CN113972738A - Power system relay protection operation anti-misoperation device and method - Google Patents
Power system relay protection operation anti-misoperation device and method Download PDFInfo
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- CN113972738A CN113972738A CN202111207583.1A CN202111207583A CN113972738A CN 113972738 A CN113972738 A CN 113972738A CN 202111207583 A CN202111207583 A CN 202111207583A CN 113972738 A CN113972738 A CN 113972738A
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- 238000000034 method Methods 0.000 title claims description 13
- 238000012423 maintenance Methods 0.000 claims abstract description 42
- 230000010365 information processing Effects 0.000 claims abstract description 21
- 238000012545 processing Methods 0.000 claims abstract description 7
- 230000002265 prevention Effects 0.000 claims description 8
- 238000007689 inspection Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 238000004088 simulation Methods 0.000 claims description 3
- 238000004148 unit process Methods 0.000 claims description 3
- 230000009471 action Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000011017 operating method Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00001—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
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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
- H02H1/00—Details of emergency protective circuit arrangements
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/0092—Details of emergency protective circuit arrangements concerning the data processing means, e.g. expert systems, neural networks
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
- H02J13/00034—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving an electric power substation
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
- H02J13/00036—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving switches, relays or circuit breakers
- H02J13/0004—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving switches, relays or circuit breakers involved in a protection system
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Human Computer Interaction (AREA)
- Artificial Intelligence (AREA)
- Evolutionary Computation (AREA)
- Manufacturing & Machinery (AREA)
- Emergency Protection Circuit Devices (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The invention relates to a relay protection operation anti-misoperation device for a power system, which comprises a database, an information acquisition unit, an information processing unit and a command execution unit, wherein the database is used for storing a plurality of information; the information acquisition unit is used for collecting and inputting the operation information of the pressing plate of the relay protection device by field operation and maintenance personnel, the information processing unit is used for processing the information input by the information acquisition unit and transmitting the processed information to the command execution unit, the command execution unit compares and judges the information processed by the information processing unit with the standard operation information stored in the database, if the operation information is judged to be correct, the field operation and maintenance personnel execute the operation, if the operation information is judged to be wrong, the field operation and maintenance personnel stop operating; the problem of relay protection device have the mistake and throw the mistake and stop is solved.
Description
Technical Field
The invention belongs to the field of relay protection operation of a power system, and particularly relates to a relay protection operation anti-misoperation device and method for the power system.
Background
The automatic relay protection device for power grid is an important element for detecting fault or abnormal condition in power system, so as to give out alarm signal or directly isolating and removing fault portion. In the rapid development of economy, the load of a power grid continuously climbs, and the continuous updating and upgrading of power grid equipment, the relay protection is also rapidly upgraded. In recent years, a phenomenon of heavy load loss of a power grid device due to manual switching and stopping errors of a relay protection device, misoperation or refusal action of the protection device sometimes occurs. Therefore, it is increasingly important to ensure that field operation and maintenance personnel are skilled in mastering the application of the relay protection and ensure the correct action of the relay protection device.
At present, when the relay protection is put into operation or the operation state is changed, a power grid dispatcher issues an instruction to a field operation and maintenance worker, and the field operation and maintenance worker puts a pressing plate of the relay protection device into operation or changes the operation mode according to the specified requirements of the field protection operation. The power grid dispatching personnel are responsible for the correctness of the instructions, and the field operation and maintenance personnel execute the dispatching instructions according to the instruction content and the field operation regulation. In the case of the situation that the relay protection devices of different transformer substations and different manufacturers in various voltage classes and the relay protection devices of different types are inconsistent, accidents that the relay protection device is mixed in the process of starting and stopping the pressing plate and the scheduling instruction is executed is not easy to happen no matter the operation and maintenance personnel with abundant experience or the workers with short working time.
Disclosure of Invention
The invention provides a relay protection operation error prevention device for a power system, aiming at the problems in the prior art, and solving the problem that the relay protection device in the prior art has error switching and error stopping.
The invention also aims to provide a power system relay protection operation anti-misoperation method.
