CN204575118U - A kind of Intelligent photovoltaic substation data acquisition system - Google Patents
A kind of Intelligent photovoltaic substation data acquisition system Download PDFInfo
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- CN204575118U CN204575118U CN201520136941.8U CN201520136941U CN204575118U CN 204575118 U CN204575118 U CN 204575118U CN 201520136941 U CN201520136941 U CN 201520136941U CN 204575118 U CN204575118 U CN 204575118U
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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
- 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
Abstract
The utility model discloses a kind of Intelligent photovoltaic substation data acquisition system in field of electrical equipment, comprise the temperature wind-force detecting unit be connected to through RS485 serial ports on data acquisition unit, header box data acquisition unit, integrated device cooling system, AC isolating switch monitoring means, pressure becomes protection supervisory equipment, low-voltage direct cabinet and inverter data acquisition unit, described data acquisition unit is connected on host computer through RS485/RS232 converter, the utility model carries out communication by RS485 standard serial port and data acquisition unit, data transfer to backstage host computer, thus the remote centralized control realized each equipment, substantially increase the stability that this photovoltaic plant runs, reliability, economy, can be used in photovoltaic transformer station.
Description
Technical field
The utility model relates to a kind of photovoltaic transformer station, particularly a kind of photovoltaic Data Collector Equipment in Substation.
Background technology
Along with industrial expansion, the demand of the energy increases rapidly, and the non-renewable energy resources shortages of resources such as oil coal.Current environmental pollution increases the weight of, and the whole world all uses environmental protection new forms of energy advocating, and sun power is subject to everybody and welcomes widely because of its infinite property, popularity, spatter property.Photovoltaic industry is also called solar cell industry, namely utilizes solar level semi-conductor electronic device to absorb solar radiation energy, and makes it the industry being converted into electric energy.Greatly develop photovoltaic industry, active development sun power has become the important component part of various countries' strategy of sustainable development.Because photovoltaic plant starting is late, photovoltaic intelligent automation development is imperfect, and in photovoltaic transformer station due to reality in photovoltaic module distribution wide, header box number is many, the communication of each equipment room is convenient not, thus causes operation maintenance person works amount larger and uneconomical.
Utility model content
The purpose of this utility model is to provide a kind of Intelligent photovoltaic substation data acquisition system, reliable and stable image data, improves power supply quality.
The purpose of this utility model is achieved in that a kind of Intelligent photovoltaic substation data acquisition system; comprise the temperature wind-force detecting unit be connected to through RS485 serial ports on data acquisition unit, header box data acquisition unit, integrated device cooling system, AC isolating switch monitoring means, pressure become protection supervisory equipment, low-voltage direct cabinet and inverter data acquisition unit, described data acquisition unit is connected on host computer through RS485/RS232 converter.
As further restriction of the present utility model, all described RS485 interfaces are all connected with data acquisition unit by twisted-pair feeder.
During utility model works, in photovoltaic intelligent transformer station, each equipment carries out communication by RS485 standard serial port and data acquisition unit, and data transfer to backstage host computer, thus realizes the remote centralized control to each equipment, and above each unit acquisition function is as follows:
1, temperature wind-force detecting unit: the data that collecting temperature, wind-force monitoring modular gather, user can understand the change of outdoor environment temperature, for the timely judgment device ruuning situation of user provides foundation;
2, header box data acquisition unit: gather electric current, voltage value in header box and provide foundation to judging whether photovoltaic module normally works, user can hold Timeliness coverage at PC and fix a breakdown;
Whether 3, integrated device cooling system: gather photovoltaic combined electrical apparatus cooling system fan operation status data, make user understand cooling system and run normal, prevent temperature overheating from causing device damage, ensure security of operation;
4, AC isolating switch monitoring means: gather AC circuit-breaker status signal and electric current and voltage, user can grasp deciliter state of isolating switch at PC end, know the output state of inverter;
5, pressure becomes protection supervisory equipment: gather the data such as transformer running temperature, output current, voltage, frequency and the load condition gathered in comprehensive protector of transformer module, and user can check the protection information of its inside at PC end, data also can make timely adjustment;
6, low-voltage direct cabinet: gather DC cabinet voltage data, user can judge whether voltage is operated in regulation safe range, Timeliness coverage local fault assembly, improves equipment reliability of operation and security;
7, inverter data acquisition unit: the voltage, the electric current that gather the input end of inverter; the voltage of output terminal, electric current; and some data such as overprotection, control signal of inverter itself; at PC end, user can judge that whether inverter work is normal, check inverter device running state information, failure logging information and revise inverter related data etc. in time.
