CN112448474A - Intelligent substation primary and secondary state comparison intelligent inspection method and system - Google Patents
Intelligent substation primary and secondary state comparison intelligent inspection method and system Download PDFInfo
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- CN112448474A CN112448474A CN201910813578.1A CN201910813578A CN112448474A CN 112448474 A CN112448474 A CN 112448474A CN 201910813578 A CN201910813578 A CN 201910813578A CN 112448474 A CN112448474 A CN 112448474A
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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
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
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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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- 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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Abstract
The invention discloses a primary and secondary state comparison intelligent inspection method and system for an intelligent substation. Firstly, a secondary equipment state corresponding rule template library is defined by a system, and comprises primary equipment state corresponding reference state definitions and secondary equipment state device corresponding pressure plate reference state definitions; the system judges the current primary equipment state and the secondary equipment state according to the information sent by the device in real time, and sends out a primary and secondary state inconsistency alarm when the equipment states are inconsistent; the intelligent inspection is divided into two inspection modes, namely total-station inspection and interval inspection; modifying the rule template base corresponding to the primary and secondary equipment states to check the authority, sending an operation alarm and forming an effective modified operation log; saving the primary and secondary equipment states of the current section in a file format; and realizing the multi-section primary and secondary equipment state comparison. The invention can effectively find the error of the operation parameter of the relay protection device caused by manual misoperation or the problem of the relay protection device in time, monitor the normal operation of the relay protection and ensure the safe and stable operation of the power grid.
Description
Technical Field
The invention belongs to the field of power system automation, and particularly relates to a primary and secondary state comparison intelligent patrol method and system for an intelligent substation.
Background
The relay protection equipment is important equipment for ensuring safe and stable operation of a power grid and is a first line of defense of a power system. The running state of the relay protection primary and secondary equipment and the like are used as important parameters in relay protection logic judgment and safe running, so that the correctness of protection actions is determined, the protection performance is influenced, and an important basis is provided for the safe running state of a power grid. With the continuous expansion of the scale of the power grid and the continuous increase of power grid transformation projects, the operation of power grid equipment is more and more frequent, so that the operation mode of the power grid is frequently changed. When the power grid mode changes, the operation mode of the relay protection equipment needs to be synchronously adjusted, including parameters such as a soft pressing plate of the protection equipment, and if an operator does not adjust the operation mode of the relay protection equipment according to the operation rule requirement, the operation mode of the relay protection equipment may not meet the requirement of the power grid operation, so that the possibility of protection misoperation or operation rejection exists, and further, serious accidents of the power grid may be caused.
Disclosure of Invention
The invention aims to provide an intelligent substation primary and secondary state comparison intelligent patrol method and system, which are used for solving the problems that operation states of primary and secondary equipment of a substation are inconsistent due to incorrect operation of field protection operators and operation such as program upgrading of a relay protection device, so that the relay protection device cannot meet the requirement of power grid operation, and potential safety hazards exist in the power grid operation.
In order to achieve the purpose, the invention adopts the technical scheme that:
a primary and secondary state comparison intelligent inspection method for an intelligent substation comprises the following steps:
step 1, defining operation states of various primary intervals according to different primary main wiring modes by taking a primary equipment interval of a transformer substation as a unit, and comprising the following steps of: the method comprises the following steps of (1) line interval state, bus interval state, main transformer interval state and bus coupling interval state;
step 2, defining the operation state of primary equipment according to each type interval, and defining the position states of a switch, an isolation switch and a grounding switch in the state;
according to the various types of interval states, defining the operation state of the secondary equipment, and defining a secondary pressure plate state set under the operation state of the secondary equipment;
step 3, establishing a secondary equipment state corresponding rule template base, and storing the template base in a real-time database;
step 4, automatically determining the state of the primary equipment according to the automatically acquired position states of the switch, the isolation switch and the grounding switch, and determining the state of the corresponding secondary equipment and the state of the secondary pressing plate according to the corresponding relation in the corresponding rule template library;
step 5, storing the state of the secondary pressing plate acquired in real time into a system real-time library, and comparing the state with the state of the secondary pressing plate acquired according to the corresponding relation in the step 4;
and 6, performing patrol according to a set patrol mode, if the comparison result in the step 5 is inconsistent, determining that the checking result of the operation states of the primary and secondary equipment is inconsistent, and sending a corresponding alarm through an alarm service.
