CN117277593B - Hierarchical grouping miniature power buffering method and system - Google Patents
Hierarchical grouping miniature power buffering method and system Download PDFInfo
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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
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00001—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
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- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
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- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00016—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using a wired telecommunication network or a data transmission bus
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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
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
- H02J13/00034—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving an electric power substation
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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
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
- H02J13/00036—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving switches, relays or circuit breakers
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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
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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
- H02J2203/10—Power transmission or distribution systems management focussing at grid-level, e.g. load flow analysis, node profile computation, meshed network optimisation, active network management or spinning reserve management
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Abstract
The invention provides a hierarchical grouping miniature power buffering method and a hierarchical grouping miniature power buffering system, which belong to the technical field of power analysis, wherein the method comprises the following steps: grouping and layering power equipment existing in a target transformer substation, collecting power parameters on a matching bus corresponding to hierarchical distribution, and inputting the power parameters into a transition area for cache analysis; setting the associated switch meeting the power requirement in the transition area to be in a high-potential state and setting the associated switch not meeting the power requirement to be in a low-potential state, and simultaneously generating a power auxiliary list of the matching bus; and updating the potential of the associated switch which does not meet the power requirement. Reasonable control of the associated switch and power scheduling of the matching bus are effectively achieved, normal operation of equipment is guaranteed, and damage of the equipment is reduced.
Description
Technical Field
The invention relates to the technical field of power analysis, in particular to a hierarchical grouping miniature power buffering method and system.
Background
In an electric power system, the transformer substation is a power transmission and distribution integration point and is mainly divided into a boosting transformer substation, a main network transformer substation, a secondary transformer substation and a power distribution station. Power transmission in a substation generally provides required power for equipment through direct connection of a line and the equipment, but in the process, due to the fact that the power is insufficient to support power supply for all the equipment, the situation of disconnection and the like occurs, and certain damage is caused to the equipment.
Therefore, the invention provides a hierarchical grouping miniature power buffering method and system.
Disclosure of Invention
The invention provides a hierarchical grouping miniature power buffering method and a hierarchical grouping miniature power buffering system, which are used for effectively matching power equipment with a matching bus by performing hierarchical grouping on the power equipment, reasonably controlling an associated switch by performing cache analysis on the matching bus and performing power scheduling on the matching bus based on an auxiliary list so as to ensure normal operation of the equipment and reduce damage to the equipment.
The invention provides a hierarchical grouping miniature power buffering method, which comprises the following steps:
step 1: the method comprises the steps of locking power equipment existing in a target transformer substation, and grouping the existing power equipment according to equipment types;
step 2: determining the current position of each power device based on the target substation based on the power bus architecture of the target substation, and acquiring the hierarchical distribution of the same type of devices based on the target substation by combining the group division result;
step 3: collecting power parameters on a matching bus corresponding to the hierarchical distribution, and inputting the power parameters into a transition area for cache analysis;
step 4: when the cache analysis result is that the matching bus is qualified, setting each associated switch in the transition area to be in a high-potential state so as to send a first operation signal to first equipment in a corresponding layer;
step 5: when the cache analysis result is that the matching bus is unqualified, setting an associated switch meeting the power requirement in the transition area to be in a high potential state, setting an associated switch not meeting the power requirement to be in a low potential state, and generating a power auxiliary list of the matching bus;
step 6: and updating the potential of the associated switch which does not meet the power requirement based on the power auxiliary list, and sending a second operation signal to the second equipment in the corresponding hierarchy based on all high-potential state switches which meet the power requirement.
Preferably, the method for locking the existing power equipment in the target substation and grouping the existing power equipment according to equipment types includes:
acquiring a planning drawing of the target substation, and determining initial planning equipment from the planning drawing;
meanwhile, monitoring the site scene of the target transformer substation, and determining newly-added equipment;
and grouping the initial planning equipment and the newly added equipment according to equipment types to obtain the same type of equipment.
Preferably, the step of obtaining the hierarchical distribution of the same type of equipment based on the target substation by combining the group division result comprises the following steps:
determining the affiliated subarea of each power device based on the power bus architecture according to the current position of each power device based on the target transformer substation;
setting a characteristic label to the corresponding power equipment according to the architecture characteristic of the sub-area;
setting a hierarchical label to the same power equipment according to the division group and the characteristic label of the same power equipment;
and carrying out combination statistics on the power equipment with the same hierarchical label in the same grouping group to obtain the hierarchical distribution of the same type of equipment based on the target substation.
