CN108377005A - The active real-time collaborative control method of polymorphic type power supply based on the sections ACE - Google Patents
The active real-time collaborative control method of polymorphic type power supply based on the sections ACE Download PDFInfo
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- 238000011217 control strategy Methods 0.000 description 2
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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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- H02J3/382—
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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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/76—Power conversion electric or electronic aspects
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- Supply And Distribution Of Alternating Current (AREA)
Abstract
The invention discloses a kind of active real-time collaborative control methods of the polymorphic type power supply based on the sections ACE,Polymorphic type power supply is divided into preferential consumption power supply and non-preferential consumption power supply by this method,According to ACE indexs,Total regulation power and its residing section,Spare and real-time regulating power is born in conjunction with the non-preferential power supply for participating in adjusting in real time,Using " the non-preferential power command of the negative urgent preferential pressure drop in area,Other control zones preferentially increase preferred power supply instruction " strategy unified calculation preferred power supply and non-preferential power supply real time control command,Realizing the real-time frequency modulation of multiple-energy-source joint,While peak regulation,Make wind-powered electricity generation,Real-time total instruction that photovoltaic isopreference dissolves power supply maximizes,Promote wind,The maximization of the new energy such as light dissolves,Simultaneously,Multi-source is unified,Automatic Collaborative Control can also simplify real-time control system,And greatly mitigate the operating pressure of management and running personnel.
Description
Technical field
The present invention relates to a kind of active real-time collaborative control methods of the polymorphic type power supply based on the sections ACE, belong to power train
System technical field of automation.
Background technology
Patent " wind fire unified Modeling participates in ACE control methods " (patent No.：ZL 201110440155.3), wind power plant control
Wind power plant and fired power generating unit are divided by object processed according to the similar modeling of conventional thermal power unit characteristic, and according to the difference of power generation type
Different control groups, can design different ordering strategies between group and in group, realization wind power plant participates in adjusting jointly with conventional power unit
Section.Patent " the active control method for coordinating of wind-solar-storage joint electricity generation system " (patent No.：ZL201210167984.3) to combine hair
Wind power plant, photovoltaic plant, energy-accumulating power station in electric system modification scope object in order to control, and Controlling model is established, in conjunction with each field
The operating status stood calculates outlet air, the regulatory demand of light power generating system and energy-storage system regulatory demand by regulatory demand point in real time
It is assigned to each station, calculates each wind power plant, the regulation power and control targe of photovoltaic plant, energy-accumulating power station.Above-mentioned document is not directed to
Control interval, normal power supplies spinning reserve situation and new energy regulating power residing for the regulated quantity of power grid ACE indexs provide
Classification control strategy.
Invention content
It is active in real time that in order to solve the above technical problem, the present invention provides a kind of polymorphic type power supplys based on the sections ACE
Cooperative control method.
In order to achieve the above object, the technical solution adopted in the present invention is：
The active real-time collaborative control method of polymorphic type power supply based on the sections ACE, includes the following steps,
Step 1, it is preferred power supply that definition, which participates in the renewable class power supply that power grid is adjusted in real time, and non-renewable class power supply is non-
Preferred power supply；
Calculate ACE and total regulation power Pall, determine the control zone residing for ACE；
Step 2, it if ACE, which is in, bears urgent area, enablesGo to step 3；Wherein,For ACE to be adjusted to the regulation power needed for negative less urgent area；When to be in negative urgent area, non-preferential electricity
Source within a specified time considers the lower general power that can be adjusted downwards of real-time climbing rate, the constraint of output bound；
If ACE, which is in, bears less urgent area, the normal area of negative and positive, dead zone, enableGo to step
Rapid 4；Wherein, α1It is given coefficient；When to be in negative less urgent area, the normal area of negative and positive, dead zone, non-preferential power supply is referring to
The real-time climbing rate of interior consideration, the output bound of fixing time constrain the lower general power that can be adjusted downwards；
If ACE is in just urgent area, enableGo to step 5；Wherein,For ACE is adjusted
To the regulation power needed for just less urgent area,It can increment for preferred power supply power
