CN110752670A - Intelligent substation relay protection intelligent inspection system and inspection method - Google Patents
Intelligent substation relay protection intelligent inspection system and inspection method Download PDFInfo
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- CN110752670A CN110752670A CN201911044550.2A CN201911044550A CN110752670A CN 110752670 A CN110752670 A CN 110752670A CN 201911044550 A CN201911044550 A CN 201911044550A CN 110752670 A CN110752670 A CN 110752670A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B3/00—Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/22—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices
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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
-
- 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
- Y04S10/20—Systems supporting electrical power generation, transmission or distribution using protection elements, arrangements or systems
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The invention discloses an intelligent substation relay protection intelligent inspection system and an inspection method, wherein the intelligent substation relay protection intelligent inspection system comprises a control host carrying the intelligent inspection system and monitoring hosts carrying the intelligent inspection system and arranged in each substation respectively, and the monitoring hosts are connected with each relay protection device of the substation respectively to form an SCD (substation configuration description) file of a state directory file of the relay protection devices; the control method comprises the steps that a monitoring host obtains a state directory of each relay protection device in each transformer substation by respectively importing an SCD file or an IP list of the relay protection device, the control host selects a target relay protection device to be detected of a specific transformer substation through an intelligent inspection system to detect, obtains state information of the relay protection device, and generates a detection report. The invention realizes the remote and efficient inspection work of the transformer substation.
Description
Technical Field
The invention relates to an intelligent substation relay protection intelligent inspection system and an inspection method, which are used in the field of intelligent inspection of substations.
Background
With the rapid development of the smart power grid, research aiming at various fields of intelligent substation construction is also actively promoted. However, in the routing inspection work of the relay protection device, the current routing inspection method in most places still uses the method of the traditional transformer substation, on-site checking and manual comparison are carried out, and routing inspection items such as the fixed value, the pressing plate and the alternating current quantity of the relay protection device in the intelligent transformer substation are increased in geometric progression compared with the traditional transformer substation, so that the problems of insufficient human hands, low efficiency, poor accuracy and the like generally exist at present. Therefore, how to research a set of economic, efficient, safe and reliable intelligent substation inspection system to assist the substation operation management department in carrying out substation operation maintenance work according to the technology and operation characteristics of the intelligent substation becomes a preoccupation in the development of the current intelligent substation.
For a traditional transformer substation, due to the diversity of power communication protocols and the limitation of functions, a set of automatic inspection system which is completely compatible with all relay protection devices is difficult to develop. For the intelligent substation, because the station control layer devices adopt MMS communication in a unified way, particularly the advancement of national network six unification, the information description of the protection devices of all voltage levels and the provided service are unified and standardized, and thus, the operability is provided for developing the system.
In China, due to the fact that the construction time of the intelligent substation is short, the method still continues the method of the traditional station for a plurality of modes in the production construction process of the intelligent substation from the conventional station of the 61850 protocol to the digital substation and only a few years later than the conventional intelligent substation. From the results of online search, more researches on a control and management platform of fixed values, soft pressing plates and analog quantities of an intelligent substation are concentrated on a dispatching side, and few researches on operation and maintenance inspection of a station end are conducted.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides an intelligent substation relay protection inspection system and an inspection method, develops a one-key type intelligent inspection system for inspecting a total station relay protection device, and can remotely and efficiently inspect each substation.
One technical scheme for achieving the above purpose is as follows: an intelligent substation relay protection intelligent inspection system comprises a control host carrying the intelligent inspection system and monitoring hosts which are respectively arranged at each substation and carry the intelligent inspection system;
for any monitoring host arranged in the transformer substation, the monitoring host is respectively connected with each relay protection device of the transformer substation, and collects information of the relay protection devices through an intelligent inspection system to form an inspection SCD file, wherein the SCD file is a state directory file of the relay protection devices;
each monitoring host is connected with the control host through a network respectively, a state directory of each relay protection device in each substation can be obtained by importing an SCD file or an IP list of each relay protection device of a target substation, and the control host selects a target relay protection device to be detected of a specific substation through an intelligent inspection system to detect, obtain state information of the relay protection device to be detected and generate a detection report;
the intelligent inspection system comprises a fixed value file, wherein the fixed value file is stored in any relay protection device corresponding to any transformer substation, and the intelligent inspection system determines whether the state of the relay protection device is abnormal or not by comparing a detection report with the fixed value file, so that a final inspection report is generated and stored on a hard disk of a control host.
