CN107181255B - Method and device for adjusting out-of-limit electric quantity of unit - Google Patents

Method and device for adjusting out-of-limit electric quantity of unit Download PDF

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CN107181255B
CN107181255B CN201710237414.XA CN201710237414A CN107181255B CN 107181255 B CN107181255 B CN 107181255B CN 201710237414 A CN201710237414 A CN 201710237414A CN 107181255 B CN107181255 B CN 107181255B
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electric quantity
unit
transaction
limit
limit electric
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CN107181255A (en
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黄国栋
丁强
朱泽磊
戴赛
崔晖
杨军峰
刘力华
王斌
罗治强
李旻
张宏图
过夏明
孙毅
陈伟为
程鑫
李锴
夏少连
姜曼
罗卫华
张晓天
许丹
蔡帜
李博
胡晨旭
张传成
燕京华
门德月
张加力
李培军
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State Grid Corp of China SGCC
State Grid Zhejiang Electric Power Co Ltd
China Electric Power Research Institute Co Ltd CEPRI
State Grid Sichuan Electric Power Co Ltd
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State Grid Corp of China SGCC
State Grid Zhejiang Electric Power Co Ltd
China Electric Power Research Institute Co Ltd CEPRI
State Grid Sichuan Electric Power Co Ltd
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00Circuit arrangements for ac mains or ac distribution networks
    • H02J3/008Circuit arrangements for ac mains or ac distribution networks involving trading of energy or energy transmission rights
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00Circuit arrangements for ac mains or ac distribution networks
    • H02J3/38Arrangements for parallely feeding a single network by two or more generators, converters or transformers
    • H02J3/46Controlling of the sharing of output between the generators, converters, or transformers

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  • Supply And Distribution Of Alternating Current (AREA)

Abstract

The invention provides a method and a device for adjusting out-of-limit electric quantity of a unit, wherein the method comprises the following steps: determining out-of-limit electric quantity of the unit and out-of-limit electric quantity of the unit group, and calculating initial adjustment electric quantity of the unit in transaction; and determining the final adjustment electric quantity of the unit in the transaction. The method and the device for adjusting the unit out-of-limit electric quantity solve the problems that the unit electric quantity possibly causes heavy load and out-of-limit on the operation of a power grid in a quantitative mode, adjust the secondary transaction electric quantity based on the transaction reverse ordering, comprehensively consider the out-of-limit electric quantity of the unit and the unit group out-of-limit electric quantity, reversely order transactions according to the principle of 'later generation and first adjustment', distribute the out-of-limit electric quantity to the units in each transaction according to the distribution principle, comprehensively consider the adjustment of the secondary transaction electric quantity, realize the adjustment of the transaction electric quantity, and have feasibility and rapidity in the adjustment of the transaction electric quantity.

Description

Method and device for adjusting out-of-limit electric quantity of unit
Technical Field
The invention relates to the technical field of power system scheduling, in particular to a method and a device for adjusting out-of-limit electric quantity of a unit.
Background
At present, a short-term scheduling plan compiling method taking safety constraint scheduling as a core technology is widely applied to each network and a power-saving scheduling control center, and the short-term scheduling plan checks and adjusts the power plan through a day-ahead safety check, so that the safety and stability of the operation of a system are ensured.
With the rapid development of new energy and the promotion of market reformation, the annual planned electric quantity is gradually replaced by the medium-and-long-term market trading electric quantity, the rigidity requirement of annual electric quantity regulation is gradually strengthened, the safety margin of a power grid is reduced due to the imbalance of the generated electric quantity and the uncertainty of a trading result, and the medium-and-long-term electric energy planning (trading) safety check is particularly important. The medium-and-long-term electric quantity checking checks and adjusts the out-of-limit caused by various transactions, so that the performability of the transactions and the safety of a power grid are guaranteed. As an electric power production entity, a unit or a power plant is extremely important to check the out-of-limit caused by trading. In practice, at the current medium-long term scheduling level, year-month and month-day decomposition of the power plan is emphasized, on one hand, power verification is mainly based on manual experience, on the other hand, an adjusting method considering the power overrun of a machine group is lacked, and a method for quantitatively eliminating the power overrun of the machine group and the machine group is also lacked.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a method and a device for adjusting the out-of-limit electric quantity of a unit, which are used for adjusting the secondary transaction electric quantity based on the reverse transaction sequencing, comprehensively considering the out-of-limit electric quantity of the unit and the out-of-limit electric quantity of a unit group, reversely sequencing the transactions according to the principle of 'later generation and first adjustment', distributing the out-of-limit electric quantity to the units in each transaction according to the distribution principle, and comprehensively considering the adjustment of the secondary transaction electric quantity to realize the adjustment of the transaction electric quantity.
