buck-boost. Wide range, simple control, high efficiency, low cost and small size.
Description
技术领域technical field
本发明涉及变能量转换技术领域,特别是涉及一种高增益半桥阻抗网络变换器。The invention relates to the technical field of variable energy conversion, in particular to a high-gain half-bridge impedance network converter.
背景技术Background technique
由于传统变压器的低转换效率及较大的体积,电力电子变压器近几年得到了飞速发展。然而,现有的电力电子变压器仍存在较多的技术难题,请参照图1,图1为现有技术中的一种电力电子变压器的结构示意图,现有技术中的电力电子变压器通常有如下缺点:Due to the low conversion efficiency and large volume of traditional transformers, power electronic transformers have developed rapidly in recent years. However, there are still many technical problems in existing power electronic transformers. Please refer to FIG. 1, which is a schematic structural diagram of a power electronic transformer in the prior art. Power electronic transformers in the prior art usually have the following disadvantages :
1)电力电子变压器的同一桥臂上的开关管交替导通的过程中若因为误触发导致同时开通时,会损坏开关管甚至烧毁电源,对电路造成较大的影响。1) If the switching tubes on the same bridge arm of the power electronic transformer are turned on alternately due to false triggering, the switching tubes will be damaged or even the power supply will be burned, which will have a great impact on the circuit.
2)现有的电力电子变压器通常只能完成降压逆变,当需要升压时,需额外在前级加入一级升压电路,或者在输出端加入变压器以提高输出电压,但在前级加入一级升压电路会导致整体电路的控制变得复杂且效率低,若在输出端加入变压器会增大电路的体积和成本。2) Existing power electronic transformers can usually only complete step-down inverters. When boosting is required, an additional step-up circuit must be added to the front stage, or a transformer should be added to the output end to increase the output voltage. Adding a first-stage boost circuit will lead to complex control of the overall circuit and low efficiency, and adding a transformer at the output end will increase the size and cost of the circuit.
3)现有技术中的电力电子变压器无法既能实现可控交流输出,又能实现直流输出,适用范围窄。3) The power electronic transformer in the prior art cannot realize both controllable AC output and DC output, and its application range is narrow.
因此,如何提供一种解决上述技术问题的方案是本领域技术人员目前需要解决的问题。Therefore, how to provide a solution to the above technical problems is a problem that those skilled in the art need to solve at present.
发明内容Contents of the invention
本发明的目的是提供一种高增益半桥阻抗网络变换器,本申请提供的高增益半桥阻抗网络变换器的结构决定了其不会发生直通现象,安全性高;另外,本申请可以通过改变第一开关管和第二开关管的占空比、第一电感、第二电感和第三电感的匝数来调节该变压器的输出电压,得到升降压可调的交流输出或者升降压可调的直流输出,适用范围广,控制简单,效率高,成本低且体积小。The purpose of the present invention is to provide a high-gain half-bridge impedance network converter. The structure of the high-gain half-bridge impedance network converter provided by the application determines that it will not have a straight-through phenomenon and has high security; in addition, the application can pass Change the duty cycle of the first switch tube and the second switch tube, the number of turns of the first inductor, the second inductor and the third inductor to adjust the output voltage of the transformer, and obtain an adjustable AC output or buck-boost Adjustable DC output, wide application range, simple control, high efficiency, low cost and small size.
