CN104734138A - Pure direct-current modularization electrical system - Google Patents
Pure direct-current modularization electrical system Download PDFInfo
- Publication number
- CN104734138A CN104734138A CN201310728159.0A CN201310728159A CN104734138A CN 104734138 A CN104734138 A CN 104734138A CN 201310728159 A CN201310728159 A CN 201310728159A CN 104734138 A CN104734138 A CN 104734138A
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- China
- Prior art keywords
- module
- electrical system
- pure
- current
- direct
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Classifications
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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
- H02J1/00—Circuit arrangements for dc mains or dc distribution networks
- H02J1/10—Parallel operation of dc sources
-
- 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
- H02J1/00—Circuit arrangements for dc mains or dc distribution networks
- H02J1/08—Three-wire systems; Systems having more than three wires
- H02J1/082—Plural DC voltage, e.g. DC supply voltage with at least two different DC voltage levels
Abstract
The invention provides a pure direct-current modularization electrical system which comprises an AC/DC module and a DC/DC module. The input end of the AC/DC module is connected with an external alternating-current power source, the output end of the AC/DC module is connected with a direct-current bus, and the output end of the AC/DC module outputs direct-current high voltage and is used for being connected with a direct-current high-voltage load. The input end of the DC/DC module is connected with the direct-current bus, and the output end of the DC/DC module is used for being connected with a direct-current low-voltage load. By means of the pure direct-current modularization electrical system, devices are saved, the utilization efficiency of the devices is improved, the devices can be increased or decreased according to the practical needs, and waste of engineering reconstruction is reduced.
Description
Technical field
The present invention relates to electric field, particularly relate to a kind of pure DC Module electrical system.
Background technology
The design of current direct current system lacks modularized design, and load increases or reduce electrical parameter in the capacity and Circuits System all needing to recalculate each carrier and model is selected, and is equivalent to redesign new Circuits System.Cost is high, and the cycle is long.
Summary of the invention
In view of the present situation of prior art, the object of the present invention is to provide a kind of pure DC Module electrical system, it saves equipment, improves the service efficiency of equipment, can increase according to the actual requirements or minimizing equipment, reduce engineered waste.For achieving the above object, technical scheme of the present invention is as follows:
A kind of pure DC Module electrical system, comprises AC/DC module and DC/DC module;
The input of described AC/DC module connects peripheral hardware AC power, and the output of described AC/DC module connects DC bus, and the output of described AC/DC module exports high direct voltage, for connecting high direct voltage load;
The input of described DC/DC module connects described DC bus, and the output of described DC/DC module is for connecting DC low-voltage load.
More preferably, the quantity of described DC/DC module is multiple.
More preferably, the quantity of described high direct voltage load is multiple, and multiple described high direct voltage load is arranged in parallel.
More preferably, the quantity of described DC low-voltage load be also multiple, multiple described DC low-voltage load is arranged in parallel.
More preferably, described peripheral hardware AC power is single phase alternating current power supply or three-phase alternating-current supply.
More preferably, the output voltage of described DC/DC module is less than or equal to 36V.
More preferably, DC carrier wave communication is adopted between described AC/DC module and described DC/DC module.
The invention has the beneficial effects as follows:
Pure DC Module electrical system of the present invention, saves equipment, improves the service efficiency of equipment, can increase according to the actual requirements or minimizing equipment, reduce engineered waste.
Accompanying drawing explanation
Fig. 1 is the electrical block diagram of pure DC Module electrical system one embodiment of the present invention.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, pure DC Module electrical system of the present invention is further elaborated.Should be appreciated that specific embodiment described herein only for explaining the present invention, being not intended to limit the present invention.
With reference to Fig. 1, pure DC Module electrical system one embodiment of the present invention comprises AC/DC module 1 and DC/DC module 2, the input of AC/DC module 1 connects peripheral hardware AC power, the output of AC/DC module 1 connects DC bus 5, the output of AC/DC module 1 exports high direct voltage, input for connecting high direct voltage load 3, DC/DC module 2 connects the output of DC bus 5, DC/DC module 2 for connecting DC low-voltage load 4.Peripheral hardware AC power is single phase alternating current power supply or three-phase alternating-current supply, and single-phase or three phase mains, after the rectification of AC/DC module, can directly supply high direct voltage load.
As a kind of embodiment, the quantity of DC/DC module 2 is multiple, and the quantity of high direct voltage load 3 is multiple, and multiple high direct voltage load 3 is arranged in parallel.The quantity of DC low-voltage load 4 be also multiple, multiple DC low-voltage load 4 is arranged in parallel.The output voltage of DC/DC module 2 is less than or equal to 36V.These load units all share same DC bus 5 above, and each unit is separate, can increase according to actual needs or reduce.The interface of reserved standard on bus, the access of load only needs wiring over that interface.
As a kind of embodiment, between AC/DC module 1 and DC/DC module 2, adopt DC carrier wave communication.DC carrier wave communication technology can be adopted to carry out communication and control between each load blocks and AC/DC module 1, DC/DC module 2, information butt joint good between guaranteeing, each module adopts standardized designs, can swap modules according to the actual requirements.
