CN113644637B - Self-adaptive setting method of automatic switch and related device - Google Patents
Self-adaptive setting method of automatic switch and related device Download PDFInfo
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- CN113644637B CN113644637B CN202111206983.0A CN202111206983A CN113644637B CN 113644637 B CN113644637 B CN 113644637B CN 202111206983 A CN202111206983 A CN 202111206983A CN 113644637 B CN113644637 B CN 113644637B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/006—Calibration or setting of parameters
Abstract
The application discloses a self-adaptive setting method of an automatic switch and a related device, wherein the method comprises the following steps: s1, presetting a fixed value range of each type of switch according to the hierarchical relation of the equipment to be set, the hardware type of the equipment to be set and the current type to be set; s2, obtaining a GIS file of the feeder line, wherein the GIS file comprises: SVG image files, XML equipment model files; s3, matching the equipment parameters or the keywords with the XML equipment model file to obtain the automatic switch equipment; s4, according to the SVG image file, obtaining upstream equipment, downstream equipment, a power supply range and a power supply path of the automatic switch equipment, and generating a feeder line topology SVG image of the automatic switch equipment; and S5, acquiring the fixed value of the automatic switch device according to the fixed value range based on the feeder line topology SVG graph. The technical problem that in the prior art, setting efficiency is low due to the fact that a series of manual operations are needed is solved.
Description
Technical Field
The present disclosure relates to the field of power technologies, and in particular, to an adaptive setting method for an automatic switch and a related apparatus.
Background
At present, according to the setting calculation principle of a distribution network automation terminal fixed value of sectional type current, a key node section switch which is put into a protection tripping function on each feedback line trunk line is required to be not more than two stages, and the key node section switch of a self-healing line must have a 'three-remote' (remote signaling, remote measuring and remote control) function; the non-key node section switch with the 'three remote' function on the trunk line is set according to the fixed value of the key node section switch at the rear side of the non-key node section switch, and the trip function is quitted; the section switch of the self-healing line without the three-remote function needs to be quit from protection. And the setting calculation is concerned with the time step difference.
When the conventional distribution network constant value setting calculation system sets the switch constant value, the setting principle logic is usually firstly cured in the system, and the final equipment level constant value list is provided through a series of manual operations such as the organization of operation and maintenance personnel to report equipment parameters, the setting personnel to identify key nodes, the setting personnel to select equipment from one equipment to another and the like. However, due to the fact that the operation and maintenance quantity is huge, and the situation of the fixed value setting human resource configuration and the technical support capability is differentiated, the setting efficiency in the prior art is still low overall, fixed value management of the distribution network cannot be in place, correct actions of on-site protection and distribution network self-healing are affected, and correct isolation of faults is affected finally.
Disclosure of Invention
The application provides a self-adaptive setting method and system of an automatic switch, which are used for solving the technical problem of low setting efficiency caused by a series of manual operations in the prior art.
In view of the above, a first aspect of the present application provides an adaptive tuning method for an automatic switch, the method including:
s1, presetting a fixed value range of each type of switch according to the hierarchical relation of the equipment to be set, the hardware type of the equipment to be set and the current type to be set;
s2, obtaining a GIS file of the feeder line, wherein the GIS file comprises: SVG image files, XML equipment model files;
s3, matching the equipment parameters or the keywords with the XML equipment model file to obtain automatic switch equipment;
s4, acquiring upstream equipment, downstream equipment, a power supply range and a power supply path of the automatic switch equipment according to the SVG image file, and generating a feeder line topology SVG image of the automatic switch equipment;
and S5, acquiring the fixed value of the automatic switch equipment according to the fixed value range based on the feeder line topology SVG graph.
Optionally, step S5 is followed by:
when the load of the feeder line is transferred, updating the hierarchical relation according to the GIS file; and re-presetting the constant value range of each type of switch according to the updated hierarchical relationship, the hardware type and the current type, and executing the step S2.
Optionally, the type of hierarchical relationship includes:
the station switching system comprises an off-station first section switch, an off-station first branch switch, an off-station second section switch, an off-station second branch switch, an off-station third branch switch, a switching supply contact point switch, a switching-only alarm switch and a standby switch.
