CN111768114A - Method for real-time overall process control of batch transfer tasks of distribution network feeder lines - Google Patents

Method for real-time overall process control of batch transfer tasks of distribution network feeder lines Download PDF

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Publication number
CN111768114A
CN111768114A CN202010631531.6A CN202010631531A CN111768114A CN 111768114 A CN111768114 A CN 111768114A CN 202010631531 A CN202010631531 A CN 202010631531A CN 111768114 A CN111768114 A CN 111768114A
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China
Prior art keywords
feeder
task
transfer
power
control
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CN202010631531.6A
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Inventor
吴树鸿
汤志锐
郭志燊
欧阳卫年
杨忠藩
罗伟明
王伟佳
何锦飞
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Guangdong Power Grid Co Ltd
Foshan Power Supply Bureau of Guangdong Power Grid Corp
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Guangdong Power Grid Co Ltd
Foshan Power Supply Bureau of Guangdong Power Grid Corp
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Priority to CN202010631531.6A priority Critical patent/CN111768114A/en
Publication of CN111768114A publication Critical patent/CN111768114A/en
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00Administration; Management
    • G06Q10/06Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
    • G06Q10/063Operations research, analysis or management
    • G06Q10/0635Risk analysis of enterprise or organisation activities
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00Administration; Management
    • G06Q10/20Administration of product repair or maintenance
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
    • G06Q50/06Electricity, gas or water supply
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00Circuit arrangements for ac mains or ac distribution networks
    • H02J3/003Load forecast, e.g. methods or systems for forecasting future load demand
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00Circuit arrangements for ac mains or ac distribution networks
    • H02J3/12Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load
    • H02J3/14Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load by switching loads on to, or off from, network, e.g. progressively balanced loading
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
    • Y02B70/3225Demand response systems, e.g. load shedding, peak shaving
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS 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
    • Y04S10/00Systems supporting electrical power generation, transmission or distribution
    • Y04S10/50Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS 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
    • Y04S20/00Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20End-user application control systems
    • Y04S20/222Demand response systems, e.g. load shedding, peak shaving

Abstract

The invention provides a method for managing and controlling the whole process of batch transfer of distribution network feeders, which manages and controls various tasks at the source, manages and controls the real-time process of handling in the process through the transfer tasks, and further improves the whole process management and control efficiency of batch transfer of the distribution network feeders in a real-time data analysis and release mode, thereby solving the original problems.

Description

Method for real-time overall process control of batch transfer tasks of distribution network feeder lines
Technical Field
The invention relates to the field of distribution network management and control methods, in particular to a method for real-time management and control of the whole process of batch transfer tasks of distribution network feeders.
Background
With the requirement of a regional power grid on the safe operation of distribution network lines, task handling is carried out on a large number of distribution network lines in batches, and during the task handling, a plurality of technologies are provided to rapidly analyze abnormal operation events of the power grid, including the work of equipment accident power failure, heavy overload events of a power grid section, power grid operation risk assessment, prearrangement of power failure maintenance and the like, and the system analysis has the advantage of improving the efficiency.
Although the events can be analyzed independently and quickly or the distribution network batch supply transfer scheme can be analyzed independently, the systems are isolated from each other and cannot exchange data, so that for a power grid operation on-duty dispatcher, the power grid abnormity and accident events cannot be managed and controlled quickly in real time in the whole process, even if the supply transfer scheme is analyzed independently, the modes of printing, oral command issuing, telephone voice sharing and the like are needed, and the tasks of task process management, information release and the like which are complicated, inefficient and time-consuming are carried out.
The patent specification with the application number of 201410639413.4 discloses an intelligent distributed feeder automation load transfer method, and the application provides a load transfer method suitable for a multi-source multi-contact network architecture, so that the system can still reliably operate after load transfer in different operation modes on the premise of not increasing the cost. However, this patent cannot realize the real-time process management and control of various tasks at the source and handling in the event through the task of supplying.
