CN106849173B - A kind of appraisal procedure of lotus-net-source coordinated control consumption wind-powered electricity generation safety - Google Patents
A kind of appraisal procedure of lotus-net-source coordinated control consumption wind-powered electricity generation safety Download PDFInfo
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- CN106849173B CN106849173B CN201710179511.8A CN201710179511A CN106849173B CN 106849173 B CN106849173 B CN 106849173B CN 201710179511 A CN201710179511 A CN 201710179511A CN 106849173 B CN106849173 B CN 106849173B
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- 239000011159 matrix material Substances 0.000 claims abstract description 36
- 238000011156 evaluation Methods 0.000 claims abstract description 6
- 238000010248 power generation Methods 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 3
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- 230000029087 digestion Effects 0.000 abstract 1
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Classifications
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- H02J3/386—
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/46—Controlling of the sharing of output between the generators, converters, or transformers
- H02J3/48—Controlling the sharing of the in-phase component
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2203/00—Indexing scheme relating to details of circuit arrangements for AC mains or AC distribution networks
- H02J2203/20—Simulating, e g planning, reliability check, modelling or computer assisted design [CAD]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/76—Power conversion electric or electronic aspects
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Abstract
The invention discloses a kind of lotus-net-source coordinated control consumption wind-powered electricity generation safety appraisal procedures, comprising the following steps: collects the state parameter of power grid after lotus-net-source coordinated control；It determines the safety effects factor index during lotus-net-source coordinated control dissolves wind-powered electricity generation and constitutes matrix U；Each safety effects factor index value is calculated by the state parameter of power grid after lotus-net-source coordinated control for being collected into；Evaluation is carried out to be formed hierarchically opinion rating score matrix V, and corresponding different grades of score value；The fuzzy relation between safety effects factor and opinion rating is determined according to code of points, and forms matrix R；Weight analysis is carried out to each safety effects factor, obtains safety effects factor weight matrix A；Calculate scoring model matrix B=A*R；B matrix is normalized to obtain B' matrix；Calculate comprehensive score k=B'*VT.The present invention can provide support for the safety of wind electricity digestion coordinated control.
Description
Technical field
The present invention relates to electric power system data calculating fields, disappear more specifically to a kind of lotus-net-source coordinated control
Receive the appraisal procedure of wind-powered electricity generation safety.
Background technique
Wind-driven generator is not referred to as abandonment, start and stop and function by controllable burden to terminal user's power supply in power generation
Rate control, can play and stabilize wind electricity volatility and dissolve abandoning wind action.During controllable burden dissolves abandonment electricity,
The start and stop of controllable burden and power adjustment can change the operating status of electric system, influence the safety of electric system.Coordinating
After control, acquires electric network state parameter and calculated accordingly, available power system security parameter index, by fuzzy
Comprehensive Evaluation can pacify the electric system after consumption coordinated control operation in conjunction with every power system security parameter index
Full property is evaluated, and to grasp the safe condition of electric system after electric network coordination control, and takes corresponding measure to avoid in time
Dangerous generation.
Summary of the invention
The technical problem to be solved in the present invention is that providing a kind of commenting for lotus-net-source coordinated control consumption wind-powered electricity generation safety
Estimate method.
The technical solution adopted by the present invention to solve the technical problems is: constructing a kind of lotus-net-source coordinated control consumption wind
The appraisal procedure of electric safety, comprising the following steps:
Step S010 collects the state parameter of power grid after lotus-net-source coordinated control；
Step S020 determines the safety effects factor index during lotus-net-source coordinated control dissolves wind-powered electricity generation and constitutes
Matrix U；
Step S030 calculates each safety effects by the state parameter of power grid after lotus-net-source coordinated control for being collected into
Factor index value；
Step S040 carries out evaluation to be formed hierarchically opinion rating score matrix V, and corresponding different grades of score value；
Step S050 determines the fuzzy relation between safety effects factor and opinion rating, and shape according to code of points
At matrix R；
Step S060 carries out weight analysis to each safety effects factor, obtains safety effects factor weight matrix A；
Step S070 calculates scoring model matrix B=A*R；
Step S080 is normalized B matrix to obtain B' matrix,
Step S090 calculates comprehensive score k=B'*VT。
In the step S010, lotus-is collected by power grid centralized procurement system marks or from power network dispatching system typing
The state parameter of power grid after net-source coordinated control.
