CN103178610A - Method and device for displaying equipment load - Google Patents
Method and device for displaying equipment load Download PDFInfo
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- CN103178610A CN103178610A CN2011104364075A CN201110436407A CN103178610A CN 103178610 A CN103178610 A CN 103178610A CN 2011104364075 A CN2011104364075 A CN 2011104364075A CN 201110436407 A CN201110436407 A CN 201110436407A CN 103178610 A CN103178610 A CN 103178610A
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Abstract
The invention provides a method and device for displaying equipment load. The method includes: collecting physical parameter values passing each equipment at preset time in a power grid; calculating load rate corresponding to the equipment according to the physical parameter values of the preset time and fixed physical parameters of a minimum current-carrying component, wherein the fixed physical parameters are physical parameters when the minimum current-carrying component works normally; and displaying the load rate through a display device. By means of the method and device, the technical problem in the prior art that monitoring on the power grid is not in real time and not in place is solved, a purpose of monitoring the load rate of the power grid in real time flexibly can be achieved, monitoring is in place and correct, and an effect of improving workpiece efficiency is achieved.
Description
Technical field
The present invention relates to electricity field, in particular to a kind of apparatus of load display packing and device.
Background technology
Concerning administration of power networks enterprise, grasp in real time the load factor of various device (transformer, circuit etc.) in electrical network, make it to be in a reasonable level, be a very important routine work.Particularly during aestivating, spend large load of winter, equipment heavily loaded in electrical network, that transship, be fully loaded with is more, because the power system monitor personnel can't in time monitor the apparatus of load situation, cause apparatus overload even to damage abnormal situation and happen occasionally, caused great threat to power network safety operation.
In the past, the power system monitor personnel were once to add up to the grasp of grid equipment load factor level every day, formed report submitting relevant departments, thereby did not accomplish the Real Time Monitoring to the apparatus of load rate.
Along with the popularization of the unattended pattern of intelligent grid, electrical network progressively moves towards the pattern of centralized monitor.In the operation of power networks Mode change, monitor staff's follow-up work pressure increases, the monitor is when assigning the grid switching operation assignment instructions, charge of overseeing the whole network ruuning situation also, for example, when the parameters such as electric current of taking by each equipment, according to the technical staff to the analysis of data and to relying on existing experience, load factor to each equipment in whole electrical network is monitored, because of monitor not in place cause apparatus overload even the device damage abnormal conditions happen occasionally, brought very big hidden danger to power network safety operation.
Not real-time to power system monitor for existing in correlation technique, and monitor technical problem not in place, effective solution is not yet proposed at present.
Summary of the invention
Main purpose of the present invention is to provide a kind of apparatus of load display packing and device, and is not real-time to exist power system monitor in the solution correlation technique, and monitors technical problem not in place.
To achieve these goals, according to an aspect of the present invention, provide a kind of apparatus of load display packing.
Apparatus of load display packing according to the present invention comprises: collect the inherent scheduled time of electrical network by the physical parameter value of each equipment; According in the described physical parameter value of the described scheduled time and the load factor corresponding to the described equipment of fixed physical calculation of parameter of minimum current-carrying component, wherein, the physical parameter when described fixed physical parameter is described minimum current-carrying component normal operation; Described load factor is shown by display device.
Preferably, described physical parameter comprise following one of at least: the current value of the current value of transformer station, circuit outlet, the current value of transformer high-low-voltage side.
Preferably, the mode by figure shows described load factor by display device.
Preferably, described figure is block diagram or function curve diagram.
Preferably, comprised before described load factor is shown by described display device, the predetermined condition that load factor shows is set; By described predetermined condition, described load factor is screened; To show by described display device through the load factor that obtains after screening.
Preferably, described predetermined condition be following one of at least: according to the title sequence of transformer station, according to the size sequence of load factor, surpass the load factor of predetermined value.
Preferably, pass through the physical parameter value of each equipment in the scheduled time in collecting electrical network after, described physical parameter value is stored.
