CN108053112A - A kind of method and system of energy-storage system planning - Google Patents
A kind of method and system of energy-storage system planning Download PDFInfo
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Abstract
The present invention is suitable for technical field of energy storage, provides a kind of method and system of energy-storage system planning, including：Related data curve is obtained, generates result of spectrum analysis；Energy storage control strategy is selected according to result of spectrum analysis and carries out stored energy capacitance optimization calculating, stored energy capacitance and power capacity after generation optimization；According to stored energy capacitance and power capacity, energy storage original scheme and index of correlation are generated；It obtains a variety of energy storage inverters and carries out energy consumption analysis respectively, generate energy storage inverter energy consumption analysis result；Connection in series-parallel design is carried out to a variety of energy storage inverters, a variety of alternatives is generated, a variety of alternatives is assessed, assessment result is generated, and final design scheme is selected from a variety of alternatives according to assessment result.The present invention obtains final energy design scheme by obtaining the different related datas of different application scene to the corresponding planning of energy-storage system progress, improves the power supply reliability of power distribution network, optimizes the resource distribution of power distribution network, improve power quality.
Description
Technical field
The invention belongs to the method and system that technical field of energy storage more particularly to a kind of energy-storage system are planned.
Background technology
With rapid development of economy, power load increasingly increases, power distribution network existing equipment capacity can not meet demand, and
The peak-valley difference of load also gradually aggravates, and causes the utilization rate of Distribution Network Equipment to reduce, and cost of investment is caused to increase.It is and more and more
High-tech, Digital Enterprise etc. higher requirement is proposed to power supply reliability and power quality.
At present, various impact loads, nonlinear-load and out-of-balance load are likely to result in the electric energy matter of power distribution network
Amount problem leads to problems such as the appearance of higher hamonic wave, voltage flicker, Voltage Drop.The frequency modulation demand of system is more and more urgent, passes
The variable frequency power source response speed of system is slow, and voltage fluctuation is big, cannot increasingly meet requirement of the user to power quality.
The content of the invention
In view of this, an embodiment of the present invention provides a kind of method and system of energy-storage system planning, to solve existing skill
The problem of frequency modulation response speed of system is slow in art, and power quality is poor.
The first aspect of the embodiment of the present invention provides a kind of method of energy-storage system planning, and wherein energy-storage system includes storage
Energy device and energy storage inverter, the method for energy-storage system planning are applied to server, including：
Related data curve is obtained, related data curve includes regenerative resource output power curve, plan power generation target
Curve and load curve
Spectrum analysis is carried out to related data curve, generates the result of spectrum analysis of related data curve.
According to result of spectrum analysis, select energy storage control strategy and carry out stored energy capacitance optimization calculating, after generation optimization
Stored energy capacitance and power capacity.
According to the stored energy capacitance and power capacity after optimization, energy storage original scheme and index of correlation are generated.
A variety of energy storage inverters are obtained, a variety of energy storage inverters are carried out with energy consumption analysis respectively, generate energy storage inverter energy
Consumption analysis result.
According to energy storage inverter energy consumption analysis as a result, a variety of energy storage inverters are carried out with connection in series-parallel design, generation is a variety of standby
Select scheme.
A variety of alternatives are assessed, assessment result is generated, and is selected according to assessment result from a variety of alternatives
Select final design scheme.
The second aspect of the embodiment of the present invention provides a kind of system of energy-storage system planning, and energy-storage system is filled including energy storage
It puts and energy storage inverter, a kind of system of energy-storage system planning includes：
Related data curve acquisition module, for obtaining related data curve, related data curve includes regenerative resource
Output power curve, plan power generation aim curve and load curve.
Result of spectrum analysis generation module for carrying out spectrum analysis to related data curve, generates related data curve
Result of spectrum analysis.
Optimum results generation module, for according to result of spectrum analysis, selecting energy storage control strategy and carrying out stored energy capacitance
Optimization calculates, stored energy capacitance and power capacity after generation optimization.
Original scheme generation module, for according to the stored energy capacitance and power capacity after optimization, generating energy storage original scheme
And index of correlation.
Energy storage inverter energy consumption analysis result-generation module, for obtaining a variety of energy storage inverters, to a variety of energy storage inversions
Device carries out energy consumption analysis respectively, generates energy storage inverter energy consumption analysis result.
Alternative generation module, for according to energy storage inverter energy consumption analysis as a result, to a variety of energy storage inverters carry out
Connection in series-parallel designs, and generates a variety of alternatives.