AD/DC module 1 can adopt diode or IBGT etc. to carry out rectification, and high direct voltage load 3 can directly from power taking DC bus 5; High direct voltage powers to after DC/DC module 2 converts DC low-voltage load 4.Each load blocksization design, adopts standard interface; On bus, interface also adopts standardized designs, and be reserved with the interface of some, aspect increases load newly.Such as, in certain family's distribution system, family increases 2 direct-flow air conditioners newly, only need draw 2 lines on bus pick on air-conditioning and can complete according to the method for this patent.
Direct current system load blocksization design, load sharing DC bus, one drag many, by modules standardized designs.Multi-load module common bus, realize a reorganizer and drag multiple load, common bus technology and load all adopt standardized designs.This system can reduce rectification unit, and save equipment, each modularization standardization, can improve anti-electromagnetic interference capability, uses DC36V and following voltage, can improve fail safe for low-power load.The service efficiency of raising equipment, can increase according to the actual requirements or minimizing equipment, reduce engineered waste.
The above embodiment only have expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (7)
1. a pure DC Module electrical system, is characterized in that:
Comprise AC/DC module and DC/DC module;
The input of described AC/DC module connects peripheral hardware AC power, and the output of described AC/DC module connects DC bus, and the output of described AC/DC module exports high direct voltage, for connecting high direct voltage load;
The input of described DC/DC module connects described DC bus, and the output of described DC/DC module is for connecting DC low-voltage load.
2. pure DC Module electrical system according to claim 1, is characterized in that:
The quantity of described DC/DC module is multiple.
3. pure DC Module electrical system according to claim 1, is characterized in that:
The quantity of described high direct voltage load is multiple, and multiple described high direct voltage load is arranged in parallel.
4. pure DC Module electrical system according to claim 1, its feature exists:
The quantity of described DC low-voltage load be also multiple, multiple described DC low-voltage load is arranged in parallel.
5. the pure DC Module electrical system according to any one of claim 1-4, is characterized in that:
Described peripheral hardware AC power is single phase alternating current power supply or three-phase alternating-current supply.
6. pure DC Module electrical system according to claim 5, is characterized in that:
The output voltage of described DC/DC module is less than or equal to 36V.
7. pure DC Module electrical system according to claim 5, is characterized in that:
DC carrier wave communication is adopted between described AC/DC module and described DC/DC module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310728159.0A CN104734138A (en) | 2013-12-24 | 2013-12-24 | Pure direct-current modularization electrical system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310728159.0A CN104734138A (en) | 2013-12-24 | 2013-12-24 | Pure direct-current modularization electrical system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104734138A true CN104734138A (en) | 2015-06-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310728159.0A Pending CN104734138A (en) | 2013-12-24 | 2013-12-24 | Pure direct-current modularization electrical system |
Country Status (1)
| Country | Link |
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| CN (1) | CN104734138A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107919809A (en) * | 2017-11-24 | 2018-04-17 | 南京南瑞继保电气有限公司 | A kind of energy accumulation current converter system and its control method |
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| US20020041504A1 (en) * | 2000-10-06 | 2002-04-11 | Jurgen Steinke | Converter system having converter modules connected by a DC intermediate circuit, and method for operating such a system |
| CN1981415A (en) * | 2004-02-18 | 2007-06-13 | 多样化技术公司 | More compact and higher reliability power supply module |
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| CN202993467U (en) * | 2012-11-14 | 2013-06-12 | 珠海格力电器股份有限公司 | Power source control system for solar air conditioner |
| CN103441677A (en) * | 2013-08-21 | 2013-12-11 | 中国人民解放军海军工程大学 | Modularization megawatt medium-voltage medium-frequency multi-level inverter full-bridge direct current converter |
| CN203722231U (en) * | 2013-12-24 | 2014-07-16 | 珠海格力电器股份有限公司 | A pure direct current modularized electrical system |
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2013
- 2013-12-24 CN CN201310728159.0A patent/CN104734138A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1217096A (en) * | 1996-03-07 | 1999-05-19 | 尼克斯特克电力系统公司 | Modular power management system and method |
| CN1326261A (en) * | 2000-05-29 | 2001-12-12 | 欧姆龙株式会社 | Power device and power module therewith |
| US20020041504A1 (en) * | 2000-10-06 | 2002-04-11 | Jurgen Steinke | Converter system having converter modules connected by a DC intermediate circuit, and method for operating such a system |
| CN1981415A (en) * | 2004-02-18 | 2007-06-13 | 多样化技术公司 | More compact and higher reliability power supply module |
| CN101496267A (en) * | 2005-10-14 | 2009-07-29 | 雅达电子国际有限公司 | Multiphase DC to DC converter |
| CN102593832A (en) * | 2012-03-15 | 2012-07-18 | 武汉大学 | Three-wire DC microgrid system suitable for modern buildings and control method thereof. |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107919809A (en) * | 2017-11-24 | 2018-04-17 | 南京南瑞继保电气有限公司 | A kind of energy accumulation current converter system and its control method |
| CN107919809B (en) * | 2017-11-24 | 2020-01-10 | 南京南瑞继保电气有限公司 | Energy storage converter system and control method thereof |
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Application publication date: 20150624 |
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