CN107834598A - A kind of dispatch automated system based on solar power generation - Google Patents
A kind of dispatch automated system based on solar power generation Download PDFInfo
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- CN107834598A CN107834598A CN201711119076.6A CN201711119076A CN107834598A CN 107834598 A CN107834598 A CN 107834598A CN 201711119076 A CN201711119076 A CN 201711119076A CN 107834598 A CN107834598 A CN 107834598A
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- 238000010248 power generation Methods 0.000 title claims abstract description 22
- 238000004458 analytical method Methods 0.000 claims abstract description 15
- 238000012544 monitoring process Methods 0.000 claims abstract description 9
- 238000001514 detection method Methods 0.000 claims description 15
- 230000005611 electricity Effects 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000011156 evaluation Methods 0.000 claims description 9
- 238000004146 energy storage Methods 0.000 claims description 8
- 238000013459 approach Methods 0.000 claims description 6
- 238000005457 optimization Methods 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 4
- 238000011161 development Methods 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims description 2
- 241001123248 Arma Species 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 15
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 208000012639 Balance disease Diseases 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000004393 prognosis Methods 0.000 description 2
- 230000005619 thermoelectricity Effects 0.000 description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
Classifications
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- H02J3/383—
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
- H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/388—Islanding, i.e. disconnection of local power supply from the network
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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
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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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
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
Abstract
The present invention provides a kind of dispatch automated system based on solar power generation, including basic platform, monitoring modular, prediction module, scheduler module and analysis module, monitoring modular include real-time irradiation level, real-time voltage and realtime power monitor.By setting one with adjustable auto-transformer in the outlet side of inverter or being provided with VAR voltage changers, the conversion of tap is realized by a closed-loop control system, so as to control the amplitude and phase of output voltage completely, so that output voltage waveforms do not have large-scale fluctuation, and DC voltage can be obtained by a uncontrollable diode rectifier circuit, VAR technologies can maintain the voltage level of power grid and the quality of power supply of defined automatically within the time of part second by changing DC voltage come control voltage, this is particularly advantageous for the weaker power network of system, higher power factor can also be reached, improve the safe operation after new energy input power network.
Description
Technical field
The present invention relates to photovoltaic generation and controlling equipment technical field, specially a kind of scheduling based on solar power generation is certainly
Dynamicization system.
Background technology
In recent years, global environmental pollution and energy shortage force people to find and tap a new source of energy harder.
New energy is the clean energy resource for protecting ball ecological environment for the survival of mankind, and it certainly will substitute making for traditional energy by gradual
With.Wherein, photovoltaic generation in the past decade there has been quick development, be the free of contamination abundant energy, and can be negative
Lotus immediate vicinity is generated electricity, therefore the ultra-high-tension power transmission line in city is passed through without setting up.In many countries, the policy support of government and
Consumer causes photovoltaic energy market just in Rapid Expansion the preference of green electric power supply.
New energy Optimized Operation is in the case where meeting power system security stable operation constraint at present, is reserved according to prediction result
Generation of electricity by new energy running space, realization do not abandon new energy electricity or abandon new energy electricity less.Fluctuation new energy owes spirit with regulation
Thermoelectricity living adds power system balance difficulty, and how to coordinate new energy consumption and electric power netting safe running is that new energy optimization is adjusted
The difficult point of degree, existing technology are difficult to solve problem above.
The content of the invention
(1) technical problem solved
In view of the shortcomings of the prior art, the invention provides a kind of dispatch automated system based on solar power generation, solution
Current new energy Optimized Operation mentioned above of having determined is in the case where meeting power system security stable operation constraint, is tied according to prediction
Fruit reserves generation of electricity by new energy running space, and realization does not abandon new energy electricity or abandons new energy electricity less.Fluctuation new energy is with adjusting
Section owes flexible thermoelectricity and adds power system balance difficulty, and how to coordinate new energy consumption and electric power netting safe running is new energy
The difficult point of Optimized Operation.
(2) technical scheme
To realize object above, the present invention is achieved by the following technical programs：A kind of tune based on solar power generation
Spend automated system, including basic platform, monitoring modular, prediction module, scheduler module and analysis module, the monitoring modular
Including real-time irradiation level, real-time voltage and realtime power monitor, the scheduler module is by receiving capability evaluation module, new energy
Source development module, be incorporated into the power networks evaluation module and automatic control module composition, and the prediction module is by historical data module, field
Theoretical generation evaluation module, station prediction power model and the prediction error module of standing form, and the analysis module is by algorithm mould
Block and model optimization module composition, the basic platform is by solar power station, thermal power station, inverter, transformer, energy storage
Device and grid-connected system composition, the basic platform are connected by main power network switch with power distribution network, and the basic platform passes through
The grid-connected switch of load is connected with load, and the detection module is connected by data line with the basic platform, the scheduling
Module is connected by wired mode with the scheduler module.
