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CN103795088A - Load curve quantization-based pumped storage power station optimized dispatching method - Google Patents

Load curve quantization-based pumped storage power station optimized dispatching method Download PDF

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Publication number
CN103795088A
CN103795088A CN201310482458.0A CN201310482458A CN103795088A CN 103795088 A CN103795088 A CN 103795088A CN 201310482458 A CN201310482458 A CN 201310482458A CN 103795088 A CN103795088 A CN 103795088A
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unit
scheduling interval
load curve
storage station
power generating
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CN103795088B (en
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李燕青
谢红玲
赵亮
沈博一
李翔
王坚
梁志飞
傅志伟
孙凯航
魏方园
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North China Electric Power University
China Southern Power Grid Co Ltd
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North China Electric Power University
China Southern Power Grid Co Ltd
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Abstract

The invention discloses a load curve quantization-based pumped storage power station optimized dispatching method. The method comprises the following steps: arranging a set repairing plan; collecting load predetermination data of a power system; establishing a state transition equation of a pumped storage power station and a constraint condition thereof; establishing a load curve quantization index of a thermal power generating set; and using load curve quantization index minimization of the thermal power generating set as an objective function and carrying out optimized dispatching on the operation of the pumped storage power station by using a dynamic planning method. According to the invention, the fluctuation degree of a load curve carried by a thermal power generating set can be reduced; the power generation load rate can be improved; and the power supply coal consumption of the thermal power generating set can be reduced.

Description

A kind of hydroenergy storage station Optimization Scheduling quantizing based on load curve
Technical field
The present invention relates to hydroenergy storage station technology, be specifically related to a kind of hydroenergy storage station Optimization Scheduling quantizing based on load curve.
Background technology
Hydroenergy storage station is to utilize unnecessary electric energy in electric power system, water in reservoir low elevation (common name " lower storage reservoir ") is extracted in the reservoir that elevation is high (common name " upper storage reservoir "), is stored in the mode of potential energy, when system needs electric power, then from the upper storage reservoir hydroelectric station of generating electricity to lower storage reservoir that discharges water.No matter hydroenergy storage station is for frequency modulation, emergency duty or Steam Generator in Load Follow, can in the time that electrical network needs, provide active power support with the speed that meets stability of a system requirement, with the safety and stability of maintenance system operation.Since the nearly more than ten years, hydroenergy storage station is very fast in China's development, and it increases day by day in the effect in electric power system.
Power system operation cost relates generally to the consumption coal fuel cost of fired power generating unit, and it is subject to payload that fired power generating unit bears and the impact of pace of change.The assessment of fired power generating unit fuel cost is according to embodying a concentrated reflection of on its load curve of bearing.
The load centrifugal pump straight line that fired power generating unit load curve is born by it is formed by connecting.Load curve quantizes to be divided into two parts, and a part is to be made up of each scheduling interval load and the angle (representing with θ) of trunnion axis, and another part is to be made up of the angle of each scheduling interval (representing with ψ), as shown in Figure 1.These two parts have all reflected that load curve is exerted oneself to fired power generating unit and the requirement of creep speed, and angle is larger, requires fired power generating unit adjustment larger, and corresponding coa consumption rate is higher, and fuel cost is larger.
From dispatching of power netwoks angle, how hydroenergy storage station is moved to optimization, its performance fired power generating unit is not had or uneconomic function, be a problem of needing solution badly.The starting point or the target function that at present hydroenergy storage station are optimized to scheduling are all the economic indexs such as system operation is most economical, generator operation network minimal, carry out Economic Evaluation by fuel cost, the outage cost etc. set, its set point difference can affect the result of optimization to a certain extent, needs to be further improved.
Summary of the invention
Goal of the invention: for existing methodical deficiency, the object of this invention is to provide a kind of hydroenergy storage station Optimization Scheduling quantizing based on load curve.
