CN104319891A - Overhaul and operation maintenance device and method for intelligent substation process layer - Google Patents
Overhaul and operation maintenance device and method for intelligent substation process layer Download PDFInfo
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- CN104319891A CN104319891A CN201410602516.3A CN201410602516A CN104319891A CN 104319891 A CN104319891 A CN 104319891A CN 201410602516 A CN201410602516 A CN 201410602516A CN 104319891 A CN104319891 A CN 104319891A
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/16—Electric power substations
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Abstract
The invention relates to an overhaul and operation maintenance device and method for an intelligent substation process layer. By means of the overhaul and operation maintenance device and method for the intelligent substation process layer, operation maintenance personnel can be automatically reminded to adjust other affected and related intelligent devices after the operation maintenance personnel modify related input and/or data sets in capability description files of intelligent equipment. The device comprises a signal input end, a signal output end, a processor and a terminal display device, and an SCD program file for reminding the operation maintenance personnel to detect or adjust the operation parameters of the related other devices affected by the modification after configuration files of the equipment are modified due to overhaul and operation maintenance is established in the processor. By means of the device and the method, after the operation maintenance personnel modify the related input and/or data sets, the operation maintenance personnel can quickly and accurately detect and adjust the corresponding affected and related other intelligent devices, the working efficiency of the operation maintenance personnel can be greatly improved, the rate of the detection neglect and the measurement neglect can be lowered to the maximum, and the safety operation of the intelligent equipment in a substation is ensured.
Description
Technical field
The present invention relates to a kind of intelligent grid maintenance O&M device and method, particularly one is based on (also known as the SCD program file) management and control of intelligent substation overall process modular transformer substation configuration file and for the O&M device and method of station level maintenance.
Background technology
Along with the development of intelligent power grid technology, in order to ensure reliability, the fail safe of operation of power networks, intelligent substation maintenance O&M becomes increasingly complex, and the protocol procedures of maintenance is also more and more important.
Transformer station secondary system is divided into station level, wall and process layer on function logic.Station level is made up of main frame, operator station, telemechanical communicator, protection fault massage substation and other various functional station; the contact interface run in station is provided; realize the functions such as management control interval layer, process layer devices; form entirely stand monitoring, administrative center, and communicate with remote monitoring/control centre.Wall by protecting, observing and controlling, metering, record ripple, some subsystems such as phasor measurement form, under station level and network failure situation, still can the monitoring function on the spot of complete independently bay device.Process layer is made up of instrument transformer, merge cells, intelligent terminal etc., completes the function relevant to primary equipment, comprises the collection of real time execution electric parameters, the monitoring of equipment running status, the execution etc. of control command.
Domestic and international at present intelligent substation station level maintenance O&M scheme to be had the following disadvantages:
1) because the electrical secondary system of intelligent substation is arranged in maintenance O&M process, attendant may reset the parameter of some equipment as the case may be, like this, also can there is larger change in secondary safety measure thereupon, and newly-increased setting not yet forms unified standard and carrys out specification, can have an impact to the relevant parameter of many relevant devices, so just need attendant to carry out point-to-point inspection, thus corresponding adjustment is made to the parameter be affected.This kind of mode workload is large, needs attendant to verify one by one the equipment in system, slightly neglects, easily cause higher test leakage loss, thus, increase the security risk of system cloud gray model.
2) usual, after association input (also known as Inputs) of smart machine capabilities description file (also known as ICD file) and/or data set (also known as DataSet) change, the running status of other smart machine associated with it also needs to do corresponding adjustment.If after operation maintenance personnel is modified to the association input in certain smart machine capabilities description file, data set, if do not adjust accordingly other smart machine be associated, the return path signal that these smart machines be associated then can be caused to receive is not corresponding, causes signal sequence chaotic.
