CN102495936A - Method for automatic modeling of AVC (Advanced Video Coding) system with maintenance free - Google Patents
Method for automatic modeling of AVC (Advanced Video Coding) system with maintenance free Download PDFInfo
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- CN102495936A CN102495936A CN2011104275300A CN201110427530A CN102495936A CN 102495936 A CN102495936 A CN 102495936A CN 2011104275300 A CN2011104275300 A CN 2011104275300A CN 201110427530 A CN201110427530 A CN 201110427530A CN 102495936 A CN102495936 A CN 102495936A
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Abstract
The invention relates to a method for automatic modeling of an AVC (Advanced Video Coding) system with maintenance free. The method is formed by automatic modeling and automatic synchronization. The automatic modeling is used for the installation stage of the AVC system and can be also used for adding a new monitoring station in a running AVC system, and the completeness and the correctness of an imported model and imported parameters are ensured through verification of equipment and parameters relevant to control through encoding rules. The automatic synchronization can ensure the consistency of an AVC model and an EMS (Enhanced Message Service) model in future operation maintenance.
Description
Technical field
The present invention relates to electric network reactive-load voltage Comprehensive Control and optimize the non-maintaining method of a kind of AVC system's automatic modeling in field.Said AVC (AUTOMATIC VOLTAGE CONTROL) is meant the electric system automatism voltage control.
Background technology
Along with the rapid growth of electric system and being doubled and redoubled of scale of power, the electrical network first-line staff comprises that pressure and labour intensity that the yardman faces also constantly increase.Under this background,, received great attention because yardman's pressure and labour intensity can greatly alleviated and alleviate in the AVC system as automatic control system.The AVC system popularizes rapidly in recent years, and counties and districts' level is general, and what adopt is the one-level voltage control system, and regional and big counties and districts then mainly adopt secondary voltage control, big area and economize the net level and then be controlled to be the master with tertiary voltage control and towards the voltage power-less of the whole network.
Aspect the setting up of AVC model and parameter.All there is very high requirement in the AVC system to model and definite value security and correctness, and it directly influences the security performance of electrical network.Existing AVC system all with the process of setting up of AVC model and parameter and thereafter safety check the automated maintenance personnel that given, under the background of electrical network high speed development at present, maintainer's pressure is well imagined.
Aspect the safeguarding of AVC later stage model and parameter.After having carried out revising with the AVC relevant portion in EMS (EMS) model, the AVC model also need carry out corresponding modification, if can not possibly cause very serious consequence synchronously in time.For the maintainer, after electric network model reaches certain scale, be difficult to confirm whether fully coupling of EMS model and AVC model, like this as far as AVC, there is certain potential safety hazard.
Summary of the invention
Technical matters to be solved by this invention is, provides a kind of AVC system's automatic modeling non-maintaining method, adopts the non-maintaining technology of automatic modeling, obtains electric network model and the parameter that the operation of AVC system needs from the EMS system, and the model parameter of realization AVC system is non-maintaining.
Technical scheme of the present invention is following:
The non-maintaining method of a kind of AVC system's automatic modeling is characterized in that:
Tn in the AVC model, Bn, Cn, Rn, Ln, Dn annexation are tested, reject for wherein isolated equipment and the equipment that is connected to non-set;
And AVC carried out parameter completeness inspection: comprise whether Tn equipment finds gear, meritoriously measure, idle measurement whether Cn/Rn finds idle measurement and fling-cut switch, whether bus finds voltage to measure; If wherein one can not find, provide miscue and corresponding parameter is set to default;
Then equipment and parameter are carried out coding checkout: require the Tn coding to comprise " tf " substring, its gear comprises " gear " in measuring and describing, the Cn coding comprises " cb "; Its fling-cut switch comprises " electric capacity " in describing, and the Rn coding comprises " rb ", its fling-cut switch comprises " reactance " in describing; If do not meet the demands, then end to import and the prompting user's modification, carry out verification after the modification again; After inerrancy prompting after the verification, equipment and parameter are imported the AVC model;
Wherein, Tn is the set of AVC transformer, and Bn is the set of AVC bus, and Cn is the set of AVC capacitor, and Rn is
The set of AVC reactor, Dn is the set of AVC switch tool.
