CN112837451A - Transformer substation maintenance isolation management and control method - Google Patents
Transformer substation maintenance isolation management and control method Download PDFInfo
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- CN112837451A CN112837451A CN202110012398.0A CN202110012398A CN112837451A CN 112837451 A CN112837451 A CN 112837451A CN 202110012398 A CN202110012398 A CN 202110012398A CN 112837451 A CN112837451 A CN 112837451A
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- 238000012423 maintenance Methods 0.000 title claims abstract description 82
- 238000002955 isolation Methods 0.000 title claims abstract description 61
- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000012544 monitoring process Methods 0.000 claims abstract description 50
- 238000012360 testing method Methods 0.000 claims abstract description 41
- 239000004744 fabric Substances 0.000 claims abstract description 17
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 claims abstract description 6
- 230000007123 defense Effects 0.000 claims description 13
- 230000008569 process Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008520 organization Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00571—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by interacting with a central unit
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/44—Program or device authentication
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/45—Structures or tools for the administration of authentication
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00896—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys specially adapted for particular uses
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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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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/2149—Restricted operating environment
-
- 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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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Security & Cryptography (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Software Systems (AREA)
- General Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Power Engineering (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
A transformer substation maintenance isolation management and control method comprises the following steps: controlling the operation authority of the background monitoring system, isolating the equipment to be overhauled, and forbidding the background monitoring system to carry out remote control operation on the isolated equipment; managing and controlling local operation authority, and performing cloth hanging anti-locking on the operation forbidden equipment to forbid the operation of the operation forbidden equipment; judging whether to carry out maintenance pre-test operation, if so, carrying out maintenance pre-test operation, and carrying out local or remote control test operation on the equipment to be maintained; if not, entering the next step; releasing local operation authority, and releasing the cloth protection lock of the cloth hanging anti-lock device; and releasing the operation authority of the background monitoring system and removing the isolation of the equipment to be overhauled. The invention controls the operation authority of the equipment to be overhauled to the overhauling personnel, and ensures that other personnel cannot carry out misoperation to electrify the overhauled equipment.
Description
Technical Field
The invention relates to the technical field of transformer substation maintenance, in particular to a transformer substation maintenance isolation management and control method.
Background
When overhauling the primary equipment of the transformer substation (power plant), the safety of the maintainers is ensured mainly by means of organization measures and technical measures, wherein the organization measures comprise: a work ticket system, a work permission system, a work monitoring system, a work interruption system, a transfer system and a termination system; the technical measures comprise the following steps: power failure, electricity test, grounding, hanging of the signboard and installation of the barrier.
However, practical experience in recent years shows that these measures cannot completely guarantee the safety of the maintainers, and serious risks and loopholes exist: 1. throughout the whole maintenance work period, including all equipment of the maintenance equipment, the operation right is always mastered by operators, and once the operators neglect, the power transmission to the maintenance equipment is possibly mistakenly caused, so that the safety of the maintenance personnel is endangered; 2. no mandatory measures are adopted to ensure the safety of the maintainers, and the measures are completely dependent on the responsibility and technical level of the maintainers; 3. when multiple groups are in cross operation, an effective management mode is not available, and the possibility of mistakenly transmitting power to the maintenance equipment exists.
Aiming at the current situations, on the basis of complying with the safety isolation measures of the existing maintenance work of a power grid enterprise, the system is designed by fully considering the same working equipment between an operator and a maintenance worker and between the maintenance worker and the maintenance worker (multi-shift group operation), but different working properties and the particularity of safety influence, and establishing mutual restriction relations between the maintenance worker and the operator and between the maintenance worker and the maintenance worker (multi-shift group operation) by adopting technical means, namely, the maintenance isolation management system ensures that the operation authority of the maintenance isolation equipment is always in the hands of the maintenance worker during the equipment maintenance. When the maintenance personnel do not return the operation right of the maintenance equipment, other personnel can not remotely control or operate the corresponding primary equipment on the spot.
