CN109066738B - Dynamic load balance-based tie line absorption amount calculation method and system - Google Patents
Dynamic load balance-based tie line absorption amount calculation method and system Download PDFInfo
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Abstract
The invention discloses a method and a system for calculating the tie line absorption amount based on dynamic load balance, wherein the method comprises the following steps of S1: constructing a short-term dynamic load balance model based on power grid load balance; s2: calculating an upper limit value and a lower limit value of a planned absorption value of the extra-high voltage direct-current connecting line at each moment to be researched based on the constructed short-term dynamic load balance model and a planned starting mode of a local unit of the power grid; s3: and obtaining the sectional curve of the ultrahigh voltage direct current tie line absorption plan value based on the sectional mode of the pre-stored ultrahigh voltage direct current tie line plan curve and the upper limit value and the lower limit value of the ultrahigh voltage direct current tie line absorption plan value at each time to be researched. The method measures the planned value of the consumption of the extra-high voltage direct current tie line, so that the sectional curve of the planned value of the consumption of the extra-high voltage direct current tie line is applied to a dispatching mechanism in the follow-up process, and the consumption proportion of clean energy is improved.
Description
Technical Field
The invention belongs to the field of power grid dispatching, and particularly relates to a dynamic load balance-based tie line consumption calculation method and a dynamic load balance-based tie line consumption calculation system.
Background
With the unique advantages of the power grid tie line plan, the optimized allocation of energy resources is realized in the power trading nationwide, the situation that the defects and the pits coexist is effectively solved, the increasingly tight connection between each large area and the provincial power grid and the power transmission capacity of the tie line are improved in a hardware manner, and the more firm foundation is realized on the optimized allocation of the energy resources. However, the current grid structure and the current situation of water, fire and electricity resources restrict large-scale consumption of clean energy, how to fully adjust various adjustment means of a power grid, and fully consume the extra-high voltage direct current power mainly generated by the clean energy, have important significance for reducing the power grid fire and electricity ratio, optimizing the energy structure, reducing the electricity purchasing average price and realizing energy conservation and emission reduction, and are also the problems to be solved urgently at present. Therefore, obtaining the consumption of the extra-high voltage direct current electric power mainly generated by clean energy to guide a scheduling mechanism to specify a day-ahead plan, and preferentially considering the extra-high voltage direct current connecting line is a crucial link for solving the problems when performing real-time balance calculation. However, the prior art lacks a reliable and fast way to obtain the consumption of the extra-high voltage dc link mainly based on clean energy power generation.
Disclosure of Invention
The invention aims to provide a connecting line consumption calculation method and a system thereof based on short-term dynamic load balance, which are reliable to realize, quickly acquire the consumption of an extra-high voltage direct current connecting line mainly based on clean energy power generation, and provide scheduling data for a scheduling mechanism, so that the system can maximally consume the extra-high voltage direct current connecting line mainly based on clean energy under the condition of meeting safe and stable operation.
In one aspect, the invention provides a method for calculating a tie line budget based on short-term dynamic load balancing, comprising the following steps:
s1: constructing a short-term dynamic load balance model based on power grid load balance;
Dt＝GL,t+Gr,t+Lh,t+Lother,t
in the formula, DtRepresenting the load value, G, of the grid at time tL,tRepresenting the value of the output of the local set of the grid at time t, Gr,tRepresenting the output value L of the clean energy of the power grid at the moment th,tRepresenting the planned value, L, of the line at time t of the UHV DC lineother,tRepresenting the sum of planned values of the connecting lines of other connecting lines except the extra-high voltage direct current connecting line at the time t;
s2: calculating an upper limit value and a lower limit value of a planned absorption value of the extra-high voltage direct-current connecting line at each moment to be researched based on the constructed short-term dynamic load balance model and a planned starting mode of a local unit of the power grid;
s3: obtaining a sectional curve of the extra-high voltage direct current tie line absorption plan value based on a sectional mode of a pre-stored extra-high voltage direct current tie line plan curve and upper limit values and lower limit values of the extra-high voltage direct current tie line absorption plan value at each time to be researched;
the sectional intervals on the sectional curve of the ultrahigh voltage direct current tie line absorption plan value correspond to the sectional intervals of the ultrahigh voltage direct current tie line absorption plan value one by one, a group of absorption plan value maximum values and minimum values exist in each sectional interval in the sectional curve of the ultrahigh voltage direct current tie line absorption plan value correspondingly, and the calculation formula is as follows:
in the formula (I), the compound is shown in the specification,
andL(Ti) Respectively, in the time period TiThe extra-high voltage direct current connecting line in the system absorbs the maximum value and the minimum value of the planned value,
and
respectively representing the upper limit value and the lower limit value of a planned value of the consumption on the extra-high voltage direct current connecting line at the time T, Ti、TnRespectively representing the ith subsection interval and the time period corresponding to the nth subsection interval in the plan curve of the extra-high voltage direct current tie line, wherein n is the number of the subsection intervals of the plan curve of the extra-high voltage direct current tie line.