Also comprise following automatic synchronizing step:
1), be match keywords with transformer equipment ID, obtain transformer parameter in EMS model and the AVC model respectively, updated portion in the EMS model is synchronized in the AVC model, simultaneously institute's attached device relevant portion in the AVC switch tool parameter is upgraded;
2), be match keywords with bus equipment ID, obtain EMS model and AVC model median generatrix parameter respectively, updated portion in the EMS model is synchronized in the AVC model, simultaneously institute's attached device relevant portion in the AVC switch tool parameter is upgraded;
3) be match keywords, with capacitor and reactor ID; Obtain capacitor and reactor parameter in EMS model and the AVC model respectively; Updated portion in the EMS model is synchronized in the AVC model, simultaneously institute's attached device relevant portion in the AVC switch tool parameter is upgraded;
4) be key word, with switch tool collection point ID; Obtain switch tool parameter in EMS model and the AVC model respectively; Updated portion in the EMS model is synchronized in the AVC model, and institute's attached device relevant portion upgrades in switch tool code section and the AVC switch tool parameter to relating in AVC capacitor/reactor parameter simultaneously;
5), be key word to measure collection point ID, obtain measurement parameters in EMS model and the AVC model respectively, updated portion among the EMS is synchronized in the AVC model, upgrade relating to the measurement code section in AVC transformer/bus/capacity reactance parameter simultaneously.
Annexation search through EMS forms AVC switch tool set Dn, and set Dn comprises a), arbitrary transformer Tx switch tool Dtb of process in the direct access path between arbitrary bus Bx in the Bn among the Tn; B), the switch tool set Dbb of arbitrary Bx process in the direct access path between the By among the set B n; C), arbitrary Cx Dtb of process in the direct access path between arbitrary Bx in the Bn among the set Cn; D), arbitrary Rx Dtb of process in the direct access path between arbitrary Bx in the Bn among the set Rn; Direct access path wherein refers to connection from an equipment to another equipment without non-switch tool equipment, and annexation between the two only is made up of switch tool equipment.
Good effect of the present invention is:
The present invention realizes the automatic generation and the synchronizing function of AVC model through software; Between EMS model and AVC model, set up mapping relations; Realize generating AVC system operation devices needed model and parameter by EMS model and data through mapping relations, the maintainer is the factory of designated model and the parameter scope of standing neatly.Adopt the increment introduction method, guarantee that in importing process the user originally modification in the AVC system can not be changed.AVC operational factors such as the idle definite value of while formation voltage are saved the manual entry definite value stage, get into the locking test phase immediately.Automatic synchronizing function is provided, after the user makes adjustment to EMS model and parameter, detects the difference between two models automatically and carry out synchronously.After having prevented that fundamentally the AVC model from importing, revise the asynchronous problem that causes, eliminated the wrong control of the mistake control hidden danger of bringing thus because of the EMS systematic parameter.Automatically generation model and synchronizing function is all online carries out, modeling and synchronizing process AVC system all need not stop transport.
In addition, the present invention also has following characteristics:
1, AVC system model and parameter realize safeguarding automatically, and on-line maintenance has improved the availability of AVC system greatly, and ease for use can make the AVC system obtain more wide application;
2, the present invention adopts automatic generation AVC model thoroughly to exempt personnel's modeling and checking work, and construction period of AVC system has been shortened in the modeling one-key operation greatly, has reduced construction cost.
3, the present invention adopts the method for on-line maintenance, adds parameter and safeguards that the AVC systemic-function of all need not stopping transport can accomplish, and has reduced the idle time of AVC system, improves the operational percentage of AVC system, can reduce the manual shift number of times.
4, the present invention adopts automatic synchronizing function to reduce AVC system later maintenance workload and complexity, can save maintainer's time and expense.
5, the present invention has overcome in the past that the security performance of AVC system seriously relies on maintainer's the quality and the defective of technical merit; Use predefined relation to guarantee that through computer software AVC system model and parameter are correctly available by the AVC system, improved the security performance and the stability of system greatly.
6, the coding checkout mechanism to controlled variable in the AVC system of the present invention's employing can prevent and eliminate the wrong control mistake of AVC system and control phenomenon, avoids the economic loss of bringing thus.
Embodiment
Further specify the present invention below in conjunction with embodiment.
The present invention is simple and easy to the AVC system high with, reliability, that the software height is realized from maintaining method, and this method realizes from the EMS model, generating required model and the parameter function of AVC system operation, and the complete automatic systematic function of definite value is provided.
