CN105305854A - LED illumination driving power supply system for high-voltage AC system - Google Patents
LED illumination driving power supply system for high-voltage AC system Download PDFInfo
- Publication number
- CN105305854A CN105305854A CN201510819484.7A CN201510819484A CN105305854A CN 105305854 A CN105305854 A CN 105305854A CN 201510819484 A CN201510819484 A CN 201510819484A CN 105305854 A CN105305854 A CN 105305854A
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- Prior art keywords
- phase
- pulse
- driving power
- isolation
- voltage
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
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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
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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
- H02M7/21—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 triode or transistor type requiring continuous application of a control signal
- H02M7/217—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 triode or transistor type requiring continuous application of a control signal using semiconductor devices only
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
- Rectifiers (AREA)
Abstract
The invention discloses an LED illumination driving power supply system for a high-voltage AC system. The LED illumination driving power supply system comprises a three-phase AC system, a multiple-pulse transformation rectifier and a non-isolation DC/DC conversion circuit. The three-phase AC system and the non-isolation DC/DC conversion circuit are connected to the input end and the output end of the multiple-pulse transformation rectifier respectively. The multiple-pulse transformation rectifier comprises an AC-side three-phase filtering inductor, a multiple-pulse transformer, a plurality of three-phase rectifier bridges corresponding to the number of pulses of the multiple-pulse transformer, a DC-side filtering inductor and a DC capacitor. The AC-side three-phase filtering inductor is connected to the input end of the multiple-pulse transformer. The AC input ends of the three-phase rectifier bridges are connected to the output end of the multiple-pulse transformer. The DC output ends of the three-phase rectifier bridges are directly connected to each other in parallel and are also connected to the DC-side filtering inductor and the DC capacitor. Through a multiple-pulse transformation and rectification technology, the LED illumination driving power supply system is high in reliability, high in efficiency, high in power factor, low in harmonic wave content and low in cost.
Description
Technical field
The present invention relates to a kind of power-supply system, particularly relate to a kind of LED illumination driving power source system for high-voltage alternating system.
Background technology
LED drive power under general application conditions has been matured product, have many types and model available.But in some particular application, general solution not necessarily can be dealt with problems.Such as in the electric power system of the U.S., there is multiple voltage system, wherein have one more in industrial occasions application be 480V three-phase alternating current system, its phase voltage is 277V, and line voltage is 480V.Such system is generally three-phase three-wire system, therefore cannot use neutral point.When adopting LED illumination in this system, need LED directly to receive in the AC line of 480V.Conventional LED drive power, even wide input power type, its input voltage is the highest also only has 305V, cannot meet this special requirement.
Use in 480V system at present LED generally adopt below two solutions:
Scheme one: voltage drop method.As shown in Figure 1, in 480V system, first access a step-down transformer, voltage is reduced to 220V or 11V, so just can directly adopt common LED driving power in rear class.This is the scheme that a kind of ratio is easier to expect, its shortcoming is also more obvious: the transformer added adds cost and loss.
Scheme two: high drive method.Namely buying can bear the driving power of 480V, as shown in Figure 2.So just can without the need to increasing additional components, directly light fixture connecting system.Its shortcoming is: the manufacturer of 480V driving power is little, and range of choice is limited; The driving power volume weight of high input voltage is all greater than common driving power, and the index such as efficiency and power factor is generally all not so good as common driving power; The price of high drive power supply is apparently higher than the common driving power of same power.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of LED illumination driving power source system for high-voltage alternating system, and it adopts multiple-pulse Transformer Rectifier technology, and reliability is high, and efficiency is high, and power factor is high, and harmonic content is low, and cost is low.
