CN107294101A - A kind of multiple target unit built-up pattern and method for solving based on security domain target and constraint - Google Patents

A kind of multiple target unit built-up pattern and method for solving based on security domain target and constraint Download PDF

Info

Publication number
CN107294101A
CN107294101A CN201710534523.8A CN201710534523A CN107294101A CN 107294101 A CN107294101 A CN 107294101A CN 201710534523 A CN201710534523 A CN 201710534523A CN 107294101 A CN107294101 A CN 107294101A
Authority
CN
China
Prior art keywords
unit
formula
constraints
function
power
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201710534523.8A
Other languages
Chinese (zh)
Other versions
CN107294101B (en
Inventor
林涛
叶婧
陈汝斯
毕如玉
陈宝平
盛逸标
杨明臻
李勇
徐友平
徐遐龄
崔晓丹
李碧君
石渠
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
STATE GRID CENTER CHINA GRID Co Ltd
State Grid Corp of China SGCC
Wuhan University WHU
State Grid Ningxia Electric Power Co Ltd
Nanjing NARI Group Corp
Original Assignee
STATE GRID CENTER CHINA GRID Co Ltd
State Grid Corp of China SGCC
Wuhan University WHU
State Grid Ningxia Electric Power Co Ltd
Nanjing NARI Group Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by STATE GRID CENTER CHINA GRID Co Ltd, State Grid Corp of China SGCC, Wuhan University WHU, State Grid Ningxia Electric Power Co Ltd, Nanjing NARI Group Corp filed Critical STATE GRID CENTER CHINA GRID Co Ltd
Priority to CN201710534523.8A priority Critical patent/CN107294101B/en
Publication of CN107294101A publication Critical patent/CN107294101A/en
Application granted granted Critical
Publication of CN107294101B publication Critical patent/CN107294101B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00Circuit arrangements for ac mains or ac distribution networks
    • H02J3/04Circuit arrangements for ac mains or ac distribution networks for connecting networks of the same frequency but supplied from different sources
    • H02J3/06Controlling transfer of power between connected networks; Controlling sharing of load between connected networks
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2203/00Indexing scheme relating to details of circuit arrangements for AC mains or AC distribution networks
    • H02J2203/20Simulating, e g planning, reliability check, modelling or computer assisted design [CAD]

Abstract

The present invention relates to a kind of multiple target unit built-up pattern and method for solving based on security domain target and constraint, it is likely to result in being unsatisfactory for the problem of Steady-State Real Power Security Region is constrained for current Unit Combination method, a kind of improved Unit Combination method is proposed, is established with the Model for Multi-Objective Optimization for the security domain measurement index maximum that cost of electricity-generating is minimum and is carried.The present invention is by introducing intermediate variable so that model meets MIXED INTEGER linear optimization problem standard type, and the present invention is using extending ε leash law and optimization software CPLEX is solved to multi-objective problem, acquisition Pareto optimal solution sets.The present invention can coordinate economy and security, more meet actual electric network demand.