Further, the method further comprises: and 7, storing the primary and secondary equipment states of the current section in a file format, and comparing the primary and secondary equipment states of multiple sections.
Further, in step 3, the method for setting the rule template library corresponding to the primary and secondary device states includes: and receiving a secondary equipment state corresponding rule through a human-computer interface, and storing the rule into a real-time database.
Furthermore, in step 3, setting and modifying the rule template library corresponding to the primary and secondary device states requires permission verification, and a modification operation log is formed.
Further, the step 6 includes reflecting the detailed abnormal information that the states of the primary and secondary devices of the current inspection object are inconsistent in real time on a primary and secondary device state monitoring interface while sending the corresponding alarm.
Further, in step 6, the patrol mode includes a total station patrol mode and an interval patrol mode.
Further, the method further comprises the step 8 of: and generating a patrol report according to the patrol content.
Further, the patrol report in the step 8 is in an xml format.
The invention also provides an intelligent substation primary and secondary state comparison inspection system, which comprises an SCADA system, a template library setting module, an inspection service module and an alarm module, wherein the SCADA system comprises:
the template library setting module is used for establishing and modifying a primary and secondary equipment state corresponding rule template library and storing the template library in a real-time database;
the patrol service module is used for circularly executing the following services: according to the inspection mode selected by the system, automatically determining the state of primary equipment for each plant station or interval object in the SCADA system according to the position states of the automatically acquired switch, isolation switch and grounding switch, determining the corresponding state of secondary equipment according to the corresponding relation of the primary and secondary equipment states in the corresponding rule template library, obtaining the corresponding state of the secondary pressing plate, storing the obtained state of the secondary pressing plate in the real-time library of the system, and comparing the obtained state of the secondary pressing plate with the corresponding state of the secondary pressing plate;
and the alarm module is used for receiving the comparison result of the patrol service module, judging that the operation state check result of the primary and secondary equipment is inconsistent if the comparison result is inconsistent, and sending a corresponding alarm through the alarm service.
Furthermore, the inspection system also comprises an authority verification module which is used for verifying the authority of the operation user when the rule template base corresponding to the primary and secondary equipment states is established and modified.
Further, the alarm module is used for reflecting detailed abnormal information that the states of the primary and secondary equipment of the current inspection object are inconsistent on a primary and secondary equipment state monitoring interface in real time while sending out the corresponding alarm.
Furthermore, in the patrol service module, patrol modes include a total station patrol mode and an interval patrol mode.
Further, the patrol system further comprises a report generation module, which is used for generating patrol reports according to patrol contents.
Furthermore, the inspection system further comprises a state comparison module, which is used for storing the state of the primary and secondary equipment of the current section in a file format and performing multi-section primary and secondary equipment state comparison.
Compared with the prior art, the invention has the beneficial effects that:
by adopting the method and the system, the system can automatically check whether the operation states of the primary and secondary equipment of the intelligent substation are consistent or not by setting the rule template base corresponding to the states of the primary and secondary equipment, meet the requirements of the operation mode of the power grid, prevent the protection from being mistakenly operated or refused to be operated due to the inconsistency of the operation states of the primary and secondary equipment possibly caused by misoperation of operators and device program upgrading, generate a patrol report in an xml format according to the content of patrol and ensure the safe and stable operation of the power grid.
Drawings
Fig. 1 is a schematic structural diagram of a primary-secondary state comparison intelligent inspection method for an intelligent substation.
Detailed Description
The invention is further described with reference to the accompanying drawings.
The specific embodiment of the intelligent substation primary and secondary state comparison intelligent patrol method provided by the invention comprises the following steps:
step 1, defining operation states of various primary intervals according to different primary main wiring modes by taking a primary equipment interval of a transformer substation as a unit, and comprising the following steps of: line interval state, bus interval state, main transformer interval state, bus coupling interval state.
Step 2, defining the operation state of primary equipment according to each type interval, and defining the position states of a switch, an isolation switch and a grounding switch in the state;
and according to the interval states of various types, defining the running state of the secondary equipment and defining a secondary pressure plate state set under the running state of the secondary equipment.
