CN112383143A - Power consumer power monitoring device and power load identification method - Google Patents
Power consumer power monitoring device and power load identification method Download PDFInfo
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- CN112383143A CN112383143A CN202011187397.1A CN202011187397A CN112383143A CN 112383143 A CN112383143 A CN 112383143A CN 202011187397 A CN202011187397 A CN 202011187397A CN 112383143 A CN112383143 A CN 112383143A
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 17
- 230000005611 electricity Effects 0.000 claims abstract description 35
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- 238000004891 communication Methods 0.000 claims abstract description 23
- 238000012545 processing Methods 0.000 claims abstract description 12
- 230000003203 everyday effect Effects 0.000 claims description 10
- 238000012549 training Methods 0.000 claims description 10
- 238000009825 accumulation Methods 0.000 claims description 3
- QVFWZNCVPCJQOP-UHFFFAOYSA-N chloralodol Chemical compound CC(O)(C)CC(C)OC(O)C(Cl)(Cl)Cl QVFWZNCVPCJQOP-UHFFFAOYSA-N 0.000 claims description 3
- 230000003993 interaction Effects 0.000 claims description 3
- 230000003442 weekly effect Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 230000002354 daily effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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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
- H02J13/00001—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 the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
- G01R22/06—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
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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
- H02J13/00002—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 monitoring
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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
- H02J13/00007—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 using the power network as support for the transmission
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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
- H02J13/00022—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 using wireless data transmission
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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
- H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
- H02J2310/70—Load identification
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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
- 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
- Y04S40/121—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 the power network as support for the transmission
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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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Human Computer Interaction (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses a power consumer power monitoring device and a power load identification method, which comprises at least two power taking devices and a shell, wherein the at least two power taking devices are connected with a signal conditioning circuit arranged in the shell through audio interfaces, the signal conditioning circuit is connected with a communication module through a CPU (central processing unit) module, a power supply module connected with the signal conditioning circuit, the CPU module and the communication module is arranged in the shell, and the signal conditioning circuit and the power supply module are connected with a voltage signal input end outside the shell; according to the invention, the information acquisition device is used for acquiring the electricity utilization information, the acquired information is transmitted to the CPU module for processing, the electricity utilization load information is obtained, and the processing result is transmitted through the communication module, so that the electricity utilization information provided for a user is clearer and more detailed, and the user acceptance will is improved.
Description
The technical field is as follows:
the invention relates to the field of power load monitoring, in particular to a power consumer power monitoring device and a power load identification method.
Background art:
at present, electric power family users and industrial and commercial users only know monthly power consumption, and still cannot know the constitution condition of the power consumption. As a user, it is very desirable to know the power consumption configuration of the home or the unit, to further optimize the power consumption load, and to reduce the power consumption cost. As a power supply enterprise, it is also necessary for users to have a good account, reduce disputes of power consumption, promote social harmony, and guide users to reduce power consumption, thereby reducing energy usage of the whole society, reducing CO2 emission, and promoting the development of environmental protection career.
However, the following problems generally exist in the current load monitoring devices:
1. the installation is complicated. Because the current needs to be measured, the original power supply line needs to be disconnected, and the CT used for monitoring and analysis is connected in series in the loop, so that a user has a long-time power failure. The method not only causes inconvenience and even dislike of users, but also easily causes potential safety hazards;
2. because the current transformer is integrated in the device and limited by the installation space, a single device can only detect the power utilization condition of a single user, the cost is high, and the popularization difficulty is high;
3. there is no load recognition function. The current load monitoring device only measures the total electric quantity of a user, cannot decompose and distinguish the electricity utilization conditions of various loads of the user, and cannot meet the requirements of the user;
4. relying too much on the communication network. After data are collected, the data are uploaded to a master station in a communication mode and are analyzed and decomposed by the master station, but sometimes, a communication network is not very reliable, data loss is caused, analysis and decomposition results are large in error, and even analysis cannot be performed completely.