Final design schemes generation module for assessing a variety of alternatives, generates assessment result, and according to commenting
Estimate result and final design scheme is selected from a variety of alternatives.
The third aspect of the embodiment of the present invention provides a kind of server, including memory, processor and is stored in institute
The computer program that can be run in memory and on the processor is stated, the processor performs real during the computer program
Now the step of method of energy-storage system planning as described above.
The fourth aspect of the embodiment of the present invention provides a kind of computer readable storage medium, the computer-readable storage
Media storage has computer program, and the computer program realizes the side of energy-storage system planning as described above when being executed by processor
The step of method.
Existing advantageous effect is the embodiment of the present invention compared with prior art：The present invention is by obtaining related data song
Line carries out spectrum analysis to related data curve, generates the result of spectrum analysis of related data curve；According to result of spectrum analysis
Selection energy storage control strategy simultaneously carries out stored energy capacitance optimization calculating, stored energy capacitance and power capacity after generation optimization；According to excellent
Stored energy capacitance and power capacity after change generate energy storage original scheme and index of correlation；A variety of energy storage inverters are obtained, to a variety of
Energy storage inverter carries out energy consumption analysis respectively, generates energy storage inverter energy consumption analysis result；According to energy storage inverter energy consumption analysis
As a result, carrying out connection in series-parallel design to a variety of energy storage inverters, a variety of alternatives are generated.A variety of alternatives are assessed,
Assessment result is generated, and final design scheme is selected from a variety of alternatives according to assessment result.The present invention is by obtaining not
Different related datas with application scenarios plan energy-storage system accordingly, improve the power supply reliability of power distribution network, excellent
Change the resource distribution of power distribution network, improve power quality.
Description of the drawings
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description be only the present invention some
Embodiment, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 shows the structure diagram of distribution network system provided by one embodiment of the present invention；
Fig. 2 is a kind of realization flow diagram of the method for energy-storage system planning provided in an embodiment of the present invention；
Fig. 3 is the concrete implementation flow diagram of step S101 in Fig. 2；
Fig. 4 is the concrete implementation flow diagram of step S103 in Fig. 2；
Fig. 5 is the concrete implementation flow diagram of step S104 in Fig. 2；
Fig. 6 is the concrete implementation flow diagram of step S107 in Fig. 2；
Fig. 7 is a kind of structure diagram of the system of energy-storage system planning provided in an embodiment of the present invention；
Fig. 8 is the structure diagram of optimum results generation module in Fig. 7；
Fig. 9 is the schematic diagram of server provided in an embodiment of the present invention.
Specific embodiment
In being described below, in order to illustrate rather than in order to limit, it is proposed that such as tool of particular system structure, technology etc
Body details, to understand thoroughly the embodiment of the present invention.However, it will be clear to one skilled in the art that there is no these specifically
The present invention can also be realized in the other embodiments of details.In other situations, omit to well-known system, device, electricity
Road and the detailed description of method, in case unnecessary details interferes description of the invention.
Term " comprising " and their any deformations in description and claims of this specification and above-mentioned attached drawing, meaning
Figure is to cover non-exclusive include.Such as process, method or system comprising series of steps or unit, product or equipment do not have
The step of having listed or unit are defined in, but optionally further includes the step of not listing or unit or optionally also wraps
It includes for the intrinsic other steps of these processes, method, product or equipment or unit.In addition, term " first ", " second " and
" 3rd " etc. is for distinguishing different objects, not for description particular order.
In order to illustrate technical solutions according to the invention, illustrated below by specific embodiment.
Embodiment 1：
Fig. 1 shows that the energy-storage system that one embodiment of the present of invention provides applies the structural frames in distribution network system 1
Figure；Distribution network system 1 mainly includes generating set 11, energy-storage system 12 and station service 13, and energy-storage system 12 includes energy storage device
121 and energy storage inverter 122.
In the present embodiment, station service 13 is connected with station-service Working transformer, station-service Working transformer respectively with generator
Group 11 is connected with energy storage supply transformer, and energy storage supply transformer is connected with energy storage inverter 122, energy storage inverter 122 and storage
Energy device 121 connects.
In the present embodiment, energy storage inverter 122 is a kind of suitable intelligent grid construction, is applied in energy storage link, with double
To the grid-connected converter that inversion is basic characteristics.Energy storage inverter 122 is the change-over switch of energy storage device 12 and station service 13, is led to
The state transition for crossing energy storage inverter 122 changes power flow.
In the present embodiment, power distribution network power supply can be improved reliably by adding in energy-storage system 12 in distribution network system 1
Property and power quality, moreover it is possible to optimize power distribution network resource distribution, improve the utilization rate of power distribution network.