It should be understood that the extra-high voltage dc link in the field is mainly based on clean energy. According to the method, when the consumption capacity of the extra-high voltage direct current connecting line is considered, loads, local main-regulating water-fire power generation output, clean energy and other connecting lines are comprehensively analyzed, a short-term dynamic load balance model is further constructed, intra-provincial balance and trans-provincial power balance are considered, the consumption of the extra-high voltage direct current connecting line is calculated based on the short-term dynamic load balance model, and the extra-high voltage connecting line which mainly uses clean energy is consumed by the system under the condition that safe and stable operation is met. Therefore, the sectional curve of the extra-high voltage direct current tie line absorption plan value obtained by the invention can be applied to a scheduling mechanism to make a day-ahead plan, and the extra-high voltage direct current tie line is prioritized when real-time balance calculation is carried out.
From the above formula of S3, in the time period TiMaximum value of inner extra-high voltage direct current connecting line absorption plan value
In the time period TiThe minimum value of the maximum values of the digestion plan values at all the moments to be researched; in a time period TiMinimum value of inner extra-high voltage direct current connecting line absorption plan valueL(Ti) In the time period TiThe maximum value of the minimum values of the planned values is consumed at all times to be studied.
Preferably, in step S2, the calculation formulas of the upper limit value and the lower limit value of the extra-high voltage dc link accommodation plan value at each time to be studied are as follows:
in the formula (I), the compound is shown in the specification,
and
upper and lower limit values respectively representing the sum of all tie-line accommodation plan values at time t, where the upper limit value of the sum of all tie-line accommodation plan values at time t
And lower limit value
The calculation formula of (a) is as follows:
in the formula, Dt' denotes the predicted value of load at time t, Gr′,tRepresents the predicted value of the clean energy at time t,
and respectively representing the output upper limit and the output lower limit of the local unit of the power grid at the moment t.
Preferably, the output upper limit of the local unit of the power grid at the time t
The output lower limit of the local unit of the power grid at the time t is 100 percent of the starting capacity
50% of the boot capacity.
Preferably, the time to be studied selected in S2 is a time point of an interval period of 15 min.
The study time was substantially 96 points, i.e., 15 minutes per day.
On the other hand, the invention also provides a measuring and calculating system based on the method, which comprises a balance model building module and a processing module;
the system comprises a balance model construction module, a load balance module and a load balance module, wherein the balance model construction module is used for constructing a short-term dynamic load balance model based on power grid load balance;
the processing module is used for calculating the upper limit value and the lower limit value of the extra-high voltage direct current connecting line absorption plan value at each time to be researched;
and the processing module is used for calculating the maximum value and the minimum value of the ultrahigh voltage direct current tie line absorption plan value of each subsection interval so as to obtain a subsection curve of the ultrahigh voltage direct current tie line absorption plan value.