Optionally, the hardware types include: permanent magnet type energy storage module, spring operation mechanism type energy storage module.
Optionally, the current types include: the current amplitude threshold value and the corresponding time threshold value of the quick-break protection fixed value, the overcurrent protection fixed value and the zero sequence protection fixed value, and the first reclosing time and the second reclosing time after the switch trips.
Optionally, step S3 specifically includes:
searching equipment with IP address parameters in the XML equipment model file to obtain automatic switch equipment; or searching equipment with the keyword as the column switch in the XML equipment model file to obtain the automatic switching equipment.
A second aspect of the present application provides an adaptive tuning system for an automation switch, the system comprising:
the preset module is used for presetting the fixed value range of each type of switch according to the hierarchical relation of the equipment to be set, the hardware type of the equipment to be set and the current type to be set;
the acquisition module is used for acquiring a GIS file of the feeder line, wherein the GIS file comprises: SVG image files, XML equipment model files;
the matching module is used for matching the XML equipment model file with the equipment parameters or the keywords to obtain the automatic switch equipment;
the generating module is used for acquiring upstream equipment, downstream equipment, a power supply range and a power supply path of the automatic switch equipment according to the SVG image file and generating a feeder line topology SVG image of the automatic switch equipment;
and the constant value module is used for acquiring the constant value of the automatic switch equipment according to the constant value range based on the feeder line topology SVG graph.
Optionally, the method further comprises: an update module to:
when the load of the feeder line is transferred, updating the hierarchical relation according to the GIS file; and resetting the fixed value range of each type of switch according to the updated hierarchical relationship, the hardware type and the current type, and triggering the acquisition module.
A third aspect of the present application provides an adaptive tuning apparatus for an automation switch, the apparatus comprising a processor and a memory:
the memory is used for storing program codes and transmitting the program codes to the processor;
the processor is configured to perform the steps of the method for adaptive tuning of an automation switch according to the first aspect as described above, according to instructions in the program code.
A fourth aspect of the present application provides a computer-readable storage medium for storing program code for executing the method for adaptive tuning of an automation switch according to the first aspect.
According to the technical scheme, the method has the following advantages:
the application provides a self-adaptive setting method of an automatic switch, which comprises the steps of presetting a fixed value range of each type of switch according to a hierarchical relationship by combining a hardware type and a current type, matching with an XML (extensive makeup language) equipment model file through equipment parameters or keywords, automatically identifying the automatic switch equipment in the GIS model file, marking the automatic switch equipment as key node equipment, generating a feeder line topological SVG (scalable vector graphics) of the key node equipment by acquiring upstream and downstream equipment of the key node equipment and the like, finally acquiring the fixed value of the automatic switch equipment according to the first set fixed value range based on the feeder line topological SVG, thereby completing the automatic setting of the automatic switch, further updating the hierarchical relationship through the GIS file when the load of a feeder line is transferred, thereby adaptively updating the fixed value range, the automatic switch constant value setting can be self-adaptive to the change of the operation mode of the feeder line, and the technical problem that the setting efficiency is low due to the fact that a series of manual operations are needed in the prior art is solved.
Drawings
Fig. 1 is a schematic flowchart of a first embodiment of a method for adaptive tuning of an automatic switch provided in an embodiment of the present application;
fig. 2 is a schematic flowchart of a second embodiment of an adaptive tuning method for an automatic switch provided in an embodiment of the present application;
fig. 3 is a schematic structural diagram of an embodiment of an adaptive tuning system of an automatic switch provided in an embodiment of the present application.
Detailed Description
In order to make the technical solutions of the present application better understood, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 1, a method for adaptive tuning of an automatic switch according to an embodiment of the present application includes:
It can be understood that a technician can preset the constant value range of each type of switch in the distribution network constant value setting system according to the hierarchical relation of the equipment, the type of current to be set (current-carrying capacity) and the type of hardware of the equipment to be set (hardware condition).
