CN102832710B - Assistant decision making method for quick power rationing of regional power grids - Google Patents
Assistant decision making method for quick power rationing of regional power grids Download PDFInfo
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Abstract
The invention provides an assistant decision making method for quick power rationing of regional power grids. Based on an intelligent regional power grid scheduling technology support system, the assistant decision making method includes the steps of S1, establishing a corresponding relation table according to a line disconnecting sequence table and a regional system model; S2, according to real-time load data of equipment, the line disconnecting sequence table and a target value of for load relief, performing line disconnecting sequence optimizing computation to obtain a line disconnecting operation table of line disconnecting equipment with load relieved; S3, acquiring real-time monitoring information of line disconnecting load and displaying the same on a man-machine interaction interface, manually adjusting the line disconnecting operation table by selecting a line disconnecting strategy on the man-machine interaction interface, and obtaining breakers, corresponding to the line disconnecting equipment, in the line disconnecting operation table according to the corresponding relation table; and S4, remotely operating a breaker switch sequence provided by the line disconnecting operation table and needs to be operated. By the aid of the assistant decision making method for quick power rationing of the regional power grids, manual operation steps as well as manual computation are reduced, operation time of the power rationing is greatly shortened, and operational accuracy is improved.
Description
Technical field
The present invention relates to dispatching automation of electric power systems field, be specifically related to a kind of area power grid and draw aid decision-making method of rationing the power supply fast.
Background technology
The drawing fast of area power grid is rationed the power supply and is referred to and to have an accident or in the unbalanced situation of power supply and demand at electrical network, provincial scheduling is assigned to regional dispatch and is drawn the instruction of appearance of a street amount, regional dispatch draws road tagmeme table or accident to draw road tagmeme table based on rationing the power supply of having made, road is drawn to combine according to real time data artificial nucleus to listing side by side, and pull open supply line's circuit breaker by power transformation monitor staff, stop power supply by force, assign in the process of excision order, dispatcher also needs manually to check SCADA(Supervisory Control AndData Acqusition, data acquisition and Monitor and Control) the remote measure and communication data of system, guarantee that the load total amount of final excision reaches desired value.
Traditional power cuts to limit consumption operation mainly relies on liaison mode, regional dispatch center is notified by provincial control centre dispatcher, assign limited load task object, regional dispatch personnel are again according to current electric grid ruuning situation, in conjunction with drawing road tagmeme table, arrange out the line sequence needing power cuts to limit consumption, and the corresponding monitoring of notice or electric substation operations staff perform, this pattern has the following disadvantages:
1, automaticity is low, lacks management process, based on manual operation, and the drawing the record of road and recovery time, draw the situation of road load, lose electric quantitative statistics and all need, by dispatcher's artificial treatment, to considerably increase the workload of dispatcher of two outer circuits.
2, intermediate link is many, as arrangement circuit need artificial nucleus to and calculate, the instruction of issue needs corresponding different monitoring or electric substation operations staff one by one, and whole execution flow time is longer, can not realize quick control overhead.
3, artificial winding displacement is complicated, lack aid decision means, ground key degree is after receiving task, rely on manual analysis completely, select drawing dataway operation to need contrast to draw to ration the power supply tagmeme table to determine in conjunction with current electric grid load real-time operating conditions, lack effective aid decision means, cause decision-making poor efficiency, and there is the possibility of mistuning degree, misoperation.
4, draw road efficiency low, when carrying out multichannel and drawing road, lack effective closed-loop control means and measure, draw road efficiency on the low side, even there is the phenomenon can not drawing road in time, cannot response scheduling demand in time, affect power network safety operation, each department scheduling does not all effectively manage and technological means for drawing to ration the power supply to provide at present.
Summary of the invention
A kind of area power grid provided by the invention draws aid decision-making method of rationing the power supply fast, and based on regional intelligent grid supporting system technology, described method comprises:
Step S1, according to drawing the system model information of road tagmeme table and described area to set up mapping table, described mapping table comprises the corresponding relation drawing the circuit in the tagmeme table of road and action required circuit breaker during excision load described in described area;
Step S2, obtains equipment real time load data, according to described real-time device load data, the desired value of drawing road tagmeme table and excision load, through drawing road sequence optimisation calculate excision load draw pipeline equipment draw dataway operation table;
Step S3, obtaining draws the real-time monitor message of road load to be presented on human-computer interaction interface, and on described human-computer interaction interface, select Pull Road Strategy set pair to draw dataway operation table manually to adjust, the described circuit breaker drawing pipeline equipment corresponding described in drawing in dataway operation table described in obtaining according to described mapping table;
Step S4, according to the described killer switch sequence of described needs operation of drawing dataway operation table to provide, when drawing the described circuit breaker drawing pipeline equipment corresponding described in dataway operation table that remote control is housed described in judging, carries out straighforward operation to described killer switch sequence.
In first optimal technical scheme provided by the invention: also comprise after generating described mapping table in described step S1:
Step S101, reads the real-time remote signalling value of described circuit breaker, determines incomplete record in described mapping table and has been in the circuit breaker of off-state, form tagmeme check table;
Step S102, judges whether there is inconsistent content in described tagmeme check table and described mapping table, is, performs step S103, no, performs step S2;
Step S103, revises described mapping table according to described tagmeme check table, improves the incomplete record in described mapping table, performs step S101.
In second optimal technical scheme provided by the invention: in described step S3, described in obtaining respectively accordingly according to the situation of rationing the power supply, accident conditions, scheduled overhaul situation and situation of rationing the power supply beyond the planned quota, draw dataway operation table;
During situation of rationing the power supply, select Pull Road Strategy collection, described in drawing according to the desired value of described excision load, draw dataway operation table;
During accident conditions, to accident conditions carry out setting draw described in draw dataway operation table, ensure power grid security, reduce causality loss, Accident prevention expand;
During scheduled overhaul situation, input maintenance scheduling equipment, draws dataway operation table described in obtaining.
Beyond the planned quota ration the power supply situation time, to electricity consumption beyond the planned quota area or unit ration the power supply obtain described in draw dataway operation table.
In 3rd optimal technical scheme provided by the invention: in described step S3, according to obtaining electric network model device parameter and from the real-time remote signalling data drawing road load described in operation of power networks stable state monitoring acquisition, draw load real-time monitor message in road described in obtaining from model management;
The described real-time monitor message of road load of drawing utilizes visualization technique to show for dispatching technique personnel concentrate;
Described electric network model device parameter comprises facility information and equipment topological connection relation information, described in draw load real-time monitor message in road to comprise to draw road associate switch folding condition, draw the equipment of the current association in road and the title of meritorious equipment.
In 4th optimal technical scheme provided by the invention: in described step S3, described Pull Road Strategy collection comprises by control sequence number excision load, removes load by control priority slicing, excise load from big to small and excise load from small to large by current loads value size order by current loads value size order;
On described human-computer interaction interface, whether setting is drawn road target to drop into, controls sequence number, is controlled priority.
In 5th optimal technical scheme provided by the invention: described step S4 comprises:
Step S401, according to the killer switch sequence of described needs operation of drawing dataway operation table to provide, whether draw described in judgement in dataway operation table containing the circuit breaker recorded in described tagmeme check table, be, step S401 is performed after drawing the equipment that in the described tagmeme check table recorded in dataway operation table, circuit breaker has pulled open described in removal, no, perform step S402;
Step S402, draws the circuit breaker drawing pipeline equipment corresponding described in dataway operation table whether remote control to be housed, is described in judgement, perform step S403, no, performs step S404;
Step S403, terminates after carrying out straighforward operation to described killer switch sequence;
Step S404, is terminated after plant stand person on duty assigns control command by phone.
In 6th optimal technical scheme provided by the invention: in described step S403, dispatcher directly sends cutting load instruction, monitors the data channel with intelligent alarm in real time by electrical network on interface, and control switch disconnecting link is long-range pulls open excision load.
A kind of area power grid provided by the invention draws the beneficial effect of aid decision-making method of rationing the power supply to comprise fast:
1, a kind of area power grid provided by the invention draws aid decision-making method of rationing the power supply fast, draw road sequence table according to the accident made or ration the power supply and draw road sequence table, automatically the optimal set of drawing road object involved by excision load target value is calculated according to real time data in accident or when rationing the power supply, there is provided and draw road sequence table, decrease manual steps and manually calculate, greatly reduce and draw the operating time of rationing the power supply, improve the accuracy of operation.
2, after generating mapping table, by reading the circuit breaker formation tagmeme check table that the remote signalling value of circuit breaker is found out incomplete record in mapping table and has been in off-state, carry out perfect by this tagmeme check table to the imperfect record in mapping table, ensure the accuracy of the mapping table generated.
3, adopt visualization technique to realize human-computer interaction interface, human-computer interaction interface can select Pull Road Strategy collection, to drawing dataway operation table manually to adjust, realizes the flexible selection of various Pull Road Strategy collection.
4, judge to draw the equipment whether having in dataway operation table and pulled open by tagmeme check table, avoid the unnecessary operation of drawing in dataway operation table.
5, judge to draw the circuit breaker drawing pipeline equipment corresponding in dataway operation table whether remote control to be housed, when there is no remote control, terminated after plant stand person on duty assigns control command by phone, when having a remote control, dispatcher directly sends cutting load instruction, monitors the data channel with intelligent alarm in real time by electrical network on interface, control switch disconnecting link is long-range pulls open excision load, in the further minimizing control time, reduce misuse rate.
Accompanying drawing explanation
Fig. 1 is that a kind of area power grid provided by the invention draws aid decision-making method of rationing the power supply fast;
Fig. 2 is the structural representation that a kind of area power grid provided by the invention draws aid decision-making method of rationing the power supply fast;
Fig. 3 provided by the inventionly draws road tagmeme list processing structure figure;
Fig. 4 is the method flow diagram improving mapping table provided by the invention;
Fig. 5 provided by the inventionly draws the real-time monitoring structure schematic diagram of road load;
Fig. 6 is the structural representation that Pull Road Strategy collection provided by the invention is selected;
Fig. 7 is the flow chart drawing dataway operation provided by the invention;
Fig. 8 provided by the inventionly draws dataway operation remote control arrangement schematic diagram.
Embodiment
A kind of area power grid provided by the invention draws aid decision-making method of rationing the power supply to be gather real time data based on SCADA fast, by manually arranging Pull Road Strategy collection, drawing road sequence to pre-designed accident and rationing the power supply draws road tagmeme to carry out automatically selecting to draw pipeline equipment, provide and draw pipeline equipment table, and carry out analog telecommand and real time remote control operation.
Road tagmeme table is drawn to be formulate according to the regulation of " management rule of electric wire netting dispatching " and " implementing method of management rule of electric wire netting dispatching ", according to the principle guaranteeing resident living and important mechanism electricity consumption and enterprise safety operation electricity consumption, organize enterprises of managing electric wire netting to work out the emergency preplan of supply of electric power, content should comprise draws road tagmeme table for ration the power supply tagmeme table and emergency of super power.For not meeting industrial policy, high pollution, high energy-consuming enterprises, the unit of moment peak load shedding first can be thought of as if desired.Supply of electric power occur stressful situation or for ensure electric power netting safe running and necessary time, can according to emergency preplan with approval of authority in advance, start electricity load control technology management system, by rationing the power supply, tagmeme table enforcement technology is rationed the power supply, power consumer of should giving advance notice before rationing the power supply.
Below in conjunction with accompanying drawing, the present invention will be further described.
The invention provides a kind of area power grid and draw aid decision-making method of rationing the power supply fast, based on regional intelligent grid supporting system technology, its concrete grammar flow chart as shown in Figure 1, comprising:
Step S1, according to drawing the system model information of road tagmeme table and this area to set up mapping table, this mapping table comprises the corresponding relation of action required circuit breaker when this area draws the circuit in the tagmeme table of road and excises load.
Step S2, obtains equipment real time load data, according to this real-time device load data, the desired value of drawing road tagmeme table and excision load, through drawing road sequence optimisation calculate excision load draw pipeline equipment draw dataway operation table.
Step S3, obtaining draws the real-time monitor message of road load to be presented on human-computer interaction interface, and on this human-computer interaction interface, select Pull Road Strategy set pair to draw dataway operation table manually to adjust, the circuit breaker drawing pipeline equipment corresponding drawn in dataway operation table is obtained according to mapping table.
Step S4, according to the killer switch sequence of the needs operation of drawing dataway operation table to provide, when judging to draw the circuit breaker drawing pipeline equipment corresponding in dataway operation table that remote control is housed, carries out straighforward operation to this killer switch sequence.
A kind of area power grid provided by the invention draws the structural representation of aid decision-making method of rationing the power supply as shown in Figure 2 fast, concrete, Fig. 3 provided by the inventionly draws road tagmeme list processing structure figure, as shown in Figure 3, draw road tagmeme list processing to obtain from model management and draw road tagmeme table information, generate mapping table.
Preferably, also comprise after generating mapping table in step S1 the perfect process of this mapping table, its steps flow chart as shown in Figure 4, is specially:
Step S101, reads the real-time remote signalling value of circuit breaker, determines the circuit breaker being in off-state in this mapping table in incomplete record and this mapping table, forms tagmeme check table.
Step S102, judges whether there is inconsistent content in this tagmeme check table and mapping table, is, performs step S103, no, performs step S2.
Step S103, according to tagmeme check table amendment mapping table, improves the incomplete record in mapping table, performs step S101.
In step S2, dataway operation table can be drawn accordingly respectively according to the situation of rationing the power supply, accident conditions, scheduled overhaul situation and situation of rationing the power supply beyond the planned quota.
During situation of rationing the power supply, select Pull Road Strategy collection, draw according to the desired value of excision load and draw dataway operation table.
During accident conditions, carry out setting draw and draw dataway operation table accident conditions, ensure power grid security, reduce causality loss, Accident prevention expands.
During scheduled overhaul situation, input maintenance scheduling equipment, obtains drawing dataway operation table.
Beyond the planned quota ration the power supply situation time, rationed the power supply in electricity consumption area beyond the planned quota or unit and obtain drawing dataway operation table, object reduces gradually and finally avoids due to area electricity consumption beyond the planned quota, and electricity consumption user not beyond the planned quota itself is because sequence is front and rationed the power supply without reason, who who progressively realize at " super limit, family of rationing the power supply ".
Provided by the inventionly draw the real-time monitoring structure schematic diagram of road load as shown in Figure 5, as shown in Figure 5, in step S3, electric network model device parameter is obtained from model management, the real-time remote signalling data drawing road load is obtained from the monitoring of operation of power networks stable state, obtain drawing the real-time monitor message of road load, this draws load real-time monitor message in road to utilize visualization technique to show for dispatching technique personnel concentrate, wherein, this electric network model device parameter comprises facility information and equipment topological connection relation information such as drawing road outlet, draw load real-time monitor message in road to comprise and draw road to associate the folding condition of switch, draw the equipment of the current association in road and the title of meritorious equipment.
The structural representation that Pull Road Strategy collection provided by the invention is selected as shown in Figure 6, Pull Road Strategy collection comprises by control sequence number excision load, by controlling priority slicing except load, excise load from big to small by current loads value size order and excise load from small to large by current loads value size order, whether human-computer interaction interface can arrange and draw road target to drop into, control sequence number, control the contents such as priority, dispatcher can be clear and intuitive on human-computer interaction interface understanding its be concerned about draw road sequence relevant information, convenient adjustment Pull Road Strategy collection, by inputting the target load that will excise, realize the flexible selection of various Pull Road Strategy collection.
Step S4 be the particular flow sheet of the process of drawing dataway operation as shown in Figure 7, comprising:
Step S401, according to the killer switch sequence of the needs operation of drawing dataway operation table to provide, whether judge to draw in dataway operation table containing the circuit breaker recorded in tagmeme check table, be, remove after drawing the equipment that in the tagmeme check table recorded in dataway operation table, circuit breaker has pulled open and perform step S401, no, perform step S402.
Step S402, judges to draw the circuit breaker drawing pipeline equipment corresponding in dataway operation table whether remote control to be housed, is, perform step S403, no, performs step S404.
Step S403, terminates after carrying out straighforward operation to this killer switch sequence.
Step S404, is terminated after plant stand person on duty assigns control command by phone.
Be illustrated in figure 8 and draw dataway operation remote control arrangement schematic diagram, as shown in Figure 8, after Pull Road Strategy collection is selected, dataway operation remote control is drawn to the equipment possessing remote moving function, dispatcher directly can send cutting load instruction, monitor the data channel with intelligent alarm in real time by electrical network on interface, control switch disconnecting link is long-range to be pulled open, thus arrives the effect of excision load.
Although be described in detail embodiments of the invention with reference to the accompanying drawings above, be not limited only to this embodiment, various equivalent, the deformation process that those skilled in the art carries out according to this concrete technical scheme, also within protection scope of the present invention.
Claims (6)
1. area power grid draws an aid decision-making method of rationing the power supply fast, and based on regional intelligent grid supporting system technology, it is characterized in that, described method comprises:
Step S1, according to drawing the system model information of road tagmeme table and described area to set up mapping table, described mapping table comprises the corresponding relation drawing the circuit in the tagmeme table of road and action required circuit breaker during excision load described in described area;
Step S2, obtains equipment real time load data, according to described real-time device load data, the desired value of drawing road tagmeme table and excision load, through drawing road sequence optimisation calculate excision load draw pipeline equipment draw dataway operation table;
Step S3, obtaining draws the real-time monitor message of road load to be presented on human-computer interaction interface, and on described human-computer interaction interface, select Pull Road Strategy set pair to draw dataway operation table manually to adjust, the described circuit breaker drawing pipeline equipment corresponding described in drawing in dataway operation table described in obtaining according to described mapping table;
Step S4, according to the described killer switch sequence of described needs operation of drawing dataway operation table to provide, when drawing the described circuit breaker drawing pipeline equipment corresponding described in dataway operation table that remote control is housed described in judging, carries out straighforward operation to described killer switch sequence;
Also comprise after generating described mapping table in described step S1:
Step S101, reads the real-time remote signalling value of described circuit breaker, determines incomplete record in described mapping table and has been in the circuit breaker of off-state, form tagmeme check table;
Step S102, judges whether there is inconsistent content in described tagmeme check table and described mapping table, is, performs step S103, no, performs step S2;
Step S103, revises described mapping table according to described tagmeme check table, improves the incomplete record in described mapping table, performs step S101.
2. the method for claim 1, is characterized in that, in described step S2, draws dataway operation table described in obtaining respectively accordingly according to the situation of rationing the power supply, accident conditions, scheduled overhaul situation and situation of rationing the power supply beyond the planned quota;
During situation of rationing the power supply, select Pull Road Strategy collection, described in drawing according to the desired value of described excision load, draw dataway operation table;
During accident conditions, to accident conditions carry out setting draw described in draw dataway operation table, ensure power grid security, reduce causality loss, Accident prevention expand;
During scheduled overhaul situation, input maintenance scheduling equipment, draws dataway operation table described in obtaining;
Beyond the planned quota ration the power supply situation time, to electricity consumption beyond the planned quota area or unit ration the power supply obtain described in draw dataway operation table.
3. the method for claim 1, it is characterized in that, in described step S3, according to obtaining electric network model device parameter and from the real-time remote signalling data drawing road load described in operation of power networks stable state monitoring acquisition, draw load real-time monitor message in road described in obtaining from model management;
The described real-time monitor message of road load of drawing utilizes visualization technique to show for dispatching technique personnel concentrate;
Described electric network model device parameter comprises facility information and equipment topological connection relation information, described in draw load real-time monitor message in road to comprise to draw road associate switch folding condition, draw the equipment of the current association in road and the title of meritorious equipment.
4. the method for claim 1, it is characterized in that, in described step S3, described Pull Road Strategy collection comprises by control sequence number excision load, removes load by control priority slicing, excise load from big to small and excise load from small to large by current loads value size order by current loads value size order;
On described human-computer interaction interface, whether setting is drawn road target to drop into, controls sequence number, is controlled priority.
5. the method for claim 1, is characterized in that, described step S4 comprises:
Step S401, according to the killer switch sequence of described needs operation of drawing dataway operation table to provide, whether draw described in judgement in dataway operation table containing the circuit breaker recorded in described tagmeme check table, be, step S401 is performed after drawing the equipment that in the described tagmeme check table recorded in dataway operation table, circuit breaker has pulled open described in removal, no, perform step S402;
Step S402, draws the circuit breaker drawing pipeline equipment corresponding described in dataway operation table whether remote control to be housed, is described in judgement, perform step S403, no, performs step S404;
Step S403, terminates after carrying out straighforward operation to described killer switch sequence;
Step S404, is terminated after plant stand person on duty assigns control command by phone.
6. method as claimed in claim 5, it is characterized in that, in described step S403, dispatcher directly sends cutting load instruction, monitors the data channel with intelligent alarm in real time by electrical network on interface, and control switch disconnecting link is long-range pulls open excision load.
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| CN105225584B (en) * | 2015-08-03 | 2018-05-11 | 国家电网公司 | A kind of team control function emulation system of area power grid breaker |
| CN106059075B (en) * | 2016-06-21 | 2018-10-30 | 国网浙江省电力公司金华供电公司 | Extra-high voltage direct-current is latched by the accurate lot control system of end load |
| CN107181321B (en) * | 2017-06-20 | 2020-05-05 | 国网福建省电力有限公司泉州供电公司 | Method for realizing rapid load pulling based on power grid topological structure |
| CN108494089B (en) * | 2018-03-22 | 2022-05-24 | 国网天津市电力公司 | Rapid, safe and reliable batch remote control method for limited-circuit pull circuits |
| CN109685327A (en) * | 2018-12-01 | 2019-04-26 | 国网天津市电力公司 | A kind of intelligent algorithm for drawing-path electricity limiting |
| CN110752606A (en) * | 2019-10-29 | 2020-02-04 | 广东电网有限责任公司 | Power limiting method, device and equipment for power system |
| CN110854848B (en) * | 2019-11-20 | 2022-11-18 | 广东电网有限责任公司 | Control aid decision-making method for distribution network scheduling load |
| CN116151206B (en) * | 2023-04-19 | 2023-07-04 | 广东电网有限责任公司佛山供电局 | Intelligent compiling method, device and equipment for distribution network line accident limit electricity sequence table |
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| CN201918799U (en) * | 2010-03-18 | 2011-08-03 | 杭州日安电器有限公司 | Remote wireless intelligent-control circuit breaker |
| CN102593953A (en) * | 2012-02-23 | 2012-07-18 | 国电南瑞科技股份有限公司 | Automatic line pulling control method based on provincial and regional integration |
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| CN201918799U (en) * | 2010-03-18 | 2011-08-03 | 杭州日安电器有限公司 | Remote wireless intelligent-control circuit breaker |
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