Advantageous effects
1. The invention provides a brand-new measuring and calculating method for obtaining the consumption of an extra-high voltage direct current connecting line, which is characterized in that an upper limit value and a lower limit value of a planned value of the extra-high voltage direct current connecting line at each time to be researched are calculated by constructing a short-term dynamic load balance model, and a sectional curve of the planned value of the extra-high voltage direct current connecting line is obtained according to a conventional sectional mode of the planned curve of the extra-high voltage direct current connecting line.
2. According to the method, when the consumption capacity of the extra-high voltage direct current connecting line is considered, loads, local general regulating water and fire power generation output, clean energy and other connecting lines are comprehensively analyzed, a short-term dynamic load balance model is further constructed, intra-provincial balance is considered, trans-provincial power balance is also considered, the consumption of the extra-high voltage direct current connecting line is calculated based on the short-term dynamic load balance model, a reliable consumption plan quantity result is obtained, the system can consume the extra-high voltage connecting line mainly comprising the clean energy under the condition that safe and stable operation is met, and the obtained section curve of the consumption plan value is executed by local scheduling, so that the safety and stability of operation of a power grid are improved.
Drawings
Fig. 1 is a flowchart of a new measuring and calculating method for obtaining the consumption of the extra-high voltage dc link according to the present invention.
Detailed Description
The present invention will be further described with reference to the following examples.
As shown in fig. 1, the method for calculating the tie line budget based on short-term dynamic load balancing according to the present invention includes the following steps:
s1: and constructing a short-term dynamic load balancing model based on the power grid load balancing. Based on the load balance of the power grid, the short-term dynamic load balance model needs to satisfy the following formula:
Dt＝GL,t+Gr,t+Lh,t+Lother,t
in the formula, DtRepresenting the load value, G, of the grid at time tL,tRepresenting the value of the output of the local set of the grid at time t, Gr,tRepresenting the output value L of the clean energy of the power grid at the moment th,tRepresenting the planned value, L, of the line at time t of the UHV DC lineother,tAnd represents the sum of planned values of the links at the time t of other links except the extra-high voltage direct current link.
S2: and calculating the upper limit value and the lower limit value of the absorption plan value at each 96 points on the extra-high voltage direct current connecting line based on the constructed short-term dynamic load balance model and the planned starting mode of the local unit of the power grid.
Firstly, obtaining the lower output limit of the local unit at 96 points according to the starting mode plan of the local unit of the power grid
And upper limit of output
In this embodiment, since other tie line plans are set to be unchanged and the local start-stop mode is set to be unchanged, the lower limit of the output at each time is set
All are 50% of the starting capacity and the upper limit of the output
Are all 100% of the boot capacity.
From the short-term dynamic load balancing model in step S1, the calculation formula for obtaining the sum of planned values of the consumption of all links at time t is as follows:
Lall,t＝Dt′-(GL,t+Gr′,t)
in the formula, Lall,tRepresenting the sum of all tie-line accommodation plan values at time t, Dt' denotes the predicted value of load at time t, Gr′,tAnd the predicted value of the clean energy at the time t is shown. Thus limiting the output at 96 points to a lower limit
And upper limit of output
Substituting this equation can calculate the upper and lower limits of the sum of the planned values for the consumption at 96 points for all links as follows:
in the formula (I), the compound is shown in the specification,
and
an upper limit value and a lower limit value representing the sum of all tie line accommodation plan values at time t, respectively. Therefore, the upper limit value and the lower limit value of the planned value for the absorption at each 96 points on the extra-high voltage direct current communication line are as follows:
in the formula (I), the compound is shown in the specification,
and
respectively representing the upper limit value and the lower limit value of the planned value of the consumption on the extra-high voltage direct current connecting line at the time point t (at each 96 points). The maximum curve and the lower limit value formed by the upper limit value of the absorption plan value at the 96 point of the extra-high voltage direct current connecting line can be obtained through the calculation
The minimum curve formed.
S3: and obtaining the sectional curve of the ultrahigh voltage direct current tie line absorption plan value based on the sectional mode of the pre-stored ultrahigh voltage direct current tie line plan curve and the upper limit value and the lower limit value of the ultrahigh voltage direct current tie line absorption plan value at each time to be researched.
