CN111444238A - Distributed photovoltaic retrieval method and system - Google Patents
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Abstract
The invention relates to a distributed photovoltaic retrieval method, which comprises the following steps: building a photovoltaic model; establishing a topological relation between the distributed photovoltaic data and a power distribution network; acquiring a retrieval instruction; acquiring retrieval elements, and selecting a retrieval mode according to the number of the retrieval elements; and displaying the retrieval result. The invention has the beneficial effects that: the distributed photovoltaic retrieval method and the distributed photovoltaic retrieval system are provided, distributed photovoltaic data required by the calculation of the operation mode of the power grid are quickly retrieved through voice instructions or text instructions, the preparation time of the distributed photovoltaic data is shortened, and the calculation efficiency is improved.
Description
Technical Field
The patent relates to the field of power grid dispatching control, in particular to a distributed photovoltaic artificial intelligence retrieval method.
Background
The distributed photovoltaic power generation is particularly characterized in that the distributed photovoltaic power generation facility is built near a user site, the operation mode is characterized in that the user side automatically uses the power, the surplus electric quantity is on the internet, and the balance adjustment is carried out on a power distribution system. The distributed photovoltaic power generation follows the principles of local conditions, cleanness, high efficiency, scattered layout and near utilization, fully utilizes local solar energy resources, and replaces and reduces fossil energy consumption.
At present, distributed photovoltaic is rapidly developed, the photovoltaic output ratio is continuously increased, inaccurate calculation results are caused by neglecting the distributed photovoltaic output in the daily calculation process of a power grid operation mode, higher requirements are put forward for distributed photovoltaic data management, when the power grid operation mode is calculated, relevant data such as the capacity and the output size of the distributed photovoltaic related to voltage, a feeder line, a main transformer and a bus need to be rapidly acquired, when the data are acquired in a daily mode, corresponding statistics, summarization and classification need to be carried out by means of an EXCE L tool, the process is complex, the data preparation period is long, when the distributed photovoltaic data change, data updating needs to be completed manually, and the efficiency is low.
Disclosure of Invention
The invention aims to solve the problems that the statistical results of various distributed photovoltaic parameters, measurement and the like need to be manually inquired and counted, the efficiency is low, the speed is low and the like, and provides a distributed photovoltaic retrieval method and a distributed photovoltaic retrieval system which are used for intelligently extracting, counting and outputting required photovoltaic information in the calculation process of a power grid operation mode, effectively shorten the photovoltaic data preparation time in power grid calculation and improve the data preparation efficiency.
The technical scheme adopted by the invention for solving the technical problems is as follows: a distributed photovoltaic retrieval method comprises the following steps:
step S1, constructing a photovoltaic model;
step S2, establishing a topological relation between the distributed photovoltaic data and the power distribution network;
step S3, acquiring a retrieval instruction;
step S4, acquiring search elements, and selecting a search mode according to the number of the search elements;
step S5, the search result is displayed.
The photovoltaic model is a technical basis of distributed photovoltaic retrieval, the photovoltaic model can be retrieved according to a power grid model, namely a transformer substation, a voltage class, a bus, a main transformer, a feeder line and the like, by establishing a topological relation between distributed photovoltaic data and a power distribution network, and the retrieval mode is selected through retrieval elements, so that the retrieval flexibility is improved.
Preferably, in step S4, the search elements include a search object, a search range, and a search condition, and after a search element of a search instruction is acquired, the search element of the search instruction is stored in the storage space, if a new search instruction is not received within a preset time, the stored search element is deleted, and if a new search instruction is received within a preset time, the original search element is retained and the search element of the new search instruction is stored.
Preferably, in step S4, after a search element of a search instruction is acquired, it is determined whether there is a search object, a search range, and a search condition, and if so, a search is performed according to the search object, the search range, and the search condition of the current search instruction; if not, carrying out multiple rounds of searching.
Preferably, when searching for a plurality of times, judging whether the search element in the storage space can supplement the search element of the current search instruction so that the search element of the current search instruction comprises a search object, a search range and a search condition, and if so, searching according to the search object, the search range and the search condition obtained after supplement; if not, the missing search elements are supplemented by the preset information and confirmed by the user. By supplementing missing retrieval elements, the current retrieval instruction can be retrieved, the retrieval flexibility is improved, and meanwhile, the complexity caused by inputting repeated instructions is avoided.
