CN108879778A - Battery energy storage monitoring method and system, battery energy storage framework - Google Patents
Battery energy storage monitoring method and system, battery energy storage framework Download PDFInfo
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- CN108879778A CN108879778A CN201810840087.1A CN201810840087A CN108879778A CN 108879778 A CN108879778 A CN 108879778A CN 201810840087 A CN201810840087 A CN 201810840087A CN 108879778 A CN108879778 A CN 108879778A
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- 238000004146 energy storage Methods 0.000 title claims abstract description 316
- 238000012544 monitoring process Methods 0.000 title claims abstract description 82
- 238000000034 method Methods 0.000 title claims abstract description 22
- 230000005611 electricity Effects 0.000 claims abstract description 84
- 238000010248 power generation Methods 0.000 claims abstract description 36
- 238000003860 storage Methods 0.000 claims abstract description 17
- 230000007613 environmental effect Effects 0.000 claims description 16
- 238000007599 discharging Methods 0.000 claims description 9
- 230000004044 response Effects 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 8
- 238000005457 optimization Methods 0.000 claims description 6
- 230000009466 transformation Effects 0.000 claims 1
- 230000003287 optical effect Effects 0.000 abstract description 8
- 230000008901 benefit Effects 0.000 description 6
- 239000002803 fossil fuel Substances 0.000 description 6
- 230000003247 decreasing effect Effects 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000009977 dual effect Effects 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
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- 239000003245 coal Substances 0.000 description 1
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- 238000013461 design Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
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Classifications
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- H02J3/383—
-
- 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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- 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
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/10—Flexible AC transmission systems [FACTS]
-
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses battery energy storage monitoring method and system, battery energy storage framework, in the framework, photovoltaic system converts the solar into electrical energy transportation to power grid, or by power storage to battery energy storage system；Battery energy storage system delivers the power to power grid, and receives electric energy and the storage of power grid conveying；Monitoring system monitors photovoltaic power generation quantity, the electricity that framework is got from power grid and the electricity for being transported to power grid, the operation conditions of monitoring photovoltaic system, battery energy storage system, the first transformer, the second transformer by ammeter, and is scheduled to battery energy storage system.The present invention passes through charge and discharge rule different under different working modes, and the charge/discharge operation for battery energy storage system of making rational planning for fully ensures that its service performance and service life；When power grid does not receive the generated energy online of photovoltaic plant, the generated energy of photovoltaic plant can be stored, allow to be sent to power grid in the period surfed the Internet, reducing and abandon optical phenomenon, utmostly utilize solar power generation.
Description
Technical field
The present invention relates to the technical field more particularly to battery energy storage monitoring method of photovoltaic and battery energy storage and systems, electricity
Pond energy storage framework.
Background technique
With the sustainable growth and economic continuous development of world population, the energy/electric power demand is increasingly increased, and
At present in the energy resource structure in the whole world, the fossil fuels such as main or dependence coal, oil and natural gas.However tellurian fossil
The reserves of fuel are limited, and only have the yield of decades according to explored reserves, with the raising of economic level, then
The energy gradually short serious situation will be faced by spending decades.In order to cope with the crisis situation of fossil fuel critical shortage, need
Energy consumption structure is altered in steps, Devoting Major Efforts To Developing realizes the energy/electric power using solar energy, wind energy as the renewable energy of representative
The sustainable development path of supply.Although the solar energy of China in Recent Years, wind energy installed capacity are grown rapidly, from statistics
Statistics indicate that：Chinese current traditional thermoelectricity installation ratio is still up to 64% or so, and power generation ratio is more up to 71% (2016),
This online for allowing for renewable energy power generation is severely limited, so that a high proportion of abandonment occur abandons optical phenomenon.
At present in power grid, electric energy (suitable load) not only can store but also the dual of (suitable power supply) that can discharge toward power grid
Mainly there is water-storage in the power station of identity；Hydroenergy storage station passes through peak regulation to a certain extent can reduce renewable energy
Light ratio is abandoned in abandonment.But hydroenergy storage station is because taking up a large area, it is long in time limit, and limited by geographical conditions, development also by
Limitation on to a certain extent.Therefore, under existing energy resource structure, for all generated energy of renewable energy are utilized as far as possible
Get up, there is an urgent need to one kind can alleviate the energy-accumulating power station that optical phenomenon is abandoned in abandonment at present.
It is well known that the production, conveying, distribution and consumption of electric energy are actually while carrying out in electric system, it is one
The dynamic supply and demand balance system that a moment completes.In electric system, the power that power plant/power station issues at any time is necessary
Equal to the sum of the power loss in power needed for the moment electrical equipment, conveying and distribution link.
Battery energy storage system has fast response time, control accurately characteristic, while can both charge (quite in power grid
In load) dual identity that can discharge again and (be equivalent to power supply), there is irreplaceable important function.In power grid, battery
Energy storage framework itself cannot generate electricity, and cannot simply consider using it as common generating equipment, as long as its scale is sufficiently large,
It will be one of the high-quality scheduling resource of power grid in view of its dual identity.