The invention content is as follows:
the technical problem to be solved by the invention is as follows: the power consumer power monitoring device and the power load identification method overcome the defects of the prior art, collect power consumption information through the information collection device, transmit the collected information to the CPU module for processing to obtain power load information, and transmit the processing result through the communication module, so that the power consumption information provided for users is more clear and detailed, and the user acceptance will of the users is improved.
The technical scheme of the invention is as follows: a power consumer power monitoring device and a power load identification method comprise a power taking device and a shell, and are characterized in that: the power supply device comprises at least two power taking devices, wherein the power taking devices are connected with a signal conditioning circuit arranged in a shell through audio interfaces, the signal conditioning circuit is connected with a communication module through a CPU (central processing unit) module, a power supply module connected with the signal conditioning circuit, the CPU module and the communication module is arranged in the shell, and the signal conditioning circuit and the power supply module are connected with a voltage signal input end outside the shell.
Furthermore, get the electric installation and be open type current transformer, and its opening part is provided with carries out the buckle that communicates to the opening.
Further, the CPU module comprises a CPU chip, an AD chip, a storage chip and a clock chip which are connected with each other.
Furthermore, the communication module is a carrier, 4G and LORA module, and performs data interaction with the CPU module through a serial port of TTL level.
A method for identifying power load of power consumer includes the following steps: the method comprises the following steps: the power taking device and the voltage acquisition device acquire external current and voltage information to form an external voltage signal and an external current signal;
step two: the external voltage signal is accessed into the signal conditioning module and the power supply module, the power supply module converts an external power supply into a power supply voltage value required by the internal module, the signal conditioning module converts the accessed external voltage signal and external current signal into a voltage signal which can be acquired by an AD (analog-to-digital) module in the CPU module, and the voltage signal is filtered and protected;
step three: the AD chip collects the data of forty-eight points of each cycle wave under the control of the CPU, and calculates the characteristic information of the corresponding electric quantity of the total load in real time;
step four: comparing and matching the characteristic information of the power utilization of the user with a massive load characteristic library, decomposing the load of the user, and analyzing the load type, the operation mode, the operation power and the start-stop time of each load of the user;
step five: calculating the operation mode, the electricity consumption duration and the electricity consumption of each load in each time period according to the time integral, thereby calculating the operation mode, the electricity consumption duration and the electricity consumption of each load of the user every day and calculating the total electricity consumption of the user every day;
step six: according to the daily electricity utilization information, the operation modes, the electricity utilization duration and the electricity utilization amount of various loads of the user per month are calculated through the accumulation of time, and therefore the total electricity utilization amount of the month is calculated.
Step seven: and storing the power consumption analysis results of the users every day and every month in the local, and uploading the power consumption analysis results to the master station through the communication module.
Further, the corresponding electrical quantities are current, voltage and power electrical quantities, and the characteristic information is the amplitude, phase, waveform, harmonic, variation and rate of change of the current, voltage and power.
Further, the mass load feature library is obtained through load identification training, and the method specifically comprises the following steps: (1) and connecting the voltage and current signals of the training load into the signal conditioning module and the power supply module, and setting the load type and the corresponding operation mode for the CPU.
(2) The AD chip carries out data acquisition of forty-eight points of a weekly wave under the control of the CPU, and calculates amplitude, phase, waveform, harmonic wave, change rate and change information related to current, voltage and power of a load in the period of time after long-time data acquisition;
(3) associating the information with the load type and the operation mode information to form a characteristic library of the load;
(4) and forming a massive load characteristic library by carrying out a large amount of load identification training on the device.
The invention has the beneficial effects that:
1. according to the invention, the information acquisition device is used for acquiring the electricity utilization information, the acquired information is transmitted to the CPU module for processing, the electricity utilization load information is obtained, and the processing result is transmitted through the communication module, so that the electricity utilization information provided for a user is clearer and more detailed, and the user acceptance will is improved.
2. The invention adopts the open type current transformer to collect current, is conveniently connected with the device body through the audio interface, does not need to transform the original line wiring of a user, has abnormally simple current wiring, can realize uninterrupted installation, is flexible and convenient to deploy on site, reduces potential safety hazards, and greatly improves the acceptance intention of the user.
