CN203645323U - DC microgrid control system - Google Patents
DC microgrid control system Download PDFInfo
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- CN203645323U CN203645323U CN201320775103.6U CN201320775103U CN203645323U CN 203645323 U CN203645323 U CN 203645323U CN 201320775103 U CN201320775103 U CN 201320775103U CN 203645323 U CN203645323 U CN 203645323U
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- generation module
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- electricity generation
- transducer
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/14—District level solutions, i.e. local energy networks
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Abstract
The utility model discloses a DC microgrid control system. The DC microgrid control system comprises a power generation module and a load, and the power generation module is connected with the load via a DC bus, and comprises a photovoltaic power generation module, a blower fan power generation module, a fuel cell power generation module and a micro-gas turbine power generation module. The power generation module is also connected with an energy storage device, and the energy storage device is connected with the DC bus via a DC/DC converter 4. A power grid is connected with the DC bus via an AC/DC converter 1 used for converting an AC into a DC, and the DC bus is connected with the load via an inverter used for converting the DC into the AC. The DC microgrid control system of the utility model can supply electric energy to the loads of different voltage grades, enables a power supply system to be stable and reliable, saves energy, is high in practicality and good in use effect, and is convenient to popularize and use.
Description
Technical field
The utility model relates to power supply technical field, especially relates to a kind of direct current microgrid control system.
Background technology
The fine non-renewable energy resources that solved of appearance of distributed power generation reduce the problem that has drawback with large-scale power grid centrally connected power supply day by day, although distributed power source has many good qualities, but in the time of fault, distributed power source must excise at once from network, and this has just limited the usefulness performance of distributed power source greatly, and distributed power source composition has been coordinated in the appearance of microgrid well, can be incorporated into the power networks with large electrical network, in the time that large electrical network breaks down, piconet island operation, independent is load power supply; When network configuration changes or breaks down in microgrid, how to coordinate relation between each micro-power supply, so that guarantee under any circumstance can be to load quality supply, this difficult point is exactly the control technology of microgrid; Being incorporated into the power networks of microgrid, affect to a certain extent major network quality, produce such as voltage fluctuation, dodged limit etc., computer, this class sensitive equipment of microprocessor are harsher to the requirement of the quality of power supply, even falling all, the voltage in several cycles will affect the normal work of this kind equipment, cause huge economic loss to society, therefore, the control to the quality of power supply and improvement just seem particularly important.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, a kind of direct current microgrid control system is provided, and it is simple in structure, reasonable in design, it is convenient to realize, use simple operation, can provide electric energy to the load of different electric pressures, electric power system is reliable and stable, energy savings, practical, result of use is good, is convenient to promote the use of.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of direct current microgrid control system, it is characterized in that: comprise electricity generation module and load, described electricity generation module joins by DC bus and load, described electricity generation module comprises photovoltaic generating module, blower fan electricity generation module, fuel cell power generation module and miniature combustion engine electricity generation module, described photovoltaic generating module by join successively for solar energy being converted to the photovoltaic module of electric energy and forming for the DC/DC transducer three that high voltage direct current is converted to low-voltage DC, described blower fan electricity generation module by join successively for wind energy being converted to the blower fan of electric energy and forming for alternating current being converted to galvanic AC/DC transducer two, described fuel cell power generation module can be converted to the fuel cell of electric energy by fuel combustion by chemical energy and form for the DC/DC transducer two that high voltage direct current is converted to low-voltage DC by what join successively, described miniature combustion engine electricity generation module is made up of miniature combustion engine and the DC/DC transducer one for fuel chemical energy being converted into electric energy that join successively, described electricity generation module also joins with energy storage device, described energy storage device joins by DC/DC transducer four and DC bus, described electrical network is by joining with DC bus for alternating current being converted to galvanic AC/DC transducer one, and described DC bus is by joining for the inverter and the load that direct current are converted to alternating current.
The utility model compared with prior art has the following advantages:
1, the utility model is simple in structure, reasonable in design, and it is convenient to realize.
2, the utility model can provide electric energy to the load of different electric pressures, and electric power system is reliable and stable, energy savings.
3, job stability of the present utility model is high, long service life.
4, of the present utility model practical, result of use is good, is convenient to promote the use of.