Disclosure of Invention
The invention aims to provide a transformer substation maintenance isolation control method, which is used for controlling the operation authority of equipment to be maintained to maintenance personnel and ensuring that other personnel cannot operate by mistake to charge the maintained equipment.
In order to achieve the purpose, the invention adopts the following technical scheme:
a transformer substation maintenance isolation management and control method comprises the following steps:
controlling the operation authority of the background monitoring system, isolating the equipment to be overhauled, and forbidding the background monitoring system to carry out remote control operation on the isolated equipment;
managing and controlling local operation authority, and performing cloth hanging anti-locking on the operation forbidden equipment to forbid the operation of the operation forbidden equipment;
judging whether to carry out maintenance pre-test operation, if so, carrying out maintenance pre-test operation, and carrying out local or remote control test operation on the equipment to be maintained; if not, entering the next step;
releasing local operation authority, and releasing the cloth protection lock of the cloth hanging anti-lock device;
and releasing the operation authority of the background monitoring system and removing the isolation of the equipment to be overhauled.
Further, the step of managing and controlling the operation authority of the background monitoring system includes:
creating a maintenance isolation ticket;
selecting primary equipment needing isolation;
and the background monitoring system isolates the primary equipment according to the overhaul isolation ticket and forbids remote control operation on the isolated primary equipment.
Further, the step that the background monitoring system isolates the primary equipment according to the overhaul isolation ticket and forbids the isolated primary equipment to be remotely operated comprises the following steps:
the background monitoring system marks the isolated primary equipment;
in the remote control process, the background monitoring system judges whether the primary equipment is marked or not, and if so, remote control operation is prohibited.
Further, the management and control of the local operation authority carries out cloth hanging and lock prevention on the operation forbidden device, and the step of forbidding to operate the operation forbidden device comprises the following steps:
arranging a defense ticket under the overhaul key;
and hanging and placing the lock on the secondary equipment or the local handle which is forbidden to operate.
Further, the method also comprises the following steps:
and after the defense deployment is finished, the key is put back to the key base, and the background monitoring system reads back and records the defense deployed lockset information.
Further, the step of performing a maintenance pre-test operation and performing an on-site or remote test operation on the equipment to be maintained includes:
selecting pre-test equipment;
generating a pre-test task and a pre-test ticket;
downloading a pre-test ticket to an overhaul key;
read back the pre-test record.
Further, the step of releasing the local operation authority and unlocking the arming lock of the device for hanging the arming lock comprises:
downloading the revocation tickets to the maintenance key;
performing disarming operation on the equipment for hanging and placing the lock;
returning the maintenance key;
and the background monitoring system reads back the disarming information.
Further, the background monitoring system compares arming information and disarming information, and alarms if the arming information and the disarming information are inconsistent.
Further, the method also comprises the step of re-installing a disarming ticket to the overhaul key, wherein the disarming ticket only comprises the information of missing undecammed locks.
Further, the arming information and the disarming information are stored in a temporary database, and the information is automatically deleted after the maintenance and isolation task is finished.
In summary, the present invention provides a transformer substation maintenance isolation management and control method, including: controlling the operation authority of the background monitoring system, isolating the equipment to be overhauled, and forbidding the background monitoring system to carry out remote control operation on the isolated equipment; managing and controlling local operation authority, and performing cloth hanging anti-locking on the operation forbidden equipment to forbid the operation of the operation forbidden equipment; judging whether to carry out maintenance pre-test operation, if so, carrying out maintenance pre-test operation, and carrying out local or remote control test operation on the equipment to be maintained; if not, entering the next step; releasing local operation authority, and releasing the cloth protection lock of the cloth hanging anti-lock device; and releasing the operation authority of the background monitoring system and removing the isolation of the equipment to be overhauled.
The invention has the beneficial effects that:
1. controlling the operation authority of the equipment to be overhauled by an overhauling person to ensure that other personnel cannot operate by mistake to charge the overhauled equipment;
2. when a plurality of overhauls the isolation task simultaneously, through the information of deploying troops on garrison duty and the information of withdrawing a garrison of every maintenance isolation task of record contrast, do not omit the unblock when can ensure withdrawing a garrison, other locksets of can not the maloperation, have improved reliability and security.