Description

It is a kind of based on security domain target and the multiple target unit built-up pattern of constraint and solution Method
Technical field
The present invention relates to the operation of power system, analysis and scheduling field, it is more particularly to a kind of based on security domain target and The multiple target unit built-up pattern and method for solving of constraint.
Background technology
Unit Combination is the core of generation schedule, determines the start and stop of unit and exerts oneself, and can be for improving The economy and security of system.Traditional Unit Combination only considered operation constraint, and without Network Security Constraints.In this situation Under, optimum results may violate Network Security Constraints.With the access of high permeability new energy, the randomness and ripple of new energy Dynamic property brings more stern challenge to the safety and stability problem of system.
Existing part considers DC power flow, AC power flow or Steady-State Real Power Security Region constraint respectively at present in studying. Compared with AC and DC trend constraint, security domain can provide current point of operation the distance between to secure border, can be with qualitative assessment Margin of safety.And it is individually minimum or margin of safety is maximum as single goal using cost of electricity-generating, easily there is scheduling scheme safety The problem of nargin is small or less economical.And multiple-objection optimization can effectively consider the influence of multiple targets, carried to operations staff For effective reference.Common multi-objective optimization question processing method is artificial intelligence class algorithm at present or is converted into single goal and asks Topic is solved.And artificial intelligence class algorithm has the shortcomings that the initial total group of dependence, convergence are unstable, easy to be precocious.Multiple target is turned Change single integrated target problem to solve, the essence of this kind of method, which remains unchanged, is to solve for single-object problem, it is impossible to obtain Pareto Optimal solution set.Extension ε leash law has computational efficiency high, it is ensured that the validity of Pareto solutions and can with to solve MIXED INTEGER excellent The characteristics of business software CPLEX, GUROBI of change problem etc. is effectively combined.But ε leash law is extended in Optimization Problems In Power Systems In application there is not been reported.In addition, the Optimization Solution such as CPLEX, GUROBI software can fast and efficiently obtain MIXED INTEGER line The optimal solution of property optimization problem, therefore, by set up model conversion into the form of MIXED INTEGER linear optimization problem be also model The key set up and solved.
The content of the invention
The invention provides a kind of multiple target unit built-up pattern based on security domain target and constraint.Due to security domain Contain absolute value in object function expression formula, and be unsatisfactory for the canonical form of mixed integer optimization, the invention provides by drawing Enter intermediate variable SP1, SP2 so that model meets the method for MIXED INTEGER linear optimization problem canonical form, and utilization extends ε Leash law and optimization software CPLEX are solved to multi-objective problem.So as to provide a kind of compromise between security and economy Unit Combination method.
A kind of multiple target unit built-up pattern and method for solving based on security domain target and constraint, it is characterised in that should Model is based on following object function and constraints:
Described object function is multiple target form:
In formula:Fl(X) it is l-th of object function;X is decision vector;gj(X)、hk(X) it is equation, inequality constraints letter Number;n1、n2For equality constraint, inequality constraints number;
It is minimum that one of described object function is defined as system cost of electricity-generating, is based on:
P in formulaitFor conventional power unit i period t active power of output;fit(Pit) be conventional power unit i operating cost; UitIt is conventional power unit i in period t start and stop state, Uit=1 represents operation, Uit=0 represents to shut down,ai、bi、ciFor the coefficient of cost function;SitIt is unit i in t period start-up costs;
The two of the object function are defined as the total nargin maximum of system Steady-State Real Power Security Region, are based on:
In formula:αkiFor the Steady-State Real Power Security Region coefficient determined by system structure parameter;By having for load and branch road k Work(higher limit is determined;Determined by load and branch road k active lower limit;For in period t, the biography dispatched for branch road k Defeated Capacity Margin;ηtFor in period t, the branch road transmission capacity nargin of scheduling scheme;η is active static peace in whole dispatching cycle It is entirely abundant to estimate;B is the set of all branch roads in system;
Described constraints is:
Conventional power unit generates electricity and load power Constraints of Equilibrium:Formula seven;
System spinning reserve capacityFormula eight;
Formula nine;
Unit active power output bound is constrainedFormula ten;
Unit active power ramping rate constraints Di≤Pit-Pi(t-1)≤LiFormula 11;
Minimum start-off time constraintsFormula 12,
Formula 13;
Branch road Steady-State Real Power Security is constrainedFormula 14;