为解决上述技术问题,本发明提供了一种高增益半桥阻抗网络变换器,包括直流电源、二极管、第一电容、第二电容、第三电容、第一开关管、第二开关管及三绕组耦合电感,其中:所述直流电源的正极分别与所述第一电容的第一端及所述二极管的阳极连接,所述二极管的阴极与所述三绕组耦合电感的第一电感的第一端连接,所述第一电感的第二端分别与所述三绕组耦合电感的第三电感的第一端及所述第三电容的第一端连接,所述第三电感的第二端与所述第一开关管的第一端连接,所述第一开关管的第二端分别与所述第二开关管的第一端及负载的第一端连接,所述第三电容的第二端与所述三绕组耦合电感的第二电感的第一端连接,所述第二电感的第二端分别与所述第二开关管的第二端、所述第二电容的第一端及所述直流电源的负极连接,所述第一电容的第二端分别与所述第二电容的第二端及所述负载的第二端连接;其中,所述第一电感的第一端、所述第二电感的第一端及所述第三电感的第一端为同名端;In order to solve the above technical problems, the present invention provides a high-gain half-bridge impedance network converter, including a DC power supply, a diode, a first capacitor, a second capacitor, a third capacitor, a first switch tube, a second switch tube and three A winding coupled inductor, wherein: the anode of the DC power supply is respectively connected to the first end of the first capacitor and the anode of the diode, and the cathode of the diode is connected to the first end of the first inductor of the three-winding coupled inductor. The second end of the first inductance is respectively connected to the first end of the third inductance of the three-winding coupled inductance and the first end of the third capacitor, and the second end of the third inductance is connected to the first end of the third capacitor. The first end of the first switch tube is connected, the second end of the first switch tube is respectively connected to the first end of the second switch tube and the first end of the load, and the second end of the third capacitor The terminal is connected to the first terminal of the second inductance of the three-winding coupled inductance, and the second terminal of the second inductance is respectively connected to the second terminal of the second switching tube, the first terminal of the second capacitor and the first terminal of the second capacitor. The negative pole of the DC power supply is connected, and the second end of the first capacitor is respectively connected to the second end of the second capacitor and the second end of the load; wherein, the first end of the first inductor, The first end of the second inductance and the first end of the third inductance are terminals with the same name;
当所述第一开关管导通且所述第二开关管导通时或者所述第一开关管关断且第二开关管导通时:When the first switch tube is turned on and the second switch tube is turned on or when the first switch tube is turned off and the second switch tube is turned on:
当所述第一开关管导通且所述第二开关管关断时:When the first switch tube is turned on and the second switch tube is turned off:
其中,VO为所述变换器的输出电压,Vd为所述直流电源的输出电压,N1、N2、N3分别为所述第一电感、所述第二电感及所述第三电感的匝数,D1、D2分别为所述第一开关管和所述第二开关管的占空比。Wherein, V O is the output voltage of the converter, V d is the output voltage of the DC power supply, N 1 , N 2 , and N 3 are the first inductance, the second inductance, and the third inductance, respectively. The number of turns of the inductor, D 1 and D 2 are the duty ratios of the first switch tube and the second switch tube respectively.
优选地,所述直流电源为新能源电源。Preferably, the DC power supply is a new energy power supply.
优选地,所述新能源电源为光伏板。Preferably, the new energy power source is a photovoltaic panel.
优选地,所述直流电源为储能电池。Preferably, the DC power supply is an energy storage battery.
优选地,所述第一开关管和所述第二开关管均为N型金属-氧化物-半导体NMOS,NMOS的漏极作为所述第一开关管的第一端和所述第二开关管的第一端,NMOS的源极作为所述第一开关管的第二端和所述第二开关管的第二端。Preferably, both the first switch tube and the second switch tube are N-type metal-oxide-semiconductor NMOS, and the drain of the NMOS serves as the first end of the first switch tube and the second switch tube The first terminal of the NMOS is used as the second terminal of the first switching transistor and the second terminal of the second switching transistor.
优选地,所述第一开关管和所述第二开关管均为绝缘栅双极型晶体管IGBT,IGBT的集电极作为所述第一开关管的第一端和所述第二开关管的第一端,IGBT的发射极作为所述第一开关管的第二端和所述第二开关管的第二端。Preferably, both the first switch tube and the second switch tube are insulated gate bipolar transistors (IGBTs), and the collector of the IGBT serves as the first end of the first switch tube and the second end of the second switch tube. At one end, the emitter of the IGBT serves as the second end of the first switch tube and the second end of the second switch tube.
优选地,所述第一电感、所述第二电感及所述第三电感共用一个磁芯。Preferably, the first inductor, the second inductor and the third inductor share one magnetic core.
与现有的电力电子变压器的结构相比,本申请提供的高增益半桥阻抗网络变换器的结构决定了其不会发生直通现象,安全性高;另外,本申请可以通过改变第一开关管和第二开关管的占空比、第一电感、第二电感和第三电感的匝数来调节该变压器的输出电压,得到升降压可调的交流输出或者升降压可调的直流输出,适用范围广,控制简单,效率高,成本低且体积小。Compared with the structure of the existing power electronic transformer, the structure of the high-gain half-bridge impedance network converter provided by the application determines that it will not have a through phenomenon and has high safety; in addition, the application can change the first switching tube and the duty cycle of the second switching tube, the number of turns of the first inductance, the second inductance and the third inductance to adjust the output voltage of the transformer to obtain an adjustable AC output for buck-boost or DC output with adjustable buck-boost , wide application range, simple control, high efficiency, low cost and small size.
