阅读说明：本技术 一种用于空压站的改善电能质量的系统及方法 (System and method for improving electric energy quality for air compression station ) 是由 孙小琴 胡培生 唐祯祥 于 2021-09-07 设计创作，主要内容包括：本发明公开了一种用于空压站的改善电能质量的系统及方法,属于空压站用电技术领域,包括服务器,服务器通信连接有调压模块,所述调压模块用于对空压站的输入电压进行调整,根据空压站的输入电压建立实时电压图,在实时电压图中设置电压调整线和趋势单元,当电压值超过电压调整线时,通过趋势单元评估电压曲线的走势,并将评估的走势标记在对应的评估点上；设置调压模型,将电压曲线和走势标记输入到调压模型中,获得调压值,根据调压值对空压站的输入电压进行调整；通过先评估电压的走势,为后续的电压调整提供依据,可以最大程度的减少调整次数。(The invention discloses a system and a method for improving electric energy quality of an air compression station, belonging to the technical field of power utilization of the air compression station, and comprising a server, wherein the server is in communication connection with a voltage regulating module, the voltage regulating module is used for regulating the input voltage of the air compression station, establishing a real-time voltage diagram according to the input voltage of the air compression station, arranging a voltage regulating line and a trend unit in the real-time voltage diagram, evaluating the trend of a voltage curve through the trend unit when the voltage value exceeds the voltage regulating line, and marking the evaluated trend on a corresponding evaluation point; setting a voltage regulating model, inputting a voltage curve and a trend mark into the voltage regulating model to obtain a voltage regulating value, and regulating the input voltage of the air compression station according to the voltage regulating value; by evaluating the trend of the voltage first, a basis is provided for subsequent voltage adjustment, and the adjustment times can be reduced to the greatest extent.)

1. The utility model provides a system for be used for improvement electric energy quality of air compression station, includes the server, its characterized in that, server communication connection has the pressure regulating module, the pressure regulating module is used for adjusting the input voltage of air compression station, and concrete method includes:

establishing a real-time voltage graph according to the input voltage of the air compression station, arranging a voltage adjusting line and a trend unit in the real-time voltage graph, evaluating the trend of a voltage curve through the trend unit when the voltage value exceeds the voltage adjusting line, and marking the evaluated trend on a corresponding evaluation point;

and setting a voltage regulating model, inputting the voltage curve and the tendency mark into the voltage regulating model to obtain a voltage regulating value, and regulating the input voltage of the air compression station according to the voltage regulating value.

2. The system for improving the quality of electric energy for the air compression station as recited in claim 1, wherein the voltage adjustment line is two parallel straight lines in a real-time voltage diagram.

3. The system for improving the power quality of the air compression station as claimed in claim 1, wherein the server is communicatively connected with a power analysis module, the power analysis module is used for analyzing the power used by the air compression station, and the specific method comprises the following steps:

acquiring regional information of the location of an air compression station, and further acquiring a power supply type in the regional information, wherein the power supply type is marked as i; setting power supply influence coefficient Pi, obtaining erection cost Li and unit price Ki of the power supply, and obtaining the power supply influence coefficient Pi according to a formulaAnd obtaining a priority value Qi, sequencing according to the priority value Qi to form a priority value table, and sending the priority value table to a user.

4. The system for improving the power quality of the air compression station as claimed in claim 3, wherein b1, b2 and b3 are all proportionality coefficients and have the value range of (0, 1).

5. The system for improving the power quality of the air compression station as recited in claim 1, wherein the server is communicatively connected with a device analysis module, the device analysis module is used for analyzing the used devices in the air compression station, and the specific method comprises the following steps:

acquiring a device list and a necessary device list in the air compression station, further acquiring a non-necessary device list, and marking the non-necessary device as an analysis device;

obtaining harmonic information of analysis equipment, marking the analysis equipment generating harmonic as harmonic equipment, obtaining equipment information which has the same function and does not generate harmonic from the Internet, sorting and marking the equipment information as replacement equipment, setting a similarity model, obtaining the equipment information of the replacement equipment and equipment information of corresponding analysis equipment, integrating and marking the equipment information as similar input data, inputting the similar input data into the similarity model, obtaining a similarity value of the replacement equipment, and setting a similarity recommendation value;

and integrating the replacement equipment with the similarity value exceeding the similarity recommendation value into an input equipment replacement recommendation table, and sending the equipment replacement recommendation table to the user.

