CN104283494A - Small wind-light-stored energy supplementary power generation cluster autonomous control system based on wireless sensor network - Google Patents
Small wind-light-stored energy supplementary power generation cluster autonomous control system based on wireless sensor network Download PDFInfo
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- CN104283494A CN104283494A CN201410485018.5A CN201410485018A CN104283494A CN 104283494 A CN104283494 A CN 104283494A CN 201410485018 A CN201410485018 A CN 201410485018A CN 104283494 A CN104283494 A CN 104283494A
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- 238000010248 power generation Methods 0.000 title claims abstract description 32
- 238000004891 communication Methods 0.000 claims abstract description 37
- 230000005540 biological transmission Effects 0.000 claims abstract description 16
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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
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/46—Controlling of the sharing of output between the generators, converters, or transformers
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- H02J13/0017—
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S10/00—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power
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- H02J3/383—
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- H02J3/386—
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
-
- 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
-
- 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
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/70—Smart grids as climate change mitigation technology in the energy generation sector
-
- 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
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/12—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Eletrric Generators (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Wind Motors (AREA)
Abstract
The invention provides a small wind-light-stored energy supplementary power generation cluster autonomous control system based on a wireless sensor network. The operation condition of a wind-light-stored energy supplementary power generation cluster is monitored in real time through the ZigBee wireless sensor network technology, wireless networking is achieved through the ZigBee technology, the network is formed through all the wind-light-stored energy subsystem monitoring points, a ZigBee network center node communicates with a monitoring center in a GPRS mode, and therefore a distributed type remote transmission communication monitoring system based on ZigBee and the GPRS is established. The system is mainly formed by integrating multiple distributed measurement and control RTU intelligent units of the power generation cluster. Each distributed measurement and control RTU intelligent unit is composed of a distributed intelligent control unit, a data acquisition unit module, a relay route module, a concentrator module, a ZigBee wireless communication module, a ZigBee relay route module and a GPRS communication module. Potential advantages of light, wind and stored energy multi-energy supplementary micro-grid system are used, the autonomous control system is in a main mode of distributed new power operation in future, a research system has the practical value, the application prospect of the wind-light-stored energy supplementary power generation cluster autonomous control system is wide, and the application number is large.
Description
Technical field
The present invention relates to technical field that is electric, Internet of Things, especially relate to the self-control system that a kind of small-sized scene based on wireless sensor network stores complemental power-generation group.
Background technology
Clearly propose in National Program for Medium-to Long-term Scientific and Technological Development to want Efforts To Develop " exploitation of regenerative resource low-coat scaleization ".In order to solve the contradiction between electric power system and distributed power source, integrate the advantage of distributed power generation, give full play to the economic benefit that distributed power source brings for electric power system and user, micro-capacitance sensor technology earns widespread respect.Micro-grid system is that one is made up of jointly load and micro power. system, and it can provide electric energy and heat simultaneously; The power supply of micro-grid system inside is responsible for the conversion of energy primarily of power electronic device, and provides required control; Micro-grid system shows as single controlled cell relative to outside bulk power grid, and can meet user to the requirement such as the quality of power supply and power supply safety simultaneously.Be expected to improve power supply reliability and economic benefit by the complementary microgrid scheme of wind/light/energy storage.
General wind turbine generator power output fluctuates along with wind speed change, and therefore people can not the power output of Accurate Prediction wind generator system.Generally lack complementary micro-grid system appropriate design and coupling, adopt wind-light complementary system to power many, less employing stand-by power supply etc., adaptability is bad.
Complemental power-generation group micro-grid system is generally as independent electric power supply simultaneously, be applied in the remote districts that bulk power grid does not cover, and running time is longer, needs traditional monitoring technique not to be suitable for.Unattended remote monitoring technique should be adopted; unified monitoring, management and control are carried out to station equipment and Microcomputer Protection; so wireless sensor network monitoring can in real time, effective information exchange, information sharing, Optimum Operation, such that system safety is stable continues operation reliably.