And 3, establishing a secondary equipment state corresponding rule template base, and storing the template base in a real-time database. The specific method for setting the rule template base corresponding to the primary equipment state and the secondary equipment state is as follows: and receiving a secondary equipment state corresponding rule through a human-computer interface, and storing the rule into a real-time database.
And 4, automatically determining the state of the primary equipment according to the automatically acquired position states of the switch, the isolation switch and the grounding switch, and determining the state of the corresponding secondary equipment and the state of the secondary pressing plate according to the corresponding relation in the corresponding rule template library.
And 5, storing the state of the secondary pressing plate acquired in real time into a system real-time library, and comparing the state with the state of the secondary pressing plate acquired according to the corresponding relation in the step 4.
And 6, performing patrol according to a set patrol mode, if the comparison result in the step 5 is inconsistent, determining that the checking result of the operation states of the primary and secondary equipment is inconsistent, and sending a corresponding alarm through an alarm service. The patrol mode comprises a total station patrol mode and an interval patrol mode.
A preferred embodiment, on the basis of embodiment 1, further includes: and 7, storing the primary and secondary equipment states of the current section in a file format, and comparing the primary and secondary equipment states of multiple sections.
In a preferred embodiment, on the basis of embodiment 1, in step 3, the setting and modifying of the rule template library corresponding to the primary and secondary device states requires performing authority verification, and a modified operation log is formed.
A preferred embodiment is that, on the basis of embodiment 1, the step 6 further includes reflecting, on a primary and secondary device status monitoring interface, detailed abnormal information that the primary and secondary device statuses of the current patrol object are inconsistent in real time while issuing the corresponding alarm.
A preferred embodiment, on the basis of embodiment 1, further includes: and 8, generating a patrol report according to patrol contents. The tour report may be in an xml format.
Fig. 1 is another embodiment of the intelligent substation primary and secondary state comparison intelligent patrol method according to the present invention, which includes the following steps:
step 1, defining operation states of various primary intervals according to different primary main wiring modes by taking a primary equipment interval of a transformer substation as a unit, and comprising the following steps of: line interval state, bus interval state, main transformer interval state, bus coupling interval state.
Step 2, defining the operation state of primary equipment according to each type interval, and defining the position states of a switch, an isolation switch and a grounding switch in the state;
and according to the interval states of various types, defining the running state of the secondary equipment and defining a secondary pressure plate state set under the running state of the secondary equipment.
And 3, receiving a secondary equipment state corresponding rule through a human-computer interface, establishing a secondary equipment state corresponding rule template base, and storing the secondary equipment state corresponding rule template base in a scontrol real-time database of the SCADA system.
And 4, the SCADA system automatically acquires the position states of the switch, the isolation switch and the grounding switch through the front-end interface, automatically determines the state of the primary equipment, and determines the state of the corresponding secondary equipment and the state of the secondary pressing plate according to the corresponding relation in the corresponding rule template library.
And 5, storing the state of the secondary pressing plate acquired by the SCADA system in real time through the front interface into a scadamdl real-time library, and comparing the state with the state of the secondary pressing plate acquired according to the corresponding relation in the step 4.
And 6, patrolling the intelligent patrolling service process according to a set patrolling mode, if the comparison result is inconsistent, judging that the checking result of the primary and secondary equipment running states is inconsistent, sending a corresponding alarm through the alarm service, and reflecting detailed abnormal information of inconsistent primary and secondary equipment states of the current system on a primary and secondary equipment state monitoring interface in real time.
The embodiment of the intelligent patrol system for comparing the primary state and the secondary state of the intelligent substation comprises an SCADA system, a template library setting module, a permission verification module, a patrol service module and an alarm module, wherein:
the template library setting module is used for establishing and modifying a primary and secondary equipment state corresponding rule template library and storing the template library in a system real-time library;
the authority verification module is used for verifying the authority of the operation user when the rule template base corresponding to the primary and secondary equipment states is established and modified;
the patrol service module is used for circularly executing the following services: according to the inspection mode selected by the system, automatically determining the state of primary equipment for each plant station or interval object in the SCADA system according to the position states of a switch, an isolation switch and a grounding switch which are automatically acquired in a preposed mode, determining the corresponding secondary equipment handling state according to the corresponding relation of the primary and secondary equipment states in a rule template library, obtaining the secondary pressing plate handling state, storing the secondary pressing plate state acquired by a preposed interface in real time in a system real-time library, and comparing the secondary pressing plate handling state with the secondary pressing plate handling state;
and the alarm module is used for receiving the comparison result of the patrol service module, judging that the operation state check result of the primary and secondary equipment is inconsistent if the comparison result is inconsistent, and sending a corresponding alarm through the alarm service. .
In another embodiment of the present invention, detailed abnormal information indicating inconsistency of the primary and secondary device statuses of the current inspection target is also reflected in real time on a primary and secondary device status monitoring interface.
In another specific embodiment of the present invention, the system further includes a report generation module, configured to generate a patrol report from patrol contents.
In another embodiment of the present invention, the apparatus further includes a state comparison module, configured to save a secondary device state of the current cross section in a file format, and perform a multi-cross-section secondary device state comparison.
The invention has the innovation points that a primary and secondary equipment state corresponding rule template base is set and stored in a scontrol real-time base of an SCADA system, the position states of a primary equipment device switch, an isolation switch and a grounding switch which are automatically loaded on the SCADA system and a secondary pressing plate state set of a secondary equipment protection device are checked to determine whether the operation states of the primary and secondary equipment are consistent, the requirement of a power grid operation mode is met, errors of operation parameters of a relay protection device caused by manual misoperation or the problems of the relay protection device can be effectively found in time, the normal operation of the relay protection is monitored, and the safe and stable operation of the power grid is ensured.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (14)
1. The intelligent substation primary and secondary state comparison intelligent patrol method is characterized by comprising the following steps:
step 1, defining operation states of various primary intervals according to different primary main wiring modes by taking a primary equipment interval of a transformer substation as a unit, and comprising the following steps of: the method comprises the following steps of (1) line interval state, bus interval state, main transformer interval state and bus coupling interval state;
step 2, defining the operation state of primary equipment according to each type interval, and defining the position states of a switch, an isolation switch and a grounding switch in the state;
according to the various types of interval states, defining the operation state of the secondary equipment, and defining a secondary pressure plate state set under the operation state of the secondary equipment;
step 3, establishing a secondary equipment state corresponding rule template base, and storing the template base in a real-time database;
step 4, automatically determining the state of the primary equipment according to the automatically acquired position states of the switch, the isolation switch and the grounding switch, and determining the state of the corresponding secondary equipment and the state of the secondary pressing plate according to the corresponding relation in the corresponding rule template library;
step 5, storing the state of the secondary pressing plate acquired in real time into a system real-time library, and comparing the state with the state of the secondary pressing plate acquired according to the corresponding relation in the step 4;
and 6, performing patrol according to a set patrol mode, if the comparison result in the step 5 is inconsistent, determining that the checking result of the operation states of the primary and secondary equipment is inconsistent, and sending a corresponding alarm through an alarm service.
2. The intelligent substation primary and secondary state comparison intelligent patrol method according to claim 1, further comprising:
and 7, storing the primary and secondary equipment states of the current section in a file format, and comparing the primary and secondary equipment states of multiple sections.
3. The intelligent substation primary and secondary state comparison intelligent patrol method according to claim 1, wherein in step 3, the method for setting the rule template base corresponding to the primary and secondary device states is as follows: and receiving a secondary equipment state corresponding rule through a human-computer interface, and storing the rule into a real-time database.
4. The intelligent substation primary and secondary state comparison inspection method according to claim 1, wherein in step 3, permission verification is required to be performed to set and modify a rule template base corresponding to the primary and secondary equipment states, and a modification operation log is formed.
5. The intelligent substation primary and secondary state comparison intelligent patrol method according to claim 1, wherein step 6 further comprises reflecting detailed abnormal information that the current patrol object primary and secondary device states are inconsistent on a primary and secondary device state monitoring interface in real time while sending a corresponding alarm.
6. The intelligent substation primary and secondary state comparison patrol method according to claim 1, wherein in step 6, the patrol modes include a total station patrol mode and an interval patrol mode.