In order to achieve the purpose of the invention, the invention adopts the following technical scheme:
the invention provides a method for adjusting out-of-limit electric quantity of a unit, which comprises the following steps:
determining the out-of-limit electric quantity of the unit according to the limit electric quantity of the unit, and determining the out-of-limit electric quantity of the unit group according to the limit electric quantity of the unit group;
calculating initial adjustment electric quantity of the machine set in the transaction according to the out-of-limit electric quantity of the machine set and the out-of-limit electric quantity of the machine set group;
and determining the final adjustment electric quantity of the unit in the transaction according to the initial adjustment electric quantity of the unit in the transaction.
Before determining the out-of-limit electric quantity of the unit according to the limit electric quantity of the unit, the method comprises the following steps:
acquiring transaction starting time, transaction ending time, transaction electric quantity of a unit, limit electric quantity of the unit and limit electric quantity of a unit group;
and reversely ordering the transactions according to the transaction starting time, and numbering the transaction times.
The determining the out-of-limit electric quantity of the unit according to the limit electric quantity of the unit comprises the following steps:
the out-of-limit electric quantity of the unit is represented by the following formula:
Figure BDA0001268405410000021
wherein, is Δ QiIndicating out-of-limit power, Q, of unit ii,nRepresents the transaction electric quantity, Q, of the unit i in the nth transactioniThe limit electric quantity of the unit i is represented, N is 1,2, …, and N represents the total number of transactions.
The determining the out-of-limit electric quantity of the machine group according to the limit electric quantity of the machine group comprises the following steps:
the out-of-limit electric quantity of the machine group is represented by the following formula:
Figure BDA0001268405410000022
wherein, Δ GjRepresents the out-of-limit electric quantity, Q, of the set group ji,nRepresenting the amount of electricity of the unit i in the nth transaction, GjThe limit electric quantity of the machine group j is represented, I is 1,2, …, and I represents the total number of the machine groups in the machine group j.
The step of calculating the initial adjustment electric quantity of the unit in the transaction according to the out-of-limit electric quantity of the unit and the out-of-limit electric quantity of the unit group respectively comprises the following steps:
the initial adjustment electric quantity of the machine set in the transaction obtained according to the out-of-limit electric quantity of the machine set is represented by the following formula:
Figure BDA0001268405410000023
wherein, delta U'i,nIndicating the initial adjusted electric quantity, Q, of the unit i in the nth transaction obtained from the out-of-limit electric quantity of the uniti,n-1Represents the transaction electric quantity, delta Q, of the unit i in the n-1 th transactioni,nAnd (4) indicating the transaction electric quantity adjustment quantity of the unit i in the nth transaction.
The step of calculating the initial adjustment electric quantity of the unit in the transaction according to the out-of-limit electric quantity of the unit and the out-of-limit electric quantity of the unit group respectively comprises the following steps:
the initial adjustment electric quantity of the machine set in the transaction obtained according to the out-of-limit electric quantity of the machine set group is represented by the following formula:
Figure BDA0001268405410000031
wherein, Delta U ″)i,nIndicating the initial adjustment electric quantity of the unit i in the nth transaction according to the out-of-limit electric quantity of the unit group,
Figure BDA0001268405410000032
the adjustment quantity of the transaction electric quantity distributed by the unit i due to the out-of-limit of the unit group is shown,
Figure BDA0001268405410000033
represented by the formula:
Figure BDA0001268405410000034
the step of determining the final adjustment electric quantity of the unit in the transaction according to the initial adjustment electric quantity of the unit in the transaction comprises the following steps:
according to delta U'i,nAnd Δ U ″)i,nThe final adjustment electric quantity of the unit in the transaction is represented by the following formula:
ΔUi,n=max{ΔU′i,n,ΔU″i,n}
wherein, Delta Ui,nAnd the final adjustment electric quantity of the unit i in the nth transaction is shown.
