CN103066696A - Monitoring system of photovoltaic power generation unit - Google Patents

Monitoring system of photovoltaic power generation unit Download PDF

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Publication number
CN103066696A
CN103066696A CN201210527769XA CN201210527769A CN103066696A CN 103066696 A CN103066696 A CN 103066696A CN 201210527769X A CN201210527769X A CN 201210527769XA CN 201210527769 A CN201210527769 A CN 201210527769A CN 103066696 A CN103066696 A CN 103066696A
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CN
China
Prior art keywords
generation unit
control system
server
monitoring system
photovoltaic generation
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.)
Pending
Application number
CN201210527769XA
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Chinese (zh)
Inventor
匡满欢
苏彬
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.)
TITUS ANHUI ELECTRIC POWER TECHNOLOGY Co Ltd
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TITUS ANHUI ELECTRIC POWER TECHNOLOGY Co Ltd
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Publication date
Application filed by TITUS ANHUI ELECTRIC POWER TECHNOLOGY Co Ltd filed Critical TITUS ANHUI ELECTRIC POWER TECHNOLOGY Co Ltd
Priority to CN201210527769XA priority Critical patent/CN103066696A/en
Publication of CN103066696A publication Critical patent/CN103066696A/en
Pending legal-status Critical Current

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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
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy
    • 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
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • 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
    • Y04S40/00Systems 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
    • Y04S40/12Systems 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
    • Y04S40/124Systems 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 wired telecommunication networks or data transmission busses

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

Abstract

The invention discloses a monitoring system of a photovoltaic power generation unit, and relates to the technical field of photovoltaic power generation. The monitoring system of the photovoltaic power generation unit comprises a signal collector, a signal processing module, a control system, a communication module and a server, and is characterized in that a signal collector is arranged on a transformer, the output end of the signal collector is connected with the input end of the signal processing module, the output end of the signal processing module is connected with the input end of the control system, and the output end of the control system is connected with the input end of the server through the communication module. According to the monitoring system, a box-type transformer monitoring unit, a communication management module and a photovoltaic conversion module are combined together in a three-to-one mode, the protecting function of an integral transformer is achieved, and meanwhile communication and management are carried out to other devices of photovoltaic display, such as an inverter and a combiner box so as to reduce the number of devices of a photovoltaic power station, reduce the maintenance difficulty of on-site working staff, and improve the reliability of the operating of a photovoltaic power field.

