CN117353315B

CN117353315B - Device for controlling power generation voltage based on transient fluctuation of photovoltaic and wind power generation voltage

Info

Publication number: CN117353315B
Application number: CN202311390021.4A
Authority: CN
Inventors: 丁盛; 蒋媛; 王云
Original assignee: Xiaertela Shanghai New Energy Technology Co ltd
Current assignee: Xiaertela Shanghai New Energy Technology Co ltd
Priority date: 2023-10-25
Filing date: 2023-10-25
Publication date: 2024-04-26
Anticipated expiration: 2043-10-25
Also published as: CN117353315A

Abstract

The invention discloses a device for controlling power generation voltage based on transient fluctuation of photovoltaic and wind power generation voltage, and belongs to the technical field of power generation voltage control. The invention solves the problem that the existing voltage is difficult to control, and the photovoltaic power generation voltage value and the wind power generation voltage value are respectively compared and detected with a photovoltaic detection threshold value and a wind power detection threshold value by collecting the power generation voltage values of the photovoltaic base station and the wind power base station, so that a photovoltaic voltage transient fluctuation detection result and a wind power transient fluctuation detection result are obtained, and abnormal detection results are screened out; if the wind power voltage test result shows abnormality, voltage adjustment is carried out on abnormal points in the wind power base station by utilizing AVR automatic voltage adjustment equipment; otherwise, voltage adjustment is carried out on an abnormal detection point in the photovoltaic base station by using inverter equipment; therefore, transient fluctuation of the generated voltage in the photovoltaic base station and the wind power base station is controlled, so that the generated energy loss is reduced, and the electric power conduction efficiency is improved.

Description

Device for controlling power generation voltage based on transient fluctuation of photovoltaic and wind power generation voltage

Technical Field

The invention relates to the technical field of power generation voltage control, in particular to a device for controlling power generation voltage based on transient fluctuation of photovoltaic and wind power generation voltage.

Background

At present, the demand of the society on electric power resources is increasing, and the demand of users on an electric power system is also increasing. To cope with the social demand for electricity, various forms of power generation systems such as hydroelectric power generation, wind power generation, and photovoltaic power generation are now being sought after.

However, in the use process of the existing wind power generation and photovoltaic power generation, because the length difference between the collecting lines is large in large-scale photovoltaic and wind power generation projects, the voltages from different collecting lines to the booster station are inconsistent due to the inconsistency of light resources and wind resources, voltage differences exist, circulation is easy to form, and electric quantity loss is caused.

Therefore, the existing requirements are not met, and a device for controlling the power generation voltage based on the transient fluctuation of the photovoltaic and wind power generation voltage is provided.

Disclosure of Invention

The invention aims to provide a device for controlling power generation voltage based on transient fluctuation of photovoltaic and wind power generation voltage, which is characterized in that the power generation voltage value of a photovoltaic base station and the power generation voltage value of a wind power base station are collected, and the photovoltaic power generation voltage value and the wind power generation voltage value are respectively compared and detected with a photovoltaic detection threshold value and a wind power detection threshold value, so that a photovoltaic voltage transient fluctuation detection result and a wind power transient fluctuation detection result are obtained, and an abnormal detection result is screened out; if the wind power voltage test result shows abnormality, voltage adjustment is carried out on abnormal points in the wind power base station by utilizing AVR automatic voltage adjustment equipment; otherwise, voltage adjustment is carried out on an abnormal detection point in the photovoltaic base station by using inverter equipment; therefore, transient fluctuation of power generation voltage in the photovoltaic base station and the wind power base station is controlled, so that the power generation loss is reduced, the power transmission efficiency is improved, and the problems in the background technology are solved.

In order to achieve the above purpose, the present invention provides the following technical solutions: a device for controlling power generation voltage based on photovoltaic, wind power generation voltage transient fluctuation, comprising:

the multi-path voltage acquisition unit is used for acquiring the photovoltaic grid-connected power generation voltage and the wind power grid-connected power generation voltage in real time based on the voltage acquisition recorder, so as to obtain a photovoltaic power generation voltage value and a wind power generation voltage value, and the two voltage values are transmitted to the voltage inspection unit and the data storage unit for inspection and storage;

the voltage checking unit is used for comparing and checking the received photovoltaic power generation voltage value and wind power generation voltage value with a preset photovoltaic voltage threshold value and a preset wind power voltage threshold value in sequence, so as to respectively obtain a photovoltaic voltage transient fluctuation checking result and a wind power voltage transient fluctuation checking result, and respectively transmitting the two types of detection results to the voltage regulation and control unit for regulation;

The voltage regulation and control unit is used for sending a control instruction to the adjustment equipment based on the received two types of voltage detection results, carrying out voltage adjustment on an abnormal transient fluctuation voltage section in the detection results by using the adjustment equipment, and sequentially transmitting the control instruction and the adjustment results to the intelligent terminal for display;

The data storage unit is used for correspondingly storing the photovoltaic power generation voltage value, the wind power generation voltage value, the photovoltaic voltage transient fluctuation test result, the wind power voltage transient fluctuation test result and the abnormal voltage regulation result according to relevance to be used as a voltage transient fluctuation processing database;

the intelligent terminal is used for receiving control instructions and adjustment results sent by the voltage regulation and control unit based on a wireless communication technology, displaying the control instructions and the adjustment results in a mode of combining images and characters on a display screen, and timely broadcasting and early warning on abnormal transient fluctuation voltage segments through an alarm.