The present invention solves above-mentioned technical problem by following technical proposals: a kind of LED illumination driving power source system for high-voltage alternating system, comprise three-phase alternating current system, LED lamp, multiple-pulse vertoro and non-isolation DC/DC translation circuit, wherein:
Described three-phase alternating current system, non-isolation DC/DC translation circuit is connected with the input of described multiple-pulse vertoro and output respectively, described multiple-pulse vertoro comprises AC three-phase filter inductance, multiple-pulse transformer, several three-phase commutation bridges corresponding with the umber of pulse of multiple-pulse transformer, DC side filter inductance, and DC capacitor, described AC three-phase filter inductance is connected with the input of described multiple-pulse transformer, the ac input end of described three-phase commutation bridge is connected with the output of described multiple-pulse transformer, the DC output end of described three-phase commutation bridge is directly in parallel and connect described DC side filter inductance and DC capacitor, described non-isolation DC/DC translation circuit is also connected with described LED lamp.
Preferably, described non-isolation DC/DC translation circuit is a Buck circuit.
Positive progressive effect of the present invention is:
1, the conversion of AC/DC of the present invention adopts multiple-pulse Transformer Rectifier technology, and reliability is high, and efficiency is high, and power factor is high, and harmonic content is low, and cost is low.
2, the conversion of AC/DC of the present invention adopts isolation scheme, can free setting direct voltage, when AC voltage is very high, still direct voltage can be set in a zone of reasonableness (such as 250V).
3, the DC/DC conversion of DC side can adopt non-isolated Buck circuit, and reliability is high, and efficiency is high, and cost is low.
4, the present invention reduces costs, and can automatically accomplish that threephase load balances.
5, the present invention is not only applicable to the 480V three-phase alternating current system of the U.S., is suitable for the 380V three-phase alternating current system of China simultaneously yet, and other three-phase alternating current systems all.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of existing voltage drop method.
Fig. 2 is the circuit diagram of existing high drive method.
Fig. 3 is the theory diagram of the LED illumination driving power source system that the present invention is directed to high-voltage alternating system.
Fig. 4 is the physical circuit figure of the LED illumination driving power source system that the present invention is directed to high-voltage alternating system.
Fig. 5 is the structural representation of winding in the present invention.
Fig. 6 is the structural representation of non-isolation DC in the present invention/DC translation circuit.
Embodiment
A preferred embodiment of the present invention is provided, to describe technical scheme of the present invention in detail below in conjunction with accompanying drawing.
As shown in Figure 3, the LED illumination driving power source system that the present invention is directed to high-voltage alternating system comprises three-phase alternating current system (such as 480V), LED lamp, multiple-pulse vertoro and non-isolation DC/DC translation circuit, wherein, described three-phase alternating current system, non-isolation DC/DC translation circuit is connected with the input of described multiple-pulse vertoro and output respectively, the voltage of described three-phase alternating current system is first converted to a high-voltage direct current by a multiple-pulse vertoro, such as direct voltage can be set as 250V; Described non-isolation DC/DC translation circuit with LED lamp be connected, specifically, all LED lamp are connected on DC bus (such as 250V DC bus) by non-isolation DC/DC translation circuit.Because the direct current of 250V and 480V AC system are isolated, the non-isolation DC therefore in LED lamp/DC translation circuit can be a Buck circuit.
As shown in Figure 4, described multiple-pulse vertoro comprises AC three-phase filter inductance Ldm, 18-pulse transformer T1, first three-phase commutation bridge B1, second three-phase commutation bridge B2, 3rd three-phase commutation bridge B3, DC side filter inductance Ldc, and DC capacitor Cdc, described AC three-phase filter inductance Ldm is connected with the input of described 18-pulse transformer T1, the ac input end of described first three-phase commutation bridge B1, the ac input end of the second three-phase commutation bridge B2, the ac input end of the 3rd three-phase commutation bridge B3 is all connected with the output of described 18-pulse transformer T1, the DC output end of described first three-phase commutation bridge B1, the DC output end of the second three-phase commutation bridge B2, the DC output end of the 3rd three-phase commutation bridge B3 is directly in parallel and connect described DC side filter inductance Ldc and DC capacitor Cdc.
The value of each element is as follows: every phase inductance amount of AC three-phase filter inductance Ldm is 2.6mH, the inductance value of DC side filter inductance Ldc is 5mH, the total capacitance of DC capacitor Cdc is 550uF, and DC capacitor Cdc is formed in parallel by the thin-film capacitor of five 110uF.