3. The invention can analyze the load type, the operation mode and the energy consumption composition of the user, analyze the power consumption duration and the power consumption of each load within a certain time, and provide more clear and detailed power consumption information for the user.
4. The invention collects and analyzes the electricity consumption information locally, does not depend on the quality of the communication network, and has high operation reliability; and the analysis result can be uploaded to a master station, so that the user can conveniently look up the analysis result.
5. The load identification and monitoring device can monitor and analyze the power utilization conditions of a plurality of power users, and has the advantages of small occupied space, low cost and high popularization value.
Description of the drawings:
FIG. 1 is a block diagram of a load identification and monitoring device according to the present invention.
FIG. 2 is a flow chart of the present load recognition training module.
FIG. 3 is a flow chart of the user load identification and monitoring analysis module.
The specific implementation mode is as follows:
example (b): see fig. 1, 2 and 3.
The power consumer power monitoring device comprises at least two power taking devices and a shell, wherein the at least two power taking devices are connected with a signal conditioning circuit arranged in the shell through audio interfaces, the signal conditioning circuit is connected with a communication module through a CPU (central processing unit) module, a power supply module connected with the signal conditioning circuit, the CPU module and the communication module is arranged in the shell, and the signal conditioning circuit and the power supply module are connected with a voltage signal input end outside the shell; according to the invention, the information acquisition device is used for acquiring the electricity utilization information, the acquired information is transmitted to the CPU module for processing, the electricity utilization load information is obtained, and the processing result is transmitted through the communication module, so that the electricity utilization information provided for a user is clearer and more detailed, and the user acceptance will is improved.
The present application will be described in detail with reference to the drawings and examples.
As shown in fig. 1, the load identification and monitoring device is composed of an open type current transformer and a device body. The opening part of the open type current transformer is connected through a buckle, and the open type current transformer is convenient to open and close. The current transformer is connected with the device body through the audio interface, current wiring is not needed on the site, and the current transformer is convenient, flexible and uninterrupted to deploy. And the external voltage signal is accessed to the signal conditioning module and the power supply module. The power supply module is responsible for converting an external power supply into a power supply voltage value required by the internal module of the device. The signal conditioning module is responsible for converting externally input voltage and current signals into voltage signals which can be collected by an AD (analog-to-digital) in the CPU module and filtering and protecting the signals. The communication module performs data interaction with the CPU module through the serial port of TTL level, and the device can support the insertion of communication modules such as carrier waves, 4G and LORA. The CPU module comprises a CPU chip, an AD chip, a storage chip, a clock chip and the like.
The device first performs a load recognition training. The method is shown in figure 2: and connecting the voltage and current signals of the training load into the device, and presetting the load type and the corresponding operation mode for the device. The AD chip collects data of 48 points per cycle under the control of the CPU, calculates characteristic information such as amplitude, phase, waveform, harmonic wave, change rate and the like related to current, voltage and power of the load in the period after long-time data collection, and associates the information with the load type and the operation mode information to form a characteristic library of the load. Through carrying out a large amount of load identification training on the device, a massive load characteristic library can be formed in the device.
The real total load electrical quantity of the user is accessed into the device, and the identification, monitoring and analysis of the user load can be carried out. The method is shown in figure 3: firstly, the fixed points of each cycle are collected for the electric quantity, and the characteristic information of the amplitude, the phase, the waveform, the harmonic wave, the variation, the change rate and the like of the electric quantity such as the total load current, the voltage, the power and the like is calculated in real time. Comparing and matching the characteristic information of the power consumption of the user with a mass load characteristic library, decomposing the load of the user, analyzing the load type, the operation mode, the operation power and the start-stop time of each load of the user, calculating the operation mode, the power consumption duration and the power consumption of each load in each time period according to the time integral, thereby calculating the operation mode, the power consumption duration and the power consumption of each load of the user every day and calculating the total power consumption of the user every day. According to the daily electricity utilization information, the operation modes, the electricity utilization duration and the electricity utilization amount of various loads of the user per month are calculated through the accumulation of time, and therefore the total electricity utilization amount of the month is calculated. And storing the power consumption analysis results of the users every day and every month in the local, and uploading the power consumption analysis results to the master station through the communication module.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications, equivalent variations and modifications made to the above embodiment according to the technical spirit of the present invention still fall within the scope of the technical solution of the present invention.
Claims (7)
1. A power consumer power monitoring device and a power load identification method comprise a power taking device and a shell, and are characterized in that: the power supply device comprises at least two power taking devices, wherein the power taking devices are connected with a signal conditioning circuit arranged in a shell through audio interfaces, the signal conditioning circuit is connected with a communication module through a CPU (central processing unit) module, a power supply module connected with the signal conditioning circuit, the CPU module and the communication module is arranged in the shell, and the signal conditioning circuit and the power supply module are connected with a voltage signal input end outside the shell.
2. The electric power consumer electric power monitoring device and the electric power load identification method according to claim 1, wherein: the electricity taking device is an open type current transformer, and a buckle for communicating the opening is arranged at the opening of the electricity taking device.
3. The electric power consumer electric power monitoring device and the electric power load identification method according to claim 1, wherein: the CPU module comprises a CPU chip, an AD chip, a storage chip and a clock chip which are connected with each other.
4. The electric power consumer electric power monitoring device and the electric power load identification method according to claim 1, wherein: the communication module is a carrier, 4G and LORA module, and performs data interaction with the CPU module through a serial port of TTL level.
5. A method for identifying a power load by using the power consumer monitoring device according to any one of claims 1 to 4, comprising the steps of: the method comprises the following steps: the power taking device and the voltage acquisition device acquire external current and voltage information to form an external voltage signal and an external current signal;
step two: the external voltage signal is accessed into the signal conditioning module and the power supply module, the power supply module converts an external power supply into a power supply voltage value required by the internal module, the signal conditioning module converts the accessed external voltage signal and external current signal into a voltage signal which can be acquired by an AD (analog-to-digital) module in the CPU module, and the voltage signal is filtered and protected;
step three: the AD chip collects the data of forty-eight points of each cycle wave under the control of the CPU, and calculates the characteristic information of the corresponding electric quantity of the total load in real time;
step four: comparing and matching the characteristic information of the power utilization of the user with a massive load characteristic library, decomposing the load of the user, and analyzing the load type, the operation mode, the operation power and the start-stop time of each load of the user;
step five: calculating the operation mode, the electricity consumption duration and the electricity consumption of each load in each time period according to the time integral, thereby calculating the operation mode, the electricity consumption duration and the electricity consumption of each load of the user every day and calculating the total electricity consumption of the user every day;
step six: calculating the operation modes, the electricity consumption duration and the electricity consumption of various loads of a user every month through the accumulation of time according to the electricity consumption information every day, thereby calculating the total electricity consumption of the month;
step seven: and storing the power consumption analysis results of the users every day and every month in the local, and uploading the power consumption analysis results to the master station through the communication module.
6. The electrical consumer electrical load identification method of claim 5, wherein: the corresponding electrical quantities are current, voltage and power electrical quantities, and the characteristic information is the amplitude, phase, waveform, harmonic wave, variation and change rate of the current, the voltage and the power.
7. The electrical consumer electrical load identification method of claim 5, wherein: the mass load feature library is obtained through load identification training, and the method comprises the following specific steps: (1) connecting the voltage and current signals of the training load into the signal conditioning module and the power supply module, and setting the load type and the corresponding operation mode for the CPU; (2) the AD chip carries out data acquisition of forty-eight points of a weekly wave under the control of the CPU, and calculates amplitude, phase, waveform, harmonic wave, change rate and change information related to current, voltage and power of a load in the period of time after long-time data acquisition;
(3) associating the information with the load type and the operation mode information to form a characteristic library of the load;
(4) and forming a massive load characteristic library by carrying out a large amount of load identification training on the device.
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| CN202011187397.1A CN112383143A (en) | 2020-10-29 | 2020-10-29 | Power consumer power monitoring device and power load identification method |
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