CN117849500A - Low-voltage detection system and method based on Internet of things - Google Patents
Low-voltage detection system and method based on Internet of things Download PDFInfo
- Publication number
- CN117849500A CN117849500A CN202311852400.0A CN202311852400A CN117849500A CN 117849500 A CN117849500 A CN 117849500A CN 202311852400 A CN202311852400 A CN 202311852400A CN 117849500 A CN117849500 A CN 117849500A
- Authority
- CN
- China
- Prior art keywords
- real
- low
- voltage
- time
- internet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000012423 maintenance Methods 0.000 claims abstract description 98
- 238000005070 sampling Methods 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims description 6
- 230000001360 synchronised effect Effects 0.000 claims 2
- 230000006855 networking Effects 0.000 claims 1
- 238000012544 monitoring process Methods 0.000 description 6
- 238000012545 processing Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
The application relates to a low-voltage detection system and a method based on the Internet of things, wherein the low-voltage detection system comprises the following steps: the self-sampling sensor is used for detecting real-time electric data on the cable and uploading the real-time electric data to the comprehensive data processor through the Internet of things; the comprehensive data processor is used for receiving the real-time electrical data uploaded by the self-sampling sensor and analyzing and determining whether a low-voltage phenomenon exists according to the real-time electrical data; if the low-voltage phenomenon exists, generating a low-voltage event, and sending the real-time electrical data and the low-voltage event to an operation and maintenance platform of the Internet of things; the Internet of things operation and maintenance platform is used for receiving and storing the real-time electrical data and the low-voltage event and carrying out operation and maintenance management according to the low-voltage event; and the mobile phone APP is used for interacting with the operation and maintenance platform of the Internet of things, acquiring the real-time electrical data and the low-voltage event and displaying the real-time electrical data and the low-voltage event. The method and the device can timely find out the low-voltage phenomenon and conduct intelligent operation and maintenance.
Description
Technical Field
The application relates to the technical field of power grids, in particular to a low-voltage detection system and method based on the Internet of things.
Background
In the power system, the operation and maintenance of the low-voltage transformer area is facing to the power consumer, the power consumption environment is complex and changeable, the operation and maintenance are important, and the damage caused by the low voltage of the user is very large, which is the point of most complaints of the user.
The reasons for the low voltage are: (1) The distance from the transformer is far, the line loss is large due to the thin wire, and the voltage is low; (2) The overload of the electrical load exceeds the load capacity of the transformer causing the voltage to become lower.
The low voltage hazard is: (1) The voltage is too low, some electric appliances cannot be started or can not normally run, the self-heating is serious, and the service life is shortened; (2) The voltage is too low to exceed 10%, the current of the motor is increased, the winding temperature is increased, and mechanical equipment is stopped or cannot be started when the winding temperature is severe, and even the motor is burnt; (3) The voltage is reduced, so that the transmission limit capacity of the circuit is correspondingly reduced, the stability is reduced, and voltage breakdown accidents can occur due to the fact that the voltage is too low; (4) When a certain amount of electric energy is transmitted, the voltage is reduced, the current is correspondingly increased, and the line loss is increased.
Therefore, monitoring low voltages is important to ensure electrical reliability.
Disclosure of Invention
The utility model aims to provide a low voltage detection system and method based on the internet of things, which can discover the low voltage phenomenon in time and perform intelligent operation and maintenance.
To achieve the above object, an embodiment of the present application provides a low voltage detection system based on the internet of things, including:
the self-sampling sensor is used for detecting real-time electric data on the cable and uploading the real-time electric data to the comprehensive data processor through the Internet of things;
the comprehensive data processor is used for receiving the real-time electrical data uploaded by the self-sampling sensor and analyzing and determining whether a low-voltage phenomenon exists according to the real-time electrical data; if the low-voltage phenomenon exists, generating a low-voltage event, and sending the real-time electrical data and the low-voltage event to an operation and maintenance platform of the Internet of things;
the Internet of things operation and maintenance platform is used for receiving and storing the real-time electrical data and the low-voltage event and carrying out operation and maintenance management according to the low-voltage event;
and the mobile phone APP is used for interacting with the operation and maintenance platform of the Internet of things, acquiring the real-time electrical data and the low-voltage event and displaying the real-time electrical data and the low-voltage event.