6. The system for improving the quality of electric energy for the air compression station as recited in claim 5, wherein the equipment information includes a shape, a volume, and a price.

7. The system for improving the power quality of the air compression station as claimed in claim 5, wherein the replacement information of the user in the air compression station is obtained in real time, the replacement information comprises replacement completion and replacement incompletion, and when the replacement is obtained, the active power filter is arranged in the air compression station.

8. A method for improving power quality of an air compression station, which is applied to the system for improving power quality of the air compression station as claimed in any one of claims 1 to 7, wherein the method for improving power quality comprises:

the method comprises the following steps: analyzing the power supply used by the air compression station and recommending the power supply to a user;

step two: replacing equipment generating harmonic waves in the air compression station, and performing harmonic wave cancellation;

step three: the input voltage of the air compression station is adjusted.

Technical Field

The invention belongs to the technical field of electricity utilization of air compression stations, and particularly relates to a system and a method for improving electric energy quality of an air compression station.

Background

The air compression station is a compressed air station and consists of an air compressor, an air storage tank, air treatment and purification equipment and a cold dryer. Compressed air is used as the most environment-friendly power source in industrial production, is widely applied to various industries such as medicine, food, machinery, electronics, plastics, textile, electric power, building materials and the like, has the unique advantage compared with voltage and oil pressure, is inexhaustible and inexhaustible, and is basically provided with an air compression station in each factory.

However, in the use process of the air compression station, the fact that the power quality has great influence on the operation of the air compression station is found, the failure of the power quality may cause equipment in the air compression station to be in fault and cannot normally operate, the failure of the power quality mainly refers to voltage, current amplitude or frequency deviation which causes the equipment of a power user to be in fault or cannot normally operate, and the failure of the power quality is a concrete representation of the operation state of a power system. The quality of electric energy is an indispensable assessment index of a modern electric power system, and is an important guarantee for normal electricity utilization of users in relation to whether a power grid can safely operate.

Therefore, there is a need to provide a system and a method for improving power quality of an air compression station, which improve power quality in the air compression station.

Disclosure of Invention

In order to solve the problems of the scheme, the invention provides a system and a method for improving the power quality of an air compression station.

The purpose of the invention can be realized by the following technical scheme:

the utility model provides a system for be used for improvement electric energy quality of air compression station, includes the server, and server communication connection has the pressure regulating module, the pressure regulating module is used for adjusting the input voltage of air compression station, and concrete method includes:

establishing a real-time voltage graph according to the input voltage of the air compression station, arranging a voltage adjusting line and a trend unit in the real-time voltage graph, evaluating the trend of a voltage curve through the trend unit when the voltage value exceeds the voltage adjusting line, and marking the evaluated trend on a corresponding evaluation point;

and setting a voltage regulating model, inputting the voltage curve and the tendency mark into the voltage regulating model to obtain a voltage regulating value, and regulating the input voltage of the air compression station according to the voltage regulating value.

Further, the voltage adjusting lines are two parallel straight lines in the real-time voltage diagram.

Further, the server is in communication connection with a power analysis module, the power analysis module is used for analyzing the power supply used by the air compression station, and the specific method comprises the following steps:

acquiring regional information of the location of an air compression station, and further acquiring a power supply type in the regional information, wherein the power supply type is marked as i; setting power influence coefficient Pi, obtaining erection cost Li of a power supply, obtaining unit price Ki of the power supply, and obtaining the power supply influence coefficient Pi according to a formulaAnd obtaining a priority value Qi, sequencing according to the priority value Qi to form a priority value table, and sending the priority value table to a user.

Furthermore, b1, b2 and b3 are all proportionality coefficients, and the value ranges are all (0, 1).

Further, the server is in communication connection with an equipment analysis module, the equipment analysis module is used for analyzing the used equipment in the air compression station, and the specific method comprises the following steps:

acquiring a device list and a necessary device list in the air compression station, further acquiring a non-necessary device list, and marking the non-necessary device as an analysis device;

obtaining harmonic information of analysis equipment, marking the analysis equipment generating harmonic as harmonic equipment, obtaining equipment information which has the same function and does not generate harmonic from the Internet, sorting and marking the equipment information as replacement equipment, setting a similarity model, obtaining the equipment information of the replacement equipment and equipment information of corresponding analysis equipment, integrating and marking the equipment information as similar input data, inputting the similar input data into the similarity model, obtaining a similarity value of the replacement equipment, and setting a similarity recommendation value;

and integrating the replacement equipment with the similarity value exceeding the similarity recommendation value into an input equipment replacement recommendation table, and sending the equipment replacement recommendation table to the user.

Further, the device information includes the shape, volume, price.

Further, replacement information of the user in the air compression station is acquired in real time, the replacement information comprises replacement completion and replacement incompletion, and when the replacement is acquired, an active power filter is arranged in the air compression station.

A method for improving the quality of electric energy for an air compression station comprises the following steps:

the method comprises the following steps: analyzing the power supply used by the air compression station and recommending the power supply to a user;

step two: replacing equipment generating harmonic waves in the air compression station, and performing harmonic wave cancellation;

step three: the input voltage of the air compression station is adjusted.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic block diagram of the present invention.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, 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 invention.

As shown in fig. 1, a system for improving power quality for an air compression station includes a power analysis module, an equipment analysis module, a voltage regulation module, and a server; the power analysis module, the equipment analysis module and the voltage regulation module are all in communication connection with the server;

the power analysis module is used for analyzing a power supply used by the air compression station, wherein the power supply used by the air compression station is the power supply which can be used by the air compression station, and the specific method comprises the following steps:

acquiring regional information of the location of an air compression station, wherein the regional information of the location of the air compression station is power supply information in the location of the air compression station, the power supply information comprises distributed power supplies, non-distributed power supplies and corresponding specific power supply types, and further acquiring the power supply type in the regional information, wherein the power supply type is marked as i, wherein i is 1, 2, … … and n is a positive integer;

setting a power source influence coefficient Pi, wherein the power source influence coefficient Pi is set by an expert group according to the influence of various distributed power sources and non-distributed power sources on the electric energy quality, because one of the current important influence factors on the electric energy quality is the distributed power source, the distributed power source is influenced by factors such as environment and climatic conditions, user requirements and the like, and the distributed power source is started, stopped and switched, the uncertainty of the distributed power source is easy to cause obvious voltage fluctuation and flicker of a power distribution network; meanwhile, the interaction between the control equipment of the distributed power supply and the feedback link can also directly or indirectly cause voltage flicker, so that the influence of the available power supply of the air compression station on the electric energy quality needs to be estimated and used as an important reference direction; acquiring the erection cost Li of the power supply, wherein the erection cost Li of the power supply is the cost for connecting the power supply to the air compression station, and is the estimated cost which is equivalent to the engineering cost; obtaining unit price Ki of power supply according to formulaObtaining a priority value Qi, wherein b1, b2 and b3 are all proportionality coefficients, and the value ranges are all (0, 1); sorting according to the height of the priority value Qi to form a priority value table, and sending the priority value table to a user; the user selects a power supply used by the air compression station according to the priority value table;

by combining with actual conditions, a proper power supply is recommended for a user, and the power quality is improved from the source;

the equipment analysis module is used for analyzing the used equipment in the air compression station, and the specific method comprises the following steps:

acquiring a device list and a necessary device list in the air compression station, wherein the necessary device refers to a device which must exist in the air compression station and is not replaceable, for example, an air compressor is a necessary device, and a lighting device is a non-necessary device and can be replaced or replaced; further acquiring a list of unnecessary devices, and marking the unnecessary devices as analysis devices;

obtaining harmonic information of the analysis equipment, wherein the harmonic information is whether the corresponding analysis equipment generates harmonic waves or not, and the size and the quantity of the generated harmonic waves; marking the analysis equipment generating the harmonic as harmonic equipment, such as an energy-saving lamp, acquiring equipment information which has the same function and does not generate the harmonic from the Internet, sorting and marking the equipment information as replacement equipment, setting a similarity model, wherein the similarity model is obtained by training a neural network model, and training by taking the equipment information of the replacement equipment, the equipment information corresponding to the analysis equipment and the correspondingly set similarity as a training set, wherein the equipment information comprises the shape, the volume and the price, and the shape refers to the outline of the equipment; setting the similarity is a conventional technology in the field, so detailed description is not described in the invention, the equipment information of the replacement equipment and the equipment information of the corresponding analysis equipment are obtained, the equipment information is integrated and marked as similar input data, the similar input data is input into a similarity model, the similarity value of the replacement equipment is obtained, a similarity recommendation value is set, the similarity recommendation value is discussed and set by a technician of a user, and before the user is set, an initial similarity recommendation value is provided, and the initial similarity recommendation value is an average value of the similarity recommendation values set by the user in the same system according to big data statistics;

integrating the replacement equipment with the similarity value exceeding the similarity recommendation value into an input table, marking the replacement equipment as an equipment replacement recommendation table, and sending the equipment replacement recommendation table to a user; the power quality is improved by reducing the use of equipment capable of generating harmonic waves;

the method comprises the steps of acquiring replacement information of a user in the air compression station in real time, wherein the replacement information comprises replacement completion and replacement incompletion, and when the replacement is acquired, arranging an active power filter in the air compression station, wherein the type of the active power filter can be ANAPF150-380/BGL, and the active power filter is used for tracking and compensating dynamically-changed harmonic current in real time and improving the quality of electric energy in the air compression station.

The voltage regulating module is used for regulating the input voltage of the air compression station, and the specific method comprises the following steps:

the method comprises the steps of acquiring input voltage of an air compression station in real time, establishing a real-time voltage graph according to the acquired input voltage, setting voltage adjusting lines in the real-time voltage graph, wherein the voltage adjusting lines are two parallel straight lines, the voltage adjusting lines are set according to a use voltage interval of the air compressor in the air compression station, the use voltage interval is set by an expert group according to specification models and performances of the air compressor, a trend unit is arranged in the real-time voltage graph, when the voltage value exceeds the voltage adjusting lines, the voltage value is equivalent to the voltage value not between the two voltage adjusting lines, the trend of a voltage curve is evaluated through the trend unit, the voltage curve is a voltage value line in the real-time voltage graph, and the trend comprises an ascending trend, a descending trend and a flat trend; marking the estimated trend on a corresponding estimation point, wherein the estimation point is the point of which voltage curve is estimated;

the trend unit real-time evaluation voltage curve trend principle is a machine learning principle, by setting unit section time which is a period of time before an evaluation point and is more than three minutes, trend information in the unit section time in a historical real-time voltage graph is obtained, the trend information comprises a voltage value curve, an evaluation point voltage, an evaluation point time and a trend of a corresponding evaluation point next, the evaluation effective time is more than five minutes and less than ten minutes, and the evaluation trend is the trend in the evaluation effective time; training the neural network model by taking a plurality of trend information as a training set to finally obtain a trend unit, and evaluating the trend of the voltage curve in real time by the trend unit;

setting a voltage regulating model, inputting a voltage curve and a trend mark into the voltage regulating model to obtain a voltage regulating value, and regulating the input voltage of the air compression station according to the voltage regulating value; the voltage regulation model is a neural network model and is trained by taking a voltage curve, a tendency mark and a correspondingly set voltage regulation value as a training set.

By evaluating the trend of the voltage first and providing basis for subsequent voltage adjustment, the adjustment times can be reduced to the greatest extent, for example: the trend is a descending trend, the voltage can be automatically reduced without adjustment when the voltage is adjusted on the upper voltage adjusting line, the voltage can be maximally increased when the voltage is adjusted on the lower voltage adjusting line, the situation that the voltage is increased a little and then the voltage is quickly passed, so that frequent adjustment is caused and the power quality is influenced, and the adjustment times are required to be reduced because the voltage is adjusted and the power quality is influenced.

A method for improving the quality of electric energy for an air compression station comprises the following steps:

the method comprises the following steps: analyzing the power supply used by the air compression station and recommending the power supply to a user;

acquiring regional information of the location of an air compression station, and further acquiring a power supply type in the regional information, wherein the power supply type is marked as i, wherein i is 1, 2, … … and n, and n is a positive integer;

setting power influence coefficient Pi, obtaining erection cost Li of a power supply, obtaining unit price Ki of the power supply, and obtaining the power supply influence coefficient Pi according to a formulaObtaining a priority value Qi, wherein b1, b2 and b3 are all proportionality coefficients, and the value ranges are all (0, 1); sorting according to the height of the priority value Qi to form a priority value table, and sending the priority value table to a user;

step two: replacing equipment generating harmonic waves in the air compression station, and performing harmonic wave cancellation;

acquiring a device list and a necessary device list in the air compression station, further acquiring a non-necessary device list, and marking the non-necessary device as an analysis device;

obtaining harmonic information of analysis equipment, marking the analysis equipment generating harmonic as harmonic equipment, obtaining equipment information which has the same function and does not generate harmonic from the Internet, sorting and marking the equipment information as replacement equipment, and setting a similarity model, wherein the equipment information comprises the shape, the volume and the price; acquiring equipment information of the replacement equipment and equipment information corresponding to the analysis equipment, integrating and marking the equipment information as similar input data, inputting the similar input data into a similarity model to obtain a similarity value of the replacement equipment, and setting a similarity recommendation value;

the replacement equipment with the similarity value exceeding the similarity recommendation value is marked as an equipment replacement recommendation table in an integrated mode, and the equipment replacement recommendation table is sent to the user;

and acquiring replacement information of the user in the air compression station in real time, wherein the replacement information comprises replacement completion and replacement incompletion, and when the replacement is acquired, setting an active power filter.

Step three: adjusting the input voltage of the air compression station;

the method comprises the steps of acquiring input voltage of the air compression station in real time, establishing a real-time voltage graph according to the acquired input voltage, setting a voltage adjusting line in the real-time voltage graph, setting a trend unit in the real-time voltage graph, evaluating the trend of a voltage curve through the trend unit when the voltage value exceeds the voltage adjusting line, and marking the evaluated trend on a corresponding evaluation point;

and setting a voltage regulating model, inputting the voltage curve and the tendency mark into the voltage regulating model to obtain a voltage regulating value, and regulating the input voltage of the air compression station according to the voltage regulating value.

The above formulas are all calculated by removing dimensions and taking numerical values thereof, the formula is a formula which is obtained by acquiring a large amount of data and performing software simulation to obtain the closest real situation, and the preset parameters and the preset threshold value in the formula are set by the technical personnel in the field according to the actual situation or obtained by simulating a large amount of data.

In the embodiments provided by the present invention, it should be understood that the disclosed apparatus, device and method can be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the modules is only one logical functional division, and there may be other divisions when the actual implementation is performed; the modules described as separate parts may or may not be physically separate, and parts displayed as modules 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 modules may be selected according to actual needs to achieve the purpose of the method of the embodiment.

It will also be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof.

The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims shall not be construed as limiting the claim concerned.

Furthermore, it is obvious that the word "comprising" does not exclude other elements or steps, and the singular does not exclude the plural. A plurality of units or means recited in the system claims may also be implemented by one unit or means in software or hardware. The terms second, etc. are used to denote names, but not any particular order.

Finally, it should be noted that the above examples are only intended to illustrate the technical process of the present invention and not to limit the same, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical process of the present invention without departing from the spirit and scope of the technical process of the present invention.