Summary of the invention
For overcome the deficiencies in the prior art, the purpose of the present invention is to provide battery energy storage monitoring method and systems, electricity
Pond energy storage framework, it is intended to solve the problems, such as that a high proportion of abandoning optical phenomenon occurs in current renewable energy utilization.
The purpose of the present invention is implemented with the following technical solutions：
A kind of battery energy storage monitoring method, including：
Match photovoltaic step：
The operating mode of scheduling controlling battery energy storage system be matching photovoltaic operating mode, control battery energy storage system according to
The generated output operation for instructing or presetting charge and discharge rule match photovoltaic system, by the generated energy storage of photovoltaic system to electricity
In the energy-storage system of pond, until battery energy storage system is full of；
When battery energy storage system is fully charged and does not reach setting discharge time point, control battery energy storage system enters standby
State discharge until discharging until receiving electric discharge instruction or into discharge time point is preset；
When battery energy storage system is fully charged and still in charging time section, control battery energy storage system enters standby shape
State；
When battery energy storage system be discharged and still in discharge time section when, control battery energy storage system enter standby shape
State；
When photovoltaic system does not generate electricity, control battery energy storage system, which does not fill, not to be put, until preassigning time point and electricity
Battery energy storage system just carries out discharge operation when pond energy-storage system has electricity；
Automatic running step：
The operating mode of scheduling controlling battery energy storage system be automatic running operating mode, control battery energy storage system according to
The charge and discharge rule on preset Monday to Sunday carries out charge or discharge operation；
When in charging time section, control battery energy storage system charges according to charge power is preset until filling
It is full；
When charging finish and still in the charging time section when, control battery energy storage system enter standby mode；
When in discharge time section, control battery energy storage system discharges according to discharge power is preset until putting
It is complete；
When discharge off and still in discharge time section when, control battery energy storage system enter standby mode；
P/Q step：
The operating mode of scheduling controlling battery energy storage system is P/Q operating mode, issues open to battery energy storage system in real time
It moves, cease and desist order, and issue the operation performance number of battery energy storage system, complete the demand response to power grid.
On the basis of the above embodiments, it is preferred that further include：
Obtaining step：
It obtains photovoltaic power generation quantity corresponding with each battery energy storage framework, the electricity that framework is got from power grid and is transported to electricity
The electricity of net；
Obtain environmental data relevant with photovoltaic corresponding with each battery energy storage framework；
Optimization Steps：
The electricity got according to photovoltaic power generation quantity corresponding with each battery energy storage framework, framework from power grid and it is transported to electricity
The electricity of net, environmental data relevant to photovoltaic, optimize charge and discharge rule corresponding with each battery energy storage system.
A kind of battery energy storage monitoring system, including：
Photovoltaic module is matched, is used for：
The operating mode of scheduling controlling battery energy storage system be matching photovoltaic operating mode, control battery energy storage system according to
The generated output operation for instructing or presetting charge and discharge rule match photovoltaic system, by the generated energy storage of photovoltaic system to electricity
In the energy-storage system of pond, until battery energy storage system is full of；
When battery energy storage system is fully charged and does not reach setting discharge time point, control battery energy storage system enters standby
State discharge until discharging until receiving electric discharge instruction or into discharge time point is preset；
When battery energy storage system is fully charged and still in charging time section, control battery energy storage system enters standby shape
State；
When battery energy storage system be discharged and still in discharge time section when, control battery energy storage system enter standby shape
State；
When photovoltaic system does not generate electricity, control battery energy storage system, which does not fill, not to be put, until preassigning time point and electricity
Battery energy storage system just carries out discharge operation when pond energy-storage system has electricity；
Automatic running module, is used for：
The operating mode of scheduling controlling battery energy storage system be automatic running operating mode, control battery energy storage system according to
The charge and discharge rule on preset Monday to Sunday carries out charge or discharge operation；
When in charging time section, control battery energy storage system charges according to charge power is preset until filling
It is full；
When charging finish and still in the charging time section when, control battery energy storage system enter standby mode；
When in discharge time section, control battery energy storage system discharges according to discharge power is preset until putting
It is complete；
When discharge off and still in discharge time section when, control battery energy storage system enter standby mode；
P/Q module, is used for：
The operating mode of scheduling controlling battery energy storage system is P/Q operating mode, issues open to battery energy storage system in real time
It moves, cease and desist order, and issue the operation performance number of battery energy storage system, complete the demand response to power grid.
