CN109193816A - Consider the real-time real power control method of new energy power station of malice application with super generating punishment - Google Patents
Consider the real-time real power control method of new energy power station of malice application with super generating punishment Download PDFInfo
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- CN109193816A CN109193816A CN201811343627.1A CN201811343627A CN109193816A CN 109193816 A CN109193816 A CN 109193816A CN 201811343627 A CN201811343627 A CN 201811343627A CN 109193816 A CN109193816 A CN 109193816A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/46—Controlling of the sharing of output between the generators, converters, or transformers
- H02J3/48—Controlling the sharing of the in-phase component
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Abstract
The invention discloses the real-time real power control methods of new energy power station of a kind of application of consideration malice and super generating punishment, specially, the case where for the malice application of new energy power station and super generating, the application that carries out plus contribute to new energy power station according to the corresponding examination moment is examined with super generating, corresponding malice super generating punishment is carried out for the new energy power station that examination moment super generating electricity is more than different limits, it is unable to reach for examination moment active power output plus power output applies for target and the new energy power station of certain time is kept to carry out malice application punishment, to realize new energy power station power generation and add the standard guidance of power output application, reduce new energy power station electricity transaction deviation, ensure that new energy justice participates in marketing, promote new energy consumption.
Description
Technical field
The present invention relates to the real-time real power control methods of new energy power station of a kind of application of consideration malice and super generating punishment, belong to
Operation and control of electric power system technical field.
Background technique
With the development of China's clean energy, the installed capacity of the new energy based on photovoltaic and wind-powered electricity generation and consumption amount by
Year rises, and the access range of electricity transaction also constantly expands, and the ratio for making new energy participate in marketing steps up.So
And on the basis of the generation schedule that scheduling institution issues, the fluctuation of new energy itself easily leads to going out in real time for new energy power station
There is more large deviation compared to traditional thermoelectricity in power.Generation of electricity by new energy, the reasonable electricity exchange model of design how are made full use of, is subtracted
Few new energy power station electricity transaction deviation ensures that new energy justice participates in marketing, improves generation of electricity by new energy and dissolves ratio, subtracts
Light rate is abandoned in few abandonment, has become the grid-connected scheduling controlling institute major issue to be solved of new energy power station.
Chinese invention patent " a kind of assessment measuring method of wind-power electricity generation-load real time coordination consumption abandonment " (application number:
CN201610264085.3) consider the factors such as wind-powered electricity generation super generating, few hair, establish consumption evaluation index collection, realize wind-power electricity generation-
Load real time coordination dissolves the assessment measuring and calculating of abandonment, but to being related to, malice is not applied and the new energy power station of super generating has carried out power control
System.
Chinese invention patent " a kind of lotus net source coordination control model under quantity of electricity contract method of commerce " (application number:
It CN201610952204.4 is) examination baseline to promise breaking super generating electricity with the agreement consumption generation schedulecurve that control centre issues
Few generated energy is examined with breaking a contract, but is only handled from charge calculation angle violation of agreement, not directly to new energy
The super generating in source power station and few hair carry out real power control.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the deficiencies of existing technologies, a kind of consideration malice application and super is provided
The real-time real power control method of new energy power station for sending out punishment is likely to occur for new energy power station power output under active real-time distribution
Deviation situation reduces new energy electricity from the angle of malice application and super generating by formulating corresponding penalty mechanism and control flow
It stands output deviation, promotes new energy consumption.