The invention also provides a device for adjusting the out-of-limit electric quantity of the unit, which comprises:
the first determining module is used for determining the out-of-limit electric quantity of the unit according to the limit electric quantity of the unit and determining the out-of-limit electric quantity of the unit group according to the limit electric quantity of the unit group;
the calculation module is used for calculating the initial adjustment electric quantity of the unit in the transaction according to the out-of-limit electric quantity of the unit and the out-of-limit electric quantity of the unit group;
and the second determining module is used for determining the final adjustment electric quantity of the unit in the transaction according to the initial adjustment electric quantity of the unit in the transaction.
The device further comprises:
the acquisition module is used for acquiring transaction starting time, transaction ending time, transaction electric quantity of the unit, limit electric quantity of the unit and limit electric quantity of the unit group;
and the sequencing module is used for reversely sequencing the transactions according to the transaction starting time acquired by the acquisition module and numbering the transaction times.
The first determining module is specifically configured to:
the out-of-limit electric quantity of the unit is represented by the following formula:
Figure BDA0001268405410000035
wherein, is Δ QiIndicating out-of-limit power, Q, of unit ii,nRepresents the transaction electric quantity, Q, of the unit i in the nth transactioniThe limit electric quantity of the unit i is represented, N is 1,2, …, and N represents the total number of transactions.
The first determining module is specifically configured to:
the out-of-limit electric quantity of the machine group is represented by the following formula:
Figure BDA0001268405410000041
wherein, Δ GjRepresents the out-of-limit electric quantity, Q, of the set group ji,nRepresenting the amount of electricity of the unit i in the nth transaction, GjThe limit electric quantity of the machine group j is represented, I is 1,2, …, and I represents the total number of the machine groups in the machine group j.
The calculation module is specifically configured to:
the initial adjustment electric quantity of the machine set in the transaction obtained according to the out-of-limit electric quantity of the machine set is represented by the following formula:
Figure BDA0001268405410000042
wherein, delta U'i,nIndicating the initial adjusted electric quantity, Q, of the unit i in the nth transaction obtained from the out-of-limit electric quantity of the uniti,n-1Represents the transaction electric quantity, delta Q, of the unit i in the n-1 th transactioni,nIndicating the unit in the nth transactioni transaction power adjustment amount.
The calculation module is specifically configured to:
the initial adjustment electric quantity of the machine set in the transaction obtained according to the out-of-limit electric quantity of the machine set group is represented by the following formula:
Figure BDA0001268405410000043
wherein, Delta U ″)i,nIndicating the initial adjustment electric quantity of the unit i in the nth transaction according to the out-of-limit electric quantity of the unit group,
Figure BDA0001268405410000044
the adjustment quantity of the transaction electric quantity distributed by the unit i due to the out-of-limit of the unit group is shown,
Figure BDA0001268405410000045
represented by the formula:
Figure BDA0001268405410000046
the second determining module is specifically configured to:
according to delta U'i,nAnd Δ U ″)i,nThe final adjustment electric quantity of the unit in the transaction is represented by the following formula:
ΔUi,n=max{ΔU′i,n,ΔU″i,n}
wherein, Delta Ui,nAnd the final adjustment electric quantity of the unit i in the nth transaction is shown.
Compared with the closest prior art, the technical scheme provided by the invention has the following beneficial effects:
the invention provides a method and a device for adjusting out-of-limit electric quantity of a unit, which are characterized in that the out-of-limit electric quantity of the unit is determined according to the limit electric quantity of the unit, the out-of-limit electric quantity of the unit group is determined according to the limit electric quantity of the unit group, and then the initial adjustment electric quantity of the unit in a transaction is calculated according to the out-of-limit electric quantity of the unit and the out-of-limit electric quantity of the unit group; finally, determining the final adjustment electric quantity of the unit in the transaction according to the initial adjustment electric quantity of the unit in the transaction, and finally realizing the adjustment of the out-of-limit electric quantity of the unit;
the method and the device for adjusting the unit out-of-limit electric quantity solve the problems that the unit electric quantity possibly causes heavy load and out-of-limit on the operation of a power grid in a quantitative mode, adjust the secondary transaction electric quantity based on the transaction reverse ordering, comprehensively consider the out-of-limit electric quantity of the unit and the unit group out-of-limit electric quantity, reversely order transactions according to the principle of 'later generation and first adjustment', distribute the out-of-limit electric quantity to the units in each transaction according to the distribution principle, comprehensively consider the adjustment of the secondary transaction electric quantity, realize the adjustment of the transaction electric quantity, and have feasibility and rapidity in the adjustment of the transaction electric quantity.
