CN109409702A - A kind of operation of power networks index analysing system - Google Patents
A kind of operation of power networks index analysing system Download PDFInfo
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Abstract
The present invention discloses a kind of operation of power networks index analysing system, including the data information read module for reading operation information on D5000 and OMS, setting for start-up criterion, when there are abnormal conditions in power grid, starting index system carries out the start-up criterion unit of all data when real-time evaluation analysis and the analysis of records appraisal in time, the grid operating conditions index system unit of mode is calculated for setting indices in operation of power networks after start-up criterion unit starting, the calculation of indices for setting to grid operating conditions index system unit carries out the assessment result output unit that the index comprehensive weight calculation unit of comprehensive weight calculating and the analysis result for exporting evaluation index are referred to and used for electrical management personnel.The present invention provides a kind of operation of power networks index analysing system, and conveniently regulating and controlling personnel promptly and accurately grasp grid operating conditions, provides guidance for power network safety operation, ensures power network safety operation.
Description
Technical field
The present invention relates to power dispatching automation field more particularly to a kind of operation of power networks index analysing systems.
Background technique
Central China Power Grid is the hinge of " on national network, transferring electricity from the west to the east, north and south supply mutually ", and it is defeated to share transregional alternating current-direct current for the whole network at present
Electric channel quantity is up to 13, and alternating current-direct current mixed connection pattern and integrated operation characteristic are more obvious, " extra-high voltage, bulk power grid, big machine
" feature is more significant for group ".With the rapid development that Central China extra-high voltage alternating current-direct current serial-parallel power grid is built, power grid form and characteristic surface
Facing profound change, the whole network electrical link is increasingly close, and coupled relation is more complicated between section, and safety and stability is horizontal mutually to be restricted,
Electric network composition and trend mode change greatly, and supply and demand and security problems factor in need of consideration are more, run and control to network system
The lean and integrated horizontal of system propose requirements at the higher level.The technical level and complexity of another aspect operation of power networks are more next
Higher, the factor for inducing power grid generation complex fault is more and more, and it is steady that power grid generation complex fault seriously will jeopardize power grid security
Fixed operation, more stringent requirements are proposed to power regulation work for correct disposition power grid complex fault rapidly.
Smart grid supporting system technology (D5000) and its advanced application at present provide a large amount of real time execution numbers
According to on-line analysis as a result, but Various types of data and analysis result mutually independence and contain much information, scheduling can not be formed direct
Specific aim guidance, optimum choice and key monitoring cannot be taken to operation of power networks state.Since system can not be provided intelligently
Targetedly data analyze, for grasp regulate and control operation of power networks state, dispatcher need by a large amount of artificial data analyze and
Work is handled, the safety and stability state of electric system can be studied and judged from original measured data.As it can be seen that existing management and running
System, it is more demanding to the professional skill and scheduling experience level of regulation personnel, it is easy to appear the feelings of dispatcher's misjudgment
Condition.Therefore, compel to be essential and establish a set of operation of power networks index analysing system conveniently regulating and controlling personnel and promptly and accurately grasp operation of power networks feelings
Condition provides guidance for power network safety operation.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of operation of power networks index analysing system, from dynamic monitoring and fortune
The offer analysis and decision of the different periods, many levels such as the assessment of market condition, conveniently regulating and controlling personnel promptly and accurately grasp power grid fortune
Market condition provides guidance for power network safety operation, ensures power network safety operation.
The technical scheme adopted by the invention is as follows:
A kind of operation of power networks index analysing system, including data information read module, start-up criterion unit, operation of power networks feelings
Condition index system unit, index comprehensive weight calculation unit and assessment result output unit；
The data information read module is for reading D5000 power scheduling monitor supervision platform and OMS intelligent scheduling management
Operation information in system；
The start-up criterion unit is used for the setting of start-up criterion, when abnormal conditions occurs in power grid, is started by starting
Index system carries out all data when real-time evaluation analysis and the analysis of records appraisal in time；
The grid operating conditions index system unit is each in operation of power networks for setting after start-up criterion unit starting
The calculation of item index；
The index comprehensive weight calculation unit is used for the items set to the grid operating conditions index system unit
The calculation of index carries out comprehensive weight calculation, to obtain comprehensive evaluation index；
The analysis result that the assessment result output unit is used to export evaluation index is referred to for electrical management personnel
With use.