Technical scheme: for achieving the above object, the technical solution used in the present invention is as follows:
The hydroenergy storage station Optimization Scheduling quantizing based on load curve, is characterized in that comprising the following steps:
(1) arrange unit maintenance plan: determine available fired power generating unit quantity and pump storage plant generator unit number of units; And typing can be used fired power generating unit and pump storage plant generator unit parameter; Described parameter comprises the specified generated output of each fired power generating unit, the specified generated output of each pump storage plant generator unit, the draw water-powergenerationcycleefficiency of hydroenergy storage station, given reservoir storage and maximum storage capacity;
(2) gather Load Prediction In Power Systems data: described Load Prediction In Power Systems data time interval is fixed as Δ t, unit is h, total N point; Time adjacent described Load Prediction In Power Systems data 2 are connected with straight line under m-Load Prediction In Power Systems value coordinate system, form power system load curve; Power system load curve is divided into N scheduling interval by described Load Prediction In Power Systems data;
(3) set up the state transition equation of hydroenergy storage station:
Figure 616983DEST_PATH_IMAGE001
(1)
In described (1) formula x t be t scheduling interval hydroenergy storage station finish time upper storage reservoir reservoir storage, unit is MWh,
Figure 276504DEST_PATH_IMAGE002
, its state set X is:
Figure 389953DEST_PATH_IMAGE003
(2)
In described (2) formula, p h for hydroenergy storage station hthe rated capacity of platform unit, unit is MW, h=1,2,3 h, hfor pump storage plant generator unit number of units, pfor the greatest common divisor of the each generating set capacity of hydroenergy storage station, unit is MW, x maxfor the maximum storage capacity of hydroenergy storage station, unit is MWh; Described state set element number M is determined by following formula:
Figure 252867DEST_PATH_IMAGE004
; (3)
In described (1) formula d t be t scheduling interval decision variable, unit is MW,
Figure 477175DEST_PATH_IMAGE005
; ηwhen ignoring the affecting of nature water, the draw water-powergenerationcycleefficiency of hydroenergy storage station; Described t scheduling interval decision variable d t for the energy output in t scheduling interval of hydroenergy storage station or the power consumption that draws water, d t be greater than at 1 o'clock in generating state; d t be less than at 1 o'clock in the state of drawing water, its state set D is:
Figure 725622DEST_PATH_IMAGE006
; (4)
The constraints of state transition equation is:
Figure 9973DEST_PATH_IMAGE007
(5)
In described (5) formula x 0be the 1st scheduling interval hydroenergy storage station zero hour upper storage reservoir reservoir storage, unit is MWh, and C is the given reservoir storage of hydroenergy storage station, and unit is MWh;
(4) set up fired power generating unit load curve quantizating index Q:
; (6)
In described (6) formula,
Figure 388182DEST_PATH_IMAGE009
for tthe angle of individual scheduling interval fired power generating unit load curve and horizontal axis, unit is degree ,
Figure 569765DEST_PATH_IMAGE010
for tscheduling interval with t-angle between 1 scheduling interval fired power generating unit load curve, unit is degree; Described fired power generating unit load curve deducts hydroenergy storage station favour by power system load curve and holds optimization force curve and obtain;
(5) set up target function
Figure 946388DEST_PATH_IMAGE011
, use dynamic programming to be optimized scheduling to hydroenergy storage station, from the 1st scheduling interval to N scheduling interval, carry out successively following sub-step:
1) set up t scheduling interval target function g t ( x t , d t ),
Figure 846211DEST_PATH_IMAGE005
:
; (7)
2) process of establishing target function
Figure 651673DEST_PATH_IMAGE013
recurrence formula:
Figure 199198DEST_PATH_IMAGE014
Figure 586317DEST_PATH_IMAGE005
; (8)
Wherein
Figure 956118DEST_PATH_IMAGE013
be the in-process metrics function of t scheduling interval, unit is degree;
3) take described (8) formula as target function, solve described t scheduling interval decision variable d t optimal value d t * , carry it in state transition equation (1) formula of described hydroenergy storage station, try to achieve described t scheduling interval state variable x t optimal value x t * ;
4) described in inciting somebody to action d t * with x t * in-process metrics function recurrence formula (8) formula described in substitution together, obtains the in-process metrics function of described t scheduling interval
Figure 784397DEST_PATH_IMAGE013
optimal solution
Figure 581452DEST_PATH_IMAGE015
, be t+1 scheduling interval use dynamic programming be optimized scheduling ready.