Further, the real-time electrical data includes a real-time current value of the cable;
the comprehensive data processor is specifically configured to obtain a real-time current value of the cable, calculate a low voltage value according to low voltage=us-i×r, and determine whether a low voltage phenomenon exists according to the calculated low voltage value; wherein Us is the detection voltage of the integrated data processor or the output voltage of the transformer, R is the cable resistance, r=ρ×l/S, L is the cable length, S is the effective cross-sectional area of the cable, ρ is the resistivity of the cable material.
Further, the operation and maintenance platform of the internet of things is further used for alarming according to the low-voltage event.
Further, the self-taking sensor, the comprehensive data processor, the Internet of things operation and maintenance platform and the mobile phone APP are subjected to time synchronization; the real-time electrical data comprises a real-time three-phase current value and a real-time three-phase voltage value of the cable;
the comprehensive data processor is further used for carrying out three-phase unbalance detection analysis according to the real-time three-phase current value and the real-time three-phase voltage value, if a three-phase unbalance phenomenon exists, generating a three-phase unbalance event, and sending the real-time electrical data and the three-phase unbalance event to an operation and maintenance platform of the Internet of things;
the operation and maintenance platform of the Internet of things is used for receiving and storing the real-time electrical data and the three-phase unbalanced event and carrying out operation and maintenance management according to the three-phase unbalanced event;
the mobile phone APP is used for interacting with the operation and maintenance platform of the Internet of things, acquiring the real-time electrical data and the three-phase unbalance and displaying.
The embodiment of the application also provides a low-voltage detection method based on the Internet of things, which is realized based on the system, and comprises the following steps:
the self-sampling sensor detects real-time electric data on the cable and uploads the real-time electric data to the comprehensive data processor through the Internet of things;
the comprehensive data processor receives the real-time electrical data uploaded by the self-sampling sensor and analyzes and determines whether a low-voltage phenomenon exists according to the real-time electrical data; if the low-voltage phenomenon exists, generating a low-voltage event, and sending the real-time electrical data and the low-voltage event to an operation and maintenance platform of the Internet of things;
the Internet of things operation and maintenance platform receives and stores the real-time electrical data and the low-voltage event, and performs operation and maintenance management according to the low-voltage event;
and the mobile phone APP interacts with the operation and maintenance platform of the Internet of things, acquires the real-time electrical data and the low-voltage event and displays the real-time electrical data and the low-voltage event.
Further, the real-time electrical data includes a real-time current value of the cable;
the method specifically comprises the following steps:
the comprehensive data processor acquires a real-time current value of the cable, calculates a low voltage value according to low voltage=us-I-R, and determines whether a low voltage phenomenon exists according to the calculated low voltage value; wherein Us is the detection voltage of the integrated data processor or the output voltage of the transformer, R is the cable resistance, r=ρ×l/S, L is the cable length, S is the effective cross-sectional area of the cable, ρ is the resistivity of the cable material.
Further, the method further comprises:
and the operation and maintenance platform of the Internet of things alarms according to the low-voltage event.
Further, the self-taking sensor, the comprehensive data processor, the Internet of things operation and maintenance platform and the mobile phone APP are subjected to time synchronization; the real-time electrical data comprises a real-time three-phase current value and a real-time three-phase voltage value of the cable;
the method further comprises the steps of:
the comprehensive data processor performs three-phase unbalance detection analysis according to the real-time three-phase current value and the real-time three-phase voltage value, if a three-phase unbalance phenomenon exists, a three-phase unbalance event is generated, and the real-time electrical data and the three-phase unbalance event are sent to an operation and maintenance platform of the Internet of things;
the Internet of things operation and maintenance platform receives and stores the real-time electrical data and the three-phase unbalanced event, and performs operation and maintenance management according to the three-phase unbalanced event;
and the mobile phone APP interacts with the operation and maintenance platform of the Internet of things to acquire the real-time electrical data and the three-phase unbalance and display the real-time electrical data.