Safety effects factor index packet in the step S020, during lotus-net-source coordinated control consumption wind-powered electricity generation
Include the out-of-limit index λ of busbar voltageU, bus current index λI, line and transformer overload index λL, Wind turbines rate of load condensate refers to
Mark λwr, fired power generating unit power generation load rate λtr, section limit of stability index λsl, greatest limit cut off angle δClim-max。
In the step S020, the out-of-limit index of busbar voltageWherein Ui sp=(Ui H+
Ui L)/2, Δ Ui lim=(Ui H-Ui L)/2, θ is bus intersection, w1iFor the weight factor of i-th bus, value is with the negative of the bus
The conversion of load rate, UiFor the voltage magnitude of i-th bus, Ui HFor the upper voltage limit of i-th bus, Ui LFor the voltage of i-th bus
Lower limit.
In the step S020, bus current indexWherein, θ is bus intersection, IiFor i-th bus
Electric current, INiFor the rated current of i-th bus.
In the step S020, line and transformer overload indexWherein, y is defeated
Electric line and transformer intersection, w2iFor the weight factor of i-th transformer lines, value is with the load factor of this transformer lines
Conversion, SlFor the power of branch l, SlmaxFor the maximum size of branch l.
In the step S020, Wind turbines rate of load condensate indexWherein, α is power output operating status
Wind turbines intersection, PGiFor the practical active power output of i-th of Wind turbines, PGNiFor i-th Wind turbines it is specified it is active go out
Power.
In the step S020, fired power generating unit power generation load rateWherein, τ is power output operating status
Fired power generating unit intersection, PGiFor the practical active power output of i-th of fired power generating unit, PGNiFor i-th fired power generating unit it is specified it is active go out
Power.
In the step S020, section limit of stability indexWherein, ψ is section conjunction
Collection, w3iFor section weight, ki-0、ki-1The stability limit of front and back section i is injected for wind-powered electricity generation.
In the step S020, greatest limit cuts off angle δClim-maxAcquisition methods are as follows: coordinated control power grid N-1 examine
When greatest limit cut off angle.
In the step S040, opinion rating is divided into Excellent, Good, Average, Fair and Poor five etc.
Grade, corresponding opinion rating score matrix V=[10,8,6,4,2].
In the step S050,7 safety effects factors after coordinated control are evaluated respectively, determine current shape
Each safety effects factor of state forms R matrix in the accounting of each opinion rating,
Wherein, rijIndicate i-th of factor in j-th of scoring vjOn frequency distribution.
In the step S060, safety effects factor weight matrix A=[0.10,0.10,0.10,0.10,0.10,
0.20,0.30].
Implement a kind of lotus-net of the present invention-source coordinated control consumption wind-powered electricity generation safety appraisal procedure, has below beneficial to effect
Fruit:
The present invention acquires electric network state parameter and is calculated accordingly, available electric system after coordinated control
Security parameter index, by fuzzy comprehensive evaluation method, comprehensive items power system security parameter index can coordinate control to consumption
Power system security after system operation is evaluated, to grasp the safe condition of electric system after electric network coordination control, and
Corresponding measure is taken to avoid dangerous generation in time.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing:
Fig. 1 is the schematic diagram for the appraisal procedure that a kind of lotus-net-source coordinated control dissolves wind-powered electricity generation safety.
Specific embodiment
For a clearer understanding of the technical characteristics, objects and effects of the present invention, now control attached drawing is described in detail
A specific embodiment of the invention.
As shown in Figure 1, the present invention provides a kind of appraisal procedure of lotus-net-source coordinated control consumption wind-powered electricity generation safety, including
Following steps:
Step S010 collects the state parameter of power grid after lotus-net-source coordinated control.By power grid centralized procurement system marks or
The state parameter of power grid after lotus-net-source coordinated control is collected from power network dispatching system typing.
Step S020 determines the safety effects factor index during lotus-net-source coordinated control dissolves wind-powered electricity generation and constitutes
Matrix U.Safety effects factor index during lotus-net-source coordinated control consumption wind-powered electricity generation includes the out-of-limit index of busbar voltage
λU, bus current index λI, line and transformer overload index λL, Wind turbines rate of load condensate index λwr, fired power generating unit power generation it is negative
Lotus rate λtr, section limit of stability index λsl, greatest limit cut off angle δClim-max.The out-of-limit index of busbar voltageWherein Ui sp=(Ui H+Ui L)/2, Δ Ui lim=(Ui H-Ui L)/2, θ is bus intersection, w1iFor
The weight factor of i-th bus, value are converted with the load factor of the bus, UiFor the voltage magnitude of i-th bus, Ui HIt is i-th
The upper voltage limit of bus, Ui LFor the lower voltage limit of i-th bus.Bus current indexWherein, θ is bus
Intersection, IiFor the electric current of i-th bus, INiFor the rated current of i-th bus.Line and transformer overload indexWherein, y is transmission line of electricity and transformer intersection, w2iFor i-th transformer lines weight because
Son, value are converted with the load factor of this transformer lines, SlFor the power of branch l, SlmaxFor the maximum size of branch l.Wind-powered electricity generation
Unit load rate indexWherein, α is the Wind turbines intersection of power output operating status, PGiFor i-th of wind turbine
The practical active power output of group, PGNiFor the specified active power output of i-th of Wind turbines.Fired power generating unit power generation load rateWherein, τ is the fired power generating unit intersection of power output operating status, PGiIt is active out for the reality of i-th of fired power generating unit
Power, PGNiFor the specified active power output of i-th of fired power generating unit.Section limit of stability indexIts
In, ψ is section intersection, w3iFor section weight, ki-0、ki-1The stability limit of front and back section i is injected for wind-powered electricity generation.Greatest limit excision
Angle δClim-maxAcquisition methods are as follows: coordinated control power grid N-1 examine when greatest limit cut off angle.