As the preferred of the present embodiment, on the D5000 power scheduling monitor supervision platform and OMS intelligent distribution and management system
Operation information include three-level index system data.
As the preferred of the present embodiment, the three-level index system data specifically include first class index, two-level index and three
Grade index, each first class index are made of multiple two-level index, and each two-level index is made of multiple three-level indexs；
The first class index includes safety, economy, quality and spatter property；
The safety includes following two-level index: section nargin, spinning reserve, overhaul of the equipments, the system failure, online steady
Setting analysis and early warning, weather information；
The economy includes following two-level index: utilization rate of equipment and installations, load changing rate, power generation situation, plan forecast are inclined
Difference and pumped storage unit service condition；
The quality includes following two-level index: frequency and voltage；
The spatter property includes following two-level index: clean energy resource service condition and regimen.
As the preferred of the present embodiment, the section nargin includes following three-level index: section tidal current nargin, remaining route
Ability to bear and section important line current-carrying；
The spinning reserve includes following three-level index: active spinning reserve and negative spinning reserve；
The overhaul of the equipments includes following three-level index: main transformer maintenance and important line maintenance；
The system failure includes following three-level index: equipment fault and unit unplanned outage；
The on-line stability analysis and early warning include following three-level index: element heavy duty nargin, the out-of-limit nargin of busbar voltage,
The out-of-limit nargin of short circuit current, small interference stability, public transport stability, voltage stability and frequency stability；
The weather information includes following three-level index: volcano alarm and icing alarm；
The utilization rate of equipment and installations includes following three-level index: route Rate of average load and route maximum load rate；
The loading rate includes following three-level index: peak-valley difference and peak-valley ratio；
The power generation situation includes following three-level index: equipment underloading rate；
The plan forecast deviation includes following three-level index: daily trading planning deviation ratio and daily load plan deviation rate；
The pumped storage unit service condition includes following three-level index: the weighting electricity of pumped storage unit；
The frequency includes following three-level index: frequency departure, frequency variation tendency, frequency shift (FS) duration；
The voltage includes following three-level index: node voltage shift duration, node voltage variation tendency, node are high
Voltage margin, node low voltage headroom；
The clean energy resource service condition includes following three-level index: clean energy resource accounting, clean energy resource generated energy, coal feelings
Usage amount.
As the preferred of the present embodiment, the start-up criterion unit is using automatic trigger in such a way that artificial triggering combines
It carries out；
The automatic trigger refers to when abnormal conditions occurs in power grid, can cause larger shadow to the safe and stable operation of power grid
When ringing, starts this index system and carry out real-time evaluation analysis；
The artificial triggering refers to spot dispatch operations staff according to spot dispatch actual demand and experience subjective judgement
Carry out targetedly evaluation analysis.
As the preferred of the present embodiment, after system-computed triggering, the grid operating conditions index system unit is to defeated
Enter data source and carry out targetedly assessment calculating, grid operating conditions index system unit includes that monitoring class index and triggering class refer to
Mark；
The monitoring class index refers to that index calculating still carries out, when the stable operation of power grid regardless of electric network state
When there is unusual condition, starts corresponding index and calculate, while issuing corresponding prompting message to dispatcher；
When the triggering class index refers to that power grid operates normally, triggering class index is without calculating.When operation of power networks state
Or running environment starts corresponding index and calculates when meeting certain condition.
As the preferred of the present embodiment, in the grid operating conditions index system unit, when start-up criterion unit opens
It is as follows for setting the calculation of indices in operation of power networks after dynamic:
(1) indices are quantified using mathematics method；
(2) weight of indices is determined using order relation method-negative entropy power model.
The grid operating conditions are referred in the index comprehensive weight calculation unit as the preferred of the present embodiment
The calculation of the indices of mark system unit setting carries out comprehensive weight calculation, and comprehensive evaluation index calculation is such as
Under；
Weight distribution is determined using game theory, game theory calculates master, objective weight pro rate, obtains optimal synthesis power
Weight synthesizes evaluation result.
As the preferred of the present embodiment, the assessment result output unit passes through the graphical side such as curve, table, image
Formula, and combine OMS system and large-size screen monitors Visualization Platform will run assessment result comprehensively, intuitive, lively show operation control
Personnel.