Preferably, when a plurality of search elements of the same type exist in the storage space, the latest search element is retained, and other search elements of the same type are deleted. The uniqueness of the retrieval object, the retrieval range and the retrieval condition in the storage space is ensured, and the uncontrollable retrieval result caused by the appearance of a plurality of retrieval elements of the same type is avoided.
A distributed photovoltaic retrieval system comprises a server, a storage and an input and output module, wherein the server executes the following steps when in work:
step S01, obtaining a retrieval instruction through an input/output module;
step S02, analyzing the search element in the search instruction and storing the search element in the memory;
step S03, selecting a retrieval mode according to the retrieval elements in the current retrieval instruction;
and step S04, searching by adopting the selected searching mode and outputting the result through the input and output module.
The invention has the beneficial effects that: the distributed photovoltaic retrieval method and the distributed photovoltaic retrieval system are provided, distributed photovoltaic data required by the calculation of the operation mode of the power grid are quickly retrieved through voice instructions or text instructions, the preparation time of the distributed photovoltaic data is shortened, and the calculation efficiency is improved.
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Fig. 1 is a schematic flow chart of a distributed photovoltaic retrieval method in an embodiment.
Detailed Description
The technical solution of the present invention will be further specifically described below by way of specific examples.
Example (b):
a distributed photovoltaic retrieval method in this embodiment, as shown in fig. 1, includes the following steps:
s1, building a photovoltaic model, wherein the photovoltaic model is a technical basis of artificial intelligence voice retrieval, the building of the photovoltaic model compatible with the D L/T890.301-2015 standard is a premise of ensuring that the photovoltaic can be retrieved according to the power grid information, and a CIM (common information model) in IEC61970/61968 is adopted in the embodiment;
step S2, establishing a topological relation between the distributed photovoltaic data and the power distribution network, in order to enable the photovoltaic information to be inquired out according to various retrieval conditions required by power grid calculation, standardizing the photovoltaic data according to a photovoltaic model besides establishing the distributed photovoltaic model, and establishing topological photovoltaics with a power grid feeder line;
step S3, acquiring a retrieval instruction, acquiring a voice retrieval instruction through a microphone, or acquiring a character retrieval instruction through a keyboard, wherein the retrieval instruction needs to satisfy four criteria, namely a qualitative criterion (the instruction is real information expression), a quantitative criterion (the instruction needs to contain enough information), a related criterion (the instruction is related to the current scene), a mode criterion (the instruction is clear), and in addition, the instruction also needs to contain a swap role and a virtual role of a retrieval system, and is used for awakening the retrieval system;
step S4, acquiring search elements, and selecting a search mode according to the number of the search elements; for the voice retrieval instruction, firstly, processing voice to convert the voice retrieval instruction into a character retrieval instruction; the method comprises the steps of analyzing a character retrieval instruction, obtaining retrieval elements in the character retrieval instruction, wherein the retrieval elements comprise retrieval objects, retrieval ranges and retrieval conditions, storing the retrieval elements of one retrieval instruction into a storage space after obtaining the retrieval elements of the one retrieval instruction, deleting the stored retrieval elements if a new retrieval instruction is not received within a preset time, and retaining the original retrieval elements and storing the retrieval elements of the new retrieval instruction if the new retrieval instruction is received within the preset time, wherein the preset time is 5 minutes in the embodiment. When a plurality of retrieval elements of the same type exist in the storage space, the latest retrieval element is reserved, and other retrieval elements of the same type are deleted. At most, the machine storage space has only one retrieval object, one retrieval condition and one retrieval range. The condition that a plurality of retrieval elements of the same type exist to cause non-unique retrieval results is avoided;
meanwhile, after a retrieval element of a retrieval instruction is obtained, whether a retrieval object, a retrieval range and a retrieval condition exist is judged, and if yes, retrieval is carried out according to the retrieval object, the retrieval range and the retrieval condition of the current retrieval instruction; if not, performing multiple rounds of retrieval; such as: "what is the little light, land 5846 access photovoltaic capacity? "in the search instruction, the small light is the virtual character name of the search system, is used for waking up the search system, the search object is" photovoltaic capacity ", the search range is" land 5846 ", and the search condition is" access photovoltaic capacity ", and the search instruction has the search object, the search range, and the search condition, so that the search is directly performed according to the search object, the search range, and the search condition.
When searching for a plurality of times, judging whether the search elements in the storage space can supplement the search elements of the current search instruction or not, so that the search elements of the current search instruction comprise a search object, a search range and a search condition, and if so, searching according to the search object, the search range and the search condition obtained after supplement; if not, supplementing the missing search elements by using preset information and confirming the missing search elements by a user; such as: "what is the little light, land 5846 access photovoltaic capacity? "," small light, a total of several stations of 3 MW? For a first retrieval instruction, the requirement of a retrieval element is met, and a retrieval result is directly given; for the second retrieval instruction, the retrieval is adjusted to be 3MW, the retrieval object is 'the number of optical storage power stations', a retrieval range is lacked, if the interval between the two instructions is within the preset time, namely within 5 minutes, the retrieval range 'land 5846' in the first instruction is taken as the retrieval range of the second instruction to supplement the retrieval elements of the second instruction, the supplemented instruction 'the total stations of 3MW in the land 5846' is obtained, the requirement of the retrieval elements is met, and a retrieval result is given; if the two commands are separated by more than 5 minutes, the preset search range "land 5888" is supplemented into the second command, resulting in the command "3 MW of total stations in land 5888".
And step S5, displaying the search result, and displaying the search result in the form of voice, characters, graphs or the like after the search result is obtained.
The embodiment further provides a distributed photovoltaic retrieval system, which includes a server, a memory and an input/output module, where the server executes the following steps in operation:
step S01, obtaining a retrieval instruction through an input/output module;
step S02, analyzing the search element in the search instruction and storing the search element in the memory;
step S03, selecting a retrieval mode according to the retrieval elements in the current retrieval instruction;
and step S04, searching by adopting the selected searching mode and outputting the result through the input and output module.
The above-described embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the spirit of the invention as set forth in the claims.
Claims (6)
1. A distributed photovoltaic retrieval method is characterized by comprising the following steps:
step S1, constructing a photovoltaic model;
step S2, establishing a topological relation between the distributed photovoltaic data and the power distribution network;
step S3, acquiring a retrieval instruction;
step S4, acquiring search elements, and selecting a search mode according to the number of the search elements;
step S5, the search result is displayed.
2. The distributed photovoltaic search method according to claim 1, wherein in step S4, the search elements include a search object, a search range, and a search condition, and after a search element of a search instruction is obtained, the search element of the search instruction is stored in the storage space, and if a new search instruction is not received within a preset time, the stored search element is deleted, and if a new search instruction is received within a preset time, the original search element is retained and the search element of the new search instruction is stored.
3. The distributed photovoltaic retrieval method of claim 2, wherein in step S4, after a retrieval element of a retrieval instruction is obtained, it is determined whether there is a retrieval object, a retrieval range, and a retrieval condition, and if yes, retrieval is performed according to the retrieval object, the retrieval range, and the retrieval condition of the current retrieval instruction; if not, carrying out multiple rounds of searching.
4. The distributed photovoltaic retrieval method of claim 3, wherein when performing retrieval for multiple times, it is determined whether the retrieval element in the storage space can supplement the retrieval element of the current retrieval instruction so that the retrieval element of the current retrieval instruction includes a retrieval object, a retrieval range and a retrieval condition, and if so, retrieval is performed according to the retrieval object, the retrieval range and the retrieval condition obtained after supplementation; if not, the missing search elements are supplemented by the preset information and confirmed by the user.
5. A distributed photovoltaic retrieval method according to claim 2, 3 or 4, wherein when a plurality of retrieval elements of the same type exist in the storage space, the latest retrieval element is retained, and other retrieval elements of the same type are deleted.
6. A distributed photovoltaic retrieval system, comprising a server, a memory and an input-output module, wherein the server performs the following steps when in operation:
step S01, obtaining a retrieval instruction through an input/output module;
step S02, analyzing the search element in the search instruction and storing the search element in the memory;
step S03, selecting a retrieval mode according to the retrieval elements in the current retrieval instruction;
and step S04, searching by adopting the selected searching mode and outputting the result through the input and output module.
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Application publication date: 20200724 |