Step S030 calculates each safety effects by the state parameter of power grid after lotus-net-source coordinated control for being collected into
Factor index value.
Step S040 carries out evaluation to be formed hierarchically opinion rating score matrix V, and corresponding different grades of score value.
Opinion rating is divided into five grades of Excellent, Good, Average, Fair and Poor, corresponding opinion rating score matrix V
=[10,8,6,4,2].
Step S050 determines the fuzzy relation between safety effects factor and opinion rating, and shape according to code of points
At matrix R.7 safety effects factors after coordinated control are evaluated respectively, determine each safety effects of current state because
Element forms R matrix in the accounting of each opinion rating,
Wherein, rijIndicate i-th of safety effects factor in j-th of scoring vjOn frequency distribution.
Step S060 carries out weight analysis to each safety effects factor, obtains safety effects factor weight matrix A.
Safety effects factor weight matrix A=[0.10,0.10,0.10,0.10,0.10,0.20,0.30].
Step S070 calculates scoring model matrix B=A*R；
Step S080 is normalized B matrix to obtain B' matrix,
Step S090 calculates comprehensive score k=B'*VT。
The embodiment of the present invention is described with above attached drawing, but the invention is not limited to above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form, all of these belong to the protection of the present invention.
Claims (13)
1. a kind of lotus-net-source coordinated control consumption wind-powered electricity generation safety appraisal procedure, which comprises the following steps:
Step S010 collects the state parameter of power grid after lotus-net-source coordinated control；
Step S020 determines the safety effects factor index during lotus-net-source coordinated control dissolves wind-powered electricity generation and constitutes matrix
U；
Step S030 calculates each safety effects factor by the state parameter of power grid after lotus-net-source coordinated control for being collected into
Index value；
Step S040 carries out evaluation to be formed hierarchically opinion rating score matrix V, and corresponding different grades of score value；
Step S050 determines the fuzzy relation between safety effects factor and opinion rating according to code of points, and forms square
Battle array R；
Step S060 carries out weight analysis to each safety effects factor, obtains safety effects factor weight matrix A；
Step S070 calculates scoring model matrix B=AR；
Step S080 is normalized B matrix to obtain B' matrix,
Step S090 calculates comprehensive score k=B'VT。
2. a kind of lotus-net according to claim 1-source coordinated control consumption wind-powered electricity generation safety appraisal procedure, feature
It is, in the step S010, is collected lotus-net-by power grid centralized procurement system marks or from power network dispatching system typing
The state parameter of power grid after the coordinated control of source.
3. a kind of lotus-net according to claim 1-source coordinated control consumption wind-powered electricity generation safety appraisal procedure, feature
It is, in the step S020, the safety effects factor index during lotus-net-source coordinated control consumption wind-powered electricity generation includes
The out-of-limit index λ of busbar voltageU, bus current index λI, line and transformer overload index λL, Wind turbines rate of load condensate index
λwr, fired power generating unit power generation load rate λtr, section limit of stability index λsl, greatest limit cut off angle δClim-max。
4. a kind of lotus-net according to claim 3-source coordinated control consumption wind-powered electricity generation safety appraisal procedure, special
Sign is, in the step S020, the out-of-limit index of busbar voltageWherein Ui sp=(Ui H+
Ui L)/2, Δ Ui lim=(Ui H-Ui L)/2, θ is bus intersection, w1iFor the weight factor of i-th bus, value is with the negative of the bus
The conversion of load rate, UiFor the voltage magnitude of i-th bus, Ui HFor the upper voltage limit of i-th bus, Ui LFor the voltage of i-th bus
Lower limit.