If ACE is in just less urgent area, normal area, estimate that preferred power supply power can incrementGo to step 6；
Step 3, ifThen the relatively upper wheel of the total real-time command of non-preferential power supply reducesCalculate preferred power supply
Total instruction, terminates this method；
IfThen the relatively upper wheel of the total real-time command of non-preferential power supply reducesPreferred power supply is calculated always to refer to
It enables, terminates this method；
Step 4, ifThen the relatively upper wheel of the total real-time command of non-preferential power supply reduces α1|Pall|, and allow preferential
Power supply, which increases, contributes, and calculates preferred power supply and always instructs, terminates this method；
IfAndThen the relatively upper wheel of the total real-time command of non-preferential power supply reducesIt is excellent
First power supply keeps present instruction, calculates preferred power supply and always instructs, terminates this method；
IfAndThen non-preferential power supply keeps taking turns instruction, and preferred power supply drop is contributed, meter
It calculates preferred power supply always to instruct, terminates this method；
Step 5, ifCalculate the increasing power generating value and total instruction that preferred power supply is contributed, the always instruction of non-preferential power supply compared with
Upper wheel increasesTerminate this method；Wherein,For the increasing power generating value of current time preferred power supply；
IfThen preferred power supply keeps present instruction, calculates preferred power supply and always instructs, non-preferential power supply always instructs
Relatively upper wheel increasesTerminate this method；Wherein,It is non-preferential when to be in just urgent area
Power supply within a specified time considers the lower general power that can be adjusted up of real-time climbing rate, the constraint of output bound；
Step 6, ifIt then calculates preferred power supply always to instruct, non-preferential power supply keeps the total instruction of wheel, knot
Beam this method；
IfIt then calculates preferred power supply always to instruct, the relatively upper wheel of non-preferential power supply always instruction increasesTerminate this method：
IfThen preferred power supply keeps taking turns instruction, and the relatively upper wheel of non-preferential power supply always instruction increasesTerminate this method.
In step 3When, in step 4AndWhen and step 5 inWhen, it is formula (1), (2) to calculate the formula that always instructs of preferred power supply, in step 6When, preferred power supply is pressed
Instruction is taken turns in formula (1), (2) holding；
It is calculated if first, then calculating preferred power supply by formula (2) always instructs, and otherwise presses formula (1) and calculates, wherein PtotIt is excellent
The first total real-time command value of power supply epicycle,To take turns real-time command value in preferred power supply,For the current total of preferred power supply
It contributes, S1To set step-length.
In step 3,When, calculating the formula that preferred power supply always instructs is,
Wherein,For the drop power total amount of preferred power supply, k1For proportionality coefficient, Sl-For single, the maximum contributed and allowed drops
Step-length, PtotFor the total real-time command value of preferred power supply epicycle,For the current gross capability of preferred power supply.
In step 4,When, it calculates preferred power supply and always instructs formula,
Wherein, Pt,nIt can increase space for preferred power supply output,It is spare for bearing for non-preferential power supply,For
Non-preferential power supply bears spare threshold value, k2For proportionality coefficient, Sl+Increase the maximum step-length contributed and allowed for single,It is excellent
The current gross capability of first power supply, PtotFor the total real-time command value of preferred power supply epicycle.
In step 4,AndWhen, it calculates preferred power supply and always instructs formula,
Wherein,For the drop power total amount of preferred power supply, k3For proportionality coefficient, Sl-For single, the maximum contributed and allowed drops
Step-length, PtotFor the total real-time command value of preferred power supply epicycle,For the current gross capability of preferred power supply.
In step 5,When, the increasing power generating value that preferred power supply is contributed and the formula always instructed are calculated,
Wherein, k4For proportionality coefficient, Sl+Increase the maximum step-length contributed and allowed for single,For the current total of preferred power supply
It contributes, PtotFor the total real-time command value of preferred power supply epicycle.
In step 6,When, it calculates preferred power supply and always instructs formula,
Wherein,It is spare for bearing for non-preferential power supply,Spare threshold value is born for non-preferential power supply,
k5For proportionality coefficient, Sl+Increase the maximum step-length contributed and allowed for single,For the current gross capability of preferred power supply, PtotIt is excellent
The first total real-time command value of power supply epicycle.
In step 6,When, it calculates preferred power supply and always instructs formula,
Wherein, Sl+Increase the maximum step-length contributed and allowed for single,For the current gross capability of preferred power supply, PtotIt is excellent
The first total real-time command value of power supply epicycle.
