CN206041524U - Micro -grid system - Google Patents
Micro -grid system Download PDFInfo
- Publication number
- CN206041524U CN206041524U CN201621016412.5U CN201621016412U CN206041524U CN 206041524 U CN206041524 U CN 206041524U CN 201621016412 U CN201621016412 U CN 201621016412U CN 206041524 U CN206041524 U CN 206041524U
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- microgrid
- solar energy
- bus
- power generation
- photovoltaic generator
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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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
-
- 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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/76—Power conversion electric or electronic aspects
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- Supply And Distribution Of Alternating Current (AREA)
- Photovoltaic Devices (AREA)
Abstract
The utility model discloses a micro -grid system, including main devices such as energy storage, solar photovoltaic power generation facility, solar energy light and heat power generation facility, wind -force power generation facility, load, circuit breakers, can carry out the electricity generation characteristic research of the multiple distributed energy. This system adopts hybrid AC/DC type microgrid structure to segment through the circuit breaker on ac bus, different states combination through the circuit breaker can be unwind micro -grid system and make up, is convenient for study the seamless handover between control strategy, microgrid and the electric wire netting of microgrid, the technical research such as interconnection between the microgrid.
Description
【Technical field】
This utility model is specifically related to a kind of micro-grid system.
【Background technology】
At present, peter out with fossil fuel resource, low energy efficiency and highlighting the problems such as environmental pollution, it is international
On more sight have been invested distribution that can improve that traditional energy utilization ratio can make full use of various regenerative resources again
Formula generating correlation technique.All in the utilization for developing new forms of energy, strengthen regenerative resource, micro-capacitance sensor is used as distribution for countries in the world
The effective way that the formula energy is accessed, has become the hot research field of power system in recent years about the research work of micro-capacitance sensor
One of.
【Utility model content】
The purpose of this utility model is to provide a kind of micro-grid system, it is adaptable to various new energy power generation technology researchs,
The system can take into account alternating current-direct current hybrid microgrid characteristic research, the research of microgrid master ＆ slave control and equity control and microgrid simultaneously
Synchronous interconnection research between microgrid.
For reaching above-mentioned purpose, this utility model is employed the following technical solutions：
A kind of micro-grid system, including energy storage device, solar energy photovoltaic generator, solar energy light heat generator, wind
Power generation device, load and chopper；
Microgrid ac bus BUS1 is connected with electrical network by microgrid entirely through chopper BRK1, on microgrid ac bus BUS1
It is in parallel successively to access energy storage device, solar energy photovoltaic generator PV1, solar energy photovoltaic generator PV2 and load RLC1, its
Middle energy storage device accesses microgrid ac bus BUS1 by bidirectional energy-storage current transformer PCS；
Microgrid ac bus BUS2 is connected by chopper BRK2 with microgrid ac bus BUS1, microgrid ac bus BUS2
On in parallel successively access wind power generation plant WIND, solar energy photovoltaic generator PV5, solar energy light heat generator PH and negative
Carry RLC2, dc bus DCBUS and microgrid ac bus BUS2 is accessed by an inverter DC/AC.
Further, it is in parallel successively on the dc bus DCBUS to access solar energy photovoltaic generator PV3 and solar energy
Volt TRT PV4, solar energy photovoltaic generator PV3 and solar energy photovoltaic generator PV4 are connect by changer DC/DC
Enter dc bus DCBUS.
The beneficial effects of the utility model are：
Micro-grid system of the present utility model include energy storage, solar energy photovoltaic generator, solar energy light heat generator,
The main distributed power generation unit such as wind power generation plant, can carry out the power generation characteristics research of various distributed energies.The system is adopted
With alternating current-direct current hybrid microgrid structure, and it is segmented by chopper on ac bus, by the different conditions of chopper
Micro-grid system can be unwind and be combined by combination, be easy to study the control strategy, seamless between microgrid and electrical network of microgrid
The technical research such as the interconnection between switching, microgrid.
【Description of the drawings】
Fig. 1 is structural representation of the present utility model.
【Specific embodiment】
Below in conjunction with the accompanying drawings this utility model is described in further detail：
With reference to shown in Fig. 1, a kind of micro-grid system, including energy storage, solar energy photovoltaic generator, solar light-heat power-generation
The main devices such as device, wind power generation plant, load, chopper.Microgrid is entirely through chopper BRK1 by microgrid ac bus
BUS1 is connected with electrical network, on microgrid ac bus BUS1 successively it is in parallel access energy storage device, solar energy photovoltaic generator PV1,
Solar energy photovoltaic generator PV2, load, wherein energy storage device access microgrid ac bus by bidirectional energy-storage current transformer PCS
BUS1；
Further, microgrid ac bus BUS1 is connected by chopper BRK2 with microgrid ac bus BUS2, and microgrid is handed over
It is in parallel successively on stream bus BUS2 to access wind power generation plant WIND, solar energy photovoltaic generator PV5, solar light-heat power-generation
Device PH, dc bus DCBUS access microgrid ac bus BUS2, load by a DC/AC inverter；
Further, it is in parallel successively on dc bus DCBUS to access solar energy photovoltaic generator PV3 and photovoltaic
TRT PV4, PV3 and PV4 access dc bus DCBUS by changer DC/DC；PCS、PV1、PV2、PV3、PV4、
PV5, PH, RLC1, RLC2 are the controllable in micro-grid system.