Preferably, collecting power parameters on a matching bus corresponding to the hierarchical distribution, and inputting the power parameters into a transition area for cache analysis, including:
based on the power bus architecture, establishing a mapping relation between a matching bus and associated equipment under each hierarchical distribution;
determining a required operation requirement of corresponding associated equipment based on the current moment based on the mapping relation, and calling a low-power standard vector and a high-power standard vector which are consistent with the matching bus from a requirement-bus-standard database;
collecting power parameters of the matching bus in a preset time period under the hierarchical distribution, constructing a power observation matrix, and performing first comparison analysis with a low power standard vector and second comparison analysis with a high power standard vector;
constructing and obtaining a first contrast vector according to all the first contrast analysis results and constructing and obtaining a second contrast vector according to all the second contrast analysis results;
drawing a first straight line of the same parameter element according to the first contrast vector and the second contrast vector, and acquiring a deviation angle of the first straight line based on a horizontal line;
performing cluster analysis on the first straight line based on the deviation angle, determining the parameter quantity and the parameter total weight of the cluster parameters in the same cluster result, and setting a deviation factor for each cluster parameter in the corresponding cluster result by combining the cluster clusters;
acquiring the mean value, the differential value and the standard deviation of the same parameter elements in the first contrast vector and the second contrast vector, and determining to obtain the initial value of the same parameter elements;
optimizing the initial value based on the deviation factor to obtain the final value of the same parameter element, and setting a 0 or 1 label to the same parameter element according to a final value-standard value-label mapping table;
when all the same parameter elements are 1 labels, judging that the matching bus is qualified;
when the same parameter element is not 1 label, the matching bus is judged to be unqualified.
Preferably, in combination with the clustering, setting a deviation factor for each clustering parameter in the corresponding clustering result includes:
，
wherein P is i Representing a deviation factor of an ith clustering parameter in a corresponding clustering result; q1 represents the total weight of the parameters of the corresponding clustering result; QZ represents the total weight of all clustering parameters in different clustering results; j0 represents the deviation setting degree of the cluster corresponding to the corresponding clustering result;representing the association coefficient of the deviation angle of the ith clustering parameter in the corresponding clustering result and the matched clustering cluster, wherein the value range is (0, 1); m1 represents the number of clustering parameters in the corresponding clustering result; n represents the total number of all the clustering parameters in different clustering results.
Preferably, determining the initial value of the co-parameter element includes:
，
wherein C0 i1 Representing the initial value of the i1 st homoparameter element; max (D1) i1 ,D2 i1 ) The representation slave D1 i1 ,D2 i1 A larger value is obtained; min (D1) i1 ,D2 i1 ) The representation slave D1 i1 ,D2 i1 A smaller value is obtained; delta represents the corresponding standard deviation; max (D1) i1 ,D2 i1 )－min(D1 i1 ,D2 i1 ) Representing the corresponding delta;representing the corresponding mean; n represents the total number of all clustering parameters in different clustering results; D2D 2 i1 A second comparative analysis result representing the i1 st power parameter; D1D 1 i1 A first comparative analysis result representing the i1 st power parameter; d0 i1 Representing a standard value of the i1 st power parameter determined based on the low power standard vector; d1 i1 The standard value of the i1 st power parameter determined based on the high power standard vector is represented.
Preferably, generating the power auxiliary list of the matching bus includes:
acquiring unqualified power parameters from the cache analysis result, and analyzing a first adjustment amount of the unqualified power to participate in corresponding low standard parameters and a second adjustment amount of the unqualified power to participate in corresponding high standard parameters;
based on the first adjustment amount and the second adjustment amount, an auxiliary scheme corresponding to the unqualified power parameter is obtained from a quantity-parameter type-auxiliary mapping table;
and combining all auxiliary schemes to obtain a power auxiliary list, wherein the power auxiliary list comprises auxiliary lines for scheduling corresponding matched buses.
Preferably, updating the potential of the associated switch which does not meet the power requirement based on the power auxiliary list comprises:
determining, based on the power assistance list, a parameter replenishment amount for an associated switch that does not meet a power requirement;
when the parameter supplementing quantity meets the pre-supplementing requirement, the corresponding associated switch is adjusted from a low potential state to a high potential state;
otherwise, the low potential state is still maintained.
Preferably, based on all high potential status switches meeting the power requirement, sending a second operation signal to the second device in the corresponding hierarchy, including:
and according to the operation control type of each high-potential state switch, the high-potential state switch is in communication connection with corresponding second equipment, and a second operation signal is issued, wherein the second operation signal is consistent with the operation control type.
The invention provides a hierarchical grouping miniature power buffer system, which comprises:
the group division module is used for locking the power equipment in the target transformer substation and dividing the existing power equipment into groups according to the equipment type;
the hierarchy distribution module is used for determining the current position of each power device based on the target transformer substation based on the power bus architecture of the target transformer substation, and acquiring the hierarchy distribution of the same type of equipment based on the target transformer substation by combining the group division result;
the cache analysis module is used for collecting power parameters on the matching bus corresponding to the hierarchical distribution and inputting the power parameters into the transition area for cache analysis;
the first sending module is used for setting each associated switch in the transition area to be in a high-potential state when the cache analysis result is that the matching bus is qualified, so as to send a first operation signal to first equipment in a corresponding layer;
the state judging module is used for setting the associated switch meeting the power requirement in the transition area to be in a high potential state and setting the associated switch not meeting the power requirement to be in a low potential state when the cache analysis result is that the matching bus is unqualified, and generating an electric power auxiliary list of the matching bus;
and the second sending module is used for updating the potential of the associated switch which does not meet the power requirement based on the power auxiliary list, and sending a second operation signal to the second equipment in the corresponding hierarchy based on all the high-potential state switches which meet the power requirement.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and drawings.
The technical scheme of the invention is further described in detail through the drawings and the embodiments.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a flow chart of a hierarchical packet micro power buffering method according to an embodiment of the present invention;
FIG. 2 is a block diagram of a hierarchical packet micro power buffer system in accordance with an embodiment of the present invention;
fig. 3 is a block diagram of a transition region in an embodiment of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
The invention provides a hierarchical grouping miniature power buffering method, as shown in figure 1, comprising the following steps:
step 1: the method comprises the steps of locking power equipment existing in a target transformer substation, and grouping the existing power equipment according to equipment types;
step 2: determining the current position of each power device based on the target substation based on the power bus architecture of the target substation, and acquiring the hierarchical distribution of the same type of devices based on the target substation by combining the group division result;
step 3: collecting power parameters on a matching bus corresponding to the hierarchical distribution, and inputting the power parameters into a transition area for cache analysis;
step 4: when the cache analysis result is that the matching bus is qualified, setting each associated switch in the transition area to be in a high-potential state so as to send a first operation signal to first equipment in a corresponding layer;
step 5: when the cache analysis result is that the matching bus is unqualified, setting an associated switch meeting the power requirement in the transition area to be in a high potential state, setting an associated switch not meeting the power requirement to be in a low potential state, and generating a power auxiliary list of the matching bus;
step 6: and updating the potential of the associated switch which does not meet the power requirement based on the power auxiliary list, and sending a second operation signal to the second equipment in the corresponding hierarchy based on all high-potential state switches which meet the power requirement.
In this embodiment, the power equipment refers to all equipment contained in the substation and having a connection relationship with the line, and the equipment type includes a stored power type, a transmitted power type, and an end use power type.
In this embodiment, group partitioning is to group all devices of the same class into one group by device type.
In this embodiment, the power bus architecture is the latest architecture of the obtained transformer substation, which is obtained by a planning chart, a subsequent transformer substation line change and the like during the construction of the transformer substation, and the architecture includes different areas of the transformer substation, line deployment in different areas, equipment based on line connection and the like, so as to conveniently, intuitively and completely obtain the power transmission condition of the transformer substation.
In this embodiment, the hierarchical distribution refers to that even if the same device type is used, the functions are different, for example, the main function of the area 1 is to collect and transmit electric energy, the main function of the area 3 is to store electric energy, at this time, no matter the area 1 or the area 3 has devices transmitting electric energy types, but the area execution functions of the corresponding positions are different, so that the hierarchical division is performed, mainly, the further refinement is also performed, so that, in general, each functional area involves total input and output, and therefore, the refinement analysis is more convenient for controlling the switch.
In this embodiment, the power parameters refer to parameters corresponding to power, voltage, current, frequency, etc. on the match bus, and the match bus refers to lines on the power bus architecture that match the hierarchical distribution.
In this embodiment, the transition area refers to a connection area between the matching bus and the power device to be generated, and the connection area includes a plurality of associated switches, as shown in fig. 3, where the matching bus is connected to the switch 1, the switch 2, and the switch 3, and the switch 1 is connected to the device 1, the switch 2 is connected to the device 2, and the switch 3 is connected to the device 3.
In this embodiment, a high state means that the matching bus can supply power to the corresponding device, and a low state means that the matching bus cannot supply power to the corresponding device.
In this embodiment, the operation signal refers to sending acceptable power to the device, supporting the device to function properly.
In this embodiment, the cache analysis result is mainly used to determine whether the matching bus can perform complete power transmission to the corresponding device, if so, the matching bus is considered to be qualified, otherwise, the matching bus is considered to be unqualified, and the power of the matching bus is not qualified.
In this embodiment, when the power does not reach the standard, it is required to control the associated switch that does not meet the power requirement to be set to a low-potential state, and in the process of determining the associated switch that does not meet the power requirement, the device with high priority is preferentially allocated to the power according to the standard parameter and the value of the power parameter related to the matching bus, and then the associated switch corresponding to the successfully allocated device is set to a high-potential state, and the associated switch corresponding to the unassigned device is set to a low-potential state, for example:
the matching bus voltage is 100kv, the priority of the device 1 > the priority of the device 2 > the priority of the device 3, and the device 1 needs to be 50kv, the device 2 needs to be 40kv, and the device 3 needs to be 60kv, at this time, the switches of the device 1 and the device 2 are set to the high potential state and the switch of the device 3 is set to the low potential state preferentially.
In this embodiment, the power auxiliary list refers to the power resources that need to be called to meet the power requirement of the device 3 as much as possible, that is, 60kv, and when the power requirement is met, the potential state of the switch corresponding to the device 3 may be updated, that is, from low to high.
The beneficial effects of the technical scheme are as follows: the power equipment is subjected to hierarchical grouping division to effectively match the power equipment with the matching bus, and the matching bus is subjected to cache analysis to reasonably control the associated switch and perform power scheduling on the matching bus based on the auxiliary list, so that the normal operation of the equipment is ensured, and the damage of the equipment is reduced.
The invention provides a hierarchical grouping miniature power buffering method, which locks power equipment existing in a target transformer substation and groups the existing power equipment according to equipment types, and comprises the following steps:
acquiring a planning drawing of the target substation, and determining initial planning equipment from the planning drawing;
meanwhile, monitoring the site scene of the target transformer substation, and determining newly-added equipment;
and grouping the initial planning equipment and the newly added equipment according to equipment types to obtain the same type of equipment.
In this embodiment, the planning drawing is a design scheme adopted in the process of building the substation, and the scheme includes corresponding design equipment, namely initial planning equipment, which can be obtained directly.
In this embodiment, the in-station scenario is monitored to obtain newly added equipment, and because the newly added equipment needs to use electricity, the complete equipment in the substation needs to be determined.
The beneficial effects of the technical scheme are as follows: through from the planning drawing and to the monitoring of scene in the station, can effectively confirm the same type equipment, realize the group and divide, provide the basis for carrying out accurate analysis subsequently.
The invention provides a hierarchical grouping miniature power buffering method, which is used for obtaining the hierarchical distribution of the same type of equipment based on a target transformer substation by combining group division results, and comprises the following steps:
determining the affiliated subarea of each power device based on the power bus architecture according to the current position of each power device based on the target transformer substation;
setting a characteristic label to the corresponding power equipment according to the architecture characteristic of the sub-area;
setting a hierarchical label to the same power equipment according to the division group and the characteristic label of the same power equipment;
and carrying out combination statistics on the power equipment with the same hierarchical label in the same grouping group to obtain the hierarchical distribution of the same type of equipment based on the target substation.
In this embodiment, the current position refers to the position of the power device in the target substation, and the sub-area to which the current position corresponds refers to the area corresponding to the corresponding position, because the substation is divided into areas according to functions.
In this embodiment, architectural features refer to corresponding functions, and feature labels, i.e., functions, are related.
In this embodiment, the hierarchical labels refer to the same type but different corresponding functions, and the hierarchical distribution is mainly used for determining a distribution situation of the same device type based on different areas.
The beneficial effects of the technical scheme are as follows: the method and the device provide a basis for the determination of the subsequent hierarchical distribution by determining the current position of the device and the sub-region to which the device belongs and combining the architecture characteristics.
The invention provides a hierarchical grouping miniature power buffering method, which is used for collecting power parameters on a matching bus corresponding to hierarchical distribution, inputting the power parameters into a transition area for cache analysis and comprises the following steps:
based on the power bus architecture, establishing a mapping relation between a matching bus and associated equipment under each hierarchical distribution;
determining a required operation requirement of corresponding associated equipment based on the current moment based on the mapping relation, and calling a low-power standard vector and a high-power standard vector which are consistent with the matching bus from a requirement-bus-standard database;
collecting power parameters of the matching bus in a preset time period under the hierarchical distribution, constructing a power observation matrix, and performing first comparison analysis with a low power standard vector and second comparison analysis with a high power standard vector;
，
wherein D1 i1 A first comparative analysis result representing the i1 st power parameter; n01 represents that the observed value in the row vector corresponding to the ith power parameter in the power observation matrix is equal to or greater than the corresponding standard value d0 i1 N02 represents that the observed value in the row vector corresponding to the i1 st power parameter in the power observation matrix is smaller than the corresponding standard value d0 i1 A second number of (2); d, d i11 An i11 th observation representing the same power parameter in the first number; d, d i12 An ith 12 th observation representing the same power parameter in the second number; d0 i1 Representing a standard value of the i1 st power parameter determined based on the low power standard vector; max1 represents all d i11 －d0 i1 The maximum difference in (2); min1 represents all d i11 －d0 i1 The minimum difference in (2); max2 represents all d0 i1 －d i12 The maximum difference in (2); min2 represents all d0 i1 －d i12 The minimum difference in (2);
，
wherein D2 i1 A second comparative analysis result representing the i1 st power parameter; m01 represents that the observed value in the row vector corresponding to the ith power parameter in the power observation matrix is equal to or greater than the corresponding standard value d1 i1 M02 represents that the observed value in the row vector corresponding to the i1 st power parameter in the power observation matrix is smaller than the corresponding standard value d1 i1 A fourth number of (2); d1 j11 A j11 th observation value representing the same power parameter in the third number; d1 j12 A j12 th observation value representing the same power parameter in the fourth number; d1 i1 Representing a standard value of an i1 st power parameter determined based on the high power standard vector; max01 represents all d1 j11 －d1 i1 The maximum difference in (2); min01 represents all d1 j11 －d1 i1 The minimum difference in (2); max02 represents all d1 i1 －d1 j12 The maximum difference in (2); min02 represents all d1 i1 －d1 j12 The minimum difference in (2); ave01 represents all d1 j11 －d1 i1 Average value of (2); ave02 represents all d1 i1 －d1 j12 Average value of (2);
constructing and obtaining a first contrast vector according to all the first contrast analysis results and constructing and obtaining a second contrast vector according to all the second contrast analysis results;
drawing a first straight line of the same parameter element according to a first contrast vector and a second contrast vector, and acquiring a deviation angle of the first straight line based on a horizontal line;
performing cluster analysis on the first straight line based on the deviation angle, determining the parameter quantity and the parameter total weight of the cluster parameters in the same cluster result, and setting a deviation factor for each cluster parameter in the corresponding cluster result by combining the cluster clusters;
acquiring the mean value, the differential value and the standard deviation of the same parameter elements in the first contrast vector and the second contrast vector, and determining to obtain the initial value of the same parameter elements;
optimizing the initial value based on the deviation factor to obtain the final value of the same parameter element, and setting a 0 or 1 label to the same parameter element according to a final value-standard value-label mapping table;
when all the same parameter elements are 1 labels, judging that the matching bus is qualified;
when the same parameter element is not 1 label, the matching bus is judged to be unqualified.
In this embodiment, the power bus architecture can intuitively determine the connection condition of each device to the device, so that the mapping relationship between the two devices can be directly obtained.
In this embodiment, if the mapping relationship exists between the line 1 and the devices 1, 2 and 3, then the matching bus is the line 1, and the associated devices are the devices 1, 2 and 3.
In this embodiment, the demand operation requirement at the current time is directly matched with the current time based on the pre-planning mapping table of the substation to obtain the demand operation requirement, the requirement-bus-standard database includes different demand operation requirements, a matching bus and matched standard data, the matched standard data is a low-power standard vector and a high-power standard vector, the power standard is generally obtained based on reverse deduction of related equipment related to the mapping relation, and the demand condition of the same parameter corresponding to the related equipment is generally obtained, namely, the standard power parameter range provided by the matching bus is obtained from the low-power standard vector and the high-power standard vector.
In this embodiment, the preset time period may be 1min, and then the collected power parameter is the parameter variation condition of the matching bus in the 1 min.
In this embodiment, row vectors of the electric power observation matrix are acquisition results of the same parameters within 1min, the acquisition number is n01+n02, column vectors are acquisition results of different parameters at the same time, and the corresponding acquisition number is the same as the number of electric power parameters.
In this example, the first comparative analysis and the second comparative analysis are specifically referred to the comparative analysis formula.
In this embodiment, the cluster analysis is performed according to the classification of the cluster, and is performed according to the magnitude of the deviation angle, and the parameter weight is preset by an expert.
In this embodiment, based on the parameter-offset-adjustment mapping table, a trimming amount of the offset factor under the corresponding parameter is obtained, and the trimming amount is added to the initial value to obtain the final value.
In this embodiment, the first contrast vector is all D1 i1 The second contrast vector is composed of all D2 i1 Is formed by the method.
In this embodiment, the value of the parameter 1 in the first contrast vector is a1, the value of the parameter 2 in the second contrast vector is a2, and at this time, a straight line from a1 to a2 is drawn, and the included angle between the straight line and the horizontal line is the offset angle.
The beneficial effects of the technical scheme are as follows: the observation matrix is compared with the low standard vector and the high standard vector to obtain corresponding comparison analysis results, and the deviation factor is determined by carrying out line analysis and value calculation analysis to obtain a final value, so that a reliable basis is provided for whether the subsequent parameters are qualified or not, effective judgment on whether the matching bus is qualified or not is realized, and the operation effectiveness of the equipment is further ensured.
The invention provides a hierarchical grouping miniature power buffering method, which combines clustering clusters, sets a deviation factor for each clustering parameter in a corresponding clustering result, and comprises the following steps:
，
wherein P is i Representing a deviation factor of an ith clustering parameter in a corresponding clustering result; q1 represents the total weight of the parameters of the corresponding clustering result; QZ represents the total weight of all clustering parameters in different clustering results; j0 represents the deviation setting degree of the cluster corresponding to the corresponding clustering result;representing the association of the deviation angle of the ith clustering parameter in the corresponding clustering result and the matched clusterCoefficients, and the value range is (0, 1); m1 represents the number of clustering parameters in the corresponding clustering result; n represents the total number of all the clustering parameters in different clustering results.
The beneficial effects of the technical scheme are as follows: the deviation factor is calculated based on the total weight of the parameters, the deviation setting degree and the association coefficient, and a basis is provided for parameter setting labels.
The invention provides a hierarchical grouping miniature power buffering method, which is used for determining and obtaining initial values of the same parameter elements and comprises the following steps:
，
wherein C0 i1 Representing the initial value of the i1 st homoparameter element; max (D1) i1 ,D2 i1 ) The representation slave D1 i1 ,D2 i1 A larger value is obtained; min (D1) i1 ,D2 i1 ) The representation slave D1 i1 ,D2 i1 A smaller value is obtained; delta represents the corresponding standard deviation; max (D1) i1 ,D2 i1 )－min(D1 i1 ,D2 i1 ) Representing the corresponding delta;representing the corresponding mean; n represents the total number of all clustering parameters in different clustering results; D2D 2 i1 A second comparative analysis result representing the i1 st power parameter; D1D 1 i1 A first comparative analysis result representing the i1 st power parameter; d0 i1 Representing a standard value of the i1 st power parameter determined based on the low power standard vector; d1 i1 The standard value of the i1 st power parameter determined based on the high power standard vector is represented.
The beneficial effects of the technical scheme are as follows: and calculating an initial value through the mean value, the differential value and the standard deviation, and providing a basis for calculating a final value.
The invention provides a hierarchical grouping miniature power buffering method, which generates a power auxiliary list of a matching bus, and comprises the following steps:
acquiring unqualified power parameters from the cache analysis result, and analyzing a first adjustment amount of the unqualified power to participate in corresponding low standard parameters and a second adjustment amount of the unqualified power to participate in corresponding high standard parameters;
based on the first adjustment amount and the second adjustment amount, an auxiliary scheme corresponding to the unqualified power parameter is obtained from a quantity-parameter type-auxiliary mapping table;
and combining all auxiliary schemes to obtain a power auxiliary list, wherein the power auxiliary list comprises auxiliary lines for scheduling corresponding matched buses.
In this embodiment, the failed power parameter is an average value of the parameter captured within 1min, and the adjustment amounts with the low-standard parameter and the high-standard parameter are determined based on the average value.
In this embodiment, the quantity-parameter type-auxiliary mapping table contains different combined adjustment quantities, parameter types and matched auxiliary schemes, namely auxiliary lines.
The beneficial effects of the technical scheme are as follows: and comparing the unqualified power parameters with low and high standard parameters, and further calling an auxiliary scheme through a mapping table to determine a list, thereby realizing power dispatching.
The invention provides a hierarchical grouping miniature power buffering method, which is used for updating potential of an associated switch which does not meet power requirements based on a power auxiliary list, and comprises the following steps:
determining, based on the power assistance list, a parameter replenishment amount for an associated switch that does not meet a power requirement;
when the parameter supplementing quantity meets the pre-supplementing requirement, the corresponding associated switch is adjusted from a low potential state to a high potential state;
otherwise, the low potential state is still maintained.
In this embodiment, a parameter replenishment amount, such as a voltage replenishment amount, is required to replenish the voltage of 40 kv.
In this embodiment, if 40kv is added, the corresponding device can be just allowed to operate normally, and at this time, the positioning of the sodium is satisfied and the requirements of addition are satisfied, and the adjustment of the potential state is performed.
The beneficial effects of the technical scheme are as follows: the electric power auxiliary list is used for determining the parameter supplementing quantity so as to regulate the electric potential of the switch, and equipment damage is avoided.
The invention provides a hierarchical grouping miniature power buffering method, which is based on all high-potential state switches meeting power requirements, and sends a second operation signal to second equipment in a corresponding hierarchy, and comprises the following steps:
and according to the operation control type of each high-potential state switch, the high-potential state switch is in communication connection with corresponding second equipment, and a second operation signal is issued, wherein the second operation signal is consistent with the operation control type.
The beneficial effects of the technical scheme are as follows: and through transmitting an operation signal, a signal which can normally run is transmitted to the corresponding equipment, so that the damage of the equipment is avoided.
The present invention provides a hierarchical packet miniature power buffer system, as shown in fig. 2, comprising:
the group division module is used for locking the power equipment in the target transformer substation and dividing the existing power equipment into groups according to the equipment type;
the hierarchy distribution module is used for determining the current position of each power device based on the target transformer substation based on the power bus architecture of the target transformer substation, and acquiring the hierarchy distribution of the same type of equipment based on the target transformer substation by combining the group division result;
the cache analysis module is used for collecting power parameters on the matching bus corresponding to the hierarchical distribution and inputting the power parameters into the transition area for cache analysis;
the first sending module is used for setting each associated switch in the transition area to be in a high-potential state when the cache analysis result is that the matching bus is qualified, so as to send a first operation signal to first equipment in a corresponding layer;
the state judging module is used for setting the associated switch meeting the power requirement in the transition area to be in a high potential state and setting the associated switch not meeting the power requirement to be in a low potential state when the cache analysis result is that the matching bus is unqualified, and generating an electric power auxiliary list of the matching bus;
and the second sending module is used for updating the potential of the associated switch which does not meet the power requirement based on the power auxiliary list, and sending a second operation signal to the second equipment in the corresponding hierarchy based on all the high-potential state switches which meet the power requirement.
The beneficial effects of the technical scheme are as follows: the power equipment is subjected to hierarchical grouping division to effectively match the power equipment with the matching bus, and the matching bus is subjected to cache analysis to reasonably control the associated switch and perform power scheduling on the matching bus based on the auxiliary list, so that the normal operation of the equipment is ensured, and the damage of the equipment is reduced.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (10)
1. A hierarchical packet miniature power buffering method, comprising:
step 1: the method comprises the steps of locking power equipment existing in a target transformer substation, and grouping the existing power equipment according to equipment types;
step 2: determining the current position of each power device based on the target substation based on the power bus architecture of the target substation, and acquiring the hierarchical distribution of the same type of devices based on the target substation by combining the group division result;
step 3: collecting power parameters on a matching bus corresponding to the hierarchical distribution, and inputting the power parameters into a transition area for cache analysis;
step 4: when the cache analysis result is that the matching bus is qualified, setting each associated switch in the transition area to be in a high-potential state so as to send a first operation signal to first equipment in a corresponding layer;
step 5: when the cache analysis result is that the matching bus is unqualified, setting an associated switch meeting the power requirement in the transition area to be in a high potential state, setting an associated switch not meeting the power requirement to be in a low potential state, and generating a power auxiliary list of the matching bus;
step 6: and updating the potential of the associated switch which does not meet the power requirement based on the power auxiliary list, and sending a second operation signal to the second equipment in the corresponding hierarchy based on all high-potential state switches which meet the power requirement.
2. The hierarchical packet micro power buffering method of claim 1, wherein locking the existing power devices in the target substation and grouping the existing power devices by device type comprises:
acquiring a planning drawing of the target substation, and determining initial planning equipment from the planning drawing;
meanwhile, monitoring the site scene of the target transformer substation, and determining newly-added equipment;
and grouping the initial planning equipment and the newly added equipment according to equipment types to obtain the same type of equipment.
3. The hierarchical packet miniature power buffering method of claim 1, wherein the obtaining the hierarchical distribution of the same type of equipment based on the target substation by combining the group division result comprises:
determining the affiliated subarea of each power device based on the power bus architecture according to the current position of each power device based on the target transformer substation;
setting a characteristic label to the corresponding power equipment according to the architecture characteristic of the sub-area;
setting a hierarchical label to the same power equipment according to the division group and the characteristic label of the same power equipment;
and carrying out combination statistics on the power equipment with the same hierarchical label in the same grouping group to obtain the hierarchical distribution of the same type of equipment based on the target substation.
4. The hierarchical packet micro power buffering method of claim 1, wherein collecting power parameters on the matching bus corresponding to the hierarchical distribution, and inputting the power parameters to a transition region for cache analysis, comprises:
based on the power bus architecture, establishing a mapping relation between a matching bus and associated equipment under each hierarchical distribution;
determining a required operation requirement of corresponding associated equipment based on the current moment based on the mapping relation, and calling a low-power standard vector and a high-power standard vector which are consistent with the matching bus from a requirement-bus-standard database;
collecting power parameters of the matching bus in a preset time period under the hierarchical distribution, constructing a power observation matrix, and performing first comparison analysis with a low power standard vector and second comparison analysis with a high power standard vector;
constructing and obtaining a first contrast vector according to all the first contrast analysis results and constructing and obtaining a second contrast vector according to all the second contrast analysis results;
drawing a first straight line of the same parameter element according to the first contrast vector and the second contrast vector, and acquiring a deviation angle of the first straight line based on a horizontal line;
performing cluster analysis on the first straight line based on the deviation angle, determining the parameter quantity and the parameter total weight of the cluster parameters in the same cluster result, and setting a deviation factor for each cluster parameter in the corresponding cluster result by combining the cluster clusters;
acquiring the mean value, the differential value and the standard deviation of the same parameter elements in the first contrast vector and the second contrast vector, and determining to obtain the initial value of the same parameter elements;
optimizing the initial value based on the deviation factor to obtain the final value of the same parameter element, and setting a 0 or 1 label to the same parameter element according to a final value-standard value-label mapping table;
when all the same parameter elements are 1 labels, judging that the matching bus is qualified;
when the same parameter element is not 1 label, the matching bus is judged to be unqualified.
5. The hierarchical packet miniature power buffering method of claim 4, wherein setting a bias factor to each cluster parameter in the corresponding cluster result in combination with the cluster comprises:
，
wherein P is i Representing a deviation factor of an ith clustering parameter in a corresponding clustering result; q1 represents the total weight of the parameters of the corresponding clustering result; QZ represents the total weight of all clustering parameters in different clustering results; j0 represents the deviation setting degree of the cluster corresponding to the corresponding clustering result;representing the association coefficient of the deviation angle of the ith clustering parameter in the corresponding clustering result and the matched clustering cluster, wherein the value range is (0, 1); m1 represents the number of clustering parameters in the corresponding clustering result; n represents the total number of all the clustering parameters in different clustering results.
6. The hierarchical packet micro power buffering method of claim 4, wherein determining the initial value of the co-parameter element comprises:
，
wherein C0 i1 Representing the initial value of the i1 st homoparameter element; max (D1) i1 ,D2 i1 ) The representation slave D1 i1 ,D2 i1 A larger value is obtained; min (D1) i1 ,D2 i1 ) The representation slave D1 i1 ,D2 i1 A smaller value is obtained; delta represents the corresponding standard deviation; max (D1) i1 ,D2 i1 )－min(D1 i1 ,D2 i1 ) Representation pairThe difference in the response;representing the corresponding mean; n represents the total number of all clustering parameters in different clustering results; D2D 2 i1 A second comparative analysis result representing the i1 st power parameter; D1D 1 i1 A first comparative analysis result representing the i1 st power parameter; d0 i1 Representing a standard value of the i1 st power parameter determined based on the low power standard vector; d1 i1 The standard value of the i1 st power parameter determined based on the high power standard vector is represented.
7. The hierarchical packet micro power buffering method of claim 1, wherein generating the power assist list of the matching bus comprises:
acquiring unqualified power parameters from the cache analysis result, and analyzing a first adjustment amount of the unqualified power to participate in corresponding low standard parameters and a second adjustment amount of the unqualified power to participate in corresponding high standard parameters;
based on the first adjustment amount and the second adjustment amount, an auxiliary scheme corresponding to the unqualified power parameter is obtained from a quantity-parameter type-auxiliary mapping table;
and combining all auxiliary schemes to obtain a power auxiliary list, wherein the power auxiliary list comprises auxiliary lines for scheduling corresponding matched buses.
8. The hierarchical, packet micro power buffering method of claim 1, wherein updating the potential of the associated switch that does not meet the power requirement based on the power assistance manifest comprises:
determining, based on the power assistance list, a parameter replenishment amount for an associated switch that does not meet a power requirement;
when the parameter supplementing quantity meets the pre-supplementing requirement, the corresponding associated switch is adjusted from a low potential state to a high potential state;
otherwise, the low potential state is still maintained.
9. The hierarchical, packet micro power buffering method of claim 1, wherein transmitting a second operation signal to a second device in a corresponding hierarchy based on all high-potential status switches satisfying power requirements, comprises:
and according to the operation control type of each high-potential state switch, the high-potential state switch is in communication connection with corresponding second equipment, and a second operation signal is issued, wherein the second operation signal is consistent with the operation control type.
10. A hierarchical packet miniature power buffer system, comprising:
the group division module is used for locking the power equipment in the target transformer substation and dividing the existing power equipment into groups according to the equipment type;
the hierarchy distribution module is used for determining the current position of each power device based on the target transformer substation based on the power bus architecture of the target transformer substation, and acquiring the hierarchy distribution of the same type of equipment based on the target transformer substation by combining the group division result;
the cache analysis module is used for collecting power parameters on the matching bus corresponding to the hierarchical distribution and inputting the power parameters into the transition area for cache analysis;
the first sending module is used for setting each associated switch in the transition area to be in a high-potential state when the cache analysis result is that the matching bus is qualified, so as to send a first operation signal to first equipment in a corresponding layer;
the state judging module is used for setting the associated switch meeting the power requirement in the transition area to be in a high potential state and setting the associated switch not meeting the power requirement to be in a low potential state when the cache analysis result is that the matching bus is unqualified, and generating an electric power auxiliary list of the matching bus;
and the second sending module is used for updating the potential of the associated switch which does not meet the power requirement based on the power auxiliary list, and sending a second operation signal to the second equipment in the corresponding hierarchy based on all the high-potential state switches which meet the power requirement.
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