CN104242694A - Three-phase full-controlled bridge rectifier circuit with balance reactor - Google Patents
Three-phase full-controlled bridge rectifier circuit with balance reactor Download PDFInfo
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- CN104242694A CN104242694A CN201310264547.8A CN201310264547A CN104242694A CN 104242694 A CN104242694 A CN 104242694A CN 201310264547 A CN201310264547 A CN 201310264547A CN 104242694 A CN104242694 A CN 104242694A
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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
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Abstract
The invention belongs to a circuit in three-phase full-controlled bridge rectifier circuits. Compared with an existing three-phase full-controlled bridge rectifier circuit, the circuit is additionally provided with two rectifier diodes and a balance reactor with a center tap. The center tap of the balance reactor is connected to the center point of star connection of secondary windings of a rectifier transformer, one of two ends of the balance reactor is connected with the cathode of one rectifier diode, and the other end of the rectifier diode is an anode and is connected with the anodes of three devices in a three-phase full-controlled bridge; the other end of the balance reactor is connected with the anode of the other rectifier diode, and the other end of the rectifier diode is a cathode and is connected with the cathodes of the three devices in the three-phase full-controlled bridge. The phase-controlled rectifier circuit can be applied to various types of three-phase controlled rectifier equipment and used for increasing the power factor, improving the efficiency and reducing harmonic waves of the rectifier equipment in the voltage lowering process. The circuit has the good effect of saving materials in the equipment manufacturing process, the obvious effects of saving energy and reducing harmonic pollution in the low-voltage output process and the effect of reducing harmonic current emission and brings economic and social benefits.
Description
[one] technical field the present invention relates to a kind of phase control rectifier circuit with interphase reactor, and apply high merit factor that it manufactures and designs subtract the energy-conservation phase control rectifier equipment of material.
[two] the existing three-phase thyristor bridge controlled rectification circuit of background technology only has three kinds of circuit, the three-phase full-controlled bridge all controlled rectifier circuit that the first is made up of 6 thyristors; The second is the three-phase full-bridge controlled rectifier of rectifier transformer central point with 1 rectifier diode of Ba Bate invention: the third is the three-phase full-bridge controlled rectifier of rectifier transformer central point band 2 rectifier diodes, and these three kinds of three-phase full-bridge controlled rectifiers are not all with interphase reactor.In the compound six phase half-wave phase control rectifier circuit of six phase half-wave controlled rectification circuits and same inventor invention, respectively there are a kind of six phase half-wave phase control rectifier circuit with interphase reactor, also claim two anti-star-like and compound double reverse-stars type phase control rectifier circuit of band balance reactance
{ three } summary of the invention first object of the present invention is: improve band 2 rectifier diode three-phase full-bridge controlled rectifiers further when low-voltage output voltage, improve the angle of flow of thyristor and secondary winding.Second object of the present invention it is applied in the compound three-phase full-bridge controlled rectifier of same inventor invention, creates the compound three-phase full-bridge controlled rectifier of band interphase reactor.3rd object of the present invention with it manufacture and design excellent can better phase control rectifier equipment.4th object of the present invention be for " power electronic technology " textbook provide a kind of excellent can better three-phase bridge phase control rectifier circuit.
Realize the present invention by the three-phase rectifier transformer (1) of secondary Y-connection, 1 the centre tapped interphase reactor of band (L), 2 rectifier diodes (D1, D2), 6 (V1 ~ V6) or 12 (V1 ~ V12) thyristors and trigger control circuit, just (2), the three-phase full-bridge controlled rectifier bearing the band interphase reactor that (3) commutating voltage output forms or the flat rank weighing apparatus reactor of band compound three phase bridge all control rectifiable circuit.