Drawings
Fig. 1 is a flowchart of a method for adjusting the out-of-limit electric quantity of the unit according to the embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The method and the device for adjusting the unit out-of-limit electric quantity solve the problems that the unit electric quantity possibly causes heavy load and out-of-limit on the operation of a power grid in a quantitative mode, adjust the secondary transaction electric quantity based on the transaction reverse ordering, comprehensively consider the out-of-limit electric quantity of the unit and the unit group out-of-limit electric quantity, reversely order transactions according to the principle of 'later generation and first adjustment', distribute the out-of-limit electric quantity to the units in each transaction according to the distribution principle, and comprehensively consider the adjustment of the secondary transaction electric quantity to realize the adjustment of the transaction electric quantity.
As shown in fig. 1, the specific process of the method for adjusting the out-of-limit electric quantity of the unit provided by the embodiment of the present invention is as follows:
s101: determining the out-of-limit electric quantity of the unit according to the limit electric quantity of the unit, and determining the out-of-limit electric quantity of the unit group according to the limit electric quantity of the unit group;
s102: calculating initial adjustment electric quantity of the machine set in the transaction according to the out-of-limit electric quantity of the machine set and the out-of-limit electric quantity of the machine set group obtained in the step S101;
s103: and determining the final adjustment electric quantity of the unit in the transaction according to the initial adjustment electric quantity of the unit in the transaction obtained in the step S102.
Before determining the out-of-limit electric quantity of the unit according to the limit electric quantity of the unit in the above step S101, the following operations are also required to be performed:
firstly, acquiring transaction starting time, transaction ending time, transaction electric quantity of a unit, limit electric quantity of the unit and limit electric quantity of a unit group;
and then, reversely ordering the transactions according to the acquired transaction starting time, and numbering the transaction times.
In the above S101, the specific process of determining the out-of-limit electric quantity of the unit according to the limit electric quantity of the unit is as follows:
accumulating the monthly electric quantity of the same set in the transaction according to the sequence of the transaction numbers, and comparing the monthly electric quantity with the limit electric quantity of the set to obtain the out-of-limit electric quantity of the set shown as the following formula:
Figure BDA0001268405410000061
wherein, is Δ QiIndicating out-of-limit power, Q, of unit ii,nRepresents the transaction electric quantity, Q, of the unit i in the nth transactioniThe limit electric quantity of the unit i is represented, N is 1,2, …, and N represents the total number of transactions.
In the above S101, the specific process of determining the out-of-limit electric quantity of the group according to the limit electric quantity of the group is as follows:
accumulating the transaction electric quantity of each machine set in each transaction machine set group j according to the sequence of the transaction serial numbers, and comparing the transaction electric quantity with the limit electric quantity of the machine set group to obtain the out-of-limit electric quantity of the machine set group shown as the following formula:
Figure BDA0001268405410000062
wherein, Δ GjRepresents the out-of-limit electric quantity, Q, of the set group ji,nRepresenting the amount of electricity of the unit i in the nth transaction, GjThe limit electric quantity of the machine group j is represented, I is 1,2, …, I,i represents the total number of units in the unit group j.
In the above step S102, calculating the initial adjustment electric quantity of the unit in the transaction according to the out-of-limit electric quantity of the unit and the out-of-limit electric quantity of the unit group obtained in step S101 includes the following two aspects:
1) obtaining the initial adjustment electric quantity of the machine set in the transaction according to the out-of-limit electric quantity of the machine set;
2) and obtaining the initial adjustment electric quantity of the machine set in the transaction according to the out-of-limit electric quantity of the machine set group.