In order to solve the above technical problems, the present invention provides a kind of new energy power station reality for considering malice application with super generating punishment
When real power control method, comprising the following steps:
1) present instruction is set to issue constantly as t0, judge t0Moment be need carry out or do not need carry out malice application with
At the time of super generating is examined；If current time t0At the time of examination to need to carry out malice application with super generating, then t is initialized0Moment is new
The super generating flag bit of energy power station i is 0, is entered step 2)；Otherwise continue judgement until current time t0To need to carry out malice
At the time of application is examined with super generating, enter step 2)；
2) it obtains new energy power station i super generating and counts initial time Tb,iAnd [Tb,i,t0] reality of new energy power station i in section
The real-time command curve of border power output and new energy power station i, calculates the power station in [Tb,i,t0] power and super generating should be issued in section
Utilize hourageAccording toLocating section carries out super generating punishment to new energy power station i, if carrying out super generating punishment, is transferred to
Step 3) is transferred to step 5) if punishing without super generating；It calculates as follows:
Wherein, Pa,i(t) the practical power output for being t moment new energy power station i, Ps,i(t) answering for t moment new energy power station i
Issue power, Pprep,i(t) real-time command for being t moment new energy power station i, Pe,iFor the rated capacity of new energy power station i；
3) it reads new energy power station i and adds power output application reply moment Ta,iAnd the time instructions, if plus power output application examination prolong
When be td, judge t0Whether [T is belonged toa,i,Ta,i+td] section, according to t0Value interval, carry out plus power output application judgement, if
Add power output application qualified, be then transferred to step 5), if plus power output application it is unqualified, be transferred to step 4)；
4) value for reading and comparing the super generating flag bit of new energy power station i, propose according to super generating flag bit plus contribute application；
5) it is calculated using linear programming algorithm and issues each new energy power station instruction.
In aforementioned step 1), be configured at the time of malice application is examined with super generating by certain examination period.
In aforementioned step 2), according toLocating section carries out super generating punishment to new energy power station i, including following several
Situation:
If 21)Equal to 0, punishes, entered step 3) without super generating；
If 22)Greater than 0 and it is less than real-time super generating threshold valueThe nearly n in the power station month super generating is counted using small
When number Nhis,i, judgementWhether " history-real-time " comprehensive super generating threshold value is less thanIfIt is less thanThe super generating flag bit that the new energy power station is arranged is 1, is entered step 3)；IfIt is more than or equal toAdjustment
The instruction upper limit in a hours i future of new energy power station is Pmax,i, and forbid its application that proposes plus contribute in a hours, empty this
The N in power stationhis,i, go to step 5)； iIt calculates as follows:
Wherein, C is new energy power station set, Pa.i(t0) it is t0The real-time power output of moment new energy power station i, Lgrid(t0) be
t0Moment the whole network Rate of average load, Pe,iFor the rated capacity of new energy power station i, τ is super generating penalty coefficient, and λ is that history super generating is examined
Core coefficient；
If 23)Threshold value is punished more than or equal to super generatingRecordWith current time t0It is executed as punishment
Start time Te, with the prediction power output P of new energy power station ifo,i(t) on the basis of, computational theory power generation electricity reaches super generating punishment electricity
Measure Ep,iRequired super generating Penalty time, forbids the power station to generate electricity during this period of time, then goes to step 5, super generating Penalty time
It calculates as follows:
Wherein, Ep,iElectricity, t are punished for the super generating of new energy power station ip,iFor corresponding super generating Penalty time,For new energy
Source power station i goes over one week average practical power output hourly.
In aforementioned step 3), carries out plus power output application judges, specific as follows:
31) work as t0Belong to [Ta,i,Ta,i+td] section when, if new energy power station t0Time instructions are greater than plus power output application reply
Time instructions, return step 1), wait next round instruction issue continue to examine constantly the power station plus power output application；If new energy
Power station t0Time instructions are less than plus power output application reply time instructions, then no longer add power output application to examine this, go to step
It is rapid 5)；
32) work as t0It is not belonging to [Ta,i,Ta,i+td] section when, in [Ta,i+td,t0] do not surpass in section by interval setting of Δ t
M sampled point is crossed, the m sampled point new energy power station i average value contributed is regarded as to the practical power output of new energy power station i, if should
Power generating value meets target application power output error bound constraint, then plus power output application is qualified, goes to step 5)；If power generating value is discontented
Foot-eye application power output error bound constraint, then plus power output application is unqualified, enters step 4)；Target application is contributed in error
Lower limit constraint is as follows:
Pb.i.0-ΔP≤Pa.i.0≤Pb.i.0+ΔP
Wherein, Pa.i.0For t0The practical power output of moment new energy power station i, Pb.i.0For t0Moment new energy power station i is locating to be added
The target power output of power output application, Δ P are the allowable error of target power output.