Further, the state information includes relay protection device parameters, relay protection device soft pressing plate states, relay protection device traffic flow and relay protection device event logs.
The intelligent substation relay protection intelligent inspection method adopting the intelligent substation relay protection intelligent inspection system has the function of performing inspection on a specific substation, and comprises the following steps of:
step 1, acquiring a state directory file of a specific substation relay protection device;
step 2, selecting a relay protection device to be detected;
step 3, selecting a fixed value file according to the selected relay protection device to be detected;
step 4, the monitoring host is remotely controlled through the control host to start a first relay protection device detection program;
step 5, comparing the detection result with a fixed value file;
step 6, repeating the steps 4 and 5 until all selected relay protection devices needing to be detected complete detection;
and 7, generating a polling report and storing the polling report on a hard disk of the control host.
Further, step 1 comprises the following steps:
step 1.1, importing a specific substation SCD file;
step 1.2, if the specific substation SCD file is failed to be imported, or the specific substation SCD file is not available, or the specific substation SCD file is too large and the importing is too slow, importing the specific substation relay protection device ip list.
Further, the content detected by the detection program in the step 4 includes relay protection device parameters, relay protection device soft pressing plate states, relay protection device traffic volume and relay protection device event logs.
The invention can realize remote control to carry out polling work on all protection devices in the transformer substation in one time point, the configuration information of all protection devices in the whole substation is obtained by importing the SCD file of the transformer substation, and then the devices are scanned one by one, the polling work of the devices is automatically completed, and the polling report is generated.
Detailed Description
In order to better understand the technical solution of the present invention, the following detailed description is made by specific examples:
the invention discloses an intelligent substation relay protection intelligent inspection system which comprises a control host carrying the intelligent inspection system and monitoring hosts which are respectively arranged at all substations and carry the intelligent inspection system.
The intelligent inspection system comprises a monitoring host, a plurality of intelligent inspection systems and a plurality of intelligent inspection devices, wherein the monitoring host is arranged in a transformer substation, is respectively connected with each relay protection device of the transformer substation, and collects information of the relay protection devices through the intelligent inspection system to form an inspection SCD file, and the SCD file is a state directory file of the relay protection devices.
Each monitoring host is connected with the control host through a network, and the state directory of each relay protection device in each transformer substation can be obtained by importing SCD files or IP lists of each relay protection device in a target transformer substation.
In practical application of the system, the system lists substations and devices imported through a substation SCD file, the substations and the devices comprise two levels of nodes, wherein the first level of nodes are substation nodes, the names of the substations are displayed, and the numbers in the suffix square brackets indicate the number of the devices contained in the substations; the secondary node is a device node and displays the name of the device IED. Whenever a particular device is selected, the system displays the detection data area and displays the relevant data information of the selected node. When the first-level node is selected, displaying all device information tables of the transformer substation; when the secondary node is selected, a detection data information table of the device is displayed, wherein the detection data information table comprises 4 pages of device parameters, fixed values, soft pressing plates, traffic flow and logs.
The control host selects a target to-be-detected relay protection device of a specific transformer substation through the intelligent inspection system to detect, acquires state information of the relay protection device, and generates a detection report.
The intelligent inspection system comprises a fixed value file, wherein the fixed value file is stored in any relay protection device corresponding to any transformer substation, and the intelligent inspection system determines whether the state of the relay protection device is abnormal or not by comparing a detection report with the fixed value file, so that a final inspection report is generated and stored on a hard disk of a control host.
The intelligent routing inspection method for the relay protection of the intelligent substation, which adopts the intelligent routing inspection system for the relay protection of the intelligent substation, has the function position of routing inspection to a specific substation, and comprises the following steps:
step 1, obtaining a state directory file of a specific substation relay protection device. The method comprises the following steps:
step 1.1, importing the SCD file of the specific transformer substation. And after clicking a button of 'import SCD file', popping up an import SCD file window by the system, selecting an SCD file to be imported, clicking an 'open' button, automatically reading device information from the file by the system, and adding nodes of the transformer substation and all devices thereof in a device list area at the left part of the main interface. For simple operation, the SCD file name is directly used by the substation node name, so that the identification and the distinguishing are convenient.