Compared with prior art, the beneficial effects of the utility model are, the utility model be a kind of based on computing machine, by first and second equipment of transformer station (comprise measurement, signal, control, protection, automatically, telemechanical etc.) through the mode of data transmission, function is combined, the computer supervisory control system of the standardization of formation, modularization, networking; This utility model can collect more complete data and information, utilize high-speed computational capability and the logic judging function of computing machine, can the operation of various equipment and operation in monitoring and controlling transformer station easily, it has synthetic function, the intelligentized distinguishing feature of operational management.Industrially, RS485 bus because of its interface simple, networking is convenient, features such as long transmission distance and being used widely, in transformer station, each equipment carries out communication by RS485 standard serial port and data acquisition unit, data transfer to backstage PC man machine operation interface, thus realize (can its parameter of remote setting to the long-distance centralized control of each equipment, its duty of real-time reading, control its running status, the failure message of each equipment of real-time reflection), the reliable and stable data acquisition realizing each device parameter in photovoltaic transformer station, gather, be convenient to the ruuning situation monitoring each equipment, improve power supply quality.Substantially increase stability, reliability, economy that this photovoltaic plant runs.While improve the operation and management level of system, also reduce transformer substation construction operation cost.Intelligent substationization can improve the accuracy of transformer station's measurement and the reliability of control greatly, improve the quality of electric energy, reduce transformer station's floor area, reduce cost, decrease gross investment, decrease maintenance workload, reduce person on duty's labour intensity, make full use of existing equipment, thus considerable economy and community income can be brought for user.The utility model can be used in photovoltaic transformer station.
Accompanying drawing explanation
Fig. 1 is the utility model model calling block diagram.
Embodiment
A kind of Intelligent photovoltaic substation data acquisition system as shown in Figure 1; comprise the temperature wind-force detecting unit be connected to through RS485 serial ports on data acquisition unit, header box data acquisition unit, integrated device cooling system, AC isolating switch monitoring means, pressure become protection supervisory equipment, low-voltage direct cabinet and inverter data acquisition unit; data acquisition unit is connected on host computer through RS485/RS232 converter, and all RS485 interfaces are all connected with data acquisition unit by twisted-pair feeder.
As shown in Figure 1, the utility model can realize following functions:
1, by header box voltage, current data to data acquisition unit, the real-time monitoring to photovoltaic module running status can be realized;
2, in Temperature Measure Control module, collecting temperature data, to data acquisition unit, can observe real time temperature data on PC;
3, the normal service data collection of inverter is to data acquisition unit;
4, all kinds of four remote sensing informations, the running state information of comprehensive protector of transformer.Its protection information, action record can be checked on PC;
5, photovoltaic combined electrical apparatus cooling system fan operation status data, can show its start and stop state on PC;
6, low-voltage direct cabinet data, can show information of voltage in real time on PC;
7, AC circuit-breaker status signal, can show its deciliter state in real time on PC;
Above 7 data acquisitions all carry out data transmission by RS485 serial ports in accordance with modbus agreement, and the half-duplex network of RS485 interface composition is generally two-wire system, and the Shielded Twisted Pair that adopts is transmitted more.This mode of connection is that bus type topological structure can mount at most 32 nodes on same bus.In RS485 communication network, general employing is master-slave communication mode, and namely a main frame band is multiple from machine.In a lot of situation, a pair twisted-pair feeder is just used to be coupled together by " A ", " B " of each interface end when connecting RS485 communication link simply, the data transmission between realization.Data transfer to PC man-machine interface, thus realize the intellectuality of photovoltaic plant.
The utility model is not limited to above-described embodiment; on the basis of technical scheme disclosed in the utility model; those skilled in the art is according to disclosed technology contents; do not need performing creative labour just can make some to some technical characteristics wherein to replace and distortion, these are replaced and are out of shape all in protection domain of the present utility model.
Claims (2)
1. an Intelligent photovoltaic substation data acquisition system; it is characterized in that; comprise the temperature wind-force detecting unit be connected to through RS485 serial ports on data acquisition unit, header box data acquisition unit, integrated device cooling system, AC isolating switch monitoring means, pressure become protection supervisory equipment, low-voltage direct cabinet and inverter data acquisition unit, described data acquisition unit is connected on host computer through RS485/RS232 converter.
2. a kind of Intelligent photovoltaic substation data acquisition system according to claim 1, is characterized in that, all described RS485 interfaces are all connected with data acquisition unit by twisted-pair feeder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520136941.8U CN204575118U (en) | 2015-03-11 | 2015-03-11 | A kind of Intelligent photovoltaic substation data acquisition system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520136941.8U CN204575118U (en) | 2015-03-11 | 2015-03-11 | A kind of Intelligent photovoltaic substation data acquisition system |
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| CN204575118U true CN204575118U (en) | 2015-08-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106873730A (en) * | 2017-03-20 | 2017-06-20 | 江苏师范大学 | A kind of photovoltaic data collection process device |
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2015
- 2015-03-11 CN CN201520136941.8U patent/CN204575118U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106873730A (en) * | 2017-03-20 | 2017-06-20 | 江苏师范大学 | A kind of photovoltaic data collection process device |
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| C14 | Grant of patent or utility model | ||
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| CP01 | Change in the name or title of a patent holder |
Address after: 225800, No. 9, Guang Dao Town, Guang Yang Town, Baoying County, Yangzhou, Jiangsu Patentee after: JIANGSU JINYOU ELECTRIC CO., LTD. Address before: 225800, No. 9, Guang Dao Town, Guang Yang Town, Baoying County, Yangzhou, Jiangsu Patentee before: JIANGSU JINYANG ELECTRICAL CO., LTD. |