Embodiments of the present application have the following beneficial effects:
the intelligent control system consists of a self-taking electric sensor, a comprehensive data processor, an operation and maintenance platform of the Internet of things and a mobile phone APP, can be specially used for a private network, early-warns in real time, actively operates and maintains, quickly positions, and avoids electricity safety accidents; the monitoring point can be monitored in real time by the electric parameters; and the installation can be completed without other auxiliary tools, self-power-taking and damaging primary cable equipment, and the data isolation transmission, display, analysis and fault maintenance of the local and remote big data platforms are supported, so that the safety, the high efficiency and the intellectualization of the maintenance are greatly improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a block diagram of a low-voltage detection system based on the internet of things in an embodiment of the application.
Fig. 2 is a schematic diagram of an arrangement of sensor detection points in an embodiment of the present application.
Fig. 3 is a flowchart of a low-voltage detection method based on the internet of things in an embodiment of the application.
Detailed Description
The detailed description of the drawings is intended as a description of the present embodiments of the application and is not intended to represent the only forms in which the present application may be practiced. It is to be understood that the same or equivalent functions may be accomplished by different embodiments that are intended to be encompassed within the scope of the application.
Referring to fig. 1, an embodiment of the present application provides a low-voltage detection system based on internet of things, including:
the self-sampling sensor is used for detecting real-time electric data on the cable and uploading the real-time electric data to the comprehensive data processor through the Internet of things; specifically, the self-powered sensor adopts CT power taking, and can self-power for a long time without considering the power supply problem;
the comprehensive data processor is used for receiving the real-time electrical data uploaded by the self-sampling sensor and analyzing and determining whether a low-voltage phenomenon exists according to the real-time electrical data; if the low-voltage phenomenon exists, generating a low-voltage event, and sending the real-time electrical data and the low-voltage event to an operation and maintenance platform of the Internet of things; specifically, the integrated data processor is used for analyzing and processing the real-time electric data uploaded by the self-sampling sensor so as to discover and process the low-voltage problem in time, and sending the related data to the operation and maintenance platform of the Internet of things for monitoring and management, so that the stability and reliability of the electric power system can be improved, and the normal operation of electric power supply is ensured;
the Internet of things operation and maintenance platform is used for receiving and storing the real-time electrical data and the low-voltage event and carrying out operation and maintenance management according to the low-voltage event; specifically, the operation and maintenance platform of the internet of things is a platform for receiving, storing and managing real-time electrical data and low-voltage events; the main function of the system is to process and analyze the received data and to carry out operation and maintenance management according to the low voltage event; when the comprehensive data processor generates a low-voltage event, the comprehensive data processor can send real-time electric data and the low-voltage event to the operation and maintenance platform of the Internet of things; the operation and maintenance platform of the Internet of things receives and stores the data so as to facilitate subsequent analysis and management; the operation and maintenance platform of the Internet of things can monitor and analyze the received real-time electrical data in real time so as to discover abnormal conditions, such as low voltage phenomena, in time; when a low-voltage event is found, the platform can perform corresponding operation and maintenance management according to preset rules and strategies, such as sending an alarm to notify related personnel, scheduling maintenance personnel and the like; in addition, the operation and maintenance platform of the Internet of things can store and analyze historical data so as to perform trend analysis, fault diagnosis, performance optimization and other works; through comprehensive analysis of the data, the platform can provide more accurate operation and maintenance decision and optimization suggestions, and the reliability and efficiency of the power system are improved.