In aforementioned step 4),
If the super generating flag bit of new energy power station i is 1, new energy power station i is forbidden in b hour following to propose plus contribute
Application；
If the super generating flag bit of new energy power station i is 0, new energy power station i is forbidden in c hour following to propose plus contribute
Application, wherein c < b.
B value above-mentioned is that 2, c value is 1.5.
By using above-mentioned technical proposal, the present invention achieves following technical effects:
The present invention realizes new energy power station power generation and adds the standard guidance of power output application, reduces new energy power station power output
Deviation has ensured that new energy justice participates in marketing, promotes new energy consumption.
Detailed description of the invention
Fig. 1 is the flow chart of the method for the present invention.
Specific embodiment
The invention will be further described below.Following embodiment is only used for clearly illustrating technical side of the invention
Case, and not intended to limit the protection scope of the present invention.
The present invention provides the real-time real power control method of new energy power station of a kind of application of consideration malice and super generating punishment, substantially
Principle is: that new energy power station is examined under active real-time distribution adds power output application examination and super generating situation, to the examination period
Interior active power output is unable to reach plus power output applies for target and the new energy power station of certain time is kept to carry out malice application punishment, right
Examining super generating electricity in the period is more than that the new energy power station of different limits carries out corresponding malice super generating punishment, to realize new energy electricity
It stands and generates electricity and add the standard guidance contributed and applied, reduce new energy power station output deviation, guarantee new energy justice participates in market friendship
Easily, promote new energy consumption.
Referring to Fig. 1, the method for the present invention the specific implementation process is as follows:
Step 1: setting present instruction and issue constantly as t0, judge t0Moment is to need to carry out or do not need to carry out malice Shen
At the time of please examination with super generating, in new energy power station, malice application is with certain examination period with super generating appraisal standards
Moment；If current time t0At the time of examination to need to carry out malice application with super generating, then t is initialized0Moment new energy power station i
Super generating flag bit be 0, enter step 2；Otherwise continue to judge current time t0Until current time t0To need to carry out malice Shen
At the time of please examination with super generating, 2 are entered step；
Step 2: obtaining new energy power station i super generating from external system and count initial time Tb,iAnd [Tb,i,t0] in section
The practical power output of new energy power station i and the real-time command curve of new energy power station i, calculate the power station in [Tb,i,t0] in section
Power and super generating should be issued and utilize hourageSuch as formula (1), according toLocating section carries out super generating punishment to new energy power station i.
Wherein, Pa,i(t) the practical power output for being t moment new energy power station i, Ps,i(t) answering for t moment new energy power station i
Issue power, Pprep,i(t) real-time command for being t moment new energy power station i, Pe,iFor the rated capacity of new energy power station i.
If 1)Equal to 0, is punished without super generating, enter step 3；
If 2)Greater than 0 and it is less than real-time super generating threshold valueIt counts the nearly n month super generating in the power station and utilizes hour
Number Nhis,i, judgementWhether " history-real-time " comprehensive super generating threshold value is less thanWherein λ is that history super generating is examined
Core coefficient, λ belong to section [0,1], can use 0.8.IfIt is less thanThe super generating flag bit that the power station is arranged is 1,
Enter step 3；IfIt is more than or equal toAdjusting the instruction upper limit in a hours new energy power station i future is Pmax,i
(such as formula (2)-(3)), and forbid its application that proposes plus contribute in a hours, empty the N in the power stationhis,i, go to step 5；
Wherein, C is new energy power station set, Pa.i(t0) it is t0The real-time power output of moment new energy power station i, Lgrid(t0) be
t0Moment the whole network Rate of average load, Pe,iFor the rated capacity of new energy power station i, τ is super generating penalty coefficient, may be configured as 0.5.
