CN110932337A - Electric quantity scheduling method, device and equipment based on water abandoning proportion balance - Google Patents
Electric quantity scheduling method, device and equipment based on water abandoning proportion balance Download PDFInfo
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Abstract
The invention discloses an electric quantity scheduling method based on water abandon proportion equalization, which comprises the following steps: acquiring historical data of power transmission and reception of a power system, and analyzing monthly protocol power generation amount of medium-and long-term frame protocol power from the historical data according to a decomposition ratio; monitoring the actual power generation condition of the generator sets, and calculating the total water abandoning electric quantity and the water abandoning proportion value of each generator set and the average water abandoning proportion value of all the generator sets; distributing the monthly agreement power generation amount to each generator set according to the total water abandoning electric quantity, the water abandoning proportion value and the average water abandoning proportion value; and calculating the daily generated energy of each generator set and adjusting the daily generated energy of the generator sets. The invention provides an electric quantity scheduling method, device and equipment based on water abandon proportion balance, which can transversely share electric quantity among all hydroelectric generating sets based on the water abandon proportion so as to carry out balance control on the water abandon condition of each hydroelectric generating set.
Description
Technical Field
The invention relates to the technical field of power systems, in particular to an electric quantity scheduling method, device and equipment based on water abandoning proportion balance.
Background
In order to promote reasonable optimal allocation of power resources in southern areas and consumption of western clean energy, China implements a 'west-east power transmission' medium-and-long term framework protocol power scheduling plan, and can meet the requirements of all parties and reasonably allocate the water and power resources. With the continuous promotion of the reform of the electric power market in China, the establishment of the electric power spot market in the southern area is a necessary direction for the market development. In the initial stage of development of the spot market, a power generation area with a high proportion of hydroelectric power and a serious water abandon condition exists, especially in a flood season, the water abandon is mainly reduced, and under the condition of comprehensive water abandon, how to balance the water abandon proportion of each generator set needs to be considered so as to reasonably allocate hydroelectric resources.
Disclosure of Invention
In order to solve the technical problems, the invention provides an electric quantity scheduling method, device and equipment based on water abandoning proportion balance, which can be used for transversely distributing electric quantity among all the hydroelectric generating sets based on the water abandoning proportion so as to perform balance control on the water abandoning condition of each hydroelectric generating set. The technical scheme is as follows:
in a first aspect, an embodiment of the present invention provides an electric quantity scheduling method based on water abandoning proportion equalization, including:
acquiring historical data of power transmission and reception of a power system, and analyzing monthly protocol power generation amount of medium-and long-term frame protocol power from the historical data according to a decomposition ratio;
monitoring the actual power generation condition of the generator sets, and calculating the total water abandoning electric quantity and the water abandoning proportion value of each generator set and the average water abandoning proportion value of all the generator sets;
distributing the monthly agreement power generation amount to each generator set according to the total water abandoning electric quantity, the water abandoning proportion value and the average water abandoning proportion value;
and calculating the daily generated energy of each generator set and adjusting the daily generated energy of the generator sets.
In a first possible implementation manner of the first aspect of the present invention, the acquiring historical data of power transmission and reception of the power system and analyzing monthly protocol power generation amount of the medium and long term frame protocol power generation amount from the historical data according to a decomposition ratio specifically includes:
when the power transmission and reception conditions among the areas of the power system need to be processed, acquiring the proportion values of each month respectively corresponding to the power transmission condition and the power reception condition, and decomposing the monthly protocol power generation amount according to the average value of the proportion values of each month;
when the power transmission and reception conditions between non-areas of the power system need to be processed, the monthly agreement power generation amount is resolved according to the monthly power proportion in the historical load curve of the corresponding area.
In a second possible implementation manner of the first aspect of the present invention, the allocating the monthly agreement power generation amount to each power generation unit includes:
according to the power generation proportion of each power generation unit in the previous year, the monthly protocol power generation amount is initially distributed among the power generation units;
and calculating the positive and negative deviation of the water abandoning condition of each generator set relative to the average water abandoning proportion, and adjusting the generated energy distributed by each generator set according to the positive and negative deviation.