The mobile phone APP is used for interacting with the operation and maintenance platform of the Internet of things, acquiring the real-time electrical data and the low-voltage event and displaying the real-time electrical data and the low-voltage event; specifically, through the APP, a user can acquire real-time electrical data and low-voltage events, and display and view the real-time electrical data and low-voltage events; a user can log in an operation and maintenance platform of the internet of things through a mobile phone APP, and then acquire real-time electrical data and information of a low-voltage event; the data and the events can be displayed on a mobile phone screen in a chart, a list or other forms, so that a user can conveniently check and analyze the data and the events; through the mobile phone APP, a user can monitor the electrical data of the power system, such as current, voltage and the like, and the occurrence of low-voltage events in real time; the user can check the data and the events at any time to know the running state and the existing problems of the power system; in addition, the mobile phone APP can provide some additional functions, such as setting alarm notification, and when a low-voltage event occurs, a user can receive the mobile phone notification; or providing a data export function, the user can export the data to the local for further analysis and processing; in a word, the mobile phone APP can facilitate interaction between a user and the operation and maintenance platform of the Internet of things, acquire real-time electrical data and low-voltage events, display and analyze the real-time electrical data and the low-voltage events, and provide a more convenient power system monitoring and management mode.
Further, the real-time electrical data includes a real-time current value of the cable;
the comprehensive data processor is specifically configured to obtain a real-time current value of the cable, calculate a low voltage value according to low voltage=us-i×r, and determine whether a low voltage phenomenon exists according to the calculated low voltage value; wherein Us is the detection voltage of the comprehensive data processor or the outgoing voltage of the transformer, R is the cable resistance, r=ρ is L/S, L is the cable length (feeder length), S is the effective cross-sectional area of the cable, ρ is the resistivity of the cable material;
specifically, the resistivity of the copper wire is 0.0172; the resistivity of the aluminum wire was 0.0283;
as shown in fig. 2, A, B, C, D, E, F points, where A, D, E represents different monitoring points on the bus, a being closest to the transformer outlet and E being furthest; B. c, F points are outlet points, and are separated to each user; the distance from A to B, from D to C and from E to F is recorded through funding, namely the feeder length L in the formula; the influence on low voltage is mainly that the feedback feeder line is overlong, the line resistance is overlarge, the real-time current is larger, the load is larger, and the low voltage phenomenon is more obvious.
Specifically, according to the calculated low voltage value, whether a low voltage phenomenon exists or not can be determined by comparing the calculated low voltage value with a preset threshold value; the preset threshold is a set standard for judging the degree of low voltage; typically, the threshold value of the low voltage is determined according to the specification and standard of the power system, and can be adjusted according to actual conditions; if the calculated low voltage value is lower than a preset threshold value, judging that a low voltage phenomenon exists; this means that the power system in which the cable is located has a low voltage, which may affect the normal operation of the device; when the low voltage phenomenon is determined to exist, operation and maintenance personnel can take corresponding measures to solve the problem; for example, the operating parameters of the power system may be adjusted to increase the stability of the voltage; or checking the connection condition of the cable to ensure the load balance and the normal resistance of the cable; it is also contemplated to increase the cross-sectional area of the cable to reduce the resistance of the cable; in a word, the low voltage value obtained through calculation is compared with a preset threshold value, whether the low voltage phenomenon exists or not can be determined, and corresponding measures are taken for processing; thus, the normal operation of the power system and the safe use of equipment can be ensured.
Further, the operation and maintenance platform of the internet of things is further used for alarming according to the low-voltage event.
Specifically, the operation and maintenance platform of the internet of things is a platform for managing and monitoring the equipment of the internet of things; in this case, the operation and maintenance platform of the internet of things can alarm according to the low-voltage event; when the comprehensive data processor detects a low voltage phenomenon and determines that a low voltage event exists according to the calculated low voltage value, the operation and maintenance platform of the Internet of things can receive information of the event; then, the operation and maintenance platform of the Internet of things processes the low-voltage event according to preset rules and strategies; the alarm is a processing mode of the operation and maintenance platform of the Internet of things; the alarm means that the operation and maintenance platform of the Internet of things can send a notification to related personnel so that the personnel can take measures in time to solve the problem of low voltage; the notifications can be sent to related personnel by means of short messages, mails, mobile phone application programs and the like; through alarming, the operation and maintenance platform of the Internet of things can help operation and maintenance personnel to know the occurrence of a low-voltage event in time and take corresponding measures to solve the problem; thus, the stable operation of the power system can be ensured, and unnecessary influence on equipment and users is avoided; in a word, the operation and maintenance platform of the Internet of things can alarm according to the low-voltage event so that operation and maintenance personnel can take measures in time to solve the low-voltage problem; the operation and maintenance platform of the Internet of things has one of important functions in maintaining stable operation of the power system.