附图说明Description of drawings
为了更清楚地说明本发明实施例中的技术方案,下面将对现有技术和实施例中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本发明的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图获得其他的附图。In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly introduce the prior art and the accompanying drawings that need to be used in the embodiments. Obviously, the accompanying drawings in the following description are only some of the present invention. Embodiments, for those of ordinary skill in the art, other drawings can also be obtained based on these drawings without any creative effort.
图1为现有技术中的一种电力电子变压器的结构示意图;Fig. 1 is a schematic structural view of a power electronic transformer in the prior art;
图2为本发明提供的一种高增益半桥阻抗网络变换器的结构示意图;Fig. 2 is the structural representation of a kind of high-gain half-bridge impedance network converter provided by the present invention;
图3为本发明提供的高增益半桥阻抗网络变换器在模态1时的工作原理图;Fig. 3 is the working principle diagram when the high-gain half-bridge impedance network converter provided by the present invention is in mode 1;
图4为本发明提供的高增益半桥阻抗网络变换器在模态2时的工作原理图;Fig. 4 is the working principle diagram when the high-gain half-bridge impedance network converter provided by the present invention is in mode 2;
图5为本发明提供的高增益半桥阻抗网络变换器在模态3时的工作原理图。FIG. 5 is a working principle diagram of the high-gain half-bridge impedance network converter provided by the present invention in mode 3. FIG.
具体实施方式detailed description
本发明的核心是提供一种高增益半桥阻抗网络变换器,本申请提供的高增益半桥阻抗网络变换器的结构决定了其不会发生直通现象,安全性高;另外,本申请可以通过改变第一开关管和第二开关管的占空比、第一电感、第二电感和第三电感的匝数来调节该变压器的输出电压,得到升降压可调的交流输出或者升降压可调的直流输出,适用范围广,控制简单,效率高,成本低且体积小。The core of the present invention is to provide a high-gain half-bridge impedance network converter. The structure of the high-gain half-bridge impedance network converter provided by the application determines that it will not have a straight-through phenomenon and has high safety; in addition, the application can pass Change the duty cycle of the first switch tube and the second switch tube, the number of turns of the first inductor, the second inductor and the third inductor to adjust the output voltage of the transformer, and obtain an adjustable AC output or buck-boost Adjustable DC output, wide application range, simple control, high efficiency, low cost and small size.
为使本发明实施例的目的、技术方案和优点更加清楚,下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
请参照图2,图2为本发明提供的一种高增益半桥阻抗网络变换器的结构示意图,该变压器包括直流电源Vd、二极管D1、第一电容C1、第二电容C2、第三电容C3、第一开关管S1、第二开关管S2及三绕组耦合电感,其中:直流电源Vd的正极分别与第一电容C1的第一端及二极管D1的阳极连接,二极管D1的阴极与三绕组耦合电感的第一电感L1的第一端连接,第一电感L1的第二端分别与三绕组耦合电感的第三电感L3的第一端及第三电容C3的第一端连接,第三电感L3的第二端与第一开关管S1的第一端连接,第一开关管S1的第二端分别与第二开关管S2的第一端及负载的第一端连接,第三电容C3的第二端与三绕组耦合电感的第二电感L2的第一端连接,第二电感L2的第二端分别与第二开关管S2的第二端、第二电容C2的第一端及直流电源Vd的负极连接,第一电容C1的第二端分别与第二电容C2的第二端及负载的第二端连接;其中,第一电感L1的第一端、第二电感L2的第一端及第三电感L3的第一端为同名端;Please refer to Fig. 2. Fig. 2 is a schematic structural diagram of a high-gain half-bridge impedance network converter provided by the present invention. The transformer includes a DC power supply V d , a diode D 1 , a first capacitor C 1 , a second capacitor C 2 , The third capacitor C 3 , the first switch tube S 1 , the second switch tube S 2 and the three-winding coupled inductor, wherein: the anode of the DC power supply V d is connected to the first end of the first capacitor C 1 and the anode of the diode D 1 respectively connected, the cathode of the diode D1 is connected to the first end of the first inductor L1 of the three-winding coupled inductor, and the second end of the first inductor L1 is respectively connected to the first end of the third inductor L3 of the three -winding coupled inductor