CN112737367A - 一种整流电源装置 - Google Patents
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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
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/145—Conversion of ac power input into dc 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 thyratron or thyristor type requiring extinguishing means
- H02M7/155—Conversion of ac power input into dc 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 thyratron or thyristor type requiring extinguishing means using semiconductor devices only
- H02M7/17—Conversion of ac power input into dc 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 thyratron or thyristor type requiring extinguishing means using semiconductor devices only arranged for operation in parallel
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/01—Arrangements for reducing harmonics or ripples
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/18—Arrangements for adjusting, eliminating or compensating reactive power in networks
- H02J3/1821—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators
- H02J3/1835—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators with stepless control
- H02J3/1864—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators with stepless control wherein the stepless control of reactive power is obtained by at least one reactive element connected in series with a semiconductor switch
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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
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/145—Conversion of ac power input into dc 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 thyratron or thyristor type requiring extinguishing means
- H02M7/155—Conversion of ac power input into dc 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 thyratron or thyristor type requiring extinguishing means using semiconductor devices only
- H02M7/19—Conversion of ac power input into dc 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 thyratron or thyristor type requiring extinguishing means using semiconductor devices only arranged for operation in series, e.g. for voltage multiplication
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/40—Arrangements for reducing harmonics
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Abstract
本发明公开了一种整流电源装置,由总进线开关柜S0、PT柜、n个整流通道和输出串并联柜组成,每个整流通道由一台交流开关柜、一台延边移相三绕组整流变压器和一台十二脉波整流柜组成;n台整流变压器原边绕组互移30/n电角度;相对于常规三相六脉波整流电源,它具有输出直流电压等级多、独立输出路数多、输出容量高、直流脉动小、直流输出电压可控、交流网侧谐波小、功率因数高等优点,特别适用于对整流输出电压等级需求多、品质要求高,以及对交流网侧谐波小、功率因数高的场合使用。
Description
技术领域
本发明属于整流电源技术领域,具体涉及一种整流电源装置。
背景技术
整流电源在工业中应用广泛,如汽车电驱调速系统测试用整流电源,船舶电力推进系统测试用整流电源等。
但对于常规三相六脉波整流电源拓扑来说,存在输出直流电压纹波较大、网侧谐波较高、功率因数低的缺点,而且存在输出电压等级单一,单台输出容量有限等方面的不足,难以满足一些高要求场合使用需求。
发明内容
为克服常规三相六脉波整流电源拓扑系统输出直流电压纹波较大、网侧谐波较高、功率因数低,以及常规整流电源拓扑输出电压等级单一、单台输出容量有限等方面的不足,本发明提供了一种整流电源装置。
本发明解决其技术问题所采用的技术方案是:一种整流电源装置,由一台总进线开关柜S0、一台PT柜、n(n≥2)个整流通道和一台输出串并联柜组成;每个整流通道由一台交流开关柜、一台延边移相三绕组整流变压器和一台十二脉波整流柜串联组成,每个十二脉波整流柜由两个六脉波整流柜组成;每个整流通道中交流开关柜输出端分别与对应的三绕组整流变压器的原边绕组输入端连接,三绕组整流变压器的两个副边绕组输出端分别与对应的十二脉波整流柜的两个六脉波整流柜的输入端连接,十二脉波整流柜的输出端根据输出电压需要与对应的输出串并联柜的输入端连接。