In a third possible implementation manner of the first aspect of the present invention, the calculating the total water-abandoning electric quantity of each generator set specifically includes:
the monthly agreement generated energy is initially distributed among the generator sets to obtain initial electric quantity, and an initial electric quantity distribution proportion is determined according to the initial electric quantity;
and calculating the average water abandoning proportion of all the hydroelectric generating sets by taking the initial electric quantity distribution proportion as a weight.
In a fourth possible implementation manner of the first aspect of the present invention, the calculating a positive-negative deviation of the water abandon condition of each generator set with respect to the average water abandon ratio specifically includes:
calculating a negative deviation of a water abandoning proportion value of the generator set with the water abandoning proportion lower than the average water abandoning proportion relative to the average water abandoning proportion value, and calculating the total negative deviation of the negative deviation and the initial electric quantity;
and meanwhile, calculating the total positive deviation of the generator set with the water abandoning proportion higher than the average water abandoning proportion, and calculating the average value of the total negative deviation and the total positive deviation to be recorded as an adjusting reference quantity.
In a fifth possible implementation manner of the first aspect of the present invention, the adjusting the power generation amount allocated to each power generation unit according to the positive and negative deviations specifically includes:
calculating a proportion value of the electricity generation amount corresponding to the water abandon amount which has occurred on the execution date of each generator set in the month;
and according to the proportion value, deducting corresponding electric quantity from the initial electric quantity of the corresponding set by the generator set with the water abandoning proportion lower than the average water abandoning line.
In a sixth possible implementation manner of the first aspect of the present invention, the calculating the daily power generation amount of each generator set and adjusting the daily power generation amount of each generator set specifically includes:
determining the distribution electric proportion of each day of the month according to the historical load data of each day of the previous month of the generator set, and calculating the daily generated energy distributed by the generator set according to the distribution electric proportion of each day;
and when detecting the electric quantity to be distributed which exceeds the daily power generation capacity of the generator set and the power grid constraint requirement, distributing the electric quantity to be distributed to other generator sets with redundant power generation capacity on the same day.
In a seventh possible implementation manner of the first aspect of the present invention, the allocating the electric quantity to be allocated to other generator sets having excess power generation capacity on the same day specifically includes:
according to the electricity generation quantity Q corresponding to the water abandon quantity of the generator set with the surplus electricity generation capacity on the current day and occurring in the past execution day of the current monthwiTRatio p ofiTAnd (3) distribution:
piT＝Qw1T：Qw2T：...：QwiT(19)
Qit0′＝Qit0+Qov*piT(20)
wherein, the total electric quantity beyond the daily generating capacity of the hydroelectric generating set and the constraint requirement of the power grid is recorded as Qov；Qit0The initial generating capacity of the unit I is distributed to obtain the initial generating capacity of the unit I before the power generation capacity of the T-1 day is checked, and Q isit0The' is the result of rolling calculation of the unit electric quantity in the T-1 day by day.
In a second aspect, an embodiment of the present invention provides an electric quantity scheduling apparatus based on water abandoning proportion equalization, including:
the first analysis module is used for acquiring historical data of power transmission and reception of the power system and analyzing monthly protocol power generation amount of medium-and-long-term frame protocol power from the historical data according to a decomposition ratio;
the calculation module is used for monitoring the actual power generation condition of the generator sets, and calculating the total water abandoning electric quantity and the water abandoning proportion value of each generator set and the average water abandoning proportion value of all the generator sets;
the second analysis module is used for distributing the monthly agreement power generation amount to each generator set according to the total water abandoning electric quantity, the water abandoning proportion value and the average water abandoning proportion value;
and the third analysis module is used for calculating the daily generated energy of each generator set and adjusting the daily generated energy of the generator sets.
