CN202513586U - Intelligent micro-grid using renewable energy for generating power - Google Patents

Intelligent micro-grid using renewable energy for generating power Download PDF

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Publication number
CN202513586U
CN202513586U CN2011205114373U CN201120511437U CN202513586U CN 202513586 U CN202513586 U CN 202513586U CN 2011205114373 U CN2011205114373 U CN 2011205114373U CN 201120511437 U CN201120511437 U CN 201120511437U CN 202513586 U CN202513586 U CN 202513586U
Authority
CN
China
Prior art keywords
energy
grid
subnet
renewable energy
energy storage
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2011205114373U
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Chinese (zh)
Inventor
李晟
刘广斌
肖慧明
曾鹏飞
陈德志
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HUNAN SINGYES SOLAR TECHNOLOGY Co Ltd
ZHUHAI SINGYES OPTO-ELECTRICAL TECHNOLOGY Co Ltd
ZHUHAI SINGYES RENEWABLE ENERGY TECHNOLOGY Co Ltd
ZHUHAI SINGYES GREEN BUILDING TECHNOLOGY Co Ltd
Original Assignee
HUNAN SINGYES SOLAR TECHNOLOGY Co Ltd
ZHUHAI SINGYES OPTO-ELECTRICAL TECHNOLOGY Co Ltd
ZHUHAI SINGYES RENEWABLE ENERGY TECHNOLOGY Co Ltd
ZHUHAI SINGYES GREEN BUILDING TECHNOLOGY Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by HUNAN SINGYES SOLAR TECHNOLOGY Co Ltd, ZHUHAI SINGYES OPTO-ELECTRICAL TECHNOLOGY Co Ltd, ZHUHAI SINGYES RENEWABLE ENERGY TECHNOLOGY Co Ltd, ZHUHAI SINGYES GREEN BUILDING TECHNOLOGY Co Ltd filed Critical HUNAN SINGYES SOLAR TECHNOLOGY Co Ltd
Priority to CN2011205114373U priority Critical patent/CN202513586U/en
Application granted granted Critical
Publication of CN202513586U publication Critical patent/CN202513586U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E70/00Other energy conversion or management systems reducing GHG emissions
    • Y02E70/30Systems combining energy storage with energy generation of non-fossil origin
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P80/00Climate change mitigation technologies for sector-wide applications
    • Y02P80/10Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
    • Y02P80/14District level solutions, i.e. local energy networks

Abstract

The utility model discloses an intelligent micro-grid using renewable energy for generating power and is applied to a field of new energy power generation. In the prior art, distributed power generation systems form an independent system running independently in a form of a micro grid. When the system electric quantity has a surplus, electricity is conveyed to a remote load. Thus, energy waste is caused. At the same time, important loads need power supply at all times. The utility model provides the intelligent micro-grid using renewable energy for generating power. The intelligent micro-grid using renewable energy for generating power is composed of a renewable energy system, a diesel unit, an energy storing and converting device, a power source switching device, an energy storage device, an energy management device, a sub-grid system and a main power line, wherein the renewable energy system is a main power generation system and the diesel unit is an auxiliary power generation system. Sub-grids can run in an off-grid manner, and also can run in a grid-tied manner. A grid-tied system and an off-grid system can be relatively complemented in energy, thereby improving the power generating efficiency of the whole intelligent micro-grid using renewable energy for generating power.