Disclosure of Invention
The invention provides a method for real-time overall process control of distribution network feeder batch transshipment tasks.
In order to achieve the technical effects, the technical scheme of the invention is as follows:
a method for real-time management and control of the whole process of batch transfer tasks of distribution network feeders comprises the following steps:
s1: collecting task management and control information of various power grid operation and accident events;
s2: collecting management and control information of task processes, dispatching analysis and real-time information;
s3: collecting control information of the transfer-out equipment, the transfer-out feeder line, the transfer-in equipment and the line;
s4: and comprehensively analyzing the control information of the steps S1-S3 to realize real-time control and disposal of the whole process of the batch feeder transfer task.
Furthermore, various normal operations exist in the operation of the power grid, equipment accident power failure events can also occur due to various reasons, under the condition, a feeder line needs to be quickly generated to transfer a task in batches, so that effective intervention is carried out on the power failure of the equipment accident occurring in the power grid at the first time, the feeder line power failure in batches is recovered as early as possible, the equipment accident power failure task comprises real-time monitoring of the operation condition of a power grid bus, and the task management and control are automatically triggered when the power failure occurs.
Furthermore, the main network system has a plurality of network nodes, during the operation mode change and the power grid state overhaul, a section heavy overload event (2) always occurs or is about to occur to the network nodes of the power grid, for the discovery of heavy overload, the active power of each node of the power grid, especially the equipment of the operation section, should be monitored in real time, and after the section is heavily overloaded, a feeder batch transfer task should be immediately sent out to control:
the active load of the operating equipment switch is 0.9-1 times PRated valueWhen the load is heavy,
active load of running equipment switch>1.0 times PRated valueOverload.
Further, should constantly carry out accident event risk assessment to electric wire netting weak link, important power supply region etc. in the electric wire netting operation to electric wire netting operation risk task management and control is taken precautions against risk and not in the beginning, and equipment to various electric wire netting operation risks involve generates feeder fast and changes the task of supplying in batches and manages and control:
risk of accident event: risk of power outage to N-1 lines or equipment.
Further, for the generated feeder batch transfer task, when a value dispatcher performs task process management and control on each feeder in the task, specific operation implementation is performed, including filling of an execution condition and an execution time, wherein the execution condition includes: converted electricity, field conversion, power generation supply, string supply, limited electricity, non-conversion and the like.
Furthermore, the execution efficiency of the batch feeder transfer task is an element for improving the reliability of power supply, and the scheduling current value is used for transferring power in the task and dispatching the power for analysis, which is the key of task management and control. A large number of power transfer tasks of distribution network lines are involved in the batch power transfer tasks, and dispatching operators are required to perform dispatching description and analysis in the tasks according to the number and the capacity of current value dispatchers so as to ensure balanced workload and proper treatment; the dispatching method comprises the following steps: and dispatching the feeder task of the whole bus, and respectively dispatching the feeder transfer task.
Furthermore, in the task of processing the batch feeder to supply power, real-time information management is a center for ensuring that operation, service and management personnel at all levels can quickly acquire information, and task management and control personnel should convert task processing into a real-time refreshing mode to provide real-time whole-process information sharing and issuing for professional personnel at all levels; the real-time information includes:
the line proportion of the converted feeder is equal to the number of converted feeders/the number of all feeders of the converted task is 100 percent;
the load rate of the converted feeder line is 100% of the load of the converted feeder line/the load of all feeder lines of the converted task;
and the user rate of the converted power feeder is 100 percent of all feeder users of the converted power feeder/the converted task.
Further, if the transfer-out equipment in the feeder batch transfer task cannot be timely powered back, the power grid bus where the equipment is located loses power supply for a long time, important power supplies such as station power utilization and the like lose support, task management and control are required to be timely performed on the transfer-out equipment power restoration, the power restoration method of the equipment has the main network to forcibly send back power supply, if the main network cannot be powered back in a short time, the power supply of the transfer-out equipment can be restored through a batch transfer feeder scheme, preferably selecting a contact line with the strongest power supply, and restoring the power supply of the transfer-out equipment to a bus string power supply mode:
the line ratio of the serial supply feeder line is equal to the number of the serial supply feeder lines/the number of all the feeder lines of the conversion supply task is 100 percent.