Preferably, the basic platform sets one with adjustable auto-transformer or setting in the outlet side of inverter
There are VAR voltage changers.
Preferably, the output end of the basic platform is configured with supercharging direct current transportation device, and power network uses flexible AC transmission
System.
Preferably, the grid-connected system cuts off the isolated island device of unnecessary configuration, and uses frequency or voltage relay
Detection method, voltage harmonic detection method, voltage-phase abrupt climatic change method at least one detection method.
Preferably, the prediction module is typically carried out using multivariate time series analytic approach and wavelet analysis method to data
Analysis.
Preferably, the scheduler module is realized by PLC and automatically controlled.
Preferably, the prediction module not only includes historical power data, also comprising actual measurement meteorological data, realtime power with
And meteorological future anticipation data etc..
(3) beneficial effect
The invention provides a kind of dispatch automated system based on solar power generation.Possesses following beneficial effect：
1st, the dispatch automated system based on solar power generation is somebody's turn to do, by setting one with adjustable in the outlet side of inverter
Auto-transformer or be provided with VAR voltage changers, the conversion of tap is realized by a closed-loop control system
, so as to control the amplitude and phase of output voltage completely so that output voltage waveforms do not have large-scale fluctuation, and can
To obtain DC voltage by a uncontrollable diode rectifier circuit, VAR technologies can be rather by changing DC voltage
One of come voltage level of power grid and the quality of power supply that control voltage maintains defined automatically in the time of second, this is relatively thin for system
Weak power network is particularly advantageous, moreover it is possible to reaches higher power factor, improves the safe operation after new energy input power network.
2nd, the dispatch automated system based on solar power generation is somebody's turn to do, by setting the electricity using flexible AC transmitting system
Net, flexible AC transmission technology be combined power electronic technology, microprocessor and microelectric technique, the communication technology and control technology and
What is formed is used for the new technology of flexibly quick control ac transmission, and it can strengthen the stability of AC network and reduce electric power biography
Defeated cost, and by providing sensing or reactive power for power network so as to improve transmission of electricity quality and efficiency, add power network
Stability.
3rd, the dispatch automated system based on solar power generation is somebody's turn to do, by cutting off the isolated island device of unnecessary configuration, and is adopted
Isolated island device is detected with passive detection method, passive type detection method will not produce interference to power system, and cheap,
Although check frequency be present in passive type method, and the presence of check frequency be limit distributed power source access power network factor it
One, but unnecessary isolated island device is cut off in actual motion, and the power supplied is little, and relaying configuration is reasonable, prevents grid-connected inverse
The damage of change system and electrical equipment, it is ensured that the personal safety of electric power overhaul personnel.
4th, the dispatch automated system based on solar power generation is somebody's turn to do, by using multivariate time series analytic approach and small echo
The prediction module that analytic approach is analyzed data, and packet contains historical data and weather prognosis data, not only increases
The science and predictability of data, and analysis method comprehensively, authority, the also analysis to data absolute error, make
The data prediction of photovoltaic electrification component power output within following 5h it is accurate, improve the degree of accuracy of prediction module and credible
Degree.
5th, the dispatch automated system based on solar power generation is somebody's turn to do, by setting battery, water-storage, compressed air to store
The energy storage device such as the energy and hot energy storage mode operation reserve practical as optimization grid power, not only solves main system
Constraint, and the basic problem of dynamic stability, short-circuit power etc. has been handled, and cost is not high, is realizing multiple functions
Aspect can have great advantage.
Brief description of the drawings
Fig. 1 is the overall schematic of photovoltaic generating system of the present invention；
Fig. 2 is the whole relation schematic diagram of each module of the present invention；
Fig. 3 is the overall schematic of prediction module of the present invention；
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
The embodiment of the present invention provides a kind of dispatch automated system based on solar power generation, including basic platform, monitoring
Module, prediction module, scheduler module and analysis module, monitoring modular include real-time irradiation level, real-time voltage and real-time work(
Rate monitor, scheduler module is by receiving capability evaluation module, new energy development module, be incorporated into the power networks evaluation module and automatic control
Molding block forms, and prediction module predicts power model and pre- by historical data module, station theory generation evaluation module, station
Error module composition is surveyed, analysis module is made up of algoritic module and model optimization module, and basic platform is by solar power station, warm
Power station, inverter, transformer, energy storage device and grid-connected system composition, basic platform pass through main power network switch and distribution
Net connection, basic platform are connected by the grid-connected switch of load with load, and detection module is connected by data line and basic platform
Connect, scheduler module is connected by wired mode with scheduler module.