The specific process of the initial adjustment electric quantity of the machine set in the transaction obtained according to the out-of-limit electric quantity of the machine set is as follows:
the out-of-limit electric quantity of the unit is distributed according to the transaction number and following the following distribution principle in sequence:
if the out-of-limit electric quantity is smaller than the electric quantity of the unit i in the first transaction, the adjustment quantity of the first transaction unit i is the out-of-limit electric quantity; if the out-of-limit electric quantity is larger than the electric quantity of the unit i in the first transaction, the adjustment quantity of the unit i in the first transaction is the transaction electric quantity, then the rest out-of-limit electric quantity is distributed in the second transaction, and the like until the out-of-limit electric quantity of the unit is completely eliminated. According to the distribution principle, the initial adjustment electric quantity of the unit in the transaction obtained according to the out-of-limit electric quantity of the unit is expressed as follows: :
Figure BDA0001268405410000071
wherein, delta U'i,nIndicating the initial adjusted electric quantity, Q, of the unit i in the nth transaction obtained from the out-of-limit electric quantity of the uniti,n-1Represents the transaction electric quantity, delta Q, of the unit i in the n-1 th transactioni,nAnd (4) indicating the transaction electric quantity adjustment quantity of the unit i in the nth transaction.
The specific process of the initial adjustment electric quantity of the machine set in the transaction obtained according to the out-of-limit electric quantity of the machine set group is as follows:
if the out-of-limit electric quantity is smaller than the electric quantity of the unit i in the first transaction, the adjustment quantity of the first transaction unit i is the out-of-limit electric quantity; if the out-of-limit electric quantity is larger than the electric quantity of the unit i in the first transaction, the adjustment quantity of the unit i in the first transaction is the transaction electric quantity, then the rest out-of-limit electric quantity is distributed in the second transaction, and the like until the out-of-limit electric quantity of the unit is completely eliminated. According to the distribution principle, the initial adjustment electric quantity of the machine set in the transaction obtained according to the out-of-limit electric quantity of the machine set group is represented as follows:
Figure BDA0001268405410000072
wherein, Delta U ″)i,nIndicating the initial adjustment electric quantity of the unit i in the nth transaction according to the out-of-limit electric quantity of the unit group,
Figure BDA0001268405410000073
the trading electric quantity adjustment quantity distributed by the machine group I due to the out-of-limit of the machine group is represented, the out-of-limit electric quantity of the machine group is distributed to the corresponding machine group according to the proportion of the trading electric quantity of each machine group, and then the out-of-limit electric quantity of the machine group is distributed to the corresponding machine group
Figure BDA0001268405410000074
Expressed as:
Figure BDA0001268405410000075
in the above step S103, the specific process of determining the final adjustment electric quantity of the unit in the transaction according to the initial adjustment electric quantity of the unit in the transaction obtained in step S102 is as follows:
delta U 'obtained from S102'i,nAnd Δ U ″)i,nThe final adjustment electric quantity of the unit in the transaction is represented by the following formula:
ΔUi,n=max{ΔU′i,n,ΔU″i,n}
wherein, Delta Ui,nAnd the final adjustment electric quantity of the unit i in the nth transaction is shown.
Based on the same inventive concept, the embodiment of the invention also provides a device for adjusting the out-of-limit electric quantity of the unit, and because the principle of solving the problems of the devices is similar to the method for adjusting the out-of-limit electric quantity of the unit, the implementation of the devices can refer to the implementation of the method, and repeated parts are not described again.
The device for adjusting the out-of-limit electric quantity of the unit provided by the embodiment of the invention specifically comprises a first determining module, a calculating module and a second determining module, and the functions of the three modules are respectively described as follows:
the first determining module is used for determining the out-of-limit electric quantity of the unit according to the limit electric quantity of the unit and determining the out-of-limit electric quantity of the unit group according to the limit electric quantity of the unit group;
the calculation module is used for calculating the initial adjustment electric quantity of the unit in the transaction according to the out-of-limit electric quantity of the unit and the out-of-limit electric quantity of the unit group;
and the second determining module is used for determining the final adjustment electric quantity of the unit in the transaction according to the initial adjustment electric quantity of the unit in the transaction.