Description

A kind of photovoltaic generation unit monitoring system
Technical field
The present invention relates to the photovoltaic power generation technology field, relate in particular to a kind of photovoltaic generation unit monitoring system.
Background technology
China's photovoltaic industry fast development; to increasing China's energy supply, readjusting the energy structure and preserve the ecological environment and played positive role; owing to be subject to the impact of meteorological specific factor; the photovoltaic project is many in the northwest and the relatively abominable place of natural conditions such as coastal; and the distribution in power station relatively disperses; and the place of office administration is far away apart from device context, and generally the rarest several kilometers far away, office has caused the inconvenience to equipment control and operation at a distance.
In photovoltaic DC field; each photovoltaic array can dispose a box type transformer and two inverters and many header boxs; and the factor that much causes fault that has in service of the box type transformer that photovoltaic array is joined; so for stability and the fail safe that improves box type transformer work; each box type transformer can dispose an intelligent monitoring unit; may cause the factor of fault to monitor and protect to these; because and the box type transformer centralized control system is not integrated; and the function of each instrument and meter is relatively single; particularly the mutual communication between each device is more loaded down with trivial details; directly affect whole box type transformer system reliability of operation, increased staff's Real Time Monitoring and the difficulty of management.
Summary of the invention
The invention provides that box transformer control unit and communication management module and photoelectric conversion module three are combined into one in a kind of photovoltaic generation unit; finish the realization to whole box type transformer defencive function; also miscellaneous equipment such as the inverter of photovoltaic display are communicated by letter and management with header box simultaneously; to reduce the number of devices of photovoltaic plant; reduce field personnel's maintenance difficulties, improve the photovoltaic DC field reliability of operation.
In order to solve the existing problem of background technology, the present invention is by the following technical solutions: comprise signal picker, signal processing module, control system, communication module, server, it is characterized in that: transformer is provided with signal picker, the output of described signal picker links to each other with the input of signal processing module, the output of described signal processing module links to each other with the input of control system, and the output of described control system is connected with the input of server by communication module.
Signal picker of the present invention comprises temperature sensor, immersion transducer, current sensor, voltage sensor and switching value signal picker, described current sensor and voltage sensor are located at the low-pressure side of box type transformer, the voltage and the current change quantity data that are used for the low-pressure side of collection box type transformer, described switching value signal picker links to each other with the switch of box type transformer by wire, be used for to gather all on-off state signals of box type transformer, simultaneously to various information gatherings and the transmission of inverter kind and header box.
Described communication module comprises ethernet ring network and ModBus RS485 interface, the information of box type transformer and inverter is sent to photoelectric conversion module is transferred to background server by optical fiber again, and the control command that described server sends is sent to box type transformer and inverter.
Described control system is embedded control system, and control system is provided with external power supply and is used for power supply
In sum, the present invention has the following advantages:
1, reduced the number of devices of photovoltaic generation unit, fail safe, the stabilizability of the equipment such as box type transformer and inverter have been improved, and the relevant information that collects by remote terminal realizes miscellaneous equipment intelligent managements such as box type transformer and inverters, reduce field management control personnel's labour intensity, reduced operating cost.
2, the present invention adopts the technical grade touch-screen, makes system's operation simpler.
3, the present invention has powerful communication function, by perfect communication interface, can cross ethernet ring network to all information exchanges that collect and be converted to fiber-optic signal and upload to timely and accurately the background monitoring service, thereby simplify the supervisory control system line.
Description of drawings
Fig. 1 is one embodiment of the invention schematic diagrames.
Embodiment
As shown in Figure 1, a kind of photovoltaic generation unit monitoring system, comprise signal picker 2, signal processing module 3, control system 4, communication module 5, server 6, transformer 1 is provided with five signal pickers 2, the output of described signal picker 2 links to each other with the input of signal processing module 3, the output of described signal processing module 3 links to each other with the input of control system 4, the output of described control system 4 is connected by the input of communication module 5 with server 6, control system 4 is provided with external power supply 7 and is used for power supply, control system 4 is embedded control system, and described described signal picker 2 comprises temperature sensor 2.1, immersion transducer 2.2, current sensor 2.3, voltage sensor 2.4 and switching value signal picker 2.5; Described temperature sensor 2.1 and immersion transducer 2.2 are located at cable end or the cable trough place in the box type transformer 1, be used for gathering the related data of its temperature and immersion, described current sensor 2.3 and voltage sensor 2.4 are located at the low-pressure side of box type transformer 1, the voltage and the current change quantity data that are used for the low-pressure side of collection box type transformer, described switching value signal picker 2.5 links to each other by the switch of wire with box type transformer 1, the status signal that opens or closes that is used for all switches of collection box type transformer, described communication module 5 comprises optical fiber ethernet ring network and ModBusRS485 interface, the information of box type transformer 1 is sent to described server 6, and the control command that described server 6 is sent sends to box type transformer 1 by photoelectric conversion module 11, and server 6 also can be monitored and manage inverter 8 and header box 10 simultaneously.
Operation principle of the present invention is point such as the temperature that by signal picker box type transformer need to be monitored first, immersion, electric current, after the data acquisitions such as electric current, change the signal that embedded system can be identified into by the signal processing module reception and with it, then embedded control system is analyzed to the received signal, process, and judge whether the data after processing exceed setting range, and the result that will judge sends to the background monitoring server by the optical fiber ethernet ring network of communication module or by the ModBusRS485 interface with signal, realize whole box type transformer is carried out comprehensive management, and these semaphores are shown at the panel of man-machine interface server simultaneously, when this terminal control system judges that there are abnormal conditions in box type transformer, one side is by the operation of predefined logic control box type transformer, on the other hand abnormal information is sent to server for background monitoring, also operate accordingly for management and staff's judgement, or send control command.

Claims (6)

1. photovoltaic generation unit monitoring system, comprise signal picker (2), signal processing module (3), control system (4), communication module (5), server (6), it is characterized in that: transformer (1) is provided with signal picker (2), the output of described signal picker (2) links to each other with the input of signal processing module (3), the output of described signal processing module (3) links to each other with the input of control system (4), and the output of described control system (4) is connected by the input of communication module (5) with server (6).
2. a kind of photovoltaic generation unit monitoring system according to claim 1 is characterized in that: described signal picker (2) comprises temperature sensor (2.1), immersion transducer (2.2), current sensor (2.3), voltage sensor (2.4) and switching value signal picker (2.5).
3. a kind of photovoltaic generation unit monitoring system according to claim 1, it is characterized in that: described communication module (5) is converted to fiber-optic signal with ethernet ring network, the information of each main equipment of photovoltaic generation unit is sent to server (6), and server (6) also can send control command to each main equipment by communication module (5).
4. a kind of photovoltaic generation unit monitoring system according to claim 1 is characterized in that: described control system (4) is embedded control system, and described control system (4) is provided with external power supply (7) and is used for power supply.
5. any one described a kind of photovoltaic generation unit monitoring system according to claim 1-4 is characterized in that: pass through photoelectric conversion module (11) between described communication module (5) and the server (6).
6. any one described a kind of photovoltaic generation unit monitoring system according to claim 1-4 is characterized in that: server (6) can be monitored and manage inverter (8) and header box (10).
CN201210527769XA 2012-11-26 2012-11-26 Monitoring system of photovoltaic power generation unit Pending CN103066696A (en)