Step 1.2, if the specific substation SCD file is failed to be imported, or the specific substation SCD file is not available, or the specific substation SCD file is too large and the importing is too slow, importing the specific substation relay protection device ip list. Clicking a button of importing the device IP list, and selecting the IP list file edited in advance to obtain parameters such as a station name, an IED name, a device IP and the like.
The transformer substations which do not need to be reserved on the main interface of the transformer substation relay protection intelligent inspection system can be deleted. And selecting the substation node to be deleted, clicking a right button, selecting 'delete', automatically popping up a confirmation prompt box by the system, and automatically removing the substation node and all subordinate device nodes in the device list area by the system after the confirmation.
And 2, selecting a relay protection device to be detected. After the SCD file is imported, the system automatically sets and selects all devices for detection, simultaneously all unselected value lists are modeled, and a user can automatically set only part of the devices to be detected or part of the devices to be generated to generate standard value lists. The substation node is selected in the device list zone.
In order to facilitate popularization and use, the system is provided with a function of generating the device constant value list. The following rules are followed during the use of the standard fixed value sheet:
(1) the standard fixed value sheet is a word document.
(2) The standard constant value list can be automatically generated by the system, and the generation method comprises the following steps: according to the selected device for generating the standard fixed value list, the standard fixed value list can be generated by pressing a start detection button, and the generation path is in a BZDZDZDoc \ station \ folder (station is the name of the station) under the root directory of the control host.
(3) The user's constant value unit can be manually converted with reference to a standard constant value unit.
(4) After the standard fixed value list is generated, the standard fixed value list needs to be manually copied into a DZDoc/station/folder (station is a station name) under a root directory of the control host before detection.
And 3, selecting a fixed value file according to the selected relay protection device to be detected. Before detection, a fixed value file is prepared so as to carry out fixed value comparison during detection. The rating file should comply with the following specifications:
(1) the constant value file is a Word document.
(2) Each device corresponds to a fixed-value file named IED name of the device suffixed ". Doc". For example, the IED name of a device is PRS-753A, then the fixed value file should be named PRS-753A.
(3) The fixed value file is stored in a transformer station name directory under a DZDoc file directory under a control host working directory. The substation name is the main name of the imported SCD file. For example, if the name of the imported SCD file is hf220jxb. SCD, the name of the substation is hf220jxb, so the directory in which the fixed value file is stored should be the DZDoc \ hf220jxb \ directory in the system working directory.
When the system detects the device, if the corresponding fixed value file is not found or the format content of the fixed value file is not consistent, only the current fixed value and the state of the soft pressing plate can be obtained, and the fixed value comparison cannot be carried out.
And 4, remotely controlling the monitoring host by the control host to start a first relay protection device detection program. The system detects each device in turn, if the device is not checked, the device is ignored, otherwise, the detection is carried out according to the following steps:
4.1 Start of detection
4.2 devices in which connectivity is detected
4.3 detecting device parameter, fixed value and soft pressing plate
4.4 detecting AC quantities
4.5 detecting event Log
4.6 generating a test report
And 5, comparing the detection report with the fixed value file.
And 6, repeating the steps 4 and 5 until all selected relay protection devices required to be detected complete detection. In the detection process, the detection information area displays the proceeding and result information of each link and step in the detection
If the detection is suspended, the 'suspension detection' can be clicked, and the system suspends the detection work after the current item detection of the current device is finished. And if the detection is required to be continued, the detection process can be recovered by clicking the 'starting detection'. If the detection is required to be stopped, the system can click to stop the detection after the current item detection of the current device is finished.
And 7, generating a polling report and storing the polling report on a hard disk of the control host. After the transformer substation is detected, a routing inspection report of the Word document can be generated. And selecting a substation node to generate a report, clicking 'generating an inspection report', designating a directory for storing a report file in a popped dialog box, and clicking a 'storing' button to start the system to generate the inspection report. Each device which is detected to be finished generates a Word document individually, is named by the IED name of the device with suffix ". Doc", and is stored in a specified file directory. The patrol report records any deviations from the fixed value file.
It should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as a limitation of the present invention, and that changes and modifications to the above described embodiments are within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.
