CN111678242A - Transformer substation power utilization control method based on microenvironment parameter monitoring - Google Patents
Transformer substation power utilization control method based on microenvironment parameter monitoring Download PDFInfo
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/46—Improving electric energy efficiency or saving
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/88—Electrical aspects, e.g. circuits
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2120/00—Control inputs relating to users or occupants
- F24F2120/10—Occupancy
- F24F2120/12—Position of occupants
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
- Y04S20/221—General power management systems
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
- Y04S20/242—Home appliances
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
- Y04S20/242—Home appliances
- Y04S20/244—Home appliances the home appliances being or involving heating ventilating and air conditioning [HVAC] units
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
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Abstract
The invention discloses a substation power utilization control method based on microenvironment parameter monitoring, which comprises the following steps: acquiring power load data of substation power equipment in specific time, and acquiring an air conditioning system with the largest power consumption ratio in a power system based on the power load data; judging whether the air conditioning equipment is in a runnable state or not through an infrared human body detector based on the air conditioning equipment distributed to the indoor by the air conditioning system; after the air conditioning equipment is judged to be in a running state, human body parameters of indoor workers are collected based on the infrared human body detector, and indoor environment parameters are monitored based on the temperature and humidity tester; and adjusting the operation parameters of the air conditioning system through the environmental parameters and the human body parameters. The embodiment of the invention provides convenience for equipment operation and maintenance personnel, can improve the overall power utilization level of the transformer substation, and prolongs the service life of the power utilization equipment in the transformer substation.
Description
Technical Field
The invention relates to the technical field of electric power, in particular to a substation power utilization control method based on microenvironment parameter monitoring.
Background
Along with the improvement of the intelligent level, the number of protection, control and measurement devices in the transformer substation is large, the operating environment of the transformer substation is generally high in requirement, and an air conditioning system is usually required to be arranged in consideration of providing convenience conditions for equipment operation and maintenance personnel in construction operation, but certain energy consumption is caused at the same time. Therefore, the control mode of the air conditioning system in the substation needs to be continuously optimized to improve the economic benefit of the energy efficiency of the power consumption of the substation.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a substation power utilization control method based on microenvironment parameter monitoring.
In order to solve the problems, the invention provides a substation power utilization control method based on microenvironment parameter monitoring, which comprises the following steps:
acquiring power load data of substation power equipment in specific time, and acquiring an air conditioning system with the largest power consumption ratio in a power system based on the power load data;
judging whether the air conditioning equipment is in a runnable state or not through an infrared human body detector based on the air conditioning equipment distributed to the indoor by the air conditioning system;
after the air conditioning equipment is judged to be in a running state, human body parameters of indoor workers are collected based on the infrared human body detector, and indoor environment parameters are monitored based on the temperature and humidity tester;
and adjusting the operation parameters of the air conditioning equipment according to the environmental parameters and the human body parameters.
Optionally, the station power utilization system includes a station transformer system, a main transformer cooling system, an air conditioning system, a lighting system, a dc power supply system, a UPS power supply system, and a communication power supply system.
Optionally, the determining, based on the infrared human body detector, whether the air conditioning device is in an operable state includes:
judging whether a worker exists indoors or not based on the infrared human body detector;
if the working personnel exist in the room, the air conditioning equipment is in a running state;
and if the condition that no working personnel exist in the room is judged, the air conditioning equipment is in a non-operational state, and the air conditioning equipment is controlled to stop working.
Optionally, the environmental parameter includes an environmental temperature and an environmental humidity, and the human parameter includes a human body temperature and human body heartbeat data.
Optionally, before adjusting the operating parameter of the air conditioning equipment, the method includes:
acquiring the current human body comfortable temperature of indoor workers;
based on the difference operation of the current human body comfortable temperature and the environment temperature, acquiring the somatosensory temperature difference of indoor workers;
and judging whether the operation parameters of the air conditioning equipment need to be adjusted or not based on the somatosensory temperature difference.
Optionally, judging whether to need to adjust the operating parameter of the air conditioning equipment based on the somatosensory temperature difference includes:
comparing the somatosensory temperature difference with a preset temperature difference threshold range, and confirming the somatosensory cold and hot grade of the indoor workers;
if the sensible heat and cold level of the indoor worker is comfortable, maintaining the operating parameters of the air conditioning system;
and if the body sensing cold and heat level of the indoor workers is not comfortable, adjusting the operating parameters of the air conditioning equipment.
Optionally, the adjusting the operation parameter of the air conditioning equipment includes:
preprocessing the human body parameters;
calculating a comfort level requirement value of the indoor working personnel based on the preprocessed human body parameters and the environment parameters, wherein the comfort level requirement value comprises a human body temperature comfort level requirement value and a human body humidity comfort level requirement value;
and adjusting the operation parameters of the air conditioning equipment based on the comfort demand value.