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Application Number Priority Date Filing Date Title
CN201210527769XA CN103066696A (en) 2012-11-26 2012-11-26 Monitoring system of photovoltaic power generation unit

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Application Number Priority Date Filing Date Title
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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103997298A (en) * 2014-05-28 2014-08-20 广州邦讯信息系统有限公司 Monitoring data collecting terminal of photovoltaic power station and monitoring data system
CN104062554A (en) * 2014-07-16 2014-09-24 北京师范大学 Telemetering and remote signaling power monitoring and fast fault diagnosis system
CN104104515A (en) * 2014-07-28 2014-10-15 安徽科大智能电网技术有限公司 Safe direct-current carrier authentication system and authentication method for monitoring photovoltaic module
CN104201986A (en) * 2014-08-27 2014-12-10 国家电网公司 Photovoltaic power generation and supervisory control integrated device
CN104765298A (en) * 2015-03-30 2015-07-08 无锡清莲新能源科技有限公司 Energy forecasting and intelligent maintaining system and maintaining method
CN104852471A (en) * 2015-05-26 2015-08-19 舒尔环保科技(合肥)有限公司 Integrated monitoring terminal
CN104953947A (en) * 2014-03-24 2015-09-30 住友电气工业株式会社 Monitoring system for photovoltaic power generation and communication method therefor
CN105896728A (en) * 2014-11-18 2016-08-24 南京帕偌特太阳能有限公司 Slot-type solar-energy intelligent monitoring system
CN109389797A (en) * 2017-08-10 2019-02-26 株洲中车时代电气股份有限公司 A kind of fire early-warning system and method for photovoltaic plant

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202068238U (en) * 2011-06-02 2011-12-07 北京纳森新能源技术有限公司 Wind chassis type transformer protection and monitoring device
CN202210709U (en) * 2011-08-25 2012-05-02 合肥远见电力科技有限公司 Distribution transformer real time monitoring system
CN202333537U (en) * 2011-11-28 2012-07-11 保定天威恒通电气有限公司 High-reliability device for comprehensively monitoring and controlling box-type transformer substations on wind farms
CN202524163U (en) * 2012-02-09 2012-11-07 苏海勇 Intelligent monitoring system for low-voltage power distribution
CN203251140U (en) * 2012-11-26 2013-10-23 安徽泰特斯电力技术有限公司 Monitoring system of photovoltaic power generation unit

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202068238U (en) * 2011-06-02 2011-12-07 北京纳森新能源技术有限公司 Wind chassis type transformer protection and monitoring device
CN202210709U (en) * 2011-08-25 2012-05-02 合肥远见电力科技有限公司 Distribution transformer real time monitoring system
CN202333537U (en) * 2011-11-28 2012-07-11 保定天威恒通电气有限公司 High-reliability device for comprehensively monitoring and controlling box-type transformer substations on wind farms
CN202524163U (en) * 2012-02-09 2012-11-07 苏海勇 Intelligent monitoring system for low-voltage power distribution
CN203251140U (en) * 2012-11-26 2013-10-23 安徽泰特斯电力技术有限公司 Monitoring system of photovoltaic power generation unit

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104953947A (en) * 2014-03-24 2015-09-30 住友电气工业株式会社 Monitoring system for photovoltaic power generation and communication method therefor
CN104953947B (en) * 2014-03-24 2019-12-13 住友电气工业株式会社 monitoring system for photovoltaic power generation and communication method thereof
CN103997298A (en) * 2014-05-28 2014-08-20 广州邦讯信息系统有限公司 Monitoring data collecting terminal of photovoltaic power station and monitoring data system
CN104062554A (en) * 2014-07-16 2014-09-24 北京师范大学 Telemetering and remote signaling power monitoring and fast fault diagnosis system
CN104104515A (en) * 2014-07-28 2014-10-15 安徽科大智能电网技术有限公司 Safe direct-current carrier authentication system and authentication method for monitoring photovoltaic module
CN104201986A (en) * 2014-08-27 2014-12-10 国家电网公司 Photovoltaic power generation and supervisory control integrated device
CN105896728A (en) * 2014-11-18 2016-08-24 南京帕偌特太阳能有限公司 Slot-type solar-energy intelligent monitoring system
CN104765298A (en) * 2015-03-30 2015-07-08 无锡清莲新能源科技有限公司 Energy forecasting and intelligent maintaining system and maintaining method
CN104852471A (en) * 2015-05-26 2015-08-19 舒尔环保科技(合肥)有限公司 Integrated monitoring terminal
CN109389797A (en) * 2017-08-10 2019-02-26 株洲中车时代电气股份有限公司 A kind of fire early-warning system and method for photovoltaic plant

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Application publication date: 20130424