CN203151231U - Monitoring and analysis system for power grid running state of electrical power system - Google Patents
Monitoring and analysis system for power grid running state of electrical power system Download PDFInfo
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- CN203151231U CN203151231U CN 201320166355 CN201320166355U CN203151231U CN 203151231 U CN203151231 U CN 203151231U CN 201320166355 CN201320166355 CN 201320166355 CN 201320166355 U CN201320166355 U CN 201320166355U CN 203151231 U CN203151231 U CN 203151231U
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Abstract
The utility model discloses a monitoring and analysis system for the power grid running state of an electrical power system. The monitoring and analysis system comprises an acquisition client end, a terminal server, a data storage and a data monitoring node, wherein the data monitoring node comprises a signal transceiver, a geographic information processor and a signal controller; and the signal transceiver is used for obtaining a plurality of signals in a set area, the position information of the signals is determined via the maximum of signal intensities in the geographic information processor, and then the signals are processed via the signal controller and sent to the acquisition client end via the signal transceiver. With the adoption of the monitoring and analysis system disclosed by the utility model, the following purposes are realized: 1) the functions needed by scheduling are integrated via complementation with the existing system; 2) the conditions of normal running mode, abnormity, early-warning and the like of the main grid frame of the power grid can be intuitively reflected via one interface in real time; 3) the functions of intelligent identification for main transformer N-1 and auxiliary processing, and the functions of comprehensive analysis for reactive voltage and short message warning are realized; and 4) later-stage development and maintenance are easy to perform.
Description
Technical field
The utility model relates to electric power system electrical network power transmission and distribution technology, more particular words it, the utility model relates to a kind of operation of power networks condition monitoring, analysis and early warning system.
Background technology
Power network safety operation is subjected to the influence of many-sided factors such as power system operating mode, trend situation, equipment state, and for traffic control, it is very important how can grasping these information in time, intuitively and accurately.In the market the dispatch automated system of Shi Yonging all adopt ground, county even province,, county's integral system, data server also is same server, and the user is not single at scheduling, has following shortcoming like this:
1. wide and not smart.Since at the user not single, face is too extensive, can not be fully from local management and running reality of work, the centralized dispatching required function is in one.
2. visualization interface deficient function.Can not be from the abnormal running mode that reflects all transformer stations directly perceived on the interface, the dispatcher need click transformer station one by one and could understand.
3. exploitability is weak, later maintenance is difficult.On the one hand, do not guarantee the safety of database, it is more to split hair threshold system; On the other hand, function redevelopment and later maintenance too rely on producer, and cost, maintenance cost are too high, and differ and guarantee to realize the function wanted surely.
The utility model content
The utility model has mainly solved several problems: 1) realize and the complementation of existing system, integrate the scheduling required function; 2) concentrate, the realization of visualization interface, just can reflect situations such as electrical network main grid structure abnormal running mode, unusual, early warning intuitively, in real time from an interface; 3) INTELLIGENT IDENTIFICATION, aid in treatment function and reactive voltage analysis-by-synthesis, the short message alarm function of realization main transformer N-1; 4) later development, maintenance are easily.
Technical solutions of the utility model: a kind of electric power system operation of power networks condition monitoring and analytical system, comprised the collection client, terminal server and data storage, each electrical network converting equipment obtains its 220KV converting equipment reactive voltage in the zone by connecting wherein to gather client, stable limit, 220KV main transformer N-1 state or electrical network abnormal condition signal, and be connected to described terminal server, data storage is connected with terminal server, it improves design and is: further comprise the data acquisition node that is connected with described collection client, it comprises a signal transceiver, is used for receiving the described signal in its setting regions on every side; A geographic information processing device is for the positional information of confirming the new converting equipment in the described setting regions; A signal controller is used for that the described signal from the whole converting equipments in the described predeterminable area is carried out data and handles; Wherein, signal transceiver is connected to signal controller and geographic information processing device respectively, obtain several signals in the described setting regions by signal transceiver, decide the positional information of this signal by the signal strength signal intensity maximum in the geographic information processing device, handle received signal and be sent to the collection client by the signal transceiver by described signal controller subsequently.