It should be noted that the types of hierarchical relationships that need to be set include: the station switching system comprises an off-station first section switch, an off-station first branch switch, an off-station second section switch, an off-station second branch switch, an off-station third branch switch, a switching supply contact point switch, a switching-only alarm switch and a standby switch. The hardware types of the devices to be tuned generally include: permanent magnet type energy storage module, spring operation mechanism type energy storage module. The current type values needing to be set comprise: the current amplitude threshold value and the corresponding time threshold value of the quick-break protection fixed value, the overcurrent protection fixed value and the zero sequence protection fixed value, and the first reclosing time and the second reclosing time after the switch trips. The above parameters that need to be set are only examples of this embodiment, and those skilled in the art can select the parameters that need to be set according to actual situations.
102, acquiring a GIS file of the feeder line, wherein the GIS file comprises: SVG image files, XML equipment model files.
It should be noted that, a technician may obtain a GIS file of a feeder line in a file transmission manner and the like through a distribution network technology operation platform (OMS system) or a distribution network scheduling automation monitoring operation platform (DMS system). GIS files typically include SVG image files, as well as XML device model files.
And 103, matching the equipment parameters or the keywords with the XML equipment model file to obtain the automatic switch equipment.
It should be noted that, in an XML device model file obtained by a distribution network technology operating platform (OMS system) or a distribution network scheduling automation monitoring operating platform (DMS system), an automatic switch device is identified by fuzzy matching of parameters, and is marked as a key device. The parameter matching method is generally implemented by searching for a device with ip address parameters (i.e., conditions for communicating with the dispatch master station), or by searching for a device described as a "switch" except for devices described as a "disconnector", "normal switch", and "load switch" (for example, the device type is a "pole switch", and the device name is trunk line 13T 1).
And 104, acquiring upstream equipment, downstream equipment, a power supply range and a power supply path of the automatic switch equipment according to the SVG image file, and generating a feeder line topology SVG image of the automatic switch equipment.
It should be noted that, in the SVG image file obtained by the distribution network technology operation platform (OMS system) or the distribution network dispatching automation monitoring operation platform (DMS system), the operation number (for example, 13T 1) of the automation switch device identified in step 103 is found, and then the upstream device, the downstream device, the power supply range, and the power supply path of the automation switch device are queried step by step, so as to complete the identification of the upstream and downstream relationship of the automation switch device, and generate a new feeder topology SVG diagram focusing only on the automation switch.
And 105, acquiring a fixed value of the automatic switch equipment according to the fixed value range based on the feeder line topology SVG graph.
It should be noted that, in the feeder topology SVG diagram of the automatic switch, the fixed value of the automatic switch device is calculated according to the fixed value range preset in step 101, so as to complete the setting operation of the automatic switch device.
The application provides a self-adaptive setting method of an automatic switch, which comprises the steps of presetting a fixed value range of each type of switch according to a hierarchical relation and in combination with a hardware type and a current type, matching device parameters or keywords with an XML (extensive makeup language) device model file, automatically identifying the automatic switch device in the GIS model file, marking the automatic switch device as a key node device, generating a feed line topological SVG (scalable vector graphics) of the key node device by acquiring upstream and downstream devices of the key node device and the like, and finally acquiring the fixed value of the automatic switch device according to the fixed value range set in the first step based on the feed line topological SVG, thereby completing the automatic setting of the automatic switch device and solving the technical problem of low setting efficiency caused by a series of manual operations in the prior art.
The above is a first embodiment of a method for adaptively setting an automatic switch provided by the present application, and the following is a second embodiment of a method for adaptively setting an automatic switch provided by the present application.
Referring to fig. 2, a second embodiment of the present application provides an adaptive tuning method for an automatic switch, including:
Step 201 is the same as step 101 in the embodiment, please refer to step 101 for description, and will not be described herein again.
Step 202 is the same as step 102 in the embodiment, please refer to step 102 for description, and will not be described herein again.
Step 203 is the same as step 103 in the embodiment, please refer to step 103 for description, and will not be described herein again.
And 204, acquiring upstream equipment, downstream equipment, a power supply range and a power supply path of the automatic switch equipment according to the SVG image file, and generating a feeder line topology SVG image of the automatic switch equipment.
Step 204 is the same as step 104 in the embodiment, please refer to step 104 for description, and will not be described herein again.
And step 205, acquiring a fixed value of the automatic switch device according to the fixed value range based on the feeder line topology SVG graph.
Step 205 is the same as the description of step 105 in the embodiment, please refer to step 105 for description, and will not be described herein again.