To achieve these goals, according to a further aspect in the invention, provide a kind of apparatus of load display unit, this device comprises: collect module, be used for collecting the inherent scheduled time of electrical network by the physical parameter value of each equipment; Computing module, be used for basis in the described physical parameter value of the described scheduled time and the load factor corresponding to the described equipment of fixed physical calculation of parameter of minimum current-carrying component, physical parameter when wherein, described fixed physical parameter is described minimum current-carrying component normal operation; Display module is used for described load factor is shown by display device.
Preferably, the mode by figure shows described load factor by display device.
Preferably, also comprise memory module, after being used for passing through the physical parameter value of each equipment in the scheduled time in collecting electrical network, described physical parameter value is stored.
By the present invention, adopt and collect the inherent scheduled time of electrical network by the physical parameter value of each equipment; According in the described physical parameter value of the described scheduled time and the load factor corresponding to the described equipment of fixed physical calculation of parameter of minimum current-carrying component, wherein, the physical parameter when described fixed physical parameter is described minimum current-carrying component normal operation; Described load factor is shown by display device, solved in correlation technique exist not real-time to power system monitor, and the problem of monitoring technology not in place, and then reached and can monitor flexibly in real time the load factor of electrical network, monitoring puts in place accurately, improves the effect of workpiece efficient.
Description of drawings
The accompanying drawing that consists of the application's a part is used to provide a further understanding of the present invention, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not consist of improper restriction of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart of the apparatus of load display packing of the embodiment of the present invention;
Fig. 2 is the structured flowchart according to the apparatus of load display unit of the embodiment of the present invention;
Fig. 3 is the heavy-haul line watch circle at a time according to the embodiment of the present invention;
Fig. 4 is the heavily loaded transformer watch circle at a time according to the embodiment of the present invention;
Watch circle when Fig. 5 is the interim mode of switching according to the equipment of the embodiment of the present invention.
Embodiment
Need to prove, in the situation that do not conflict, embodiment and the feature in embodiment in the application can make up mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the present invention in detail.
Along with the EMS system applies is more and more extensive, data are more and more accurate, not real-time to power system monitor for existing in the solution correlation technique, and monitor this technical problem not in place, the present invention considers to utilize this EMS system platform realization to the real time monitoring of grid equipment load factor, therefore, a kind of heave-load device surveillance is provided in embodiments of the present invention, each roles such as power system monitor personnel, administrative staff, leader can grasp the load factor situation of grid equipment in real time under a computer interface of this system, can guarantee electricity net safety stable ground operation.
This heave-load device surveillance can guarantee that monitor staff, administrative staff, leader etc. also can be in the load factor situations of grasping in real time grid equipment in each load section situation under a computer interface, realized zero distance, monitored without the dead angle, in time take measures to the hidden danger part occurring, guarantee power network safety operation.
Provide a kind of apparatus of load display packing in the embodiment of the present invention, Fig. 1 is the flow chart of the apparatus of load display packing of the embodiment of the present invention, and as shown in Figure 1, the method comprises the steps:
Step S102 collects the inherent scheduled time of electrical network by the physical parameter value of each equipment, wherein, this physical parameter value can for following one of at least: the current value of the current value of transformer station, circuit outlet, the current value of transformer high-low-voltage side;
Step S104, according in the physical parameter value of the scheduled time and the load factor corresponding to fixed physical calculation of parameter equipment of minimum current-carrying component, wherein, the physical parameter when the fixed physical parameter is the minimum current-carrying component normal operation;
Step S106 shows load factor by display device, for example, the mode that can pass through figure (for example, this figure is block diagram or function curve diagram) shows.