In an embodiment of electric power system operation of power networks condition monitoring and analytical system, it is to sentence the power line carrier mode or wireless mode obtains by the immediate known converting equipment in geographical position of new converting equipment therewith that described data acquisition node obtains the signal from described new converting equipment, and the geographical location information of wherein said known converting equipment is to default in the readable storage medium storing program for executing of described geographic information processing device.
In an embodiment of electric power system operation of power networks condition monitoring and analytical system, further comprise an output device, be used for the data from described data acquisition node are carried out visual demonstration.
In an embodiment of electric power system operation of power networks condition monitoring and analytical system, described geographic information processing device is made up of a gps receiver and process chip.
In an embodiment of electric power system operation of power networks condition monitoring and analytical system, the improvement of described terminal server design comprises: a processor, design in order to:
Obtain reactive power and active power value from data acquisition node, by
Judge the reactive voltage state of converting equipment, wherein λ is power factor, P active power value, Q reactive power value; At least monitor the grid power transmission line stabilization, grid power transmission line line loss or grid power transmission line efficiency, according to the processing of classifying of 220kV main transformer N-1 state analysis, wherein said classification is handled and has been comprised that 1 class satisfies N-1,2 classes do not satisfy N-1, the overcurrent multiple is 1-1.3, and 3 class overcurrent multiples are 1.3-1.5, and 4 classes are for surpassing 1.5 times.
Description of drawings
Fig. 1 is the structural principle block diagram of the utility model system.
Embodiment
Fig. 1 is the main block diagram of system, schematically shows electric power system operation of power networks condition monitoring and analytical system, has wherein comprised collection client 1, terminal server 2 and data storage 3.Each electrical network converting equipment obtains its 220KV converting equipment reactive voltage, stable limit, 220KV main transformer N-1 state or electrical network abnormal condition signal in the zone by connecting to gather client 1, and be connected to described terminal server 2, data storage 3 is connected with terminal server 2, further comprise the data acquisition node 4 that is connected with described collection client 1, it comprises a signal transceiver 41, is used for receiving the described signal in its setting regions on every side; A geographic information processing device 42 is for the positional information of confirming the new converting equipment in the described setting regions; A signal controller 43 is used for that the described signal from the whole converting equipments in the described predeterminable area is carried out data and handles; Wherein, signal transceiver 41 is connected to signal controller 43 and geographic information processing device 42 respectively, obtain several signals in the described setting regions by signal transceiver 41, decide the positional information of this signal by the signal strength signal intensity maximum in the geographic information processing device 42, handle received signal by described signal controller 43 subsequently and be sent to by signal transceiver 41 and gather client 1.
In one embodiment, it is to sentence the power line carrier mode or wireless mode obtains by the immediate known converting equipment in geographical position of new converting equipment therewith that 4 pairs of signals from described new converting equipment of described data acquisition node obtain, and the geographical location information of wherein said known converting equipment is to default in the readable storage medium storing program for executing of described geographic information processing device 42.
In one embodiment, further comprise an output device 5, be used for the data from described data acquisition node 4 are carried out visual demonstration.
In one embodiment, described geographic information processing device 42 is made up of a gps receiver and process chip.In one embodiment, on geographical winding diagram by multimode variable and the switchblade knife state is carried out automatic identification, circuit is set corresponding warning threshold value in various degree, different situations are distinguished with color, stop labour if any circuit and be yellow and flicker etc. for white, circuit overload, realize the 220kV circuit, the demonstration of 220kV factory station and the improper mode of subordinate transformer station and abnormal conditions.And concentrated stability line volume is set monitor module, main transformer N-1 alarm, intellectual analysis, rationing the power supply always adds computing module and 220kV electric substation is idle, the voltage monitoring module is in one, and back three functions are set again by function and the data storage is read and realized consulting of concrete condition.This design has following advantage:
1) though on the supervisory control system of using monitoring function is arranged at present, difference in functionality is distributed in different sub-interfaces, can't monitor in real time each sub-interface data at same main interface, therefore at a time can only monitor an interface data.
2) can check running status, the traffic overload situation that respectively becomes interconnection in real time, intuitively, the dispatcher can in time know when unusual when electrical network occurs; By the different situations of color differentiating operation of power networks, make the dispatcher more very clear to present electric power netting safe running situation simultaneously.
Situation unclear to the power system operating mode handing-over or that omit takes place when 3) avoiding relieving.The 220kV main transformer is carried out the N-1 state analysis, specifically be divided into 4 classes, 1 class satisfies N-1, and 2 classes do not satisfy N-1, and the overcurrent multiple is 1-1.3, and 3 class overcurrent multiples are 1.3-1.5, and 4 classes are for surpassing 1.5 times.And provide strategy according to the permission overcurrent multiple of each main transformer and corresponding permission overcurrent time.According to analysis result, if super 1-1.3 doubly, yellow flicker, 1.3-1.5 doubly pink colour flicker, the 220Kv on off state, main transformer load and the capacity that show each main transformer simultaneously, initial load multiple before N-1 truly takes place to recollect record N-1, and sustainable time behind the demonstration N-1, the countdown demonstration automatically of sustainable time.
When main transformer seriously transships need ration the power supply the time, only need in accident is rationed the power supply the tagmeme table, to choose relevant circuit and can always add total addend of rationing the power supply, avoid rationing the power supply more or rationing the power supply less, provide total application of load to carry out accident treatment to the dispatcher rapidly by calculating.This type of fault of auxiliary dispatching person's emergency treatment when main transformer N-1 takes place, is guaranteeing the stabilization of power grids and is avoiding under the prerequisite of operational outfit nonoverload, farthest realizes rationing the power supply becoming more meticulous, and avoids unnecessary loss of outage.
Dispatch automated system also provides main transformer N-1 function for monitoring at present, but lacks main transformer N-1 overload degree, sustainable time of overload and the strategy analysis of rationing the power supply.To sum up analyze, the main transformer N-1 method for supervising that the utility model provides has following advantage:
1) reflected quickly and easily the time that each 220kV main transformer N-1 situation, the overladen order of severity and dissimilar main transformer can continuous services;
2) when main transformer does not allow overload or main transformer N-1 fault, provide the strategy of rationing the power supply, helped the dispatcher to control load rapidly, guaranteed the reliable and stable operation of electrical network and the safety of equipment effectively.
Equipment such as some circuit, main transformer stop using as a servant the overload that may cause other operational outfits in the electrical network main grid structure (220kV/500kV), the safety and stability limit that surpasses regulation, making power network safety operation be subjected to very test, is necessary to Risk-warning can be provided under this kind situation therefore.The control strategy that different maintenance runs is corresponding different and different limits, need at present to add in supervisory control system by automation personnel, lack flexibility and independence, mode hindered for some reason can not in time add or upgrade when changing and monitored limit busy or night as personnel.By reading the measuring point in the Hisoon database, use the VB programming to realize stablizing the free setting that limit monitors content and algorithm.
Only have single monitoring function idle to electric substation, power rate in the current system, have deficiency aspect alarm, decision making function, also there is defective in the AVC system aspect control strategy simultaneously, causes part 220kV electric substation power rate examination point defective.So need provide one to overlap supervisory control system special idle at 220kV electric substation, voltage for dispatcher on duty, examine when power rate and can accurately provide warning information when defective, remind the dispatcher in time to take counter-measure simultaneously, guarantee that power rate, voltage return in the acceptability limit.Require simultaneously to realize that the capacitor switching number of times shows and the unusual SMS alarm function of long-time power rate.This functions of modules following 1) idle, power rate monitors 2) the power rate alarm judges 3) the capacitor action frequency shows 4) out-of-limit duration, qualification rate statistics 5) phonic warning 6) and long-term voltage power rate get over the line note send remind 7) history alarm record queries 8) statistical report form inquiry 9) multiple function such as the curve chart demonstration of floating.