and The first end of the third capacitor C3 is connected, the second end of the third inductor L3 is connected to the first end of the first switching tube S1, and the second end of the first switching tube S1 is respectively connected to the second switching tube S 2 is connected to the first end of the load, the second end of the third capacitor C3 is connected to the first end of the second inductance L 2 of the three-winding coupled inductor, and the second end of the second inductance L 2 is respectively connected to The second terminal of the second switching tube S2, the first terminal of the second capacitor C2 and the negative pole of the DC power supply Vd are connected, and the second terminal of the first capacitor C1 is respectively connected to the second terminal of the second capacitor C2 and the negative pole of the DC power supply Vd. The second end of the load is connected; wherein, the first end of the first inductance L 1 , the first end of the second inductance L 2 and the first end of the third inductance L 3 are terminals with the same name;
当第一开关管S1导通且第二开关管S2导通时或者第一开关管S1关断且第二开关管S2导通时:When the first switch S1 is turned on and the second switch S2 is turned on or when the first switch S1 is turned off and the second switch S2 is turned on:
当第一开关管S1导通且第二开关管S2关断时:When the first switch S1 is turned on and the second switch S2 is turned off:
其中,VO为变换器的输出电压,Vd为直流电源Vd的输出电压,N1、N2、N3分别为第一电感L1、第二电感L2及第三电感L3的匝数,D1、D2分别为第一开关管S1和第二开关管S2的占空比。Among them, V O is the output voltage of the converter, V d is the output voltage of the DC power supply V d , N 1 , N 2 , N 3 are the first inductor L 1 , the second inductor L 2 and the third inductor L 3 respectively. The number of turns, D 1 and D 2 are duty ratios of the first switching tube S 1 and the second switching tube S 2 respectively.
具体地,本申请通过直流电源Vd、二极管D1、第一电容C1、第二电容C2、第三电容C3、第一开关管S1、第二开关管S2及三绕组耦合电感搭建变换器硬件电路,再根据实际需要通过控制第一开关管S1和第二开关管S2的导通和关断、第一电感L1、第二电感L2及第三电感L3的匝数来控制变换器的电压输出。不难得出,本申请提供的高增益半桥阻抗网络变换器的结构决定了其不会发生直通现象,安全性高。Specifically, this application couples through DC power supply V d , diode D 1 , first capacitor C 1 , second capacitor C 2 , third capacitor C 3 , first switch tube S 1 , second switch tube S 2 and three windings. The inductance is used to build the converter hardware circuit, and then according to actual needs, by controlling the on and off of the first switch tube S1 and the second switch tube S2, the first inductor L1, the second inductor L2 and the third inductor L3 The number of turns to control the voltage output of the converter. It is not difficult to conclude that the structure of the high-gain half-bridge impedance network converter provided by the present application determines that it does not have a shoot-through phenomenon and has high safety.
不同于现有的电力电子变压器的电路结构,也决定了其不同于现有的电力电子变压器的工作过程,为方便对本申请的理解,下面结合附图对本申请提供的高增益半桥阻抗网络变换器的工作原理作介绍:Different from the circuit structure of the existing power electronic transformer, it also determines its working process different from the existing power electronic transformer. The working principle of the device is introduced:
具体地,本发明提供的高增益半桥阻抗网络变换器根据第一开关管S1和第二开关管S2的导通情况分为以下三种情况:Specifically, the high-gain half-bridge impedance network converter provided by the present invention is divided into the following three situations according to the conduction conditions of the first switch tube S1 and the second switch tube S2:
请参照图3,图3为本发明提供的高增益半桥阻抗网络变换器在模态1时的工作原理图。Please refer to FIG. 3 . FIG. 3 is a working schematic diagram of the high-gain half-bridge impedance network converter in mode 1 provided by the present invention.
