CN106845784A - A kind of crucial Quantization Index System of bulk power grid operation coordinated based on analysis - Google Patents
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Abstract
The invention discloses a kind of evaluation system of the crucial Quantization Index System of bulk power grid operation based on composition decomposition, it is characterised in that the evaluation system includes parameter collection module, processing module, judge module and analysis module；Acquisition module gathers the operational factor in the bulk power grid；The processing module is connected with the judge module, obtains processing data for carrying out data processing to the operational factor, and send to the judge module；The judge module is connected with the analysis module, is judged whether to analyze the processing data using composition decomposition method according to processing data；When judged result according to the judge module is no, the security run using bulk power grid described in global analysis's method global analysis, economy, quality.Judged result is when being, the ruuning situation that processing data analyzes global power network according to the grid condition of regional area to be calculated using the method for composition decomposition.
Description
Technical field
The present invention relates to field of power, more particularly to a kind of crucial quantization of bulk power grid operation coordinated based on analysis is referred to
Mark system.
Background technology
As electricity market reform deepens continuously, the continuous lifting of terminal user's need for electricity, interconnection power system with
And the further input of UHV transmission line, the complexity of operation of power networks constantly lifts.Its coupling is mainly reflected in time, sky
Between and three aspects of object.In time, it is divided into Real-Time Scheduling, short term scheduling and medium-term and long-term scheduling；Spatially, it is divided into net
Adjust, save harmonically tune etc., subordinate's decision-making feasible zone is influenceed by upper strata decision-making；On object, Operation of Electric Systems has multiple
Target, such as safety, economy, environment, trade-off is needed between each target.Dispatcher is grasping each time scale operation letter
Breath, the whole network and part's running state information, on the premise of various target calls are met, are uniformly coordinated planning, and analysis is determined
Plan.However, with the complication of power network, unified planning cannot reflect influence of each regional area to global area.
At present, Distributed Calculation research is carried out just for single index in the prior art, these achievements are relatively scattered, orphan
It is vertical, the running status of power network is only evaluated in terms of single, it is impossible to from the entirety of global, macroscopic view angle reflection transmission of electricity network operation
Situation, lacks according to the index of regional area to reflect the index system of global area.
The content of the invention
It is an object of the invention to provide a kind of influence to global area that can reflect each regional area based on analysis
The crucial Quantization Index System of bulk power grid operation of coordination.
To achieve the above object, the invention provides following scheme：
A kind of evaluation system of the crucial Quantization Index System of bulk power grid operation based on composition decomposition of the present invention includes parameter
Acquisition module, processing module, judge module and analysis module；The parameter collection module is connected with the processing module, is used for
The operational factor in the bulk power grid is gathered, and is sent to the processing module；The processing module connects with the judge module
Connect, obtain processing data for carrying out data processing to the operational factor, and send to the judge module；The judgement mould
Block is connected with the analysis module, for being judged whether to analyze the treatment number using composition decomposition method according to processing data
According to；It is when being, using composition decomposition method local calculation that the analysis module is used for according to the judged result of the judge module
The security of bulk power grid operation described in global analysis is realized, economy, quality is additionally operable to the judgement according to the judge module
When result is no, the security run using bulk power grid described in global calculation global analysis, economy, quality.
Optionally, the judge module is specifically included：Computing module, division module, selection weight module, merging module.
Optionally, the operational factor is specifically included：Virtual voltage nargin, damping ratio, frequency stabilization index, voltage stabilization
Index, network losses rate, water power utilization ratio, gross coal consumption rate cost, system frequency qualification rate, major network node voltage are qualified
Rate, regenerative resource are exerted oneself ratio, regenerative resource full at least one of hair rate of installation.
Optionally, the security, the economy, the quality are specifically included：
The security of bulk power grid operation is determined according to the static security and the transient security, the static state
Safety is determined that the voltage status determine by calculating the voltage margin, described small by the voltage and the small interference
Interference determines that the transient security is by the frequency stabilization index and the voltage stability index by calculating the damping ratio
It is determined that；The economy of the bulk power grid determines that the electric energy is transmitted through calculating by electric energy transmission and the utilization of resources
The network losses rate, the utilization of resources is by calculating the water power utilization ratio and the gross coal consumption rate cost；It is described
The quality of bulk power grid determines that the quality of power supply is by calculating the system frequently by the quality of power supply and the green operation
Rate qualification rate and the major network node voltage qualification rate determine, the green operation is exerted oneself ratio by calculating the regenerative resource
Example and regenerative resource installation completely hair rate determine.
A kind of evaluation method of the crucial Quantization Index System of bulk power grid operation based on composition decomposition includes：
Step one：Operational factor in collection bulk power grid；
Step 2：Process the operational factor and obtain processing data, judged whether using decomposition according to the processing data
Coordination approach is analyzed, if it is, performing step 3；Otherwise perform step 4；
Step 3：The security run using bulk power grid described in composition decomposition method partial analysis, economy, quality；
Step 4：The security run using bulk power grid described in global analysis's method global analysis, economy, quality.