The curve type of the plan curve of the extra-high voltage direct current link is generally in a step-by-step mode, so that the curve of the planned value of the extra-high voltage direct current link absorption in a period of time consists of a plurality of straight lines. By processing the consumption plan values of 96 points in each time interval, the curve can be divided into n sections T by assuming that the planned value curve of the extra-high voltage direct current connecting line consists of n stepsi∈{T1,T2,…Tn}. In each time interval, the sectional curve of the extra-high voltage direct current tie line absorption plan value is represented as follows:
in the formula (I), the compound is shown in the specification,
andL(Ti) Respectively, in the time period TiThe extra-high voltage direct current connecting line in the system absorbs the maximum value and the minimum value of the planned value. From the above formulaIn a time period TiMaximum value of inner extra-high voltage direct current connecting line absorption plan value
In the time period TiAll 96 points within the total take-up plan value maximum; in a time period TiMinimum value of inner extra-high voltage direct current connecting line absorption plan valueL(Ti) In the time period TiAll 96 points within the plot value take up the maximum of the minimum values of the plot value.
On the other hand, the invention also provides a measuring and calculating system based on the method, which comprises a balance model building module and a processing module;
the system comprises a balance model construction module, a load balance module and a load balance module, wherein the balance model construction module is used for constructing a short-term dynamic load balance model based on power grid load balance;
the processing module is used for calculating the upper limit value and the lower limit value of the extra-high voltage direct current connecting line absorption plan value at each time to be researched;
and the processing module is used for calculating the maximum value and the minimum value of the ultrahigh voltage direct current tie line absorption plan value of each subsection interval so as to obtain a subsection curve of the ultrahigh voltage direct current tie line absorption plan value.
The above-mentioned division of the modules is a functional division, and in some embodiments, some modules may be combined or disassembled, which is not specifically limited by the present invention.
According to the method, when the consumption capacity of the extra-high voltage direct current connecting line is considered, loads, local main-regulating water-fire power generation output, clean energy and other connecting lines are comprehensively analyzed, a short-term dynamic load balance model is further constructed, intra-provincial balance and trans-provincial power balance are considered, the consumption of the extra-high voltage direct current connecting line is calculated based on the short-term dynamic load balance model, and the extra-high voltage connecting line which mainly uses clean energy is consumed by the system under the condition that safe and stable operation is met.
It should be emphasized that the examples described herein are illustrative and not restrictive, and thus the invention is not to be limited to the examples described herein, but rather to other embodiments that may be devised by those skilled in the art based on the teachings herein, and that various modifications, alterations, and substitutions are possible without departing from the spirit and scope of the present invention.
Claims (5)
1. A tie line absorption amount calculation method based on dynamic load balance is characterized in that; the method comprises the following steps:
s1: constructing a short-term dynamic load balance model based on power grid load balance;
Dt＝GL,t+Gr,t+Lh,t+Lother,t
in the formula, DtRepresenting the load value, G, of the grid at time tL,tRepresenting the value of the output of the local set of the grid at time t, Gr,tRepresenting the output value L of the clean energy of the power grid at the moment th,tRepresenting the planned value, L, of the line at time t of the UHV DC lineother,tRepresenting the sum of planned values of the connecting lines of other connecting lines except the extra-high voltage direct current connecting line at the time t;
s2: calculating an upper limit value and a lower limit value of a planned absorption value of the extra-high voltage direct-current connecting line at each moment to be researched based on the constructed short-term dynamic load balance model and a planned starting mode of a local unit of the power grid;
s3: obtaining a sectional curve of the extra-high voltage direct current tie line absorption plan value based on a sectional mode of a pre-stored extra-high voltage direct current tie line plan curve and upper limit values and lower limit values of the extra-high voltage direct current tie line absorption plan value at each time to be researched;
the sectional intervals on the sectional curve of the ultrahigh voltage direct current tie line absorption plan value correspond to the sectional intervals of the ultrahigh voltage direct current tie line absorption plan value one by one, a group of absorption plan value maximum values and minimum values exist in each sectional interval in the sectional curve of the ultrahigh voltage direct current tie line absorption plan value correspondingly, and the calculation formula is as follows:
in the formula (I), the compound is shown in the specification,
andL(Ti) Respectively, in the time period TiThe extra-high voltage direct current connecting line in the system absorbs the maximum value and the minimum value of the planned value,
and
respectively representing the upper limit value and the lower limit value of a planned value of the consumption on the extra-high voltage direct current connecting line at the time T, Ti、TnRespectively representing the ith subsection interval and the time period corresponding to the nth subsection interval in the plan curve of the extra-high voltage direct current tie line, wherein n is the number of the subsection intervals of the plan curve of the extra-high voltage direct current tie line.