Further, the multi-path voltage acquisition unit includes:

The fixed point setting module is used for acquiring the field distribution data of the power transmission lines of the photovoltaic base station and the wind power base station, setting a plurality of acquisition points for the power transmission lines of the photovoltaic base station and the wind power base station respectively based on the acquired field data and used for acquiring multi-path voltage data at fixed points;

The voltage acquisition module is used for respectively acquiring a photovoltaic fixed-point voltage value and a wind fixed-point voltage value by using a voltage acquisition recorder based on a plurality of acquisition points as acquisition paths;

The voltage transmission module is used for sequentially transmitting the photovoltaic fixed-point voltage value and the wind fixed-point voltage value acquired by the voltage acquisition module to the voltage inspection unit and the data storage unit for inspection and storage.

Further, the voltage checking unit includes:

the sample acquisition module is used for acquiring multiple groups of effective voltage data of the conventional photovoltaic base station and the wind power base station, and taking the multiple groups of voltage data as a photovoltaic training sample set and a wind power training sample set;

The model training module is used for sequentially importing a plurality of groups of photovoltaic training sample sets and wind power training sample sets into a pre-established neural network model for training, so that a plurality of groups of photovoltaic training results and wind power training results are obtained, and one training result which accords with a photovoltaic normal power generation state and a wind power normal power generation state is selected as a photovoltaic test threshold value and a wind power test threshold value respectively;

the voltage testing module is used for respectively comparing and detecting the received photovoltaic power generation voltage value with the photovoltaic testing threshold value and the wind power generation voltage value with the wind power testing threshold value based on the photovoltaic testing threshold value and the wind power testing threshold value obtained by the model training module, so as to respectively obtain a photovoltaic voltage transient fluctuation testing result and a wind power voltage transient fluctuation testing result;

The result transmission module is used for sequentially transmitting the photovoltaic voltage transient fluctuation test result and the wind power voltage transient fluctuation test result which are respectively obtained to the voltage regulation unit and the data storage unit for regulation and storage.

Further, the voltage regulation unit includes:

The data analysis module is used for analyzing the received obtained photovoltaic voltage transient fluctuation test result and the wind power voltage transient fluctuation test result, displaying the test result which does not exceed the test threshold as a normal test result, and displaying the test result which exceeds or falls below the test threshold as an abnormal test result;

The command adjustment module is used for inquiring a detection point corresponding to the abnormal detection result based on the detection result and sending a voltage adjustment command to corresponding automatic voltage adjustment equipment (AVR) or the automatic voltage adjustment equipment (AVR);

The inverter device is used for adjusting the voltage of the voltage transient fluctuation abnormal detection point in the photovoltaic base station so as to ensure that the voltage of the output end of the photovoltaic base station is kept at a preset level;

the AVR automatic voltage regulating device is used for regulating the voltage of the voltage transient fluctuation abnormal detection point in the wind power base station so as to ensure that the voltage of the output end of the wind power base station is kept at a preset level.

Further, the data storage unit includes:

The data receiving module is used for receiving a plurality of groups of power generation voltage values, voltage transient fluctuation test results and abnormal voltage regulation results of the light Fu Jizhan and the wind power base station;

The data classification module is used for distinguishing the received data according to photovoltaic power generation and wind power generation;

The data storage module is used for storing the differentiated photovoltaic power generation voltage data and the differentiated wind power generation voltage data.

Further, the data classification module includes:

The key data element determining submodule is used for determining a first key data element corresponding to the differentiated photovoltaic power generation after the photovoltaic power generation and the wind power generation are differentiated, and determining a second key data element corresponding to the differentiated wind power generation;

a distance calculation sub-module for calculating the first target distance between each piece of differentiated photovoltaic power generation voltage data and the first key data element, and calculating the second target distance between each piece of wind power generation voltage data and the second key data element

The range determination submodule is used for acquiring a first target range based on the first key data element and acquiring a second target range based on the second key data element;

the photovoltaic power generation voltage data classification qualification judging sub-module is used for:

Inputting each first target distance into a first target range for comparison, and judging whether the photovoltaic power generation voltage data are classified as qualified or not;

when each first target distance belongs to a first target range, judging that the photovoltaic power generation voltage data is qualified in classification;

When the first target distance does not belong to the first target range, judging that the classification of the photovoltaic power generation voltage data is unqualified, and determining abnormal photovoltaic power generation voltage data;

Calculating a third target distance between the abnormal photovoltaic power generation voltage data and the second key data element, and comparing the third target distance with a second target range;

dividing the abnormal photovoltaic power generation voltage data into wind power generation voltage data when the third target distance belongs to the second target range;

Deleting the abnormal photovoltaic power generation voltage data when the third target distance does not belong to the second target range;

the wind power generation voltage data classification qualification judging submodule is used for:

Inputting each second target distance into a second target range for comparison, and judging whether the wind power generation voltage data are classified as qualified or not;

When each second target distance belongs to the second target range, judging that the wind power generation voltage data is qualified in classification;

when the second target is that the distance does not belong to the second target range, judging that the wind power generation voltage data is unqualified in classification, and determining abnormal wind power generation voltage data;

calculating a fourth target distance between the abnormal wind power generation voltage data and the first key data element, and comparing the fourth target distance with the first target range;

when the fourth target distance belongs to the first target range, dividing the abnormal wind power generation voltage data into photovoltaic power generation voltage data;

deleting the abnormal wind power generation voltage data when the fourth target distance does not belong to the first target range;

The first classification module is used for distinguishing various voltage data of the received light Fu Jizhan and the wind power base station, so that the voltage data of the photovoltaic base station and the voltage data of the wind power base station are obtained;

The second classification module is used for classifying the generated voltage value, the voltage transient fluctuation test result and the abnormal voltage regulation result in the voltage data of the photovoltaic base station and the voltage data of the wind power base station, so as to obtain the generated voltage value, the voltage transient fluctuation test result and the abnormal voltage regulation result of the photovoltaic base station, and the generated voltage value, the voltage transient fluctuation test result and the abnormal voltage regulation result of the wind power base station.