Claims (5)
1. The utility model provides an intelligent substation relay protection intelligence system of patrolling and examining, includes the main control system who carries on the intelligence system of patrolling and examining and establishes the main monitoring system who carries on the intelligence system of patrolling and examining at each transformer substation separately, its characterized in that:
for any monitoring host arranged in the transformer substation, the monitoring host is respectively connected with each relay protection device of the transformer substation, and collects information of the relay protection devices through an intelligent inspection system to form an inspection SCD file, wherein the SCD file is a state directory file of the relay protection devices;
each monitoring host is connected with the control host through a network respectively, a state directory of each relay protection device in each substation can be obtained by importing an SCD file or an IP list of each relay protection device of a target substation, and the control host selects a target relay protection device to be detected of a specific substation through an intelligent inspection system to detect, obtain state information of the relay protection device to be detected and generate a detection report;
the intelligent inspection system comprises a fixed value file, wherein the fixed value file is stored in any relay protection device corresponding to any transformer substation, and the intelligent inspection system determines whether the state of the relay protection device is abnormal or not by comparing a detection report with the fixed value file, so that a final inspection report is generated and stored on a hard disk of a control host.
2. The intelligent substation relay protection intelligent inspection system according to claim 1, wherein the state information includes relay protection device parameters, relay protection device soft pressing plate states, relay protection device traffic volumes and relay protection device event logs.
3. The intelligent substation relay protection intelligent inspection method adopting the intelligent substation relay protection intelligent inspection system has the function of inspecting a specific substation, and is characterized by comprising the following steps of:
step 1, acquiring a state directory file of a specific substation relay protection device;
step 2, selecting a relay protection device to be detected;
step 3, selecting a fixed value file according to the selected relay protection device to be detected;
step 4, the monitoring host is remotely controlled through the control host to start a first relay protection device detection program;
step 5, comparing the detection result with a fixed value file;
step 6, repeating the steps 4 and 5 until all selected relay protection devices needing to be detected complete detection;
and 7, generating a polling report and storing the polling report on a hard disk of the control host.
4. The intelligent routing inspection method for the relay protection of the intelligent substation according to claim 3, wherein the step 1 comprises the following steps:
step 1.1, importing a specific substation SCD file;
step 1.2, if the specific substation SCD file is failed to be imported, or the specific substation SCD file is not available, or the specific substation SCD file is too large and the importing is too slow, importing the specific substation relay protection device ip list.
5. The intelligent routing inspection method for the relay protection of the intelligent substation according to claim 3, wherein the content detected by the detection program in the step 4 comprises relay protection device parameters, relay protection device soft pressing plate states, relay protection device traffic volumes and relay protection device event logs.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911044550.2A CN110752670A (en) | 2019-10-30 | 2019-10-30 | Intelligent substation relay protection intelligent inspection system and inspection method |
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| CN201911044550.2A CN110752670A (en) | 2019-10-30 | 2019-10-30 | Intelligent substation relay protection intelligent inspection system and inspection method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111884338A (en) * | 2020-07-21 | 2020-11-03 | 国家电网有限公司 | Intelligent inspection system for relay protection of transformer substation |
| CN112165168A (en) * | 2020-09-29 | 2021-01-01 | 国网上海市电力公司 | Intelligent inspection method for relay protection of transformer substation |
| CN112464416A (en) * | 2020-11-13 | 2021-03-09 | 国网山东省电力公司青岛供电公司 | One-key type substation total station fixed value generation method and system |
| CN113009265A (en) * | 2021-03-18 | 2021-06-22 | 国网山西省电力公司晋城供电公司 | Relay protection equipment inspection method and device, storage medium and electronic equipment |
-
2019
- 2019-10-30 CN CN201911044550.2A patent/CN110752670A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111884338A (en) * | 2020-07-21 | 2020-11-03 | 国家电网有限公司 | Intelligent inspection system for relay protection of transformer substation |
| CN112165168A (en) * | 2020-09-29 | 2021-01-01 | 国网上海市电力公司 | Intelligent inspection method for relay protection of transformer substation |
| CN112464416A (en) * | 2020-11-13 | 2021-03-09 | 国网山东省电力公司青岛供电公司 | One-key type substation total station fixed value generation method and system |
| CN112464416B (en) * | 2020-11-13 | 2023-05-30 | 国网山东省电力公司青岛供电公司 | Method and system for generating all-station fixed value of one-key transformer substation |
| CN113009265A (en) * | 2021-03-18 | 2021-06-22 | 国网山西省电力公司晋城供电公司 | Relay protection equipment inspection method and device, storage medium and electronic equipment |
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