Compared with prior art, the beneficial effects of the present invention are:
1, operation of power networks index analysing system of the present invention is with national grid smart grid supporting system technology
(D5000) to rely on, from the offer analysis and decision of the different periods, many levels such as dynamic monitoring and operating condition assessment, side
Just regulation personnel promptly and accurately grasp grid operating conditions, provide guidance for power network safety operation, ensure that power grid security is steady
Fixed operation, while the safe and stable operation demand of electric system is met, comply with the trend of electric power information.
2, operation of power networks index analysing system of the present invention provides existing D5000 system and its advanced application
Data and analysis result carry out effectively integrating analysis, propose quantitative bulk power system operating condition evaluation index system, clear
Operation of power networks situation searches electrical network weak link, optimizes power grid control operation reserve, and provide to explore bulk power grid moving law
Data are supported.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of operation of power networks index analysing system of the present invention；
It is as shown in the figure: 100, data information read module, 200, start-up criterion unit, 300, grid operating conditions index body
It is unit, 400, index comprehensive weight calculation unit, 500, assessment result output unit.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Shown in Figure 1, the embodiment of the present invention provides a kind of operation of power networks index analysing system, specifically includes data information
Read module 100, start-up criterion unit 200, grid operating conditions index system unit 300, index comprehensive weight calculation unit
400 and assessment result output unit 500.In the present embodiment, data information read module 100 is for reading D5000 electric power tune
Spend the operation information on monitor supervision platform and OMS intelligent distribution and management system；Start-up criterion unit 200 is set for start-up criterion
It is fixed, when abnormal conditions occurs in power grid, real-time evaluation analysis and timely records appraisal are carried out by starting starting index system
All data when analysis；Grid operating conditions index system unit 300 refers to after start-up criterion unit starting for setting
The calculation of indices in operation of power networks；Index comprehensive weight calculation unit 400 is for referring to the grid operating conditions
The calculation of the indices of mark system unit setting carries out comprehensive weight calculation, to obtain comprehensive evaluation index；
The analysis result that assessment result output unit 500 is used to export evaluation index is referred to and is used for electrical management personnel.
In the present embodiment, data information read module 100 is for reading D5000 power scheduling monitor supervision platform and OMS
Operation information on intelligent distribution and management system；Specific D5000 power scheduling monitor supervision platform and OMS intelligent scheduling management system
Operation information on system includes following three-level index system data；The three-level index system data specifically include first class index,
Two-level index and three-level index, each first class index are made of multiple two-level index, and each two-level index is by multiple
Three-level index composition.In the present embodiment, first class index mainly includes safety, economy, quality and spatter property this four；
Include following several two-level index in first class index safety: section nargin, spinning reserve, overhaul of the equipments, the system failure,
Line stability analysis and early warning, weather information；The section nargin includes following three-level index: section tidal current nargin, remaining route
Ability to bear and section important line current-carrying；The spinning reserve includes following three-level index: active spinning reserve and negative rotation turn
It is spare；The overhaul of the equipments includes following three-level index: main transformer maintenance and important line maintenance；The system failure includes as follows
Three-level index: equipment fault and unit unplanned outage；The on-line stability analysis and early warning include following three-level index: element
The out-of-limit nargin of heavily loaded nargin, busbar voltage, the out-of-limit nargin of short circuit current, small interference stability, public transport stability, voltage stability and
Frequency stability；The weather information includes following three-level index: volcano alarm and icing alarm.In first class index economy
Including following several two-level index: utilization rate of equipment and installations, load changing rate, power generation situation, plan forecast deviation and pumped storage unit make
Use situation；The utilization rate of equipment and installations includes following three-level index: route Rate of average load and route maximum load rate；The load
Change rate includes following three-level index: peak-valley difference and peak-valley ratio；The power generation situation includes following three-level index: equipment underloading
Rate；The plan forecast deviation includes following three-level index: daily trading planning deviation ratio and daily load plan deviation rate；The pumping
Storing unit service condition includes following three-level index: the weighting electricity of pumped storage unit.It include as follows in first class index quality
Several two-level index: frequency and voltage；The frequency includes following three-level index: frequency departure, frequency variation tendency, frequency are inclined
Move the duration；The voltage includes following three-level index: node voltage shift duration, node voltage variation tendency, section
Point high voltage nargin, node low voltage headroom.Include following several two-level index in first class index spatter property: clean energy resource makes
With situation and regimen；The clean energy resource service condition includes following three-level index: clean energy resource accounting, clean energy resource power generation
Amount, coal feelings usage amount.