The advantageous effect that the present invention is reached：Polymorphic type power supply is divided into preferential consumption power supply and non-preferential consumption by the present invention
Power supply, according to ACE indexs, total regulation power and its residing section, in conjunction with the negative spare of the non-preferential power supply for participating in adjusting in real time
With real-time regulating power, using " bearing the urgent preferential pressure drop in area non-preferential power command, other control zones preferentially increase preferred power supply
The real time control command of strategy the unified calculation preferred power supply and non-preferential power supply of instruction ", is adjusted in real time realizing that multiple-energy-source is combined
Frequently, while peak regulation so that real-time total instruction of wind-powered electricity generation, photovoltaic isopreference consumption power supply maximizes, and promotes the new energy such as wind, light
Maximization consumption, meanwhile, multi-source is unified, automatic Collaborative Control can also simplify real-time control system, and greatly mitigate
The operating pressure of management and running personnel.
Specific implementation mode
The following examples are only intended to illustrate the technical solution of the present invention more clearly, and cannot limit the present invention with this
Protection domain.
The active real-time collaborative control method of polymorphic type power supply based on the sections ACE, includes the following steps：
Step 1, it is preferred power supply that definition, which participates in the renewable class power supply that power grid is adjusted in real time, and non-renewable class power supply is non-
Preferred power supply；
By computation of Period ACE and total regulation power Pall, determine the control zone residing for ACE, control zone include bear urgent area,
Bearing less urgent area, the normal area of negative and positive, dead zone, just urgent area, just less urgent area and normal area, (control zone is sorted in " interconnected network
Disclosed in the substandard Automatic Generation Control strategies of CPS "), calculate the negative spare of non-preferential power supply
Step 2, it if ACE, which is in, bears urgent area, calculates non-preferential power supply and within a specified time considers real-time climbing rate, contributes
The lower general power that can be adjusted downwards of bound constraintAnd ACE is adjusted to the adjusting work(needed for negative less urgent area
RateIt enablesGo to step 3；
If ACE, which is in, bears less urgent area, the normal area of negative and positive, dead zone, calculates non-preferential power supply and within a specified time consider in real time
Climbing rate, the lower general power that can be adjusted downwards of output bound constraintIt enablesα1It is given coefficient, 0 ＜ α1≤ 1, go to step 4；
If ACE is in just urgent area, estimation preferred power supply power can incrementCalculate non-preferential power supply at the appointed time
It is interior to consider the lower general power that be adjusted up of real-time climbing rate, the constraint of output boundAnd ACE is adjusted to
Regulation power needed for just less urgent areaIt enablesGo to step 5；
If ACE is in just less urgent area, normal area, estimate that preferred power supply power can incrementGo to step 6.
Step 3, ifThen the relatively upper wheel of the total real-time command of non-preferential power supply reducesAnd by formula (1), (2)
It calculates preferred power supply always to instruct, terminates this method；
It is calculated if first, then calculating preferred power supply by formula (2) always instructs, and otherwise presses formula (1) and calculates, wherein PtotIt is excellent
The first total real-time command value of power supply epicycle,To take turns real-time command value in preferred power supply,For the current total of preferred power supply
It contributes, S1To set step-length, generally take [200MW, 500MW]；
IfThen the relatively upper wheel of the total real-time command of non-preferential power supply reducesAnd based on formula (3), (4)
It calculates preferred power supply always to instruct, terminates this method；
Wherein,For the drop power total amount of preferred power supply, k1For proportionality coefficient, [0.8,0.9], S are generally takenlIt is single
The maximum step-length that drop output allows, generally takes [300MW, 500MW].
Step 4, ifThen the relatively upper wheel of the total real-time command of non-preferential power supply reduces α1|Pall|, and allow preferential
Power supply, which increases, contributes, and calculating preferred power supply by formula (5)~(7) always instructs, and terminates this method；
Wherein, Pt,nIt can increase space for preferred power supply output,Spare threshold value, k are born for non-preferential power supply2For
Proportionality coefficient generally takes [0.85,1], Sl+Increase the maximum step-length contributed and allowed for single, generally takes [300MW, 500MW]；
IfAndThen the relatively upper wheel of the total real-time command of non-preferential power supply reduces
Preferred power supply keeps present instruction, is calculated preferred power supply by formula (1), (2) and is always instructed, terminates this method；
IfAndThen non-preferential power supply keeps taking turns instruction, and preferred power supply drop is contributed, pressed
Formula (8), (4) calculate preferred power supply and always instruct, and terminate this method；
Wherein, k3For proportionality coefficient, generally take [0.75,0.9].