On the basis of the above embodiments, it is preferred that further include：
Module is obtained, is used for：
It obtains photovoltaic power generation quantity corresponding with each battery energy storage framework, the electricity that framework is got from power grid and is transported to electricity
The electricity of net；
Obtain environmental data relevant with photovoltaic corresponding with each battery energy storage framework；
Optimization module is used for：
The electricity got according to photovoltaic power generation quantity corresponding with each battery energy storage framework, framework from power grid and it is transported to electricity
The electricity of net, environmental data relevant to photovoltaic, optimize charge and discharge rule corresponding with each battery energy storage system.
A kind of battery energy storage framework, including the battery storage in photovoltaic system, battery energy storage system, any of the above-described embodiment
Energy monitoring system, wherein：
Photovoltaic system is connect with battery energy storage system；Photovoltaic system is also connect with power grid；Battery energy storage system also with power grid
Connection；
Battery energy storage monitoring system is connect with photovoltaic system, battery energy storage system respectively；
Photovoltaic system converts the solar into electric energy, delivers the power to power grid, or by power storage to battery energy storage
System；
Battery energy storage system stores electric energy, delivers the power to power grid, and receives electric energy and the storage of power grid conveying.
On the basis of the above embodiments, it is preferred that further include the first ammeter, the second ammeter；
Photovoltaic system, the first ammeter, the second ammeter, power grid are linked in sequence；First ammeter also respectively with battery energy storage system,
The connection of battery energy storage monitoring system；Second ammeter is also connect with battery energy storage monitoring system；
The electric energy of photovoltaic system output enters power grid by the first ammeter, the second ammeter, alternatively, the electricity of photovoltaic system output
Battery energy storage system can be entered by the first ammeter；Battery energy storage system conveys electric energy to power grid by the second ammeter, also receives
Power grid passes through the electric energy of the second ammeter conveying；
The photovoltaic power generation quantity of first ammeter metering photovoltaic system is simultaneously sent to battery energy storage monitoring system；
The electricity and be transported to the electricity of power grid and be sent to battery energy storage monitoring system that the metering of second ammeter is got from power grid
System.
On the basis of the above embodiments, it is preferred that further include the first transformer, the second transformer；
First transformer is set between photovoltaic system and the first ammeter；
Second transformer is set between battery energy storage system and the second ammeter；Second transformer also connects with the first ammeter
It connects；
The electric energy of photovoltaic system output enters the first ammeter by the first transformer；
The electric energy of battery energy storage system output enters power grid by the second transformer；And receive photovoltaic system or power grid warp
Cross the electric energy of the second transformer conveying.
On the basis of the above embodiments, it is preferred that further include connect respectively with battery energy storage monitoring system first after
Electric protection system, the second relay protection system, third relay protection system；
First relay protection system is set between photovoltaic system and the first transformer；First relay protection system monitors light
The power generation process of volt system, and battery energy storage monitoring system is sent by monitoring result；
Second relay protection system is set between battery energy storage system and the second transformer；Second relay protection system prison
The charge/discharge process of battery energy storage system is surveyed, and sends battery energy storage monitoring system for monitoring result；
Third relay protection system is set between the first ammeter and the second ammeter；Third relay protection system is also with second
Transformer connection；Third relay protection system monitors the operating status of the first transformer and the second transformer, and by monitoring result
It is sent to battery energy storage monitoring system.
On the basis of the above embodiments, it is preferred that further include the acquisition system being connect with monitoring system；
Acquisition system acquires environmental data relevant to photovoltaic and is sent to battery energy storage monitoring system.
Compared with prior art, the beneficial effects of the present invention are：
The invention discloses battery energy storage monitoring method and system, battery energy storage framework, in the framework, photovoltaic system will too
Sun can be converted to electric energy, deliver the power to power grid, or by power storage to battery energy storage system；Battery energy storage system storage
Electric energy delivers the power to power grid, and receives electric energy and the storage of power grid conveying；The photovoltaic of first ammeter metering photovoltaic system
Generated energy；The electricity that the metering of second ammeter is got from power grid and the electricity for being transported to power grid；Monitoring system monitoring photovoltaic power generation quantity,
Electricity that framework is got from power grid and the electricity for being transported to power grid, monitoring photovoltaic system, battery energy storage system, the first transformer,
The operation conditions of second transformer, and battery energy storage system is scheduled.The present invention passes through different under different working modes
Charge and discharge rule, the charge/discharge operation for battery energy storage system of making rational planning for fully ensures that the service performance of battery energy storage system
And service life；When power grid does not receive the generated energy online of photovoltaic plant, all generated energy of photovoltaic plant can be stored
Into battery energy storage framework, is then allowing to be sent to power grid supply load center in the period surfed the Internet, reducing and abandon optical phenomenon, most
Big degree utilizes solar power generation.All generated energy of renewable energy power generation can be sent to power grid as far as possible by the present invention,
And the abundant area of electricity needs is reached, the equilibrium of supply and demand is realized to the greatest extent, while gradually decreasing with fossil fuel is main electricity
The energy resource structure in power source.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 shows a kind of flow diagram of battery energy storage monitoring method provided in an embodiment of the present invention；
Fig. 2 shows a kind of structural schematic diagrams of battery energy storage monitoring system provided in an embodiment of the present invention；
Fig. 3 shows a kind of structural schematic diagram of battery energy storage framework provided in an embodiment of the present invention.