Furthermore, in the management and control of the batch transfer task of the feeder line, the core working requirement is to transfer the feeder line with remote control capability, if the accident voltage loss and power failure occurs, the outgoing switch of the feeder line needs to be cut off, and then the remote control operation of the master station system is used for transferring and recovering the power of the feeder line; if the feeder line is not under voltage, the loop closing and the power restoration of the feeder line can be quickly realized through the remote control operation of the main station system, and the power failure to a client is reduced as much as possible:
the line proportion of the remote control transfer feeder line is equal to the number of the remote control transfer feeder lines/the number of all the feeder lines of the transfer task is 100 percent;
the load rate of the remote control transfer feeder line is 100 percent of the load of all the feeder lines of the remote control transfer feeder line/transfer supply task;
and the user rate of the remote control switch feeder line is 100 percent of all the feeder line users of the remote control switch feeder line users/switch supply tasks.
Furthermore, the batch feeder transfer task does not need to design transferred equipment and feeders, and also needs to enhance the task control of the load of the transferred feeders in the operation monitoring process, so that the load rate of the task is mainly controlled not to exceed the limit, the phenomenon that the load is transferred to the opposite side line in one way, the heavy overload of the transferred feeders or the overlarge user proportion is caused, the overload power failure or high operation risk condition occurs, the operation load condition of each transferred feeder and each voltage class equipment at the upstream of the transferred feeder can be further analyzed through the tracking of a power supply, and the operation mode of the power grid can be timely adjusted to control the power grid in real time;
the load rate of the transfer feeder line (the load of the transfer feeder line + the transfer feeder line is connected)/the current capacity of the transfer feeder line is 100 percent;
the management and control of the feeder batch transfer task relate to business management considerations in multiple aspects, linkage in the aspect of advanced management is needed, and the management of the task can be ensured only by performing real-time management and control on the whole process by taking batch transfer of the distribution network feeders as an integral functional application and also taking the requirement of horizontal data interaction management.
Compared with the prior art, the technical scheme of the invention has the beneficial effects that:
the invention comprehensively explains various element information of the task management and control design of the whole process of batch supply of the distribution network feeder lines, and can well implement comprehensive management and control; managing and controlling and disposing a plurality of professional task management and information publishing and sharing, and facilitating real-time information publishing during batch feeder line transfer for task execution; the task management and control method is researched for the management of task execution and power grid operation control, and the linkage requirement for comprehensively managing and controlling accident events is provided.
Drawings
FIG. 1 is a schematic process diagram of the method of the present invention.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent;
for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product;
it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The technical solution of the present invention is further described below with reference to the accompanying drawings and examples.
As shown in fig. 1, a method for real-time management and control of the whole process of batch transfer of distribution network feeder to a task includes the following steps:
s1: collecting task management and control information of various power grid operation and accident events;
s2: collecting management and control information of task processes, dispatching analysis and real-time information;
s3: collecting control information of the transfer-out equipment, the transfer-out feeder line, the transfer-in equipment and the line;
s4: and comprehensively analyzing the control information of the steps S1-S3 to realize real-time control and disposal of the whole process of the batch feeder transfer task.
Furthermore, various normal operations exist in the operation of the power grid, equipment accident power failure events can also occur due to various reasons, under the condition, a feeder line needs to be quickly generated to transfer a task in batches, so that effective intervention is carried out on the power failure of the equipment accident occurring in the power grid at the first time, the feeder line power failure in batches is recovered as early as possible, the equipment accident power failure task comprises real-time monitoring of the operation condition of a power grid bus, and the task management and control are automatically triggered when the power failure occurs.
Furthermore, the main network system has a plurality of network nodes, during the operation mode change and the power grid state overhaul, the occurrence or imminent section heavy overload event of the network nodes of the power grid part is always caused, the active power of each node of the power grid, especially the equipment of the operation section, should be monitored in real time for the discovery of heavy overload, and the section should immediately send out a feeder line batch transfer task to control after heavy overload occurs:
the active load of the operating equipment switch is 0.9-1 times PRated valueWhen the load is heavy,
active load of running equipment switch>1.0 times PRated valueOverload.
The method comprises the following steps that accident event risk assessment is continuously carried out on weak links, important power supply areas and the like of a power grid in the operation of the power grid, risks and accidents are prevented through power grid operation risk task management and control, and feeder line batch transfer tasks are rapidly generated for equipment related to various power grid operation risks and are managed and controlled:
risk of accident event: risk of power outage to N-1 lines or equipment.
For the generated feeder batch transfer task, when a value dispatcher performs task process management and control, each feeder in the task is subjected to specific operation implementation, including the completion of an execution condition and an execution time, wherein the execution condition comprises: converted electricity, field conversion, power generation supply, string supply, limited electricity, non-conversion and the like.
The execution efficiency of the batch feeder transfer task is an element for improving the reliability of power supply, and the scheduling current value is used for transferring power in the task and dispatching power and analyzing, and is the key of task management and control. A large number of power transfer tasks of distribution network lines are involved in the batch power transfer tasks, and dispatching operators are required to perform dispatching description and analysis in the tasks according to the number and the capacity of current value dispatchers so as to ensure balanced workload and proper treatment; the dispatching method comprises the following steps: and dispatching the feeder task of the whole bus, and respectively dispatching the feeder transfer task.
In the process of processing a feeder line batch power supply conversion task, real-time information management is a center for ensuring that operation, service and management personnel at all levels can quickly acquire information, and task management and control personnel should convert task processing into a real-time refreshing mode to provide real-time whole-process information sharing and releasing for professional personnel at all levels; the real-time information includes:
the line proportion of the converted feeder is equal to the number of converted feeders/the number of all feeders of the converted task is 100 percent;
the load rate of the converted feeder line is 100% of the load of the converted feeder line/the load of all feeder lines of the converted task;
and the user rate of the converted power feeder is 100 percent of all feeder users of the converted power feeder/the converted task.
If the feeder transfers the equipment that rolls out in supplying the task in batches to in time the combined electricity, will lead to the electric wire netting generating line at equipment place to lose the power for a long time, important power sources such as its station power consumption will lose the support, need in time carry out the task management and control to the equipment that rolls out the combined electricity, the combined electricity method of this kind of equipment has the major network to force to send back the power supply, if the unable short time combined electricity of major network direction, can transfer in batches and supply the feeder scheme, preferably change the strongest contact line of power supply, the power consumption of equipment is resumeed to the busbar cluster power supply mode:
the line ratio of the serial supply feeder line is equal to the number of the serial supply feeder lines/the number of all the feeder lines of the conversion supply task is 100 percent.
In the management and control of the batch transfer task of the feeder line, the core work requirement is that the transferable feeder line with the remote control capability is required, if the accident voltage loss and power failure occurs, the outgoing switch of the feeder line needs to be cut off, and then the remote control operation of the main station system is used for transferring and recovering the power of the feeder line; if the feeder line is not under voltage, the loop closing and the power restoration of the feeder line can be quickly realized through the remote control operation of the main station system, and the power failure to a client is reduced as much as possible:
the line proportion of the remote control transfer feeder line is equal to the number of the remote control transfer feeder lines/the number of all the feeder lines of the transfer task is 100 percent;
the load rate of the remote control transfer feeder line is 100 percent of the load of all the feeder lines of the remote control transfer feeder line/transfer supply task;
and the user rate of the remote control switch feeder line is 100 percent of all the feeder line users of the remote control switch feeder line users/switch supply tasks.
The feeder batch transfer task does not need to design only transferred equipment and feeders, and also needs to strengthen task control on transferred feeder loads in operation monitoring, the load rate of the task is mainly controlled not to exceed the limit, the phenomenon that the load is transferred to an opposite side line by one side, heavy overload of the transferred feeders or the proportion of users is too large, overload power failure or high operation risk situation occurs, the operation load situation of each transferred feeder and each voltage class equipment at the upstream of the transferred feeder can be further analyzed through power supply tracking, and the power grid operation mode is timely adjusted to control the power grid in real time;
the load rate of the transfer feeder line (the load of the transfer feeder line + the transfer feeder line is connected)/the current capacity of the transfer feeder line is 100 percent;
the management and control of the feeder batch transfer task relate to business management considerations in multiple aspects, linkage in the aspect of advanced management is needed, and the management of the task can be ensured only by performing real-time management and control on the whole process by taking batch transfer of the distribution network feeders as an integral functional application and also taking the requirement of horizontal data interaction management.
The same or similar reference numerals correspond to the same or similar parts;
the positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent;
it should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. A method for real-time control of the whole process of batch transfer of distribution network feeder lines to tasks is characterized by comprising the following steps:
s1: collecting task management and control information of various power grid operation and accident events;
s2: collecting management and control information of task processes, dispatching analysis and real-time information;
s3: collecting control information of the transfer-out equipment, the transfer-out feeder line, the transfer-in equipment and the line;
s4: and comprehensively analyzing the control information of the steps S1-S3 to realize real-time control and disposal of the whole process of the batch feeder transfer task.
2. The method for real-time management and control of the whole process of distribution network feeder batch transfer task according to claim 1, characterized in that, during the operation of the power grid, not only are various normal operations performed, but also equipment accident power failure events occur due to various reasons, under the condition, the feeder batch transfer task needs to be rapidly generated, so that effective intervention is performed on the equipment accident power failure occurring in the power grid at the first time, the feeder power restoration of the batch power failure is recovered as early as possible, the equipment accident power failure task comprises real-time monitoring of the operation condition of a power grid bus, and the task management and control is automatically triggered when the power failure occurs.
3. The method according to claim 2, wherein the operating main network system has a plurality of network nodes, during the operation mode change and the grid state overhaul, the network nodes of the grid part are always caused to have or are about to have a heavy section overload event, for the discovery of heavy overload, the active power of each node of the grid, especially the equipment of the operation section, is monitored in real time, and the feeder batch transfer task is immediately sent out after the heavy overload of the section occurs to control:
the active load of the operating equipment switch is 0.9-1 times PRated valueWhen the load is heavy,
active load of running equipment switch>1.0 times PRated valueAfter the mealAnd (4) loading.
4. The method for real-time overall process control of distribution network feeder batch transfer tasks according to claim 3, wherein during operation of the power grid, accident risk assessment should be continuously performed on weak links of the power grid, important power supply areas and the like, risks and accidents are prevented through risk control of the power grid operation risk tasks, and feeder batch transfer tasks are rapidly generated and controlled for equipment related to various power grid operation risks:
risk of accident event: risk of power outage to N-1 lines or equipment.
5. The method for real-time management and control of the whole process of distribution network feeder batch transfer tasks according to claim 4, wherein for a generated feeder batch transfer task, when a value dispatcher performs task process management and control, each feeder in the task is subjected to specific operation implementation, including filling of execution conditions and execution time, wherein the execution conditions include: converted electricity, field conversion, power generation supply, string supply, limited electricity, non-conversion and the like.