The present invention is a kind of three-phase full-bridge controlled rectifier with interphase reactor, it is the three-phase rectifier transformer of Y-connection by three-phase secondary winding, 1 centre tapped interphase reactor of band: 2 rectifier diodes and 6 thyristors and circuits for triggering composition thereof, it is characterized in that: 3 thyristors are connected with VD anode with the negative electrode of 1 rectifier diode, another 3 thyristors are connected with VD negative terminal with the anode of another 1 rectifying tube, 6 thyristors connect into three-phase full-bridge controlled rectifier, the centre cap of interphase reactor is connected with the central point of 3 secondary winding Y-connections, the other end of 2 rectifier diodes is connected with two terminations of band centre cap interphase reactor respectively, trigging control pole and the solution of 6 thyristors are sent out control circuit and are connected.
The present invention is generalized in the compound three-phase full-bridge controlled rectifier of same inventor invention, and it is exactly a kind of compound three-phase full-bridge controlled rectifier with interphase reactor.It connects into the three-phase rectifier transformer of star by 1 secondary winding, 1 centre tapped interphase reactor of band: 2 rectifier diodes and 12 thyristors and circuits for triggering composition thereof, it is characterized in that: 6 thyristors are connected with VD anode with the negative electrode of 1 rectifier diode, another 6 thyristors are connected with VD negative terminal with the anode of another 1 rectifying tube, the other end of 12 thyristors connects into height with 6 terminations of rectifier transformer time line Y-connection and 6 taps respectively, low pressure 2 three-phase full-bridge controlled rectifiers, the centre cap of interphase reactor is connected with the central point of 3 secondary winding Y-connections, the other end of 2 rectifier diodes is connected with two terminations of band centre cap interphase reactor respectively, trigging control pole and the solution of 12 thyristors are sent out control circuit and are connected.
[four] appended drawings 1 is the three-phase full-bridge controlled rectifier of band interphase reactor of the present invention.Accompanying drawing 2 is compound three-phase full-bridge controlled rectifiers of band interphase reactor of the present invention.Their common trait is: have 1 to be with centre tapped interphase reactor (L), the centre cap of interphase reactor is connected to the central point that rectification becomes device 3 secondary winding Y-connections, 1 termination connects the negative electrode of 1 rectifier diode, another 1 termination connects the anode of another 1 rectifier diode, and the other end of 2 rectifier diodes is respectively with 2 DC output end anodes (2) with export negative terminal (3) and be connected.
[five] embodiment accompanying drawing 1 is the three-phase full-bridge controlled rectifier of band interphase reactor of the present invention, known by accompanying drawing 1: to form three-phase full-bridge controlled rectifier by thyristor V1 ~ V6, form 1 three-phase half-wave controlled rectifier circuit by the latter half of thyristor V1, V3, V5, rectifier diode D2 and balance reactor center tap, form another 1 three-phase half-wave controlled rectifier circuit by the first half of thyristor V2, V4, V6, rectifier diode D1 and the tap of balance reactor center.
Because three-phase bridge line voltage commutation voltage and 2 three-phase phase voltage commutating voltages differ 30 degree in phase place, therefore, when the pilot angle increasing three-phase full-bridge controlled rectifier line circuit is regulated to maximum by minimum value, the output two ends (2 of phase control rectifier circuit, 3) envelope of output voltage instantaneous value, just only has the instantaneous value of three-phase line voltage bridge rectifier, forwardly part is the instantaneous value of three-phase line voltage bridge rectifier voltage gradually, aft section is that 2 whole instantaneous voltages of three-phase phase voltage half-wave are excessive, last excessively only have 2 such processes of three-phase phase voltage halfwave rectifier output voltage instantaneous value to output two ends.So turning down output voltage, when not being with centre tapped balance electricity to comfort anti-device, output voltage two ends just have six phase half-wave controlled rectification voltages.Break-over of device angle and the little defect of secondary winding ON time is there is according to six phase half-wave controlled rectification circuits on textbook, therefore, all increase the centre tapped flat rank weighing apparatus reactor of band, make their angle of flow be increased to 2 times of nearly six phase half-waves, Here it is does not generally use six phase half-wave rectifications and controlled rectification circuit but uses band centre cap balance electricity to comfort the reason of anti-device six phase half-wave rectification and controlled rectification circuit.Same principle, inventor increases by 1 centre tapped interphase reactor of band in the three-phase full-bridge controlled rectifier with two rectifier diodes also can improve thyristor and transformer secondary output ON time when low output voltage.Just become the three-phase full-bridge controlled rectifier of the band interphase reactor in the present invention.Same reason, uses the occasion of the three-phase full-bridge controlled rectifier of band 2 rectifier diodes from now on, will circuit of the present invention all can be used to replace! It just becomes the controlled rectification circuit of best performance in current three-phase full-bridge controlled rectifier, is specially adapted to high-power, that output voltage adjustable range is large controlled rectifier.