In a third aspect, an embodiment of the present invention provides an electric quantity scheduling apparatus based on water abandonment proportion equalization, including a processor, a memory, and a computer program stored in the memory and configured to be executed by the processor, where the processor implements the electric quantity scheduling method based on water abandonment proportion equalization as described above when executing the computer program.
Compared with the prior art, the embodiment of the invention has the following beneficial effects:
the invention provides an electric quantity scheduling method based on water abandoning proportion equalization, which can utilize historical data of a hydroelectric power generation power system and fully consider the hydroelectric characteristics of a high proportion hydroelectric power generation power system, so that a decomposition result accords with the adjustment principle of general hydroelectric scheduling; by calculating the total water abandoning electric quantity, the water abandoning proportion value and the average water abandoning proportion value and taking the calculation as a basis, the monthly agreement electric quantity is distributed to each generating set and the electric quantity is accurate to the daily electric quantity of each generating set, so that the decomposition of annual month and monthly days of the medium and long term frame agreement electric quantity on the time dimension is realized, the electric quantity is transversely shared among all the hydroelectric generating sets based on the water abandoning proportion, the cooperation among the hydroelectric generating sets is promoted, the reasonable arrangement of a hydroelectric generating set power generation plan by a dispatching mechanism is facilitated, the water abandoning condition of each hydroelectric generating set is balanced and controlled, and the resource allocation is optimized.
Drawings
Fig. 1 is a flowchart illustrating steps of a power scheduling method based on water abandon proportion equalization in an embodiment of the present invention;
fig. 2 is a schematic diagram of a method for processing different area conditions of an electric quantity scheduling method based on water abandon proportion equalization in an embodiment of the present invention;
fig. 3 is a module architecture diagram of an electric quantity scheduling apparatus based on water abandon proportion equalization in an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides an exemplary embodiment of a method for scheduling electric power based on water discard ratio equalization, including the steps of:
acquiring historical data of power transmission and reception of a power system, and analyzing monthly protocol power generation amount of medium-and long-term frame protocol power from the historical data according to a decomposition ratio;
monitoring the actual power generation condition of the generator sets, and calculating the total water abandoning electric quantity and the water abandoning proportion value of each generator set and the average water abandoning proportion value of all the generator sets;
distributing the monthly agreement power generation amount to each generator set according to the total water abandoning electric quantity, the water abandoning proportion value and the average water abandoning proportion value;
and calculating the daily generated energy of each generator set and adjusting the daily generated energy of the generator sets.
It can be understood that the electricity quantity from the monthly electricity quantity to the daily electricity quantity of the medium and long term framework protocol mainly comprises two parts, wherein the monthly electricity quantity is distributed to each unit, and the deviation unit is adjusted according to the electricity quantity which can be generated by the water abandonment quantity; and secondly, decomposing the daily electric quantity of each unit, realizing transverse electric quantity sharing among the units according to the water-abandoning electric quantity proportion, and realizing rolling optimization of a subsequent power generation plan through longitudinal electric quantity sharing.
The embodiment of the invention provides an electric quantity scheduling method based on water abandoning proportion equalization, which can make use of historical data of a hydropower generation electric power system and fully consider the hydropower characteristics of a high proportion hydropower generation electric power system, so that a decomposition result accords with the adjustment principle of general hydropower scheduling; by calculating the total water abandoning electric quantity, the water abandoning proportion value and the average water abandoning proportion value and taking the calculation as a basis, the monthly agreement electric quantity is distributed to each generating set and the electric quantity is accurate to the daily electric quantity of each generating set, so that the decomposition of annual month and monthly days of the medium and long term frame agreement electric quantity on the time dimension is realized, the electric quantity is transversely shared among all the hydroelectric generating sets based on the water abandoning proportion, the cooperation among the hydroelectric generating sets is promoted, the reasonable arrangement of a hydroelectric generating set power generation plan by a dispatching mechanism is facilitated, the water abandoning condition of each hydroelectric generating set is balanced and controlled, and the resource allocation is optimized.
