CN106685068A - Monitoring and management system of power station - Google Patents
Monitoring and management system of power station Download PDFInfo
- Publication number
- CN106685068A CN106685068A CN201510751492.2A CN201510751492A CN106685068A CN 106685068 A CN106685068 A CN 106685068A CN 201510751492 A CN201510751492 A CN 201510751492A CN 106685068 A CN106685068 A CN 106685068A
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- China
- Prior art keywords
- zigbee
- gprs
- power generation
- photovoltaic power
- equipment
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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
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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
- 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
Abstract
The invention discloses a monitoring and management system of a power station. The monitoring and management system comprises Zigbee equipment, general packet radio service (GPRS) equipment, a photovoltaic power generation device and a Zigbee/GPRS gateway, wherein the photovoltaic power generation device communicates with the Zigbee equipment, the Zigbee/GPRS gateway is used for communicating the Zigbee equipment and the GPRS equipment, the photovoltaic power generation device comprises a solar cell, a controller, an energy storage device and an inverter, the controller communicates with the Zigbee equipment, the energy storage device is connected with the controller, the inverter is connected with the controller, and the Zigbee/GPRS gateway comprises a Zigbee module, a GPRS module, a communication module and a processor. An automatic sunlight tracking function of a photovoltaic power generation panel is achieved in low-power consumption and low-cost way, and the photovoltaic power generation efficiency can be improved; and distributed remote monitoring can be performed on photovoltaic power generation systems scattered in different regions.
Description
Technical field
The present invention relates to field of power, more particularly, to a kind of monitoring of electric station and management system.
Background technology
The energy is the driving force of social prosperity and development, and the activities of the mankind all be unable to do without it.The average rate of increase of current population constantly applies pressure to the demand of the energy, and after oil shock of 1973 crisis, people are seeking always the development of new energy technology.The utilization of the regenerative resources such as solar energy, water energy, wind energy, tide energy, bioenergy is generally had an optimistic view of, and the use of regenerative resource is reasonably on a large scale the main path that eliminates the negative effect that coal, oil are brought.Wherein, solar energy is most important clean energy resource, is analyzed from the forming process of energy, and the energy of other forms present on the earth is nearly all transformed next from solar energy.Solar energy cleaning is pollution-free, aboundresources, is acknowledged as the new forms of energy of most effective replacement fossil energy.
The direct utilization of solar energy is broadly divided into two fields：Solar thermal energy and photovoltaic generation.Solar thermal energy is widely used now, for example solar water heater, and it can be provided in the local heat supply under certain condition, but this partial heat energy be converted into can teletransmission electric energy or mechanical energy efficiency it is very low.Photovoltaic generation is a kind of forms of electricity generation by the way that solar energy to be converted directly into electric energy, is mainly changed by solar photocell.For comparing solar thermal energy, photovoltaic generation has the advantages that high conversion efficiency.Although with the development of photovoltaic power generation technology, the cost and electricity price of photovoltaic generation are also constantly declining.But existing photovoltaic power generation technology still has that cost of investment is higher, it is mainly reflected in two aspects：One is that electric power converter is less efficient；Another is that control system cost and efficiency are higher.
The content of the invention
The purpose of the present invention is the defect for overcoming above-mentioned prior art, there is provided a kind of monitoring of electric station and management system, using the structure of new control system, with low-power consumption, is realized with a low cost the solar automatic tracking function of photovoltaic power generation plate, improves photovoltaic efficiency；And the photovoltaic generating system to being dispersed in zones of different carries out distributed speech recognition.
The purpose of the present invention is achieved through the following technical solutions：A kind of electric station monitoring and management system, the photovoltaic power generation apparatus connected with Zigbee equipment including Zigbee equipment, GPRS device and the Zigbee/GPRS gateways for connecting Zigbee equipment and GPRS device, the Zigbee/GPRS gateways are also associated with optical signal transmitter；The photovoltaic power generation apparatus include the inverter that the energy storage device that the controller that solaode is connected with Zigbee equipment is connected with controller is connected with controller；The Zigbee/GPRS gateways include the GPRS module and the communication module and the processor for controlling Zigbee module and GPRS module of the connection of optical signal transmitter of the Zigbee module for connecting Zigbee equipment and GPRS device connection.
In the present invention, Zigbee is a kind of low cost, the short-distance wireless communication technology of low-power consumption, can be made up of one to 65000 Zigbee module.In the range of whole network, can realize being in communication with each other between each Zigbee module, and each equipment can be attached by router-module, therefore Zigbee network has extraordinary connective and autgmentability.By the connection of Zigbee network, the wireless connection of large-scale photovoltaic TRT not only can be realized, and allow equipment on-line to be automatically added to network, substantially increase the maintainability of system, reduce the input of human resourcess.GPRS device is general packet radio service technology, and it is a kind of available mobile data services of gsm mobile telephone user, as long as remote terminal has GPRS or Internet functions, it is possible to easily realize remote real-time monitoring.Because it has the advantages that to have a very wide distribution and long-term online, it is especially suitable for applying in the more severe area of some geographical environments, therefore solves the problems, such as the geographical distribution of photovoltaic generating system well.Optical signal transmitter is independently of photovoltaic power generation apparatus, by the way that the optical signal that optical signal transmitter is obtained is passed to into Zigbee/GPRS gateways, then other photovoltaic power generation apparatus are given by data distribution by Zigbee/GPRS gateways, realize the solar automatic tracking of all photovoltaic power generation apparatus, this not only greatly reduces the cost and energy consumption that system carries out from motion tracking, and improves the maintainability of system.
The output voltage of solaode has a negative characteristic with the rising of temperature in photovoltaic power generation apparatus, and temperature often raises 1 degree, and the open-circuit voltage of silicon solar cell just declines 0.4%, and output will also reduce 0.4% ~ 0.5%；And its output voltage changes with the angle change of sunlight again, when solar panel and light are into 90 degree of angles, its output voltage is maximum.The discharge and recharge of controller major control accumulator so as to reach Best Practical state, it can be said that it is the core of photovoltaic power generation apparatus.Inverter is divided into square-wave inverter, ladder inverter and sinewave inverter, and it produces the output signal of different qualities mainly according to the demand of application.Equivalent to information transfer hinge, specifically, processor is the control core of Zigbee/GPRS gateways to Zigbee/GPRS gateways, and its one end is connected by serial ports with Zigbee module, and its other end is connected by serial ports with GPRS module.
When the present invention is applied, optical signal transmitter adjusts the anglec of rotation, the real-time detection sunlight intensity information of transverse and longitudinal shaft step motor by local track of sun moving law and clock information, and the sunlight angle information of sunlight intensity maximum point in rotating range is preserved, as the pilot angle of each photovoltaic power generation apparatus.Optical signal transmitter sends the intensity and angle signal of sunlight to Zigbee/GPRS gateways is used for the control of next stage, simultaneously clock information is sent to optical signal transmitter for clock synchronization by Zigbee/GPRS gateways, photovoltaic power generation apparatus optical signal being sent to by Zigbee equipment in net, photovoltaic power generation apparatus receive from the optical signal data of Zigbee/GPRS gateways to realize feeding back sunlight from motion tracking and running parameter by Zigbee child nodes module.
To realize the connection of optical signal transmitter and Zigbee/GPRS gateways, further, the optical signal transmitter is connected by serial network with the communication module.
Further, the GPRS device is also associated with remote monitoring center.In the present invention, the data from Zigbee/GPRS gateways, and the clock data of synchronous each Zigbee/GPRS gateways are monitored by GPRS network.Other equipment with GPRS functions, such as notebook computer etc. can also receive the data from Zigbee/GPRS gateways after certain system authentication as remote monitoring center.When the present invention is applied, the running parameter of each photovoltaic power generation apparatus collected and the running parameter of optical signal transmitter are fed back to remote monitoring center for system monitoring by Zigbee/GPRS gateways by GPRS network, and remote monitoring center is also by the clock data of synchronous each Zigbee/GPRS gateway.
To realize the use of photovoltaic generation, further, the controller is connected with DC load, and the inverter is connected with AC load.
The invention has the advantages that：In the present invention, by the connection of Zigbee network, the wireless connection of large-scale photovoltaic TRT not only can be realized, and allow equipment on-line to be automatically added to network, substantially increase the maintainability of system, reduce the input of human resourcess.Because GPRS has the advantages that to have a very wide distribution and long-term online, it is especially suitable for applying in the more severe area of some geographical environments, therefore the present invention solves the problems, such as well the geographical distribution of photovoltaic generating system.By the way that the optical signal that optical signal transmitter is obtained is passed to into Zigbee/GPRS gateways, then other photovoltaic power generation apparatus are given by data distribution by Zigbee/GPRS gateways, realize the solar automatic tracking of all photovoltaic power generation apparatus, this not only greatly reduces the cost and energy consumption that system carries out from motion tracking, and improves the maintainability of system.
Description of the drawings
Fig. 1 is the structural representation of a kind of electric station monitoring of the present invention and one specific embodiment of management system；
Fig. 2 is the structural representation of one specific embodiment of photovoltaic power generation apparatus in a kind of electric station monitoring of the present invention and management system；
Fig. 3 is the structural representation of one specific embodiment of Zigbee/GPRS gateways in a kind of electric station monitoring of the present invention and management system.
Specific embodiment
With reference to embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention not limited to this.
Embodiment 1
As shown in Figure 1 to Figure 3, a kind of electric station monitoring and management system, the photovoltaic power generation apparatus connected with Zigbee equipment including Zigbee equipment, GPRS device and the Zigbee/GPRS gateways for connecting Zigbee equipment and GPRS device, the Zigbee/GPRS gateways are also associated with optical signal transmitter；The photovoltaic power generation apparatus include the inverter that the energy storage device that the controller that solaode is connected with Zigbee equipment is connected with controller is connected with controller；The Zigbee/GPRS gateways include the GPRS module and the communication module and the processor for controlling Zigbee module and GPRS module of the connection of optical signal transmitter of the Zigbee module for connecting Zigbee equipment and GPRS device connection.
In the present embodiment, Zigbee is a kind of low cost, the short-distance wireless communication technology of low-power consumption, can be made up of one to 65000 Zigbee module.In the range of whole network, can realize being in communication with each other between each Zigbee module, and each equipment can be attached by router-module, therefore Zigbee network has extraordinary connective and autgmentability.By the connection of Zigbee network, the wireless connection of large-scale photovoltaic TRT not only can be realized, and allow equipment on-line to be automatically added to network, substantially increase the maintainability of system, reduce the input of human resourcess.GPRS device is general packet radio service technology, and it is a kind of available mobile data services of gsm mobile telephone user, as long as remote terminal has GPRS or Internet functions, it is possible to easily realize remote real-time monitoring.Because it has the advantages that to have a very wide distribution and long-term online, it is especially suitable for applying in the more severe area of some geographical environments, therefore solves the problems, such as the geographical distribution of photovoltaic generating system well.Optical signal transmitter is independently of photovoltaic power generation apparatus, by the way that the optical signal that optical signal transmitter is obtained is passed to into Zigbee/GPRS gateways, then other photovoltaic power generation apparatus are given by data distribution by Zigbee/GPRS gateways, realize the solar automatic tracking of all photovoltaic power generation apparatus, this not only greatly reduces the cost and energy consumption that system carries out from motion tracking, and improves the maintainability of system.
The output voltage of solaode has a negative characteristic with the rising of temperature in photovoltaic power generation apparatus, and temperature often raises 1 degree, and the open-circuit voltage of silicon solar cell just declines 0.4%, and output will also reduce 0.4% ~ 0.5%；And its output voltage changes with the angle change of sunlight again, when solar panel and light are into 90 degree of angles, its output voltage is maximum.The discharge and recharge of controller major control accumulator so as to reach Best Practical state, it can be said that it is the core of photovoltaic power generation apparatus.Inverter is divided into square-wave inverter, ladder inverter and sinewave inverter, and it produces the output signal of different qualities mainly according to the demand of application.Equivalent to information transfer hinge, specifically, processor is the control core of Zigbee/GPRS gateways to Zigbee/GPRS gateways, and its one end is connected by serial ports with Zigbee module, and its other end is connected by serial ports with GPRS module.
During the present embodiment application, optical signal transmitter adjusts the anglec of rotation, the real-time detection sunlight intensity information of transverse and longitudinal shaft step motor by local track of sun moving law and clock information, and the sunlight angle information of sunlight intensity maximum point in rotating range is preserved, as the pilot angle of each photovoltaic power generation apparatus.Optical signal transmitter sends the intensity and angle signal of sunlight to Zigbee/GPRS gateways is used for the control of next stage, simultaneously clock information is sent to optical signal transmitter for clock synchronization by Zigbee/GPRS gateways, photovoltaic power generation apparatus optical signal being sent to by Zigbee equipment in net, photovoltaic power generation apparatus receive from the optical signal data of Zigbee/GPRS gateways to realize feeding back sunlight from motion tracking and running parameter by Zigbee child nodes module.
To realize the connection of optical signal transmitter and Zigbee/GPRS gateways, it is preferable that the optical signal transmitter is connected by serial network with the communication module.
Preferably, the GPRS device is also associated with remote monitoring center.In the present invention, the data from Zigbee/GPRS gateways, and the clock data of synchronous each Zigbee/GPRS gateways are monitored by GPRS network.Other equipment with GPRS functions, such as notebook computer etc. can also receive the data from Zigbee/GPRS gateways after certain system authentication as remote monitoring center.When the present invention is applied, the running parameter of each photovoltaic power generation apparatus collected and the running parameter of optical signal transmitter are fed back to remote monitoring center for system monitoring by Zigbee/GPRS gateways by GPRS network, and remote monitoring center is also by the clock data of synchronous each Zigbee/GPRS gateway.
To realize the use of photovoltaic generation, it is preferable that the controller is connected with DC load, the inverter is connected with AC load.
Above content is to combine the further description that specific preferred implementation is made to the present invention, it is impossible to which the specific embodiment for assert the present invention is confined to these explanations.For general technical staff of the technical field of the invention, the other embodiment drawn under without departing from technical scheme should be included in protection scope of the present invention.
Claims (4)
1. a kind of electric station is monitored and management system, it is characterised in that：The photovoltaic power generation apparatus connected with Zigbee equipment including Zigbee equipment, GPRS device and the Zigbee/GPRS gateways for connecting Zigbee equipment and GPRS device, the Zigbee/GPRS gateways are also associated with optical signal transmitter；
The photovoltaic power generation apparatus include the inverter that the energy storage device that the controller that solaode is connected with Zigbee equipment is connected with controller is connected with controller；
The Zigbee/GPRS gateways include the GPRS module and the communication module and the processor for controlling Zigbee module and GPRS module of the connection of optical signal transmitter of the Zigbee module for connecting Zigbee equipment and GPRS device connection.
2. a kind of electric station according to claim 1 is monitored and management system, it is characterised in that：The optical signal transmitter is connected by serial network with the communication module.
3. a kind of electric station according to claim 1 is monitored and management system, it is characterised in that：The GPRS device is also associated with remote monitoring center.
4. a kind of electric station according to claim 1 is monitored and management system, it is characterised in that：The controller is connected with DC load, and the inverter is connected with AC load.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510751492.2A CN106685068A (en) | 2015-11-08 | 2015-11-08 | Monitoring and management system of power station |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510751492.2A CN106685068A (en) | 2015-11-08 | 2015-11-08 | Monitoring and management system of power station |
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| CN106685068A true CN106685068A (en) | 2017-05-17 |
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| CN201510751492.2A Pending CN106685068A (en) | 2015-11-08 | 2015-11-08 | Monitoring and management system of power station |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107769388A (en) * | 2017-12-01 | 2018-03-06 | 江苏聚亿智能科技有限公司 | Photovoltaic generating system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107769388A (en) * | 2017-12-01 | 2018-03-06 | 江苏聚亿智能科技有限公司 | Photovoltaic generating system |
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Application publication date: 20170517 |