Accompanying drawing 2 is compound three-phase full-bridge controlled rectifiers of band interphase reactor of the present invention, known by accompanying drawing 2: to form low voltage three-phase bridge-type all controlled rectifier circuit by thyristor V1 ~ V6, high pressure three-phase full-bridge controlled rectifier is formed by thyristor V7 ~ V12, by thyristor V1, V3, V5, (or V7, V9, V11), the latter half of rectifier diode D2 and the tap of balance reactor center forms 1 three-phase half-wave controlled rectifier circuit, by thyristor V2, V4, V6, (or V8, V10, V12), another 1 three-phase half-wave controlled rectifier circuit of the first half composition of rectifier diode D1 and the tap of balance reactor center.The circuit of accompanying drawing 2 makes a farfetched comparison the many uses of Fig. 1 circuit 6 thyristors, when output services voltage request regulates in a big way, its power factor is far above the circuit of accompanying drawing 1, and the capacity of rectifier transformer is lower than the circuit of accompanying drawing 1, and its Jie Sheng Copper material and steel can make up the expense of increase by 6 thyristors.Accompanying drawing 1 and accompanying drawing 2 operation principle are mutually roughly the same.
The present invention can be applicable to the applicable occasion of three-phase full-bridge controlled rectifier, as power supplys such as direct current electric arc furnace power supply, electrolysis, plating, electrifications, has larger economic benefit and social benefit.
Claims (3)
1. the three-phase full-bridge controlled rectifier with interphase reactor, it is not with centre tap by three-phase, or with the tapped secondary three-phase rectifier transformer connecting into star, 1 centre tapped interphase reactor of band: 2 rectifier diodes and 6, or 12 thyristors and circuits for triggering composition, it is characterized in that: 3, or 6 thyristors are connected with VD anode with the negative electrode of 1 rectifier diode, another 3, or 6 thyristors are connected with VD negative terminal with the anode of another 1 rectifier diode, 6 thyristors connect into three-phase full-bridge controlled rectifier, or 12 thyristors connect the compound controlled bridge rectifier circuit of three-phase of proportionately 2 Parallel opertation, the centre cap of interphase reactor is connected with 3 secondary central points around Y-connection, the other end of 2 rectifier diodes is connected with two terminations of band centre cap interphase reactor respectively, 6, or the trigging control pole of 12 thyristors is connected with trigger control circuit.
2. the three-phase full-bridge controlled rectifier of rank weighing apparatus reactor put down by band according to claim 1, it is characterized in that: have 1 to be with centre tapped interphase reactor, 6 thyristors form 1 three phase full bridge controlled rectifier.