Optionally, the preprocessing the human body parameters includes: and carrying out exception eliminating treatment on the human body heartbeat data based on a preset threshold value, and acquiring the human body temperature corresponding to the treated human body heartbeat data.
Optionally, the adjusting the operation parameter of the air conditioning equipment based on the comfort requirement value includes:
setting the temperature parameter of the air conditioning equipment within an allowable temperature adjustment range based on the human body temperature comfort level requirement value;
and setting the wind speed parameter of the air conditioning equipment within an allowable humidity adjustment range based on the human body humidity comfort level requirement value.
In the embodiment of the invention, the air conditioning system with the largest power consumption ratio is fed back by analyzing the power load data of the energy utilization equipment of the transformer substation, and the direction is designated for the energy efficiency adjustment work of the transformer substation; the environmental parameters and the human body parameters in the actual application scene in the transformer substation are obtained in real time, the current operation state of the air conditioning system is judged and adjusted, and then the control method of the air conditioning system is customized, so that the overall power utilization level of the transformer substation can be improved, and the fault rate of the power utilization equipment in the transformer substation is reduced.
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 flow chart of a substation power utilization control method based on microenvironment parameter monitoring, which is disclosed by the embodiment of the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious 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.
Fig. 1 is a schematic flow chart of a substation power utilization control method based on microenvironment parameter monitoring in an embodiment of the present invention.
S101, collecting power load data of substation power equipment in specific time, and acquiring an air conditioning system with the largest power consumption ratio in a power system based on the power load data;
in the embodiment of the present invention, the load data sources of the station power utilization system are roughly classified into two major categories, that is, a device load that operates continuously and often for a short time, and a device load that operates infrequently and intermittently, and more specifically, the station power utilization system includes a station transformer system, a main transformer cooling system, an air conditioning system, a lighting system, a dc power supply system, a UPS power supply system, and a communication power supply system. The embodiment of the invention analyzes the total electricity load data of a certain transformer substation in 2018 by a system call: in the whole station power system, the station transformer system accounts for 12%, the main transformer cooling system accounts for 15%, the air conditioning system accounts for 43%, the lighting system accounts for 18%, the direct current power system accounts for 7%, the UPS power system accounts for 1%, and the communication power system accounts for 4%, so that the system with the largest power utilization ratio in the station power system is the air conditioning system.
In order to establish the optimal control method of the air conditioning system, the energy consumption influence factors of the air conditioning system are further analyzed according to the electricity utilization condition of the air conditioning system, wherein the energy consumption influence factors comprise the heat radiation quantity, the electrical structure, the main equipment parameters and the climate of a transmission system. The heat radiation quantity of the transmission system is mainly concentrated on heat changes of station electric equipment such as a main transformer, a cable system and an auxiliary system, the electrical structure mainly relates to parameter values such as main transformer quantity, SVC group quantity and high-impedance group quantity, the main equipment parameter is main transformer capacity, the three parameters are positively correlated with the transmission electric quantity of the transmission system, and the ambient temperature of a control room where each station electric equipment is located can also be changed, so that the energy consumption problem of the air conditioning system is influenced. In addition, the weather mainly embodies in these two aspects of ambient temperature and duration of sunshine, the ventilation of station power consumption system, heat dissipation, refrigeration scheduling problem all have the close relation with ambient temperature, and when carrying electric quantity unchangeable, ambient temperature's rise inevitably can lead to station power consumption of power consumption system increases, and meanwhile, ambient temperature and duration of sunshine are direct proportional relation.
S102, judging whether the air conditioning equipment is in a running state or not through an infrared human body detector based on the air conditioning equipment distributed to the indoor by the air conditioning system;
in the embodiment of the invention, the infrared human body detector has the functions of tracking indoor workers in real time and acquiring human body parameters corresponding to the indoor workers, and on the basis, the infrared human body detector has the functions of judging whether the indoor workers exist or not and acquiring the number of the indoor workers. Specifically, the method comprises the following steps: when the infrared human body detector judges that a worker exists indoors, the air conditioning equipment is in a runnable state, and the step S103 is continuously executed; when the infrared human body detector judges that no working personnel exist indoors, the air conditioning equipment is in a non-operational state, and step S105 is executed to avoid redundant energy consumption.
It should be noted that, at present, the secondary equipment room, the main control room, the data room, the battery room and the duty room of the substation are all provided with one or more air conditioning equipment, and the embodiment of the present invention is applicable to analysis and adjustment of the above rooms.