In addition to the first determining module, the calculating module and the second determining module, the device for adjusting the out-of-limit electric quantity of the unit according to the embodiment of the present invention further includes an obtaining module and a sorting module, where the obtaining module and the sorting module respectively have functions of:
the acquisition module is used for acquiring transaction starting time, transaction ending time, transaction electric quantity of the unit, limit electric quantity of the unit and limit electric quantity of the unit group;
and the sequencing module is used for reversely sequencing the transactions according to the transaction starting time acquired by the acquisition module and numbering the transaction times.
The specific process of the first determining module determining the out-of-limit electric quantity of the unit according to the limit electric quantity of the unit is as follows:
accumulating the monthly electric quantity of the same set in the transaction according to the sequence of the transaction numbers, and comparing the monthly electric quantity with the limit electric quantity of the set to obtain the out-of-limit electric quantity of the set shown as the following formula:
Figure BDA0001268405410000081
wherein, is Δ QiIndicating out-of-limit power, Q, of unit ii,nIndicating the nth transactionTrade electric quantity Q of middle set iiThe limit electric quantity of the unit i is represented, N is 1,2, …, and N represents the total number of transactions.
The specific process of the first determining module determining the out-of-limit electric quantity of the machine group according to the limit electric quantity of the machine group is as follows:
accumulating the transaction electric quantity of each machine set in each transaction machine set group j according to the sequence of the transaction serial numbers, and comparing the transaction electric quantity with the limit electric quantity of the machine set group to obtain the out-of-limit electric quantity of the machine set group shown as the following formula:
Figure BDA0001268405410000082
wherein, Δ GjRepresents the out-of-limit electric quantity, Q, of the set group ji,nRepresenting the amount of electricity of the unit i in the nth transaction, GjThe limit electric quantity of the machine group j is represented, I is 1,2, …, and I represents the total number of the machine groups in the machine group j.
The specific process of the calculation module for calculating the initial adjustment electric quantity of the unit in the transaction according to the out-of-limit electric quantity of the unit is as follows:
the out-of-limit electric quantity of the unit is distributed according to the transaction number and following the following distribution principle in sequence:
if the out-of-limit electric quantity is smaller than the electric quantity of the unit i in the first transaction, the adjustment quantity of the first transaction unit i is the out-of-limit electric quantity; if the out-of-limit electric quantity is larger than the electric quantity of the unit i in the first transaction, the adjustment quantity of the unit i in the first transaction is the transaction electric quantity, then the rest out-of-limit electric quantity is distributed in the second transaction, and the like until the out-of-limit electric quantity of the unit is completely eliminated. According to the distribution principle, the initial adjustment electric quantity of the unit in the transaction obtained according to the out-of-limit electric quantity of the unit is expressed as follows:
Figure BDA0001268405410000091
wherein, delta U'i,nIndicating the initial adjusted electric quantity, Q, of the unit i in the nth transaction obtained from the out-of-limit electric quantity of the uniti,n-1Represents the transaction electric quantity, delta Q, of the unit i in the n-1 th transactioni,nAnd (4) indicating the transaction electric quantity adjustment quantity of the unit i in the nth transaction.
The specific process of the calculation module for calculating the initial adjustment electric quantity of the unit in the transaction according to the out-of-limit electric quantity of the unit group is as follows:
if the out-of-limit electric quantity is smaller than the electric quantity of the unit i in the first transaction, the adjustment quantity of the first transaction unit i is the out-of-limit electric quantity; if the out-of-limit electric quantity is larger than the electric quantity of the unit i in the first transaction, the adjustment quantity of the unit i in the first transaction is the transaction electric quantity, then the rest out-of-limit electric quantity is distributed in the second transaction, and the like until the out-of-limit electric quantity of the unit is completely eliminated. According to the distribution principle, the initial adjustment electric quantity of the machine set in the transaction obtained according to the out-of-limit electric quantity of the machine set group is represented as follows:
Figure BDA0001268405410000092
wherein, Delta U ″)i,nIndicating the initial adjustment electric quantity of the unit i in the nth transaction according to the out-of-limit electric quantity of the unit group,
Figure BDA0001268405410000093
the trading electric quantity adjustment quantity distributed by the machine group I due to the out-of-limit of the machine group is represented, the out-of-limit electric quantity of the machine group is distributed to the corresponding machine group according to the proportion of the trading electric quantity of each machine group, and then the out-of-limit electric quantity of the machine group is distributed to the corresponding machine group
Figure BDA0001268405410000094
Expressed as:
Figure BDA0001268405410000095
the specific process of the second determining module determining the final adjustment electric quantity of the unit in the transaction according to the initial adjustment electric quantity of the unit in the transaction is as follows:
according to delta U'i,nAnd Δ U ″)i,nResulting transactionThe final adjustment electric quantity of the medium unit is represented by the following formula:
ΔUi,n=max{ΔU′i,n,ΔU″i,n}
wherein, Delta Ui,nAnd the final adjustment electric quantity of the unit i in the nth transaction is shown.