2. The dynamic load balancing-based tie line budget calculation method according to claim 1, wherein: in step S2, the calculation formulas of the upper limit value and the lower limit value of the planned absorption value of the extra-high voltage dc link at each time to be studied are as follows:
in the formula (I), the compound is shown in the specification,
and
upper and lower limit values respectively representing the sum of all tie-line accommodation plan values at time t, where the upper limit value of the sum of all tie-line accommodation plan values at time t
And lower limit value
The calculation formula of (a) is as follows:
in formula (II) to'tDenotes a predicted value of load at time t, G'r,tRepresents the predicted value of the clean energy at time t,
and respectively representing the output upper limit and the output lower limit of the local unit of the power grid at the moment t.
3. The dynamic load balancing-based tie line budget calculation method according to claim 2, wherein: output upper limit of local unit of power grid at time t
The output lower limit of the local unit of the power grid at the time t is 100 percent of the starting capacity
50% of the boot capacity.
4. The dynamic load balancing-based tie line budget calculation method according to claim 1, wherein: the time to be studied selected in S2 is a time point with an interval period of 15 min.
5. A system for calculating the tie line budget based on the dynamic load balancing calculation method according to any one of claims 1 to 4, wherein: the system comprises a balance model building module and a processing module;
the system comprises a balance model construction module, a load balance module and a load balance module, wherein the balance model construction module is used for constructing a short-term dynamic load balance model based on power grid load balance;
the processing module is used for calculating the upper limit value and the lower limit value of the extra-high voltage direct current connecting line absorption plan value at each time to be researched;
and the processing module is used for calculating the maximum value and the minimum value of the ultrahigh voltage direct current tie line absorption plan value of each subsection interval so as to obtain a subsection curve of the ultrahigh voltage direct current tie line absorption plan value.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102075014A (en) * | 2011-01-06 | 2011-05-25 | 清华大学 | Large grid real-time scheduling method for accepting access of wind power |
| CN104578183A (en) * | 2015-01-28 | 2015-04-29 | 国家电网公司 | Tie-line power transmission plan optimization method for improving low-carbon level of electric system |
| CN105470956A (en) * | 2015-12-29 | 2016-04-06 | 中国电力科学研究院 | Optimal dispatching method for inter-provincial interconnecting line for production analogue simulation |
-
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- 2018-09-28 CN CN201811141651.7A patent/CN109066738B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102075014A (en) * | 2011-01-06 | 2011-05-25 | 清华大学 | Large grid real-time scheduling method for accepting access of wind power |
| CN104578183A (en) * | 2015-01-28 | 2015-04-29 | 国家电网公司 | Tie-line power transmission plan optimization method for improving low-carbon level of electric system |
| CN105470956A (en) * | 2015-12-29 | 2016-04-06 | 中国电力科学研究院 | Optimal dispatching method for inter-provincial interconnecting line for production analogue simulation |
Non-Patent Citations (2)
| Title |
|---|
| A New Strategy of HVDC Operation for Maximizing Renewable Energy Accommodation;Haibo Zhang,Sen Zhang;《2017 IEEE Power & Energy Society General Meeting》;20180201;第1～6页 * |
| 新能源消纳关键因素分析及解决措施研究;舒印彪等;《中国电机工程学报》;20170105;第37卷(第1期);第1～9页 * |
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