Specific embodiment
In the following, being described further in conjunction with attached drawing and specific embodiment to the present invention, it should be noted that not
Under the premise of conflicting, new implementation can be formed between various embodiments described below or between each technical characteristic in any combination
Example.
Specific embodiment one
As shown in Figure 1, the embodiment of the invention provides a kind of battery energy storage monitoring methods, including：
Match photovoltaic step S101：
The operating mode of scheduling controlling battery energy storage system be matching photovoltaic operating mode, control battery energy storage system according to
The generated output operation for instructing or presetting charge and discharge rule match photovoltaic system, by the generated energy storage of photovoltaic system to electricity
In the energy-storage system of pond, until battery energy storage system is full of；
When battery energy storage system is fully charged and does not reach setting discharge time point, control battery energy storage system enters standby
State discharge until discharging until receiving electric discharge instruction or into discharge time point is preset；
When battery energy storage system is fully charged and still in charging time section, control battery energy storage system enters standby shape
State；
When battery energy storage system be discharged and still in discharge time section when, control battery energy storage system enter standby shape
State；
When photovoltaic system does not generate electricity, control battery energy storage system, which does not fill, not to be put, until preassigning time point and electricity
Battery energy storage system just carries out discharge operation when pond energy-storage system has electricity；
Automatic running step S102：
The operating mode of scheduling controlling battery energy storage system be automatic running operating mode, control battery energy storage system according to
The charge and discharge rule on preset Monday to Sunday carries out charge or discharge operation；
When in charging time section, control battery energy storage system charges according to charge power is preset until filling
It is full；
When charging finish and still in the charging time section when, control battery energy storage system enter standby mode；
When in discharge time section, control battery energy storage system discharges according to discharge power is preset until putting
It is complete；
When discharge off and still in discharge time section when, control battery energy storage system enter standby mode；
P/Q step S103：
The operating mode of scheduling controlling battery energy storage system is P/Q operating mode, issues open to battery energy storage system in real time
It moves, cease and desist order, and issue the operation performance number of battery energy storage system, complete the demand response to power grid.
The embodiment of the present invention passes through charge and discharge rule different under different working modes, battery energy storage system of making rational planning for
Charge/discharge operation fully ensures that the service performance and service life of battery energy storage system；The hair of photovoltaic plant is not received in power grid
Electricity surf the Internet when, can by all generated energy of photovoltaic plant store into battery energy storage framework, then allow surf the Internet when
Between power grid supply load center is sent in section, reduce and abandon optical phenomenon, utmostly utilize solar power generation.The embodiment of the present invention is most
All generated energy of renewable energy power generation power grid be may can be sent to, and the abundant area of electricity needs, maximum journey reached
The realization equilibrium of supply and demand of degree, while gradually decreasing the energy resource structure using fossil fuel as main power source.
Preferably, the embodiment of the present invention can also include：Obtaining step：Obtain light corresponding with each battery energy storage framework
Lie prostrate generated energy, the electricity that framework is got from power grid and the electricity for being transported to power grid；It obtains corresponding with each battery energy storage framework
Environmental data relevant to photovoltaic；Optimization Steps：According to photovoltaic power generation quantity corresponding with each battery energy storage framework, framework from electricity
The electricity and be transported to the electricity of power grid, environmental data relevant to photovoltaic that net is got, to corresponding to each battery energy storage system
Charge and discharge rule optimize.The advantage of doing so is that can be by the feedback data in practical application, to using the monitoring
The control parameter of the monitoring system of method is modified, and guarantees the service performance and service life of battery energy storage system.
Specific embodiment two
As shown in Fig. 2, the embodiment of the invention provides a kind of battery energy storage monitoring systems, including：
Photovoltaic module 201 is matched, is used for：
The operating mode of scheduling controlling battery energy storage system be matching photovoltaic operating mode, control battery energy storage system according to
The generated output operation for instructing or presetting charge and discharge rule match photovoltaic system, by the generated energy storage of photovoltaic system to electricity
In the energy-storage system of pond, until battery energy storage system is full of；
When battery energy storage system is fully charged and does not reach setting discharge time point, control battery energy storage system enters standby
State discharge until discharging until receiving electric discharge instruction or into discharge time point is preset；
When battery energy storage system is fully charged and still in charging time section, control battery energy storage system enters standby shape
State；
When battery energy storage system be discharged and still in discharge time section when, control battery energy storage system enter standby shape
State；
When photovoltaic system does not generate electricity, control battery energy storage system, which does not fill, not to be put, until preassigning time point and electricity
Battery energy storage system just carries out discharge operation when pond energy-storage system has electricity；
Automatic running module 202, is used for：
The operating mode of scheduling controlling battery energy storage system be automatic running operating mode, control battery energy storage system according to
The charge and discharge rule on preset Monday to Sunday carries out charge or discharge operation；
When in charging time section, control battery energy storage system charges according to charge power is preset until filling
It is full；
When charging finish and still in the charging time section when, control battery energy storage system enter standby mode；
When in discharge time section, control battery energy storage system discharges according to discharge power is preset until putting
It is complete；
When discharge off and still in discharge time section when, control battery energy storage system enter standby mode；
P/Q module 203, is used for：
The operating mode of scheduling controlling battery energy storage system is P/Q operating mode, issues open to battery energy storage system in real time
It moves, cease and desist order, and issue the operation performance number of battery energy storage system, complete the demand response to power grid.