Optionally, it is described judge whether to composition decomposition calculate specifically include：
Composition decomposition is judged whether to according to leading index to calculate, specifically include：
Step one：Sensitivity matrix between calculated load node voltage and generator node voltage；
Step 2：Primary partition where dividing load bus according to level of sensitivity, obtains the number of primary partition
Number with generator is equal, and each load bus is pertaining only to a primary partition；
Step 3：The idle transfer rate of circuit is selected as circuit weight；
Step 4：Increase maximum according to circuit weight or reduce minimum direction, successively merge that side is connected is initial
Subregion, until system merges into a subregion；
Step 6：According to the situation of change of iterative process center line right of way weight, optimum partition number and optimal subregion are determined
Mode.
Optionally, the security that the bulk power grid runs, economy, quality bag are analyzed using the method for composition decomposition
Include：The computational methods of the security include：
On the basis of the border coordination equation built in distributed scheduling person's trend, by introducing stressor to system
Load be adjusted, after system loading is multiplied by as new system loading, then carry out Load flow calculation, when Load flow calculation occur
During the unusual situation of Jacobian matrix, virtual voltage nargin is calculated；Or calculating damping ratio is carried out by self-excitation；Or using direct
Method and the time-domain-simulation method based on numerical integration calculate frequency stabilization index, voltage stability index；
The computational methods of the economy include：
The electric power networks proportion of goods damageds：
Wherein, the delivery is the gross generation in all power plants in system with the difference of station-service electricity；The power network
The electricity that is lost by all power transmissions, power transformation and distribution link of loss of electricity；
Generating water consumption rate：
Water provenance：
Thermoelectricity gross coal consumption rate cost：
∑ coa consumption rate × generated energy (4)；
Quality index：
System frequency qualification rate is：
Major network node voltage qualification rate is：
Regenerative resource is exerted oneself ratio：
Regenerative resource installation completely hair rate：
According to the specific embodiment that the present invention is provided, the invention discloses following technique effect：The invention discloses one kind
The evaluation system of the crucial Quantization Index System of bulk power grid operation based on composition decomposition, the operation ginseng of acquisition module collection bulk power grid
Number, processing module is processed the operational factor for gathering, and judge module carries out judging whether using decomposition to the data for processing
The method of coordination, the method using composition decomposition reflects the situation of global power network according to the situation of the power network of regional area.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
The accompanying drawing for needing to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the invention
Example, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is a kind of group of the evaluation system of the crucial Quantization Index System of bulk power grid operation based on composition decomposition of the present invention
Into block diagram；
During Fig. 2 is a kind of evaluation system of the bulk power grid crucial Quantization Index System of operation based on composition decomposition of the present invention
The composition frame chart of judge module；
Fig. 3 is a kind of stream of the evaluation method of the crucial Quantization Index System of bulk power grid operation based on composition decomposition of the present invention
Cheng Tu；
Fig. 4 is the flow chart that the present invention judges whether to composition decomposition calculating.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
It is an object of the invention to provide a kind of influence to global area that can reflect each regional area based on decomposition
The crucial Quantization Index System of bulk power grid operation of coordination.
It is below in conjunction with the accompanying drawings and specific real to enable the above objects, features and advantages of the present invention more obvious understandable
The present invention is further detailed explanation to apply mode.
As shown in figure 1, a kind of evaluation system of the crucial Quantization Index System of bulk power grid operation based on composition decomposition of the present invention
System includes parameter collection module 1, processing module 2, judge module 3 and analysis module 4；The parameter collection module 1 and the place
Reason module 2 is connected, and for gathering the operational factor in the bulk power grid, and is sent to the processing module 2；The processing module
2 are connected with the judge module 3, and processing data is obtained for carrying out data processing to the operational factor, and are sent to described
Judge module 3；The judge module 3 is connected with the analysis module 4, for being judged whether to be assisted using decomposition according to processing data
Tune method analyzes the processing data；It is when being, to adopt that the analysis module 4 is used for according to the judged result of the judge module 3
The security run with bulk power grid described in composition decomposition method partial analysis, economy, quality, and using global analysis's method
The security of bulk power grid operation, economy, quality described in global analysis；It is additionally operable to the judgement knot according to the judge module 3
When fruit is no, the security run using bulk power grid described in global analysis's method global analysis, economy, quality.
The judge module 3 is specifically included：Computing module 5, division module 6, selection weight module 7, merging module 8.
The operational factor is specifically included：Virtual voltage nargin, damping ratio, frequency stabilization index, voltage stability index, electricity
It is the power net proportion of goods damageds, water power utilization ratio, gross coal consumption rate cost, system frequency qualification rate, major network node voltage qualification rate, renewable
The energy is exerted oneself ratio, regenerative resource full at least one of hair rate of installation.
The security, the economy, the quality are specifically included：
The security of bulk power grid operation is determined according to the static security and the transient security, the static state
Safety is determined that the voltage status determine by calculating the voltage margin, described small by the voltage and the small interference
Interference determines that the transient security is by the frequency stabilization index and the voltage stability index by calculating the damping ratio
It is determined that；The economy of the bulk power grid determines that the electric energy is transmitted through calculating by electric energy transmission and the utilization of resources
The network losses rate, the utilization of resources is by calculating the water power utilization ratio and the gross coal consumption rate cost；It is described
The quality of bulk power grid determines that the quality of power supply is by calculating the system frequently by the quality of power supply and the green operation
Rate qualification rate and the major network node voltage qualification rate determine, the green operation is exerted oneself ratio by calculating the regenerative resource
Example and regenerative resource installation completely hair rate determine.
As shown in figure 3, a kind of evaluation method of the crucial Quantization Index System of bulk power grid operation based on composition decomposition includes：
Step 100：Operational factor in collection bulk power grid.
Step 200：Process the operational factor and obtain processing data.
Step 300：Judged whether to be analyzed using composition decomposition method according to the processing data, if it is, performing step
400；Otherwise perform step 500.
Step 400：The security run using bulk power grid described in composition decomposition method local calculation global analysis, it is economical
Property, quality.
Step 500：The security run using bulk power grid described in global calculation global analysis, economy, quality.
As shown in figure 4, it is described judge whether to composition decomposition calculate specifically include：
Composition decomposition is judged whether to according to leading index to calculate, specifically include：
Step 301：Sensitivity matrix between calculated load node voltage and generator node voltage.
Step 302：Primary partition where dividing load bus according to level of sensitivity, obtains the number of primary partition
Number with generator is equal, and each load bus is pertaining only to a primary partition.
Step 303：The idle transfer rate of circuit is selected as circuit weight.
Step 304：Increase maximum according to circuit weight or reduce minimum direction, successively merge that side is connected is initial
Subregion, until system merges into a subregion.
Step 305：According to the situation of change of iterative process center line right of way weight, optimum partition number and optimal subregion are determined
Mode.
The security that the bulk power grid runs is analyzed using the method for composition decomposition, economy, quality includes：The peace
The computational methods of full property include：
On the basis of the border coordination equation built in distributed scheduling person's trend, by introducing stressor to system
Load be adjusted, after system loading is multiplied by as new system loading, then carry out Load flow calculation, when Load flow calculation occur
During the unusual situation of Jacobian matrix, virtual voltage nargin is calculated；Or calculating damping ratio is carried out by self-excitation；Or using direct
Method and the time-domain-simulation method based on numerical integration calculate frequency stabilization index, voltage stability index；
The computational methods of the economy include：
The electric power networks proportion of goods damageds：
Wherein, the delivery is the gross generation in all power plants in system with the difference of station-service electricity；The power network
The electricity that is lost by all power transmissions, power transformation and distribution link of loss of electricity；
Generating water consumption rate：
Water provenance：
Thermoelectricity gross coal consumption rate cost：
∑ coa consumption rate × generated energy (4)；
Quality index：
System frequency qualification rate is：
Major network node voltage qualification rate is：
Regenerative resource is exerted oneself ratio：
Regenerative resource installation completely hair rate：
Each embodiment is described by the way of progressive in this specification, and what each embodiment was stressed is and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.For system disclosed in embodiment
For, because it is corresponded to the method disclosed in Example, so description is fairly simple, related part is said referring to method part
It is bright.
Specific case used herein is set forth to principle of the invention and implementation method, and above example is said
It is bright to be only intended to help and understand the method for the present invention and its core concept；Simultaneously for those of ordinary skill in the art, foundation
Thought of the invention, will change in specific embodiments and applications.In sum, this specification content is not
It is interpreted as limitation of the present invention.
Claims (7)
1. a kind of bulk power grid based on composition decomposition runs the evaluation system of crucial Quantization Index System, it is characterised in that described
Evaluation system includes parameter collection module, processing module, judge module and analysis module；
The parameter collection module is connected with the processing module, for gathering the operational factor in the bulk power grid, and sends
To the processing module；
The processing module is connected with the judge module, obtains processing number for carrying out the operational factor data processing
According to, and send to the judge module；
The judge module is connected with the analysis module, for being judged whether using composition decomposition method point according to processing data
Analyse the processing data；
It is when being, using composition decomposition method according to part that the analysis module is used for according to the judged result of the judge module
Result of calculation realizes the security of bulk power grid operation described in global analysis, and economy, quality is additionally operable to according to the judgement mould
When the judged result of block is no, the security run using bulk power grid described in global calculation global analysis, economy, quality.
2. a kind of bulk power grid based on composition decomposition according to claim 1 runs the evaluation system of crucial Quantization Index System
System, it is characterised in that the judge module is specifically included：Computing module, division module, selection weight module, merging module.
3. a kind of bulk power grid based on composition decomposition according to claim 1 runs the evaluation system of crucial Quantization Index System
System, it is characterised in that the operational factor is specifically included：Virtual voltage nargin, damping ratio, frequency stabilization index, voltage stabilization
Index, network losses rate, water power utilization ratio, gross coal consumption rate cost, system frequency qualification rate, major network node voltage are qualified
Rate, regenerative resource are exerted oneself ratio, regenerative resource full at least one of hair rate of installation.
4. a kind of bulk power grid based on composition decomposition according to claim 3 runs the evaluation system of crucial Quantization Index System
System, it is characterised in that the security, the economy, the quality are specifically included：
The security of bulk power grid operation is determined according to the static security and the transient security, the static security
Determined by the voltage and the small interference, the voltage status are determined by calculating the voltage margin, the small interference
Determined by calculating the damping ratio, the transient security is true by the frequency stabilization index and the voltage stability index
It is fixed；
The economy of the bulk power grid is determined that the electric energy is transmitted through calculating institute by electric energy transmission and the utilization of resources
Network losses rate is stated, the utilization of resources is by calculating the water power utilization ratio and the gross coal consumption rate cost；
The quality of the bulk power grid determines that the quality of power supply is by calculating by the quality of power supply and the green operation
State system frequency qualification rate and the major network node voltage qualification rate determines, the green operation is by calculating the renewable energy
Source exert oneself ratio and the regenerative resource installation completely hair rate determine.
5. a kind of bulk power grid based on composition decomposition runs the evaluation method of crucial Quantization Index System, it is characterised in that described
Evaluation method includes：
Step one：Operational factor in collection bulk power grid；
Step 2：Process the operational factor and obtain processing data, judge whether to use composition decomposition according to the processing data
Method is analyzed, if it is, performing step 3；Otherwise perform step 4；
Step 3：The security that bulk power grid described in global analysis runs is realized using composition decomposition method local calculation, economy,
Quality；
Step 4：The security run using bulk power grid described in global analysis's method global analysis, economy, quality.
6. a kind of bulk power grid based on composition decomposition according to claim 5 runs the evaluation side of crucial Quantization Index System
Method, it is characterised in that it is described judge whether to composition decomposition calculate specifically include：
Composition decomposition is judged whether to according to leading index to calculate, specifically include：
Step one：Sensitivity matrix between calculated load node voltage and generator node voltage；
Step 2：Primary partition where dividing load bus according to level of sensitivity, obtains the number and hair of primary partition
The number of motor is equal, and each load bus is pertaining only to a primary partition；
Step 3：The idle transfer rate of circuit is selected as circuit weight；
Step 4：Increase maximum according to circuit weight or reduce minimum direction, successively merge the connected primary partition in side,
Until system merges into a subregion；
Step 6：According to the situation of change of iterative process center line right of way weight, optimum partition number and optimal partitioned mode are determined.
7. a kind of bulk power grid based on composition decomposition according to claim 5 runs the evaluation side of crucial Quantization Index System
Method, it is characterised in that the security of the bulk power grid operation is analyzed using the method for composition decomposition, economy, quality includes：
The computational methods of the security include：
On the basis of the border coordination equation built in distributed scheduling person's trend, system is born by introducing stressor
Lotus is adjusted, and after system loading is multiplied by as new system loading, then carries out Load flow calculation, when Load flow calculation occur it is refined can
Than Singular Value situation when, calculate virtual voltage nargin；
Or calculating damping ratio is carried out by self-excitation；
Or use direct method and the time-domain-simulation method based on numerical integration to calculate frequency stabilization index, voltage stability index；
The computational methods of the economy include：
Wherein, the delivery is the gross generation in all power plants in system with the difference of station-service electricity；The damage of the power network
The electricity that power consumption is lost by all power transmissions, power transformation and distribution link；
Water provenance：
Thermoelectricity gross coal consumption rate cost：
∑ coa consumption rate × generated energy (4)；
Quality index：
System frequency qualification rate is：
Major network node voltage qualification rate is：
Regenerative resource is exerted oneself ratio：
Regenerative resource installation completely hair rate：
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2016
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|---|---|---|---|---|
| CN104201691A (en) * | 2014-08-06 | 2014-12-10 | 国网上海市电力公司 | Method and system for controlling reactive power optimization |
| CN104537579A (en) * | 2014-12-29 | 2015-04-22 | 河海大学 | Smart distribution grid greenness assessment method |
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