当电路工作在模态1时,第一开关管S1和第二开关管S2开通,二极管D1承受反压截止,直流电源Vd对第一电容C1充电,第三电容C3和三绕组耦合电感的第二电感L2对三绕组耦合电感的第三电感L3充电,第二电容C2为负载提供能量。When the circuit works in mode 1 , the first switch tube S1 and the second switch tube S2 are turned on, the diode D1 is subjected to back pressure and cut off, the DC power supply V d charges the first capacitor C1 , the third capacitor C3 and The second inductance L 2 of the three-winding coupled inductor charges the third inductance L 3 of the three-winding coupled inductor, and the second capacitor C 2 provides energy for the load.
请参照图4,图4为本发明提供的高增益半桥阻抗网络变换器在模态2时的工作原理图。Please refer to FIG. 4 . FIG. 4 is a working schematic diagram of the high-gain half-bridge impedance network converter in mode 2 provided by the present invention.
当电路工作在模态2时,第一开关管S1开通,第二开关管S2关断,二极管D1正向导通,直流电源Vd和第一电容C1对三绕组耦合电感的第一电感L1、三绕组耦合电感的第二电感L2、第三电容C3、三绕组耦合电感的第三电感L3和第二电容C2充电,并为负载提供能量。When the circuit works in mode 2, the first switch tube S1 is turned on, the second switch tube S2 is turned off, the diode D1 is forward - conducting, and the DC power supply V d and the first capacitor C1 are connected to the third winding coupled inductor. The first inductor L 1 , the second inductor L 2 of the three-winding coupled inductor, the third capacitor C 3 , the third inductor L 3 of the three-winding coupled inductor, and the second capacitor C 2 are charged and provide energy for the load.
请参照图5,图5为本发明提供的高增益半桥阻抗网络变换器在模态3时的工作原理图。Please refer to FIG. 5 . FIG. 5 is a working principle diagram of the high-gain half-bridge impedance network converter in mode 3 provided by the present invention.
当电路工作在模态3时,第一开关管S1关断,第二开关管S2开通,二极管D1正向导通,直流电源Vd对第一电容C1、三绕组耦合电感的第一电感L1、三绕组耦合电感的第二电感L2和第三电容C3充电,第二电容C2为负载提供能量。When the circuit works in mode 3, the first switch tube S 1 is turned off, the second switch tube S 2 is turned on, the diode D 1 is forward-conducting, and the DC power supply V d has a direct effect on the first capacitor C 1 and the third winding coupling inductor. The first inductor L 1 , the second inductor L 2 of the three-winding coupled inductor, and the third capacitor C 3 are charged, and the second capacitor C 2 provides energy for the load.
根据对上述三种模态下的电感和电容进行分析,得出三绕组耦合电感的第一电感L1的电压以及变换器的输出电压分别为:According to the analysis of the inductance and capacitance in the above three modes, the voltage of the first inductance L1 of the three-winding coupled inductance and the output voltage of the converter are respectively:
根据电感的伏秒平衡定理及电容的安秒平衡定理,可以得到:According to the volt-second balance theorem of inductors and the ampere-second balance theorem of capacitors, we can get:
在变换器处于模态1和模态3时:When the transformer is in mode 1 and mode 3:
在变换器处于模态2时:When the transformer is in mode 2:
可见,变换器的输出电压由第一开关管S1和第二开关管S2的占空比、第一电感L1、第二电感L2和第三电感L3的匝数共同决定,根据需要改变第一开关管S1和第二开关管S2的占空比、第一电感L1、第二电感L2和第三电感L3的匝数便可得到所需的交流电压或者正负直流电源Vd。It can be seen that the output voltage of the converter is jointly determined by the duty cycle of the first switching tube S1 and the second switching tube S2, the number of turns of the first inductor L1, the second inductor L2 and the third inductor L3, according to It is necessary to change the duty cycle of the first switching tube S1 and the second switching tube S2, the number of turns of the first inductance L1, the second inductance L2 and the third inductance L3 to obtain the required AC voltage or positive Negative DC power supply V d .
另外,本申请提供的高增益半桥阻抗网络变换器中,第二电容C2和第三电容C3的两端还分别可与负载连接,从而实现同时为多个负载供电,很好地满足了工业发展需求。In addition, in the high-gain half-bridge impedance network converter provided by the present application, the two ends of the second capacitor C2 and the third capacitor C3 can also be connected to the load respectively, so as to realize power supply for multiple loads at the same time, which satisfies the needs of industrial development.