The invention is realized by the following technical scheme:
a power system relay protection operation anti-misoperation device comprises a database, an information acquisition unit, an information processing unit and a command execution unit;
the information acquisition unit is used for collecting and inputting the operation information of the pressing plate of the relay protection device by field operation and maintenance personnel, the information processing unit is used for processing the information input by the information acquisition unit and transmitting the processed information to the command execution unit, the command execution unit compares and judges the information processed by the information processing unit with the standard operation information stored in the database, if the operation information is judged to be correct, the field operation and maintenance personnel execute the operation, if the operation information is judged to be wrong, the field operation and maintenance personnel stop operating.
And the database stores a substation protection catalog, relevant field operating procedures and regulations and pressing plate information of a field relay protection device, and is periodically maintained and updated.
The transformer substation protection catalog comprises main transformer differential protection, main transformer microcomputer protection, bus coupling protection, pilot protection, bus differential protection, line protection and spare power automatic switching devices; the relevant operation regulations and regulations on the site comprise power grid relay protection regulations, power grid dispatching operation regulations and substation site operation regulations.
The information acquisition unit is provided with a manual entry module, and operation and maintenance personnel finish acquisition and entry of the transformer substation protection catalog and relevant field operating rules and regulations through the manual entry module.
The information acquisition unit is provided with a picture information acquisition module, and operation and maintenance personnel finish acquisition and input of pressing plate information on the field relay protection screen through the picture information acquisition module.
The information processing unit has the information identification and processing functions and takes the information acquired by the information acquisition unit as analog information.
The command execution unit is provided with a logic programming module, the logic programming module checks a plurality of entry stop conditions before the operation of the pressing plate entry stop, the content of each item check is in an AND relationship, and the operation can be carried out after all the check items meet the conditions.
The command execution unit is provided with an operation prompting module, the operation prompting module meets the operation condition after the check item is verified, an operation allowing instruction is sent out, and operation and maintenance personnel on site can start to start the operation of the pressing plate.
The command execution unit is provided with an operation inspection module, and the operation inspection module compares the pictures of the pressing plate display screen before and after operation to inspect whether the operation is correct.
Furthermore, the invention is also provided with a keyword retrieval module, and field operation and maintenance personnel can query the protection type, the power grid operation regulation and the regulation in the database through the keyword retrieval module.
A power system relay protection operation anti-misoperation method comprises the following steps:
when the relay protection device sends out that the pressing plate is put into operation or changes the operation state, the field operation and maintenance personnel judge that the operation or the operation state of the fault line pressing plate is put into operation or changed, the operation information of the fault line pressing plate is input through the information acquisition unit, the information processing unit processes the pressing plate operation information input by the information acquisition unit and transmits the processed simulation information to the command execution unit, the command execution unit compares the received pressing plate operation information with the standard operation information stored in the database for judgment, if the operation information is judged to be correct, the field operation and maintenance personnel execute the operation, the operation information is judged to be wrong, and the field operation and maintenance personnel stop the operation;
and when the operation information is judged to be correct, after the operation is executed by the on-site operation and maintenance personnel, the image information of the operated pressing plate is recorded again through the image information acquisition module of the information acquisition unit, the information processing unit identifies and processes the recorded information, the processed information is sent to the command indication unit again to judge whether the pressing plate input mode meets the operation requirement or not, the operation is continued if the operation requirement is met, and otherwise, the initial step is returned.
Compared with the prior art, the invention has the following advantages and beneficial effects:
the invention relates to a relay protection operation error prevention device for a power system, which effectively reduces the potential safety hazard of accidents of protection error switching and error stopping caused by error-looking pressing plates during operation due to excessive pressing plates on a screen of a protection device and different device types when operation and maintenance operators operate on a relay protection device.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic diagram of the system of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Example 1
As shown in fig. 1, a relay protection operation error prevention device for an electric power system comprises a database, an information acquisition unit, an information processing unit and a command execution unit;
the information acquisition unit is used for collecting and inputting the operation information of the pressing plate of the relay protection device by field operation and maintenance personnel, the information processing unit is used for processing the information input by the information acquisition unit and transmitting the processed information to the command execution unit, the command execution unit compares and judges the information processed by the information processing unit with the standard operation information stored in the database, if the operation information is judged to be correct, the field operation and maintenance personnel execute the operation, if the operation information is judged to be wrong, the field operation and maintenance personnel stop operating.