The embodiment of the present invention passes through charge and discharge rule different under different working modes, battery energy storage system of making rational planning for
Charge/discharge operation fully ensures that the service performance and service life of battery energy storage system；The hair of photovoltaic plant is not received in power grid
Electricity surf the Internet when, can by all generated energy of photovoltaic plant store into battery energy storage framework, then allow surf the Internet when
Between power grid supply load center is sent in section, reduce and abandon optical phenomenon, utmostly utilize solar power generation.The embodiment of the present invention is most
All generated energy of renewable energy power generation power grid be may can be sent to, and the abundant area of electricity needs, maximum journey reached
The realization equilibrium of supply and demand of degree, while gradually decreasing the energy resource structure using fossil fuel as main power source.
Preferably, the embodiment of the present invention can also include：Module is obtained, is used for：It obtains and each battery energy storage framework phase
Electricity that photovoltaic power generation quantity, the framework answered are got from power grid and the electricity for being transported to power grid；It obtains and each battery energy storage framework
Environmental data relevant to photovoltaic accordingly；Optimization module is used for：According to photovoltaic power generation corresponding with each battery energy storage framework
The electricity and be transported to the electricity of power grid, environmental data relevant to photovoltaic that amount, framework are got from power grid are stored up to each battery
The energy corresponding charge and discharge rule of system optimizes.The advantage of doing so is that can be right by the feedback data in practical application
It is modified using the control parameter of the monitoring system of the monitoring method, guarantees the service performance of battery energy storage system and uses the longevity
Life.
Specific embodiment three
As shown in figure 3, the embodiment of the invention provides a kind of battery energy storage framework, including photovoltaic system, battery energy storage system
Battery energy storage monitoring system in system, specific embodiment two, wherein：
Photovoltaic system is connect with battery energy storage system；Photovoltaic system is also connect with power grid；Battery energy storage system also with power grid
Connection；
Battery energy storage monitoring system is connect with photovoltaic system, battery energy storage system respectively；
Photovoltaic system converts the solar into electric energy, delivers the power to power grid, or by power storage to battery energy storage
System；
Battery energy storage system stores electric energy, delivers the power to power grid, and receives electric energy and the storage of power grid conveying.
Photovoltaic system is electricity generation system, converts solar energy into electric energy, is directly transported to load center by power grid, or
It stores battery energy storage system and send in right times to power grid.Battery energy storage framework store electric energy, in due course between send to electricity
Net realizes time and the space transfer of electric energy.Power grid is electric system hinge, receives all generated energy of Generation Side and is transported to
Load center realizes power transmission, the equilibrium of supply and demand of power generation and electricity consumption.The embodiment of the present invention passes through different under different working modes
Charge and discharge rule, the charge/discharge operation for battery energy storage system of making rational planning for fully ensures that the service performance of battery energy storage system
And service life；When power grid does not receive the generated energy online of photovoltaic plant, all generated energy of photovoltaic plant can be stored
Into battery energy storage framework, is then allowing to be sent to power grid supply load center in the period surfed the Internet, reducing and abandon optical phenomenon, most
Big degree utilizes solar power generation.All generated energy of renewable energy power generation can be sent to by the embodiment of the present invention as far as possible
Power grid, and the abundant area of electricity needs is reached, the equilibrium of supply and demand is realized to the greatest extent, while being gradually decreased based on fossil fuel
Want the energy resource structure of power source.