Referring to fig. 2, the acquiring historical data of power transmission and reception of the power system and analyzing the monthly protocol power generation amount of the medium-and-long-term frame protocol power amount from the historical data according to the decomposition ratio specifically includes:
when the power transmission and reception conditions among the areas of the power system need to be processed, acquiring the proportion values of each month respectively corresponding to the power transmission condition and the power reception condition, and decomposing the monthly protocol power generation amount according to the average value of the proportion values of each month;
when the power transmission and reception conditions between non-areas of the power system need to be processed, the monthly agreement power generation amount is resolved according to the monthly power proportion in the historical load curve of the corresponding area.
In this embodiment, for the case of power transmission and reception between areas, the ratio of twelve months in the history tuning curve of the power transmission and reception area is S1、S2、…、S12In which S isiThe load proportion of the ith month of the year in the power transmission region and the load proportion of the twelve months of the year in the power receiving region are R1、R2…、R12Wherein R isiThe load ratio of the ith month of the year in the power receiving area. The specific calculation formula is as follows:
in the formula, Loads，iLoad is adjusted for the ith month in the power transmission regionr，iLoad is adjusted for the ith month of the year in the power receiving area.
With SiAnd RiThe average value of the electric quantity is taken as the electric quantity decomposition proportion Q of the protocol of each month of the divided monthsi；
In the case of power transmission and reception between non-areas, the monthly power rate L in the historical load curve of the previous year in the area is used1、L2、…、L12Determining the monthly protocol electric quantity decomposition proportion of the annual minutes and months, wherein LiFor the load proportion of the ith month in the power transmission region in the year, a specific calculation formula is as follows:
in the formula, Loadl，iAnd (4) load is adjusted for the ith month in the current transmission area.
The total water-abandoning electric quantity of each generator set is calculated as follows: the electric quantity which can be generated by the water abandoning quantity of the generator set is utilized, and the total water abandoning electric quantity is calculated by the following formula:
wherein the electric quantity Q that the water abandoning amount can be sentwit(ii) a Total water abandon electricity Q generated by unit i on Tth day of a monthwiT。
It can be understood that since the T-1 day is still being executed, the water discard electricity amount cannot be determined, and therefore only the T-2 day is calculated,and considering the total water abandon electric quantity from the first day to the T-2 day as the total water abandon electric quantity which is generated by the unit on the Tth day. The water abandon proportion w of the unit i on the Tth day of a monthiTComprises the following steps:
wherein:
in the formula, QratedIs the installed capacity of the unit,
is the average load rate of the unit,
average load of the unit, PmaxIs the maximum load of the unit.
The distributing the generated energy of the monthly agreement to each generator set comprises:
according to the power generation proportion of each power generation unit in the previous year, the monthly protocol power generation amount is initially distributed among the power generation units;
and calculating the positive and negative deviation of the water abandoning condition of each generator set relative to the average water abandoning proportion, and adjusting the generated energy distributed by each generator set according to the positive and negative deviation.
The total water-abandoning electric quantity of each generator set is calculated as follows:
the monthly agreement generated energy is initially distributed among the generator sets to obtain initial electric quantity, and an initial electric quantity distribution proportion is determined according to the initial electric quantity;
and calculating the average water abandoning proportion of all the hydroelectric generating sets by taking the initial electric quantity distribution proportion as a weight.
In the present embodiment, the first and second days per month are in accordance with the actual power generation amount ratio of each unit in the previous yeariPerforming initial power distributionAnd the initial electric quantity distributed by each unit on the first day and the second day is recorded as Qi1And Qi2And each unit re-rolls the initial electric quantity Q adopted by the electric quantity contract on the Tth dayiTCalculated using the formula:
QiT＝Qi(T-2)′-Gi(T-2)(8)
wherein Q isiT-2' is the electric quantity distribution result obtained after rolling adjustment on the T-2 th day, Gi(T-2)And the actual power generation amount of the unit i in the T-2 day is obtained.