综上,与现有的电力电子变压器的结构相比,本申请提供的高增益半桥阻抗网络变换器的结构决定了其不会发生直通现象,安全性高;另外,本申请可以通过改变第一开关管和第二开关管的占空比、第一电感、第二电感和第三电感的匝数来调节该变压器的输出电压,得到升降压可调的交流输出或者升降压可调的直流输出,适用范围广,控制简单,效率高,成本低且体积小。To sum up, compared with the structure of the existing power electronic transformer, the structure of the high-gain half-bridge impedance network converter provided by this application determines that it will not have a through phenomenon and has high safety; in addition, this application can be changed by changing the first The duty cycle of the first switching tube and the second switching tube, the number of turns of the first inductance, the second inductance and the third inductance are used to adjust the output voltage of the transformer, so as to obtain an adjustable step-up and step-down AC output or an adjustable step-down step-up DC output, wide application range, simple control, high efficiency, low cost and small size.
在上述实施例的基础上:On the basis of above-mentioned embodiment:
作为一种优选地实施例,直流电源Vd为新能源电源。As a preferred embodiment, the DC power supply V d is a new energy power supply.
具体地,这里的直流电源Vd可以为第一新能源电源,新能源作为一种清洁能源得到了国家的大力支持,新能源具有利用价值高、环保、取之不尽用之不竭等优点。当然,这里的直流电源Vd还可以为其他类型的直流电源,本申请在此不做特别的限定。Specifically, the DC power supply V d here can be the first new energy power supply. As a clean energy, new energy has received strong support from the state. New energy has the advantages of high utilization value, environmental protection, and inexhaustibility. . Certainly, the DC power supply V d here may also be other types of DC power supplies, which are not specifically limited in this application.
作为一种优选地实施例,新能源电源为光伏板。As a preferred embodiment, the new energy source is a photovoltaic panel.
具体地,光伏板将太阳光中包含的能量转化为电能,清洁环保,无任何污染。当然,这里的新能源电源还可以为其他类型的新能源电源,例如风力电池板,本申请在此不做特别的限定。Specifically, photovoltaic panels convert the energy contained in sunlight into electrical energy, which is clean and environmentally friendly without any pollution. Certainly, the new energy power source here may also be other types of new energy power sources, such as wind power panels, which are not specifically limited in this application.
作为一种优选地实施例,直流电源Vd为储能电池。As a preferred embodiment, the DC power supply V d is an energy storage battery.
具体地,这里的储能电池可以为蓄电池,也可以为动力电池,本申请在此不做特别的限定。Specifically, the energy storage battery here may be a storage battery or a power battery, which is not specifically limited in this application.
作为一种优选地实施例,第一开关管S1和第二开关管S2均为N型金属-氧化物-半导体NMOS,NMOS的漏极作为第一开关管S1的第一端和第二开关管S2的第一端,NMOS的源极作为第一开关管S1的第二端和第二开关管S2的第二端。As a preferred embodiment, both the first switch S1 and the second switch S2 are N-type metal-oxide-semiconductor NMOS, and the drain of the NMOS serves as the first terminal of the first switch S1 and the first end of the second switch S1. The first terminal of the second switching transistor S2 and the source of the NMOS serve as the second terminal of the first switching transistor S1 and the second terminal of the second switching transistor S2.
作为一种优选地实施例,第一开关管S1和第二开关管S2均为绝缘栅双极型晶体管IGBT,IGBT的集电极作为第一开关管S1的第一端和第二开关管S2的第一端,IGBT的发射极作为第一开关管S1的第二端和第二开关管S2的第二端。As a preferred embodiment, both the first switching tube S1 and the second switching tube S2 are insulated gate bipolar transistors IGBT, and the collector of the IGBT serves as the first terminal of the first switching tube S1 and the second switch The first end of the tube S2 and the emitter of the IGBT serve as the second end of the first switching tube S1 and the second end of the second switching tube S2.
具体地,在实际应用中,如果变压器中的电流很大,这里的第一开关管S1及第二开关管S2还可以为由多个NMOS并联的NMOS模块,或者为由多个IGBT并联的IGBT模块。Specifically, in practical applications, if the current in the transformer is very large, the first switching tube S1 and the second switching tube S2 here can also be NMOS modules connected in parallel by multiple NMOSs, or multiple IGBTs connected in parallel IGBT modules.