In this example, multiple-pulse transformer T1 is a 18-pulse transformer.In practical application, multiple-pulse transformer T1 can be doubly several umber of pulses of six pulse transformers, twelve-pulse transformer, 18-pulse transformer, 24 pulse transformers etc. six, can adjust as required, the rectifier bridge number corresponding with pulse transformer is one, two, three, four.Be described for 18-pulse transformer below, the design parameter of this 18-pulse transformer is as follows:
(1) magnetic core: silicon steel material, E-type magnetic core.
(2) air gap: pad 0.1mm.
(3) winding: three cover windings are respectively around on three posts, and for wherein a set of, its structure as shown in Figure 5.Winding is divided into six layers, and every layer of Same Name of Ends is consistent, and the inside is ground floor.From the inside to surface, 1,2,3,4,5,6 windings are respectively.Wherein winding 1 is former limit winding, 557 circles; Winding 2 ~ 5 is vice-side winding.Winding 2 is secondary first winding, 205 circles; Winding 3,4 is second and third winding of secondary, each 152 circles; Winding 5,6 is secondary fourth, fifth winding, each 81 circles.Footpath, former sideline is AWG18, and all secondary wire diameters are AWG16.
(4) outlet: all go out line length 20cm.
(5) temperature grade: 155 degree.
(6) insulate: between ground floor and magnetic core: 3750Vdc; Between ground floor and the second layer: 3750Vdc; Between all the other each layers: 2000Vdc; Between layer 6 and magnetic core: 3750Vdc.
In this example, the non-isolation DC on light fixture/DC translation circuit adopts Buck circuit, thus realizes high efficiency, high reliability, and low cost.Buck circuit as shown in Figure 6.Its input Vin is 250V direct voltage, an input input capacitance Cin in parallel.Metal-oxide-semiconductor MOS1 and diode D1 connects, and the negative electrode of diode D1 is connected on input capacitance anode, and the source electrode of metal-oxide-semiconductor MOS1 is connected on input capacitance negative terminal, and the anode of diode D1 is connected with the drain electrode of metal-oxide-semiconductor MOS1.The anode of diode D1 connects an inductance L 1, the negative terminal of another termination output capacitance of inductance.Output capacitance anode connects the negative electrode of diode D1.The function of this Buck circuit is exactly the control by the grid to metal-oxide-semiconductor MOS1, and the 250V direct voltage of input is converted to direct current constant current output, and current value is Iout.
When adopting the AC/DC scheme of isolation, the voltage of DC side can pass through transformer voltage ratio free setting, when being set in below 300V, selects protection component and design back circuit than being easier to.When adopting isolation scheme, the efficiency of AC/DC conversion fraction will reduce two to three percentage points than non-isolated scheme; And rear end DC/DC conversion fraction will obtain very large simplification, the DC/DC of non-isolated adopts Buck circuit, and efficiency can up to 97 ~ 98%, and the DC/DC of isolation is when the LLC circuit that employing is most effective, and most effective also can only be 95 ~ 96%.Comprehensive front and back stages, adopt the AC/DC scheme of isolation or non-isolated, efficiency aspect does not have difference substantially, and during the AC/DC of employing isolation, because DC voltage is lower, realizes the engineering particular problems such as route protection than being easier to.
Above-described specific embodiment; the technical problem of solution of the present invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (2)
1. for a LED illumination driving power source system for high-voltage alternating system, it is characterized in that, it comprises three-phase alternating current system, LED lamp, multiple-pulse vertoro and non-isolation DC/DC translation circuit, wherein:
Described three-phase alternating current system, non-isolation DC/DC translation circuit is connected with the input of described multiple-pulse vertoro and output respectively, described multiple-pulse vertoro comprises AC three-phase filter inductance, multiple-pulse transformer, several three-phase commutation bridges corresponding with the umber of pulse of multiple-pulse transformer, DC side filter inductance, and DC capacitor, described AC three-phase filter inductance is connected with the input of described multiple-pulse transformer, the ac input end of described three-phase commutation bridge is connected with the output of described multiple-pulse transformer, the DC output end of described three-phase commutation bridge is directly in parallel and connect described DC side filter inductance and DC capacitor, described non-isolation DC/DC translation circuit is also connected with described LED lamp.