The initial electric quantity of the T day is allocated to the proportion ratioiT＝Qi1：Qi2：...：QiT。
Then at ratioiTFor weight, the average water abandonment proportion of all hydroelectric generating sets is calculated according to the following formula:
wherein N is the total number of the hydroelectric generating sets, wiTThe water abandon proportion of the unit i on the Tth day of a certain month is shown.
The method for calculating the positive and negative deviations of the water abandoning conditions of the generator sets relative to the average water abandoning proportion specifically comprises the following steps:
calculating a negative deviation of a water abandoning proportion value of the generator set with the water abandoning proportion lower than the average water abandoning proportion relative to the average water abandoning proportion value, and calculating a total negative deviation of the negative deviation and the initial electric quantity;
specifically, it is assumed that the self water discard ratio is lower than the average water discard ratio
The unit has m units, and the water and electricity abandoning ratio of the unit is recorded as w0 iTThen there is a negative deviation of such units from the average water reject ratio on day T:
calculating the sum of the products of the negative deviation proportion and the initial distribution electric quantity as follows:
midev reflects the total amount of negative deviation of the unit below the curtailment level mean from the mean level.
And meanwhile, calculating the total positive deviation of the generator set with the water abandoning proportion higher than the average water abandoning proportion, and calculating the average value of the total negative deviation and the total positive deviation to be recorded as an adjusting reference quantity.
Specifically, the self water abandoning ratio is higher than the average water abandoning ratio
The unit(s) has n-m (n is the number of the unit(s) with the deduction water abandonment proportion being the same as the average water abandonment proportion), and the water abandonment electric quantity proportion of the unit(s) is recorded as w1 iTThen, in the same way, the total positive deviation podev of the unit above the abandon level average line relative to the average level can be calculated as follows:
calculating an adjustment reference Qref：
The adjusting of the power generation amount distributed by each generator set according to the positive and negative deviations specifically comprises the following steps:
calculating a proportion value of the electricity generation amount corresponding to the water abandon amount which has occurred on the execution date of each generator set in the month;
specifically, the electricity generation amount Q corresponding to the water abandon amount which has occurred on the execution date of each unit in the month is calculatedwiThe proportion of the water abandoning proportion is lower than the proportion of the unit of the average water abandoning line and is Pm＝m1：m2：...：miSimilarly, the proportion of the unit with the water abandoning proportion higher than the average water abandoning line is Pn＝n1：n2：...：ni。
And according to the proportion value, deducting corresponding electric quantity from the initial electric quantity of the corresponding set by the generator set with the water abandoning proportion lower than the average water abandoning line.
Specifically, the amount of electricity Q that can be generated according to the amount of discarded waterwitRatio P ofmThe generated electricity quantity is distributed to the set with positive deviation, and the set with negative deviation can generate electricity quantity according to the ratio P of the electricity quantity which can be generated by the waste water quantitynInitial distribution of electric quantity P from corresponding unitsi0The corresponding electric quantity is deducted. The water abandoning proportion is lower than the electric quantity Q distributed by the unit i of the average water abandoning lineimT' is:
QimT′＝QiT-Qref·Pm(14)
the water abandoning proportion is higher than the electric quantity P distributed by the unit i of the average water abandoning linein0' is:
QinT′＝QiT+Qref·Pn(15)
the method for calculating the daily generated energy of each generator set and adjusting the daily generated energy of the generator sets specifically comprises the following steps:
determining the distribution electric proportion of each day of the month according to the historical load data of each day of the previous month of the generator set, and calculating the daily generated energy distributed by the generator set according to the distribution electric proportion of each day;
specifically, load data M of each calendar history of the unit is obtained according to the last monthiDDetermining the distribution ratio w of electricity in each day of the monthiMTTaking the initial distribution proportion of each day of the month, determining w by using historical data of the first month of the previous year flood season for the first month of the flood seasoniMT：
wiMT＝MiT：MiT+1：...：MiM(16)
Wherein M isiTThe daily electric quantity or the actual generated electric quantity of the medium-and-long-term framework protocol actually distributed to the unit in the last Tth day of the month; t is the next actual execution day of the unit, which is not started, and the rolling calculation of the distribution of the electric quantity of the unit to the day is carried out in the T-1 day; m is the number of days of the month.