Fig. 2 shows a kind of realization flow of the method for energy-storage system planning that one embodiment of the present of invention provides, this
The flow executive agent of embodiment can be server, and details are as follows for process：
Step S101：Related data curve is obtained, related data curve includes regenerative resource output power curve, plan
Generate electricity aim curve and load curve.
In the present embodiment, the energy-storage system of power distribution network is met, it is necessary to obtain matching somebody with somebody for energy-storage system to be accessed to design
The related data of power grid, wherein regenerative resource output power curve include photovoltaic generation output power curve and wind speed power generation is defeated
Go out power curve.
In the present embodiment, the specific embodiment of the method in step S101 is as shown in figure 3, particular content includes：
Step S201：Related data is obtained, the related data includes regenerative resource output power data, plan power generation
Target data and load data.
Step S202：Related data into Correlation series is calculated, generates related data curve.
In the present embodiment, by obtaining related data, generated according to the monthly average evidence and related coefficient of related data
The related data curve of annual hour grade, wherein, for load data, according to the load data of typical day, consider seasonal add
Enter random fluctuation, be finally extended to annual load data.
Step S102：Spectrum analysis is carried out to related data curve, generates the result of spectrum analysis of related data curve.
In the present embodiment, spectrum analysis is carried out to the related data of above-mentioned acquisition, specifically included：
In above-mentioned acquisition related data, further include and obtain sector application scene information, according to application scenarios information, will store up
Energy system is divided into different application models, including：Smooth output mode, plan power generation mode, peak load shifting pattern and mixing should
Use pattern.
In the present embodiment, smooth output mode cooperation regenerative resource access, for smooth load fluctuation.Smooth defeated
Go out under pattern, the load fluctuation of regenerative resource is generally divided into short-time rating fluctuation and long term power fluctuation.When energy-storage system is used
When the short-time rating fluctuation of smooth regenerative resource, smoothingtime scale is generally second grade to dozens of minutes grade.When energy storage system
System for smooth regenerative resource it is long when power swing when, energy-storage system be mainly used for compensate regenerative resource power output with
Mismatch between workload demand, time scale are usually dozens of minutes grade to hour grade.
In the present embodiment, it is the schedulable energy or satisfaction to plan power generation mode by intermittent renewable energy conversion
The planned dispatching instruction of load, in the case where planning power generation mode, the dispatching of power netwoks mechanisms at different levels of electric system are according to electricity market
Demand or load prediction arrange generation schedule to the generating equipment in range of management.In known power system load, unit group
The conditions such as conjunction, tie line plan, exchange plan, alternative plan, Unit Economic characteristic and various run-limitings develop specified
Generation schedule of the moment under given load level makes the power generation network minimal of whole system.If according to load condition or
Renewable energy power generation situation, formulated plan power generation aim curve, but due to regenerative resource uncontrollability and
Having a rest property is, it is necessary to which energy-storage system coordinates to complete the aim curve formulated.
In the present embodiment, peak load shifting pattern is independent to load progress peak load shifting with regenerative resource cooperation, is cutting
Under peak load pattern, by the scheduling of Generation Side or electricity consumption side, the sub-load in the peakload period is arranged into low ebb and is born
In the lotus period, peakload, the low ebb load of increase system so as to the system of cutting down improve rate of load condensate.Utilize energy-storage system
Energy stores complete peak load shifting with release.A part of peak load is moved to the low ebb phase in the evening, it is more at night so as to make use of
Remaining electric power has also just achieved the purpose that energy saving.
In the present embodiment, mixing application model is carried out at the same time smooth output and peak load shifting.In the case where mixing application model,
Energy-storage system plays the effect of more than different mode simultaneously.Relatively common is to carry out smoothly output and peak clipping using energy-storage system
Fill valley carries out smoothly the net load of big ups and downs while peak load shifting using energy-storage system.
In the present embodiment, after the application model that energy-storage system is determined by obtaining sector application scene information, according to not
Same application model makes related data different spectrum analyses.
Step S103：According to result of spectrum analysis, select energy storage control strategy and carry out stored energy capacitance optimization calculating, generation
Stored energy capacitance and power capacity after optimization.
In the present embodiment, the specific embodiment of the method in step S103 is as shown in figure 4, particular content includes：
Step S301：According to result of spectrum analysis, the type of selection energy storage control strategy and energy storage device.