5. a kind of lotus-net according to claim 3-source coordinated control consumption wind-powered electricity generation safety appraisal procedure, feature
It is, in the step S020, bus current indexWherein, θ is bus intersection, IiFor i-th bus
Electric current, INiFor the rated current of i-th bus.
6. a kind of lotus-net according to claim 3-source coordinated control consumption wind-powered electricity generation safety appraisal procedure, feature
It is, in the step S020, line and transformer overload indexWherein, y is transmission of electricity
Line and transformer intersection, w2iFor the weight factor of i-th transformer lines, value is rolled over the load factor of this transformer lines
It calculates, SlFor the power of branch l, SlmaxFor the maximum size of branch l.
7. a kind of lotus-net according to claim 3-source coordinated control consumption wind-powered electricity generation safety appraisal procedure, feature
It is, in the step S020, Wind turbines rate of load condensate indexWherein, α is the wind of power output operating status
Motor combination collection, PGiFor the practical active power output of i-th of Wind turbines, PGNiFor the specified active power output of i-th of Wind turbines.
8. a kind of lotus-net according to claim 3-source coordinated control consumption wind-powered electricity generation safety appraisal procedure, feature
It is, in the step S020, fired power generating unit power generation load rateWherein, τ is the fire of power output operating status
Motor combination collection, PGiFor the practical active power output of i-th of fired power generating unit, PGNiFor the specified active power output of i-th of fired power generating unit.
9. a kind of lotus-net according to claim 3-source coordinated control consumption wind-powered electricity generation safety appraisal procedure, feature
It is, in the step S020, section limit of stability indexWherein, ψ is section intersection,
w3iFor section weight, ki-0、ki-1The stability limit of front and back section i is injected for wind-powered electricity generation.
10. a kind of lotus-net according to claim 3-source coordinated control consumption wind-powered electricity generation safety appraisal procedure, feature
It is, in the step S020, greatest limit cuts off angle δClim-maxAcquisition methods are as follows: coordinated control power grid N-1 examine when
Greatest limit cuts off angle.
11. a kind of lotus-net according to claim 3-source coordinated control consumption wind-powered electricity generation safety appraisal procedure, feature
It is, in the step S040, opinion rating is divided into five grades of Excellent, Good, Average, Fair and Poor,
Corresponding opinion rating score matrix V=[10,8,6,4,2].
12. a kind of lotus-net according to claim 3-source coordinated control consumption wind-powered electricity generation safety appraisal procedure, feature
It is, in the step S050,7 safety effects factors after coordinated control is evaluated respectively, determine current state
Each safety effects factor forms R matrix in the accounting of each opinion rating,
Wherein, rijIndicate i-th of safety effects factor in j-th of scoring vjOn frequency distribution.
13. a kind of lotus-net according to claim 1-source coordinated control consumption wind-powered electricity generation safety appraisal procedure, feature
It is, in the step S060, safety effects factor weight matrix A=[0.10,0.10,0.10,0.10,0.10,
0.20,0.30].
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| CN109190905A (en) * | 2018-08-03 | 2019-01-11 | 上海交通大学 | Comprehensive source-net-lotus-storage distribution system photoelastic evaluation system and method |
| CN109242340B (en) * | 2018-09-29 | 2021-08-27 | 国网辽宁省电力有限公司电力科学研究院 | Monitoring data evaluation system and evaluation method for heat storage electric boiler digestion system |
| CN109378864B (en) * | 2018-11-01 | 2022-06-07 | 国网辽宁省电力有限公司电力科学研究院 | Source-network-load coordination optimization control method based on new energy consumption |
| CN110147917B (en) * | 2018-11-16 | 2022-06-24 | 国网江苏省电力有限公司盐城供电分公司 | Safety assessment and dynamic regulation and control method for power grid line |
| CN112531689B (en) * | 2020-11-26 | 2022-06-10 | 国网湖南省电力有限公司 | Source network load storage coordination control capability assessment method and equipment of receiving-end power system |
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| CN103337043A (en) * | 2013-06-27 | 2013-10-02 | 广东电网公司电力调度控制中心 | Pre-warning method and system for running state of electric power communication equipment |
| CN105868556A (en) * | 2016-03-29 | 2016-08-17 | 武汉福天通科技有限公司 | Bridge safety assessment method based on Beidou bridge safety monitoring system |
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| CN103337043A (en) * | 2013-06-27 | 2013-10-02 | 广东电网公司电力调度控制中心 | Pre-warning method and system for running state of electric power communication equipment |
| CN105868556A (en) * | 2016-03-29 | 2016-08-17 | 武汉福天通科技有限公司 | Bridge safety assessment method based on Beidou bridge safety monitoring system |
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