The first day and the second day of each month adopt monthly initial distribution electric quantity QiTAnd (3) calculating:
Qit＝QiT*wiMT，T＝1，2 (17)
and starting the unit i from the day T, and distributing the frame protocol electric quantity obtained by the rest days in the month as follows:
Qit＝QiT′*wiMT，T≥3 (18)
wherein, the power to be executed by the unit i in the month is QiT′。
And when detecting the electric quantity to be distributed which exceeds the daily power generation capacity of the generator set and the power grid constraint requirement, distributing the electric quantity to be distributed to other generator sets with redundant power generation capacity on the same day.
The specific allocation mode is that when a scheduling mechanism makes a next-day power generation plan, the actual power generation capacity of the hydroelectric generating set on the day needs to be checked according to the water situation, the power grid constraint and the like, and the total electric quantity beyond the requirements of the hydroelectric generating set on the day power generation capacity and the power grid constraint is recorded as QovAnd the part of electric quantity is transversely distributed to other units with redundant power generation capacity on the same day. According to the electricity generation quantity Q corresponding to the water abandoning quantity of the unit which has occurred in the past execution date of the monthwiTRatio p ofiTAnd (3) carrying out apportionment:
piT＝Qw1T：Qw2T：...：QwiT(19)
Qit0′＝Qit0+Qov*piT(20)
wherein Q isit0The initial generating capacity of the unit I is distributed to obtain the initial generating capacity of the unit I before the power generation capacity of the T-1 day is checked, and Q isit0The' is the result of rolling calculation of the unit electric quantity in the T-1 day by day.
It should be noted that the daily power generation amount needs to be adjusted daily to ensure that the medium-and-long-term framework protocol power decomposition result can be adjusted over time to adapt to the latest power grid scheduling situation.
Referring to fig. 3, an exemplary embodiment of an electric quantity scheduling apparatus based on water discard proportion balancing according to the present invention includes:
the first analysis module 201 is used for acquiring historical data of power transmission and reception of the power system and analyzing monthly protocol power generation amount of medium-and-long-term frame protocol power from the historical data according to a decomposition ratio;
the calculation module 202 is used for monitoring the actual power generation condition of the generator sets, and calculating the total water abandoning electric quantity and the water abandoning proportion value of each generator set and the average water abandoning proportion value of all the generator sets;
the second analysis module 203 is used for distributing the monthly agreement power generation amount to each generator set according to the total water abandoning electric quantity, the water abandoning proportion value and the average water abandoning proportion value;
and the third analysis module 204 is used for calculating the daily power generation of each generator set and adjusting the daily power generation of the generator sets.
The first analysis module 201 further includes:
the inter-area analysis module is used for acquiring the proportion values of the months corresponding to the power transmission condition and the power receiving condition respectively when the power transmission and receiving conditions among the areas of the power system need to be processed, and decomposing the monthly protocol power generation amount according to the average value of the proportion values of the months;
and the non-inter-region analysis module is used for decomposing monthly protocol power generation according to the monthly power proportion in the historical load curve of the corresponding region when the power transmission and reception conditions of the power system between the non-regions need to be processed.
The calculating module 202 is further configured to:
the monthly agreement generated energy is initially distributed among the generator sets to obtain initial electric quantity, and an initial electric quantity distribution proportion is determined according to the initial electric quantity;
and calculating the average water abandoning proportion of all the hydroelectric generating sets by taking the initial electric quantity distribution proportion as a weight.
The second analysis module 203 is further configured to:
according to the power generation proportion of each power generation unit in the previous year, the monthly protocol power generation amount is initially distributed among the power generation units;
and calculating the positive and negative deviation of the water abandoning condition of each generator set relative to the average water abandoning proportion, and adjusting the generated energy distributed by each generator set according to the positive and negative deviation.