In the present embodiment, according to the result of spectrum analysis of above-mentioned selected application model, the type of energy storage device is selected,
Energy storage device is divided into energy type and power-type according to the features such as its response speed, regulating power.Wherein energy type energy storage includes storing
Battery and water-storage, power-type energy storage include super capacitor and superconducting energy storage.It is short for vibration frequency is high, fluctuating range is big
Phase is fluctuated, and should be adjusted using power-type energy storage；It, should for the fluctuation for the long period that period of waves is long, pondage is big
It is adjusted using energy type energy storage；Since the distributed generation resource of regenerative resource has the characteristics of there are two types of fluctuating, also may be used
To carry out coordination control using hybrid energy-storing, common hybrid energy-storing form has different batteries combination, accumulator/super electricity
Appearance, accumulator/superconducting energy storage etc..
In the present embodiment, according to the difference of the application model of energy-storage system, when application model for plan power generation mode and
Energy storage control strategy during peak load shifting pattern is relatively simple.When application model generates electricity for plan, it is defeated to obtain regenerative resource
Go out power curve and plan power generation aim curve, regenerative resource output power curve is subtracted into plan power generation aim curve, is obtained
To plan generation deviation.When it is positive value to plan generation deviation, energy storage charging instruction is generated, when plan generation deviation is negative value
When, generation energy storage electric discharge instruction.
When application model is peak load shifting pattern, regenerative resource output power curve and load curve are obtained, it can
Renewable sources of energy output power curve and load curve superposition, obtain net load curve, and the curve that sets objectives to net load curve,
Net load curve is subtracted into aim curve, obtains the deviation of peak load shifting pattern, when the deviation of peak load shifting pattern is positive value,
Energy storage charging instruction is generated, when the deviation of peak load shifting pattern is negative value, generation energy storage electric discharge instruction.
In the present embodiment, when application model for smooth output mode and mixing application model when, then need using being based on
The energy storage control strategy of DFT (Discrete Fourier Transformation, discrete Fourier transform) algorithm.
When application model is smooth output mode, regenerative resource output power curve is obtained, and to regenerative resource
Output power carries out spectrum analysis；When application model for mixing application model when, obtain regenerative resource output power curve and
Load curve, and regenerative resource output power curve and load curve are superimposed, net load curve is generated, to net load curve
Carry out spectrum analysis.
To above two curve using DFT carry out spectrum analysis, can from frequency domain from fluctuation situation, acquisition frequency spectrum knot
Fruit determines compensation frequency range and the type of energy storage device according to spectrum analysis situation.Then IDFT is carried out to spectrum results
(Inverse Discrete Fourier Transform, inverse discrete fourier transform) converts, and the energy storage obtained in time domain is filled
Discharge power instructs.
Step S302：According to the type of energy storage device, the remaining capacity restrictive condition of energy storage device is set.
In the present embodiment, in the real-time control aspect of energy storage charge and discharge, to avoid the super-charge super-discharge of battery, battery is extended
Service life, energy storage SOC (State of Charge, remaining capacity) should be limited in a rational scope.For the control of energy storage
Using the feedback control based on real-time SOC.The energy storage charge-discharge electric power of future time step-length is referred to according to real-time energy storage SOC sizes
Order is modified, and energy storage SOC is avoided to be rapidly reached the upper limit or lower limit, causes super-charge super-discharge, and can not be in next time step
Work, causes grid power to fluctuate in long.
In the present embodiment, the demand to stored energy capacitance can be reduced using SOC feedback controls.By battery SOC be divided into Smax,
Tetra- threshold values of Sup, Slow, Smin.When actual measurement energy storage SOC is located at [Slow, Sup] section, energy-storage system power instruction is not done
Adjustment；Actual measurement energy storage SOC be located at [Smin, Slow) section and when needing energy storage system discharges, reduce the instruction of energy storage discharge power；
Actual measurement energy storage SOC be located at (Sup, Smax] section and need to energy-storage system charges when, reduce energy storage charge power and instruct.
Step S303：Obtain the probability for meeting annual stored energy capacitance.
In the present embodiment, according to the demand of actual power distribution network electricity, when fully meeting annual stored energy capacitance, probability is
1, it when probability is 0.9, then needs annual stored energy capacitance being multiplied with probability 0.9, obtains the stored energy capacitance that actual needs meets.
Step S304：According to the annual probability of stored energy capacitance and the remaining capacity restrictive condition of energy storage device is met, generate
Stored energy capacitance and power capacity after optimization.
In the present embodiment, instructed according to the energy storage charge-discharge electric power of acquisition, and consider the remaining capacity limit of energy storage device
Condition processed and the probability for meeting annual stored energy capacitance, calculate the total energy of energy-storage system charge and discharge, so that it is determined that energy-storage system
Stored energy capacitance.It is instructed according to stored energy capacitance and energy storage charge-discharge electric power, may thereby determine that the power capacity of energy-storage system.
Step S104：According to the stored energy capacitance and power capacity after optimization, energy storage original scheme and index of correlation are generated.
In the present embodiment, the method specific embodiment in step S104 is as shown in figure 5, specifically include：
Step S401：On the basis of stored energy capacitance and power capacity after optimization the energy storage is adjusted according to preset ratio
Capacity and power capacity generate energy storage original scheme.
In the present embodiment, according to actual demand, for the ease of calculating, in the stored energy capacitance and power capacity of optimization
On the basis of, it is adjusted according to default ratio, ratio of the preset ratio between actual capacity and the capacity of optimization calculating,
So as to obtain energy storage original scheme.
Step S402：According to energy storage original scheme, system emulation is carried out using simplified energy storage simulation model, generation is related
Index.
In the present embodiment, according to energy storage original scheme obtained above, by the stored energy capacitance in energy storage original scheme and
Power capacity is brought into simplified energy storage simulation model, the energy storage simulation model of simplification herein be without considering tank voltage,
The variation of electric current only considers that energy storage is contributed influence to energy storage SOC, obtains index of correlation, index of correlation include technical indicator and
Economic indicator, technical indicator have undulating value, stability bandwidth, compensation deviation, fm capacity, maximum reactive-load compensation, power off time, energy storage
Number is replaced in life expectancy and energy storage；Economic indicator mainly has totle drilling cost in engineering life cycle, total revenue and total net present value (NPV).
Step S105：A variety of energy storage inverters are obtained, a variety of energy storage inverters are carried out with energy consumption analysis respectively, generate energy storage
Inverter energy consumption analysis result.
In the present embodiment, energy storing structure design, the design master of energy storing structure are carried out on the basis of stored energy capacitance is determined
If inverter design, inverter direct-current voltage range computation and energy consumption analysis.
In the present embodiment, a variety of different energy storage inverters are chosen, including single stage type inverter, single-stage band transformer type
Inverter and stage type inverter, it is then determined that the control method of energy storage inverter, the control method of energy storage inverter is mainly wrapped
Include PQ controls, VF controls and droop control.
PQ controls the output that can adjust energy storage inverter active and reactive current, so as to fulfill energy storage inverter output
Active-power P and reactive power Q decoupling control achieve the purpose that improve load power factor.VF controls can be to energy storage inversion
The output voltage and frequency of device are controlled, and maintain output voltage and frequency values in certain scope, and then can root
Achieve the purpose that voltage and frequency fluctuation caused by stabilizing load power fluctuation according to workload demand.And droop control can be not required
Communication-cooperation between each energy storage link realizes various energy-storage system plug and play, and therefore, the embodiment of the present invention is preferentially selected
Droop control.
In the present embodiment, it is more advantageous to realizing that energy-storage system is smooth between different application pattern using droop control
Switching, need not change the control strategy between application model, while can also improve the power supply quality and electricity of internal system load
Press quality.
By the control to energy storage inverter, energy storage inverter voltage range can be obtained.And energy-storage system as needed
The maximum power that moment releases determines the capacity of energy storage inverter, so as to obtain energy storage inverter energy consumption analysis result.
Step S106：It is raw according to energy storage inverter energy consumption analysis as a result, a variety of energy storage inverters are carried out with connection in series-parallel design
Into a variety of alternatives.
In the present embodiment, according to the voltage range and capacity of the energy storage inverter of acquisition, then according to voltage range and
The matched principle of total capacity carries out connection in series-parallel design to a variety of energy storage inverters, generates a variety of alternatives.
Step S107：A variety of alternatives are assessed, generate assessment result, and according to assessment result from a variety of alternative
Final design scheme is selected in scheme.
In this embodiment, in step S107 the specific embodiment of method as shown in fig. 6, particular content is as follows：
Step S501：According to a variety of alternatives, system emulation, generation are carried out by quasi-steady state energy storage simulation model respectively
The corresponding index of correlation of a variety of alternatives.
In the present embodiment, according to a variety of alternatives, system emulation is carried out by quasi-steady state energy storage simulation model respectively,
The quasi-steady state energy storage simulation model is exactly equal proportion accurate simulation, obtains referring to the corresponding correlation of a alternative by emulation
Mark.
Step S502：The index of correlation of a variety of alternatives according to preset standard is assessed, and generates assessed value, is selected
The highest alternative of assessed value is selected as final design scheme.
In the present embodiment, to totle drilling cost in engineering life cycle in the economic indicator in index of correlation, total revenue and total
The undulating value of net present value (NPV) and technical indicator, stability bandwidth, compensation deviation, fm capacity, maximum reactive-load compensation, power off time, energy storage
Life expectancy and energy storage replace number and preset weight respectively, design standards of grading, and standards of grading are for index of correlation marking herein
It can be manually scoring, may be alternatively provided as system automatic scoring, by the scoring of indices and multiplied by weight, obtain indices
The final scoring of indices is finally added, obtains the assessed value of each alternative, choose assessed value highest by final scoring
Alternative as final design scheme.
It was found from above-described embodiment, the embodiment of the present invention generates result of spectrum analysis by obtaining related data curve；Root
Energy storage control strategy is selected according to result of spectrum analysis and carries out stored energy capacitance optimization calculating, stored energy capacitance and work(after generation optimization
Rate capacity；According to stored energy capacitance and power capacity, energy storage original scheme and index of correlation are generated；Obtain a variety of energy storage inverters simultaneously
Energy consumption analysis is carried out respectively, generates energy storage inverter energy consumption analysis result；A variety of energy storage inverters are carried out with connection in series-parallel design, it is raw
Into a variety of alternatives.A variety of alternatives are assessed, generate assessment result, and according to assessment result from a variety of alternative sides
Final design scheme is selected in case.The present invention is by obtaining the different related datas of different application scene to energy-storage system into professional etiquette
It draws and obtains final energy design scheme, improve the power supply reliability of power distribution network, optimize the resource distribution of power distribution network, improve
Power quality.
It is to be understood that the size of the sequence number of each step is not meant to the priority of execution sequence, each process in above-described embodiment
Execution sequence should determine that the implementation process without tackling the embodiment of the present invention forms any limit with its function and internal logic
It is fixed.
Embodiment 2：
As shown in fig. 7, a kind of system 100 for energy-storage system planning that one embodiment of the present of invention provides, for performing
The method and step in embodiment corresponding to Fig. 2, including：
Related data curve acquisition module 110, for obtaining related data curve, related data curve includes renewable energy
Source output power curve, plan power generation aim curve and load curve.
Result of spectrum analysis generation module 120, for carrying out spectrum analysis to related data curve, generation related data is bent
The result of spectrum analysis of line.
Optimum results generation module 130, for according to result of spectrum analysis, selecting energy storage control strategy and carrying out energy storage appearance
Amount optimization calculates, stored energy capacitance and power capacity after generation optimization.
Original scheme generation module 140, for according to the stored energy capacitance and power capacity after optimization, generating energy storage original-party
Case and index of correlation.
Energy storage inverter energy consumption analysis result-generation module 150, it is inverse to a variety of energy storage for obtaining a variety of energy storage inverters
Become device and carry out energy consumption analysis respectively, generate energy storage inverter energy consumption analysis result.
Alternative generation module 160, for according to energy storage inverter energy consumption analysis as a result, to a variety of energy storage inverters into
Row connection in series-parallel designs, and generates a variety of alternatives.
Final design schemes generation module 170 for assessing a variety of alternatives, generates assessment result, and root
Final design scheme is selected from a variety of alternatives according to assessment result.
In one embodiment of the invention, the optimum results generation module 130 in the embodiment corresponding to Fig. 8, is also wrapped
Include to perform the structure of the method and step in the embodiment corresponding to Fig. 4, including：
Selecting unit 131, for according to result of spectrum analysis, selecting the type of energy storage control strategy and energy storage device；
Restrictive condition setting unit 132 for the type according to energy storage device, sets the remaining capacity of energy storage device to limit
Condition；
Probability acquiring unit 133, for obtaining the probability for meeting annual stored energy capacitance；
Optimizing capacity acquiring unit 134, for the residue electricity according to the probability and energy storage device for meeting annual stored energy capacitance
Measure restrictive condition, stored energy capacitance and power capacity after generation optimization.
In one embodiment of the invention, related data curve acquisition module further includes to perform corresponding to Fig. 3
Method and step in embodiment, including：
Related data acquiring unit, for obtaining related data, related data include regenerative resource output power data,
Plan power generation target data and load data；
Related data curve acquisition unit for being calculated into Correlation series related data, generates related data curve.
It was found from above-described embodiment, the present invention by obtain the different related datas of different application scene to energy-storage system into
The corresponding planning of row, obtains final energy design scheme, improves the power supply reliability of power distribution network, optimize the resource of power distribution network
Configuration, improves power quality.