Described tthe angle of scheduling interval fired power generating unit load curve and horizontal axis θ t computational methods be:
Figure 377238DEST_PATH_IMAGE016
(9)
Wherein ,
Figure 499095DEST_PATH_IMAGE018
for tmoment fired power generating unit load curve value, unit is MW, t=1,2,3 n,and
Figure 467051DEST_PATH_IMAGE019
;
Described tscheduling interval and t-angle between 1 scheduling interval fired power generating unit load curve ψ t computational methods be:
Figure 750134DEST_PATH_IMAGE020
(10)
Wherein
Figure 461738DEST_PATH_IMAGE021
.
The beneficial effect producing by technique scheme is:
1, allow as far as possible hydroenergy storage station bear the variation part of sequential load curve when Optimized Operation of the present invention, the degree of fluctuation of the load curve that effectively reduction fired power generating unit is born, the load that fired power generating unit is born is more steady, avoids occurring frequently, first and second frequency modulation action of large degree.
2, adopt the present invention to be optimized scheduling to hydroenergy storage station and optimize thermal power generation unit load curve, realize fired power generating unit and adjust minimum, reduced coa consumption rate, saved fuel cost.
Accompanying drawing explanation
Fig. 1 is Optimized Operation flow chart of the present invention;
Fig. 2 is fired power generating unit load curve quantizating index schematic diagram of the present invention;
Fig. 3 is power system load curve of the present invention and hydroenergy storage station optimization force curve figure;
Fig. 4 is fired power generating unit load curve after hydroenergy storage station Optimized Operation of the present invention.
Embodiment
Below in conjunction with specific embodiment, the present invention is described further.
Embodiment:
The hydroenergy storage station Optimization Scheduling quantizing based on load curve, comprises the following steps, as shown in Figure 1:
(1) arrange unit maintenance plan: determine available fired power generating unit quantity and pump storage plant generator unit number of units; And typing can be used fired power generating unit and pump storage plant generator unit parameter; Described parameter comprises the specified generated output of each fired power generating unit, the specified generated output of each pump storage plant generator unit, the draw water-powergenerationcycleefficiency of hydroenergy storage station, given reservoir storage and maximum storage capacity;
(2) gather Load Prediction In Power Systems data: described Load Prediction In Power Systems data time interval is fixed as Δ t, unit is h, total N point; Time adjacent described Load Prediction In Power Systems data 2 are connected with straight line under m-Load Prediction In Power Systems value coordinate system, form power system load curve; Power system load curve is divided into N scheduling interval by described Load Prediction In Power Systems data;
(3) set up the state transition equation of hydroenergy storage station:
Figure 326926DEST_PATH_IMAGE001
(1)
In described (1) formula x t be t scheduling interval hydroenergy storage station finish time upper storage reservoir reservoir storage, unit is MWh,
Figure 403466DEST_PATH_IMAGE002
, its state set X is:
Figure 986894DEST_PATH_IMAGE003
(2)
In described (2) formula, p h for hydroenergy storage station hthe rated capacity of platform unit, unit is MW, h=1,2,3 h, hfor pump storage plant generator unit number of units, pfor the greatest common divisor of the each generating set capacity of hydroenergy storage station, unit is MW, x maxfor the maximum storage capacity of hydroenergy storage station, unit is MWh; Described state set element number M is determined by following formula:
; (3)
In described (1) formula d t be t scheduling interval decision variable, unit is MW, ; ηwhen ignoring the affecting of nature water, the draw water-powergenerationcycleefficiency of hydroenergy storage station; Described t scheduling interval decision variable d t for the energy output in t scheduling interval of hydroenergy storage station or the power consumption that draws water, d t be greater than at 1 o'clock in generating state; d t be less than at 1 o'clock in the state of drawing water, its state set D is:
Figure 718593DEST_PATH_IMAGE006
; (4)
The constraints of state transition equation is:
Figure 727000DEST_PATH_IMAGE007
(5)
In described (5) formula x 0be the 1st scheduling interval hydroenergy storage station zero hour upper storage reservoir reservoir storage, unit is MWh, and C is the given reservoir storage of hydroenergy storage station, and unit is MWh;
(4) set up fired power generating unit load curve quantizating index Q:
Figure 780407DEST_PATH_IMAGE008
; (6)
As shown in Figure 2, in described (6) formula,
Figure 807137DEST_PATH_IMAGE009
for tthe angle of individual scheduling interval fired power generating unit load curve and horizontal axis, unit is degree ,
Figure 287797DEST_PATH_IMAGE010
for tscheduling interval with t-angle between 1 scheduling interval fired power generating unit load curve, unit is degree; Described fired power generating unit load curve deducts hydroenergy storage station favour by power system load curve and holds optimization force curve and obtain;
(5) set up target function
Figure 517922DEST_PATH_IMAGE011
, use dynamic programming to be optimized scheduling to hydroenergy storage station, from the 1st scheduling interval to N scheduling interval, carry out successively following sub-step:
1) set up t scheduling interval target function g t ( x t , d t ),
Figure 375019DEST_PATH_IMAGE005
:
Figure 69306DEST_PATH_IMAGE012
; (7)
2) process of establishing target function
Figure 907817DEST_PATH_IMAGE013
recurrence formula:
Figure 953134DEST_PATH_IMAGE014
Figure 286026DEST_PATH_IMAGE005
; (8)
Wherein
Figure 834819DEST_PATH_IMAGE013
be the in-process metrics function of t scheduling interval, unit is degree;
3) take described (8) formula as target function, solve described t scheduling interval decision variable d t optimal value d t * , carry it in state transition equation (1) formula of described hydroenergy storage station, try to achieve described t scheduling interval state variable x t optimal value x t * ;
4) described in inciting somebody to action d t * with x t * in-process metrics function recurrence formula (8) formula described in substitution together, obtains the in-process metrics function of described t scheduling interval
Figure 109812DEST_PATH_IMAGE013
optimal solution
Figure 376845DEST_PATH_IMAGE015
, be t+1 scheduling interval use dynamic programming be optimized scheduling ready.
Described tthe angle theta of scheduling interval fired power generating unit load curve and horizontal axis t computational methods be:
Figure 575745DEST_PATH_IMAGE016
(9)
Wherein
Figure 916728DEST_PATH_IMAGE017
,
Figure 175671DEST_PATH_IMAGE018
for tmoment fired power generating unit load curve value, unit is MW, t=1,2,3 n,and
Figure 116951DEST_PATH_IMAGE019
;
Described tscheduling interval and t-angle ψ between 1 scheduling interval fired power generating unit load curve t computational methods be:
Figure 853963DEST_PATH_IMAGE022
(10)
Wherein
Figure 377348DEST_PATH_IMAGE023
.
In the present embodiment, electric power system comprises 1 of equivalent fired power generating unit, specified generated output 60000MW; 1 of hydroenergy storage station, draw water-powergenerationcycleefficiency is 79.90%, and the given reservoir storage of hydroenergy storage station is 1000MWh, and maximum storage capacity is 12000MWh, 8 of pump storage plant generator units, specified generated output is 300MW, total installation of generating capacity 2400MW.
In the present embodiment, Load Prediction In Power Systems curve was by Guangdong tracking on January 3 short-term load forecasting data formation in 2012.This Load Prediction In Power Systems time interval is
Figure 744875DEST_PATH_IMAGE024
be fixed as 0.25h, 15 minutes, within one day, have 96 Load Prediction In Power Systems data, as shown in table 1.Time adjacent described Load Prediction In Power Systems data 2 are connected with straight line under m-Load Prediction In Power Systems value coordinate system, form Load Prediction In Power Systems curve.Power system load curve is divided into N scheduling interval by these 96 Load Prediction In Power Systems data.Hydroenergy storage station is optimized to scheduling by method of the present invention, obtains a series of optimal values d t *, be the scheduling scheme of hydroenergy storage station at each scheduling interval end.The optimum results of the present embodiment is shown in Figure 3.For Load Prediction In Power Systems curve and hydroenergy storage station optimization force curve are drawn in a figure, in figure, Load Prediction In Power Systems value is dwindled 10 times and is illustrated.
Fig. 4 is the fired power generating unit load curve after hydroenergy storage station Optimized Operation; Can find out, with the present invention to hydroenergy storage station Optimized Operation after, fired power generating unit load curve compared with Load Prediction In Power Systems curve, degree of fluctuation reduce.
Table 2 is the result comparison that whether with the present invention, the operation of pumped-storage power generation station is optimized scheduling." hold without favour " and refer to that hydroenergy storage station does not participate in network load and distributes; " favour is held after experience operation " refers to experience operational mode, hydroenergy storage station be dispatched; " favour is held and optimized after operation " refers to, with the present invention, hydroenergy storage station is optimized to scheduling.Can find out, hydroenergy storage station is optimized to tune with the present invention, load pulsation quantizating index reduces, and power generation load rate increases.The optimization of these two indexs means that the operating cost of fired power generating unit reduces, and has great importance in actual production.
The impact of fired power generating unit load curve on net coal consumption rate, not only relevant with its power generation load rate, also relevant with the degree of fluctuation of load curve.Even under identical average load rate, stable operation of unit is more conducive to reduce net coal consumption rate than load fluctuation.Below carry out the quantitative calculating on net coal consumption rate impact of power system load curve and fired power generating unit load curve degree of fluctuation, verify practicality of the present invention.
For the ease of calculating, fired power generating unit load curve value is dwindled after 100 times, born its net coal consumption rate by a 600MW supercritical thermal power unit u( x) in table 3.In his-and-hers watches 3, data are carried out 2 order polynomial matchings, and fitting result is:
u( x)=0.0003 x 2-0.3701 x+422.4429
If Load Prediction In Power Systems curve is l' 1( t), fired power generating unit load curve is l' 2( t).The net coal consumption rate computing formula of one day is:
Figure 720922DEST_PATH_IMAGE025
Wherein, h 1for the Optimized Operation net coal consumption rate of the previous day, h 2for Optimized Operation net coal consumption rate one day after.
Obtain thus h 1=3.5362 × 10 9gram, h 2=3.4978 × 10 9gram, use after Optimized Operation of the present invention, within one day, can save 38.4 tons of coals.
Table 1 power system load data
Load point Load value (MW) Load point Load value (MW)
1 38000 49 49000
2 37400 50 46300
3 36900 51 45700
4 36500 52 45600
5 36100 53 45500
6 35700 54 47000
7 35300 55 48600
8 34900 56 51200
9 34600 57 51800
10 34300 58 52400
11 34100 59 52600
12 33800 60 52700
13 33600 61 52800
14 33400 62 53000
15 33200 63 53200
16 33100 64 53400
17 33000 65 53900
18 33000 66 54400
19 33000 67 54900
20 33000 68 55400
21 33100 69 55600
22 33200 70 55700
23 33400 71 54400
24 33700 72 54000
25 34000 73 54700
26 34700 74 55900
27 35400 75 56700
28 36400 76 57000
29 37400 77 56700
30 38900 78 56400
31 40100 79 56000
32 41900 80 55500
33 44900 81 55000
34 49200 82 54700
35 51100 83 54400
36 52400 84 54100
37 53000 85 53700
38 53600 86 53100
39 54000 87 52300
40 54400 88 51500
41 54800 89 50700
42 55200 90 49800
43 55600 91 48700
44 56000 92 47500
45 56300 93 45900
46 56500 94 44300
47 55500 95 42700
48 53500 96 41300
The comparison of table 2 optimum results
Index Hold without favour Favour is held after experience operation Favour is held after optimization
Load pulsation quantizating index 550.96 538.74 524.64
Power generation load rate 81.79% 84.13% 85.96%
Table 3 600MW fired power generating unit net coal consumption rate
Load x(MW) Net coal consumption rate u( x)(g/kw·h) Load x(MW) Net coal consumption rate u( x)(g/kw·h)
350 330 500 313
400 322 550 310
450 316 600 308

Claims (2)

1. the hydroenergy storage station Optimization Scheduling quantizing based on load curve, is characterized in that comprising the following steps:
(1) arrange unit maintenance plan: determine available fired power generating unit quantity and pump storage plant generator unit number of units; And typing can be used fired power generating unit and pump storage plant generator unit parameter; Described parameter comprises the specified generated output of each fired power generating unit, the specified generated output of each pump storage plant generator unit, the draw water-powergenerationcycleefficiency of hydroenergy storage station, given reservoir storage and maximum storage capacity;
(2) gather Load Prediction In Power Systems data: described Load Prediction In Power Systems data time interval is fixed as Δ t, unit is h, total N point; Time adjacent described Load Prediction In Power Systems data 2 are connected with straight line under m-Load Prediction In Power Systems value coordinate system, form power system load curve; Power system load curve is divided into N scheduling interval by described Load Prediction In Power Systems data;
(3) set up the state transition equation of hydroenergy storage station:
Figure 657833DEST_PATH_IMAGE001
(1)
In described (1) formula x t be t scheduling interval hydroenergy storage station finish time upper storage reservoir reservoir storage, unit is MWh,
Figure 2013104824580100001DEST_PATH_IMAGE002
, its state set X is:
Figure 106132DEST_PATH_IMAGE003
(2)
In described (2) formula, p h for hydroenergy storage station hthe rated capacity of platform unit, unit is MW, h=1,2,3 h, hfor pump storage plant generator unit number of units, pfor the greatest common divisor of the each generating set capacity of hydroenergy storage station, unit is MW, x maxfor the maximum storage capacity of hydroenergy storage station, unit is MWh; Described state set element number M is determined by following formula:
Figure DEST_PATH_IMAGE004
; (3)
In described (1) formula d t be t scheduling interval decision variable, unit is MW, ; η is while ignoring the affecting of nature water, the draw water-powergenerationcycleefficiency of hydroenergy storage station; Described t scheduling interval decision variable d t for the energy output in t scheduling interval of hydroenergy storage station or the power consumption that draws water, d t be greater than at 1 o'clock in generating state; d t be less than at 1 o'clock in the state of drawing water, its state set D is:
; (4)
The constraints of state transition equation is:
Figure 877484DEST_PATH_IMAGE007
(5)
In described (5) formula x 0be the 1st scheduling interval hydroenergy storage station zero hour upper storage reservoir reservoir storage, unit is MWh, and C is the given reservoir storage of hydroenergy storage station, and unit is MWh;
(4) set up fired power generating unit load curve quantizating index Q:
Figure DEST_PATH_IMAGE008
; (6)
In described (6) formula,
Figure 223014DEST_PATH_IMAGE009
for tthe angle of individual scheduling interval fired power generating unit load curve and horizontal axis, unit is degree ,
Figure DEST_PATH_IMAGE010
for tscheduling interval with t-angle between 1 scheduling interval fired power generating unit load curve, unit is degree; Described fired power generating unit load curve deducts hydroenergy storage station favour by power system load curve and holds optimization force curve and obtain;
(5) set up target function
Figure 452001DEST_PATH_IMAGE011
, use dynamic programming to be optimized scheduling to hydroenergy storage station, from the 1st scheduling interval to N scheduling interval, carry out successively following sub-step:
1) set up t scheduling interval target function g t ( x t , d t ),
Figure 250193DEST_PATH_IMAGE005
:
Figure DEST_PATH_IMAGE012
; (7)
2) process of establishing target function
Figure 104886DEST_PATH_IMAGE013
recurrence formula:
Figure DEST_PATH_IMAGE014
Figure 304923DEST_PATH_IMAGE005
; (8)
Wherein
Figure 704811DEST_PATH_IMAGE013
be the in-process metrics function of t scheduling interval, unit is degree;
3) take described (8) formula as target function, solve described t scheduling interval decision variable d t optimal value d t * , carry it in state transition equation (1) formula of described hydroenergy storage station, try to achieve described t scheduling interval state variable x t optimal value x t * ;
4) described in inciting somebody to action d t * with x t * in-process metrics function recurrence formula (8) formula described in substitution together, obtains the in-process metrics function of described t scheduling interval
Figure 459141DEST_PATH_IMAGE013
optimal solution
Figure 727311DEST_PATH_IMAGE015
, be t+1 scheduling interval use dynamic programming be optimized scheduling ready.
2. the hydroenergy storage station Optimization Scheduling quantizing based on load curve as claimed in claim 1, is characterized in that: described the tthe angle of scheduling interval fired power generating unit load curve and horizontal axis θ t computational methods be:
Figure DEST_PATH_IMAGE016
(9)
Wherein
Figure 906488DEST_PATH_IMAGE017
,
Figure DEST_PATH_IMAGE018
for tmoment fired power generating unit load curve value, unit is MW, t=1,2,3 n,and
Figure 867491DEST_PATH_IMAGE019
;
Described tscheduling interval and t-angle between 1 scheduling interval fired power generating unit load curve ψ t computational methods be:
Figure DEST_PATH_IMAGE020
(10)
Wherein
Figure 515641DEST_PATH_IMAGE021
.
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李文武等: "混合式抽水蓄能电站水库中长期优化调度", 《电力自动化设备》 *

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CN104216383A (en) * 2014-09-22 2014-12-17 国家电网公司 Operating efficiency optimizing method of small hydropower station unit
CN104483837A (en) * 2014-11-25 2015-04-01 华中科技大学 Adaptive control method for reversible machinery group
CN104483837B (en) * 2014-11-25 2017-04-12 华中科技大学 Adaptive control method for reversible machinery group
CN108701332A (en) * 2016-04-07 2018-10-23 株式会社日立制作所 The maintenance plan support system of generating unit groups
CN108701332B (en) * 2016-04-07 2022-02-11 株式会社日立制作所 Maintenance schedule support system for power generation unit group
CN107910883A (en) * 2017-12-01 2018-04-13 中国南方电网有限责任公司电网技术研究中心 Random production simulation method based on pumped storage power station corrected time sequence load curve
CN107910883B (en) * 2017-12-01 2021-04-13 中国南方电网有限责任公司电网技术研究中心 Random production simulation method based on pumped storage power station corrected time sequence load curve
CN109149571A (en) * 2018-09-21 2019-01-04 国网福建省电力有限公司 A kind of energy storage Optimal Configuration Method of the combustion gas of consideration system and fired power generating unit characteristic
CN109149571B (en) * 2018-09-21 2022-04-01 国网福建省电力有限公司 Energy storage optimal configuration method considering characteristics of system gas and thermal power generating unit
CN115564154A (en) * 2022-12-07 2023-01-03 南方电网调峰调频发电有限公司检修试验分公司 Scheduling optimization method, device, equipment and medium for pumped storage power station

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