另外,这里的第一开关管S1及第二开关管S2还可以选择其他类型的开关管,本申请在此不做特别的限定,根据实际情况来定。In addition, the first switching tube S 1 and the second switching tube S 2 here can also be selected from other types of switching tubes, which are not specifically limited in this application and are determined according to actual conditions.
作为一种优选地实施例,第一电感L1、第二电感L2及第三电感L3共用一个磁芯。As a preferred embodiment, the first inductor L 1 , the second inductor L 2 and the third inductor L 3 share a magnetic core.
具体地,本申请提供的三绕组耦合电感中的第一电感L1、第二电感L2及第三电感L3可以绕在一个磁芯上,减小了体积,降低了成本,且该电路结构简单,易于工业实现。Specifically, the first inductance L 1 , the second inductance L 2 and the third inductance L 3 in the three-winding coupled inductor provided by the present application can be wound on a magnetic core, which reduces the volume and cost, and the circuit The structure is simple and easy for industrial realization.
需要说明的是,在本说明书中,诸如第一和第二等之类的关系术语仅仅用来将一个实体或者操作与另一个实体或操作区分开来,而不一定要求或者暗示这些实体或操作之间存在任何这种实际的关系或者顺序。而且,术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含,从而使得包括一系列要素的过程、方法、物品或者设备不仅包括那些要素,而且还包括没有明确列出的其他要素,或者是还包括为这种过程、方法、物品或者设备所固有的要素。在没有更多限制的情况下,由语句“包括一个……”限定的要素,并不排除在包括所述要素的过程、方法、物品或者设备中还存在另外的相同要素。It should be noted that in this specification, relative terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that these entities or operations Any such actual relationship or order exists between. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of additional identical elements in the process, method, article or apparatus comprising said element.
对所公开的实施例的上述说明,使本领域专业技术人员能够实现或使用本发明。对这些实施例的多种修改对本领域的专业技术人员来说将是显而易见的,本文中所定义的一般原理可以在不脱离本发明的精神或范围的情况下,在其他实施例中实现。因此,本发明将不会被限制于本文所示的这些实施例,而是要符合与本文所公开的原理和新颖特点相一致的最宽的范围。The above description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116232062A (en) * | 2023-05-09 | 2023-06-06 | 深圳市恒运昌真空技术有限公司 | High-voltage gain converter based on coupling inductance |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103762872A (en) * | 2014-01-28 | 2014-04-30 | 华南理工大学 | Three-energy-storage-capacitor dual-output Z source half-bridge converter |
CN106100403A (en) * | 2016-08-26 | 2016-11-09 | 广东工业大学 | A kind of multi output Z source half-bridge converter |
CN106787868A (en) * | 2017-03-13 | 2017-05-31 | 广东工业大学 | A kind of half-bridge inverter based on impedance network |
CN206211839U (en) * | 2016-08-26 | 2017-05-31 | 广东工业大学 | A kind of symmetric form dual output Z source converters |
-
2017
- 2017-11-07 CN CN201711086138.8A patent/CN107733213A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103762872A (en) * | 2014-01-28 | 2014-04-30 | 华南理工大学 | Three-energy-storage-capacitor dual-output Z source half-bridge converter |
CN103762872B (en) * | 2014-01-28 | 2016-06-22 | 华南理工大学 | A kind of three storage capacitor dual output Z source half-bridge converters |
CN106100403A (en) * | 2016-08-26 | 2016-11-09 | 广东工业大学 | A kind of multi output Z source half-bridge converter |
CN206211839U (en) * | 2016-08-26 | 2017-05-31 | 广东工业大学 | A kind of symmetric form dual output Z source converters |
CN106787868A (en) * | 2017-03-13 | 2017-05-31 | 广东工业大学 | A kind of half-bridge inverter based on impedance network |
Non-Patent Citations (1)
Title |
---|
张桂东: "阻抗匹配机理及 Z 阻抗网络变换器构造", 《中国博士学位论文全文数据库》 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116232062A (en) * | 2023-05-09 | 2023-06-06 | 深圳市恒运昌真空技术有限公司 | High-voltage gain converter based on coupling inductance |
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