Pass through said method, by the physical parametric data of collection and the fixed physical parameter of minimum current-carrying component are calculated, in the prior art for the physical parameter that records by artificial mode and the technical experience that relies on the technical staff, analyze the load factor of electrical network, by corresponding computing module operation, greatly reduced monitor staff's pressure, simultaneously the result of calculating is shown by corresponding display device, make the monitor staff just can monitor the loading condition of each equipment at a picture, improved operating efficiency.
before load factor is shown by display device, predetermined condition can be set (for example, this predetermined condition can for following one of at least: according to the title sequence of transformer station, size sequence according to load factor, the load factor that surpasses predetermined value), this predetermined condition can filter out the load data of the grid equipment that the monitor staff need to know, for example, when surpassing a certain numerical value for load, automatically show on display device, hide accordingly in the data that do not satisfy this predetermined condition, step during operation is: the predetermined condition that load factor shows is set, by predetermined condition, load factor is screened, to show by display device through the load factor that obtains after screening.Need to prove, pass through the physical parameter value of each equipment in the scheduled time in collecting electrical network after, can store physical parameter value, and the data of storage are carried out statistical analysis, when carrying out statistical analysis, a certain predetermined condition also can be set realize, for example, the function of statistical analysis.
Need to prove, can carry out in the computer system such as one group of computer executable instructions in the step shown in the flow chart of accompanying drawing, and, although there is shown logical order in flow process, but in some cases, can carry out step shown or that describe with the order that is different from herein.
A kind of apparatus of load display unit also is provided in the present embodiment, and this device is used for realizing above-described embodiment and preferred implementation, had carried out repeating no more of explanation.As used below, the combination of software and/or the hardware of predetermined function can be realized in term " module ".Although the described device of following examples is preferably realized with software, hardware, perhaps the realization of the combination of software and hardware also may and be conceived.
Fig. 2 is the structured flowchart according to the apparatus of load display unit of the embodiment of the present invention, and as shown in Figure 2, this device comprises: collect module 22, computing module 24 and display module 26, the below describes this device.Collect module 22, be used for collecting the inherent scheduled time of electrical network by the physical parameter value of each equipment; Computing module 24 is used for basis in the physical parameter value of the scheduled time and the load factor corresponding to fixed physical calculation of parameter equipment of minimum current-carrying component, wherein, and the physical parameter when the fixed physical parameter is the minimum current-carrying component normal operation; Display module 26 is used for load factor is shown by display device, for example, can load factor be shown by display device by the mode of figure.
Preferably, this device can also comprise memory module, after being used for passing through the physical parameter value of each equipment in the scheduled time in collecting electrical network, physical parameter value is stored.
In the specific implementation, this system provides the minimum current-carrying component table of each equipment in electrical network to automation personnel by Regulation department, automation personnel calculates real-time load factor according to each equipment minimum current-carrying component and Real-time Load, and designed clearly that the interface is shown, when equipment heavy duty occured, be fully loaded with, transship or do not satisfy the N-1 situation, the real-time load factor of these equipment will show with the form of block diagram.The monitor staff only need open this picture and get final product the surveillance equipment case of heavy load, and can inquire about in figure each main transformer and each circuit by the end of present peak load and high capacity rate, greatly alleviated operations staff's supervision pressure, improved operating efficiency, effectively avoided simultaneously monitoring the generation of the situation such as not in place, between the teletostage, the operation of power networks situation can play an important role for aestivating, spending in this system, has guaranteed power network safety operation.
Fig. 3 is the heavy-haul line watch circle at a time according to the embodiment of the present invention, and Fig. 4 is the heavily loaded transformer watch circle at a time according to the embodiment of the present invention, the watch circle when Fig. 5 is the interim mode of switching according to the equipment of the embodiment of the present invention.
According to this system, the parameters such as load factor are shown simply clearly, be very easy to Regulation personnel's work, the administration of power networks personnel can be according to the chart of various parameters, analyze the ruuning situation of present electrical network, can distribute to operational mode, trend very easily according to this ruuning situation and carry out statistical analysis, especially for during large load, can regulate and control and issue the equipment of paying close attention to according to the result of this analytic statistics, instruct operating management department to adopt differentiation operation maintenance means, effectively get rid of the hidden danger that exists.