Preferably, the embodiment of the present invention can also include the first ammeter, the second ammeter；Photovoltaic system, the first ammeter, second
Ammeter, power grid are linked in sequence；First ammeter is also connect with battery energy storage system, battery energy storage monitoring system respectively；Second ammeter
Also it is connect with battery energy storage monitoring system；The electric energy of photovoltaic system output enters power grid by the first ammeter, the second ammeter, or
The electric energy of person, photovoltaic system output enter battery energy storage system by the first ammeter；Battery energy storage system by the second ammeter to
Power grid conveys electric energy, and also reception power grid passes through the electric energy that the second ammeter conveys；The photovoltaic power generation of first ammeter metering photovoltaic system
It measures and is sent to battery energy storage monitoring system；The electricity that the metering of second ammeter is got from power grid and the electricity for being transported to power grid are concurrent
It is sent to battery energy storage monitoring system.First ammeter measures the photovoltaic power generation quantity of photovoltaic system, and communicates with battery energy storage system, real
Existing photovoltaic power generation quantity is filled with battery energy storage system, reduces and abandons light ratio；The second ammeter electricity got from power grid of metering and defeated
The electricity being sent on power grid.The advantage of doing so is that monitoring photovoltaic power generation quantity by the first ammeter, the second ammeter, being taken from power grid
To electricity and be transported to the electricity of power grid.
Preferably, the embodiment of the present invention can also include the first transformer, the second transformer；First transformer is set to light
Between volt system and the first ammeter；Second transformer is set between battery energy storage system and the second ammeter；Second transformer is also
It is connect with the first ammeter；The electric energy of photovoltaic system output enters the first ammeter by the first transformer；Battery energy storage system output
Electric energy enter power grid by the second transformer；And receive the electric energy of photovoltaic system or power grid by the conveying of the second transformer.
The advantage of doing so is that photovoltaic system is connect by the first transformer with power grid, the electric energy that photovoltaic system issues is boosted to properly
It is sent into power grid after voltage, or electric energy is filled with battery energy storage system；Battery energy storage system is connect by the second transformer with power grid,
It is sent into power grid after the 0.4kV low tension that energy storage issues is boosted to suitable voltage by transformer, high-voltage electricity can also be depressured
To suitable low tension and it is filled with battery energy storage system.
Preferably, the embodiment of the present invention can also include the first relay protection connecting respectively with battery energy storage monitoring system
System, the second relay protection system, third relay protection system；First relay protection system is set to photovoltaic system and first and becomes
Between depressor；First relay protection system monitors the power generation process of photovoltaic system, and sends battery energy storage prison for monitoring result
Control system；Second relay protection system is set between battery energy storage system and the second transformer；Second relay protection system prison
The charge/discharge process of battery energy storage system is surveyed, and sends battery energy storage monitoring system for monitoring result；Third relay protection
System is set between the first ammeter and the second ammeter；Third relay protection system is also connect with the second transformer；Third relay
The operating status of system monitoring the first transformer and the second transformer is protected, and sends battery energy storage monitoring system for monitoring result
System.First relay protection system, the second relay protection system, third relay protection system all can be switching devices, breaker
Or one of arrester.The advantage of doing so is that the first relay protection system guarantees photovoltaic system in power generation process to setting
Standby and personal safety plays a protective role；Second relay protection system guarantees that battery energy storage system is right in charge/discharge process
Equipment and personal safety play a protective role；Third relay protection system has the function of protection the first transformer and the second transformer
Can, it plays a protective role during photovoltaic system, battery energy storage system work to equipment and personal safety.
Preferably, the embodiment of the present invention can also include the acquisition system connecting with monitoring system；Acquisition system acquisition with
The relevant environmental data of photovoltaic is simultaneously sent to battery energy storage monitoring system.The advantage of doing so is that can be in monitoring system
Control parameter optimizes, and keeps monitoring more reasonable.
The embodiment of the present invention to the operating mode of battery energy storage system without limitation, it is preferred that battery energy storage monitoring system
Three kinds of operating modes can be set for battery energy storage system：Match photovoltaic operating mode, automatic running operating mode, P/Q work
Mode：
1, photovoltaic operating mode is matched
Monitoring system scheduling controlling battery energy storage system work under the current model, according to the instruction of monitoring system or pre-
First setting charge and discharge rule, matches the generated output operation of photovoltaic system, and the generated energy as much as possible photovoltaic system stores
Into battery energy storage system, until battery energy storage system is full of.When battery energy storage system does not reach setting discharge time point also,
Into standby mode, until monitoring system issues electric discharge instruction or discharge until putting into discharge time point is preset
It is complete.
When battery energy storage system is fully charged and still in the charging time section, into standby mode；When battery energy storage system is put
It is complete electricity and still in discharge time section, into standby mode.
When photovoltaic system does not generate electricity, battery energy storage system, which does not fill then, not to be put, until preassigning electricity when time point
Pond energy-storage system just carries out discharge operation (battery energy storage system has in electric situation).
2, automatic running operating mode
Monitoring system scheduling controlling battery energy storage system is working under the current model, according to presetting for monitoring system
Monday to Sunday charge and discharge rule carry out charge or discharge operation.
When in charging time section, battery energy storage system charges according to charge power is preset until being full of；
When charging finish and still in the charging time section when, battery energy storage system enters standby mode.
When in discharge time section, battery energy storage system discharges according to discharge power is preset until discharging；
When discharge off and still in discharge time section when, battery energy storage system enters standby mode.