Typical central control system can not solve the control problem that scene stores complemental power-generation group, particularly when causing microgrid voltage in the situations such as electrical network or distributed power source break down, when frequencies etc. occur that larger fluctuation exceedes allowed band, overall situation real time information energy flow optimization computation is slower, and the fault such as the interruption that can face communication control net, therefore the real-time autonomous distributed power source of ZigBee technology of wireless sensing network is adopted to control, can according to overall static information and local information, to voltage, frequencies etc. exceed allowable fluctuation range situation and carry out instant adjustment, form reliable distributed monitoring system.
Summary of the invention
Technical problem solved by the invention is to provide the self-control system that a kind of small-sized scene based on wireless sensor network stores complemental power-generation group.Utilizing the potential advantages of light/wind/store micro-grid system of providing multiple forms of energy to complement each other, is also one of Main Patterns of running of following distributed new power.Study system realizes having more practical value.
For achieving the above object, the invention provides the self-control system that a kind of small-sized scene based on wireless sensor network stores complemental power-generation group, it is characterized in that: utilize ZigBee technology of wireless sensing network to monitor in real time operation conditions that scene stores complemental power-generation group, ZigBee technology is utilized to realize wireless networking, each scene is stored subsystem monitoring point and form network, communicated with Surveillance center in GPRS mode by ZigBee Network Central Node, thus build a distributed monitoring system communicated based on the remote transmission of ZigBee with GPRS, system is by multiple distribution observing and controlling RTU intelligent cells integrated of the group that generates electricity, described distribution observing and controlling RTU, be specially:
(1) data collector module: gather the data that scene stores each generator unit in complemental power-generation group, according to different semaphore requests, the sensor element of preposition response, obtains the electric signal of generator unit transducer.
(2) Zigbee wireless communication module: the electric signal of data collector module is converted into Zigbee wireless signal.
(3) Zigbee repeater routing module: process radio communication mold blocks of data, solves the problem of signal attenuation, sends into Data Data and concentrates device module
(4) data concentrator module: Zigbee wireless communication data scene being stored to the multiplex of complemental power-generation group focuses on, carries out according to data channel numbering
(5) GPRS communication module: the data receiving data concentrator module, carries out the modulation of GPRS signal of communication, sends to other distribution observing and controlling RTU unit, receives the data of other unit simultaneously.
(6) distributed intelligence control unit: according to the local information of transmission and the signal such as voltage, frequency of transmission, according to the rule of setting, carry out instant adjustment.
Described distributed intelligence control unit is specially:
Wind power system and photovoltaic cell component by the power storage that jointly sends in batteries, controller carries out real-time inspection and control according to the change of the power of illumination, the size of wind-force and load to the operating state of wind-driven generator, photovoltaic cell component, batteries, ensures system safety and works reliably, the self-control system that scene based on wireless sensor network stores complemental power-generation group gathers in the data feeding data collector module of each generator unit, the electric signal of data collector module is converted into Zigbee wireless signal, send in Zigbee wireless communication module, radio communication mold blocks of data is processed, solve the problem of signal attenuation, sending into Data Data concentrates in device Zigbee repeater routing module, carry out Zigbee wireless communication data to focus on, carry out according to data channel numbering, send in data concentrator module, receive the data of data concentrator module, carry out the modulation of GPRS signal of communication, send to other distribution observing and controlling RTU unit, receive the data of other unit simultaneously, send in GPRS communication module, distributed intelligence control unit: according to the local information of transmission and the voltage of transmission, the signals such as frequency, according to the rule of setting, carry out instant adjustment, distributed intelligence control unit is according to the change of the power of illumination, the size of wind-force and load, constantly the operating state of storage battery switched by distributed intelligence control unit and regulate, make its alternate run under the various working such as charging, electric discharge or floating charge, realize automatic equalization charging, thus ensure the stability of wind-force, the work of photovoltaic complementary power generation system, prevent overcharge of a battery and overdischarge.By loading inverter, be that alternating current supply AC load uses by DC power conversion; Or when load voltage is consistent with battery tension, directly draw for DC load from controller output end.