S103, collecting human body parameters of indoor workers based on the infrared human body detector, and monitoring indoor environment parameters based on a temperature and humidity tester;
the environment parameter comprises an environment temperature and an environment humidity, the human body parameter comprises a human body temperature and human body heartbeat data, and any one of the human body heartbeat data corresponds to a human body temperature at the same moment.
And S104, adjusting the operation parameters of the air conditioning equipment through the environmental parameters and the human body parameters.
Firstly, analyzing the operation characteristics of each air conditioning device in the air conditioning system according to the influence factors mentioned in S101, wherein the operation characteristics comprise an indoor and outdoor temperature difference influence characteristic, a temperature and energy consumption relation characteristic, a temperature and power fluctuation characteristic, a response speed characteristic and a unit continuous operation energy consumption characteristic; secondly, an optimal air conditioner control strategy is formulated for the air conditioning system through analysis results of the operation characteristics, wherein the air conditioner control strategy comprises a distributed air conditioner optimal feedback control strategy, an intelligent control strategy and an infrared control strategy, and the control strategies are further explained as follows:
the optimal feedback strategy of the distributed air conditioner is as follows: and according to the running state and the current environmental parameters of each air-conditioning device in the air-conditioning system, making corresponding regulation and control instructions for each air-conditioning device so as to adjust the temperature and the wind speed of each air-conditioning device in real time. It should be noted that the corresponding regulation and control instruction can also be formulated through a demand side;
the intelligent control strategy is as follows: and performing group control on each air conditioning device, setting the working time of each air conditioning device, and performing seasonal limitation on the temperature of each air conditioning device. It should be noted that the working duration is divided by a working time interval and a non-working time interval, and is controlled by a timing switch;
the infrared control strategy is as follows: performing infrared control coding on all functions on a remote controller corresponding to each air conditioning device in each air conditioning device to realize the omnibearing regulation and control on the startup and shutdown function, the working mode, the working temperature and the wind direction selection of each air conditioning device;
and finally, combining the content of the air conditioner control strategy to establish an optimal control method for the air conditioning equipment, wherein the specific implementation process comprises the following steps:
(1) acquiring the current human body comfortable temperature of indoor workers;
in the embodiment of the present invention, since the number of the indoor workers can be changed, the acquisition modes are distinguished as follows: when the number of the indoor workers is not changed, the last stored human body comfortable temperature is directly called from the historical data; and (4) directly executing the step when the number of the indoor workers is increased or decreased. It should be noted that it should be ensured that the number of the indoor workers after the change is not zero.
(2) Based on the difference operation of the current human body comfortable temperature and the environment temperature, acquiring the somatosensory temperature difference of indoor workers;
(3) judging whether the operation parameters of the air conditioning equipment need to be adjusted or not based on the somatosensory temperature difference;
specifically, the somatosensory temperature difference is compared with a preset temperature difference threshold range, and the somatosensory cold and hot grade of indoor workers is confirmed; if the somatosensory temperature difference is within the preset temperature difference threshold range, the somatosensory cold and hot grade of the indoor workers is comfortable, and at the moment, the operation parameters of the air conditioning system can be maintained, and subsequent adjustment work is not executed; and (4) if the somatosensory temperature difference is not within the preset temperature difference threshold range, indicating that the somatosensory cold-heat level of the indoor staff is not comfortable (cold/hot), and continuing to execute the step (4). It should be noted that the preset temperature difference threshold range is specified by a technician according to the actual situation of the indoor lighting environment, and is not described in the embodiment of the present invention.
(4) Preprocessing the human body parameters;
specifically, abnormal elimination processing is carried out on the human heartbeat data based on a preset threshold value, and the human body temperature corresponding to the processed human heartbeat data is obtained. In the embodiment of the invention, the human heartbeat data which is less than 60 times/min and more than 100 times/min is set as the judgment threshold range, and the human heartbeat data which accords with the threshold range is taken as abnormal data to be removed, so that the reasonability of the result is ensured.
(5) Calculating a comfort level requirement value of the indoor workers based on the preprocessed human body parameters and the environment parameters;
specifically, a standard deviation model is established through the human body temperature data obtained in the step (4), and the current standard body temperature of the indoor workers is obtained as follows:
calculating a human body temperature comfort level requirement value in the comfort level requirement values as follows:
calculating a human body humidity comfort level requirement value in the comfort level requirement values as follows:
wherein the content of the first and second substances,the body temperature of the ith staff at the moment k, and N is the total number of the indoor staff (N)>0),The ambient temperature at time k is α the area correction factor, and R the ambient humidity.
(6) And adjusting the operation parameters of the air conditioning system based on the comfort demand value.
Specifically, based on the human body temperature comfort level requirement value, the temperature parameter of the air conditioning equipment is set within the allowable temperature adjustment range as follows:
based on the human body humidity comfort level requirement value, setting the wind speed parameter of the air conditioning equipment within an allowable humidity adjustment range as follows:
And S105, controlling the air conditioning equipment to stop working.