And the database stores a substation protection catalog, relevant field operating procedures and regulations and pressing plate information of a field relay protection device, and is periodically maintained and updated.
The transformer substation protection catalog comprises main transformer differential protection, main transformer microcomputer protection, bus coupling protection, pilot protection, bus differential protection, line protection and spare power automatic switching devices; the relevant operation regulations and regulations on the site comprise power grid relay protection regulations, power grid dispatching operation regulations and substation site operation regulations.
The information acquisition unit is provided with a manual entry module, and operation and maintenance personnel finish acquisition and entry of the transformer substation protection catalog and relevant field operating rules and regulations through the manual entry module.
The information acquisition unit is provided with a picture information acquisition module, and operation and maintenance personnel finish acquisition and input of pressing plate information on the field relay protection screen through the picture information acquisition module.
The information processing unit has the information identification and processing functions and takes the information acquired by the information acquisition unit as analog information.
The command execution unit is provided with a logic programming module, the logic programming module checks a plurality of entry stop conditions before the operation of the pressing plate entry stop, the content of each item check is in an AND relationship, and the operation can be carried out after all the check items meet the conditions.
The command execution unit is provided with an operation prompting module, the operation prompting module meets the operation condition after the check item is verified, an operation allowing instruction is sent out, and operation and maintenance personnel on site can start to start the operation of the pressing plate.
The command execution unit is provided with an operation inspection module, and the operation inspection module compares the pictures of the pressing plate display screen before and after operation to inspect whether the operation is correct.
The power system relay protection operation anti-misoperation method comprises the following steps:
when the relay protection device sends out that the pressing plate is put into operation or changes the operation state, the field operation and maintenance personnel judge that the operation or the operation state of the fault line pressing plate is put into operation or changed, the operation information of the fault line pressing plate is input through the information acquisition unit, the information processing unit processes the pressing plate operation information input by the information acquisition unit and transmits the processed simulation information to the command execution unit, the command execution unit compares the received pressing plate operation information with the standard operation information stored in the database for judgment, if the operation information is judged to be correct, the field operation and maintenance personnel execute the operation, the operation information is judged to be wrong, and the field operation and maintenance personnel stop the operation;
when the operation information is judged to be correct, after the operation is executed by the on-site operation and maintenance personnel, the image information of the operated pressing plate is recorded again through the image information acquisition module of the information acquisition unit, the information processing unit identifies and processes the recorded information, the processed information is sent to the command indication unit again to judge whether the pressing plate input mode meets the operation requirement or not, the operation is continued if the operation requirement is met, otherwise, the operation is returned to the initial step, and the manual operation error is avoided.
Example 2
In this embodiment, on the basis of embodiment 1, a keyword retrieval module is further provided, and field operation and maintenance personnel can query the protection type, the power grid operation regulation and the regulations in the database through the keyword retrieval module, so that the time increased by looking up the material is reduced.
Example 3
In this embodiment, on the basis of embodiments 1 to 2, the hardware part of the apparatus includes 3 parts: the intelligent tablet, the tablet sheath and the touch screen assistor. The intelligent flat plate finishing device realizes the whole operation process; compared with the conventional sheath, the flat sheath is additionally provided with the finger stall on the back side, so that the operation is more convenient for operators, and the influence on the operation progress due to the falling of the device in the operation process is avoided; the touch screen assistor is used for clicking the operation of a touch screen, and an operator can finish the operation by using a single hand with the help of the assistor, so that the convenience of the operation is improved.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A power system relay protection operation anti-misoperation device is characterized by comprising a database, an information acquisition unit, an information processing unit and a command execution unit;
the information acquisition unit is used for collecting and inputting the operation information of the pressing plate of the relay protection device by field operation and maintenance personnel, the information processing unit is used for processing the information input by the information acquisition unit and transmitting the processed information to the command execution unit, the command execution unit compares and judges the information processed by the information processing unit with the standard operation information stored in the database, if the operation information is judged to be correct, the field operation and maintenance personnel execute the operation, if the operation information is judged to be wrong, the field operation and maintenance personnel stop operating.