BRK1 is closed, when BRK2 is closed：Whole micro-grid system is incorporated into the power networks, and can carry out photovoltaic, wind-powered electricity generation, photo-thermal, battery
The grid-connected characteristic research of management；AC and DC mixing microgrid characteristic research；
BRK1 is closed, when BRK2 disconnects：It is that MG1 and MG2, MG1 are in and are incorporated into the power networks that whole micro-grid system can unwind,
MG2 is in off-grid operation.The grid-connected characteristic research of solar energy power generating can be now carried out, the characteristic of battery management system is ground
Study carefully, while in view of energy storage not being contained in MG2, can carry out the research of microgrid droop control, carry out photo-thermal power generation and wind-force is sent out
The characteristic research of electricity；
BRK1 disconnects, when BRK2 is closed：Whole microgrid is in off-network state, can carry out distributed power source in microgrid
Characteristic research, because including energy storage in whole system, can carry out the research of master ＆ slave control and equity control, while can carry out micro-
The research of net seamless switching technique；
BRK1 disconnects, when BRK2 disconnects：It is that MG1 and MG2, MG1 are transported in off-network with MG2 that whole micro-grid system can unwind
OK.The interconnection research between microgrid can now be carried out.
This utility model is applied to various new energy power generation technology researchs, at the same the system can to take into account alternating current-direct current hybrid micro-
Synchronous interconnection research between net characteristic research, the research of microgrid master ＆ slave control and equity control and microgrid and microgrid.
A kind of embodiment of the present utility model is the foregoing is only, is not all of or unique embodiment, this area
Any equivalent change that those of ordinary skill is taken to technical solutions of the utility model by reading this utility model description
Change, be claim of the present utility model and covered.
Claims (2)
1. a kind of micro-grid system, it is characterised in that：Send out including energy storage device, solar energy photovoltaic generator, solar energy optical-thermal
Electric installation, wind power generation plant, load and chopper；
Microgrid ac bus BUS1 is connected with electrical network by microgrid entirely through chopper BRK1, on microgrid ac bus BUS1 successively
It is in parallel to access energy storage device, solar energy photovoltaic generator PV1, solar energy photovoltaic generator PV2 and load RLC1, wherein store up
Energy device accesses microgrid ac bus BUS1 by bidirectional energy-storage current transformer PCS；
Microgrid ac bus BUS2 is connected by chopper BRK2 with microgrid ac bus BUS1, on microgrid ac bus BUS2 according to
Secondary access wind power generation plant WIND in parallel, solar energy photovoltaic generator PV5, solar energy light heat generator PH and load
RLC2, dc bus DCBUS access microgrid ac bus BUS2 by an inverter DC/AC.
2. micro-grid system according to claim 1, it is characterised in that：Successively and couple on the dc bus DCBUS
Enter solar energy photovoltaic generator PV3 and solar energy photovoltaic generator PV4, solar energy photovoltaic generator PV3 and solar energy
Photovoltaic power generation apparatus PV4 accesses dc bus DCBUS by changer DC/DC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621016412.5U CN206041524U (en) | 2016-08-30 | 2016-08-30 | Micro -grid system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621016412.5U CN206041524U (en) | 2016-08-30 | 2016-08-30 | Micro -grid system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206041524U true CN206041524U (en) | 2017-03-22 |
Family
ID=58300525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621016412.5U Active CN206041524U (en) | 2016-08-30 | 2016-08-30 | Micro -grid system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206041524U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107240934A (en) * | 2017-06-16 | 2017-10-10 | 华北电力大学（保定） | Alternating current-direct current mixing microgrid multi-mode operation control method for coordinating and smooth-switching method |
-
2016
- 2016-08-30 CN CN201621016412.5U patent/CN206041524U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107240934A (en) * | 2017-06-16 | 2017-10-10 | 华北电力大学（保定） | Alternating current-direct current mixing microgrid multi-mode operation control method for coordinating and smooth-switching method |
| CN107240934B (en) * | 2017-06-16 | 2020-03-13 | 华北电力大学（保定） | AC/DC hybrid micro-grid multi-mode operation coordination control method and smooth switching method |
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| GR01 | Patent grant |