In addition, the electrical network static stability analysis is also one of important content of analyzing of mode, pass through said system, can find in time that the electrical network heavy duty is regional, reasonably carry out the adjustment of operational mode according to the concrete condition in this heavy duty zone in good time, the apparatus of load rate is controlled in the reasonable scope, guaranteed the safe operation of electrical network during large load and the orderly supply of electric power, simultaneously mode is analyzed the full and accurate data of rear assessment accumulation.
It should be noted that, basic data in load factor formula in heavy duty supervision module must guarantee corresponding one by one with reality, the minimum current-carrying component parameter that comprises real-time current value, circuit outlet and transformer high-low-voltage side in transformer station, the component of these formula is not as conforming to reality, and the load factor statistics will lose meaning so.
As can be seen from the above description, the embodiment of the present invention has realized following technique effect:
One, monitoring flexibly, broad covered area: by to a certain zone (for example, Fangshan) database update that carries out of electrical network armamentarium load factor, load factor formula make, model integration, to reach Fangshan electrical network Real-Time Monitoring, monitoring range is wide, and is easy to operate flexibly.
Two, auto-sequencing, intelligent screening: the system of the embodiment of the present invention can be to a certain zone (for example, Fangshan) the electrical network armamentarium carries out auto-sequencing and artificial sequence according to load factor, as: whole 10kV outlet load factors, perhaps load factor is greater than certain value etc. conditional filtering, greatly improved its practicality, as: according to transformer station's title sequence, sort according to the load factor size etc., for example, table 1 is the list according to load sequence according to the embodiment of the present invention, and some data of can the Select to use person wanting.
Table 1
| Factory's station name | The calculated value title | Result of calculation |
| Jiao Zhuanzhan | Large part road load factor | 64.85 |
| Lucky sheep station | The Xing Lilu load factor | 64.04 |
| Station, good township | Encircle southern one tunnel load factor | 63.49 |
| Station, water-powered roller village | Cucurbit road load factor | 60.44 |
| Station, beans shop | Neat family's grave road load factor | 60.35 |
| Station, good township | Encircle southern two tunnel load factors | 59.47 |
| Station, the good fortune village | Zhou Kou Dian road load factor | 59.42 |
| The station, Shidu Summer Resort | Six cross the road load factor | 58.18 |
| The Huang Xinzhuan station | Government's two tunnel load factors | 55.31 |
| The Phoenix Pavilion station | Two empty minutes one tunnel load factors | 54.12 |
| The Phoenix Pavilion station | Two empty minutes one tunnel load factors | 53.71 |
Three, real time monitoring, intelligence is flashed: for the load factor that screening conditions are set as: greater than 70%, when the line load rate can disappear in monitoring interface automatically lower than 70%, when automatically flashing at monitoring interface higher than 70% change meeting, due to its Real-Time Monitoring to electrical network, the control of netting is further strengthened.Four, maintenance efficiency high, browse free of discontinuities: system maintenance work efficient is very high, the attendant sits light on, the more important thing is, it does not need this function of stopping using during safeguarding, also just not meaning to cause the user can not browse this picture because of reasons such as maintenances, greatly improved the fail safe of monitoring, all the time electrical network carried out picket surveillance.
In China, district level electric network composition major part is carried out the equipment static stability analysis take radial system as main, guarantees equipment operates in becomes administration of power networks enterprise within the normal load rate vital task.The heave-load device surveillance is not high to hardware, software requirement, has realized that reliable automated system just can realize as long as the district transfers; Attendant's workload is limited, only need carry out the adjustment of basic data after system made.Can say, this system be with less workload realized to electrical network zero distance, without dead angle monitoring, solved the large problem of power supply enterprise, have broad application prospects in power supply enterprise.
obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with general calculation element, they can concentrate on single calculation element, perhaps be distributed on the network that a plurality of calculation elements form, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in storage device and be carried out by calculation element, perhaps they are made into respectively each integrated circuit modules, perhaps a plurality of modules in them or step being made into the single integrated circuit module realizes.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is only the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. an apparatus of load display packing, is characterized in that, comprising:
Collect the inherent scheduled time of electrical network by the physical parameter value of each equipment;
According in the described physical parameter value of the described scheduled time and the load factor corresponding to the described equipment of fixed physical calculation of parameter of minimum current-carrying component, wherein, the physical parameter when described fixed physical parameter is described minimum current-carrying component normal operation;
Described load factor is shown by display device.
2. method according to claim 1, is characterized in that, described physical parameter comprise following one of at least:
The current value of the current value of the current value of transformer station, circuit outlet, transformer high-low-voltage side.
3. method according to claim 1, is characterized in that, the mode by figure shows described load factor by display device.
4. method according to claim 3, is characterized in that, described figure is block diagram or function curve diagram.
5. method according to claim 1, is characterized in that, before being shown by described display device, described load factor comprises,
The predetermined condition that load factor shows is set;
By described predetermined condition, described load factor is screened;
To show by described display device through the load factor that obtains after screening.
6. method according to claim 5, is characterized in that, described predetermined condition be following one of at least:
Title according to transformer station sorts, sorts, surpasses according to the size of load factor the load factor of predetermined value.
7. the described method of any one according to claim 1-6, is characterized in that, in collecting electrical network in the scheduled time by after the physical parameter value of each equipment, described physical parameter value is stored.
8. an apparatus of load display unit, is characterized in that, comprising:
Collect module, be used for collecting the inherent scheduled time of electrical network by the physical parameter value of each equipment;
Computing module, be used for basis in the described physical parameter value of the described scheduled time and the load factor corresponding to the described equipment of fixed physical calculation of parameter of minimum current-carrying component, physical parameter when wherein, described fixed physical parameter is described minimum current-carrying component normal operation;
Display module is used for described load factor is shown by display device.
9. device according to claim 8, is characterized in that, the mode by figure shows described load factor by display device.
10. according to claim 8 or 9 described devices, is characterized in that, also comprises memory module, after being used for passing through the physical parameter value of each equipment in the scheduled time in collecting electrical network, described physical parameter value stored.
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| CN201110436407.5A CN103178610B (en) | 2011-12-22 | 2011-12-22 | Method and device for displaying equipment load |
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| CN201110436407.5A CN103178610B (en) | 2011-12-22 | 2011-12-22 | Method and device for displaying equipment load |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104484834A (en) * | 2014-12-03 | 2015-04-01 | 国家电网公司 | Determination method for minimum current carrying value of power distribution line |
| CN107942884A (en) * | 2017-12-21 | 2018-04-20 | 国网河北省电力有限公司衡水供电分公司 | A kind of fast method vouched of associated end |
| CN110704447A (en) * | 2019-10-10 | 2020-01-17 | 云南中烟工业有限责任公司 | Method for monitoring and evaluating contribution degree of laboratory equipment instrument |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102055244A (en) * | 2010-12-30 | 2011-05-11 | 广东电网公司江门供电局 | Method for graphically monitoring running state of transformer of distribution network |
| CN102209231A (en) * | 2010-03-29 | 2011-10-05 | 北京市电力公司 | Equipment information output method and system |
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2011
- 2011-12-22 CN CN201110436407.5A patent/CN103178610B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102209231A (en) * | 2010-03-29 | 2011-10-05 | 北京市电力公司 | Equipment information output method and system |
| CN102055244A (en) * | 2010-12-30 | 2011-05-11 | 广东电网公司江门供电局 | Method for graphically monitoring running state of transformer of distribution network |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104484834A (en) * | 2014-12-03 | 2015-04-01 | 国家电网公司 | Determination method for minimum current carrying value of power distribution line |
| CN104484834B (en) * | 2014-12-03 | 2018-04-06 | 国家电网公司 | The determination method of distribution line minimum current-carrying value |
| CN107942884A (en) * | 2017-12-21 | 2018-04-20 | 国网河北省电力有限公司衡水供电分公司 | A kind of fast method vouched of associated end |
| CN110704447A (en) * | 2019-10-10 | 2020-01-17 | 云南中烟工业有限责任公司 | Method for monitoring and evaluating contribution degree of laboratory equipment instrument |
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| CN103178610B (en) | 2015-06-03 |
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