Further, the self-taking sensor, the comprehensive data processor, the Internet of things operation and maintenance platform and the mobile phone APP are subjected to time synchronization; the real-time electrical data comprises a real-time three-phase current value and a real-time three-phase voltage value of the cable;
the comprehensive data processor is further used for carrying out three-phase unbalance detection analysis according to the real-time three-phase current value and the real-time three-phase voltage value, if a three-phase unbalance phenomenon exists, generating a three-phase unbalance event, and sending the real-time electrical data and the three-phase unbalance event to an operation and maintenance platform of the Internet of things;
the operation and maintenance platform of the Internet of things is used for receiving and storing the real-time electrical data and the three-phase unbalanced event and carrying out operation and maintenance management according to the three-phase unbalanced event;
the mobile phone APP is used for interacting with the operation and maintenance platform of the Internet of things, acquiring the real-time electrical data and the three-phase unbalance and displaying.
Specifically, real-time electrical data of the power system are obtained through the self-electricity-taking sensor, three-phase unbalance detection and analysis are carried out through the comprehensive data processor, and then the real-time electrical data and three-phase unbalance events are sent to the operation and maintenance platform of the Internet of things; a user can interact with the operation and maintenance platform of the internet of things through the mobile phone APP, so that real-time electric data and three-phase imbalance events are obtained, and are displayed and analyzed; therefore, operation and maintenance personnel can be helped to know the state of the power system in time, and corresponding management and maintenance can be performed.
In fig. 3, another embodiment of the present application provides a low-voltage detection method based on the internet of things, where the method is implemented based on the system described in the foregoing embodiment, and the method includes the following steps:
step S1, detecting real-time electrical data on a cable by a self-powered sensor, and uploading the real-time electrical data to a comprehensive data processor through the Internet of things;
step S2, a comprehensive data processor receives real-time electrical data uploaded by the self-sampling sensor and analyzes and determines whether a low-voltage phenomenon exists according to the real-time electrical data; if the low-voltage phenomenon exists, generating a low-voltage event, and sending the real-time electrical data and the low-voltage event to an operation and maintenance platform of the Internet of things;
step S3, the operation and maintenance platform of the Internet of things receives and stores the real-time electrical data and the low-voltage event, and performs operation and maintenance management according to the low-voltage event;
and S4, the mobile phone APP interacts with the operation and maintenance platform of the Internet of things, and the real-time electrical data and the low-voltage event are obtained and displayed.
Further, the real-time electrical data includes a real-time current value of the cable;
the step S2 specifically includes:
the comprehensive data processor acquires a real-time current value of the cable, calculates a low voltage value according to low voltage=us-I-R, and determines whether a low voltage phenomenon exists according to the calculated low voltage value; wherein Us is the detection voltage of the integrated data processor or the output voltage of the transformer, R is the cable resistance, r=ρ×l/S, L is the cable length, S is the effective cross-sectional area of the cable, ρ is the resistivity of the cable material.
Further, the step S3 further includes:
and the operation and maintenance platform of the Internet of things alarms according to the low-voltage event.