If 3)Threshold value is punished more than or equal to super generatingRecordWith current time t0It executes and opens as punishment
Begin moment Te, with the prediction power output P of new energy power station ifo,i(t) on the basis of, computational theory power generation electricity reaches super generating punishment electricity
Ep,iRequired time forbids the power station to generate electricity during this period of time, then goes to step 5, and the calculating of super generating Penalty time is as follows:
Wherein, Ep,iElectricity is punished for the super generating of new energy power station i, is equal to the hair that the power station goes over average one day one week
Electricity, tp,iFor corresponding super generating Penalty time,For past one week of new energy power station i average practical power output hourly.
Step 3: reading new energy power station i from external system and add power output application reply moment Ta,iAnd the time instructions, if plus
Power output application examination delay is td, judge t0Whether [T is belonged toa,i,Ta,i+td] section,
1) work as t0Belong to [Ta,i,Ta,i+td] section when, if new energy power station t0Time instructions are greater than plus power output application reply
Time instructions, return step 1, wait next round instruction issue continue to examine constantly the power station plus power output application；If new energy
Power station t0Time instructions are less than plus power output application reply time instructions, then no longer add power output application to examine this, go to step
Rapid 5；
2) work as t0It is not belonging to [Ta,i,Ta,i+td] section when, in [Ta,i+td,t0] do not surpass in section by interval setting of Δ t
M sampled point is crossed, the m sampled point new energy power station i average value contributed is regarded as to the practical power output of new energy power station i, if should
Power generating value meets target application power output error bound constraint (such as formula (5)), then plus power output application is qualified, goes to step 5；If should
Power generating value is discontented with foot-eye application power output error bound constraint, then plus power output application is unqualified, enters step 4；
Pb.i.0-ΔP≤Pa.i.0≤Pb.i.0+ΔP (5)
Wherein, Pa.i.0For t0The practical power output of moment new energy power station i, Pb.i.0For t0Moment new energy power station i is locating to be added
The target power output of power output application, Δ P are the allowable error of target power output.
Step 4: the value of the super generating flag bit of new energy power station i is read and compares,
If 1) the super generating flag bit of new energy power station i is 1, new energy power station i is forbidden in b hour following to propose plus out
Power application, b may be configured as 2；
2) if the super generating flag bit of new energy power station i is 0, (c < b) forbids new energy power station i to mention in c hours following
Out plus power output application, c may be configured as 1.5.
Step 5: each new energy power station instruction is calculated and issued using existing linear programming algorithm, terminates this method.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and deformations can also be made, these improvement and deformations
Also it should be regarded as protection scope of the present invention.
Claims (6)
1. considering the real-time real power control method of new energy power station of malice application with super generating punishment, which is characterized in that including following
Step:
1) present instruction is set to issue constantly as t0, judge t0Moment is to need to carry out or do not need to carry out malice application and super generating
At the time of examination；If current time t0At the time of examination to need to carry out malice application with super generating, then t is initialized0Moment new energy
The super generating flag bit of power station i is 0, is entered step 2)；Otherwise continue judgement until current time t0To need to carry out malice application
At the time of examination with super generating, enter step 2)；
2) it obtains new energy power station i super generating and counts initial time Tb,iAnd [Tb,i,t0] reality of new energy power station i goes out in section
The real-time command curve of power and new energy power station i calculates the power station in [Tb,i,t0] in section should issue power and super generating utilizes
HourageAccording toLocating section carries out super generating punishment to new energy power station i, if carrying out super generating punishment, is transferred to step
3), if punishing without super generating, it is transferred to step 5)；It calculates as follows:
Wherein, Pa,i(t) the practical power output for being t moment new energy power station i, Ps,i(t) should issue for t moment new energy power station i
Power, Pprep,i(t) real-time command for being t moment new energy power station i, Pe,iFor the rated capacity of new energy power station i；
3) it reads new energy power station i and adds power output application reply moment Ta,iAnd the time instructions, if plus power output application examination delay be
td, judge t0Whether [T is belonged toa,i,Ta,i+td] section, according to t0Value interval, carry out plus power output application judgement, if plus go out
Power application is qualified, then is transferred to step 5), if plus power output application it is unqualified, be transferred to step 4)；
4) value for reading and comparing the super generating flag bit of new energy power station i, propose according to super generating flag bit plus contribute application；
5) it is calculated using linear programming algorithm and issues each new energy power station instruction.