The power generation of photovoltaic system will not be scheduled in this operating mode.
3, P/Q operating mode
Monitoring system scheduling controlling battery energy storage system is working under the current model, by monitoring system in real time to battery
Energy-storage system issues starting, ceases and desist order, and issues the operation performance number of battery energy storage system, completes to ring power grid demand
It answers, such as the application such as frequency modulation, peak regulation.A kind of most flexible scheduling mode of P/Q operating mode, 1 real-time response of battery energy storage system
The instruction of monitoring system 11 meets power grid actual demand instantly, and to " matching photovoltaic operating mode " and " automatic running work
A kind of supplement of operation mode " allows battery energy storage framework provided by the invention to cope with power grid demand response or interim burst
Event is switched to proper operation state and meets network operation environmental requirement.
The present invention is from using in purpose, and in efficiency, the viewpoints such as progressive and novelty are illustrated, the practical progress having
Property, oneself meets the function that Patent Law is emphasized and promotes and use important document, and more than the present invention explanation and attached drawing are only of the invention
Preferred embodiment and oneself, the present invention is not limited to this, therefore, it is all constructed with the present invention, device, wait the approximations, thunder such as levy
With, i.e., all according to equivalent replacement made by present patent application range or modification etc., the patent application that should all belong to of the invention is protected
Within the scope of shield.
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.Although present invention has been a degree of descriptions, it will be apparent that, in the item for not departing from the spirit and scope of the present invention
Under part, the appropriate variation of each condition can be carried out.It is appreciated that the present invention is not limited to the embodiments, and it is attributed to right and wants
The range asked comprising the equivalent replacement of each factor.It will be apparent to those skilled in the art that can as described above
Various other corresponding changes and deformation are made in technical solution and design, and all these change and deformation is all answered
Within this is belonged to the protection scope of the claims of the invention.
Claims (9)
1. a kind of battery energy storage monitoring method, which is characterized in that including：
Match photovoltaic step：
The operating mode of scheduling controlling battery energy storage system is matching photovoltaic operating mode, controls battery energy storage system according to instruction
Or the generated output operation of charge and discharge rule match photovoltaic system is preset, the generated energy storage of photovoltaic system is stored up to battery
In energy system, until battery energy storage system is full of；
When battery energy storage system is fully charged and does not reach setting discharge time point, control battery energy storage system enters standby shape
State discharge until discharging until receiving electric discharge instruction or into discharge time point is preset；
When battery energy storage system is fully charged and still in charging time section, control battery energy storage system enters standby mode；
When battery energy storage system be discharged and still in discharge time section when, control battery energy storage system enter standby mode；
When photovoltaic system does not generate electricity, control battery energy storage system, which does not fill, not to be put, until preassigning time point and battery storage
Battery energy storage system just carries out discharge operation when energy system has electricity；
Automatic running step：
The operating mode of scheduling controlling battery energy storage system is automatic running operating mode, controls battery energy storage system according to preparatory
The charge and discharge rule on the Monday of setting to Sunday carries out charge or discharge operation；
When in charging time section, control battery energy storage system charges according to charge power is preset until being full of；
When charging finish and still in the charging time section when, control battery energy storage system enter standby mode；
When in discharge time section, control battery energy storage system discharges according to discharge power is preset until discharging；
When discharge off and still in discharge time section when, control battery energy storage system enter standby mode；
P/Q step：
The operating mode of scheduling controlling battery energy storage system is P/Q operating mode, issues starting to battery energy storage system in real time, stops
It only orders, and issues the operation performance number of battery energy storage system, complete the demand response to power grid.
2. battery energy storage monitoring method according to claim 1, which is characterized in that further include：
Obtaining step：
It obtains photovoltaic power generation quantity corresponding with each battery energy storage framework, the electricity that framework is got from power grid and is transported to power grid
Electricity；
Obtain environmental data relevant with photovoltaic corresponding with each battery energy storage framework；
Optimization Steps：
The electricity got according to photovoltaic power generation quantity corresponding with each battery energy storage framework, framework from power grid and it is transported to power grid
Electricity, environmental data relevant to photovoltaic, optimize charge and discharge rule corresponding with each battery energy storage system.