Calculating a proportion value of the electricity generation amount corresponding to the water abandon amount which has occurred on the execution date of each generator set in the month; and according to the proportion value, deducting corresponding electric quantity from the initial electric quantity of the corresponding set by the generator set with the water abandoning proportion lower than the average water abandoning line.
The second analysis module 203 further includes:
the negative deviation calculation module is used for calculating the negative deviation of the water abandoning proportion value of the generator set with the water abandoning proportion lower than the average water abandoning proportion value relative to the average water abandoning proportion value and calculating the total negative deviation of the negative deviation and the initial electric quantity;
and the positive deviation calculation module is used for calculating the total positive deviation of the generator set with the water abandoning proportion higher than the average water abandoning proportion, and calculating the average value of the total negative deviation and the total positive deviation to be recorded as an adjusting reference quantity.
The third analysis module 204 further includes:
the daily power generation amount calculation module is used for determining the distribution electric proportion of each day of the month according to the historical load data of each day of the previous month of the generator set and calculating the daily power generation amount distributed by the generator set according to the distribution electric proportion of each day;
and the daily generated energy adjusting module is used for distributing the to-be-distributed electric quantity to other generator sets with redundant generating capacity on the same day when the to-be-distributed electric quantity beyond the daily generating capacity of the generator sets and the power grid constraint requirement is detected.
The invention also provides an exemplary embodiment, an electric quantity scheduling device based on water abandon proportion equalization, which comprises a processor, a memory and a computer program stored in the memory and configured to be executed by the processor, wherein the processor implements the electric quantity scheduling method based on water abandon proportion equalization as described above when executing the computer program.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by a computer program, which can be stored in a computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. The storage medium may be a magnetic disk, an optical disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), or the like.
Claims (10)
1. A power scheduling method based on water abandon proportion balance is characterized by comprising the following steps:
acquiring historical data of power transmission and reception of a power system, and analyzing monthly protocol power generation amount of medium-and long-term frame protocol power from the historical data according to a decomposition ratio;
monitoring the actual power generation condition of the generator sets, and calculating the total water abandoning electric quantity and the water abandoning proportion value of each generator set and the average water abandoning proportion value of all the generator sets;
distributing the monthly agreement power generation amount to each generator set according to the total water abandoning electric quantity, the water abandoning proportion value and the average water abandoning proportion value;
and calculating the daily generated energy of each generator set and adjusting the daily generated energy of the generator sets.
2. The electric quantity scheduling method based on water abandon proportion equalization as claimed in claim 1, wherein the monthly agreement electric quantity generation method for acquiring historical data of power transmission and power reception of the power system and analyzing medium and long term frame agreement electric quantity from the historical data according to a decomposition proportion is specifically as follows:
when the power transmission and reception conditions among the areas of the power system need to be processed, acquiring the proportion values of each month respectively corresponding to the power transmission condition and the power reception condition, and decomposing the monthly protocol power generation amount according to the average value of the proportion values of each month;
when the power transmission and reception conditions between non-areas of the power system need to be processed, the monthly agreement power generation amount is resolved according to the monthly power proportion in the historical load curve of the corresponding area.
3. The method for scheduling electric quantity based on water curtailment proportion equalization as claimed in claim 1, wherein the step of distributing the monthly agreement electric quantity to each generator set comprises the following steps:
according to the power generation proportion of each power generation unit in the previous year, the monthly protocol power generation amount is initially distributed among the power generation units;
and calculating the positive and negative deviation of the water abandoning condition of each generator set relative to the average water abandoning proportion, and adjusting the generated energy distributed by each generator set according to the positive and negative deviation.
4. The electric quantity scheduling method based on water abandonment proportion equalization as claimed in claim 3, wherein the calculating of the total water abandonment electric quantity of each generator set specifically comprises:
the monthly agreement generated energy is initially distributed among the generator sets to obtain initial electric quantity, and an initial electric quantity distribution proportion is determined according to the initial electric quantity;
and calculating the average water abandoning proportion of all the hydroelectric generating sets by taking the initial electric quantity distribution proportion as a weight.