Step 5, ifThe increasing power generating value and total instruction that preferred power supply is contributed are calculated by formula (9), (7), it is non-preferential
The relatively upper wheel of power supply always instruction increasesTerminate this method；Wherein,It contributes for the increasing of current time preferred power supply
Value；
Wherein, k4For proportionality coefficient, generally take [0.85,1]；
IfThen preferred power supply keeps present instruction, is calculated preferred power supply by formula (1), (2) and is always instructed, non-preferential
The relatively upper wheel of power supply always instruction increasesTerminate this method.
Step 6, ifIt is then calculated preferred power supply by formula (10), (7) and is always instructed, in non-preferential power supply holding
The total instruction of wheel, terminates this method；
Wherein, k5For proportionality coefficient, generally take [0.8,0.98]；
IfThen by formula (11), (7) calculate preferred power supply always instruct, non-preferential power supply always instruction compared with
Upper wheel increasesTerminate this method；
IfThen preferred power supply increases by instruction, the relatively upper wheel of non-preferential power supply always instruction is taken turns in formula (1), (2) holding
AddTerminate this method.
Polymorphic type power supply is divided into preferential consumption power supply and non-preferential consumption power supply by the above method, according to ACE indexs, total tune
Power and its residing section are saved, spare and real-time regulating power is born in conjunction with the non-preferential power supply for participating in adjusting in real time, using " negative
The urgent non-preferential power command of the preferential pressure drop in area, other control zones preferentially increase preferred power supply instruction " strategy unified calculation it is excellent
The real time control command of first power supply and non-preferential power supply, while realizing that multiple-energy-source combines real-time frequency modulation, peak regulation so that wind
Real-time total instruction of electricity, photovoltaic isopreference consumption power supply maximizes, and promotes the maximization consumption of the new energy such as wind, light, meanwhile, it is more
Source unification, automatic Collaborative Control can also simplify real-time control system, and greatly mitigate the work pressure of management and running personnel
Power.
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 (8)
1. the active real-time collaborative control method of polymorphic type power supply based on the sections ACE, it is characterised in that：Include the following steps,
Step 1, it is preferred power supply that definition, which participates in the renewable class power supply that power grid is adjusted in real time, and non-renewable class power supply is non-preferential
Power supply；
Calculate ACE and total regulation power Pall, determine the control zone residing for ACE；
Step 2, it if ACE, which is in, bears urgent area, enablesGo to step 3；Wherein,To incite somebody to action
ACE is adjusted to the regulation power needed for negative less urgent area；When to be in negative urgent area, non-preferential power supply is when specified
It is interior to consider the lower general power that adjusted downwards of real-time climbing rate, the constraint of output bound；
If ACE, which is in, bears less urgent area, the normal area of negative and positive, dead zone, enableGo to step 4；Its
In, α1It is given coefficient；When to be in negative less urgent area, the normal area of negative and positive, dead zone, non-preferential power supply is at the appointed time
It is interior to consider the lower general power that adjusted downwards of real-time climbing rate, the constraint of output bound；
If ACE is in just urgent area, enableGo to step 5；Wherein,It is just secondary for ACE to be adjusted to
Regulation power needed for urgent area,It can increment for preferred power supply power
If ACE is in just less urgent area, normal area, estimate that preferred power supply power can incrementGo to step 6；
Step 3, ifThen the relatively upper wheel of the total real-time command of non-preferential power supply reducesPreferred power supply is calculated always to refer to
It enables, terminates this method；
IfThen the relatively upper wheel of the total real-time command of non-preferential power supply reducesIt calculates preferred power supply always to instruct, tie
Beam this method；
Step 4, ifThen the relatively upper wheel of the total real-time command of non-preferential power supply reduces α1|Pall|, and preferred power supply is allowed to increase
It contributes, calculates preferred power supply and always instruct, terminate this method；
IfAndThen the relatively upper wheel of the total real-time command of non-preferential power supply reducesPreferential electricity
Source keeps present instruction, calculates preferred power supply and always instructs, terminates this method；
IfAndThen non-preferential power supply keeps taking turns instruction, and preferred power supply drop is contributed, calculated excellent
First power supply always instructs, and terminates this method；
Step 5, ifCalculate the increasing power generating value and total instruction that preferred power supply is contributed, the relatively upper wheel of non-preferential power supply always instruction
IncreaseTerminate this method；Wherein,For the increasing power generating value of current time preferred power supply；
IfThen preferred power supply keeps present instruction, calculates preferred power supply and always instructs, non-preferential power supply is always in instruction relatively
Wheel increasesTerminate this method；Wherein,When to be in just urgent area, non-preferential power supply
Within a specified time consider the lower general power that can be adjusted up of real-time climbing rate, the constraint of output bound；
Step 6, ifIt then calculates preferred power supply always to instruct, non-preferential power supply keeps the total instruction of wheel, terminates this
Method；
IfIt then calculates preferred power supply always to instruct, the relatively upper wheel of non-preferential power supply always instruction increasesTerminate this method：
IfThen preferred power supply keeps taking turns instruction, and the relatively upper wheel of non-preferential power supply always instruction increasesTerminate this method.
