CN105071540A - Monitoring system of photovoltaic generation - Google Patents

Monitoring system of photovoltaic generation Download PDF

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Publication number
CN105071540A
CN105071540A CN201510529203.4A CN201510529203A CN105071540A CN 105071540 A CN105071540 A CN 105071540A CN 201510529203 A CN201510529203 A CN 201510529203A CN 105071540 A CN105071540 A CN 105071540A
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switch
cabinet
connects
data network
output
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CN201510529203.4A
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CN105071540B (en
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金永刚
马雅兴
曹海潮
沈志强
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Jiaxing Chuanghui Electrical Engineering Co Ltd
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Jiaxing Chuanghui Electrical Engineering Co Ltd
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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
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02B90/20Smart grids as enabling technology in buildings sector
    • 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS 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
    • Y04S20/00Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof

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  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

The invention, which belongs to the technical field of photovoltaic generating, provides a monitoring system of photovoltaic generation. The monitoring system comprises a measurement control device and a dispatching communication cabinet. An output terminal of the measurement control device is connected with one end of an ethernet fiber converter by a four-core single-mode fiber; and the other end of the ethernet fiber converter is connected with an input terminal of a switch. An output terminal of the switch is connected with a luminous power prediction cabinet and the dispatching communication cabinet. A monitoring host is also connected to the output terminal of the switch. Besides, a network printer and a time synchronization and setting device are also connected to the output terminal of the switch; and the output terminal of the switch is also connected with an integrated protection screen, a first switch cabinet, a second switch cabinet, and third switch cabinets. According to the invention, real-time monitoring of the data and state of the photovoltaic generating device operation can be realized; and continuous and high-efficiency operation of photovoltaic generation can be realized well.