In order to adapt to the change of the feeder load operation mode, when the load of the feeder is transferred, the operation mode of the devices is changed, and the electrical topological relation between the devices is changed. Therefore, the hierarchical relationship is updated through the GIS file, then the constant value range of each type of switch is preset again according to the updated hierarchical relationship, the hardware type and the current type, and then the step 202 is returned, so that the setting work can be performed adaptively according to the transformation of the feeder load operation mode.
The application provides a self-adaptive setting method of an automatic switch, which comprises the steps of presetting a fixed value range of each type of switch according to a hierarchical relationship by combining a hardware type and a current type, matching equipment parameters or keywords with an XML (extensive makeup language) equipment model file, automatically identifying the automatic switch equipment in the GIS model file, marking the automatic switch equipment as key node equipment, generating a feeder line topological SVG (scalable vector graphics) of the key node equipment by acquiring upstream and downstream equipment of the key node equipment, and the like, finally acquiring the fixed value of the automatic switch equipment according to the fixed value range set in the first step on the basis of the feeder line topological SVG, thereby completing the automatic setting of the automatic switch, further updating the hierarchical relationship through the GIS file when the load of a feeder line is transferred, so as to adaptively update the fixed value range, and achieve the purpose that the fixed value of the automatic switch can be self-adaptive to the change of the operation mode of the feeder line, the technical problem that in the prior art, setting efficiency is low due to the fact that a series of manual operations are needed is solved.
The second embodiment of the adaptive tuning method for the automatic switch provided by the present application is as follows.
Referring to fig. 3, an adaptive tuning system of an automatic switch according to an embodiment of the present application includes:
the presetting module 301 is configured to preset a fixed value range of each type of switch according to a hierarchical relation of the device to be set, a hardware type of the device to be set, and a current type to be set.
An obtaining module 302, configured to obtain a GIS file of a feeder line, where the GIS file includes: SVG image files, XML equipment model files.
And the matching module 303 is configured to match the XML device model file with the device parameters or the keywords, so as to obtain the automatic switching device.
And the generating module 304 is configured to obtain an upstream device, a downstream device, a power supply range, and a power supply path of the automatic switching device according to the SVG image file, and generate a feeder topology SVG diagram of the automatic switching device.
And the constant value module 305 is used for acquiring the constant value of the automatic switch device according to the constant value range based on the feeder line topology SVG graph.
Further, in an optional embodiment, the adaptive tuning system of the automatic switch of the present application further includes: an update module 306 to:
when the load of the feeder line is transferred, updating the hierarchical relation according to the GIS file; and resetting the constant value range of each type of switch according to the updated hierarchical relationship, hardware type, and current type, triggering the obtaining module 302.
Further, an embodiment of the present application further provides an adaptive tuning apparatus for an automatic switch, where the apparatus includes a processor and a memory:
the memory is used for storing program codes and transmitting the program codes to the processor;
the processor is used for executing the self-adaptive tuning method of the automatic switch according to the method embodiment according to the instructions in the program codes.
Further, the present application also provides a computer-readable storage medium for storing program codes for executing the method for adaptive tuning of an automatic switch according to the above method embodiment.
It can be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working processes of the system and the modules described above may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
The terms "first," "second," "third," "fourth," and the like in the description of the application and the above-described figures, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
It should be understood that in the present application, "at least one" means one or more, "a plurality" means two or more. "and/or" for describing an association relationship of associated objects, indicating that there may be three relationships, e.g., "a and/or B" may indicate: only A, only B and both A and B are present, wherein A and B may be singular or plural. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship. "at least one of the following" or similar expressions refer to any combination of these items, including any combination of single item(s) or plural items. For example, at least one (one) of a, b, or c, may represent: a, b, c, "a and b", "a and c", "b and c", or "a and b and c", wherein a, b, c may be single or plural.
In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other manners. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application may be substantially implemented or contributed to by the prior art, or all or part of the technical solution may be embodied in a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.