Further, the intelligent terminal includes:

the wireless receiving module is used for receiving the control instruction and the adjustment result sent by the voltage regulation and control unit based on a wireless communication technology;

The state display module is used for displaying control instructions and adjusting results in a mode of combining images and characters based on display screen equipment;

and the abnormal alarm module is used for timely broadcasting and early warning the abnormal transient fluctuation voltage section based on the alarm.

Further, the status display module includes:

The result acquisition and analysis sub-module is used for:

Acquiring a control instruction and an adjustment result which are received based on a wireless communication technology, discretizing the received control instruction to obtain control instruction elements corresponding to the control instruction at different moments, carrying out semantic analysis on the control instruction to obtain a target semantic text corresponding to the control instruction, and determining instruction structure characteristics of the control instruction based on semantic characteristics of the target semantic text;

Traversing control instruction elements corresponding to different moments based on the instruction structure characteristics, determining execution instruction elements based on the traversing result, obtaining execution quantization values corresponding to the execution instruction elements based on the target semantic text, and simultaneously, arranging the execution quantization values corresponding to the different execution instruction elements based on time information corresponding to the execution instruction elements to obtain an instruction text to be mapped;

an image generation sub-module for:

Analyzing the adjustment result to obtain amplitude values corresponding to the abnormal transient fluctuation voltage segments at different moments, determining intervention points corresponding to the control instructions based on the amplitude values, and dividing the abnormal transient fluctuation voltage segments into an unsteady state area and a steady state area based on the intervention points;

the method comprises the steps of performing visual display on an unsteady-state area and a steady-state area of an abnormal transient fluctuation voltage segment in the same line diagram based on amplitude values, obtaining a voltage display diagram based on a visual display result, simultaneously obtaining a voltage type corresponding to a current abnormal transient fluctuation voltage segment, and performing category marking on the voltage display diagram based on a voltage type text corresponding to the voltage type to obtain an image to be displayed;

a display sub-module for:

Mapping the instruction text to be mapped to the image to be displayed based on the time sequence to obtain corresponding relations between voltage variation at different moments and execution quantization values of execution instruction elements, and performing text conversion on the corresponding relations to obtain the text to be displayed;

And carrying out association binding on the image to be displayed and the text to be displayed, and displaying the image to be displayed and the text to be displayed on display screen equipment in the intelligent terminal based on an association binding result.

Further, the instruction adjusting module is based on the detection result, and sends a voltage adjusting instruction to the corresponding AVR automatic voltage adjusting device or the AVR automatic voltage adjusting device, specifically:

if the photovoltaic voltage transient fluctuation test result and the wind power voltage transient fluctuation test result are both normal, the command adjustment module does not send out a command;

If the photovoltaic voltage transient fluctuation test result is normal and the wind power voltage transient fluctuation test result shows abnormality, sending an adjustment instruction to the AVR automatic voltage adjustment device through the instruction adjustment module, and performing voltage adjustment on a voltage transient fluctuation abnormality detection point in the wind power base station by using the AVR automatic voltage adjustment device;

if the photovoltaic voltage transient fluctuation test result shows abnormality, the wind power voltage transient fluctuation test result is normal, an adjusting instruction is sent to the inverter equipment through the instruction adjusting module, and the voltage of the voltage transient fluctuation abnormal detection point in the photovoltaic base station is adjusted through the inverter equipment.

Further, the voltage regulation unit further includes:

The calculation module is used for responding to the control instruction based on the adjustment equipment when the control instruction is sent to the adjustment equipment, acquiring response parameters, and calculating the response rate of the adjustment equipment to the control instruction based on the response parameters;

；

Wherein v represents the response rate of the adjusting device to the control instruction; τ_1 represents a first time value at which the adjustment device receives the control instruction; s represents the data quantity corresponding to the control instruction; ρ_1 represents a first influence factor, and the value range is (0.01,0.03); τ_2 represents a second time value for the adjustment device to parse the control instruction; ρ2 represents a second influencing factor, and the value range is (0.01,0.03); τ_3 represents a third time value when the adjustment device executes the control instruction; ρ2 represents a third influencing factor, and the value range is (0.01,0.03);

An optimization determination module, configured to:

comparing the response rate with a preset response rate threshold value, and judging whether the adjustment equipment needs to be optimized or not;

when the response rate is equal to or greater than a preset response rate threshold, judging that the adjusting equipment needs to be optimized;

otherwise, judging that the adjusting equipment is not required to be optimized;

and the alarm signal generation module is used for generating an alarm signal when the adjusting equipment is required to be optimized, and sending the alarm signal to the user monitoring terminal.

Compared with the prior art, the invention has the beneficial effects that:

According to the invention, the model is trained by collecting the power generation voltage values of the photovoltaic base station and the wind power base station and utilizing the previous collected data, so that a photovoltaic inspection threshold value and a wind power inspection threshold value are respectively obtained; comparing and detecting the photovoltaic power generation voltage value and the wind power generation voltage value with a photovoltaic detection threshold value and a wind power detection threshold value respectively, thereby obtaining a photovoltaic voltage transient fluctuation detection result and a wind power voltage transient fluctuation detection result; analyzing the results, and screening out abnormal detection results; if the wind power voltage transient fluctuation test result shows abnormality, voltage adjustment is carried out on a voltage transient fluctuation abnormality detection point in the wind power base station by utilizing an AVR automatic voltage adjustment device; otherwise, voltage adjustment is carried out on a voltage transient fluctuation abnormal detection point in the photovoltaic base station by using inverter equipment; therefore, transient fluctuation of the generated voltage in the photovoltaic base station and the wind power base station is controlled, so that the generated energy loss is reduced, and the electric power conduction efficiency is improved.