Drawings
FIG. 1 is a schematic flow chart of a transformer substation maintenance isolation management and control method of the invention;
fig. 2 is a schematic flow chart of a transformer substation overhaul isolation management and control method according to an embodiment 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 will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
A transformer substation overhaul isolation management and control method comprises the following steps as shown in figure 1:
and S100, managing and controlling the operation authority of the background monitoring system, isolating the equipment to be overhauled, and forbidding the background monitoring system to remotely control the isolated equipment.
And S200, managing and controlling local operation authority, and hanging and locking the operation forbidden equipment to forbid the operation of the operation forbidden equipment.
Step S300, judging whether to carry out maintenance pre-test operation, if so, carrying out maintenance pre-test operation, and carrying out local or remote control test operation on equipment to be maintained; otherwise, the next step is proceeded.
And S400, releasing local operation authority, and releasing the defense lock of the device for hanging the defense lock.
And S500, releasing the operation authority of the background monitoring system and removing the isolation of the equipment to be overhauled.
A specific embodiment of the present invention is shown in fig. 2, which is a method for implementing high-reliability transformer substation maintenance isolation, when a maintenance worker needs to maintain a certain primary device, the maintenance worker needs to control the primary device operation authority that can electrify the maintained primary device, and it is ensured that other workers cannot operate by mistake to electrify the maintained primary device, so as to ensure the personal safety of the maintenance worker, as shown in the flowchart of the scheme shown in fig. 2, the operation authority of the primary device is controlled through the following steps:
firstly, background operation authority is controlled. As shown in the first part of the following figure, a maintenance isolation ticket is created, primary equipment needing to be isolated, namely primary equipment prohibited to operate, is selected, if the equipment is operated by mistake, the equipment being maintained can be electrified, so that a safety accident is caused, after the maintenance isolation ticket is issued, a monitoring background system marks an icon in a lock shape on the isolated primary equipment, so that the remote control on the selected primary equipment is prohibited, the maintenance isolation mark of the remotely controlled primary equipment is judged in a remote control flow, and if the equipment is isolated, the remote control on the equipment is prohibited.
The method for managing and controlling the operation authority of the background monitoring system comprises the following steps:
creating a maintenance isolation ticket (maintenance isolation task) comprising setting a task name;
selecting primary equipment needing isolation;
and the background monitoring system isolates the primary equipment according to the overhaul isolation ticket and forbids remote control operation on the isolated primary equipment.
Further, the step that the background monitoring system isolates the primary equipment according to the overhaul isolation ticket and forbids the isolated primary equipment to be remotely operated comprises the following steps:
the background monitoring system marks the isolated primary equipment;
in the remote control process, the background monitoring system judges whether the primary equipment is marked or not, and if so, remote control operation is prohibited.
And secondly, managing and controlling local operation authority. As shown in the second part of the following figure, after the maintenance isolation ticket is created, the arming ticket is installed under the maintenance key, at the moment, the installation lock code is the lock code of all non-armed locks in the whole station, the maintenance personnel can use the maintenance key to unlock padlock operation on all non-armed locks, and carry out arming lock hanging on secondary equipment or local handles and the like which are forbidden to operate, so that the on-site misoperation of other personnel is avoided, the key is put back to the key base after arming is finished, the monitoring system can read back and record armed lock information for comparison and use during the following fourth disarming step, and all armed locks can be unlocked and disarmed.
Further, the management and control of the local operation authority carries out cloth hanging and lock prevention on the operation forbidden device, and the step of forbidding to operate the operation forbidden device comprises the following steps:
arranging a defense ticket under the overhaul key;
and hanging and placing the lock on the secondary equipment or the local handle which is forbidden to operate.
Further, the method also comprises the following steps: and after the defense deployment is finished, the key is put back to the key base, and the background monitoring system reads back and records the defense deployed lockset information.