Claims (8)
1. An adaptive setting method of an automatic switch is characterized by comprising the following steps:
s1, presetting a fixed value range of each type of switch according to the hierarchical relation of the equipment to be set, the hardware type of the equipment to be set and the current type to be set;
s2, obtaining a GIS file of the feeder line, wherein the GIS file comprises: SVG image files, XML equipment model files;
s3, matching the equipment parameters or the keywords with the XML equipment model file to obtain automatic switch equipment;
s4, acquiring upstream equipment, downstream equipment, a power supply range and a power supply path of the automatic switch equipment according to the SVG image file, and generating a feeder line topology SVG image of the automatic switch equipment;
s5, acquiring the fixed value of the automatic switch equipment according to the fixed value range based on the feeder line topology SVG diagram;
s6, when the load of the feeder line is transferred, updating the hierarchical relation according to the GIS file; and re-presetting the constant value range of each type of switch according to the updated hierarchical relationship, the hardware type and the current type, and executing the step S2.
2. The method of adaptive tuning of an automation switch of claim 1, where the type of hierarchical relationship includes:
the station switching system comprises an off-station first section switch, an off-station first branch switch, an off-station second section switch, an off-station second branch switch, an off-station third branch switch, a switching supply contact point switch, a switching-only alarm switch and a standby switch.
3. The method for adaptive tuning of automatic switches according to claim 1, characterized in that said hardware type comprises: permanent magnet type energy storage module, spring operation mechanism type energy storage module.
4. The method for adaptive tuning of an automatic switch according to claim 1, characterized in that said current types comprise: the current amplitude threshold value and the corresponding time threshold value of the quick-break protection fixed value, the overcurrent protection fixed value and the zero sequence protection fixed value, and the first reclosing time and the second reclosing time after the switch trips.
5. The method for adaptive tuning of an automatic switch according to claim 1, wherein step S3 specifically includes:
searching equipment with IP address parameters in the XML equipment model file to obtain automatic switch equipment; or searching equipment with the keyword as the column switch in the XML equipment model file to obtain the automatic switching equipment.
6. An adaptive tuning system for an automation switch, comprising:
the preset module is used for presetting the fixed value range of each type of switch according to the hierarchical relation of the equipment to be set, the hardware type of the equipment to be set and the current type to be set;
the acquisition module is used for acquiring a GIS file of the feeder line, wherein the GIS file comprises: SVG image files, XML equipment model files;
the matching module is used for matching the XML equipment model file with the equipment parameters or the keywords to obtain the automatic switch equipment;
the generating module is used for acquiring upstream equipment, downstream equipment, a power supply range and a power supply path of the automatic switch equipment according to the SVG image file and generating a feeder line topology SVG image of the automatic switch equipment;
the constant value module is used for acquiring the constant value of the automatic switch equipment according to the constant value range based on the feeder line topology SVG graph;
the updating module is used for updating the hierarchical relation according to the GIS file when the load of the feeder line is transferred; and resetting the fixed value range of each type of switch according to the updated hierarchical relationship, the hardware type and the current type, and triggering the acquisition module.
7. An adaptive tuning apparatus for an automation switch, the apparatus comprising a processor and a memory:
the memory is used for storing program codes and transmitting the program codes to the processor;
the processor is configured to perform the method of adaptive tuning of an automation switch of any of claims 1-5 according to instructions in the program code.
8. A computer-readable storage medium, characterized in that the computer-readable storage medium is configured to store program code for performing the method of adaptive tuning of an automatic switch according to any of claims 1-5.
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| CN115588961B (en) * | 2022-12-07 | 2023-02-17 | 国网浙江省电力有限公司金华供电公司 | Setting value self-adaptive setting method based on power distribution network full-model protection |
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| CN108075438B (en) * | 2018-01-05 | 2019-05-10 | 广东电网有限责任公司韶关供电局 | A kind of method of self-adaptive sites protective device definite value |
| CN109038824B (en) * | 2018-08-16 | 2021-12-10 | 南京南瑞继保电气有限公司 | Distributed feeder automation method |
| CN111884337A (en) * | 2020-07-16 | 2020-11-03 | 广东电网有限责任公司 | Method for carrying out configuration management on switching parameters of power distribution network |
| CN112421629A (en) * | 2020-11-27 | 2021-02-26 | 广东电网有限责任公司佛山供电局 | Self-adaptive distributed feeder automation fault processing method |
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