The first key data element corresponding to the photovoltaic power generation is obtained from the second key data element corresponding to the wind power generation, so that calculation of the first target distance and the second target distance is effectively performed, classification judgment of the photovoltaic power generation and the wind power generation is realized through the first target range and the second target range, and further accurate verification of distinguishing the photovoltaic power generation and the wind power generation is guaranteed, and purity and effectiveness of photovoltaic power generation voltage data and wind power generation voltage data are effectively guaranteed.

The method comprises the steps of analyzing a received control instruction and an adjustment result, accurately and effectively determining execution quantization values of the control instruction at different moments, effectively determining texts of the instruction to be mapped, simultaneously determining intervention points of the control instruction in the adjustment result, dividing the adjustment result into an unstable state area and a stable state area according to the intervention points, visually displaying the unstable state area and the stable state area in a line diagram, accurately and effectively acquiring an image to be displayed, finally, carrying out association binding on the texts of the instruction to be mapped and the image to be displayed, effectively displaying the association binding results in display screen equipment of an intelligent terminal, effectively determining the images and the texts, and conveniently and intuitively viewing control conditions of abnormal transient fluctuation voltage segments at different moments by management personnel, and guaranteeing control effects on the abnormal transient fluctuation voltage segments.

Drawings

FIG. 1 is a schematic diagram of a device for controlling power generation voltage based on transient fluctuation of photovoltaic and wind power generation voltage according to the present invention;

FIG. 2 is a diagram of a data classification module according to the present invention;

FIG. 3 is a diagram showing the components of a status display module according to the present invention;

fig. 4 is a diagram showing the composition of the voltage regulating unit according to the present invention.

Description of the embodiments

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In order to solve the technical problems that in the use process of the existing wind power generation and the existing photovoltaic power generation, as the length difference between the current collecting lines is large in large-scale photovoltaic power generation projects and the light resources and wind resources are inconsistent, voltages from different current collecting lines to the booster station are inconsistent, voltage differences exist, circulation is easy to form, and electric quantity loss is caused, please refer to fig. 1-4, the embodiment provides the following technical scheme:

a device for controlling power generation voltage based on photovoltaic, wind power generation voltage transient fluctuation, comprising:

The multi-path voltage acquisition unit is used for acquiring the photovoltaic grid-connected power generation voltage and the wind power grid-connected power generation voltage in real time based on the voltage acquisition recorder, so as to obtain a photovoltaic power generation voltage value and a wind power generation voltage value, and the two voltage values are transmitted to the voltage inspection unit and the data storage unit for inspection and storage; specifically, the voltage of the power transmission network in the photovoltaic base station and the wind power base station is detected in real time, so that real-time data of the power generation voltages of the photovoltaic base station and the wind power base station are obtained, and whether the current power generation voltages of the photovoltaic base station and the wind power base station have the phenomenon of voltage transient fluctuation or not is judged based on the data, so that the stability of power transmission from the photovoltaic base station and the wind power base station to the booster station is ensured.

The voltage checking unit is used for comparing and checking the received photovoltaic power generation voltage value and wind power generation voltage value with a preset photovoltaic voltage threshold value and a preset wind power voltage threshold value in sequence, so as to respectively obtain a photovoltaic voltage transient fluctuation checking result and a wind power voltage transient fluctuation checking result, and respectively transmitting the two types of detection results to the voltage regulation and control unit for regulation; specifically, comparing and detecting the voltage values of the photovoltaic power generation and the wind power generation with preset thresholds respectively, and if the result shows that the voltage value is in the threshold range, indicating that the power generation voltage of the current detection point is in a normal state; if the result shows that the voltage value exceeds or is lower than the threshold value range, the generated voltage at the current detection point is in an abnormal state, so that the voltage adjustment is timely carried out on the abnormal detection point, the generation voltage transient fluctuation is prevented, and the operation of the booster station is prevented from being influenced.

The voltage regulation and control unit is used for sending a control instruction to the adjustment equipment based on the received two types of voltage detection results, carrying out voltage adjustment on an abnormal transient fluctuation voltage section in the detection results by using the adjustment equipment, and sequentially transmitting the control instruction and the adjustment results to the intelligent terminal for display; specifically, the abnormal detection result is screened out, a detection point corresponding to the abnormal detection result is searched, and the voltage of the abnormal detection point is timely adjusted by using the adjusting equipment so as to ensure that the current voltage is at a preset level.

The data storage unit is used for correspondingly storing the photovoltaic power generation voltage value, the wind power generation voltage value, the photovoltaic voltage transient fluctuation test result, the wind power voltage transient fluctuation test result and the abnormal voltage regulation result according to relevance to be used as a voltage transient fluctuation processing database; specifically, the voltage value, the voltage transient fluctuation test result and the regulation result which are collected by the photovoltaic base station and the wind power base station are stored in a correlation manner, so that a photovoltaic and wind power voltage database is formed, and a data basis is provided for later voltage regulation work; and the system is used for backing up the acquired data for inquiring and knowing.

The working principle of the above matters is as follows: the method comprises the steps of training a model by collecting power generation voltage values of a photovoltaic base station and a wind power base station and utilizing previous collected data, so as to obtain a photovoltaic inspection threshold value and a wind power inspection threshold value respectively; comparing and detecting the photovoltaic power generation voltage value and the wind power generation voltage value with a photovoltaic detection threshold value and a wind power detection threshold value respectively, thereby obtaining a photovoltaic voltage transient fluctuation detection result and a wind power voltage transient fluctuation detection result; analyzing the results, and screening out abnormal detection results; if the wind power voltage transient fluctuation test result shows abnormality, voltage adjustment is carried out on a voltage transient fluctuation abnormality detection point in the wind power base station by utilizing an AVR automatic voltage adjustment device; otherwise, voltage adjustment is carried out on a voltage transient fluctuation abnormal detection point in the photovoltaic base station by using inverter equipment; therefore, transient fluctuation of the generated voltage in the photovoltaic base station and the wind power base station is controlled, so that the generated energy loss is reduced, and the electric power conduction efficiency is improved.

The multichannel voltage acquisition unit includes:

The fixed point setting module is used for acquiring the field distribution data of the power transmission lines of the photovoltaic base station and the wind power base station, setting a plurality of acquisition points for the power transmission lines of the photovoltaic base station and the wind power base station respectively based on the acquired field data and used for acquiring multi-path voltage data at fixed points; in one embodiment, such as: the power transmission line of the photovoltaic base station is sequentially set by the fixed point setting module: g1, G2, G3 and G4 detection points are set for the power transmission line of the wind power base station in sequence: f1, F2, F3, F4 detection points, thereby serving as voltage detection points of the photovoltaic base station and the wind power base station; the positions of the eight detection points are all at important node positions in the power transmission lines of the photovoltaic base station and the wind power base station so as to ensure the validity of the detected voltage data.

The voltage acquisition module is used for respectively acquiring a photovoltaic fixed-point voltage value and a wind fixed-point voltage value by using a voltage acquisition recorder based on a plurality of acquisition points as acquisition paths; the above embodiments are followed, for example: the voltage value collection is carried out on the G1, G2, G3 and G4 detection points and the F1, F2, F3 and F4 detection points through a voltage collection recorder, so that the photovoltaic voltage values are obtained respectively: g1/n, G2/n, G3/n, G4/n, wind voltage value: f1/n, F2/n, F3/n and F4/n, wherein n is any natural number and represents a specific voltage value.

The voltage transmission module is used for sequentially transmitting the photovoltaic fixed-point voltage value and the wind fixed-point voltage value acquired by the voltage acquisition module to the voltage inspection unit and the data storage unit for inspection and storage; the above embodiments are followed, for example: and G1/n, G2/n, G3/n, G4/n and F1/n, F2/n, F3/n and F4/n are respectively transmitted to a voltage checking unit and a data storage unit through a voltage transmission module for checking and storing.

The voltage checking unit includes:

The sample acquisition module is used for acquiring multiple groups of effective voltage data of the conventional photovoltaic base station and the wind power base station, and taking the multiple groups of voltage data as a photovoltaic training sample set and a wind power training sample set; specifically, by acquiring a plurality of groups of past classical voltage data in the data storage unit as training samples, the selected voltage data are all data which accord with the normal state of the power generation voltage.

The model training module is used for sequentially importing a plurality of groups of photovoltaic training sample sets and wind power training sample sets into a pre-established neural network model for training, so that a plurality of groups of photovoltaic training results and wind power training results are obtained, and one training result which accords with a photovoltaic normal power generation state and a wind power normal power generation state is selected as a photovoltaic test threshold value and a wind power test threshold value respectively; the above embodiments are followed, for example: the voltage values of the previous G1, G2, G3 and G4 and the voltage values of the previous F1, F2, F3 and F4 are selected as training sample sets, and the voltage values of the G1, G2, G3, G4, F1, F2, F3 and F4 are sequentially transmitted to a neural network model for training, so that a photovoltaic test threshold value is obtained: gy and wind check threshold: fy.

The voltage testing module is used for respectively comparing and detecting the received photovoltaic power generation voltage value with the photovoltaic testing threshold value and the wind power generation voltage value with the wind power testing threshold value based on the photovoltaic testing threshold value and the wind power testing threshold value obtained by the model training module, so as to respectively obtain a photovoltaic voltage transient fluctuation testing result and a wind power voltage transient fluctuation testing result; the above embodiments are followed, for example: obtaining a photovoltaic inspection threshold value through a model training module: gy and wind check threshold: fy; if Gy is: 36v to 600v, fy is: 500V to 690V, photovoltaic voltage values are: G1/500V, G2/510V, G/520V, G/530V, the wind power voltage value is: F1/600V, F/610V, F/620V, F/630V; as can be seen from the above, the voltage values of the current photovoltaic detection points G1, G2, G3, G4 and the wind detection points F1, F2, F3, F4 are all within the respective threshold ranges, which indicates that the current photovoltaic base station and the wind base station generate no transient fluctuation; and by analogy, comparing and checking the voltage values of all detection points, so as to judge whether the power generation voltages of the photovoltaic base station and the wind power base station have voltage transient fluctuation phenomenon or not.

The voltage regulation unit includes:

The data analysis module is used for analyzing the received obtained photovoltaic voltage transient fluctuation test result and the wind power transient fluctuation test result, displaying the test result which does not exceed the test threshold as a normal test result, and displaying the test result which exceeds or falls below the test threshold as an abnormal test result.

The command adjustment module is used for inquiring a detection point corresponding to the abnormal detection result based on the detection result and sending a voltage adjustment command to corresponding automatic voltage adjustment equipment (AVR) or the automatic voltage adjustment equipment (AVR); the method comprises the following steps:

if the photovoltaic voltage transient fluctuation test result and the wind power voltage transient fluctuation test result are both normal, the command adjustment module does not send out a command; the above embodiments are followed, for example: gy is: 36v to 600v, fy is: 500V to 690V, the current photovoltaic voltage value is: G1/500V, G2/510V, G/520V, G/530V, the wind power voltage value is: F1/600V, F/610V, F/620V, F/630V; as can be seen from the above, the voltage values of the current photovoltaic detection points G1, G2, G3, G4 and the wind detection points F1, F2, F3, F4 are all within the respective threshold ranges, which indicates that the current photovoltaic base station and the wind base station generate voltage without transient fluctuation, so that the current generation voltage does not need to be interfered.

If the photovoltaic voltage transient fluctuation test result is normal and the wind power voltage transient fluctuation test result shows abnormality, sending an adjustment instruction to the AVR automatic voltage adjustment device through the instruction adjustment module, and performing voltage adjustment on a voltage transient fluctuation abnormality detection point in the wind power base station by using the AVR automatic voltage adjustment device; the inverter device is used for adjusting the voltage of the voltage transient fluctuation abnormal detection point in the photovoltaic base station so as to ensure that the voltage of the output end of the photovoltaic base station is kept at a preset level; the above embodiments are followed, for example: gy is: 36v to 600v, fy is: 500V to 690V, the current photovoltaic voltage value is: G1/500V, G2/510V, G/520V, G/610V, wind power voltage value is: F1/600V, F/610V, F/620V, F/630V; as can be seen from the above, the voltage values of the current photovoltaic detection points G1, G2, G3 and the wind power detection points F1, F2, F3, F4 are all within the respective threshold ranges, but the voltage value of the photovoltaic detection point G4 exceeds the photovoltaic threshold Gy range, which indicates that the current photovoltaic base station power generation voltage generates transient fluctuation; therefore, interference needs to be carried out on the G4 power generation voltage in the current photovoltaic base station; then a control command is sent to the inverter device through the command adjustment module, and the generated voltage of the photovoltaic detection point G4 is adjusted by the inverter device until the generated voltage of the photovoltaic detection point G4 is kept at a predetermined level.

If the photovoltaic voltage transient fluctuation test result shows abnormality, the wind power voltage transient fluctuation test result is normal, an adjusting instruction is sent to the inverter equipment through the instruction adjusting module, and the voltage of a voltage transient fluctuation abnormal detection point in the photovoltaic base station is adjusted through the inverter equipment; the AVR automatic voltage regulating device is used for regulating the voltage of the voltage transient fluctuation abnormal detection point in the wind power base station so as to ensure that the voltage of the output end of the wind power base station is kept at a preset level; the above embodiments are followed, for example: gy is: 36v to 600v, fy is: 500V to 690V, the current photovoltaic voltage value is: G1/500V, G2/510V, G/520V, G/530V, the wind power voltage value is: F1/700V, F2/610V, F/620V, F/630V; as can be seen from the above, the voltage values of the current photovoltaic detection points G1, G2, G3, G4 and the wind detection points F2, F3, F4 are all within the respective threshold value range, but the voltage value of the wind detection point F1 exceeds the wind threshold value Fy range, which indicates that the current wind power base station power generation voltage generates transient fluctuation; therefore, interference is required to be carried out on the F1 power generation voltage in the current wind power base station; then a control command is sent to the AVR automatic voltage adjusting device through the command adjusting module, and the AVR automatic voltage adjusting device adjusts the power generation voltage of the wind power detection point F1 until the power generation voltage of the wind power detection point F1 is kept at a preset level.

The data storage unit includes:

The data classification module is used for distinguishing the received data according to photovoltaic power generation and wind power generation; the data classification module comprises:

The first classification module is used for distinguishing various voltage data of the received light Fu Jizhan and the wind power base station, so that the voltage data of the photovoltaic base station and the voltage data of the wind power base station are obtained; specifically, by classifying the acquired voltage data as: and respectively establishing not less than three folders in the photovoltaic base station voltage database and the photovoltaic base station voltage database.

The second classification module is used for classifying the generated voltage value, the voltage transient fluctuation test result and the abnormal voltage regulation result in the voltage data of the photovoltaic base station and the voltage data of the wind power base station, so as to obtain the generated voltage value, the voltage transient fluctuation test result and the abnormal voltage regulation result of the photovoltaic base station and the generated voltage value, the voltage transient fluctuation test result and the abnormal voltage regulation result of the wind power base station; specifically, the generated voltage value, the voltage transient fluctuation test result and the abnormal voltage regulation result are respectively stored in folders in respective databases, so that a voltage file, a test file and a regulation file are formed.

The intelligent terminal includes:

And the wireless receiving module is used for receiving the control instruction and the adjustment result sent by the voltage regulation and control unit based on the wireless communication technology.

The state display module is used for displaying control instructions and adjusting results in a mode of combining images and characters based on display screen equipment; the above embodiments are followed, for example: displaying the power transmission lines of the photovoltaic base station and the wind power base station in a geographic image through display screen equipment, and respectively marking the detection points G1, G2, G3 and G4 and the detection points F1, F2, F3 and F4 with red points; after the comparison detection processing, if any detection point is abnormal, the red point is subjected to flashing reminding.

The embodiment also provides a device for controlling the power generation voltage based on the transient fluctuation of the photovoltaic power generation voltage and the wind power generation voltage, which is characterized in that the data classification module further comprises:

and deleting the abnormal wind power generation voltage data when the fourth target distance does not belong to the first target range.

In this embodiment, the first key data element and the second key data element may be center data representing characteristics of photovoltaic power generation and center data representing wind power generation, respectively.

In this embodiment, the first target distance may be a degree of association that characterizes that the current photovoltaic power generation voltage data belongs to a category to which the first key data element belongs, where the shorter the first target distance is, the greater the degree of association that belongs to the category to which the first key data element belongs is determined.

In this embodiment, the second target distance may be a degree of association that characterizes that the current wind power generation voltage data belongs to a category to which the second key data element belongs, wherein the shorter the second target distance is, the greater the degree of association that belongs to the category to which the second key data element belongs is determined.

In this embodiment, the third target distance may be a degree of association that characterizes that the current abnormal photovoltaic power generation voltage data belongs to a category to which the first key data element belongs.

In this embodiment, the fourth target distance may be a degree of association characterizing that the current abnormal wind power generation voltage data belongs to a category to which the second key data element belongs.

In this embodiment, the first target range may be set in advance, and the maximum range that can be attributed to the first key data element is represented; the second target range may be a pre-set, characterizing a maximum range that can be attributed to the second key data element.

In this embodiment, the abnormal photovoltaic power generation voltage data may be data that does not belong to the first target range among the discriminated photovoltaic power generation voltage data.

In this embodiment, the abnormal wind power generation voltage data may be data that does not belong to the second target range among the discriminated wind power generation voltage data.

The working principle and the beneficial effects of the technical scheme are as follows: the first key data element corresponding to the photovoltaic power generation is obtained from the second key data element corresponding to the wind power generation, so that calculation of the first target distance and the second target distance is effectively performed, classification judgment of the photovoltaic power generation and the wind power generation is realized through the first target range and the second target range, and further accurate verification of distinguishing the photovoltaic power generation and the wind power generation is guaranteed, and purity and effectiveness of photovoltaic power generation voltage data and wind power generation voltage data are effectively guaranteed.

The embodiment also provides a device for controlling the power generation voltage based on the transient fluctuation of the photovoltaic and wind power generation voltage, which is characterized in that: a status display module, comprising:

The result acquisition and analysis sub-module is used for:

an image generation sub-module for:

a display sub-module for:

In this embodiment, the control instruction element may be a different instruction character contained in the control instruction.

In this embodiment, the purpose of semantic parsing is to obtain the control purpose that the control instruction needs to achieve, that is, a specific value that needs to control the device to control the voltage drop or rise.

In this embodiment, the target semantic text may be a corresponding instruction text content obtained by performing semantic analysis on the control instruction, so as to determine an instruction structure feature of the control instruction, thereby facilitating screening of execution instruction elements from the control instruction elements.

In this embodiment, the semantic features may be specific semantic content of the target semantic text representation, that is, the control purposes to be finally achieved by the different control instruction elements and the positions of the different control instruction elements in the control instruction.

In this embodiment, the instruction structure feature may be a specific position of a control instruction element of a different control type in the control instruction, and so on.

In this embodiment, the execution command element may be a control command element for adjusting the voltage by the actual control device, and is not unique.

In this embodiment, the execution quantization value may be a specific execution degree of executing the quantization value characterization, for example, may be a specific value of the control device to increase or decrease the voltage adjustment.

In this embodiment, the instruction text to be mapped may be instruction text information that can be critical to the image corresponding to the abnormal transient fluctuation voltage segment after the execution quantization values of the execution instructions at different moments are arranged.

In this embodiment, the intervention point may be a position at which the control command controls the device to adjust the abnormal transient surge voltage segment.

In this embodiment, the non-steady-state region may be a value region corresponding to an abnormal voltage in the abnormal transient fluctuation voltage segment, and the steady-state region may be a value region corresponding to an adjusted voltage and meeting a voltage threshold requirement.

In this embodiment, the voltage type text may be "photovoltaic voltage" and "wind voltage".

In this embodiment, the image to be displayed may be an image that displays the voltage value conditions at different moments in a line graph and can be directly displayed in a display screen device after being marked by a voltage type text.

In this embodiment, the text to be displayed refers to converting the correspondence into data capable of being displayed, that is, text content that needs to be displayed in the display screen device.

The working principle and the beneficial effects of the technical scheme are as follows: the method comprises the steps of analyzing a received control instruction and an adjustment result, accurately and effectively determining execution quantization values of the control instruction at different moments, effectively determining texts of the instruction to be mapped, simultaneously determining intervention points of the control instruction in the adjustment result, dividing the adjustment result into an unstable state area and a stable state area according to the intervention points, visually displaying the unstable state area and the stable state area in a line diagram, accurately and effectively acquiring an image to be displayed, finally, carrying out association binding on the texts of the instruction to be mapped and the image to be displayed, effectively displaying the association binding results in display screen equipment of an intelligent terminal, effectively determining the images and the texts, and conveniently and intuitively viewing control conditions of abnormal transient fluctuation voltage segments at different moments by management personnel, and guaranteeing control effects on the abnormal transient fluctuation voltage segments.

The embodiment also provides a voltage regulation unit, including:

；

An optimization determination module, configured to:

In this embodiment, the response parameters include: the time parameter of the control instruction received by the adjusting device, the time parameter of the control instruction analyzed by the adjusting device after the control instruction is received, and the time parameter of the control instruction executed by the adjusting device after the control instruction is analyzed.

In this embodiment, the first influence factor, the second influence factor, and the third influence factor are all set in advance, where the first influence factor is used to represent a value obtained by quantizing influence factors such as a reception delay and a reception error that affect the adjustment device when receiving the control instruction; the second influence factor is used for representing a quantized value of influence factors such as analysis errors and the like existing when the adjusting equipment analyzes the control instruction; the third influencing factor is used for representing a value obtained by quantizing influencing factors such as an execution error when the adjusting device executes the control instruction; the calculation of the response efficiency based on the first influence factor, the second influence factor and the third influence factor can ensure that the calculated result has more objectivity and effectiveness.

In this embodiment, the preset response rate threshold may be a measurement set in advance to measure whether the adjustment device needs to be optimized.

In this embodiment, the alarm signal may be, for example, a generated prompting signal when the adjustment device needs to be optimized, for example, an alarm short message may be generated and then transmitted to the user monitoring terminal to implement reading of the alarm short message, and the user may check the adjustment device in time according to the alarm signal to implement optimization of the adjustment device.

The working principle and the beneficial effects of the technical scheme are as follows: the response rate of the adjusting equipment for responding to the control instruction is calculated, so that whether the adjusting equipment needs to be optimized or not is accurately judged based on a preset response rate threshold, supervision of the adjusting equipment is realized, and the operation efficiency of the adjusting equipment is further effectively guaranteed.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The device for controlling the power generation voltage based on the transient fluctuation of the photovoltaic and wind power generation voltage is characterized by comprising:

The intelligent terminal is used for receiving the control instruction and the adjustment result sent by the voltage regulation and control unit based on the wireless communication technology, displaying the control instruction and the adjustment result in a mode of combining images and characters on a display screen, and timely broadcasting and early warning the abnormal transient fluctuation voltage section through an alarm;

The voltage regulation unit includes:

；

wherein, Representing a response rate at which the regulating device responds to the control instruction; /(I)A first time value representing the receipt of the control instruction by the adjustment device; /(I)Representing the data quantity corresponding to the control instruction; /(I)Representing a first influence factor, wherein the value range is 0.01,0.03; /(I)A second time value representing the control command analyzed by the adjusting device; /(I)Representing a second influence factor, and the value range is 0.01,0.03; /(I)A third time value representing when the control instruction is executed by the adjustment device; /(I)Representing a third influence factor, wherein the value range is 0.01,0.03;

the optimization judging module is used for comparing the response rate with a preset response rate threshold value and judging whether the adjusting equipment needs to be optimized or not; when the response rate is equal to or greater than a preset response rate threshold, judging that the adjusting equipment needs to be optimized; otherwise, judging that the adjusting equipment is not required to be optimized;

The alarm signal generation module is used for generating an alarm signal when the adjustment equipment is required to be optimized, and sending the alarm signal to the user monitoring terminal;

the intelligent terminal includes:

The abnormal alarm module is used for timely broadcasting and early warning the abnormal transient fluctuation voltage section based on the alarm;

The status display module includes:

The result acquisition and analysis sub-module is used for acquiring a control instruction and an adjustment result which are received based on a wireless communication technology, discretizing the received control instruction to obtain control instruction elements corresponding to the control instruction at different moments, carrying out semantic analysis on the control instruction to obtain a target semantic text corresponding to the control instruction, and determining the instruction structure characteristics of the control instruction based on the semantic characteristics of the target semantic text; traversing control instruction elements corresponding to different moments based on the instruction structure characteristics, determining execution instruction elements based on the traversing result, obtaining execution quantization values corresponding to the execution instruction elements based on the target semantic text, and simultaneously, arranging the execution quantization values corresponding to the different execution instruction elements based on time information corresponding to the execution instruction elements to obtain an instruction text to be mapped;

The image generation sub-module is used for analyzing the adjustment result to obtain the amplitude values corresponding to the abnormal transient fluctuation voltage segments at different moments, determining the intervention points corresponding to the control instructions based on the amplitude values, and dividing the abnormal transient fluctuation voltage segments into an unsteady state area and a steady state area based on the intervention points; the method comprises the steps of performing visual display on an unsteady-state area and a steady-state area of an abnormal transient fluctuation voltage segment in the same line diagram based on amplitude values, obtaining a voltage display diagram based on a visual display result, simultaneously obtaining a voltage type corresponding to a current abnormal transient fluctuation voltage segment, and performing category marking on the voltage display diagram based on a voltage type text corresponding to the voltage type to obtain an image to be displayed;

The display sub-module is used for mapping the instruction text to be mapped to the image to be displayed based on the time sequence, obtaining the corresponding relation between the voltage variation at different moments and the execution quantization value of the execution instruction element, and converting the corresponding relation into text to obtain the text to be displayed; and carrying out association binding on the image to be displayed and the text to be displayed, and displaying the image to be displayed and the text to be displayed on display screen equipment in the intelligent terminal based on an association binding result.

2. The photovoltaic, wind power generation voltage transient fluctuation based power generation voltage control device according to claim 1, wherein: the multichannel voltage acquisition unit includes:

3. The photovoltaic, wind power generation voltage transient fluctuation based power generation voltage control device according to claim 1, wherein: the voltage checking unit includes:

4. The photovoltaic, wind power generation voltage transient fluctuation based power generation voltage control device according to claim 1, wherein: the voltage regulation unit further includes:

5. The photovoltaic, wind power generation voltage transient fluctuation based power generation voltage control device according to claim 1, wherein: the data storage unit includes:

6. The photovoltaic, wind power generation voltage transient fluctuation based power generation voltage control device of claim 5, wherein the data classification module comprises:

7. The photovoltaic, wind power generation voltage transient fluctuation based power generation voltage control device according to claim 4, wherein: the instruction adjusting module is based on the detection result and sends a voltage adjusting instruction to the corresponding AVR automatic voltage adjusting equipment or the AVR automatic voltage adjusting equipment, and the method specifically comprises the following steps: