CN109711700A - A kind of service network management system for photovoltaic plant - Google Patents
A kind of service network management system for photovoltaic plant Download PDFInfo
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- CN109711700A CN109711700A CN201811558506.9A CN201811558506A CN109711700A CN 109711700 A CN109711700 A CN 109711700A CN 201811558506 A CN201811558506 A CN 201811558506A CN 109711700 A CN109711700 A CN 109711700A
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- 238000012544 monitoring process Methods 0.000 claims abstract description 36
- 238000013461 design Methods 0.000 claims abstract description 26
- 238000003745 diagnosis Methods 0.000 claims abstract description 13
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- 239000003245 coal Substances 0.000 claims abstract description 7
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- 230000007613 environmental effect Effects 0.000 claims description 5
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- 238000007726 management method Methods 0.000 description 34
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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
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- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
Abstract
The invention discloses a kind of service network management systems for photovoltaic plant, including network management server；Database module；For acquiring the power station side data acquisition module of the data-signal of photovoltaic plant；Invest to build conceptual design module in power station for designing photovoltaic module optimum embedding angle degree；For simulating the digital simulation module of the proposed power station input and output situation set；For converting the carbon footprint module of coal consumption under identical generated energy, discharge amount of pollution data；For acquiring the video monitoring module of independent monitoring power station video information；For carrying out the fault diagnosis module of fault diagnosis.It is that photovoltaic plant provides multi-faceted data and supports and take into account and built the O&M in power station and the business such as monitor that photovoltaic service internet development platform of the invention, which relies on Internet technology and big data platform to establish reliable information network platform, reinforce the comprehensive effect of photovoltaic plant construction, the operation after also building up for power station provides reliable technical support and data supporting.
Description
Technical field
The present invention relates to photovoltaic network technique field, in particular to a kind of service network management system for photovoltaic plant
System.
Background technique
With socio-economic development, energy problem increasingly causes the concern of the whole society, and conventional energy resource shortage has become system
About one of the important bottleneck of China's economic development, the development and utilization of renewable energy seems more more and more urgent.It taps a new source of energy
It is the important component of our country energy development strategy, the Chinese government attaches great importance to this, has put into effect multinomial drum successively in recent years
Encourage policy.
Energy restructuring is the selection of national strategy level, and environmental protection becomes social concern, and the following country pushes greatly
The trend built into new and renewable energy is irreversible, and photovoltaic plant is increasingly becoming a big hot topic industry.
As social photovoltaic plant is more and more now, the construction level of photovoltaic plant is also irregular, the construction in power station
The development of photovoltaic plant is all greatly limited from exploitation, technology, construction, O&M etc..Now have no on the market it is a can
The Project Product of comprehensive various dimensions is provided for photovoltaic plant, also only some large-sized photovoltaic companies establish some serve as
, there are significant limitation and range in the communication of O&M and monitoring backstage, with horizontal also not high.
Summary of the invention
In order to overcome the shortcomings of the prior art, the present invention uses Internet technology and big data platform, establishes one kind
For the completely new service network management system of photovoltaic plant, the technical solution is as follows:
The present invention provides a kind of service network management systems for photovoltaic plant, comprising:
Network management server；
Power station side data acquisition module, for acquiring the data-signal of photovoltaic plant, the data-signal of the photovoltaic plant
Including inverter, transformer, high-voltage board, DC power supply, kilowatt-hour meter, environmental monitoring parameter；
Database module, for analyzing in the network management server the data that power station side data acquisition module acquires
And after arranging, storing data result；
Conceptual design module is invested to build in power station, for investing to build demand according to preset, designs the best peace of every piece of photovoltaic module
Angle is filled, in the hope of corresponding power station electricity volume, the demand of investing to build includes grid-connect mode, longitude and latitude, installation environment, installation
The grid-connected selection of area, component capacity, inverter style, high-low pressure, user transformers capacity；
Digital simulation module, for establishing virtual data base with existing power station, according to virtual data base to the proposed electricity set
Station is tested and assessed, and the input and output situation in the proposed power station set is checked in simulation；
Carbon footprint module, for coal consumption, dirt under the identical generated energy in generated energy information analysis Coal-fired Thermal Power station according to power station
Contaminate discharge amount data；
Video monitoring module is sent for acquiring the monitoring video information in independent power station, and by the monitoring video information
To the network management server；
Fault diagnosis module, signal for being acquired by fault disconnection device to the power station side data acquisition module into
Row fault diagnosis, and fault message is fed back to the network management server.
Further, the method that the optimum embedding angle degree of every piece of photovoltaic module of conceptual design module design is invested to build in the power station
Include:
The radiation of average day of local each month horizontal plane over the years is obtained according to latitude and longitude information；
It is radiated according to the average day of the horizontal plane, obtains maximum horizontal face solar energy total radiation corresponding time and day
Sequence；
According to the time and day sequence, corresponding solar declination is obtained, and using the complementary angle of the solar declination as every piece
The optimum embedding angle degree of photovoltaic module.
Further, the solar declination is calculated using following formula:
δ=0.3723+23.2567sinx+0.1149sin2x-0.1712sin3x-0.7580cosx+
0.3656cos2x+0.0201cos3x, wherein x=2 π × (N-N0)/365.2422,
Wherein, N0=79.6764+0.2422 (y-1985)-INT [0.25 × (y-1985)]；
In formula: δ is solar declination (unit rad)；N is day sequence, value range 1-366；Y is the time；INT [] is to take
Integral function.
Further, the service network management system further includes facilities management module, for according to the database mould
The data result of block storage, transfers power station side apparatus information relevant to particular account number；And/or it is acquired to the power station side data
Module, which is sent, instructs the remote control of station equipment.
Further, the facilities management module is also used to transfer surveillance video letter according to the video monitoring module
Breath.
Further, the service network management system further includes expert's support module, is supported for providing human expert
Interface realizes the network instant communication with on-line expert.
Further, the power station side data acquisition module includes communication processor and multiple casees become measure and control device, described
Multiple casees become measure and control device and are successively linked in sequence, the last one case becomes measure and control device and connect with the communication processor, described logical
Believe that supervisor is communicated to connect by GPRS remote-transmission module and the network management server.
Further, the case becomes measure and control device and PLC control equipment corresponds, the output of each PLC control equipment
End is connect with multiple inverters, is connected between the PLC control equipment and inverter by Serial Port Line, optical fiber or cable.
Further, the communication processor also with fault disconnection device, electric energy quality on-line monitoring device, route protection
Measure and control device, tranformer protection measure and control device, environment detector, the connection of background monitoring host.
Further, the network management server is cloud computing center, and the management system further includes and the cloud meter
The long-range management end PC of the one or more of calculation center connection or monitoring mobile phone client.
Technical solution bring provided by the invention has the beneficial effect that:
1) the many-sided resource of comprehensive software for calculation, enterprise backend, Chevron Research Company (CRC), expert team etc. on the market, by photovoltaic electric
Standing, construction is more intuitive more pellucidly to be embodied to user；
2) most accurately design scheme and investment return analysis is provided for photovoltaic plant construction, is provided for power station investment construction
The data of first time are analyzed and feasibility study；
3) all data for integrating power station O&M backstage is made preparation judgement to monitoring power station and fault diagnosis, is reduced
The O&M cost in power station；
4) foundation of database allows the data in each power station to have the ability of centralized processing and analysis, and to the excellent of Built hydropower station
Bad carry out accurate judgement.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is the module frame chart of the service network management system provided in an embodiment of the present invention for photovoltaic plant；
Fig. 2 is the power station side data acquisition module structural representation of service network management system provided in an embodiment of the present invention
Figure.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The model that the present invention protects all should belong in member's every other embodiment obtained without making creative work
It encloses.
It should be noted that description and claims of this specification and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so as to the embodiment of the present invention described herein can in addition to illustrating herein or
Sequence other than those of description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that cover
Covering non-exclusive includes to be not necessarily limited to for example, containing the process, method of a series of steps or units, device, product or equipment
Step or unit those of is clearly listed, but may include be not clearly listed or for these process, methods, product
Or other step or units that equipment is intrinsic.
The construction of photovoltaic plant at this stage has entered the transition stage of cheap internet access, the investment construction of photovoltaic plant at and
The installed capacity in income and power station itself and generating efficiency have more direct connection.Therefore each project using optimal case into
The construction of row photovoltaic plant meets maximization or the fastest capital requirement of the power plant construction side to investment repayment.
The present invention provides a kind of photovoltaic service internet development platforms, including power station information searching platform, Power Plant Design side
Case selection platform, Facilities Management Platform, investment analysis platform, carbon footprint, digital simulation platform, video monitoring platform, failure are examined
Disconnected platform, expert consulting platform etc., the power generation situation of present networks platform analog project location difference component can be based on project
The radiation value in location, installed capacity, mounting height angle, installation position angle, cost of investment, lending ratio, loan interest rate, sale of electricity
Price, government subsidy, user power consumption estimate etc. basic datas power station is calculated after 25 annual electricity generating capacities are estimated in the future it is specific
The parameters such as rate of return on investment；Basic power station model is established, using existing power station as database, is tested and assessed to the proposed power station that sets,
Coefficient correction is carried out to software by a large amount of data comparison and observation in real time, the calculating accuracy of raising obtains investment repayment
Rate and situation of Profit provide data supporting to design and exploitation provides corresponding data for judgement；During power plant construction,
Input corresponding data can analyse project construction period and cost control scientifically, provide data, item controlled construction for project construction
Cost and progress；A large amount of power stations are monitored during project O&M and malfunction elimination, are analyzed, provided by mass data
The power station O&M of optimization designs.
In one embodiment of the invention, a kind of service network management system for photovoltaic plant is provided, referring to
Fig. 1, the service network management system include:
Network management server；
Power station side data acquisition module, for acquiring the data-signal of photovoltaic plant, the data-signal of the photovoltaic plant
Including inverter, transformer, high-voltage board, DC power supply, kilowatt-hour meter, environmental monitoring parameter；
Database module, for analyzing in the network management server the data that power station side data acquisition module acquires
And after arranging, storing data result；
Conceptual design module is invested to build in power station, for investing to build demand according to preset, designs the best peace of every piece of photovoltaic module
Angle is filled, in the hope of corresponding power station electricity volume, the demand of investing to build includes grid-connect mode, longitude and latitude, installation environment, installation
The grid-connected selection of area, component capacity, inverter style, high-low pressure, user transformers capacity；
Digital simulation module, for establishing virtual data base with existing power station, according to virtual data base to the proposed electricity set
Station is tested and assessed, and the input and output situation in the proposed power station set is checked in simulation；
Carbon footprint module, for coal consumption, dirt under the identical generated energy in generated energy information analysis Coal-fired Thermal Power station according to power station
Contaminate discharge amount data；
Video monitoring module is sent for acquiring the monitoring video information in independent power station, and by the monitoring video information
To the network management server；
Fault diagnosis module, signal for being acquired by fault disconnection device to the power station side data acquisition module into
Row fault diagnosis, and fault message is fed back to the network management server.
It is illustrated one by one according to each module below:
One, power station side data acquisition module and database module
Photovoltaic plant will generally establish the grid-connected project of communication platform, especially high pressure in corresponding stand after building up had
Communication system in kind station acquires network in the present invention and existing Photovoltaics Com Inc.'s background monitoring acquisition system is simultaneous referring to fig. 2
Hold, backstage technology is communicated with the monitoring in general power station, to the inverter in power station, transformer, high-voltage board, DC power supply, electric degree
The all datas such as table, environmental monitoring are acquired, and the signal of acquisition collects in power station side through the communication manager logarithm in station
Pooled classification is carried out according to source, establishes monitor supervision platform in small-sized station in power station side, finally by GPRS teletransmission to information platform backstage
Server carries out finishing analysis to data, and is stored in database.
As shown in Fig. 2, the power station side data acquisition module includes communication processor and multiple casees become measure and control device, it is described
Multiple casees become measure and control device and are successively linked in sequence, the last one case becomes measure and control device and connect with the communication processor, described logical
Believe that supervisor is communicated to connect by GPRS remote-transmission module and the network management server.Specifically, the case becomes measure and control device
It is corresponded with PLC control equipment, the output end of each PLC control equipment is connect with multiple inverters, and the PLC controls equipment
It is connect between inverter by Serial Port Line, optical fiber or cable.Preferably, the communication processor also with fault disconnection device,
Electric energy quality on-line monitoring device, route protection measure and control device, tranformer protection measure and control device, environment detector, background monitoring
Host connection.
Two, conceptual design module is invested to build in power station
Setting user items necessary condition item input such as grid-connect mode selection (fully surfing the Internet, remaining electricity online of generating power for their own use),
Longitude and latitude, installation environment (selection color steel tile, mixed mud, ground), mounting area (length and width), component capacity, inverter style
The call parameters such as the grid-connected selection of (centralization, string type), high-low pressure (high pressure grid-connected, low-pressure grid-connection), user transformers capacity, lead to
The essential information software for crossing power station can calculate the installation of optimum embedding angle degree (the best power generation angle of every block assembly), different angle
Capacity (from 0 ° to best angle), 25 years theoretical power generations of corresponding angle, grid entry point Preliminary design；Specific calculation are as follows:
The longitude and latitude inputted by user, link NASA network obtain the radiation of average day and monthly mean temperature on local each moon horizontal plane
Data, being calculate by the following formula optimum angle of incidence and 25 annual electricity generating capacities in conjunction with setting angle and azimuth, (formula is derived from QXT
89-2008 solar energy resources appraisal procedure, GB50797-2012 photo-voltaic power generation station design specification).
Specifically, the method packet of the optimum embedding angle degree of every piece of photovoltaic module of conceptual design module design is invested to build in the power station
It includes: latitude and longitude information being inputted into NASA network to obtain the average day of local level over the years and radiate；By the flat of the horizontal plane
Equal day radiation inputs existing software systems, obtains the horizontal plane solar energy global radiation in which day (N) in specific a certain year (y)
Amount is maximum；According to time (y) He Xu (N), corresponding solar declination (δ) is obtained, and by the complementary angle of the solar declination
The optimum embedding angle degree of (90 ° of-δ) as every piece of photovoltaic module.
Wherein, the solar declination is calculated using following formula:
δ=0.3723+23.2567sinx+0.1149sin2x-0.1712sin3x-0.7580cosx+
0.3656cos2x+0.0201cos3x, wherein x=2 π × (N-N0)/365.2422,
Wherein, N0=79.6764+0.2422 (y-1985)-INT [0.25 × (y-1985)]；
In formula: δ is solar declination (unit rad)；N is day sequence, value range 1-366；Y is the time；INT [] is to take
Integral function.
Three, digital simulation module
Basic power station model is established, using existing power station as database, is tested and assessed to the proposed power station that sets, by a large amount of
Data comparison and in real time observation carry out coefficient correction to software, and the calculating accuracy of raising obtains rate of return on investment and income feelings
Condition provides data supporting to design and exploitation provides corresponding data for judgement；
User can also check the proposed input and output situation for setting power station by digital simulation, and more intuitive physical examination power station is built up
Effect afterwards.
Four, carbon footprint module
Photovoltaic power generation is to convert solar energy into the process of electric energy, in the whole process flow, do not generate gas,
The pollutant of liquid, solid waste etc. will not generate big noise pollution.It is imitated with the power generation in power station
Rate, generated energy and energy consumption condition based on mark coal coal consumption 400g/kWh, convert identical generated energy to compared with Coal-fired Thermal Power station
The energy-saving analysis of the discharge amounts such as standard coal, SO2, CO2.
Five, video monitoring module
Independent video surveillance network is established in individual power station, and access big data backstage, user can be directly from video monitoring
Interface transfers corresponding power station video monitoring, improves the unmanned management in power station, also substantially increases the inspection angle at scene
And efficiency.
Six, fault diagnosis module
The data fed back by power station carry out fault diagnosis to data application fault diagnosis technology, and user can examine with failure
Disconnected result makes most direct most accurate maintenance policy, improves O&M efficiency, reduces or avoid failure propagation.
Seven, facilities management module
According to the data result that the database module stores, power station side apparatus information relevant to particular account number is transferred；
And/or sent to the power station side data acquisition module and the remote control of station equipment is instructed, specifically, pass through monitoring power station
Network acquires the corresponding all data of the equipment of power station side, such as inverter, header box, low-voltage cabinet, transformer, high-voltage board
Deng deposit platform database.User can directly transfer the facility information of power station side according to account information from website, if being equipped with
Video monitoring apparatus can also directly transfer surveillance video information according to the video monitoring module.It is right in terms of inside and outside two
The working condition and running environment of running equipment are monitored management.User can according to the actual situation carry out remote device simultaneously
Remote control, instruction reach the equipment for receiving instruction by supervisor by reaching communication manager in station under the Internet, if
Automation equipment is equipped in equipment can carry out remote control.
As shown in Fig. 2, the network management server is cloud computing center, the management system further includes and the cloud meter
The long-range management end PC of the one or more of calculation center connection or monitoring mobile phone client.Photovoltaic service internet development platform will be each
The data of power station acquisition uniformly pass through GPRS teletransmission to platform backstage by the monitoring network of power station side, and platform backstage is to data
Carry out analysis deposit database.Simultaneously user side be user provide cell phone application apply with it is locally applied, facilitate user's itself
Power station O&M and management.By cell phone application or it is locally applied the operation data of power station side can be checked, and can be to power station
The communication manager of side assigns operational order, can realize the remote control to power station by data interaction network.
Eight, expert's support module
Platform provides human expert supporting interface, user can be realized by artificial channel and the one-to-one consulting of expert with online
The network instant communication of expert.
Nine, investment analysis module
User can pass through investment analysis interface entry item information table:
Website can carry out technology, construction and economic many-sided calculating analysis, specific computational theory to the investment in power station immediately
Foundation are as follows:
Foundation is national, department and Zhejiang area are existing relevant document regulation, expense standard etc., equipment price presses newest city
Field valence meter column, price of local materials arrange based on Zhejiang area, and the foundation of establishment is as follows:
The drawing and equipment, the bill of materials of 1- feasibility study design phase；
2- " land wind power plant program estimation quota " NB/T 31010-2011；
3- " land wind power plant Project design estimation Compiling norm and expense standard " NB/T 31010-2011；
4- " wind power plant project prospective design charging standard " NB/T 31007-2011.
Rate index includes:
(a) building and installation project are taken by flat cost (containing direct project expense and measure expense), overhead cost, profit and tax group
At using " land wind power plant Project design estimation Compiling norm and expense standard " (NB/T31010- of National Energy Board's publication
2011) relevant regulations in calculate.
Construction project: monovalent total=flat cost+overhead cost+profit+tax measure expense includes that construction during rainy and winter season increases
Take, carrying on construction work at night increases expense, fees for construction site facilities, Special section.
Construction increase take, construction tool apparatus usage charges, safety construction measure expense and other expenses.
Measure expense rate:
| Measure expense title | Calculate basis | Rate |
| Construction during rainy and winter season increase takes | Labour cost+machinery cost | The area V: 6.82% |
| Carry on construction work at night increase expense | Labour cost+machinery cost | 0.22% |
| Fees for construction site facilities | Labour cost+machinery cost | The area V: 6.68% |
| Special section construction increase expense | Labour cost+machinery cost | High aititude: 2.34% |
| Construction tool apparatus usage charges | Labour cost+machinery cost | 1.34% |
| Safety construction measure expense | Labour cost+machinery cost | 3% |
| Other take | Labour cost+machinery cost | 1.86% |
Overhead cost rate:
| Project category | Calculate basis | Rate |
| Earthworks project | Labour cost+machinery cost | 21.28% |
| Cubic meter of stone project | Labour cost+machinery cost | 206% |
| Concrete project | Labour cost+machinery cost | 40.98% |
| Reinforcing bar project | Labour cost+machinery cost | 39.93% |
| Based process project | Labour cost+machinery cost | 28.86% |
| Masonry builds project | Labour cost+machinery cost | 34.02% |
Profit=(labour cost+machinery cost+measure expense+overhead cost) * 10%；
Tax=(flat cost+overhead cost+profit) * tax tax rate；
Installation project: unit price adds up to=flat cost+overhead cost+profit+tax；
Measure expense rate:
Construction during rainy and winter season increase takes, calculating basis: labour cost+machinery cost
| Ⅰ | Ⅱ | Ⅲ | Ⅳ | Ⅴ | |
| Line entries | 2.21% | 3.50% | 4.71% | 6.22% | 6.94% |
| Other equipment | 2.54% | 3.59% | 5.46% | 7.21% | 8.04% |
Carry on construction work at night increase expense:
| Calculating basis | Rate | |
| Line entries | Labour cost+machinery cost | 0.15% |
| Other equipment | Labour cost+machinery cost | 0.35% |
Fees for construction site facilities:
| Ⅰ | Ⅱ | Ⅲ | Ⅳ | Ⅴ | |
| Line entries | 2.15% | 2.39% | 2.49% | 2.59% | 2.73% |
| Other equipment | 0.63% | 0.7% | 0.73% | 0.76% | 0.8% |
Safety construction measure expense:
| Calculating basis | Rate | |
| Line entries | Labour cost+machinery cost | 1.5% |
| Other equipment | Labour cost+machinery cost | 2.0% |
Construction tool apparatus usage charges:
Other take
| Calculating basis | Rate | |
| Line entries | Labour cost+machinery cost | 2.4% |
| Other equipment | Labour cost+machinery cost | 2.3% |
Overhead cost=labour cost * 108%；
Profit=(labour cost+machinery cost+measure expense+overhead cost) * 10% tax=(flat cost+overhead cost+profit) * tax
Golden Taxes rate；
(b) basic reserve fund, loan interest rate
Basic reserve fund: considering by 1%, and taking expense basis is equipment and installation project, construction project and other fees three
/ and.
Price differential reserve fund: according to former State Planning Commission ([1999] No. 1340 texts of meter investment), " State Planning Commission is about reinforcement to base
The notice of " price differential reserve fund " management relevant issues in the estimation of this construction large and medium-sized projects " spirit, investment price index is based on zero
It calculates.
Output project financial index summary sheet is calculated by financial formula, as follows:
Backstage also will transfer similar power station from big data platform by project master data and carry out comparing simultaneously,
And data analysis is carried out according to real-time cost, obtain analysis conclusion, the significantly brief feasibility study of project.This platform
One-to-one economic analyst is provided and provides more structurally sound good service for user.
Photovoltaic service internet development platform of the invention will rely on Internet technology and big data platform to establish reliable letter
Ceasing the network platform is photovoltaic plant from information inquiry, project development, economic analysis, design and construction, later period O&M, expert consulting etc.
The data supporting in comprehensive full field is provided and is taken into account and has built the business such as the O&M monitoring in power station, greatly enhances photovoltaic electric
It stands the comprehensive effect of construction, the operation after also building up for power station provides reliable technical support and data supporting.
The present invention combines the many-sided resource of software for calculation, enterprise backend, Chevron Research Company (CRC), expert team etc. on the market, will
Photovoltaic plant builds more intuitive more transparent embodiment to user.And most accurately design scheme and throwing is provided for photovoltaic plant construction
Income analysis is provided, provides data analysis and the feasibility study of first time for power station investment construction, and after integrated power station O&M
The all data of platform makes preparation judgement to monitoring power station and fault diagnosis, reduces the O&M cost in power station.Database is built
The vertical ability for allowing the data in each power station to have centralized processing and analysis, and accurate judgement is carried out to the superiority and inferiority of Built hydropower station.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of service network management system for photovoltaic plant characterized by comprising
Network management server；
Power station side data acquisition module, for acquiring the data-signal of photovoltaic plant, the data-signal of the photovoltaic plant includes
Inverter, transformer, high-voltage board, DC power supply, kilowatt-hour meter, environmental monitoring parameter；
Database module, data analysis for acquiring in the network management server to power station side data acquisition module are simultaneously whole
After reason, storing data result；
Conceptual design module is invested to build in power station, for investing to build demand according to preset, designs the optimum embedding angle of every piece of photovoltaic module
Degree, in the hope of corresponding power station electricity volume, the demand of investing to build includes grid-connect mode, longitude and latitude, installation environment, mounting surface
The grid-connected selection of product, component capacity, inverter style, high-low pressure, user transformers capacity；
Digital simulation module, for establishing virtual data base with existing power station, according to virtual data base to the proposed power station set into
The input and output situation in the proposed power station set is checked in row assessment, simulation；
Carbon footprint module, for coal consumption, pollution row under the identical generated energy in generated energy information analysis Coal-fired Thermal Power station according to power station
High-volume data；
Video monitoring module is sent to institute for acquiring the monitoring video information in independent power station, and by the monitoring video information
State network management server；
Fault diagnosis module, for carrying out event to the signal that the power station side data acquisition module acquires by fault disconnection device
Barrier diagnosis, and fault message is fed back to the network management server.
2. service network management system according to claim 1, which is characterized in that invest to build conceptual design module in the power station
The method for designing the optimum embedding angle degree of every piece of photovoltaic module includes:
The radiation of average day of local each month horizontal plane over the years is obtained according to latitude and longitude information；
It is radiated according to the average day of the horizontal plane, obtains maximum horizontal face solar energy total radiation corresponding time and day sequence；
According to the time and day sequence, corresponding solar declination is obtained, and using the complementary angle of the solar declination as every piece of photovoltaic
The optimum embedding angle degree of component.
3. service network management system according to claim 2, which is characterized in that the solar declination utilizes following formula
It is calculated:
δ=0.3723+23.2567sinx+0.1149sin2x-0.1712sin3x-0.7580cosx+0. 3656
Cos2x+0.0201cos3x, wherein x=2 π × (N-N0)/365.2422,
Wherein, N0=79.6764+0.2422 (y-1985)-INT [0.25 × (y-1985)]；
In formula: δ is solar declination (unit rad)；N is day sequence, value range 1-366；Y is the time；INT [] is to be rounded letter
Number.
4. service network management system according to claim 1, which is characterized in that further include facilities management module, be used for
According to the data result that the database module stores, power station side apparatus information relevant to particular account number is transferred；And/or to institute
The transmission of power station side data acquisition module is stated to instruct the remote control of station equipment.
5. service network management system according to claim 4, which is characterized in that the facilities management module is also used to root
Surveillance video information is transferred according to the video monitoring module.
6. service network management system according to claim 1, which is characterized in that further include expert's support module, be used for
Human expert supporting interface is provided, realizes the network instant communication with on-line expert.
7. service network management system according to claim 1, which is characterized in that the power station side data acquisition module packet
It includes communication processor and multiple casees becomes measure and control device, the multiple case becomes measure and control device and is successively linked in sequence, the last one case becomes
Measure and control device is connect with the communication processor, and the communication processor passes through GPRS remote-transmission module and the network management services
Device communication connection.
8. service network management system according to claim 7, which is characterized in that the case becomes measure and control device and PLC is controlled
Control equipment corresponds, and the output end of each PLC control equipment is connect with multiple inverters, the PLC control equipment and inversion
Pass through Serial Port Line, optical fiber or cable connection between device.
9. service network management system according to claim 7, which is characterized in that the communication processor also with failure solution
Array apparatus, electric energy quality on-line monitoring device, route protection measure and control device, tranformer protection measure and control device, environment detector, after
The connection of platform monitoring host computer.
10. service network management system according to claim 7, which is characterized in that the network management server is cloud
Calculating center, the management system further include the long-range management end PC of one or more connecting with the cloud computing center or mobile phone
Monitor client.
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