Existing repair and maintenance flow process with scheme is: after modifying to the described data associated in input, data set, and need operation maintenance personnel to carry out again to a detection adjustment all information in full station, the method workload is large, and efficiency is low and loss is high.Namely, after changing certain association input and/or data set in prior art, other smart machine which intelligent configuration file be also specifically associated for carries out the automatic reminding function detecting, adjust.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind ofly after operation maintenance personnel is modified to the association input in smart machine capabilities description file and/or data set, can remind the maintenance O&M device and method for transformer station process layer that operation maintenance personnel to which affected other smart machine be associated adjusts automatically.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is:
Maintenance O&M device for transformer station process layer of the present invention, comprise signal input part, signal output part, processor and terminal display device, signal input part outer end is connected to the operation conditions signals collecting end of process layer devices, and its inner connects with terminal display device; Signal output part outer end is connected to described equipment and runs control end, its the inner is connected with terminal display device by processor, in described processor, establishment has because of after the maintenance configuration file of O&M to described equipment change, remind the SCD program file that operation maintenance personnel detects the miscellaneous equipment operational factor be associated had an impact because of this change or adjusts, this program file is as follows:
The information category of the prompting impact related in described SCD program file has several as follows: telemetry intelligence (TELINT) has change, remote signalling information has change, fault-signal has change, alarm signal has change, operating mode has change, device parameter has change, protection event has change in communication, protection remote signalling has change, protection pressing plate has change, protection record ripple has change, protection remote measurement has change, protection definite value has change.
Maintenance O&M method for transformer station process layer of the present invention, comprises the following steps:
1) carry out cyclic redundancy check for the smart machine of process layer and the configuration file layering of network, the SCD program file worked out is:
2) process layer dimension pipe personnel change the data set in the SCD program file of relevant smart machine and/or association input information as required;
3) SCD file of the SCD program file after change with right version is before compared by the configuration file of this smart machine automatically;
4), after, export the above-mentioned comparison result of this process layer in chart and figure mode by display terminal and point out the relative influence element involved by above-mentioned change signal;
5) propose heavily to Intelligent Maintenance maintenance process and schemes such as point, configuration databases for comparison result.
The information category that described relative influence element relates to has several as follows: telemetry intelligence (TELINT) has change, remote signalling information has change, fault-signal has change, alarm signal has change, operating mode has change, device parameter has change, protection event has change in communication, protection remote signalling has change, protection pressing plate has change, protection record ripple has change, protection remote measurement has change, protection definite value has change.
Compared with prior art, device of the present invention is in the processor of smart machine control circuit in the process layer of transformer station, establishment has because maintenance is after O&M changes described device configuration file, remind the SCD program file that operation maintenance personnel detects the miscellaneous equipment operational factor be associated had an impact because of this change or adjusts, this device reads in the SCD program file after multiple change, through contrasting with SCD program file before changing, amended content is exported by display terminal.The present invention can association input in certain the smart machine capabilities description file in the process layer of operation maintenance personnel to transformer station and/can after data set modifies, this operation maintenance personnel is made quick and precisely to carry out measuring and adjustation to affected other smart machine be associated accordingly, it can improve the operating efficiency of operation maintenance personnel greatly, undetected false pass rate is dropped to minimum, guarantee interior safe operation of intelligent device of standing.
The present invention can greatly reduce the workload of operation maintenance personnel, improves its operating efficiency, prevents undetected, improves fail safe.
Accompanying drawing explanation
Fig. 1 is transformer substation configuration file of the present invention (SCD) structure chart.
Fig. 2 is DataSet/FCDA structure chart of the present invention.
Fig. 3 is Inputs structure chart of the present invention.
Fig. 4 is station level of the present invention maintenance O&M process chart.
Fig. 5 is data set of the present invention change and prompting message corresponding diagram.
Embodiment
Transformer substation configuration file (also known as SCD program file) is all smart machines (also known as IED) of whole transformer station and the configuration file of network, desirable field conduct method is after SCD program file is determined, all smart machines of whole transformer station and the configuration of network all should be determined; But because existing intelligent station also imperfection, there is project implementation later stage or operation maintenance personnel when safeguarding at the scene, part smart machine operational factor and network of relation configuration are changed, therefore needs to manage SCD program file and control.
Main feature of the present invention is when dimension pipe personnel (refer to operation maintenance personnel and related management personnel, also known as user) change transformer station be correlated with the configuration file of smart machine time, can automatic-prompting verify out part and the content of change, and can according to change part, reminding user carries out interoperability experiment to the smart machine that is associated.
As shown in Figure 1, in order to record the change conditions of whole SCD program file, need to carry out cyclic redundancy check (abbreviation CRC check) to the layering of whole SCD program file;
Wherein,
SCD program file follows extend markup language (being called for short XML) grammer, outermost layer is <SCD></SCDGreatT .GreaT.GT, enumerate whole file, the cyclic redundancy check (CRC) code (being called for short CRC code) of this layer changes, and representing whole file has change;
<IED></IEDGreatT .GreaT.GT represents a smart machine, can comprise multiple IED in SCD, increases CRC code in IED label, then can locate is which smart machine has change;
By that analogy,
AccessPoint (accessing points) for IED node generates check code;
LDevice (logical device) for accessing points generates check code;
LLN0 (logical node 0) for accessing points generates check code;
DataSet (data set, outputing of device) for LLN0 generates check code;
INPUTS (related information of device) for LLN0 generates check code;
LN (device open into) for accessing points generates check code;
When check code once change, then represent that the content between <> and </> there occurs change.
What process layer maintenance O&M was mainly paid close attention to is the change of DataSet and Inputs, when the DataSet of certain smart machine changes, represent that the data set that this device sends has variation, needing this equipment of all receptions inside the Inputs set by searching in whole SCD file to open the device into data, notifying that the device be associated in this smart machine and Search Results is carried out interoperability experiment by user; And when the Inputs of certain smart machine changes, represent that the data of this equipment of input have variation, only need reminding user that this equipment and the equipment opened into end are done interoperability experiment, avoid entirely to do the way of interoperability experiment in station, thus reach minimizing maintenance workload, the object of increasing work efficiency.
As shown in Figure 2, the structure of whole DataSet and its subitem FCDA (functional restraint data attribute).DataSet represents data set, defines the title containing the functional restraint data in the intelligent electronic device of this data set or functional restraint data attribute in its subitem FCDA.
The composition of FCDA is described as follows:
IdInst presentation logic device sequence number;
InClass presentation logic node class;
InInst presentation logic node instance;
Prefix represents that InClass and InInst identifies the logical node prefix of DO (Data Object data class) together;
DoName represents the title of mark DO (Data Object data class);
Fc represents all properties selecting this functional restraint.
After element changes in FCDA, represent that the data that this device sends change, will the data receiver of data receiver be caused not corresponding, the problems such as data processing mistake.
As shown in Figure 3, display is the element property of Input/ExtRef.Wherein iedName represents the intelligent electronic device title of input, ldInst represents the logic device instance name of input, prefix presentation logic NODE PREFIX, lnClass presentation logic node class, lnInst represents the instance identification of this logical node example in intelligent electronic device under logical node class, doName represents the title of the mark DO in logical node, and daName represents the attribute of specifying input, and intAddr represents the home address of input binding.Input part defines the external signal of all inputs and the corresponding relation of its own signal, and the logic function that the logical node in smart machine needs the input of these signals to come self judges.IntAddr attribute is the part that this project emphasis checks, it once change, then represents that the input of the data source of this smart machine changes, thus affect all programmed logic functions using data source in this equipment.Therefore, any attribute change in input all needs reminding user to carry out corresponding interoperability experiment.
As shown in Figure 4, the handling process of the program is as follows:
First SCD program file to be detected is read in, verify the CRC code of whole file, if change, does not illustrate that whole file does not change, direct process ends, otherwise judge whether the CRC code of IED layer changes, if, do not represent it is that incoherent place is changed, here do not deal with and directly terminate, otherwise judge whether the CRC of AccessPoint layer has variation further, without then terminating, have, judge whether LDevice layer CRC has variation, without then terminating, have, judge whether LLN0 layer CRC has variation, without then terminating, have, continue to judge DataSet layer and Input layer CRC whether change, if all do not changed, terminate, two any one has change content, flow process reminding user in then according to Fig. 4 does corresponding interoperability experimental implementation.
According to standard " IEC61850 engineering relaying protection application model Q/GDW396-2009 "; data set contents under the node of the attribute for the AccessPoint in IED: name=S1 provides information as shown in Figure 4; thus, reminding user does the configuration of corresponding Update Table, to operations such as points.
As shown in Figure 5, SCD management and control automatic reminding function of the present invention is inputted by multiple SCD program file by input equipment (as the input block such as keyboard, board), and exported by display terminal after treatment and realize.Hardware involved by it also comprises conventional data wire, memory and multiple processor module.
The innovative point of this maintenance O&M have following some:
1) based on digital transformer substation, SCD program file management comparison function is used, for process layer and wall maintenance O&M are offered suggestions and remind;
2) when certain the smart machine capabilities description file (ICD file) in SCD program file certain data set (DataSet) with associate input (Input) change time, the present invention for changing content, can propose Intelligent Maintenance maintenance process for process layer and wall.
Claims (4)
1. the maintenance O&M device for transformer station process layer, comprise signal input part, signal output part, processor and terminal display device, signal input part outer end is connected to the operation conditions signals collecting end of process layer devices, and its inner connects with terminal display device; Signal output part outer end is connected to described equipment and runs control end, its the inner is connected with terminal display device by processor, it is characterized in that: in described processor, establishment has because of after the maintenance configuration file of O&M to described equipment change, remind the SCD program file that operation maintenance personnel detects the miscellaneous equipment operational factor be associated had an impact because of this change or adjusts, this program file is as follows:
。
2. the maintenance O&M device for transformer station process layer according to claim 1, is characterized in that: the information category of the prompting impact related in described SCD program file has several as follows: telemetry intelligence (TELINT) has change, remote signalling information has change, fault-signal has change, alarm signal has change, operating mode has change, device parameter has change, protection event has change in communication, protection remote signalling has change, protection pressing plate has change, protection record ripple has change, protection remote measurement has change, protection definite value has change.
3., for a maintenance O&M method for transformer station process layer, it is characterized in that: comprise the following steps:
1) carry out cyclic redundancy check for the smart machine of process layer and the configuration file layering of network, the SCD program file worked out is:
。
2) process layer dimension pipe personnel change the data set in the SCD program file of relevant smart machine and/or association input information as required;
3) SCD file of the SCD program file after change with right version is before compared by the configuration file of this smart machine automatically;
4), after, export the above-mentioned comparison result of this process layer in chart and figure mode by display terminal and point out the relative influence element involved by above-mentioned change signal;
5) propose heavily to Intelligent Maintenance maintenance process and schemes such as point, configuration databases for comparison result.
4. method according to claim 3, is characterized in that: the information category that described relative influence element relates to has several as follows: telemetry intelligence (TELINT) has change, remote signalling information has change, fault-signal has change, alarm signal has change, operating mode has change, device parameter has change, protection event has change in communication, protection remote signalling has change, protection pressing plate has change, protection record ripple has change, protection remote measurement has change, protection definite value has change.
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| CN105404269A (en) * | 2015-10-23 | 2016-03-16 | 江苏省电力公司南京供电公司 | Three-remote signal acceptance system of intelligent transformer station |
| CN106532930A (en) * | 2016-09-23 | 2017-03-22 | 清华大学 | Intelligent monitoring system of static synchronous compensator |
| CN108493906A (en) * | 2018-04-26 | 2018-09-04 | 许继集团有限公司 | Decentralized bus protection handset repair method and decentralized bus protection system |
| CN110929826A (en) * | 2019-12-27 | 2020-03-27 | 广东电网有限责任公司 | Two-dimensional code-based distribution network equipment information management platform and management method |
| CN111722714A (en) * | 2020-06-17 | 2020-09-29 | 贵州电网有限责任公司 | Digital substation metering operation inspection auxiliary method based on AR technology |
| CN113110958A (en) * | 2021-03-30 | 2021-07-13 | 宁波三星医疗电气股份有限公司 | Intelligent power terminal based system file verification method |
| CN113392988A (en) * | 2021-05-10 | 2021-09-14 | 贵州乌江水电开发有限责任公司乌江渡发电厂 | Maintenance file management method for paperless operation of hydraulic power plant |
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| CN108493906A (en) * | 2018-04-26 | 2018-09-04 | 许继集团有限公司 | Decentralized bus protection handset repair method and decentralized bus protection system |
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| CN113110958A (en) * | 2021-03-30 | 2021-07-13 | 宁波三星医疗电气股份有限公司 | Intelligent power terminal based system file verification method |
| CN113392988A (en) * | 2021-05-10 | 2021-09-14 | 贵州乌江水电开发有限责任公司乌江渡发电厂 | Maintenance file management method for paperless operation of hydraulic power plant |
| CN113392988B (en) * | 2021-05-10 | 2023-06-09 | 贵州乌江水电开发有限责任公司乌江渡发电厂 | Maintenance file management method for paperless operation of hydropower plant |
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