A kind of small-sized scene based on wireless sensor network that the present invention proposes stores the self-control system of complemental power-generation group, utilizes the potential advantages of light/wind/store micro-grid system of providing multiple forms of energy to complement each other, and is also one of Main Patterns of running of following distributed new power.Study system realizes having more practical value.The self-control system application prospect that scene stores complemental power-generation group is extensive, and number of applications is huge.Its economic benefit is immeasurable.
Accompanying drawing explanation
Fig. 1 is the structure chart of self-control system of the present invention;
Fig. 2 is the observing and controlling RTU structure chart that distributes in the present invention;
Fig. 3 is distributed intelligence control unit structure chart in the present invention.
Embodiment
Technical problem solved for a better understanding of the present invention, the technical scheme provided, below in conjunction with drawings and Examples, be further elaborated to the present invention.Specific embodiment described herein only in order to explain enforcement of the present invention, but is not intended to limit the present invention.
In an embodiment, a kind of small-sized scene based on wireless sensor network that the present invention that what Fig. 1 was exemplary give proposes stores the structure chart of the self-control system of complemental power-generation group, comprising:
Specific embodiment: utilize ZigBee technology of wireless sensing network to monitor in real time operation conditions that scene stores complemental power-generation group, ZigBee technology is utilized to realize wireless networking, each scene is stored subsystem monitoring point and form network, communicated with Surveillance center in GPRS mode by ZigBee-network Centroid, thus build a distributed monitoring system communicated based on the remote transmission of ZigBee with GPRS, wherein distributed intelligence control unit, data collector module, repeater routing module and concentrator module constitute distribution observing and controlling RTU unit.Dotted line is the GPRS communication connection of each distribution observing and controlling RTU unit.
In an embodiment, the distribution observing and controlling RTU structure chart that the present invention that the present invention that what Fig. 2 was exemplary give proposes proposes, comprising:
Specific embodiment:
(1) data collector module: gather the data that scene stores each generator unit in complemental power-generation group, according to different semaphore requests, the sensor element of preposition response, obtains the electric signal of generator unit transducer.
(2) Zigbee wireless communication module: the electric signal of data collector module is converted into Zigbee wireless signal.
(3) Zigbee repeater routing module: process radio communication mold blocks of data, solves the problem of signal attenuation, sends into Data Data and concentrates device module
(4) data concentrator module: Zigbee wireless communication data scene being stored to the multiplex of complemental power-generation group focuses on, carries out according to data channel numbering
(5) GPRS communication module: the data receiving data concentrator module, carries out the modulation of GPRS signal of communication, sends to other distribution observing and controlling RTU unit, receives the data of other unit simultaneously.
(6) distributed intelligence control unit: according to the local information of transmission and the signal such as voltage, frequency of transmission, according to the rule of setting, carry out instant adjustment.
In an embodiment, what Fig. 3 was exemplary gives the present invention the distributed intelligence control unit structure chart proposed, and comprising:
Specific embodiment: wind power system and photovoltaic cell component by the power storage that jointly sends in batteries, controller carries out real-time inspection and control according to the change of the power of illumination, the size of wind-force and load to the operating state of wind-driven generator, photovoltaic cell component, batteries, ensures system safety and works reliably.The self-control system that scene based on wireless sensor network stores complemental power-generation group gathers in the data feeding data collector module of each generator unit, the electric signal of data collector module is converted into Zigbee wireless signal, send in Zigbee wireless communication module, radio communication mold blocks of data is processed, solve the problem of signal attenuation, sending into Data Data concentrates in device Zigbee repeater routing module, carry out Zigbee wireless communication data to focus on, carry out according to data channel numbering, send in data concentrator module, receive the data of data concentrator module, carry out the modulation of GPRS signal of communication, send to other distribution observing and controlling RTU unit, receive the data of other unit simultaneously.Send in GPRS communication module, distributed intelligence control unit: according to the local information of transmission and the signal such as voltage, frequency of transmission, according to the rule of setting, carry out instant adjustment.Distributed intelligence control unit is according to the change of the power of illumination, the size of wind-force and load, constantly the operating state of storage battery switched by distributed intelligence control unit and regulate, make its alternate run under the various working such as charging, electric discharge or floating charge, realize automatic equalization charging, thus ensure the stability of wind-force, the work of photovoltaic complementary power generation system; Prevent overcharge of a battery and overdischarge.By loading inverter, be that alternating current supply AC load uses by DC power conversion; Or when load voltage is consistent with battery tension, directly draw for DC load from controller output end.
Claims (2)
1. the small-sized scene based on wireless sensor network stores the self-control system of complemental power-generation group, it is characterized in that: comprise the self-control system that a kind of small-sized scene based on wireless sensor network stores complemental power-generation group, distribution observing and controlling RTU, distributed intelligence control unit, communicated with Surveillance center in GPRS mode by ZigBee Network Central Node, thus build a distributed monitoring system communicated based on the remote transmission of ZigBee with GPRS, mainly consist of the integrated of multiple distribution observing and controlling RTU intelligent cells of generating group, wherein distribute observing and controlling RTU intelligent control unit by distributed intelligence control unit, data collector module, repeater routing module, concentrator module, Zigbee wireless communication module, Zigbee repeater routing module, GPRS communication module forms, described distribution observing and controlling RTU, be specially:
(1) data collector module: gather the data that scene stores each generator unit in complemental power-generation group, according to different semaphore requests, the sensor element of preposition response, obtains the electric signal of generator unit transducer;
(2) Zigbee wireless communication module: the electric signal of data collector module is converted into Zigbee wireless signal;
(3) Zigbee repeater routing module: process radio communication mold blocks of data, solves the problem of signal attenuation, sends into Data Data and concentrates device module;
(4) data concentrator module: Zigbee wireless communication data scene being stored to the multiplex of complemental power-generation group focuses on, carries out according to data channel numbering;
(5) GPRS communication module: the data receiving data concentrator module, carries out the modulation of GPRS signal of communication, sends to other distribution observing and controlling RTU unit, receives the data of other unit simultaneously;
(6) distributed intelligence control unit: according to the local information of transmission and the signal such as voltage, frequency of transmission, according to the rule of setting, carry out instant adjustment.
2. a kind of small-sized scene based on wireless sensor network according to claim 1 stores the self-control system of complemental power-generation group, and it is characterized in that, described distributed intelligence control unit is specially:
Wind power system and photovoltaic cell component by the power storage that jointly sends in batteries, controller carries out real-time inspection and control according to the change of the power of illumination, the size of wind-force and load to the operating state of wind-driven generator, photovoltaic cell component, batteries, ensures system safety and works reliably, the self-control system that scene based on wireless sensor network stores complemental power-generation group gathers in the data feeding data collector module of each generator unit, the electric signal of data collector module is converted into Zigbee wireless signal, send in Zigbee wireless communication module, radio communication mold blocks of data is processed, solve the problem of signal attenuation, sending into Data Data concentrates in device Zigbee repeater routing module, carry out Zigbee wireless communication data to focus on, carry out according to data channel numbering, send in data concentrator module, receive the data of data concentrator module, carry out the modulation of GPRS signal of communication, send to other distribution observing and controlling RTU unit, receive the data of other unit simultaneously, send in GPRS communication module, distributed intelligence control unit: according to the local information of transmission and the voltage of transmission, the signals such as frequency, according to the rule of setting, carry out instant adjustment, distributed intelligence control unit is according to the change of the power of illumination, the size of wind-force and load, constantly the operating state of storage battery switched by distributed intelligence control unit and regulate, make its alternate run under the various working such as charging, electric discharge or floating charge, realize automatic equalization charging, thus ensure the stability of wind-force, the work of photovoltaic complementary power generation system, preventing overcharge of a battery and overdischarge, by loading inverter, is that alternating current supply AC load uses by DC power conversion, or when load voltage is consistent with battery tension, directly draw for DC load from controller output end.
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| CN201410485018.5A CN104283494A (en) | 2014-09-22 | 2014-09-22 | Small wind-light-stored energy supplementary power generation cluster autonomous control system based on wireless sensor network |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10743088B2 (en) | 2017-02-16 | 2020-08-11 | Watlow Electric Manufacturing Company | Compact modular wireless sensor |
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Application publication date: 20150114 |