3. a kind of battery energy storage monitoring system, which is characterized in that including：
Photovoltaic module is matched, is used for：
The operating mode of scheduling controlling battery energy storage system is matching photovoltaic operating mode, controls battery energy storage system according to instruction
Or the generated output operation of charge and discharge rule match photovoltaic system is preset, the generated energy storage of photovoltaic system is stored up to battery
In energy system, until battery energy storage system is full of；
When battery energy storage system is fully charged and does not reach setting discharge time point, control battery energy storage system enters standby shape
State discharge until discharging until receiving electric discharge instruction or into discharge time point is preset；
When battery energy storage system is fully charged and still in charging time section, control battery energy storage system enters standby mode；
When battery energy storage system be discharged and still in discharge time section when, control battery energy storage system enter standby mode；
When photovoltaic system does not generate electricity, control battery energy storage system, which does not fill, not to be put, until preassigning time point and battery storage
Battery energy storage system just carries out discharge operation when energy system has electricity；
Automatic running module, is used for：
The operating mode of scheduling controlling battery energy storage system is automatic running operating mode, controls battery energy storage system according to preparatory
The charge and discharge rule on the Monday of setting to Sunday carries out charge or discharge operation；
When in charging time section, control battery energy storage system charges according to charge power is preset until being full of；
When charging finish and still in the charging time section when, control battery energy storage system enter standby mode；
When in discharge time section, control battery energy storage system discharges according to discharge power is preset until discharging；
When discharge off and still in discharge time section when, control battery energy storage system enter standby mode；
P/Q module, is used for：
The operating mode of scheduling controlling battery energy storage system is P/Q operating mode, issues starting to battery energy storage system in real time, stops
It only orders, and issues the operation performance number of battery energy storage system, complete the demand response to power grid.
4. battery energy storage monitoring system according to claim 3, which is characterized in that further include：
Module is obtained, is used for：
It obtains photovoltaic power generation quantity corresponding with each battery energy storage framework, the electricity that framework is got from power grid and is transported to power grid
Electricity；
Obtain environmental data relevant with photovoltaic corresponding with each battery energy storage framework；
Optimization module is used for：
The electricity got according to photovoltaic power generation quantity corresponding with each battery energy storage framework, framework from power grid and it is transported to power grid
Electricity, environmental data relevant to photovoltaic, optimize charge and discharge rule corresponding with each battery energy storage system.
5. a kind of battery energy storage framework, which is characterized in that including described in photovoltaic system, battery energy storage system, claim 3 or 4
Battery energy storage monitoring system, wherein：
Photovoltaic system is connect with battery energy storage system；Photovoltaic system is also connect with power grid；Battery energy storage system is also connect with power grid；
Battery energy storage monitoring system is connect with photovoltaic system, battery energy storage system respectively；
Photovoltaic system converts the solar into electric energy, delivers the power to power grid, or by power storage to battery energy storage system；
Battery energy storage system stores electric energy, delivers the power to power grid, and receives electric energy and the storage of power grid conveying.
6. battery energy storage framework according to claim 5, which is characterized in that further include the first ammeter, the second ammeter；
Photovoltaic system, the first ammeter, the second ammeter, power grid are linked in sequence；First ammeter also respectively with battery energy storage system, battery
Energy storage monitor system connection；Second ammeter is also connect with battery energy storage monitoring system；
The electric energy of photovoltaic system output enters power grid by the first ammeter, the second ammeter, alternatively, the electric energy warp of photovoltaic system output
It crosses the first ammeter and enters battery energy storage system；Battery energy storage system conveys electric energy to power grid by the second ammeter, also reception power grid
The electric energy conveyed by the second ammeter；
The photovoltaic power generation quantity of first ammeter metering photovoltaic system is simultaneously sent to battery energy storage monitoring system；
The electricity and be transported to the electricity of power grid and be sent to battery energy storage monitoring system that the metering of second ammeter is got from power grid.
7. battery energy storage framework according to claim 6, which is characterized in that further include the first transformer, the second transformer；
First transformer is set between photovoltaic system and the first ammeter；
Second transformer is set between battery energy storage system and the second ammeter；Second transformer is also connect with the first ammeter；
The electric energy of photovoltaic system output enters the first ammeter by the first transformer；
The electric energy of battery energy storage system output enters power grid by the second transformer；And photovoltaic system or power grid are received by the
The electric energy of two transformers conveying.
8. battery energy storage framework according to claim 7, which is characterized in that further include respectively with battery energy storage monitoring system
The first relay protection system, the second relay protection system, third relay protection system of connection；
First relay protection system is set between photovoltaic system and the first transformer；First relay protection system monitors photovoltaic system
The power generation process of system, and battery energy storage monitoring system is sent by monitoring result；
Second relay protection system is set between battery energy storage system and the second transformer；Second relay protection system monitoring electricity
The charge/discharge process of pond energy-storage system, and battery energy storage monitoring system is sent by monitoring result；
Third relay protection system is set between the first ammeter and the second ammeter；Third relay protection system also with the second transformation
Device connection；Third relay protection system monitors the operating status of the first transformer and the second transformer, and monitoring result is sent
To battery energy storage monitoring system.
9. battery energy storage framework according to claim 8, which is characterized in that further include the acquisition system being connect with monitoring system
System；
Acquisition system acquires environmental data relevant to photovoltaic and is sent to battery energy storage monitoring system.
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| CN115622100A (en) * | 2022-05-12 | 2023-01-17 | 深圳市海雷新能源有限公司 | Enterprise power distribution monitoring system and method using photovoltaic energy storage battery |
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