2. The relay protection misoperation prevention device for the power system according to claim 1, wherein the database stores substation protection directories, field-related operating rules and regulations and pressing plate information of the field relay protection device, and is periodically maintained and updated.
3. The relay protection operation error preventing device of the power system according to claim 2, wherein the substation protection directory comprises a main transformer differential protection device, a main transformer microcomputer protection device, a bus coupler protection device, a pilot protection device, a bus differential protection device, a line protection device and a spare power automatic switching device; the relevant operation regulations and regulations on the site comprise power grid relay protection regulations, power grid dispatching operation regulations and substation site operation regulations.
4. The relay protection operation anti-misoperation device for the power system according to claim 1, wherein the information acquisition unit is provided with a manual entry module, and operation and maintenance personnel complete acquisition and entry of a transformer substation protection catalogue, relevant field operating rules and regulations through the manual entry module;
the information acquisition unit is provided with a picture information acquisition module, and operation and maintenance personnel finish acquisition and input of pressing plate information on the field relay protection screen through the picture information acquisition module.
5. The relay protection operation misoperation prevention device for the power system as claimed in claim 1, wherein the information processing unit has information identification and processing functions, and the information collected by the information collection unit is analog information.
6. The relay protection operation error preventing device of the power system as claimed in claim 1, wherein the command executing unit has a logic programming module, the logic programming module checks a plurality of switching conditions before the operation of switching the pressing plate, the content of each check is an and relationship, and the operation can be performed after all the check items satisfy the conditions.
7. The relay protection operation misoperation prevention device for the power system as claimed in claim 1, wherein the command execution unit comprises an operation prompting module, the operation prompting module meets the operation condition after the check item is verified, an operation permission instruction is issued, and the operation of the pressing plate can be started and stopped by on-site operation and maintenance personnel.
8. The relay protection operation misoperation prevention device for the power system as claimed in claim 1, wherein the command execution unit comprises an operation inspection module, and the operation inspection module compares the pictures of the pressing plate display screen before and after operation to inspect whether the operation is correct.
9. The relay protection operation misoperation prevention device for the power system as claimed in claim 1, wherein a keyword search module is further provided, and on-site operation and maintenance personnel can query protection types, power grid operation rules and regulations in a database through the keyword search module.
10. A power system relay protection operation anti-misoperation method is characterized by comprising the following steps:
when the relay protection device sends out that the pressing plate is put into operation or changes the operation state, the field operation and maintenance personnel judge that the operation or the operation state of the fault line pressing plate is put into operation or changed, the operation information of the fault line pressing plate is input through the information acquisition unit, the information processing unit processes the pressing plate operation information input by the information acquisition unit and transmits the processed simulation information to the command execution unit, the command execution unit compares the received pressing plate operation information with the standard operation information stored in the database for judgment, if the operation information is judged to be correct, the field operation and maintenance personnel execute the operation, the operation information is judged to be wrong, and the field operation and maintenance personnel stop the operation;
and when the operation information is judged to be correct, after the operation is executed by the on-site operation and maintenance personnel, the image information of the operated pressing plate is recorded again through the image information acquisition module of the information acquisition unit, the information processing unit identifies and processes the recorded information, the processed information is sent to the command indication unit again to judge whether the pressing plate input mode meets the operation requirement or not, the operation is continued if the operation requirement is met, and otherwise, the initial step is returned.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111207583.1A CN113972738A (en) | 2021-10-18 | 2021-10-18 | Power system relay protection operation anti-misoperation device and method |
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| CN202111207583.1A CN113972738A (en) | 2021-10-18 | 2021-10-18 | Power system relay protection operation anti-misoperation device and method |
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