5. The electric quantity scheduling method based on water abandon proportion equalization as claimed in claim 4, wherein the positive and negative deviations of the water abandon conditions of each generator set relative to the average water abandon proportion are calculated, specifically:
calculating a negative deviation of a water abandoning proportion value of the generator set with the water abandoning proportion lower than the average water abandoning proportion relative to the average water abandoning proportion value, and calculating the total negative deviation of the negative deviation and the initial electric quantity;
and meanwhile, calculating the total positive deviation of the generator set with the water abandoning proportion higher than the average water abandoning proportion, and calculating the average value of the total negative deviation and the total positive deviation to be recorded as an adjusting reference quantity.
6. The electric quantity scheduling method based on water abandon proportion equalization as claimed in claim 5, wherein the adjusting the electric quantity distributed by each generator set according to the positive and negative deviations comprises:
calculating a proportion value of the electricity generation amount corresponding to the water abandon amount which has occurred on the execution date of each generator set in the month;
and according to the proportion value, deducting corresponding electric quantity from the initial electric quantity of the corresponding set by the generator set with the water abandoning proportion lower than the average water abandoning line.
7. The electric quantity scheduling method based on water abandon proportion equalization as claimed in claim 1, wherein the calculating the daily electric quantity of each generator set and adjusting the daily electric quantity of the generator set are specifically as follows:
determining the distribution electric proportion of each day of the month according to the historical load data of each day of the previous month of the generator set, and calculating the daily generated energy distributed by the generator set according to the distribution electric proportion of each day;
and when detecting the electric quantity to be distributed which exceeds the daily power generation capacity of the generator set and the power grid constraint requirement, distributing the electric quantity to be distributed to other generator sets with redundant power generation capacity on the same day.
8. The electric quantity scheduling method based on water abandon proportion equalization as claimed in claim 7, wherein the step of distributing the electric quantity to be distributed to other generator sets with redundant power generation capacity on the same day is specifically as follows:
according to the electricity generation quantity Q corresponding to the water abandon quantity of the generator set with the surplus electricity generation capacity on the current day and occurring in the past execution day of the current monthwiTRatio p ofiTAnd (3) distribution:
piT＝Qw1T：Qw2T：...：QwiT(19)
Qit0′＝Qit0+Qov*piT(20)
wherein, the total electric quantity beyond the daily generating capacity of the hydroelectric generating set and the constraint requirement of the power grid is recorded as Qov；Qit0The initial generating capacity of the unit I is distributed to obtain the initial generating capacity of the unit I before the power generation capacity of the T-1 day is checked, and Q isit0The' is the result of rolling calculation of the unit electric quantity in the T-1 day by day.
9. The utility model provides an electric quantity scheduling device based on abandon balanced water ratio which characterized in that includes:
the first analysis module is used for acquiring historical data of power transmission and reception of the power system and analyzing monthly protocol power generation amount of medium-and-long-term frame protocol power from the historical data according to a decomposition ratio;
the calculation module is used for monitoring the actual power generation condition of the generator sets, and calculating the total water abandoning electric quantity and the water abandoning proportion value of each generator set and the average water abandoning proportion value of all the generator sets;
the second analysis module is used for distributing the monthly agreement power generation amount to each generator set according to the total water abandoning electric quantity, the water abandoning proportion value and the average water abandoning proportion value;
and the third analysis module is used for calculating the daily generated energy of each generator set and adjusting the daily generated energy of the generator sets.
10. An electric quantity scheduling device based on water abandonment proportion equalization, which is characterized by comprising a processor, a memory and a computer program stored in the memory and configured to be executed by the processor, wherein the processor executes the computer program to realize the electric quantity scheduling method based on water abandonment proportion equalization according to any one of claims 1 to 8.
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