2. the real-time real power control method of new energy power station of the application of consideration malice and super generating punishment according to claim 1,
It is characterized in that, be configured at the time of malice application is examined with super generating by certain examination period in the step 1).
3. the real-time real power control method of new energy power station of the application of consideration malice and super generating punishment according to claim 1,
It is characterized in that, in the step 2), according toLocating section carries out super generating punishment to new energy power station i, including following several
Situation:
If 21)Equal to 0, punishes, entered step 3) without super generating；
If 22)Greater than 0 and it is less than real-time super generating threshold valueIt counts the nearly n month super generating in the power station and utilizes hourage
Nhis,i, judgementWhether " history-real-time " comprehensive super generating threshold value is less thanIfIt is less thanThe super generating flag bit that the new energy power station is arranged is 1, is entered step 3)；IfIt is more than or equal toAdjustment
The instruction upper limit in a hours i future of new energy power station is Pmax,i, and forbid its application that proposes plus contribute in a hours, empty this
The N in power stationhis,i, go to step 5)；It calculates as follows:
Wherein, C is new energy power station set, Pa.i(t0) it is t0The real-time power output of moment new energy power station i, Lgrid(t0) it is t0When
Carve the whole network Rate of average load, Pe,iFor the rated capacity of new energy power station i, τ is super generating penalty coefficient, and λ is history super generating examination system
Number；
If 23)Threshold value is punished more than or equal to super generatingRecordWith current time t0When executing beginning as punishment
Carve Te, with the prediction power output P of new energy power station ifo,i(t) on the basis of, computational theory power generation electricity reaches super generating punishment electricity Ep,i
Required super generating Penalty time, forbids the power station to generate electricity during this period of time, then goes to step 5, the calculating of super generating Penalty time
It is as follows:
Wherein, Ep,iElectricity, t are punished for the super generating of new energy power station ip,iFor corresponding super generating Penalty time,For new energy electricity
The i that stands goes over one week average practical power output hourly.
4. the real-time real power control method of new energy power station of the application of consideration malice and super generating punishment according to claim 1,
It is characterized in that, carry out in the step 3) plus power output application judges, it is specific as follows:
31) work as t0Belong to [Ta,i,Ta,i+td] section when, if new energy power station t0Time instructions are greater than plus the power output application reply moment
Instruction, return step 1), wait next round instruction issue continue to examine constantly the power station plus power output application；If new energy power station
t0Time instructions are less than plus power output application reply time instructions, then no longer add power output application to examine this, go to step 5)；
32) work as t0It is not belonging to [Ta,i,Ta,i+td] section when, in [Ta,i+td,t0] it using Δ t is that interval setting is no more than m in section
The m sampled point new energy power station i average value contributed is regarded as the practical power output of new energy power station i, if the power generating value by sampled point
Meet target application power output error bound constraint, then plus power output application is qualified, goes to step 5)；If power generating value is discontented with foot-eye
Application power output error bound constraint, then plus power output application is unqualified, enters step 4)；Target application contributes error bound about
Beam is as follows:
Pb.i.0-ΔP≤Pa.i.0≤Pb.i.0+ΔP
Wherein, Pa.i.0For t0The practical power output of moment new energy power station i, Pb.i.0For t0Moment new energy power station i is locating plus contributes
The target of application is contributed, and Δ P is the allowable error of target power output.
5. the real-time real power control method of new energy power station of the application of consideration malice and super generating punishment according to claim 1,
It is characterized in that, in the step 4),
If the super generating flag bit of new energy power station i is 1, new energy power station i is forbidden in b hour following to propose plus contribute Shen
Please；
If the super generating flag bit of new energy power station i is 0, new energy power station i is forbidden in c hour following to propose plus contribute Shen
Please, wherein c < b.
6. the real-time real power control method of new energy power station of the application of consideration malice and super generating punishment according to claim 5,
It is characterized in that, it is 1.5 that the b value, which is 2, c value,.
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