P in formulaLtFor t period predicted load sizes; Respectively unit i upper and lower limit of exerting oneself;Li、DiFor i-th The climbing upper and lower limit of platform unit;Respectively i-th unit is continuously opened, between the stopping time in the t periods;UTi、DTiRespectively I-th unit minimum was opened, between the stopping time;Pdmax、PdminRespectively branch road d effective power flow upper and lower limit;cdtWith each section of period t The load power of point is relevant;
Optimization method specifically includes following steps:
Step 1:The machine unit characteristic data of each generating set of power system are obtained, including active power output bound, are climbed Slope speed, minimum start-stop time, minimum start/stop time;Day part predicted load size in 24 periods;Network architecture parameters, Including node and branch road connection, branch road effective power flow bound;And according to load prediction data and network architecture parameters In calculating formula three
Step 2:By in modelIt is converted into max (SP1,SP2) form;
Step 3:Only consider object function F1, obtain the optimal value F of first aim function1′;Optimize second target letter Number, and by F1=F1' as constraints, with F2For optimization aim, now F is obtained2Optimal solution F2′;With the first row data Computational methods are similar, only with F2As object function, the optimal value of now second target function is obtainedFirst is only considered again Individual object function, and willAs constraints, with F1For optimization aim, now F is obtained1Optimal valuePropped up Pay table as shown in table 1;
The payoff table of table 1
Step 4:Corresponding object function l maximum in being arranged by payoff table lMinimum valueCalculating is obtained Object function l span value, computational methods are as follows:
Step 5:Multi-objective optimization question is ultimately converted to one group of single-object problem and solved, method is such as Under:
s.t.F2-s2=e2Formula 16
Q in formula2By the space-number taken in calculating;s2To increase the slack variable that constraints is introduced newly;
Step 6:Calculated most by one group of single-object problem in CPLEX calculation procedures 5, and using fuzzy set theory Excellent compromise solution;The corresponding satisfaction of each object function can be represented with fuzzy membership function in each Pareto optimal solutions, most The Pareto optimal solutions with maximum μ values are defined as into optimal compromise afterwards to solve;Computational methods are as follows:
In above-mentioned a kind of multiple target unit built-up pattern and method for solving based on security domain target and constraint, by formula three InChange into following form:
The present invention compared with prior art, with advantages below and effect:The present invention establish based on security domain target and The multiple target unit built-up pattern of constraint, asking for safe region constraint may be unsatisfactory for by overcoming the optimum results of conventional rack combination Topic.And one group of single-object problem is changed into by extending ε leash law by Model for Multi-Objective Optimization, and problem is changed into MILP forms, allow it to be solved by MILP business softwares, with good application value and prospect.
Brief description of the drawings
The calculation flow chart of Fig. 1 the inventive method.
Embodiment
Below by embodiment, and data analysis is combined, technical scheme is described in further detail.
Embodiment:
First, the specific method step of the present invention is introduced first:
The model of the present invention is based on following object function and constraints:
Described object function is multiple target form:
In formula:Fl(X) it is l-th of object function;X is decision vector;gj(X)、hk(X) it is equation, inequality constraints letter Number;n1、n2For equality constraint, inequality constraints number.
It is minimum that one of described object function is defined as system cost of electricity-generating, is based on:
P in formulaitFor conventional power unit i period t active power of output;fit(Pit) be conventional power unit i operating cost;Uit It is conventional power unit i in period t start and stop state, Uit=1 represents operation, Uit=0 represents to shut down, ai、bi、ciFor the coefficient of cost function;SitIt is unit i in t period start-up costs.
The two of the object function are defined as system Steady-State Real Power Security Region measurement index maximum, are based on:
In formula:αkiFor the Steady-State Real Power Security Region coefficient determined by system structure parameter;By having for load and branch road k Work(higher limit is determined;Determined by load and branch road k active lower limit;For in period t, the biography dispatched for branch road k Defeated Capacity Margin;ηtFor in period t, the branch road transmission capacity nargin of scheduling scheme;η is active static peace in whole dispatching cycle It is entirely abundant to estimate;B is all set of fingers in system.
Described constraints is:
Conventional power unit generates electricity and load power Constraints of Equilibrium:Formula seven;
System spinning reserve capacityFormula eight;
Formula nine;
Unit active power output bound is constrainedFormula ten;
Unit active power ramping rate constraints Di≤Pit-Pi(t-1)≤LiFormula 11;
Minimum start-off time constraintsFormula 12,
Formula 13;
Branch road Steady-State Real Power Security is constrainedFormula 14.
P in formulaLtFor t period predicted load sizes; Respectively unit i upper and lower limit of exerting oneself;Li、DiFor i-th The climbing upper and lower limit of platform unit;Respectively i-th unit is continuously opened, between the stopping time in the t periods;UTi、DTiRespectively I-th unit minimum was opened, between the stopping time;Pdmax、PdminRespectively branch road d effective power flow upper and lower limit;cdtWith each section of period t The load power of point is relevant.