For convenience of description, each part of the above-described apparatus is separately described as being functionally divided into various modules or units. Of course, the functionality of the various modules or units may be implemented in the same one or more pieces of software or hardware when implementing the present application.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
Finally, it should be noted that: the above embodiments are only intended to illustrate the technical solution of the present invention and not to limit the same, and a person of ordinary skill in the art can make modifications or equivalents to the specific embodiments of the present invention with reference to the above embodiments, and such modifications or equivalents without departing from the spirit and scope of the present invention are within the scope of the claims of the present invention as set forth in the claims.

Claims (2)

1. A method for adjusting out-of-limit electric quantity of a unit is characterized by comprising the following steps:
determining the out-of-limit electric quantity of the unit according to the limit electric quantity of the unit, and determining the out-of-limit electric quantity of the unit group according to the limit electric quantity of the unit group;
calculating initial adjustment electric quantity of the machine set in the transaction according to the out-of-limit electric quantity of the machine set and the out-of-limit electric quantity of the machine set group;
determining the final adjustment electric quantity of the unit in the transaction according to the initial adjustment electric quantity of the unit in the transaction;
before determining the out-of-limit electric quantity of the unit according to the limit electric quantity of the unit, the method comprises the following steps:
acquiring transaction starting time, transaction ending time, transaction electric quantity of a unit, limit electric quantity of the unit and limit electric quantity of a unit group;
reversely ordering the transactions according to the transaction starting time, and numbering the transaction times;
the determining the out-of-limit electric quantity of the unit according to the limit electric quantity of the unit comprises the following steps:
the out-of-limit electric quantity of the unit is represented by the following formula:
Figure FDA0002799201960000011
wherein, is Δ QiIndicating out-of-limit power, Q, of unit ii,nRepresents the transaction electric quantity, Q, of the unit i in the nth transactioniThe limit electric quantity of the unit i is represented, N is 1,2, …, and N represents the total number of transactions;
the determining the out-of-limit electric quantity of the machine group according to the limit electric quantity of the machine group comprises the following steps:
the out-of-limit electric quantity of the machine group is represented by the following formula:
Figure FDA0002799201960000012
wherein, Δ GjRepresents the out-of-limit electric quantity, Q, of the set group ji,nRepresenting the amount of electricity of the unit i in the nth transaction, GjThe limit electric quantity of the machine group j is represented, I is 1,2, …, and I represents the total number of the machine groups in the machine group j; the step of calculating the initial adjustment electric quantity of the unit in the transaction according to the out-of-limit electric quantity of the unit and the out-of-limit electric quantity of the unit group respectively comprises the following steps:
the initial adjustment electric quantity of the machine set in the transaction obtained according to the out-of-limit electric quantity of the machine set is represented by the following formula:
Figure FDA0002799201960000013
wherein, delta U'i,nIndicating the initial adjusted electric quantity, Q, of the unit i in the nth transaction obtained from the out-of-limit electric quantity of the uniti,n-1Represents the transaction electric quantity, delta Q, of the unit i in the n-1 th transactioni,nThe method comprises the steps of representing the transaction electric quantity adjustment quantity of a unit i in the nth transaction;
the step of calculating the initial adjustment electric quantity of the unit in the transaction according to the out-of-limit electric quantity of the unit and the out-of-limit electric quantity of the unit group respectively comprises the following steps:
the initial adjustment electric quantity of the machine set in the transaction obtained according to the out-of-limit electric quantity of the machine set group is represented by the following formula:
Figure FDA0002799201960000021
wherein, Delta U ″)i,nIndicating the initial adjustment electric quantity of the unit i in the nth transaction according to the out-of-limit electric quantity of the unit group,
Figure FDA0002799201960000022
the adjustment quantity of the transaction electric quantity distributed by the unit i due to the out-of-limit of the unit group is shown,
Figure FDA0002799201960000023
represented by the formula:
Figure FDA0002799201960000024
the step of determining the final adjustment electric quantity of the unit in the transaction according to the initial adjustment electric quantity of the unit in the transaction comprises the following steps:
according to delta U'i,nAnd Δ U ″)i,nThe final adjustment electric quantity of the unit in the transaction is represented by the following formula:
ΔUi,n=max{ΔU′i,n,ΔU″i,n}
wherein, Delta Ui,nAnd the final adjustment electric quantity of the unit i in the nth transaction is shown.