In the present embodiment, it assesses and classifies according to grid operating conditions, start-up criterion unit 200 uses automatic trigger and people
It is carried out to trigger the mode combined；Automatic trigger refers to threat when abnormal conditions occurs in power grid, such as meteorological disaster, electricity
State that net breaks down or critical elements put into operation occurs abnormal or changes, and can affect greatly to the safe and stable operation of power grid
When, start this index system and carries out real-time evaluation analysis；Artificial triggering refers to spot dispatch operations staff according to spot dispatch
The developments such as subjective judgements such as actual demand and experience targetedly evaluation analysis.Such as assessment, system may be configured as 15 in real time
Automatic trigger calculates when minute or 30 minutes or power grid exception；It day, the moon automatic trigger can be used year is mutually tied with artificial triggering
It closes.In the present embodiment, used by automatic trigger mode is the dynamic monitoring of operation of power networks index and operating condition assessment system
Main Patterns, real-time and the degree of automation are higher, and artificially trigger mode then and be the necessary complement to automatic trigger mode, tool
There is higher triggering priority, copes with management and running for improving the dynamic monitoring of operation of power networks index and operating condition assessment system
The ability of variation.
In the present embodiment, after start-up criterion unit triggers, grid operating conditions index system unit 300 is based on assessment
Index system (in the present embodiment, evaluation index system refers to three-level index system) carries out specific aim to input data source
Assessment calculate；Evaluation index system is divided into two class indexs in grid operating conditions index system unit 300, is respectively supervised
Survey class index and triggering class index, wherein monitoring class index, which refers to, carries out actual time safety estimation of stability to power grid, regardless of power grid
State is how, and index calculating still carries out, and when unusual condition occurs in the stable operation of power grid, starts corresponding index and calculates,
Corresponding remind is issued to dispatcher simultaneously；Triggering class index refer to power grid operate normally when, such index without calculate,
When operation of power networks state or running environment meet certain condition, starts corresponding index and calculate.In the present embodiment, three-level refers to
Index (including all first class index, two-level index and three-level index) in mark system can be classified as supervising as needed
Class index and triggering class index are surveyed, the classification of each certain index (refers to that each index is specifically to belong to monitoring class index
Still fall within triggering class index) it can be adjusted during actual electric network operation.
In the present embodiment, to realize that the association of same period each operating index assessment result calculates analysis, we are first
First each index is quantified, in the present embodiment, we quantify indices using mathematics method, using sequence
Relations act-negative entropy power model determines the weight of indices.We specifically to introduce mathematics method and order relation below
Method-negative entropy weighs model.
One, mathematics method quantizating index
Mathematics method (Fuzzy Mathematics) is to be subordinate to topology degree according to fuzzy mathematics, for evaluation object
In fuzzy relation that is qualitative and quantifying, evaluations matrix is established according to multiple factors of evaluation using fuzzy composition principle, is used
Maximum membership degree judges a kind of evaluation method of superiority and inferiority.It has it is clear in structure, systemic it is strong, can preferably solve index and be difficult to
The characteristics of quantization, is widely used on integrated evaluating method.It calculates step
1) it defines index set U and judges collection A.
U=[Ui... Ui... Un], in formula: UiFor the next stage index of index set U.
A=[Ai..., Aj..., Am], in formula: AjFor index grade, index is divided into " very poor, poor, general, preferable,
5 grades very well ", grade quantizing result A*It indicates.
A*=[0.1,0.3,0.5,0.7,0.9] (22)
2) mathematics method Calculation Estimation matrix R is used.
In formula: rijTo indicate UiIn Grade AjDegree of membership.
Two, order relation method-negative entropy power model determines the weight of indices
For the interference for effectively reducing subjective factor, weight setting is divided into main, objective two parts by the present invention.Subjective aspect,
The present invention determines index weights using order relation method, and this method is not necessarily to consistency check；Objective aspects, the present invention are weighed using negative entropy
Method is determined index weights.Combination weighting had both given full play to the experience of expert compared with individual subjective or Objective Weight
The step of advantage, in turn ensures the reliability of objective results, order relation method is as follows:
1) order relation is determined:
According to the relative importance of each instruction, order relation is determined according to the standard that expert gives are as follows: U1> U2> ... Ui
2) importance scale and parameter weight are determined:
It uses herein iIndicate index UiSubjective weight, riIndicate index Ui-1With UiRelative importance, then:
3) by expertise to rkAssignment calculates weight.
Obtain subjective weight vectors
Steps are as follows for anti-entropy assessment:
1) according to index set U, difference matrix D is established.
In formula:K=1,2 ... t.
2) secondary index U is calculatediNegative entropy hi。
In formula:
3) objective weight vector w is determined*。
In formula:
Being weighed in the model present invention by mathematics method and order relation method-negative entropy realizes to appraisement system middle finger target amount
Change, specially first class index is determined according to the degree of membership of affiliated two-level index and weight, and two-level index is according to affiliated three-level
The degree of membership and weight of index determines.The calculation of all indexs is the same.
In the present embodiment, in index comprehensive weight calculation unit 400, by power grid operation personnel to corresponding index to power grid
The empirical knowledge of operation importance is converted to the weighted value realized when index comprehensive calculates, to the grid operating conditions index
The calculation of the indices of system unit setting carries out comprehensive weight calculation, in the present invention, comprehensive evaluation index
Calculation determines weight distribution using game theory, and game theory calculates master, objective weight pro rate, obtains optimal synthesis power
Weight synthesizes evaluation result.
Game theory determines weight distribution, obtains optimal synthesis weight, synthesizes evaluation result, and it is shown that detailed process is as follows；
Game theory calculates master, objective weight pro rate as follows:
1) according to N kind method parameter weight, N number of index weights vector w is obtainedk。
wk=(wk1..., wk2... wN), k=1,2 ..., N (29)
2) linear combination is carried out to N number of index weights vector.
Wherein: αiFor weight coefficient,
3) to w and wkCarry out the processing of deviation minimum
It can be obtained by matrix differential property, above-mentioned decision model optimizes first derivative condition are as follows:
Acquire weight coefficient vector (α1... αk..., αN), normalization obtains optimal weights coefficient
4) formula (30) are substituted into and obtain comprehensive optimal weights w*。
5) evaluation result f is synthesized.
F=w*R (35)
In formula: f is the evaluation vector of instruction collection U.By evaluation vector f and judge collection A*It is power synthesis to get overall merit
As a result.
According to, it is above-mentioned to introduce us, below we for " section nargin ", this specific index is described in detail,
It lists part calculating process and as a result, shows that safety indexes concentrate the calculating process of section margin index by example.
" section nargin " can accurately reflect current electric grid operating condition, and power flowcontrol is to guarantee power network safety operation
One of basic means, below we analysis (i.e. the calculating of " section nargin ") calculated come to whole by the statistics being distributed to trend
The introduction of an example is done in the calculating of a index system, and the calculating of other indexs in index system is all according to this calculating side
Formula carries out.
1. section tidal current nargin
Index meaning:
Section tidal current nargin S11: reflection current section trend value is at a distance from the section tidal current limit.
Index calculates:
In formula: PmaxFor section tidal current power limit, take quiet steady, temporarily steady and heat it is steady in smaller value；
P0For current section trend size.
2. remaining route ability to bear
Index meaning:
Remaining route ability to bear S12: it reflects under fault case, section transimission power is to the case where adjacent lines transfer.
Index calculates:
In formula: PiFor the transimission power of route i in section；For the sum of remaining capacity of trunk.
3. important line current-carrying nargin
Index meaning:
Important line current-carrying nargin S13: reflection line energizing flow amount allows at a distance from current-carrying capacity with route.
Index calculates:
In formula: ImaxFor line threshold power corresponding current size；I0For route measured current, line taking road both ends electric current compared with
Big value.
1. safety-section margin index analysis and assessment
1) evaluations matrix is sought.
Index set: U=[S11, S12, S13]
It judges and collects and quantify: A*=[0.1,0.3,0.5,0.7,0.9]
Collection A is being judged according to index set U*On blurring result obtain evaluations matrix R
2) weight determines.
Using order relation method by 3 three-level index section tidal current nargin, the remaining route ability to bear, again under section nargin
It wants line energizing flow according to the descending sequence of relative importance, subjective weight vectors w is obtained by expertise assignment formula*
Objective weight vector w is determined using anti-entropy assessment*
Comprehensive weight vector.
Since master, objective weight calculated value have differences, according to formula (30), master, objective weight vector are carried out linear group
It closes, is based on optimal control policy, index weights vector is subjected to the processing of deviation minimum, with Matlab software to the differential equation
It solves, is led, objective weight coefficient is respectively as follows: α1=0.7949, α2=0.2878, after normalized the optimal power of index
Weight coefficientAnd then obtain comprehensive weight vector w*=[0.329 0.481 0.190].
4) quantized result
F=w*R=[0 0.087 0.421 0.304 0.356]
Weighting synthesis final score:
From the results of view, determine that subjective weighted value, obtained three-level index section tidal current are abundant due to taking order relation method
Degree, remaining route ability to bear, important line current-carrying weight are 0.34,0.55,0.11 respectively.It is effectively avoided during realization
The makeover process of judgment matrix, solves the problems, such as that judgment matrix is inconsistent, meanwhile, in master, the objective weight pro rate,
Linear combination carried out to weight due to using game theoretical model, the comprehensive weight of 3 three-level indexs is respectively 0.329,
0.481,0.190, the ratio between master, objective weight has been coordinated in equilibrium, so that index comprehensive weight is between master, objective weight
Deviation reached minimum, obtained comprehensive weight coefficient is more scientific, more reliable, and the evaluation finally obtained is scored at 0.659, instead
Central China power grid section nargin actual state, the raising to safe operation of electric network, stabilization and the working efficiency of dispatcher are reflected
All it is of great significance.
In the present embodiment, assessment result output unit 500 is by patterned ways such as curve, table, images, and combines
OMS system and large-size screen monitors Visualization Platform will run assessment result comprehensively, intuitive, lively show operation controllers.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (9)
1. a kind of operation of power networks index analysing system, it is characterised in that: including data information read module, start-up criterion unit,
Grid operating conditions index system unit, index comprehensive weight calculation unit and assessment result output unit；
The data information read module is for reading D5000 power scheduling monitor supervision platform and OMS intelligent distribution and management system
On operation information；
The start-up criterion unit is used for the setting of start-up criterion, when abnormal conditions occurs in power grid, starts index by starting
System carries out all data when real-time evaluation analysis and the analysis of records appraisal in time；
The grid operating conditions index system unit refers to after start-up criterion unit starting for setting items in operation of power networks
Target calculation；
The index comprehensive weight calculation unit is used for the indices set to the grid operating conditions index system unit
Calculation carry out comprehensive weight calculation, to obtain comprehensive evaluation index；
The analysis result that the assessment result output unit is used to export evaluation index refers to and makes for electrical management personnel
With.
2. operation of power networks index analysing system according to claim 1, which is characterized in that
Operation information on the D5000 power scheduling monitor supervision platform and OMS intelligent distribution and management system includes three-level index
System data.
3. operation of power networks index analysing system according to claim 2, it is characterised in that: the three-level index system data
First class index, two-level index and three-level index are specifically included, each first class index is made of multiple two-level index, Mei Yisuo
Two-level index is stated to be made of multiple three-level indexs；
The first class index includes safety, economy, quality and spatter property；
The safety includes following two-level index: section nargin, spinning reserve, overhaul of the equipments, the system failure, online stablize are divided
Analysis and early warning, weather information；
The economy includes following two-level index: utilization rate of equipment and installations, load changing rate, power generation situation, plan forecast deviation and
Pumped storage unit service condition；
The quality includes following two-level index: frequency and voltage；
The spatter property includes following two-level index: clean energy resource service condition and regimen.
4. operation of power networks index analysing system according to claim 3, which is characterized in that
The section nargin includes following three-level index: section tidal current nargin, remaining route ability to bear and section important line
Current-carrying；
The spinning reserve includes following three-level index: active spinning reserve and negative spinning reserve；
The overhaul of the equipments includes following three-level index: main transformer maintenance and important line maintenance；
The system failure includes following three-level index: equipment fault and unit unplanned outage；
The on-line stability analysis and early warning include following three-level index: element heavy duty nargin, the out-of-limit nargin of busbar voltage, short circuit
The out-of-limit nargin of electric current, small interference stability, public transport stability, voltage stability and frequency stability；
The weather information includes following three-level index: volcano alarm and icing alarm；
The utilization rate of equipment and installations includes following three-level index: route Rate of average load and route maximum load rate；
The loading rate includes following three-level index: peak-valley difference and peak-valley ratio；
The power generation situation includes following three-level index: equipment underloading rate；
The plan forecast deviation includes following three-level index: daily trading planning deviation ratio and daily load plan deviation rate；
The pumped storage unit service condition includes following three-level index: the weighting electricity of pumped storage unit；
The frequency includes following three-level index: frequency departure, frequency variation tendency, frequency shift (FS) duration；
The voltage includes following three-level index: node voltage shift duration, node voltage variation tendency, node high voltage
Nargin, node low voltage headroom；
The clean energy resource service condition includes following three-level index: clean energy resource accounting, clean energy resource generated energy, coal feelings use
Amount.
5. operation of power networks index analysing system according to claim 1, it is characterised in that: start-up criterion unit is using automatic
Triggering is carried out with artificially triggering the mode combined；
The automatic trigger refers to when abnormal conditions occurs in power grid, can affect greatly to the safe and stable operation of power grid
When, start this index system and carries out real-time evaluation analysis；
The artificial triggering refers to that spot dispatch operations staff carries out according to spot dispatch actual demand and experience subjective judgement
Targetedly evaluation analysis.
6. operation of power networks index analysing system according to claim 3, it is characterised in that: after system-computed triggering, institute
It states grid operating conditions index system unit and targetedly assessment calculating, grid operating conditions index body is carried out to input data source
It is that unit includes monitoring class index and triggering class index；
The monitoring class index refers to that, regardless of electric network state, index calculating still carries out, when the stable operation of power grid occurs
When unusual condition, starts corresponding index and calculate, while issuing corresponding prompting message to dispatcher；
When the triggering class index refers to that power grid operates normally, triggering class index is without calculating.When operation of power networks state or fortune
When row environment meets certain condition, starts corresponding index and calculate.
7. operation of power networks index analysing system according to claim 1, which is characterized in that refer in the grid operating conditions
It is as follows for setting the calculation of indices in operation of power networks after start-up criterion unit starting in mark system unit:
(1) indices are quantified using mathematics method；
(2) weight of indices is determined using order relation method-negative entropy power model.
8. operation of power networks index analysing system according to claim 7, which is characterized in that in the index comprehensive weight meter
It calculates in unit, comprehensive weight is carried out to the calculation of the indices of grid operating conditions index system unit setting
It calculates, comprehensive evaluation index calculation is as follows；
Weight distribution is determined using game theory, game theory calculates master, objective weight pro rate, optimal synthesis weight is obtained,
Synthesize evaluation result.
9. operation of power networks index analysing system according to claim 8, it is characterised in that: the assessment result output unit
By patterned ways such as curve, table, images, and it is complete to combine OMS system and large-size screen monitors Visualization Platform that will run assessment result
Face intuitive, lively shows operation controllers.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110097197A (en) * | 2019-05-13 | 2019-08-06 | 武汉华飞智能电气科技有限公司 | A kind of power grid security various dimensions appraisal procedure and system |
| CN110543889A (en) * | 2019-07-18 | 2019-12-06 | 广州供电局有限公司 | power load hierarchical clustering method and device, computer equipment and storage medium |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107358332A (en) * | 2017-05-18 | 2017-11-17 | 国网浙江省电力公司 | A kind of dispatching of power netwoks runs lean evaluation method |
| CN107832971A (en) * | 2017-11-27 | 2018-03-23 | 国家电网公司华中分部 | A kind of power network index evaluating method based on SCADA and OMS |
-
2018
- 2018-10-10 CN CN201811180323.8A patent/CN109409702A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107358332A (en) * | 2017-05-18 | 2017-11-17 | 国网浙江省电力公司 | A kind of dispatching of power netwoks runs lean evaluation method |
| CN107832971A (en) * | 2017-11-27 | 2018-03-23 | 国家电网公司华中分部 | A kind of power network index evaluating method based on SCADA and OMS |
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|---|---|---|---|---|
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| CN111367974A (en) * | 2020-03-25 | 2020-07-03 | 国电南瑞科技股份有限公司 | Data output method and system suitable for large power grid dispatching operation |
| CN111680894B (en) * | 2020-05-26 | 2023-04-07 | 国网宁夏电力有限公司 | Power grid safety and stability evaluation method, device and system |
| CN111680894A (en) * | 2020-05-26 | 2020-09-18 | 国网宁夏电力有限公司 | Power grid safety and stability evaluation method, device and system |
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