Wherein the capacitor action frequency can show one day action frequency of capacitor, and AVC locking when reaching the maximum times of setting reminds regulation and control person need strengthen monitoring, manually adjusts.
In one embodiment, by the function of sending short messages, software can be sent to the personnel that choose with the warning information that customizes automatically, is having special requirement also can adopt manual sending function, and the short message content of manually working out is sent to the personnel that choose.
In one embodiment, system architecture can be divided into many levels such as acquisition layer, communication layers, data Layer, application layer, bears different functions respectively.For realizing gathering a large amount of real-time power network data, the utility model adopts the Hisoon database, and client utility and Visual Basic are as developing instrument.The Hisoon real-time data base provides clear, accurate electrical network measuring point data uses the client development function that meets Microsoft Windows user interface standard fully in order to realize the exploitation of user's specific demand simultaneously.
In one embodiment, client (main interface) arranges button by main transformer setting, circuit and can realize circuit, the increase of main transformer limit, modification, and deposit the raw data base Microsoft Excel in, when stablizing the limit requirement, select relevant device also as required from the edlin formula, structure outputs to client (main interface) and shows.
In one embodiment, program reads from database and respectively becomes idle, the meritorious value of 220kV side, according to
Wherein λ is power factor, and P is meritorious, and Q is idle.When result of calculation is defective, the dispatcher is reminded in sound, light alarm, note is sent to the related personnel, and the dispatcher can be by checking the interface concrete condition, and group number, number of times are moved back in throwing as capacitor, the defective time is decided is which group capacitor enough manual interventions and throwing move back.
For example, can purple on an OLED display 5, blueness, the red circuit that represents different electric pressures respectively, white is for stopping the labour state, and yellow is improper.Switch is all arranged in the interconnection both sides between each transformer station (for example representing with circle) and each transformer station, switching value is made as the multimode amount and establishes normal condition is the initial condition amount, on off state directly reads the real-time on off state of Hisoon database, refreshed once in per five minutes (can arrange shorter), when on off state changes and is inconsistent with the initial condition amount, the switch flicker.If switch divides the position between two transformer station's sides, be abnormal condition, switch variable color flicker.Each undesired mode that becomes realizes that by all position of the switch states in the retrieval station when appearance and initial condition were not inconsistent, the color of transformer station became yellow on the main interface.
Another embodiment of the present utility model provides a kind of electric power system operation of power networks condition monitoring and analytical system, be used for obtaining 220KV converting equipment reactive voltage, stable limit, 220KV main transformer N-1 state or electrical network abnormal condition signal from the zone of gathering client 1, its monitoring has comprised with analytical method:
Gather several signals of converting equipment in the setting regions in the mode of wireless connections by data acquisition node 4;
Contrast by geographic information processing device 42 parameter value with these several signals, with the positional information of the signal that obtains a maximum intensity value;
By signal controller 43 to sending a request command with the immediate known converting equipment of the residing geographical position of this signal distance, to obtain the signal of this new converting equipment;
By institute's data carried by data information in the signal of the described new converting equipment of signal controller 43 acquisitions, send to and gather client 1;
Handle and store by gathering 1 pair of data of client, set up the record in a new converting equipment and its geographical position, be sent to terminal server 2.
In one embodiment, data acquisition node 4 comprises a signal transceiver 41, is used for receiving the described signal in its setting regions on every side; Geographic information processing device 42 is for the positional information of confirming the new converting equipment in the described setting regions; Signal controller 43 is used for that the described signal from the whole converting equipments in the described predeterminable area is carried out data and handles; Wherein, signal transceiver 41 is connected to signal controller 43 and geographic information processing device 42 respectively.
Claims (4)
1. electric power system operation of power networks condition monitoring and analytical system, comprised the collection client, terminal server and data storage, each electrical network converting equipment obtains its 220KV converting equipment reactive voltage in the zone by connecting wherein to gather client, stable limit, 220KV main transformer N-1 state or electrical network abnormal condition signal, and be connected to described terminal server, data storage is connected with terminal server, it is characterized in that: further comprise the data acquisition node that is connected with described collection client, it comprises a signal transceiver, is used for receiving the described signal in its setting regions on every side; A geographic information processing device is for the positional information of confirming the new converting equipment in the described setting regions; A signal controller is used for that the described signal from the whole converting equipments in the described predeterminable area is carried out data and handles; Wherein, signal transceiver is connected to signal controller and geographic information processing device respectively, obtain several signals in the described setting regions by signal transceiver, by decide the positional information of this signal in the geographic information processing device corresponding to the signal strength signal intensity maximum, handle received signal and be sent to the collection client by the signal transceiver by described signal controller subsequently.
2. electric power system operation of power networks condition monitoring according to claim 1 and analytical system, it is characterized in that: it is to sentence the power line carrier mode or wireless mode obtains by the immediate known converting equipment in geographical position of new converting equipment therewith that described data acquisition node obtains the signal from described new converting equipment, and the geographical location information of wherein said known converting equipment is to default in the readable storage medium storing program for executing of described geographic information processing device.
3. electric power system operation of power networks condition monitoring according to claim 1 and analytical system is characterized in that: further comprise the output device that a terminal server connects, be used for the data from described data acquisition node are carried out visual demonstration.
4. electric power system operation of power networks condition monitoring according to claim 1 and analytical system is characterized in that: described geographic information processing device is made up of a gps receiver and process chip coupling.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201320166355 CN203151231U (en) | 2013-04-03 | 2013-04-03 | Monitoring and analysis system for power grid running state of electrical power system |
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| CN 201320166355 CN203151231U (en) | 2013-04-03 | 2013-04-03 | Monitoring and analysis system for power grid running state of electrical power system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103178617A (en) * | 2013-04-03 | 2013-06-26 | 国家电网公司 | Power grid operation state monitoring and analyzing system and method for power system |
| CN103700210A (en) * | 2013-12-09 | 2014-04-02 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Web GIS (geographical information system)-based comprehensive alarm display method |
| CN104124757A (en) * | 2014-06-30 | 2014-10-29 | 国网青海省电力公司电力科学研究院 | Background operation monitoring system for power grid fault simulation detection device of high-altitude photovoltaic power station |
| CN109599783A (en) * | 2018-12-13 | 2019-04-09 | 江苏昂内斯电力科技股份有限公司 | A kind of safe distribution simulation screen system and its control method based on cloud platform |
-
2013
- 2013-04-03 CN CN 201320166355 patent/CN203151231U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103178617A (en) * | 2013-04-03 | 2013-06-26 | 国家电网公司 | Power grid operation state monitoring and analyzing system and method for power system |
| CN103178617B (en) * | 2013-04-03 | 2015-07-15 | 国家电网公司 | Power grid operation state monitoring and analyzing system and method for power system |
| CN103700210A (en) * | 2013-12-09 | 2014-04-02 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Web GIS (geographical information system)-based comprehensive alarm display method |
| CN103700210B (en) * | 2013-12-09 | 2015-12-02 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | The comprehensive warning exhibiting method of a kind of sing on web GIS |
| CN104124757A (en) * | 2014-06-30 | 2014-10-29 | 国网青海省电力公司电力科学研究院 | Background operation monitoring system for power grid fault simulation detection device of high-altitude photovoltaic power station |
| CN104124757B (en) * | 2014-06-30 | 2017-02-08 | 国家电网公司 | Background operation monitoring system for power grid fault simulation detection device of high-altitude photovoltaic power station |
| CN109599783A (en) * | 2018-12-13 | 2019-04-09 | 江苏昂内斯电力科技股份有限公司 | A kind of safe distribution simulation screen system and its control method based on cloud platform |
| CN109599783B (en) * | 2018-12-13 | 2020-04-28 | 江苏昂内斯电力科技股份有限公司 | Safe power distribution simulation screen system based on cloud platform and control method thereof |
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