Specific processing comprises the following steps:
Step 1:Obtain machine unit characteristic data, load prediction data, the network structure of each generating set of power system Parameter, and according to load prediction data and network architecture parameters calculating parameter;
Step 2:Set up the multiple target unit built-up pattern based on security domain target and constraint, description object function and about Beam condition;
Step 3:Object function F in the model of foundation2Contain absolute value in expression formula, and be unsatisfactory for mixed integer optimization Canonical form, by introducing intermediate variable, by model conversion into multiple target Mixed integer linear programming;In step 3 Formula three is calculated containing absolute value, and optimization software CPLEX can not optimize calculating to the object function of this form, by formula threeChange into following form:
Step 4:Optimize each sub-goal by lexicographic order and get paid table;Optimize each by lexicographic order in step 4 The method that sub-goal gets paid table is as follows:
Only consider object function F1, obtain the optimal value F of first aim function1′.Optimize second target function, and will F1=F1' as constraints, with F2For optimization aim, now F is obtained2Optimal solution F2′.With the computational methods of the first row data It is similar, only with F2As object function, the optimal value of now second target function is obtainedFirst aim letter is only considered again Number, and willAs constraints, with F1For optimization aim, now F is obtained1Optimal value
The payoff table of table 1
Step 5:The maximum of corresponding object function l, minimum value can calculate and obtain target letter in being arranged by payoff table l Number l span value, computational methods are as follows:
Step 6:With (q2- 1) individual mesh point is by object function F2Span value be divided into q2It is individual equidistant.Meter and span Minimum and maximum value, for F2There is (q2+ 1) individual mesh point.Therefore multi-objective optimization question is eventually converted into as (q2+ 1) individual monocular Mark optimization problem;In step 6, multi-objective optimization question is ultimately converted to one group of single-object problem and solved, side Method is as follows:
s.t.F2-s2=e2Formula 19
In formulaRepresent the object function F in payoff table2Maximum and minimum value;riFor object function across Angle value;q2For the space-number of the 2nd target;s2To increase the slack variable that constraints is introduced newly.
Step 7:With CPLEX to (q2+ 1) individual single-object problem is solved, and obtains final Pareto optimal solutions Collection.Optimal compromise solution is further asked for using fuzzy set theory.
Need to calculate optimal compromise solution using fuzzy set theory in step 7.Each object function in each Pareto optimal solutions Corresponding satisfaction can be represented with fuzzy membership function, finally be defined as the Pareto optimal solutions with maximum μ values most Excellent compromise solution.Computational methods are as follows:
2nd, it is below specific embodiment using the above method.
The application institute's extracting method is verified that as space is limited, the present embodiment is directed to three machines under multiple example models Exemplified by six node system examples, feasibility and validity to this paper institutes extracting method are analyzed and verified.Concrete condition is as follows:
Validity and superiority that three kinds of plan-validations carry model herein are designed herein.Scheme I:Conventional UC, target is F1, safe region constraint and target F are not considered2.Scheme II:Target is F2, safe region constraint is not considered.Scheme III:What is carried is more Objective optimization model.
Scheme II and III consider SR constraints, therefore scheme II and III result fully meet trend constraint.Table 1 gives The branch road L2-3 of scheme I lower 24 periods effective power flow, branch road L2-3 allows the power maximum passed through to be 100MW.Table 1 As a result show, branch road L2-3 effective power flow is more than limits value in some periods, it means that optimal scheduling scheme I is unsatisfactory for tide Stream constraint.
The branch road L2-3 of table 1 effective power flow
The cost of electricity-generating and security domain size of three kinds of schemes are compared in table 2.Because scheme I does not consider Safe region constraint or target, thus scheme I optimum results and be unsatisfactory for security domain constraint.Scheme II target is to greatest extent Ground improves SR, and with highest operation cost, the cost of electricity-generating than scheme I is high by 10.87%.Scheme III Pareto optimality Compromise solution have followed trend limitation, and have than scheme II smaller operating cost.
The branch road L2-3 of table 2 effective power flow
It the inventive method can be seen that according to above-mentioned the simulation experiment result can consider in Unit Combination and generate electricity into This minimum and security domain maximum target, the inventive method can effectively obtain Pareto optimal solution sets, and the inventive method energy By model conversation into MIXED INTEGER linear optimization form, and it is combined with business optimization software, quickly obtains optimal compromise solution.It is excellent Change result and show that this method has security and economy concurrently, it is to avoid Unit Combination scheme is unsatisfactory for asking for Steady-State Real Power Security Region Topic, illustrates that the present invention can meet being actually needed for grid company, has important practical significance and good application prospect.