Thirdly, the pre-trial operation is overhauled. In the third part shown in the following figure, if a pretest operation is required in the overhaul process, a download pretest ticket can be repeatedly created to the computer key, and the on-site or remote control test operation can be carried out on the overhauled equipment.
Further, the step of performing a maintenance pre-test operation and performing an on-site or remote test operation on the equipment to be maintained includes:
selecting pre-test equipment;
generating a pre-test task and a pre-test ticket;
downloading a pre-test ticket to an overhaul key;
read back the pre-test record.
Fourth, the in-place operation authority is released. As shown in the fourth part of the following figures, after a maintenance worker completes the maintenance of one piece of equipment, a disarming ticket is installed for a maintenance key at a monitoring background, the disarming ticket only contains lockset information (the lockset information used for arming in the first step) which is armed by the current maintenance task, so that the lockset which is only armed by the task can be ensured to be only disarmed, the lockset which is armed by other maintenance tasks can be prevented from being disarmed by mistake, the maintenance key is returned after the disarming is completed, the monitoring background compares the lockset information which is armed by the task with the information of the disarmed lockset, when the lockset is detected to be omitted and disarmed, whether the disarmed ticket is installed again to a computer key is prompted, if the task of the disarming ticket is newly installed, only the computer key is issued by the lockset information which is omitted and not armed, the other lockset is prevented from being disarmed by mistake, the security and the reliability.
Further, the step of releasing the local operation authority and unlocking the arming lock of the device for hanging the arming lock comprises:
downloading the revocation tickets to the maintenance key;
performing disarming operation on the equipment for hanging and placing the lock;
returning the maintenance key;
and the background monitoring system reads back the disarming information.
And fifthly, releasing the monitoring background operation authority. As shown in the fifth part of the following figure, after the anti-blocking is released, the monitoring background clicks to finish the overhaul isolation task, the operation authority of the isolated primary equipment is released, and the equipment can be continuously operated in a remote control mode and the like in the monitoring background.
The method can simultaneously carry out a plurality of maintenance isolation tasks, and by recording and comparing the arming information and the disarming information of each maintenance isolation task, the unlocking is not missed during disarming; when the defense is withdrawn, only the lockset armed by the maintenance and isolation task can be unlocked, so that potential safety hazards caused by unlocking and withdrawing other defense armed locksets for maintenance and isolation can be avoided; when the condition of omitting the disarming is existed during the disarming, the information of the lockset omitting the disarming is only transmitted to the computer key, and other locksets cannot be operated by mistake.
Further, the background monitoring system compares arming information and disarming information, and alarms if the arming information and the disarming information are inconsistent.
Further, the method also comprises the step of re-installing a disarming ticket to the overhaul key, wherein the disarming ticket only comprises the information of missing undecammed locks.
Further, the arming information and the disarming information are stored in a temporary database, and the information is automatically deleted after the maintenance and isolation task is finished. The recorded arming lock information can be stored in the database, but the data is temporary data, and the data becomes useless data after the lockset information is compared with the arming lock information when the arming is removed, so that the arming lock information is stored in the memory, the data is invalidated after the maintenance and isolation task flow is finished, and junk data are not generated and are not required to be cleaned. The recorded arming lock information can also be stored in a configuration file, the effect is consistent with the content, the requirement can be met, useless data can be generated, and a useless data processing step needs to be added.