In summary, the dispatch automated system based on solar power generation is somebody's turn to do, the outlet side passed through in inverter sets one
Individual with adjustable auto-transformer or to be provided with VAR voltage changers, the conversion of tap is by a closed-loop control system
Unite to realize, so as to control the amplitude and phase of output voltage completely so that output voltage waveforms do not have large-scale ripple
It is dynamic, and DC voltage can be obtained by a uncontrollable diode rectifier circuit, VAR technologies are by changing DC voltage energy
It is enough to come voltage level of power grid and the quality of power supply that control voltage maintains defined automatically within the time of part second, this for
The weaker power network of system is particularly advantageous, moreover it is possible to reaches higher power factor, improves the safety after new energy input power network
Operation.
Secondly, by setting the power network using flexible AC transmitting system, flexible AC transmission technology is combined power electricity
Sub- technology, microprocessor and microelectric technique, the communication technology and control technology and formed be used for flexibly quick control ac transmission
New technology, it can strengthen the stability of AC network and reduce the cost of power transmission, and by providing sense for power network
Answer or reactive power is so as to improve transmission of electricity quality and efficiency, add the stability of power network.
Also, isolated island device is detected by cutting off the isolated island device of unnecessary configuration, and using passive detection method, passively
Formula detection method will not produce interference to power system, and cheap, although check frequency be present in passive type method, and
The presence of check frequency is one of factor for limiting distributed power source access power network, but unnecessary isolated island dress is cut off in actual motion
Put, and the power supplied is little, and relaying configuration is reasonable, prevents the damage of grid-connected inverting system and electrical equipment, it is ensured that
The personal safety of electric power overhaul personnel.
Moreover, the prediction mould that data are analyzed by using multivariate time series analytic approach and wavelet analysis method
Block, and packet contains historical data and weather prognosis data, not only increases the science and predictability of data, and
And analysis method is comprehensive, authority, the also analysis to data absolute error, makes the photovoltaic electrification component output work within following 5h
The data prediction of rate it is accurate, improve the degree of accuracy and the confidence level of prediction module.
Also, by setting the energy storage devices such as battery, water-storage, Caes and hot energy storage mode to be used as
Optimize the practical operation reserve of grid power, not only solve main system restriction, and handled dynamic stability, short circuit
The basic problem of power etc., and cost is not high, can have great advantage in terms of multiple functions are realized.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply and deposited between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability includes, so that process, method, article or equipment including a series of elements not only will including those
Element, but also the other element including being not expressly set out, or it is this process, method, article or equipment also to include
Intrinsic key element.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of dispatch automated system based on solar power generation, including basic platform, monitoring modular, prediction module, scheduling
Module and analysis module, it is characterised in that：The monitoring modular includes real-time irradiation level, real-time voltage and realtime power prison
Device is surveyed, the scheduler module is by receiving capability evaluation module, new energy development module, be incorporated into the power networks evaluation module and automatic control
Molding block form, the prediction module by historical data module, station theory generation evaluation module, station predict power model with
And prediction error module composition, the analysis module is made up of algoritic module and model optimization module, the basic platform by
Solar power station, thermal power station, inverter, transformer, energy storage device and grid-connected system composition, the basic platform pass through
Main power network switch is connected with power distribution network, and the basic platform is connected by the grid-connected switch of load with load, and the detection module leads to
Cross data line to be connected with the basic platform, the scheduler module is connected by wired mode with the scheduler module.
A kind of 2. dispatch automated system based on solar power generation according to claim 1, it is characterised in that：The base
Plinth platform sets one with adjustable auto-transformer in the outlet side of inverter or is provided with VAR voltage changers.
A kind of 3. dispatch automated system based on solar power generation according to claim 1, it is characterised in that：The base
The output end of plinth platform is configured with supercharging direct current transportation device, and power network uses flexible AC transmitting system.
A kind of 4. dispatch automated system based on solar power generation according to claim 1, it is characterised in that：It is described simultaneously
Net system cuts off the isolated island device of unnecessary configuration, and using frequency or voltage relay detection method, voltage harmonic detection method,
Voltage-phase abrupt climatic change method at least one detection method.