Description

The little electrical network of renewable energy power generation intelligence
Technical field
The utility model electricity generation system belongs to the generation of electricity by new energy field, relates to the distribution applications field that supplies.
Background technology
At present, distributed generation system being constituted the autonomous system independent operating with the form of microgrid, is to solve remote districts or away from the effective means of seashore isolated island power supply; This grid; When the distributed generation system electric weight is unnecessary, will give load far away electricity, cause energy waste; Important load needs power supply at any time simultaneously, and it is also inconvenient to come from remote accent electricity.
Summary of the invention
To above problem, the characteristics of the utility model are to provide a kind of renewable energy power generation intelligence little electrical network, are main electricity generation system with renewable energy system wherein, and diesel engine unit is an auxiliary generating system.This electrical network subnet both can leave network operation, also can be incorporated into the power networks grid-connected system and can carry out energy complement from the net system; Thereby improve the generating efficiency of the little electrical network of whole intelligence; Simultaneously, when subnet system is incorporated into the power networks, can make whole electrical network even running; Reduce electrical network and fluctuate suddenly, further improve generation of electricity by new energy efficient.
The utility model solves the technical scheme that its technical problem adopted:
Native system is made up of renewable energy system, diesel engine unit, energy energy storage conversion equipment, power transfer device, energy storage device, energy management apparatus, subnet system and main power line.Subnet system, renewable energy system, power transfer device output are connected on the main power line; The input that the output of energy energy storage conversion equipment and diesel engine unit are connected to power transfer device; Energy storage device connects the DC side of energy energy storage conversion equipment, and diesel engine unit connects the input of energy energy storage conversion equipment.Energy management apparatus is connected with diesel engine unit, subnet system, renewable energy system, energy energy storage conversion equipment, power transfer device respectively.
In subnet system, subnet system is made up of subnet renewable energy system, subnet energy energy storage conversion equipment, subnet energy storage device.The subnet renewable energy system is incorporated the output of subnet energy energy storage conversion equipment into, and the subnet energy storage device inserts the DC side of subnet energy energy storage conversion equipment, and the input of subnet energy energy storage conversion equipment inserts on the main power line.The subnet renewable energy system is except giving energy the load, and unnecessary energy is stored in the subnet energy storage device through subnet energy energy storage conversion equipment, realizes reducing whole electrical network and carrying at a distance from network operation, saves resource.When subnet energy storage device energy was full of, subnet can be incorporated into the power networks through the input of subnet energy energy storage conversion equipment, realizes being incorporated into the power networks, and energy is delivered to energy on the main power line through subnet energy storage conversion equipment input, raises the efficiency.When subnet during from the main power line intake, subnet can reduce electrical network and fluctuate suddenly, makes whole electrical network even running.
Renewable energy system comprises wind generator system and photovoltaic generating system: in wind generator system, wind generator system comprises wind turbine generator, wind-force converter and the wind-force cabinet that is incorporated into the power networks.The input of wind turbine generator output incoming transport converter, the output of AC converter is connected with main power line through the wind-force cabinet that is incorporated into the power networks.
In photovoltaic parallel in system, solar photovoltaic generation system comprises solar panel, photovoltaic header box, photovoltaic DC-to-AC converter, grid-connected cabinet.At first be composed in series the class requirement that meets photovoltaic DC-to-AC converter input terminal voltage, electric current by solar panel; Inserting the photovoltaic DC-to-AC converter input to the parallel connection of solar energy series connected battery plate through the direct current header box, photovoltaic DC-to-AC converter group output is connected with main power line through grid-connected cabinet.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further specified:
Accompanying drawing is the structural representation of the little electrical network of renewable energy power generation intelligence.
As shown in the figure:
1. be diesel engine unit;
2. be power transfer device;
3. be energy energy storage conversion equipment;
4. be energy storage device;
5. be subnet system;
6. be renewable energy system;
7. be energy management apparatus;
8. be main power line.
The practical implementation method
Below with reference to accompanying drawing and combine embodiment, specify the utility model.
Subnet system, renewable energy system, power transfer device output are connected on the main power line; The input that the output of energy energy storage conversion equipment and diesel engine unit are connected to power transfer device; Energy storage device connects the DC side of energy energy storage conversion equipment, and diesel engine unit connects the input of energy energy storage conversion equipment.Energy management apparatus is connected with diesel engine unit, subnet system, renewable energy system, energy energy storage conversion equipment, power transfer device respectively.All device motion can be controlled through energy management apparatus, accomplish when accident takes place, can make system's fast reaction, guarantee the normal electricity consumption of user.

Claims (2)

1. the little electrical network of renewable energy power generation intelligence; It is characterized in that: form by renewable energy system, diesel engine unit, energy energy storage conversion equipment, power transfer device, energy storage device, energy management apparatus, subnet system and main power line; Subnet system, renewable energy system, power transfer device output are connected on the main power line; The input that the output of energy energy storage conversion equipment and diesel engine unit are connected to power transfer device; Energy storage device connects the DC side of energy energy storage conversion equipment, and diesel engine unit connects the input of energy energy storage conversion equipment Energy management apparatus is connected with diesel engine unit, subnet system, renewable energy system, energy energy storage conversion equipment, power transfer device respectively.
2. the little electrical network of renewable energy power generation intelligence according to claim 1; Its characteristic is being: in subnet system; Subnet system is made up of subnet renewable energy system, subnet energy energy storage conversion equipment, subnet energy storage device; The subnet renewable energy system is incorporated the output of subnet energy energy storage conversion equipment into, and the subnet energy storage device inserts the DC side of subnet energy energy storage conversion equipment, and the input of subnet energy energy storage conversion equipment inserts on the main power line.
CN2011205114373U 2011-12-09 2011-12-09 Intelligent micro-grid using renewable energy for generating power Expired - Fee Related CN202513586U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011205114373U CN202513586U (en) 2011-12-09 2011-12-09 Intelligent micro-grid using renewable energy for generating power

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011205114373U CN202513586U (en) 2011-12-09 2011-12-09 Intelligent micro-grid using renewable energy for generating power

Publications (1)

Publication Number Publication Date
CN202513586U true CN202513586U (en) 2012-10-31

Family

ID=47066043

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011205114373U Expired - Fee Related CN202513586U (en) 2011-12-09 2011-12-09 Intelligent micro-grid using renewable energy for generating power

Country Status (1)

Country Link
CN (1) CN202513586U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103414181A (en) * 2013-05-16 2013-11-27 中国能源建设集团广东省电力设计研究院 Method for designing micro-grid system
CN103944169A (en) * 2014-04-25 2014-07-23 广东工业大学 Cooperative control method suitable for multi-subnet structure micro-grid
CN106026176A (en) * 2016-07-08 2016-10-12 常州天合光能有限公司 Micro-grid black start system based on distributed energy and black start method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103414181A (en) * 2013-05-16 2013-11-27 中国能源建设集团广东省电力设计研究院 Method for designing micro-grid system
CN103414181B (en) * 2013-05-16 2015-09-16 中国能源建设集团广东省电力设计研究院有限公司 A kind of micro-grid system method for designing
CN103944169A (en) * 2014-04-25 2014-07-23 广东工业大学 Cooperative control method suitable for multi-subnet structure micro-grid
CN106026176A (en) * 2016-07-08 2016-10-12 常州天合光能有限公司 Micro-grid black start system based on distributed energy and black start method thereof

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20121031

Termination date: 20171209