7. The intelligent substation primary and secondary state comparison inspection method according to claim 1, further comprising the step 8: and generating a patrol report according to the patrol content.
8. The intelligent substation primary and secondary state comparison patrol method according to claim 7, wherein the patrol report in step 8 is in an xml format.
9. The utility model provides an intelligent substation primary and secondary state compares intelligent system of patrolling which characterized in that, sets up module, patrolling service module, alarm module including SCADA system, template storehouse, wherein:
the template library setting module is used for establishing and modifying a primary and secondary equipment state corresponding rule template library and storing the template library in a real-time database;
the patrol service module is used for circularly executing the following services: according to the inspection mode selected by the system, automatically determining the state of primary equipment for each plant station or interval object in the SCADA system according to the position states of the automatically acquired switch, isolation switch and grounding switch, determining the corresponding state of secondary equipment according to the corresponding relation of the primary and secondary equipment states in the corresponding rule template library, obtaining the corresponding state of the secondary pressing plate, storing the obtained state of the secondary pressing plate in the real-time library of the system, and comparing the obtained state of the secondary pressing plate with the corresponding state of the secondary pressing plate;
and the alarm module is used for receiving the comparison result of the patrol service module, judging that the operation state check result of the primary and secondary equipment is inconsistent if the comparison result is inconsistent, and sending a corresponding alarm through the alarm service.
10. The intelligent substation primary and secondary state comparison patrol system according to claim 9, further comprising an authority verification module for performing authority verification on an operating user when the primary and secondary state correspondence rule template library is established and modified.
11. The intelligent substation primary and secondary state comparison inspection system according to claim 9, wherein the alarm module sends out a corresponding alarm and also reflects detailed abnormal information that the current inspection object primary and secondary equipment states are inconsistent on a primary and secondary equipment state monitoring interface in real time.
12. The intelligent substation primary and secondary state comparison patrol system according to claim 9, wherein in the patrol service module, patrol modes include a total station patrol mode and an interval patrol mode.
13. The intelligent substation primary and secondary state comparison patrol system according to claim 9, further comprising a report generation module for generating a patrol report from patrol contents.
14. The intelligent substation primary and secondary state comparison inspection system according to claim 9, further comprising a state comparison module for storing the state of the primary and secondary devices of the current section in a file format and performing multi-section primary and secondary device state comparison.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113254545A (en) * | 2021-05-21 | 2021-08-13 | 国网河北省电力有限公司邯郸供电分公司 | Method for checking state of pressing plate of secondary equipment of intelligent substation |
| CN113937724A (en) * | 2021-09-15 | 2022-01-14 | 国网安徽省电力有限公司电力科学研究院 | Relay protection soft and hard clamp plate integrated online monitoring system |
| CN113972738A (en) * | 2021-10-18 | 2022-01-25 | 国网辽宁省电力有限公司丹东供电公司 | Power system relay protection operation anti-misoperation device and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110120704A (en) * | 2019-04-23 | 2019-08-13 | 国网浙江省电力有限公司绍兴供电公司 | A kind of one secondary device state acquisition system of intelligent substation |
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- 2019-08-30 CN CN201910813578.1A patent/CN112448474A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110120704A (en) * | 2019-04-23 | 2019-08-13 | 国网浙江省电力有限公司绍兴供电公司 | A kind of one secondary device state acquisition system of intelligent substation |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113254545A (en) * | 2021-05-21 | 2021-08-13 | 国网河北省电力有限公司邯郸供电分公司 | Method for checking state of pressing plate of secondary equipment of intelligent substation |
| CN113254545B (en) * | 2021-05-21 | 2023-02-03 | 国网河北省电力有限公司邯郸供电分公司 | Method for checking state of pressing plate of secondary equipment of intelligent substation |
| CN113937724A (en) * | 2021-09-15 | 2022-01-14 | 国网安徽省电力有限公司电力科学研究院 | Relay protection soft and hard clamp plate integrated online monitoring system |
| CN113972738A (en) * | 2021-10-18 | 2022-01-25 | 国网辽宁省电力有限公司丹东供电公司 | Power system relay protection operation anti-misoperation device and method |
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Application publication date: 20210305 |