A kind of 5. dispatch automated system based on solar power generation according to claim 1, it is characterised in that：It is described pre-
Module is surveyed typically to analyze data using multivariate time series analytic approach and wavelet analysis method.
A kind of 6. dispatch automated system based on solar power generation according to claim 1, it is characterised in that：The tune
Degree module is realized by PLC and automatically controlled.
A kind of 7. dispatch automated system based on solar power generation according to claim 1, it is characterised in that：It is described pre-
Survey module and not only include historical power data, also comprising actual measurement meteorological data, realtime power and meteorological future anticipation data etc..
A kind of 8. dispatch automated system control method based on solar power generation, it is characterised in that：In use, in basic platform
Luminous energy is directly translated into electric energy, real-time monitoring modular by the solar power station in portion using the photovoltaic effect of interface
The DATA REASONINGs such as actual emanations degree, real-time voltage and realtime power are come out, then pass data to prediction module, are predicted
After module receives real time data, passing through with surveying meteorological data and NWP data, using in multivariate time series analytic approach
Rule in arma modeling and wavelet analysis method in Mallat algorithms dynamical min historical data and real time data, can will not
The power output come within solar power station 5h is predicted and simulates by result, and then inverter voltage passes through transformer
It is connected with power network, when photovoltaic generating system largely puts into operation, power network may be caused unstable, the control inside scheduler module
Device processed can be controlled completely by the outlet side of inverter with adjustable auto-transformer or the VAR voltages changer of setting
The amplitude and phase of output voltage and DC voltage can be changed come control voltage by VAR, and power network is by for electricity
Net provides sensing or reactive power and improves the stability of power network so as to improve transmission of electricity quality and efficiency, when photovoltaic generating system is not thrown
When entering power network, unnecessary electricity can not only be stored up by battery, water-storage, Caes and hot energy storage mode
Can, and the isolated island device of unnecessary configuration is cut off, and using frequency or voltage relay detection method, voltage harmonic detection
Method, voltage-phase abrupt climatic change method can detect isolated island, avoid the damage of grid-connected inverting system and electrical equipment.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711119076.6A CN107834598A (en) | 2017-11-08 | 2017-11-08 | A kind of dispatch automated system based on solar power generation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711119076.6A CN107834598A (en) | 2017-11-08 | 2017-11-08 | A kind of dispatch automated system based on solar power generation |
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| CN107834598A true CN107834598A (en) | 2018-03-23 |
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ID=61655271
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| CN201711119076.6A Pending CN107834598A (en) | 2017-11-08 | 2017-11-08 | A kind of dispatch automated system based on solar power generation |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110943491A (en) * | 2019-11-27 | 2020-03-31 | 黑龙江电力调度实业有限公司 | Clean energy intelligent power distribution system based on ubiquitous power internet of things |
| CN111199292A (en) * | 2018-10-31 | 2020-05-26 | 法国电力公司 | Ensuring safe maintenance in a low voltage network of a power distribution system |
| CN111884265A (en) * | 2020-07-29 | 2020-11-03 | 杭州佐华科技有限公司 | New forms of energy power output automatic control system |
| CN114510878A (en) * | 2022-02-18 | 2022-05-17 | 江阴市龙马新能源科技有限公司 | Self-adaptive energy dynamic distribution system |
-
2017
- 2017-11-08 CN CN201711119076.6A patent/CN107834598A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111199292A (en) * | 2018-10-31 | 2020-05-26 | 法国电力公司 | Ensuring safe maintenance in a low voltage network of a power distribution system |
| CN111199292B (en) * | 2018-10-31 | 2023-10-13 | 法国电力公司 | Ensuring safe maintenance in a low voltage network of a power distribution system |
| CN110943491A (en) * | 2019-11-27 | 2020-03-31 | 黑龙江电力调度实业有限公司 | Clean energy intelligent power distribution system based on ubiquitous power internet of things |
| CN111884265A (en) * | 2020-07-29 | 2020-11-03 | 杭州佐华科技有限公司 | New forms of energy power output automatic control system |
| CN114510878A (en) * | 2022-02-18 | 2022-05-17 | 江阴市龙马新能源科技有限公司 | Self-adaptive energy dynamic distribution system |
| CN114510878B (en) * | 2022-02-18 | 2022-09-02 | 江阴市龙马新能源科技有限公司 | Self-adaptive energy dynamic distribution system |
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Application publication date: 20180323 |