Description

A kind of supervisory control system of photovoltaic generation
Technical field
The present invention relates to technical field of photovoltaic power generation, particularly a kind of supervisory control system of photovoltaic generation.
Background technology
Photovoltaic generation: be according to photovoltaic effect principle, utilize solar cell that solar energy is converted into electric energy.The solar photovoltaic generation system of prior art comprises solar module, controller and inverter.Solar module is connected by some solar cell series and parallels and tight encapsulation forms.Rely on solar module, utilize the electronics property of semi-conducting material, when solar light irradiation is on semiconductor PN, because P-N junction barrier region creates stronger built-in electrostatic field, thus produce nonequilibrium electron in barrier region and hole or to produce outside barrier region but to diffuse into nonequilibrium electron and the hole of barrier region, under the effect of built-in electrostatic field, move respectively towards rightabout, leave barrier region, result makes P district electromotive force raise, N district electromotive force reduces, thus produces voltage and current in external circuit, and light energy conversion is become electric energy.But along with the development and progress of society, some areas, population gets more and more, and Land Demand is increasing, and the price in soil climbs up and up, and the soil needed for solar power station installation becomes problem.Cultivate fishery simultaneously, also known as aquaculture, refer to that, on the coast by artificial opened up fish pond, cultured fishes or various seafood, with edible.The fish of some kind does not like sunlight so need sunshading board is built in fish pond when cultivating again, and is fish lucifuge.Fish pond inherently uses broad soil, and the photovoltaic generating system engineering birth upper strata of fishing light complementation is used for photovoltaic generation, and lower floor is used for aquaculture.As long as owing to photovoltaic panel support Three-dimensional cloth being placed in above the water surface and fish pond bank, therefore do not need to take valuable agricultural, industry, residential land.This has not only saved soil, improves unit are Land Economic and is worth, while generating, also can not affect aquaculture, has the feature of " ground is dual-purpose, and fishing light is complementary ", achieves the win-win of social benefit, economic benefit and environmental benefit.But photovoltaic power generation equipment common at present does not all have supervisory control system, cannot Real-Time Monitoring photovoltaic power generation apparatus run time data and state.
Summary of the invention
The object of this invention is to provide a kind of supervisory control system of photovoltaic generation, realize the Real-Time Monitoring of data when photovoltaic power generation apparatus is run and state, be conducive to photovoltaic generation and continue, run efficiently.
The technical solution adopted for the present invention to solve the technical problems is:
A supervisory control system for photovoltaic generation, it comprises data acquisition equipment, measure and control device, four-core monomode fiber, Ethernet optic fiber converter, switch, environment monitor, luminous power prediction cabinet, dispatching communication cabinet, controlling equipment, monitoring host computer, the network printer, timing device, combine and protect screen, first switch cubicle, second switch cabinet, 3rd switch cubicle, described data acquisition equipment comprises header box, inversion container, case becomes, and is provided with header box monitor, is provided with combining inverter and DC power distribution cabinet in described inversion container in described header box, and described case is provided with body temperature controller in becoming, comprehensively monitoring instrument, described data acquisition equipment connects the input of measure and control device, the output of described measure and control device connects one end of Ethernet optic fiber converter by four-core monomode fiber, the other end of described Ethernet optic fiber converter connects the input of switch, the output of described switch connects luminous power prediction cabinet, is provided with luminous power predicting machine in described luminous power prediction cabinet, fire compartment wall, protocol converter, described luminous power predicting machine connects switch by fire compartment wall, and described luminous power predicting machine is by protocol converter JA(junction ambient) monitor, and the output of described switch connects dispatching communication cabinet, is provided with telemechanical apparatus in described dispatching communication cabinet, first data network switch, encrypting and authenticating device, electric energy acquisition terminal, second data network switch, hardware firewall, data network router, the output of described switch connects telemechanical apparatus according to this, first data network switch, encrypting and authenticating device, one end of described encrypting and authenticating device connection data network router, equipment for monitoring power quality connects one end of the second data network switch, described electric energy acquisition terminal also connects the second data network switch, described second data network switch is by hardware firewall connection data network router, described data network router connects controlling equipment, described second data network switch also connects luminous power predicting machine, described monitoring host computer is also connected to the output of switch, the described network printer is also connected to the output of switch, described timing device is also connected to the output of switch, and the output of described switch also connects to combine protects screen, first switch cubicle, second switch cabinet and the 3rd switch cubicle, differential protection and fault disconnection device is provided with in described comprehensive guarantor's screen, be provided with equipment for monitoring power quality in described first switch cubicle, in described second switch cabinet, be provided with microcomputer harmonic elimination device, in described 3rd switch cubicle, be provided with line protective devices.
Further, the quantity of described 3rd switch cubicle is 5.
Further, described Ethernet optic fiber converter is 16 mouthfuls of rack Ethernet optic fiber converters.
Further, described measure and control device is also provided with On-off signal end and output switch parameter end.
Further, described timing device is Big Dipper timing device.
The present invention compared to the prior art, have the following advantages and effect: header box, inversion container, case change data acquisition equipment effectively gathers the every valid data in photovoltaic generating system, and by the data of collection through measure and control device, luminous power prediction cabinet and dispatching communication cabinet, the monitoring realizing power and the scheduling communicated is entered through Ethernet optic fiber converter and switch.Monitoring host computer achieves the real-time monitoring to photovoltaic power generation equipment.Ethernet optic fiber converter is 16 mouthfuls of rack Ethernet optic fiber converters, and the optical interface variation of opto-electronic conversion, support, link layer device are easy to safeguard, possess better applicability relative to photoelectric conversion module interface.Fire compartment wall serves protective barrier effect.Timing device is Big Dipper timing device, pair time accurate.Combine to protect in screen and be provided with differential protection and fault disconnection device, differential protection and fault disconnection device effectively ensure that system is normally run.Be provided with equipment for monitoring power quality in first switch cubicle, voltage input adopts high-voltage isolating module, and electric current input adopts high-precision current to become device and makes input signal and measuring system Secure isolation, substantially increases antijamming capability.Be provided with microcomputer harmonic elimination device in second switch cabinet, effectively eliminate ferro resonance.Line protective devices are provided with in 3rd switch cubicle; possess perfect protection, measurement, control, automatic closing and communication monitoring function; for the protection and control of system provides total solution, the safe and stable operation of high-low pressure electrical network and station service electrical system effectively can be ensured.Data when the present invention's realization runs photovoltaic power generation apparatus and the Real-Time Monitoring of state, be conducive to photovoltaic generation and continue, run efficiently.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of luminous power of the present invention prediction cabinet.