Claims (2)

1. a kind of multiple target unit built-up pattern and method for solving based on security domain target and constraint, it is characterised in that the mould Type is based on following object function and constraints:
Described object function is multiple target form:
In formula:Fl(X) it is l-th of object function;X is decision vector;gj(X)、hk(X) it is equation, inequality constraints function;n1、 n2For equality constraint, inequality constraints number;
It is minimum that one of described object function is defined as system cost of electricity-generating, is based on:
P in formulaitFor conventional power unit i period t active power of output;fit(Pit) be conventional power unit i operating cost;UitFor Conventional power unit i is in period t start and stop state, Uit=1 represents operation, Uit=0 represents to shut down, ai、bi、ciFor the coefficient of cost function;SitIt is unit i in t period start-up costs;
The two of the object function are defined as the total nargin maximum of system Steady-State Real Power Security Region, are based on:
In formula:αkiFor the Steady-State Real Power Security Region coefficient determined by system structure parameter;By load and branch road k it is active on Limit value is determined;Determined by load and branch road k active lower limit;In period t, to hold for the transmission that branch road k is dispatched Measure nargin;ηtFor in period t, the branch road transmission capacity nargin of scheduling scheme;η is that Steady-State Real Power Security is abundant in whole dispatching cycle Estimate;B is the set of all branch roads in system;
Described constraints is:
Conventional power unit generates electricity and load power Constraints of Equilibrium:
System spinning reserve capacity
Unit active power output bound constrains Pi min≤Pit≤Pi maxFormula ten;Unit active power ramping rate constraints Di≤Pit- Pi(t-1)≤LiFormula 11;Minimum start-off time constraints
Branch road Steady-State Real Power Security is constrained
P in formulaLtFor t period predicted load sizes;Pi max、Pi minRespectively unit i upper and lower limit of exerting oneself;Li、DiFor i-th The climbing upper and lower limit of platform unit;Respectively i-th unit is continuously opened, between the stopping time in the t periods;UTi、DTiRespectively I-th unit minimum was opened, between the stopping time;Pdmax、PdminRespectively branch road d effective power flow upper and lower limit;cdtWith each section of period t The load power of point is relevant;
Optimization method specifically includes following steps:
Step 1:Obtain the machine unit characteristic data of each generating set of power system, including active power output bound, climbing speed Rate, minimum start-stop time, minimum start/stop time;Day part predicted load size in 24 periods;Network architecture parameters, including Node and branch road connection, branch road effective power flow bound;And calculated according to load prediction data and network architecture parameters In formula three
Step 2:By in modelIt is converted into max (SP1,SP2) form;
Step 3:Only consider object function F1, obtain the optimal value F of first aim function1′;Optimize second target function, and By F1=F1' as constraints, with F2For optimization aim, now F is obtained2Optimal solution F2′;With the calculating side of the first row data Method is similar, only with F2As object function, the optimal value of now second target function is obtainedFirst aim is only considered again Function, and by F2=F2 *As constraints, with F1For optimization aim, now F is obtained1Optimal value F1 *;Get paid table;
Step 4:Corresponding object function l maximum in being arranged by payoff table lMinimum valueCalculating obtains target Function l span value, computational methods are as follows:rl=Fl max-Fl min
Step 5:Multi-objective optimization question is ultimately converted to one group of single-object problem and solved, method is as follows:
s.t.F2-s2=e2Formula 16
Q in formula2By the space-number taken in calculating;s2To increase the slack variable that constraints is introduced newly;
Step 6:Optimal folding is calculated by one group of single-object problem in CPLEX calculation procedures 5, and using fuzzy set theory Middle solution;The corresponding satisfaction of each object function can be represented with fuzzy membership function in each Pareto optimal solutions, finally will Pareto optimal solutions with maximum μ values are defined as optimal compromise solution;Computational methods are as follows:
2. it is according to claim 1 a kind of based on security domain target and the multiple target unit built-up pattern of constraint and solution side Method, it is characterised in that by formula threeChange into following form:
CN201710534523.8A 2017-07-03 2017-07-03 Multi-target unit combination model based on security domain target and constraint and solving method Active CN107294101B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710534523.8A CN107294101B (en) 2017-07-03 2017-07-03 Multi-target unit combination model based on security domain target and constraint and solving method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710534523.8A CN107294101B (en) 2017-07-03 2017-07-03 Multi-target unit combination model based on security domain target and constraint and solving method

Publications (2)

Publication Number Publication Date
CN107294101A true CN107294101A (en) 2017-10-24
CN107294101B CN107294101B (en) 2020-01-07

Family

ID=60098484

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710534523.8A Active CN107294101B (en) 2017-07-03 2017-07-03 Multi-target unit combination model based on security domain target and constraint and solving method

Country Status (1)

Country Link
CN (1) CN107294101B (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108879796A (en) * 2018-08-10 2018-11-23 广东电网有限责任公司 Electric power ahead market goes out clear calculation method, system, device and readable storage medium storing program for executing
CN110829502A (en) * 2019-10-17 2020-02-21 广西电网有限责任公司电力科学研究院 Multi-target interval power generation scheduling method considering new energy
CN111817358A (en) * 2020-05-29 2020-10-23 中国电力科学研究院有限公司 Power transmission network structure optimization method and device considering safety distance constraint
CN113410870A (en) * 2021-07-28 2021-09-17 大连海事大学 Power distribution network distributed coordination method based on static security domain