The AVC system from maintaining method by automatic Cheng Mo and automatic synchronously two parts.Automatically Cheng Mo is used for AVC system installation phase, also can be used in the AVC system, importing new monitoring factory station and equipment, through the device parameter that wherein relates to control is carried out verification through coding rule, and the model of guaranteeing to import and the integrality and the correctness of parameter.Automatically synchronously guarantee that then in operation maintenance in the future, the AVC model remains the consistance with the EMS model.
AVC system model and parameter realize safeguarding automatically, and on-line maintenance improves the availability of AVC system greatly, and ease for use makes the AVC system obtain more wide application.Construction period of AVC system is shortened in the modeling one-key operation greatly, reducings the construction costs.Add parameter and safeguard that the AVC systemic-function of all need not stopping transport can accomplish, reduced the idle time of AVC system, improve the operational percentage of AVC system, can reduce the manual shift number of times.Automatic synchronizing function reduces AVC system's later maintenance workload and complexity, can save maintainer's time and expense.This programme is broken away from quality and the technical merit that the security performance of AVC system in the past seriously relies on the maintainer; Use predefined relation to guarantee that through computer software AVC system model and parameter are correctly available by the AVC system, improved the security performance and the stability of system greatly.The coding checkout mechanism to controlled variable in the AVC system that adopts in the scheme can prevent and eliminate the wrong control mistake of AVC system and control phenomenon, avoids the economic loss of bringing thus.
The present invention is made up of with automatically synchronous two parts automatic Cheng Mo:
Automatically become the mould key step following:
1, the selected good initial S set e of transformer station from EMS forms the S set n of transformer station of AVC system, and its rule is that Se satisfies electric pressure in the AVC range of control and possess controlled condition.Obtain the correlation parameter of Sn, comprise factory's name of station, factory station type etc. are provided with that factory station AVC correlation parameter is the adjusted open loop pattern among the Sn, the preferential and capacitor priority principle of voltage.
2, in the EMS transformer model, search for the transformer that belongs to Sn; Filter according to electric pressure and coding rule; Form AVC transformer set Tn at last; Its coding of Tx must satisfy prior specified coding rule arbitrarily, and default rule is must comprise in the transformer code " tf ", its gear must comprise " gear " in measuring and describing.Obtain transformer equipment parameter (mainly comprising transformer type, electric pressure, capacity and relevant nameplate parameter etc.).The set position action is spaced apart 10 minutes, and a day action frequency is 10 times.
3, the bus among the search Sn in EMS bus model is removed the wherein bus of no-voltage collection, forms AVC bus set B n, and obtains the bus equipment parameter, if device parameter is incomplete, then fills default parameters according to electric pressure.
4, the capacitor among the search Sn in the EMS capacitor model is removed the capacitor that does not wherein have fling-cut switch, forms AVC capacitor set Cn, and from the EMS model, obtains device parameter among the Cn.According to the measurement data curve after nearest No. three the capacitor displacements device parameter is carried out verification and replenishes.
5, the reactor among the search Sn in EMS reactor model is removed the reactor that does not wherein have fling-cut switch, forms AVC reactor set Rn, and obtains device parameter.Measurement data according to after nearest No. three the reactor displacements is replenished verification to device parameter.
6, the search of the annexation through EMS forms AVC switch tool set Dn, and set Dn comprises a), arbitrary transformer Tx switch tool Dtb of process in the direct access path between arbitrary bus Bx in the Bn among the Tn; B), the switch tool set Dbb of arbitrary Bx process in the direct access path between the By among the set B n; C), set Dn comprises the Dcb of process in the direct access path between arbitrary Bx in the Bn of arbitrary Cx among the Cn; D), set Rn comprises the Drb of process in the direct access path between arbitrary Bx in the Bn of arbitrary Rx among the Rn.
Direct access path wherein refers to connection from an equipment to another equipment without non-switch tool equipment, and annexation between the two only is made up of switch tool equipment.
8, the Tn in the AVC model, Bn, Cn, Rn, Dn annexation are tested, reject for wherein isolated equipment and the equipment that is connected to non-set.AVC is carried out the inspection of parameter completeness, comprise mainly whether Tn equipment finds gear/meritorious/idle measurement, and whether Cn/Rn finds idle measurement and fling-cut switch, and whether bus finds voltage to measure.Visual plant and parameter are carried out coding checkout, and Tn encodes to satisfy and comprises " tf " the character string requirement, its gear must comprise " gear " in measuring and describing.The Cn coding must comprise " cb ", its fling-cut switch must comprise " electric capacity " in describing.The Rn coding must comprise " rb ", its fling-cut switch must comprise " reactance " in describing.If do not meet the demands, after then ending importing and pointing out user's modification, begin from step 1 again.
9, protect barring condition to generate, protect the guard signal that search is relevant with Tn and three side switch tools in the parameter, the guard signal of being correlated with Cb/Rb and fling-cut switch at EMS, Pn is gathered in the formation protection, and forms the guard signal barring condition of AVC.
10, according to the device parameter of Tn, 80% formation overload locking is by measure pressed lowest high-current value and is formed overcurrent protection etc.Capacity according to Cn/Rn forms idle exception condition etc.
11, the rule of setting in advance according to the user forms voltage limit value Vn, if the user be not provided with according to being limited to 200 under the 220kV, on be limited to 250; 110kV is 109 to 105; 35kV is 35 to 38.5, and 10kV is 10.1 to 10.6, and other voltage limit value width is 5% formation voltage limit value.And decide reactive apparatus action and be spaced apart 5 minutes, a day action frequency is 20 times.
12, be principle not allow idle sending, the reactive limit value width is 1.3 times of idle definite value Qn of formation of single group capacitor/reactor max cap. in the station.
13, the online importing of method of addition Sn, Tn, Bn, Cn, Rn, Dn, Vn, Qn.
Automatically key step is following synchronously:
1, every at a distance from four hours, start automatic synchronizing process.
2, detect the current nothing of AVC system and regulate strategy, otherwise have the strategy of adjusting then to wait for 30 seconds, detect again.
3, be match keywords with transformer equipment ID, obtain respectively that transformer parameter comprises code in EMS model and the AVC model, title, nameplate parameters etc. are synchronized to updated portion in the EMS model in the AVC model.Simultaneously institute's attached device relevant portion in the AVC switch tool parameter is upgraded.
4, be match keywords with bus equipment ID, obtain the EMS model respectively and AVC model median generatrix parameter comprises code, title, nameplate parameters etc. are synchronized to updated portion in the EMS model in the AVC model.Simultaneously institute's attached device relevant portion in the AVC switch tool parameter is upgraded.
5, be match keywords with capacitor/reactor ID, obtain capacitor in EMS model and the AVC model/reactor parameter respectively and comprise code, title, nameplate parameters etc. are synchronized to updated portion in the EMS model in the AVC model.Simultaneously institute's attached device relevant portion in the AVC switch tool parameter is upgraded.
6, be key word with switch tool collection point ID, obtain respectively that the switch tool parameter comprises code in EMS model and the AVC model, title, nameplate parameters etc. are synchronized to updated portion in the EMS model in the AVC model.Institute's attached device relevant portion upgrades in switch tool code section and the VC switch tool parameter to relating in AVC capacitor/reactor parameter simultaneously.
7, be key word to measure collection point ID, obtain respectively that measurement parameters comprises code in EMS model and the AVC model, title is synchronized to updated portion among the EMS in the AVC model.Upgrade relating to the measurement code section in AVC transformer/bus/capacity reactance parameter simultaneously.
8, synchronous renewal back AVC system model is carried out verification by importing in " becoming mould key step 8 automatically " automatically,, point out the customer inspection relevant error information if any unusually, synchronous again.Otherwise this subsynchronous end.
Claims (3)
1. non-maintaining method of AVC system automatic modeling is characterized in that:
Tn in the AVC model, Bn, Cn, Rn, Ln, Dn annexation are tested, reject for wherein isolated equipment and the equipment that is connected to non-set;
And AVC carried out parameter completeness inspection: comprise whether Tn equipment finds gear, meritoriously measure, idle measurement whether Cn/Rn finds idle measurement and fling-cut switch, whether bus finds voltage to measure; If wherein one can not find, provide miscue and corresponding parameter is set to default;
Then equipment and parameter are carried out coding checkout: require the Tn coding to comprise " tf " substring, its gear comprises " gear " in measuring and describing, the Cn coding comprises " cb "; Its fling-cut switch comprises " electric capacity " in describing, and the Rn coding comprises " rb ", its fling-cut switch comprises " reactance " in describing; If do not meet the demands, then end to import and the prompting user's modification, carry out verification after the modification again; After inerrancy prompting after the verification, equipment and parameter are imported the AVC model;
Wherein, Tn is the set of AVC transformer, and Bn is the set of AVC bus, and Cn is the set of AVC capacitor, and Rn is
The set of AVC reactor, Dn is the set of AVC switch tool.
2. the non-maintaining method of AVC system's automatic modeling as claimed in claim 1 is characterized in that:
Also comprise following automatic synchronizing step:
1), be match keywords with transformer equipment ID, obtain transformer parameter in EMS model and the AVC model respectively, updated portion in the EMS model is synchronized in the AVC model, simultaneously institute's attached device relevant portion in the AVC switch tool parameter is upgraded;
2), be match keywords with bus equipment ID, obtain EMS model and AVC model median generatrix parameter respectively, updated portion in the EMS model is synchronized in the AVC model, simultaneously institute's attached device relevant portion in the AVC switch tool parameter is upgraded;
3) be match keywords, with capacitor and reactor ID; Obtain capacitor and reactor parameter in EMS model and the AVC model respectively; Updated portion in the EMS model is synchronized in the AVC model, simultaneously institute's attached device relevant portion in the AVC switch tool parameter is upgraded;
4) be key word, with switch tool collection point ID; Obtain switch tool parameter in EMS model and the AVC model respectively; Updated portion in the EMS model is synchronized in the AVC model, and institute's attached device relevant portion upgrades in switch tool code section and the AVC switch tool parameter to relating in AVC capacitor/reactor parameter simultaneously;
5), be key word to measure collection point ID, obtain measurement parameters in EMS model and the AVC model respectively, updated portion among the EMS is synchronized in the AVC model, upgrade relating to the measurement code section in AVC transformer/bus/capacity reactance parameter simultaneously.
3. according to claim 1 or claim 2 the non-maintaining method of AVC system automatic modeling is characterized in that:
Annexation search through EMS forms AVC switch tool set Dn, and set Dn comprises a), arbitrary transformer Tx switch tool Dtb of process in the direct access path between arbitrary bus Bx in the Bn among the Tn; B), the switch tool set Dbb of arbitrary Bx process in the direct access path between the By among the set B n; C), arbitrary Cx Dtb of process in the direct access path between arbitrary Bx in the Bn among the set Cn; D), arbitrary Rx Dtb of process in the direct access path between arbitrary Bx in the Bn among the set Rn;
Direct access path wherein refers to connection from an equipment to another equipment without non-switch tool equipment, and annexation between the two only is made up of switch tool equipment.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115687305A (en) * | 2022-11-08 | 2023-02-03 | 力高(山东)新能源技术股份有限公司 | Energy storage power station AGC model importing and checking method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101272051A (en) * | 2008-05-06 | 2008-09-24 | 江苏省电力公司南京供电公司 | Information system integration method of electric network production control region and management information region |
| US20100094574A1 (en) * | 2008-10-10 | 2010-04-15 | Guangyu He | Method for state estimation based on the measured data of the data-acquisition system in power system |
| CN102184209A (en) * | 2011-04-29 | 2011-09-14 | 中国电力科学研究院 | Simulation data accessing method based on power grid CIM (Common Information Model) interface |
-
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- 2011-12-20 CN CN 201110427530 patent/CN102495936B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101272051A (en) * | 2008-05-06 | 2008-09-24 | 江苏省电力公司南京供电公司 | Information system integration method of electric network production control region and management information region |
| US20100094574A1 (en) * | 2008-10-10 | 2010-04-15 | Guangyu He | Method for state estimation based on the measured data of the data-acquisition system in power system |
| CN102184209A (en) * | 2011-04-29 | 2011-09-14 | 中国电力科学研究院 | Simulation data accessing method based on power grid CIM (Common Information Model) interface |
Non-Patent Citations (1)
| Title |
|---|
| 陆炜 等: "杭州电网AVC系统互联协调控制的实现", 《浙江电力》, 30 September 2010 (2010-09-30) * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115687305A (en) * | 2022-11-08 | 2023-02-03 | 力高(山东)新能源技术股份有限公司 | Energy storage power station AGC model importing and checking method |
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