6. The method for real-time management and control of the whole process of distribution network feeder batch transfer tasks according to claim 5, wherein the execution efficiency of the feeder batch transfer tasks is an element for improving reliability of power supply, and the key point of task management and control is that the scheduling current value is transferred to the task for power dispatching analysis; a large number of power transfer tasks of distribution network lines are involved in the batch power transfer tasks, and dispatching operators are required to perform dispatching description and analysis in the tasks according to the number and the capacity of current value dispatchers so as to ensure balanced workload and proper treatment; the dispatching method comprises the following steps: and dispatching the feeder task of the whole bus, and respectively dispatching the feeder transfer task.
7. The method for real-time management and control of the whole process of the distribution network feeder batch power transfer task according to claim 6, wherein in the process of handling the feeder batch power transfer task, real-time information management is a center for ensuring that operation, service and management personnel at all levels can quickly acquire information, and the task management and control personnel should change task handling into a real-time refreshing mode to provide real-time whole-process information sharing and issuing for professional personnel at all levels; the real-time information includes:
the line proportion of the converted feeder is equal to the number of converted feeders/the number of all feeders of the converted task is 100 percent;
the load rate of the converted feeder line is 100% of the load of the converted feeder line/the load of all feeder lines of the converted task;
and the user rate of the converted power feeder is 100 percent of all feeder users of the converted power feeder/the converted task.
8. The method for real-time management and control of the whole process of distribution network feeder line batch transfer task according to claim 7, characterized in that if the transferred-out equipment in the feeder line batch transfer task cannot be timely restored, the power of a power grid bus where the equipment is located is lost for a long time, important power sources such as station power consumption and the like lose support, task management and control are needed to be timely restored to the transferred-out equipment, the restoration method of the equipment has the main network to forcibly send back power supply, if the main network cannot restore power supply in a short time, the power consumption of the transferred-out equipment can be restored by preferentially selecting the connection line with the strongest transfer power in the batch transfer feeder line scheme:
the line ratio of the serial supply feeder line is equal to the number of the serial supply feeder lines/the number of all the feeder lines of the conversion supply task is 100 percent.
9. The method for real-time overall process control of the distribution network feeder batch transfer task according to claim 8, wherein in the control of the feeder batch transfer task, a core working requirement is to remotely control the transferable feeder, if the accident voltage loss and power failure occurs, a feeder outlet switch is cut off first, and then the feeder is transferred to the power and restored through the remote control operation of a main station system; if the feeder line is not under voltage, the loop closing and the power restoration of the feeder line can be quickly realized through the remote control operation of the main station system, and the power failure to a client is reduced as much as possible:
the line proportion of the remote control transfer feeder line is equal to the number of the remote control transfer feeder lines/the number of all the feeder lines of the transfer task is 100 percent;
the load rate of the remote control transfer feeder line is 100 percent of the load of all the feeder lines of the remote control transfer feeder line/transfer supply task;
and the user rate of the remote control switch feeder line is 100 percent of all the feeder line users of the remote control switch feeder line users/switch supply tasks.
10. The method for real-time management and control of the whole process of the distribution network feeder batch transfer task according to claim 9, wherein the feeder batch transfer task does not need to design only transferred-out equipment and feeders, but also needs to enhance the task management and control of transferred-in feeder loads in operation monitoring, the load rate of the task management and control is not over-limit, the situation that one side transfers loads to the opposite side line to cause heavy overload of the transferred-in feeders or the situation that the proportion of users is too large and overload power failure or high operation risk occurs is avoided, the operation load condition of each transferred-in feeder and each voltage class equipment at the upstream of the transferred-in feeder can be further analyzed through power supply tracking, and the power grid operation mode can be adjusted in time to manage and control the power grid in;
the load rate of the transfer feeder line (the load of the transfer feeder line + the transfer feeder line is connected)/the current capacity of the transfer feeder line is 100 percent;
the management and control of the feeder batch transfer task relate to business management considerations in multiple aspects, linkage in the aspect of advanced management is needed, and the management of the task can be ensured only by performing real-time management and control on the whole process by taking batch transfer of the distribution network feeders as an integral functional application and also taking the requirement of horizontal data interaction management.
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