2. An apparatus for adjusting out-of-limit electric quantity of a unit, the apparatus comprising:
the first determining module is used for determining the out-of-limit electric quantity of the unit according to the limit electric quantity of the unit and determining the out-of-limit electric quantity of the unit group according to the limit electric quantity of the unit group;
the calculation module is used for calculating the initial adjustment electric quantity of the unit in the transaction according to the out-of-limit electric quantity of the unit and the out-of-limit electric quantity of the unit group;
the second determining module is used for determining the final adjustment electric quantity of the unit in the transaction according to the initial adjustment electric quantity of the unit in the transaction;
the device further comprises:
the acquisition module is used for acquiring transaction starting time, transaction ending time, transaction electric quantity of the unit, limit electric quantity of the unit and limit electric quantity of the unit group;
the sequencing module is used for carrying out reverse sequencing on the transactions according to the transaction starting time acquired by the acquisition module and numbering the transaction times;
the first determining module is specifically configured to:
the out-of-limit electric quantity of the unit is represented by the following formula:
Figure FDA0002799201960000031
wherein, is Δ QiIndicating out-of-limit power, Q, of unit ii,nRepresents the transaction electric quantity, Q, of the unit i in the nth transactioniThe limit electric quantity of the unit i is represented, N is 1,2, …, and N represents the total number of transactions;
the first determining module is specifically configured to:
the out-of-limit electric quantity of the machine group is represented by the following formula:
Figure FDA0002799201960000032
wherein, Δ GjRepresents the out-of-limit electric quantity, Q, of the set group ji,nRepresenting the amount of electricity of the unit i in the nth transaction, GjThe limit electric quantity of the machine group j is represented, I is 1,2, …, and I represents the total number of the machine groups in the machine group j; the calculation module is specifically configured to:
the initial adjustment electric quantity of the machine set in the transaction obtained according to the out-of-limit electric quantity of the machine set is represented by the following formula:
Figure FDA0002799201960000033
wherein, delta U'i,nIndicating the initial adjusted electric quantity, Q, of the unit i in the nth transaction obtained from the out-of-limit electric quantity of the uniti,n-1Represents the transaction electric quantity, delta Q, of the unit i in the n-1 th transactioni,nThe method comprises the steps of representing the transaction electric quantity adjustment quantity of a unit i in the nth transaction; the calculation module is specifically configured to:
the initial adjustment electric quantity of the machine set in the transaction obtained according to the out-of-limit electric quantity of the machine set group is represented by the following formula:
Figure FDA0002799201960000041
wherein, Delta U ″)i,nIndicating the initial adjustment electric quantity of the unit i in the nth transaction according to the out-of-limit electric quantity of the unit group,
Figure FDA0002799201960000042
the adjustment quantity of the transaction electric quantity distributed by the unit i due to the out-of-limit of the unit group is shown,
Figure FDA0002799201960000043
represented by the formula:
Figure FDA0002799201960000044
the second determining module is specifically configured to:
according to delta U'i,nAnd Δ U ″)i,nThe final adjustment electric quantity of the unit in the transaction is represented by the following formula:
ΔUi,n=max{ΔU′i,n,ΔU″i,n}
wherein, Delta Ui,nAnd the final adjustment electric quantity of the unit i in the nth transaction is shown.
CN201710237414.XA 2017-04-12 2017-04-12 Method and device for adjusting out-of-limit electric quantity of unit Active CN107181255B (en)

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