Embodiment 3：
The embodiment of the present invention additionally provides a kind of server 9, including memory 91, processor 90 and is stored in memory
In 91 and the computer program 92 that can run on a processor, the processor 90 are realized such as when performing the computer program 92
The step in each embodiment described in embodiment 1, such as step S101 shown in Fig. 2 to step S107.Alternatively, the processing
Device 90 realizes the function of each module in each device embodiment as described in example 2 above when performing the computer program 92,
Such as the function of module 110 to 170 shown in Fig. 7.
The server 9 can be the computing devices such as desktop PC, notebook, palm PC and cloud server.
The server may include, but be not limited only to processor 90, memory 91.Such as the server can also include input and output
Equipment, network access equipment, bus etc..
Alleged processor 90 can be central processing unit (Central Processing Unit, CPU), can also be
Other general processors, digital signal processor (Digital Signal Processor, DSP), application-specific integrated circuit
(Application Specific Integrated Circuit, ASIC), ready-made programmable gate array (Field-
Programmable Gate Array, FPGA) either other programmable logic device, discrete gate or transistor logic,
Discrete hardware components etc..General processor can be microprocessor or the processor can also be any conventional processor
Deng.
The memory 91 can be the internal storage unit of the server 9, such as the hard disk or memory of server 9.
The memory 91 can also be the External memory equipment of the server 9, such as the plug-in type being equipped on the server 9 is hard
Disk, intelligent memory card (Smart Media Card, SMC), secure digital (Secure Digital, SD) card, flash card
(Flash Card) etc..Further, the memory 91 can also both include the internal storage unit of server 9 or including outer
Portion's storage device.The memory 91 is used to store the computer program 92 and other programs needed for the server 9
And data.The memory 91 can be also used for temporarily storing the data that has exported or will export.
Embodiment 4：
The embodiment of the present invention additionally provides a kind of computer readable storage medium, and computer-readable recording medium storage has meter
Calculation machine program is realized the step in each embodiment as described in example 1 above, such as is schemed when computer program is executed by processor
Step S101 to step S107 shown in 2.Alternatively, it is realized when the computer program is executed by processor such as institute in embodiment 2
The function of each module in each device embodiment stated, such as the function of module 110 to 170 shown in Fig. 7.
The computer program can be stored in a computer readable storage medium, and the computer program is by processor
During execution, it can be achieved that the step of above-mentioned each embodiment of the method.Wherein, the computer program includes computer program code,
The computer program code can be source code form, object identification code form, executable file or some intermediate forms etc..Institute
Stating computer-readable medium can include：Can carry the computer program code any entity or device, recording medium,
USB flash disk, mobile hard disk, magnetic disc, CD, computer storage, read-only memory (ROM, Read-Only Memory), arbitrary access
Memory (RAM, Random Access Memory), electric carrier signal, telecommunication signal and software distribution medium etc..It needs
It is bright, the content that the computer-readable medium includes can according in jurisdiction legislation and patent practice requirement into
The appropriate increase and decrease of row, such as in some jurisdictions, according to legislation and patent practice, computer-readable medium does not include being electricity
Carrier signal and telecommunication signal.
The steps in the embodiment of the present invention can be sequentially adjusted, merged and deleted according to actual needs.
Module or unit in system of the embodiment of the present invention can be combined, divided and deleted according to actual needs.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of method of energy-storage system planning, the energy-storage system include energy storage device and energy storage inverter, which is characterized in that
The method is applied to server, including：
Related data curve is obtained, the related data curve includes regenerative resource output power curve, plan power generation target
Curve and load curve；
Spectrum analysis is carried out to the related data curve, generates the result of spectrum analysis of the related data curve；
According to the result of spectrum analysis, select energy storage control strategy and carry out stored energy capacitance optimization calculating, after generation optimization
Stored energy capacitance and power capacity；
According to the stored energy capacitance and power capacity after the optimization, energy storage original scheme and index of correlation are generated；
A variety of energy storage inverters are obtained, energy consumption analysis is carried out respectively to a variety of energy storage inverters, generates the energy storage inversion
The energy consumption analysis result of device；
According to the energy consumption analysis of the energy storage inverter as a result, carrying out connection in series-parallel design, generation to a variety of energy storage inverters
A variety of alternatives；
A variety of alternatives are assessed, generate assessment result, and according to the assessment result from described a variety of alternative
Final design scheme is selected in scheme.