In the embodiment of the invention, the air conditioning system with the largest power consumption ratio is fed back by analyzing the power load data of the energy utilization equipment of the transformer substation, and the direction is designated for the energy efficiency adjustment work of the transformer substation; the environmental parameters and the human body parameters in the actual application scene in the transformer substation are obtained in real time, the current operation state of the air conditioning system is judged and adjusted, and then the control method of the air conditioning system is customized, so that the overall power utilization level of the transformer substation can be improved, and the fault rate of the power utilization equipment in the transformer substation is reduced.
Those skilled in the art will appreciate that all or part of the steps in the methods of the above embodiments may be implemented by associated hardware instructed by a program, which may be stored in a computer-readable storage medium, and the storage medium may include: a Read Only Memory (ROM), a Random Access Memory (RAM), a magnetic or optical disk, or the like.
The substation power utilization control method based on microenvironment parameter monitoring provided by the embodiment of the invention is described in detail, a specific example is adopted in the method to explain the principle and the implementation mode of the invention, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (9)
1. A power utilization control method of a transformer substation based on microenvironment parameter monitoring is characterized by comprising the following steps:
acquiring power load data of substation power equipment in specific time, and acquiring an air conditioning system with the largest power consumption ratio in a power system based on the power load data;
judging whether the air conditioning equipment is in a runnable state or not through an infrared human body detector based on the air conditioning equipment distributed to the indoor by the air conditioning system;
after the air conditioning equipment is judged to be in a running state, human body parameters of indoor workers are collected based on the infrared human body detector, and indoor environment parameters are monitored based on the temperature and humidity tester;
and adjusting the operation parameters of the air conditioning equipment according to the environmental parameters and the human body parameters.
2. The substation power utilization control method according to claim 1, wherein the substation power utilization system comprises a substation power transformation system, a main transformer cooling system, an air conditioning system, a lighting system, a direct current power supply system, a UPS power supply system, and a communication power supply system.
3. The substation power utilization control method according to claim 1, wherein the determining whether the air conditioning device is in an operable state based on the infrared human body detector comprises:
judging whether a worker exists indoors or not based on the infrared human body detector;
if the working personnel exist in the room, the air conditioning equipment is in a running state;
and if the condition that no working personnel exist in the room is judged, the air conditioning equipment is in a non-operational state, and the air conditioning equipment is controlled to stop working.
4. The substation power utilization control method according to claim 1, wherein the environmental parameters include an environmental temperature and an environmental humidity, and the human parameters include a human body temperature and human body heartbeat data.
5. The substation power utilization control method according to claim 4, wherein before the adjusting the operating parameter of the air conditioning device, the method comprises:
acquiring the current human body comfortable temperature of indoor workers;
based on the difference operation of the current human body comfortable temperature and the environment temperature, acquiring the somatosensory temperature difference of indoor workers;
and judging whether the operation parameters of the air conditioning equipment need to be adjusted or not based on the somatosensory temperature difference.
6. The substation power utilization control method according to claim 5, wherein the determining whether the operating parameter of the air conditioning device needs to be adjusted based on the somatosensory temperature difference comprises:
comparing the somatosensory temperature difference with a preset temperature difference threshold range, and confirming the somatosensory cold and hot grade of the indoor workers;
if the sensible heat and cold level of the indoor worker is comfortable, maintaining the operating parameters of the air conditioning equipment;
and if the body sensing cold and heat level of the indoor workers is not comfortable, adjusting the operating parameters of the air conditioning equipment.
7. The substation power utilization control method of claim 6, wherein the adjusting the operating parameter of the air conditioning device comprises:
preprocessing the human body parameters;
calculating a comfort level requirement value of the indoor working personnel based on the preprocessed human body parameters and the environment parameters, wherein the comfort level requirement value comprises a human body temperature comfort level requirement value and a human body humidity comfort level requirement value;
and adjusting the operation parameters of the air conditioning equipment based on the comfort demand value.
8. The substation power utilization control method according to claim 7, wherein the preprocessing the human body parameters comprises: and carrying out exception eliminating treatment on the human body heartbeat data based on a preset threshold value, and acquiring the human body temperature corresponding to the treated human body heartbeat data.
9. The substation power utilization control method of claim 7, wherein the adjusting the operating parameter of the air conditioning device based on the comfort demand value comprises:
setting the temperature parameter of the air conditioning equipment within an allowable temperature adjustment range based on the human body temperature comfort level requirement value;
and setting the wind speed parameter of the air conditioning equipment within an allowable humidity adjustment range based on the human body humidity comfort level requirement value.
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