2. the active real-time collaborative control method of the polymorphic type power supply according to claim 1 based on the sections ACE, feature exist
In：In step 3When, in step 4AndWhen and step 5 inWhen,
It is formula (1), (2) to calculate the formula that always instructs of preferred power supply, in step 6When, preferred power supply is protected by formula (1), (2)
Hold wheel instruction；
It is calculated if first, then calculating preferred power supply by formula (2) always instructs, and otherwise presses formula (1) and calculates, wherein PtotFor preferential electricity
The total real-time command value of source epicycle,To take turns real-time command value in preferred power supply,For the current gross capability of preferred power supply,
S1To set step-length.
3. the active real-time collaborative control method of the polymorphic type power supply according to claim 1 based on the sections ACE, feature exist
In：In step 3,When, calculating the formula that preferred power supply always instructs is,
Wherein,For the drop power total amount of preferred power supply, k1For proportionality coefficient, Sl-For single, the maximum step-length contributed and allowed drops,
PtotFor the total real-time command value of preferred power supply epicycle,For the current gross capability of preferred power supply.
4. the active real-time collaborative control method of the polymorphic type power supply according to claim 1 based on the sections ACE, feature exist
In：In step 4,When, it calculates preferred power supply and always instructs formula,
Wherein, Pt,nIt can increase space for preferred power supply output,It is spare for bearing for non-preferential power supply,It is non-optimum
First power supply bears spare threshold value, k2For proportionality coefficient, Sl+Increase the maximum step-length contributed and allowed for single,For preferential electricity
The current gross capability in source, PtotFor the total real-time command value of preferred power supply epicycle.
5. the active real-time collaborative control method of the polymorphic type power supply according to claim 1 based on the sections ACE, feature exist
In：In step 4,AndWhen, it calculates preferred power supply and always instructs formula,
Wherein,For the drop power total amount of preferred power supply, k3For proportionality coefficient, Sl-For single, the maximum step-length contributed and allowed drops,
PtotFor the total real-time command value of preferred power supply epicycle,For the current gross capability of preferred power supply.
6. the active real-time collaborative control method of the polymorphic type power supply according to claim 1 based on the sections ACE, feature exist
In：In step 5,When, the increasing power generating value that preferred power supply is contributed and the formula always instructed are calculated,
Wherein, k4For proportionality coefficient, Sl+Increase the maximum step-length contributed and allowed for single,Current for preferred power supply always goes out
Power, PtotFor the total real-time command value of preferred power supply epicycle.
7. the active real-time collaborative control method of the polymorphic type power supply according to claim 1 based on the sections ACE, feature exist
In：In step 6,When, it calculates preferred power supply and always instructs formula,
Wherein,It is spare for bearing for non-preferential power supply,Spare threshold value, k are born for non-preferential power supply5For
Proportionality coefficient, Sl+Increase the maximum step-length contributed and allowed for single,For the current gross capability of preferred power supply, PtotFor preferential electricity
The total real-time command value of source epicycle.
8. the active real-time collaborative control method of the polymorphic type power supply according to claim 1 based on the sections ACE, feature exist
In：In step 6,When, it calculates preferred power supply and always instructs formula,
Wherein, Sl+Increase the maximum step-length contributed and allowed for single,For the current gross capability of preferred power supply, PtotFor preferential electricity
The total real-time command value of source epicycle.
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| CN110707757A (en) * | 2019-10-24 | 2020-01-17 | 国网新疆电力有限公司 | Multi-type energy hierarchical coordination control method based on new energy consumption |
| CN112234615A (en) * | 2020-10-09 | 2021-01-15 | 国网青海省电力公司 | Method and system for calculating new energy development cooperative efficiency |
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