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102289566A (en) * 2011-07-08 2011-12-21 浙江大学 Multiple-time-scale optimized energy dispatching method for micro power grid under independent operation mode
CN104362681A (en) * 2014-11-18 2015-02-18 湖北省电力勘测设计院 Island micro-grid capacity optimal-configuration method considering randomness

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102289566A (en) * 2011-07-08 2011-12-21 浙江大学 Multiple-time-scale optimized energy dispatching method for micro power grid under independent operation mode
CN104362681A (en) * 2014-11-18 2015-02-18 湖北省电力勘测设计院 Island micro-grid capacity optimal-configuration method considering randomness

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108879796A (en) * 2018-08-10 2018-11-23 广东电网有限责任公司 Electric power ahead market goes out clear calculation method, system, device and readable storage medium storing program for executing
CN108879796B (en) * 2018-08-10 2021-07-23 广东电网有限责任公司 Electric power day-ahead market clearing calculation method, system, device and readable storage medium
CN110829502A (en) * 2019-10-17 2020-02-21 广西电网有限责任公司电力科学研究院 Multi-target interval power generation scheduling method considering new energy
CN110829502B (en) * 2019-10-17 2022-06-21 广西电网有限责任公司电力科学研究院 Multi-target interval power generation scheduling method considering new energy
CN111817358A (en) * 2020-05-29 2020-10-23 中国电力科学研究院有限公司 Power transmission network structure optimization method and device considering safety distance constraint
CN113410870A (en) * 2021-07-28 2021-09-17 大连海事大学 Power distribution network distributed coordination method based on static security domain
CN113410870B (en) * 2021-07-28 2023-07-18 大连海事大学 Distributed coordination method for power distribution network based on static security domain

Also Published As

Publication number Publication date
CN107294101B (en) 2020-01-07

Similar Documents

Publication Publication Date Title
Peng et al. Flexible robust optimization dispatch for hybrid wind/photovoltaic/hydro/thermal power system
Huang et al. Distributed optimal co-multi-microgrids energy management for energy internet
CN105046395B (en) Method for compiling day-by-day rolling plan of power system containing multiple types of new energy
Shukla et al. Allocation of optimal distributed generation using GA for minimum system losses in radial distribution networks
Cobos et al. Robust energy and reserve scheduling under wind uncertainty considering fast-acting generators
Chen et al. Multi-area economic generation and reserve dispatch considering large-scale integration of wind power
CN107294101A (en) A kind of multiple target unit built-up pattern and method for solving based on security domain target and constraint
CN106327091A (en) Multi-region asynchronous coordination dynamic economic dispatching method based on robustness tie line plan
CN107706921B (en) Micro-grid voltage regulation method and device based on Nash game
CN106253335A (en) A kind of distributed power source capacity and on-position uncertain distribution network planning method
CN106300336A (en) A kind of meter and the virtual plant Multiobjective Optimal Operation method of load side and mains side
CN105634024A (en) Price demand response-based intraday economic scheduling model and linear solving method
CN106253352B (en) The robust real-time scheduling method of meter and wind-powered electricity generation Probability Characteristics
Huo et al. Data-driven adaptive operation of soft open points in active distribution networks
CN105528466A (en) Wind power optimal planning modeling method considering adaptability and economy of power system
CN109858774B (en) Source network load planning method for improving system safety and coordination
CN108493998A (en) Consider the robust Transmission Expansion Planning in Electric method of demand response and N-1 forecast failures
CN112016747A (en) Optimization method suitable for source-load-storage flexible resource overall planning and operation
Rouhi et al. Unit commitment in power system t by combination of dynamic programming (DP), genetic algorithm (GA) and particle swarm optimization (PSO)
Wang et al. A novel security stochastic unit commitment for wind-thermal system operation
CN103904664B (en) A kind of AGC unit real-time scheduling method based on effective static security territory
CN108667077A (en) A kind of wind storage association system Optimization Scheduling
Fremeth et al. The role of governance systems and rules in wind energy development: evidence from Minnesota and Texas
CN105305485A (en) Large-scale intermittent energy consuming security constrained economic dispatch method
CN105226649B (en) One kind predicting improved provincial power network power generation dispatching optimization method based on bus load

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant