CN103093021A - Tide deduction sandbox simulation system - Google Patents
Tide deduction sandbox simulation system Download PDFInfo
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- CN103093021A CN103093021A CN2012104138191A CN201210413819A CN103093021A CN 103093021 A CN103093021 A CN 103093021A CN 2012104138191 A CN2012104138191 A CN 2012104138191A CN 201210413819 A CN201210413819 A CN 201210413819A CN 103093021 A CN103093021 A CN 103093021A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The invention provides a tide deduction sandbox simulation system. The system comprises a deduction strategy formulation module, a deduction execution module, a quick element operation auxiliary module, a mode evaluation module, a misconvergence automatic analysis module, a power grid sandbox display module, a data acquisition module and an automatic sandbox establishing module, wherein the deduction execution module is respectively connected with the deduction strategy formulation module, the quick element operation auxiliary module, the misconvergence automatic analysis module and the mode evaluation module; and the mode evaluation module is sequentially connected with the power grid sandbox display module, the automatic sandbox establishing module and the data acquisition module. The system helps and guides an operation dispatcher to adjust a tide mode and is tightly interacted with an operator, the operating suggestion is given, the system change is intuitive and visual, the adjustment process can be automated, and the tide adjustment efficiency in the process of calculating an operation mode is greatly improved.
Description
Technical field
The invention belongs to the grid simulation field, be specifically related to a kind of trend and deduce sand table simulating system.
Background technology
It is the very important analytical calculation of electric system that trend is calculated, in order to the variety of issue of Study system planning and proposition in service.To the electric system in planning, calculate by trend and can check the Power System Planning scheme that proposes to satisfy the requirement of the various methods of operation; To operating electric system, calculate by trend the change that can predict various load variations and network structure and can or can not jeopardize security of system, in system, whether the voltage of all buses is in the scope that allows, whether various elements in system (circuit, transformer etc.) overload can occur, and should take in advance which preventive measure etc. may overload occur the time.
The trend calculated off-line is mainly used in the electrical network mode and calculates with the planning personnel and analyze use, forms rational Power System Steady-state operating point, and the adjustment of trend is rule of thumb carried out, and need to do more data modification and checking work.This part work at present all need be undertaken by craft, and takes text or form forms mode editing data and single step to calculate more, can not directly reflect with intelligent distinguishing and adjust effect, and automaticity is not high.The probationer faces is abstract electric network data and form as a result, to the operation of operation of power networks with understand directly perceived not.
Summary of the invention
For the deficiencies in the prior art, the present invention proposes a kind of trend and deduces sand table simulating system, and this system provides the brand-new trend adjustment of a cover to deduce mode, and flexible operation is adjusted fast, is mainly power system operating mode, planning, traffic department's service.
A kind of trend provided by the invention is deduced sand table simulating system, its improvements are, described system comprises to be deduced the policy development module, deduce execution module, element prompt operation supplementary module, mode evaluation module, do not restrain automatic analysis module, electrical network sand table display module, data acquisition module and automatically create the sand table module;
Described deduction execution module respectively with described deduction policy development module, element prompt operation supplementary module, do not restrain the automatic analysis module and be connected with the mode evaluation module; Described mode evaluation module successively with described electrical network sand table display module, automatically create the sand table module and be connected with data acquisition module.
Wherein, described electrical network sand table display module is showed sand table system with window form; Its window is divided into electrical network geographic map, adjusting control desk, factory's station subgraph, monitoring platform, thumbnail take three-dimensional electrical network geographical wiring diagram as the basis, and five parts organically blend and deduce window at sand table.
Wherein, described data acquisition module and mode are calculated between popular software bag PSASP and are provided with interface, according to current mode computational data and geographic map, form three-dimensional electrical network sand table.
Wherein, described element prompt operation supplementary module is illustrated in adjustment amount the adjusting control desk automatically according to the node type of generator and load, regulates by the operation of selection figure upper connecting rod; Regulate control desk and show in real time generator and the load of adjustment according to the displaying content of current three-dimensional electrical network geographic map.
Wherein, described adjusting control desk shows electric system electric capacity and reactor connection layout, is used for changing bus reactive-load compensation data; The capacity reactance device is thrown to move back to adopt by group and is automatically calculated combined capacity, comprises maximal value, is all parallel reactance capacity sums, minimum value, is all shunt capacitance capacity sum and combination in any; All combined capacity modes are presented at the adjusting control desk with the form of gear.
Wherein, described adjusting control desk shows the transformer of electric system;
If transformer arranges gear information, stir after gear being converted into the set of no-load voltage ratio; Otherwise can not regulate, enter and become ash after deducing window.
Wherein, described adjusting control desk is adjusted single element or the batch target is adjusted.
Wherein, described adjusting control desk is pressed subregion and the selected regulated quantity of electric pressure.
Wherein, described the convergence when automatic analysis module is used for trend deduction process and does not restrain carried out information indicating according to calculating coverage information on the electrical network geographic map, point out to adjust direction.
Wherein, described deduction policy development module is moved back strategy for formulating the throwing of trend cross section regulation and reactive power compensator.
Wherein, described deduction execution module is used for staff's trend adjustment strategy is automatically performed and shows the deduction effect at sand table.
Wherein, described element prompt operation supplementary module is used for the trend deduction that the assistance staff carries out single step.
Wherein, described mode evaluation module is assessed according to the indices of setting for the trend that deduction is obtained.
Wherein, the described automatic analysis module that do not restrain is used for listing the reason that causes that trend does not restrain, and helps staff's orientation problem place.
Wherein, described data acquisition module is used for automatically creating the electrical network sand table from package used for power system analysis PSASP extraction mode computational data.
Wherein, automatically create the sand table module and be showed in the electrical network sand table for the object details that will deduce, and the real-time update data.
Compared with the prior art, beneficial effect of the present invention is:
(1) sand table is deduced window take three-dimensional electrical network geographical wiring diagram as the basis, is divided into electrical network geographic map, adjusting control desk, factory's station subgraph, monitoring platform, thumbnail, and five parts organically blend and deduce window at sand table; It can make the staff locate fast the electric network element place, in the deduction process according to instant playback content and assessment result rapid adjustment trend.
(2) calculate software package PSASP commonly used interface is efficiently arranged with the electrical network mode, can be according to the electrical network sand table of the existing data of mode or traffic department and geographic map fast creation designated area; It can take full advantage of current mode computational data, according to the sand table of each local power network of data fast creation, and needn't carry out loaded down with trivial details reconstruction.
(3) be illustrated in the adjusting control desk according to the node type of generator, the load adjustment amount of automatically being correlated with, all are regulated and all can select the operation of figure upper connecting rod, regulate control desk according to the adjustable generator of displaying content instant playback, the load of current three-dimensional electrical network geographic map; It can locate rapidly element and the instant rapid adjustment that participates in adjustment.
(4) the capacity reactance device is thrown to move back to adopt by group and is automatically calculated all possible capacity combinations, adjustable maximal value is all parallel reactance capacity sums, minimum value is all shunt capacitance capacity sums, all combined capacity modes are presented at the adjusting control desk with the form of gear, and the staff need only change according to the busbar voltage result that gear can change this bus reactive-load compensation data; The reactive power compensator that it becomes more meticulous is thrown and is moved back operation, effectively reduces the frequency that multistep is adjusted.
(5) if transformer has gear information, gear is converted into the set of no-load voltage ratio, then stir; It facilitates the staff to carry out gear switch fast to adjust voltage, the tap troublesome calculation work before having avoided adjusting.
(6) both can adjust single element, also can adjust the batch target, press the selected regulated quantity of subregion and electric pressure, can multiselect, comprise meritorious, idle totally 4 amounts of generating and load.The amount of selecting is placed on the adjacent position after entering and deducing window, with advancing with going out, can also again revise subregion and electric pressure; It effectively increases the trend cross section regulation amount in per step, improves and deduces efficient.
Can not carry out information indicating on the electrical network geographic map according to calculating coverage information when (7) not restraining in trend deduction process.Its abstract mathematics factor that will cause that trend does not restrain is showed with physical form, is convenient to the reason place that the staff causes that fast trend does not restrain.
(8) the present invention assists and guides the traffic control personnel to realize the adjustment of trend mode, provide the operation suggestion, but, system change intuitively visual, adjustment process robotization closely interactive with operating personnel have greatly improved the efficient that during the method for operation is calculated, trend is adjusted.
Description of drawings
Fig. 1 is the structural representation that trend provided by the invention is deduced sand table simulating system.
Fig. 2 is the layout style that trend provided by the invention is deduced sand table simulating system.
Fig. 3 is the illustration that trend provided by the invention is deduced sand table simulating system mother-tool bar.
Fig. 4 is that trend provided by the invention is deduced the adjusting control desk in sand table simulating system.
Fig. 5 is that trend provided by the invention is deduced the adjusting control desk part in sand table simulating system.
Fig. 6 is that trend provided by the invention is deduced the ratio adjustment modes in sand table simulating system.
Fig. 7 is that trend provided by the invention is deduced the monitor in sand table simulating system.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
A kind of trend that the present embodiment proposes is deduced sand table simulating system, its structural representation as shown in Figure 1, described system comprises to be deduced the policy development module, deduce execution module, element prompt operation supplementary module, mode evaluation module, not to restrain automatic analysis module, electrical network sand table display module, data acquisition module and automatically create the sand table module; Described deduction execution module respectively with described deduction policy development module, element prompt operation supplementary module, do not restrain the automatic analysis module and be connected with the mode evaluation module; Described mode evaluation module successively with described electrical network sand table display module, automatically create the sand table module and be connected with data acquisition module.
Wherein, described electrical network sand table display module is showed sand table system with window form, and its layout style as shown in Figure 2; Its window is divided into electrical network geographic map, adjusting control desk, factory's station subgraph, monitoring platform, thumbnail take three-dimensional electrical network geographical wiring diagram as the basis, and five parts organically blend and deduce window at sand table.
Wherein, described deduction policy development module is moved back strategy for formulating the throwing of trend cross section regulation and reactive power compensator.
Described deduction execution module is used for staff's trend adjustment strategy is automatically performed and shows the deduction effect at sand table.
The trend that described element prompt operation supplementary module is used for assisting the staff to carry out single step is deduced.
The trend that described mode evaluation module is used for deduction is obtained is assessed according to the indices of setting.
The described automatic analysis module that do not restrain is used for listing the reason that causes that trend does not restrain, and helps staff's orientation problem place.
Described data acquisition module is used for extracting the mode computational data from package used for power system analysis PSASP and automatically creates the electrical network sand table.
Automatically create the sand table module and be showed in the electrical network sand table for the object details that will deduce, and the real-time update data.
The trend sand table deduction system of the present embodiment provides intuitively the upper mode of operation of figure easily take Based on Power System Analysis Software Package 7.0 upgrade version electrical network geographical diagrams as the basis.Sand table is deduced and is served as theme with the mode adjustment process, take goods electronic sand map as the system action analog carrier, assists and guide operating personnel to realize the adjustment of trend mode, provides the operation suggestion.But, system change intuitively visual, adjustment process robotization closely interactive with operating personnel.
(1) regulative mode of distinct device type
A) generator type
Equilibrator, PQ are all non-adjustable, need not to enter the deduction window.
The PQ node; PQ is adjustable.
The PV node; Only have P adjustable.
The PV-PQ node only has P adjustable.
The meritorious upper limit is rated power, and lower limit is 0.
Adjust when meritorious, idle with the constant and automatic adjustment of guarantee power factor; Adjust when idle, meritorious motionless.
B) load
The PQ node; PQ is adjustable.
The PV node; Only have P adjustable.
Static characteristic is pressed the PQ node processing.
C) capacity reactance device
The capacity reactance device is thrown to move back to adopt by group and is automatically calculated all possible capacity combinations, allows the user regulate; Adjustable maximal value is all parallel reactance capacity sums, and minimum value is all shunt capacitance capacity sums.Might have simultaneously electric capacity and reactance, electric capacity is negative value, and reactance is on the occasion of, electric capacity and reactance calculation combination situation respectively.
Shunt capacitance reactance X1 and the capacity of input Q conversion relation:
Formula is:
In formula, SB is system's reference capacity, and for reactance, the Q value is for just; For electric capacity, the Q value is for negative.Sand table is deduced according to X1 conversion input capacity Q and is revised input capacity Q conversion X1 and carry out according to this formula.
D) transformer
If transformer has gear information, gear is converted into the set of no-load voltage ratio, then stir; Otherwise can not regulate, enter and become ash after deducing window.
Carry out information indicating on figure when (2) trend does not restrain
Add analytic function in original power flow algorithm, analyze iteration error when trend does not restrain, provide the information indicating that causes the suspicious element of not restraining.
(3) the out-of-limit animation effect prompting of equipment
Circuit: according to meritorious flow direction, be plotted to the other end with out-of-limit color from an end in 0.5 second, be similar to the effect of neon bulb, then stopped for 1 second, then draw animation one time, and so forth.
Busbar voltage: when not showing this bus on figure, factory's circle of standing is represented with out-of-limit color; When bus is arranged, smoothly became out-of-limit color from normal color in 0.5 second, stopped for 1 second, then with change color once, and so forth.
Generator is processed: the circle of when not showing generator, factory being stood represents with out-of-limit color; When generator is arranged, smoothly became out-of-limit color from normal color in 0.5 second, stopped for 1 second, then with change color once, and so forth.
Transformer overload: similar generator, transformer preferably can find out it is which winding is out-of-limit.
(4) trend is deduced record management
The purpose that trend is deduced record be allow the user can the inquiry mode adjustment process in the adjustment measure of concrete equipment, and can return to the historical time point of appointment when previous mode, or carry out other management.Adjust daily record and adopt the mode that the mode section is preserved and the device data preservation combines.Section is preserved and is adopted manually and the mode of automatically preserving, and the modification of making between section is recorded in daily record automatically.
(5) manually trend is deduced
After the electrical network respective element is modified, not needing to click trend calculates, the electrical network sand table refreshes result (do not carry out animation prompting if do not restrain, on figure, the trend result does not show) automatically, the bus of the out-of-limit unit of exerting oneself, 220kV and above voltage out-of-limit is carried out color emphasize to mark.Simultaneously, can be by revising history list (can consider better form) fast return to the trend of arbitrary fixed time point; Also can understand by the playing back videos function which retouching operation is arranged in the past.The requirement that the multistep adjustment is calculated: can do continuously the multistep adjustment to trend, upgrade trend result on electrical network sand table figure (removing the concept of " carry out and calculate ") by shortcut.Be stored in history list with each calculating as a record.Citation form calculates with the single step adjustment.
(6) trend is deduced automatically
Automatically the adjustment mode must be with adjustable information notification sand table deduction system.The self-adjusting main adjustment information of trend has:
1. generator is adjusted sequence and the meritorious setting range of exerting oneself
2. partition load resize ratio scope (concept that there is no sequence)
3. can participate in the shunt capacitance reactance (referring generally to low the appearance low resisting) of idle adjustment
Thereby but the sand table deduction system should provide operation efficiently to form fast adjusting information.At first self-regulating process will select generator adjustment, if Modulating Power is not enough, then select load to adjust.
(7) immediate assessment
After each sand table deduction system result of calculation is upgraded, by system, the current method of operation is done a rough assessment, default comprising: the bus of voltage out-of-limit, the circuit of overload (containing AC line, transformer), the out-of-limit generator of exerting oneself, with the distance of adjustment aim (such as the transmission cross-section through-put power) etc.
Fig. 3 is the illustration that trend is deduced sand table simulating system mother-tool bar.According to icon, operating personnel can carry out corresponding actions and save the running time.
Fig. 4 is that trend is deduced the adjusting control desk in sand table simulating system.Control desk demonstration again after it simplifies the elements such as the transformer in electric system, capacity reactance is carried out corresponding operating for the staff.Fig. 5 is that trend is deduced the adjusting control desk part in sand table simulating system.
Fig. 6 is that trend is deduced the ratio adjustment modes in sand table simulating system.In figure, the value of knob can be regulated, and turning around in an adjusting knob left side is 1, and every scale is 0.01.Wherein transfer increase to the right to, transfer minimizing left to.In figure, adjustable knob that refers to of lampet is arranged, there is no the uncontrollable knob that refers to of lampet, when unadjustable, its value is determined according to parameters of electric power system.
Fig. 7 is that trend is deduced the monitor in sand table simulating system.In figure, pie chart represents the load factor of section, and it does not have positive and negative dividing from 0-100.The longitudinal axis scale of histogram automatically adapts to or sets in advance, and its scale can be accurate to 100MW.The height of post is section capacity and actual value, and the section load value has positive and negative dividing, and it represents different directions.The post of the present embodiment can add upper lower limit value, and pulls post in window, can regulate ordering.In figure, window is supported scroll bar, can carry a plurality of sections, and one hand refers to that transverse shifting is equal to mobile scroll bar in window, and each excellent width can be fixed.
Should be noted that at last: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit, although with reference to above-described embodiment, the present invention is had been described in detail, those of ordinary skill in the field are to be understood that: still can modify or be equal to replacement the specific embodiment of the present invention, and do not break away from any modification of spirit and scope of the invention or be equal to replacement, it all should be encompassed in the middle of claim scope of the present invention.
Claims (16)
1. a trend is deduced sand table simulating system, it is characterized in that, described system comprises deduction policy development module, deduces execution module, element prompt operation supplementary module, mode evaluation module, does not restrain automatic analysis module, electrical network sand table display module, data acquisition module and automatically create the sand table module;
Described deduction execution module respectively with described deduction policy development module, element prompt operation supplementary module, do not restrain the automatic analysis module and be connected with the mode evaluation module; Described mode evaluation module successively with described electrical network sand table display module, automatically create the sand table module and be connected with data acquisition module.
2. trend as claimed in claim 1 is deduced sand table simulating system, it is characterized in that, described electrical network sand table display module is showed sand table system with window form; Its window is divided into electrical network geographic map, adjusting control desk, factory's station subgraph, monitoring platform, thumbnail take three-dimensional electrical network geographical wiring diagram as the basis, and five parts organically blend and deduce window at sand table.
3. trend as claimed in claim 1 is deduced sand table simulating system, it is characterized in that, described data acquisition module and mode are calculated between popular software bag PSASP and be provided with interface, according to current mode computational data and geographic map, forms three-dimensional electrical network sand table.
4. trend as claimed in claim 1 is deduced sand table simulating system, it is characterized in that, described element prompt operation supplementary module is illustrated in adjustment amount the adjusting control desk automatically according to the node type of generator and load, regulates by the operation of selection figure upper connecting rod; Regulate control desk and show in real time generator and the load of adjustment according to the displaying content of current three-dimensional electrical network geographic map.
5. trend as claimed in claim 4 is deduced sand table simulating system, it is characterized in that, described adjusting control desk shows electric system electric capacity and reactor connection layout, is used for changing bus reactive-load compensation data; The capacity reactance device is thrown to move back to adopt by group and is automatically calculated combined capacity, comprises maximal value, is all parallel reactance capacity sums, minimum value, is all shunt capacitance capacity sum and combination in any; All combined capacity modes are presented at the adjusting control desk with the form of gear.
6. trend as claimed in claim 4 is deduced sand table simulating system, it is characterized in that, described adjusting control desk shows the transformer of electric system;
If transformer arranges gear information, stir after gear being converted into the set of no-load voltage ratio; Otherwise can not regulate, enter and become ash after deducing window.
7. trend as claimed in claim 4 is deduced sand table simulating system, it is characterized in that, described adjusting control desk is adjusted single element or the batch target is adjusted.
8. trend as claimed in claim 4 is deduced sand table simulating system, it is characterized in that, described adjusting control desk is pressed subregion and the selected regulated quantity of electric pressure.
9. trend as claimed in claim 4 is deduced sand table simulating system, it is characterized in that, described the convergence when automatic analysis module is used for trend deduction process and does not restrain carried out information indicating according to calculating coverage information on the electrical network geographic map, point out to adjust direction.
10. trend as claimed in claim 1 is deduced sand table simulating system, it is characterized in that, described deduction policy development module is used for formulating the trend cross section regulation and strategy is moved back in the reactive power compensator throwing.
11. trend as claimed in claim 1 is deduced sand table simulating system, it is characterized in that, described deduction execution module is used for staff's trend adjustment strategy is automatically performed and shows the deduction effect at sand table.
12. trend as claimed in claim 1 is deduced sand table simulating system, it is characterized in that, the trend that described element prompt operation supplementary module is used for assisting the staff to carry out single step is deduced.
13. trend as claimed in claim 1 is deduced sand table simulating system, it is characterized in that, the trend that described mode evaluation module is used for deduction is obtained is assessed according to the indices of setting.
14. trend as claimed in claim 1 is deduced sand table simulating system, it is characterized in that, the described automatic analysis module that do not restrain is used for listing the reason that causes that trend does not restrain, and helps staff's orientation problem place.
15. trend as claimed in claim 1 is deduced sand table simulating system, it is characterized in that, described data acquisition module is used for extracting the mode computational data from package used for power system analysis PSASP and automatically creates the electrical network sand table.
16. trend as claimed in claim 1 is deduced sand table simulating system, it is characterized in that, and automatically create the sand table module and be showed in the electrical network sand table for the object details that will deduce, and the real-time update data.
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| CN201210413819.1A CN103093021B (en) | 2012-10-25 | 2012-10-25 | Tide deduction sandbox simulation system |
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| CN103810926A (en) * | 2014-01-20 | 2014-05-21 | 华北电力大学 | Power quality problem cause and effect sand table display device and demonstration method |
| CN104143286A (en) * | 2014-08-01 | 2014-11-12 | 国网上海市电力公司 | Distribution line simulated training device and method for hot-line work |
| CN104267612A (en) * | 2014-09-10 | 2015-01-07 | 国家电网公司 | Power grid simulation sand table model dynamic display device |
| CN105653257A (en) * | 2015-08-13 | 2016-06-08 | 哈尔滨安天科技股份有限公司 | Sand table system with customized strategy |
| CN106802993A (en) * | 2017-01-11 | 2017-06-06 | 云南电网有限责任公司电力教育培训评价中心 | A kind of exhibiting method of the operation of the electric network swim under three-dimensional scenic |
| CN107039966A (en) * | 2016-02-04 | 2017-08-11 | 中国电力科学研究院 | A kind of power distribution network self-healing control sand table deduction system |
| CN107577735A (en) * | 2017-08-25 | 2018-01-12 | 重庆大学 | A kind of PSASP software datas management method |
| CN116979530A (en) * | 2023-09-25 | 2023-10-31 | 中国电力科学研究院有限公司 | Method and device for digitally deducting power grid operation mode |
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| CN103810926A (en) * | 2014-01-20 | 2014-05-21 | 华北电力大学 | Power quality problem cause and effect sand table display device and demonstration method |
| CN104143286A (en) * | 2014-08-01 | 2014-11-12 | 国网上海市电力公司 | Distribution line simulated training device and method for hot-line work |
| CN104267612A (en) * | 2014-09-10 | 2015-01-07 | 国家电网公司 | Power grid simulation sand table model dynamic display device |
| CN105653257A (en) * | 2015-08-13 | 2016-06-08 | 哈尔滨安天科技股份有限公司 | Sand table system with customized strategy |
| CN105653257B (en) * | 2015-08-13 | 2023-04-07 | 安天科技集团股份有限公司 | Sand table system capable of customizing strategy |
| CN107039966A (en) * | 2016-02-04 | 2017-08-11 | 中国电力科学研究院 | A kind of power distribution network self-healing control sand table deduction system |
| CN106802993A (en) * | 2017-01-11 | 2017-06-06 | 云南电网有限责任公司电力教育培训评价中心 | A kind of exhibiting method of the operation of the electric network swim under three-dimensional scenic |
| CN106802993B (en) * | 2017-01-11 | 2019-05-21 | 云南电网有限责任公司电力教育培训评价中心 | A kind of operation of the electric network swim under three-dimensional scenic shows method |
| CN107577735A (en) * | 2017-08-25 | 2018-01-12 | 重庆大学 | A kind of PSASP software datas management method |
| CN116979530A (en) * | 2023-09-25 | 2023-10-31 | 中国电力科学研究院有限公司 | Method and device for digitally deducting power grid operation mode |
| CN116979530B (en) * | 2023-09-25 | 2023-12-12 | 中国电力科学研究院有限公司 | Method and device for digitally deducting power grid operation mode |
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