Fig. 3 is the structural representation of dispatching communication cabinet of the present invention.
Fig. 4 is the structural representation of data acquisition equipment of the present invention.
Fig. 5 is that number of the present invention combines the structural representation protecting screen.
Fig. 6 is the structural representation of the present invention first switch cubicle.
Fig. 7 is the structural representation of second switch cabinet of the present invention.
Fig. 8 is the structural representation of the present invention the 3rd switch cubicle.
In figure: 1. data acquisition equipment, 2. measure and control device, 3. four-core monomode fiber, 4. Ethernet optic fiber converter, 5. switch, 6. environment monitor, 7. luminous power prediction cabinet, 8. dispatching communication cabinet, 9. controlling equipment, 10. monitoring host computer, 11. network printers, 12. timing devices, 13. combine guarantor's screen, 14. first switch cubicles, 15. second switch cabinets, 16. the 3rd switch cubicles, 17. header boxs, 18. inversion containers, 19. casees changes, 20. header box monitors, 21. combining inverters, 22. DC power distribution cabinets, 23. body temperature controllers, 24. comprehensively monitoring instrument, 25. luminous power predicting machines, 26. fire compartment walls, 27. protocol converters, 28. telemechanical apparatus, 29. first data network switches, 30. encrypting and authenticating devices, 31. equipment for monitoring power quality, 32. electric energy acquisition terminals, 33. second data network switches, 34. hardware firewall, 35. data network routers, 36. differential protections, 37. fault disconnection devices, 38. microcomputer harmonic elimination devices, 39. line protective devices, 40. On-off signal ends, 41. output switch parameter ends.
Embodiment
Below in conjunction with accompanying drawing, also by embodiment, the present invention is described in further detail, and following examples are explanation of the invention and the present invention is not limited to following examples.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7 and Fig. 8, a supervisory control system for photovoltaic generation, it comprises data acquisition equipment 1, measure and control device 2, four-core monomode fiber 3, Ethernet optic fiber converter 4, switch 5, environment monitor 6, luminous power prediction cabinet 7, dispatching communication cabinet 8, controlling equipment 9, monitoring host computer 10, the network printer 11, timing device 12, combines and protect screen 13, first switch cubicle 14, second switch cabinet 15, the 3rd switch cubicle 16.Described data acquisition equipment 1 comprises header box 17, inversion container 18, case change 19, header box monitor 20 is provided with in described header box 17, combining inverter 21 and DC power distribution cabinet 22 is provided with in described inversion container 18, be provided with body temperature controller 23, comprehensively monitoring instrument 24 in described case change 19, these data acquisition equipments 1 effectively gather the every valid data in photovoltaic generating system.Described data acquisition equipment 1 connects the input of measure and control device 2, and described measure and control device 2 is also provided with On-off signal end 40 and output switch parameter end 41.The output of described measure and control device 2 connects one end of Ethernet optic fiber converter 4 by four-core monomode fiber 3, the other end of described Ethernet optic fiber converter 4 connects the input of switch 5, described Ethernet optic fiber converter 4 is 16 mouthfuls of rack Ethernet optic fiber converters 4, the optical interface variation of opto-electronic conversion, support, link layer device are easy to safeguard, possess better applicability relative to photoelectric conversion module interface.The output of described switch 5 connects luminous power prediction cabinet 7, in described luminous power prediction cabinet, 7 are provided with luminous power predicting machine 25, fire compartment wall 26, protocol converter 27, described luminous power predicting machine 25 connects switch 5 by fire compartment wall 26, and described luminous power predicting machine 25 is by protocol converter 27 JA(junction ambient) monitor 6.Fire compartment wall 26 serves protective barrier effect.The output of described switch 5 connects dispatching communication cabinet 8, telemechanical apparatus 28 is provided with in described dispatching communication cabinet 8, first data network switch 29, encrypting and authenticating device 30, second data network switch 32, hardware firewall 33, data network router 34, the output of described switch 5 connects telemechanical apparatus 28 according to this, first data network switch 29, encrypting and authenticating device 30, one end of described encrypting and authenticating device 30 connection data network router 35, equipment for monitoring power quality 31 connects one end of the second data network switch 33, electric energy acquisition terminal 32 also connects the second data network switch 33, described second data network switch 33 is by hardware firewall 34 connection data network router 35, described data network router 35 connects controlling equipment 9, described second data network switch 33 also connects luminous power predicting machine 25.Described monitoring host computer 10 is also connected to the output of switch 5, and the described network printer 11 is also connected to the output of switch 5, and described timing device 12 is also connected to the output of switch 5, and described timing device 12 is Big Dipper timing device 12, pair time accurate.The output of described switch 5 also connects to combine protects screen 13, first switch cubicle 14, second switch cabinet 15 and the 3rd switch cubicle 16; be provided with differential protection 36 and fault disconnection device 37 in described comprehensive guarantor's screen 13, differential protection 36 and fault disconnection device 37 effectively ensure that system is normally run.Be provided with equipment for monitoring power quality 31 in described first switch cubicle 14, voltage input adopts high-voltage isolating module, and electric current input adopts high-precision current to become device and makes input signal and measuring system Secure isolation, substantially increases antijamming capability.Be provided with microcomputer harmonic elimination device 38 in described second switch cabinet 15, effectively eliminate ferro resonance.Line protective devices 39 are provided with in described 3rd switch cubicle 16; the quantity of described 3rd switch cubicle 16 is 5; possess perfect protection, measurement, control, automatic closing and communication monitoring function; for the protection and control of system provides total solution, the safe and stable operation of high-low pressure electrical network and station service electrical system effectively can be ensured.
Pass through technique scheme, when the supervisory control system of a kind of photovoltaic generation of the present invention uses, header box 17, inversion container 18, case become the data of collection in 19 through measure and control device 2, luminous power prediction cabinet 7 and dispatching communication cabinet 8, the monitoring realizing power and the scheduling communicated is entered through Ethernet optic fiber converter 4 and switch 5.Monitoring host computer 10 achieves the real-time monitoring to photovoltaic power generation equipment.Data when the present invention's realization runs photovoltaic power generation apparatus and the Real-Time Monitoring of state, be conducive to photovoltaic generation and continue, run efficiently.
Above content described in this specification is only made for the present invention illustrating.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment; only otherwise depart from the content of specification of the present invention or surmount this scope as defined in the claims, protection scope of the present invention all should be belonged to.

Claims (5)

1. a supervisory control system for photovoltaic generation, is characterized in that: it comprises data acquisition equipment, measure and control device, four-core monomode fiber, Ethernet optic fiber converter, switch, environment monitor, luminous power prediction cabinet, dispatching communication cabinet, controlling equipment, monitoring host computer, the network printer, timing device, combine and protect screen, first switch cubicle, second switch cabinet, 3rd switch cubicle, described data acquisition equipment comprises header box, inversion container, case becomes, and is provided with header box monitor, is provided with combining inverter and DC power distribution cabinet in described inversion container in described header box, and described case is provided with body temperature controller in becoming, comprehensively monitoring instrument, described data acquisition equipment connects the input of measure and control device, the output of described measure and control device connects one end of Ethernet optic fiber converter by four-core monomode fiber, the other end of described Ethernet optic fiber converter connects the input of switch, the output of described switch connects luminous power prediction cabinet, is provided with luminous power predicting machine in described luminous power prediction cabinet, fire compartment wall, protocol converter, described luminous power predicting machine connects switch by fire compartment wall, and described luminous power predicting machine is by protocol converter JA(junction ambient) monitor, and the output of described switch connects dispatching communication cabinet, is provided with telemechanical apparatus in described dispatching communication cabinet, first data network switch, encrypting and authenticating device, electric energy acquisition terminal, second data network switch, hardware firewall, data network router, the output of described switch connects telemechanical apparatus according to this, first data network switch, encrypting and authenticating device, one end of described encrypting and authenticating device connection data network router, equipment for monitoring power quality connects one end of the second data network switch, described electric energy acquisition terminal also connects the second data network switch, described second data network switch is by hardware firewall connection data network router, described data network router connects controlling equipment, described second data network switch also connects luminous power predicting machine, described monitoring host computer is also connected to the output of switch, the described network printer is also connected to the output of switch, described timing device is also connected to the output of switch, and the output of described switch also connects to combine protects screen, first switch cubicle, second switch cabinet and the 3rd switch cubicle, differential protection and fault disconnection device is provided with in described comprehensive guarantor's screen, be provided with equipment for monitoring power quality in described first switch cubicle, in described second switch cabinet, be provided with microcomputer harmonic elimination device, in described 3rd switch cubicle, be provided with line protective devices.
2. the supervisory control system of a kind of photovoltaic generation according to claim 1, is characterized in that: the quantity of described 3rd switch cubicle is 5.
3. the supervisory control system of a kind of photovoltaic generation according to claim 1, is characterized in that: described Ethernet optic fiber converter is 16 mouthfuls of rack Ethernet optic fiber converters.
4. the supervisory control system of a kind of photovoltaic generation according to claim 1, is characterized in that: described measure and control device is also provided with On-off signal end and output switch parameter end.
5. the supervisory control system of a kind of photovoltaic generation according to claim 1, is characterized in that: described timing device is Big Dipper timing device.
CN201510529203.4A 2015-08-26 2015-08-26 A kind of monitoring system of photovoltaic generation Active CN105071540B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107248268A (en) * 2017-05-27 2017-10-13 南京泛和电力自动化有限公司 A kind of communication means monitored for photovoltaic module and system
CN109560607A (en) * 2017-09-26 2019-04-02 株洲中车时代电气股份有限公司 A kind of photovoltaic power station monitoring cabinet

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
陈刚等: "格尔木光伏发电站计算机监控系统设计", 《西北水电》 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107248268A (en) * 2017-05-27 2017-10-13 南京泛和电力自动化有限公司 A kind of communication means monitored for photovoltaic module and system
CN109560607A (en) * 2017-09-26 2019-04-02 株洲中车时代电气股份有限公司 A kind of photovoltaic power station monitoring cabinet
CN109560607B (en) * 2017-09-26 2021-04-27 株洲中车时代电气股份有限公司 Distributed photovoltaic power station monitoring cabinet

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Denomination of invention: A monitoring system for photovoltaic power generation

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