2., as claimed in claim 1 for the LED illumination driving power source system of high-voltage alternating system, it is characterized in that, described non-isolation DC/DC translation circuit is a Buck circuit.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510819484.7A CN105305854A (en) | 2015-11-23 | 2015-11-23 | LED illumination driving power supply system for high-voltage AC system |
| PCT/CN2015/098380 WO2017088223A1 (en) | 2015-11-23 | 2015-12-23 | Led lighting driver power supply system for high-voltage alternating current system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510819484.7A CN105305854A (en) | 2015-11-23 | 2015-11-23 | LED illumination driving power supply system for high-voltage AC system |
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| Publication Number | Publication Date |
|---|---|
| CN105305854A true CN105305854A (en) | 2016-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510819484.7A Pending CN105305854A (en) | 2015-11-23 | 2015-11-23 | LED illumination driving power supply system for high-voltage AC system |
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| CN (1) | CN105305854A (en) |
| WO (1) | WO2017088223A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107360648A (en) * | 2017-07-28 | 2017-11-17 | 株洲麦格米特电气有限责任公司 | A kind of two paths of LED of Buck topologys flows drive circuit |
| CN108521694B (en) * | 2018-03-29 | 2023-09-22 | 电子科技大学 | LED half-bridge circuit with feedback variable-frequency constant-current drive |
| EP4202531A4 (en) | 2020-11-24 | 2024-03-20 | Samsung Electronics Co., Ltd. | Augmented reality wearable electronic device comprising camera |
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| CN201336757Y (en) * | 2009-01-22 | 2009-10-28 | 陈咸丰 | Multi-way constant-current power supply used for high-power LED light source |
| CN201708976U (en) * | 2009-12-28 | 2011-01-12 | 英飞特电子（杭州）有限公司 | Driving circuit capable of realizing double-channel or even-channel or odd-channel LED precise constant current |
| CN202603018U (en) * | 2012-06-18 | 2012-12-12 | 胡光文 | LED (light-emitting diode) street lamp control cabinet |
| CN105120562A (en) * | 2015-08-31 | 2015-12-02 | 上海泓语电气技术有限公司 | High-voltage DC LED lighting driving circuit based on multi-pulse rectification |
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2015
- 2015-11-23 CN CN201510819484.7A patent/CN105305854A/en active Pending
- 2015-12-23 WO PCT/CN2015/098380 patent/WO2017088223A1/en active Application Filing
Patent Citations (7)
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| CN101989817A (en) * | 2009-07-29 | 2011-03-23 | 通用电气公司 | Three-phase LED power supply |
| CN201758470U (en) * | 2010-01-04 | 2011-03-09 | 叶明宝 | Direct current supply system for LED street lamps |
| CN102176806A (en) * | 2011-03-15 | 2011-09-07 | 谢俊国 | Multichannel multiphase-driving LED (Light Emitting Diode) power supply |
| CN102438378A (en) * | 2011-12-20 | 2012-05-02 | 江苏宏微科技有限公司 | LED (Light Emitting Diode) illumination intelligent control system |
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| CN103716968A (en) * | 2014-01-09 | 2014-04-09 | 合肥云杉光电科技有限公司 | Road illumination method with direct-current high-voltage direct-driven LEDs converted through three-phase alternating current electric supply |
| CN205283421U (en) * | 2015-11-23 | 2016-06-01 | 上海泓语电气技术有限公司 | LED lighting driver electrical power generating system to high voltage system |
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| WO2017088223A1 (en) | 2017-06-01 |
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Effective date of registration: 20170822 Address after: 261000 No. 2, Central Road, comprehensive bonded area, Shandong, Weifang Applicant after: Shandong Zhongda Power Technology Co., Ltd. Address before: 200331 room 1, building 339, No. 1035, Lane 1203, Qilian Road, Putuo District, Shanghai Applicant before: SHANGHAI HONGYU ELECTRIC TECHNOLOGY CO., LTD. |
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