In summary, the present invention provides a transformer substation maintenance isolation management and control method, including: controlling the operation authority of the background monitoring system, isolating the equipment to be overhauled, and forbidding the background monitoring system to carry out remote control operation on the isolated equipment; managing and controlling local operation authority, and performing cloth hanging anti-locking on the operation forbidden equipment to forbid the operation of the operation forbidden equipment; judging whether to carry out maintenance pre-test operation, if so, carrying out maintenance pre-test operation, and carrying out local or remote control test operation on the equipment to be maintained; if not, entering the next step; releasing local operation authority, and releasing the cloth protection lock of the cloth hanging anti-lock device; and releasing the operation authority of the background monitoring system and removing the isolation of the equipment to be overhauled. The invention controls the operation authority of the equipment to be overhauled to the maintainer, and ensures that other personnel cannot carry out misoperation to electrify the overhauled equipment; when a plurality of overhauls the isolation task simultaneously, through the information of deploying troops on garrison duty and the information of withdrawing a garrison of every maintenance isolation task of record contrast, do not omit the unblock when can ensure withdrawing a garrison, other locksets of can not the maloperation, have improved reliability and security.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (10)
1. A transformer substation maintenance isolation management and control method is characterized by comprising the following steps:
controlling the operation authority of the background monitoring system, isolating the equipment to be overhauled, and forbidding the background monitoring system to carry out remote control operation on the isolated equipment;
managing and controlling local operation authority, and performing cloth hanging anti-locking on the operation forbidden equipment to forbid the operation of the operation forbidden equipment;
judging whether to carry out maintenance pre-test operation, if so, carrying out maintenance pre-test operation, and carrying out local or remote control test operation on the equipment to be maintained; if not, entering the next step;
releasing local operation authority, and releasing the cloth protection lock of the cloth hanging anti-lock device;
and releasing the operation authority of the background monitoring system and removing the isolation of the equipment to be overhauled.
2. The substation overhaul isolation management and control method according to claim 1, wherein the step of managing and controlling the operation authority of the background monitoring system comprises:
creating a maintenance isolation ticket;
selecting primary equipment needing isolation;
and the background monitoring system isolates the primary equipment according to the overhaul isolation ticket and forbids remote control operation on the isolated primary equipment.
3. The substation overhaul isolation management and control method according to claim 2, wherein the background monitoring system isolates the primary equipment according to an overhaul isolation ticket, and the step of prohibiting remote operation on the isolated primary equipment comprises:
the background monitoring system marks the isolated primary equipment;
in the remote control process, the background monitoring system judges whether the primary equipment is marked or not, and if so, remote control operation is prohibited.
4. The transformer substation overhaul isolation management and control method according to any one of claims 1 to 3, wherein the management and control on-site operation authority carries out hanging anti-lock on the operation-prohibited equipment, and the step of prohibiting operation of the operation-prohibited equipment comprises the following steps:
arranging a defense ticket under the overhaul key;
and hanging and placing the lock on the secondary equipment or the local handle which is forbidden to operate.
5. The substation overhaul isolation management and control method according to claim 4, further comprising:
and after the defense deployment is finished, the key is put back to the key base, and the background monitoring system reads back and records the defense deployed lockset information.
6. The substation overhaul isolation management and control method according to claim 1, wherein the step of performing overhaul pre-test operation and performing on-site or remote test operation on the equipment to be overhauled comprises the steps of:
selecting pre-test equipment;
generating a pre-test task and a pre-test ticket;
downloading a pre-test ticket to an overhaul key;
read back the pre-test record.
7. The substation overhaul isolation management and control method according to any one of claims 1 to 6, wherein the step of releasing the local operation authority and unlocking the arming lock of the arming device comprises:
downloading the revocation tickets to the maintenance key;
performing disarming operation on the equipment for hanging and placing the lock;
returning the maintenance key;
and the background monitoring system reads back the disarming information.
8. The substation overhaul isolation management and control method according to claim 7, wherein the background monitoring system compares arming information and disarming information, and alarms if the arming information and the disarming information are inconsistent.
9. The substation overhaul isolation management and control method according to claim 8, further comprising reinstalling a disarming ticket to the overhaul key, wherein the disarming ticket only includes information on locks missing non-disarming.
10. The transformer substation maintenance and isolation control method according to any one of claims 1 to 9, wherein arming information and disarming information are stored in a temporary database, and the information is automatically deleted after the maintenance and isolation task is finished.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114863593A (en) * | 2022-04-29 | 2022-08-05 | 珠海优特电力科技股份有限公司 | Control method and device for equipment operation authority, computer key and server |
| CN114863593B (en) * | 2022-04-29 | 2023-01-31 | 珠海优特电力科技股份有限公司 | Control method and device for operation authority of coal mine equipment, computer key and server |
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Application publication date: 20210525 |