2. the method for a kind of energy-storage system planning as described in claim 1, which is characterized in that the acquisition related data is bent
Line, including：
Related data is obtained, the related data includes regenerative resource output power data, plan power generation target data and bears
Lotus data；
The related data into Correlation series is calculated, generates related data curve.
3. the method for a kind of energy-storage system planning as described in claim 1, which is characterized in that described according to the related data
Result of spectrum analysis selects energy storage control strategy and carries out stored energy capacitance optimization calculating, stored energy capacitance and work(after generation optimization
Rate capacity, including：
According to the result of spectrum analysis, the type of selection energy storage control strategy and the energy storage device；
According to the type of the energy storage device, the remaining capacity restrictive condition of the energy storage device is set；
Obtain the probability for meeting annual stored energy capacitance；
Meet the annual probability of stored energy capacitance and the remaining capacity restrictive condition of the energy storage device according to described, after generation optimization
Stored energy capacitance and power capacity.
4. a kind of method of energy-storage system planning as described in claim 1, which is characterized in that it is described according to the optimization after
Stored energy capacitance and power capacity generate energy storage original scheme and index of correlation, including：
On the basis of stored energy capacitance and power capacity after the optimization stored energy capacitance and work(are adjusted according to preset ratio
Rate capacity generates energy storage original scheme；
According to the energy storage original scheme, system emulation is carried out using simplified energy storage simulation model, generates index of correlation.
5. the method for a kind of energy-storage system planning as described in claim 1, which is characterized in that described to a variety of alternative sides
Case is assessed, and generates assessment result, and final design side is selected from a variety of alternatives according to the assessment result
Case, including：
According to a variety of alternatives, system emulation is carried out by quasi-steady state energy storage simulation model respectively, is generated a variety of alternative
The corresponding index of correlation of scheme；
The index of correlation of a variety of alternatives according to preset standard is assessed, and generates assessed value, selects institute's commentary
The highest alternative of valuation is as final design scheme.
6. a kind of system of energy-storage system planning, the energy-storage system include energy storage device and energy storage inverter, which is characterized in that
Including：
Related data curve acquisition module, for obtaining related data curve, the related data curve includes regenerative resource
Output power curve, plan power generation aim curve and load curve；
Result of spectrum analysis generation module for carrying out spectrum analysis to the related data curve, generates the related data
The result of spectrum analysis of curve；
Optimum results generation module, for according to the result of spectrum analysis, selecting energy storage control strategy and carrying out stored energy capacitance
Optimization calculates, stored energy capacitance and power capacity after generation optimization；
Original scheme generation module, for according to the stored energy capacitance and power capacity after the optimization, generating energy storage original scheme
And index of correlation；
Energy storage inverter energy consumption analysis result-generation module, for obtaining a variety of energy storage inverters, to a variety of energy storage inversions
Device carries out energy consumption analysis respectively, generates the energy storage inverter energy consumption analysis result；
Alternative generation module, for according to the energy storage inverter energy consumption analysis as a result, to a variety of energy storage inverters
Connection in series-parallel design is carried out, generates a variety of alternatives；
Final design schemes generation module for assessing a variety of alternatives, generates assessment result, and according to institute
It states assessment result and final design scheme is selected from a variety of alternatives.
A kind of 7. system of energy-storage system planning as claimed in claim 6, which is characterized in that the related data curve acquisition
Module, including：
Related data acquiring unit, for obtaining related data, the related data include regenerative resource output power data,
Plan power generation target data and load data；
Related data curve acquisition unit for being calculated into Correlation series the related data, generates related data curve.
8. the system of a kind of energy-storage system planning as claimed in claim 6, which is characterized in that the optimum results generate mould
Block, including：
Selecting unit, for according to the result of spectrum analysis, selecting the type of energy storage control strategy and the energy storage device；
Restrictive condition setting unit for the type according to the energy storage device, sets the remaining capacity of the energy storage device to limit
Condition processed；
Probability acquiring unit, for obtaining the probability for meeting annual stored energy capacitance；
Optimizing capacity acquiring unit, for the residue electricity according to the probability for meeting annual stored energy capacitance and the energy storage device
Measure restrictive condition, stored energy capacitance and power capacity after generation optimization.
9. a kind of server, including memory, processor and it is stored in the memory and can transports on the processor
Capable computer program, which is characterized in that the processor realizes such as claim 1 to 5 times when performing the computer program
The step of one the method.
10. a kind of computer readable storage medium, the computer-readable recording medium storage has computer program, and feature exists
In when the computer program is executed by processor the step of realization such as any one of claim 1 to 5 the method.
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Application publication date: 20180518 |