In sum, the utility model is simple in structure, reasonable in design, and it is convenient to realize, use simple operation, can provide electric energy to the load of different electric pressures, electric power system is reliable and stable, energy savings, long service life, practical, result of use is good, is convenient to promote the use of.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is theory diagram of the present utility model.
Description of reference numerals:
1-electrical network; 2-miniature combustion engine; 3-fuel cell;
4-photovoltaic module; 5-blower fan; 6-energy storage device;
7-AC/DC transducer one; 8-DDC/DC transducer one; 9-DC/DC transducer two;
10-DC/DC transducer three; 11-AC/DC transducer two; 12-DC/DC transducer four;
13-inverter; 14-load.
Embodiment
As shown in Figure 1, the utility model comprises electricity generation module and load 14, described electricity generation module joins by DC bus and load 14, described electricity generation module comprises photovoltaic generating module, blower fan electricity generation module, fuel cell power generation module and miniature combustion engine electricity generation module, described photovoltaic generating module by join successively for solar energy being converted to the photovoltaic module 4 of electric energy and forming for the DC/DC transducer 3 10 that high voltage direct current is converted to low-voltage DC, described blower fan electricity generation module by join successively for wind energy being converted to the blower fan 5 of electric energy and forming for alternating current being converted to galvanic AC/DC transducer 2 11, described fuel cell power generation module can be converted to the fuel cell 3 of electric energy by fuel combustion by chemical energy and form for the DC/DC transducer 29 that high voltage direct current is converted to low-voltage DC by what join successively, described miniature combustion engine electricity generation module is made up of miniature combustion engine 2 and the DC/DC transducer 1 for fuel chemical energy being converted into electric energy that join successively, described electricity generation module also joins with energy storage device 6, described energy storage device 6 joins by DC/DC transducer 4 12 and DC bus, described electrical network is by joining with DC bus for alternating current being converted to galvanic AC/DC transducer 1, and described DC bus joins by the inverter 13 for direct current being converted to alternating current and load 14.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every any simple modification of above embodiment being done according to the utility model technical spirit, change and equivalent structure change, and all still belong in the protection range of technical solutions of the utility model.
Claims (1)
1. a direct current microgrid control system, it is characterized in that: comprise electricity generation module and load (14), described electricity generation module joins by DC bus and load (14), described electricity generation module comprises photovoltaic generating module, blower fan electricity generation module, fuel cell power generation module and miniature combustion engine electricity generation module, described photovoltaic generating module by join successively for solar energy being converted to the photovoltaic module (4) of electric energy and forming for the DC/DC transducer three (10) that high voltage direct current is converted to low-voltage DC, described blower fan electricity generation module by join successively for wind energy being converted to the blower fan (5) of electric energy and forming for alternating current being converted to galvanic AC/DC transducer two (11), described fuel cell power generation module can be converted to the fuel cell (3) of electric energy by fuel combustion by chemical energy and form for the DC/DC transducer two (9) that high voltage direct current is converted to low-voltage DC by what join successively, described miniature combustion engine electricity generation module is made up of miniature combustion engine (2) and the DC/DC transducer one (8) for fuel chemical energy being converted into electric energy that join successively, described electricity generation module also joins with energy storage device (6), described energy storage device (6) joins by DC/DC transducer four (12) and DC bus, described electrical network is by joining with DC bus for alternating current being converted to galvanic AC/DC transducer one (7), and described DC bus joins by the inverter (13) for direct current being converted to alternating current and load (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320775103.6U CN203645323U (en) | 2013-11-28 | 2013-11-28 | DC microgrid control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320775103.6U CN203645323U (en) | 2013-11-28 | 2013-11-28 | DC microgrid control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203645323U true CN203645323U (en) | 2014-06-11 |
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ID=50876544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320775103.6U Expired - Fee Related CN203645323U (en) | 2013-11-28 | 2013-11-28 | DC microgrid control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203645323U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106160022A (en) * | 2015-03-31 | 2016-11-23 | 积能环保电机工程科技有限公司 | Direct current multivoltage electrical power trans mission/distribution system |
-
2013
- 2013-11-28 CN CN201320775103.6U patent/CN203645323U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106160022A (en) * | 2015-03-31 | 2016-11-23 | 积能环保电机工程科技有限公司 | Direct current multivoltage electrical power trans mission/distribution system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140611 Termination date: 20141128 |
|
| EXPY | Termination of patent right or utility model |