所述的一种整流电源装置,每个十二脉波整流柜中的两个六脉波整流柜的输出端串联或并联连接。
所述的一种整流电源装置,其n台十二脉波整流柜由k台十二脉波可控整流柜和n-k台十二脉波不控整流柜构成,其中k≤n且k为偶数,所述的十二脉波可控整流柜包含2个LC滤波器。
所述的一种整流电源装置,其n台三绕组整流变压器原边绕组互移30/n电角度,与k台十二脉波整流柜相连接的k台三绕组整流变压器原边绕组互移30/k电角度。
所述的一种整流电源装置,所述十二脉波整流柜的输出端根据输出电压需要与对应的输出串并联柜的输入端连接,输出串并联柜具有带载进行串并联切换功能,具有每个整流通道独立输出功能。
本发明的有益效果是:
本发明通过采用多个整流通道增加系统输出功率和独立输出路数、提高系统运行冗余度与可靠性;通过采用n台原边移相30/n电角度三绕组整流变压器、与k台十二脉波可控整流柜相连接的三绕组整流变压器原边移相30/k电角度、每台十二脉波可控整流柜含LC滤波等措施降低交流网侧谐波、提高流网侧功率因数;通过采用单台十二脉波整流柜中两个六脉波整流柜可实现串联或并联连接输出和输出串并联柜等双重措施,实现多种输出直流电压等级;通过采用可控整流实现直流输出电压可调。
相对于常规三相六脉波整流电源,本发明具有输出直流电压等级多、独立输出路数多、直流脉动小、直流输出电压可控、交流网侧谐波小、功率因数高、输出容量高等优点,特别适用于对整流输出电压等级需求多、品质要求高,以及对交流网侧谐波小、功率因数高的场合使用。
附图说明
图1为本发明第一实施例的拓扑示意图;
图2为本发明第二实施例的拓扑示意图。
各附图标记为:1—总进线开关柜S0,3—交流开关柜,4—三绕组整流变压器,5—十二脉波整流柜,6—输出串并联柜。
具体实施方式
下面结合附图对本发明进一步详细说明。
为使本发明的目的、技术方案和优点更加清楚,下面将结合附图对本发明的各实施方式进行详细的阐述。然而,本领域的普通技术人员可以理解,在本发明各实施方式中,为了使读者更好地理解本申请而提出了许多技术细节。但是,即使没有这些技术细节和基于以下各实施方式的种种变化和修改,也可以实现本申请各权利要求所要求保护的技术方案。
实施例1
如图1所示,本发明提供的一种整流电源装置,包括一台总进线开关柜S0 1、一台PT柜、四个整流通道和一台输出串并联柜6;每个整流通道由一台交流开关柜3、一台延边移相三绕组整流变压器4和一台十二脉波整流柜5。
每个十二脉波整流柜5由两个六脉波整流柜组成;每个整流通道中交流开关柜3输出端分别与对应的三绕组整流变压器4的原边绕组输入端连接,三绕组整流变压器4的两个副边绕组输出端分别与对应的十二脉波整流柜5的两个六脉波整流柜的输入端连接,十二脉波整流柜的输出端根据输出电压需要与对应的输出串并联柜6的输入端连接,输出串并联柜6具有带载进行串并联切换功能,具有每个整流通道独立输出功能。
所述的单个六脉波整流柜输出直流电压为Udc、直流电流为Idc;每台十二脉波整流柜5中两个六脉波整流柜串联连接,单个十二脉波整流柜5输出直流电压为2Udc、直流电流为Idc;输出串并联柜6中接线连接为串联形式,可有效提高系统输出电压,整个系统输出直流电压可达8Udc、直流电流为Idc。
所述的四台十二脉波整流柜5由两台十二脉波可控整流柜(含2个LC滤波器)和两台十二脉波不控整流柜构成;通过采用可控整流实现直流输出电压可调。
所述的四台整流变压器原边绕组互移7.5电角度,其中与两台十二脉波可控整流柜相连接的两台三绕组整流变压器4原边绕组互移15电角度,以降低系统交流网侧谐波、提高流网侧功率因数。
实施例2
如图2所示,本发明提供的一种整流电源装置,包括一台总进线开关柜S0 1、一台PT柜、四个整流通道和一台输出串并联柜6;每个整流通道由一台交流开关柜3、一台延边移相三绕组整流变压器4和一台十二脉波整流柜5。
每个十二脉波整流柜5由两个六脉波整流柜组成;每个整流通道中交流开关柜3输出端分别与对应的三绕组整流变压器4的原边绕组输入端连接,三绕组整流变压器4的两个副边绕组输出端分别与对应的十二脉波整流柜5的两个六脉波整流柜的输入端连接,十二脉波整流柜的输出端根据输出电压需要与对应的输出串并联柜6的输入端连接,输出串并联柜6具有带载进行串并联切换功能,具有每个整流通道独立输出功能。
所述的单个六脉波整流柜输出直流电压为Udc、直流电流为Idc;每台十二脉波整流柜5中两个六脉波整流柜并联连接,单个十二脉波整流柜5输出直流电压为Udc、直流电流为2Idc;输出串并联柜6中接线连接为串联形式,可有效提高系统输出电压,整个系统输出直流电压可达4Udc、直流电流为2Idc。
所述的四台十二脉波整流柜5由两台十二脉波可控整流柜(含2个LC滤波器)和两台十二脉波不控整流柜构成;通过采用可控整流实现直流输出电压可调。
所述的四台整流变压器原边绕组互移7.5电角度,其中与两台十二脉波可控整流柜相连接的两台三绕组整流变压器4原边绕组互移15电角度,以降低系统交流网侧谐波、提高流网侧功率因数。
实施例1和实施例2的整流电源在输出不同电压时,具有相同的输出功率。
本领域的普通技术人员可以理解,上述各实施方式是实现本发明的具体实施例,而在实际应用中,可以在形式上和细节上对其作各种改变,而不偏离本发明的精神和范围。
Claims (5)
1.一种整流电源装置,其特征在于:由一台总进线开关柜S0(1)、一台PT柜、n个整流通道和一台输出串并联柜(6)组成,其中n≥2;每个整流通道由一台交流开关柜(3)、一台延边移相三绕组整流变压器(4)和一台十二脉波整流柜(5)组成,每个十二脉波整流柜(5)由两个六脉波整流柜组成;每个交流开关柜(3)输出端与对应三绕组整流变压器(4)的原边绕组输入端连接,三绕组整流变压器(4)的两个副边绕组输出端分别与对应六脉波整流柜的输入端连接,十二脉波整流柜的输出端与对应输出串并联柜(6)的输入端连接。
2.根据权利要求1所述的一种整流电源装置,其特征在于,每个十二脉波整流柜(5)中的两个六脉波整流柜的输出端串联或并联连接。
3.根据权利要求1或2所述的一种整流电源装置,其特征在于,所述的n台十二脉波整流柜(5)由k台十二脉波可控整流柜和n-k台十二脉波不控整流柜构成,其中k≤n且k为偶数,所述的十二脉波可控整流柜包含2个LC滤波器。
4.根据权利要求3所述的一种整流电源装置,其特征在于,所述的n台三绕组整流变压器(4)原边绕组互移30/n电角度,与k台十二脉波整流柜(5)相连接的k台三绕组整流变压器(4)原边绕组互移30/k电角度。
5.根据权利要求4所述的一种高性能整流电源装置,其特征在于,所述的输出串并联柜(6)采用带载切换开关进行十二脉波整流柜(5)之间输出的串并联切换。
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