3. the three-phase full-bridge controlled rectifier of rank weighing apparatus reactor put down by band according to claim 1, its particular-trade is: have 1 to be with centre tapped interphase reactor and 3 rectifier transformer secondary winding being with centre tap to be linked to be star, the three-phase full-bridge controlled rectifier of 12 thyristors composition high and low pressures, 2 Parallel opertation.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310264547.8A CN104242694B (en) | 2013-06-22 | 2013-06-22 | Three-phase full-bridge controlled rectifier with paralleing reactor |
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| CN201310264547.8A CN104242694B (en) | 2013-06-22 | 2013-06-22 | Three-phase full-bridge controlled rectifier with paralleing reactor |
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| CN104242694A true CN104242694A (en) | 2014-12-24 |
| CN104242694B CN104242694B (en) | 2017-03-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108076679A (en) * | 2015-11-02 | 2018-05-25 | 勃姆巴迪尔运输有限公司 | For controlling the method for the line converter on railroad vehicle |
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| DE3814757A1 (en) * | 1988-04-30 | 1989-11-09 | Asea Brown Boveri | DC voltage link having two capacitor units connected in series |
| CN2094173U (en) * | 1991-05-16 | 1992-01-22 | 黑龙江电影机械厂 | Rectifier for extrahigh voltage globular short-arc xenon lamps |
| CN2281862Y (en) * | 1995-09-28 | 1998-05-20 | 龚秋声 | Three phase direct current arc welder |
| TW398110B (en) * | 1998-06-24 | 2000-07-11 | Pan Ching Tsai | Adjustable 3-phase voltage buck-and-boost AC/DC converter |
| CN101814852A (en) * | 2009-02-20 | 2010-08-25 | 青岛大学 | Intermediate frequency power circuit |
| CN102594172A (en) * | 2012-03-02 | 2012-07-18 | 龚秋声 | Compound controllable rectification circuit |
| CN102611334A (en) * | 2012-03-09 | 2012-07-25 | 龚秋声 | Duplex double-reverse-star controllable rectifier circuit |
-
2013
- 2013-06-22 CN CN201310264547.8A patent/CN104242694B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3814757A1 (en) * | 1988-04-30 | 1989-11-09 | Asea Brown Boveri | DC voltage link having two capacitor units connected in series |
| CN2094173U (en) * | 1991-05-16 | 1992-01-22 | 黑龙江电影机械厂 | Rectifier for extrahigh voltage globular short-arc xenon lamps |
| CN2281862Y (en) * | 1995-09-28 | 1998-05-20 | 龚秋声 | Three phase direct current arc welder |
| TW398110B (en) * | 1998-06-24 | 2000-07-11 | Pan Ching Tsai | Adjustable 3-phase voltage buck-and-boost AC/DC converter |
| CN101814852A (en) * | 2009-02-20 | 2010-08-25 | 青岛大学 | Intermediate frequency power circuit |
| CN102594172A (en) * | 2012-03-02 | 2012-07-18 | 龚秋声 | Compound controllable rectification circuit |
| CN102611334A (en) * | 2012-03-09 | 2012-07-25 | 龚秋声 | Duplex double-reverse-star controllable rectifier circuit |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108076679A (en) * | 2015-11-02 | 2018-05-25 | 勃姆巴迪尔运输有限公司 | For controlling the method for the line converter on railroad vehicle |
| CN108076679B (en) * | 2015-11-02 | 2021-02-19 | 勃姆巴迪尔运输有限公司 | Method for controlling a line switch on a rail vehicle |
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| CN104242694B (en) | 2017-03-29 |
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Effective date of registration: 20190115 Address after: 536000 0905 tower 4, science and technology innovation center, Beibu Bay, 45 Golden Coast Road, Beihai, the Guangxi Zhuang Autonomous Region Patentee after: Beihai Hesi Technology Co., Ltd. Address before: 330001 Room 201, Room 2, Building 5, 736 Jinggangshan Avenue, Qingyunpu District, Nanchang City, Jiangxi Province Patentee before: Gong Qiusheng |
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Effective date of registration: 20190321 Address after: 518000 Guangming New District, Shenzhen City, Guangdong Province, 1 Building, 3 Floor, F District, No. 1, Huafa Road Section, Northeast Side of Songbai Road, Xinzhuang Community, Matian Street, Guangming New District, Shenzhen City, Guangdong Province Patentee after: Shenzhen City Health Science & Technology Co., Ltd. Address before: 536000 0905 tower 4, science and technology innovation center, Beibu Bay, 45 Golden Coast Road, Beihai, the Guangxi Zhuang Autonomous Region Patentee before: Beihai Hesi Technology Co., Ltd. |
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