Further, the self-taking sensor, the comprehensive data processor, the Internet of things operation and maintenance platform and the mobile phone APP are subjected to time synchronization; the real-time electrical data comprises a real-time three-phase current value and a real-time three-phase voltage value of the cable;
the step S2 further includes:
the comprehensive data processor performs three-phase unbalance detection analysis according to the real-time three-phase current value and the real-time three-phase voltage value, if a three-phase unbalance phenomenon exists, a three-phase unbalance event is generated, and the real-time electrical data and the three-phase unbalance event are sent to an operation and maintenance platform of the Internet of things;
the step S3 further includes:
the Internet of things operation and maintenance platform receives and stores the real-time electrical data and the three-phase unbalanced event, and performs operation and maintenance management according to the three-phase unbalanced event;
the step S4 further includes:
and the mobile phone APP interacts with the operation and maintenance platform of the Internet of things to acquire the real-time electrical data and the three-phase unbalance and display the real-time electrical data.
The embodiments of the present application have been described above, the foregoing description is exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the various embodiments described. The terminology used herein was chosen in order to best explain the principles of the embodiments, the practical application, or the technical improvements in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.
Claims (8)
1. Based on thing networking low pressure detecting system, its characterized in that includes:
the self-sampling sensor is used for detecting real-time electric data on the cable and uploading the real-time electric data to the comprehensive data processor through the Internet of things;
the comprehensive data processor is used for receiving the real-time electrical data uploaded by the self-sampling sensor and analyzing and determining whether a low-voltage phenomenon exists according to the real-time electrical data; if the low-voltage phenomenon exists, generating a low-voltage event, and sending the real-time electrical data and the low-voltage event to an operation and maintenance platform of the Internet of things;
the Internet of things operation and maintenance platform is used for receiving and storing the real-time electrical data and the low-voltage event and carrying out operation and maintenance management according to the low-voltage event;
and the mobile phone APP is used for interacting with the operation and maintenance platform of the Internet of things, acquiring the real-time electrical data and the low-voltage event and displaying the real-time electrical data and the low-voltage event.
2. The system of claim 1, wherein the real-time electrical data comprises a real-time current value of a cable;
the comprehensive data processor is specifically configured to obtain a real-time current value of the cable, calculate a low voltage value according to low voltage=us-i×r, and determine whether a low voltage phenomenon exists according to the calculated low voltage value; wherein Us is the detection voltage of the integrated data processor or the output voltage of the transformer, R is the cable resistance, r=ρ×l/S, L is the cable length, S is the effective cross-sectional area of the cable, ρ is the resistivity of the cable material.
3. The system of claim 2, wherein the internet of things operation platform is further configured to alert based on the low voltage event.
4. The system of claim 3, wherein the self-powered sensor, the integrated data processor, the internet of things operation and maintenance platform, and the mobile phone APP are time synchronized; the real-time electrical data comprises a real-time three-phase current value and a real-time three-phase voltage value of the cable;
the comprehensive data processor is further used for carrying out three-phase unbalance detection analysis according to the real-time three-phase current value and the real-time three-phase voltage value, if a three-phase unbalance phenomenon exists, generating a three-phase unbalance event, and sending the real-time electrical data and the three-phase unbalance event to an operation and maintenance platform of the Internet of things;
the operation and maintenance platform of the Internet of things is used for receiving and storing the real-time electrical data and the three-phase unbalanced event and carrying out operation and maintenance management according to the three-phase unbalanced event;
the mobile phone APP is used for interacting with the operation and maintenance platform of the Internet of things, acquiring the real-time electrical data and the three-phase unbalance and displaying.
5. A low-voltage detection method based on the internet of things, which is characterized in that the method is implemented based on the system of any one of claims 1-4, and the method comprises:
the self-sampling sensor detects real-time electric data on the cable and uploads the real-time electric data to the comprehensive data processor through the Internet of things;
the comprehensive data processor receives the real-time electrical data uploaded by the self-sampling sensor and analyzes and determines whether a low-voltage phenomenon exists according to the real-time electrical data; if the low-voltage phenomenon exists, generating a low-voltage event, and sending the real-time electrical data and the low-voltage event to an operation and maintenance platform of the Internet of things;
the Internet of things operation and maintenance platform receives and stores the real-time electrical data and the low-voltage event, and performs operation and maintenance management according to the low-voltage event;
and the mobile phone APP interacts with the operation and maintenance platform of the Internet of things, acquires the real-time electrical data and the low-voltage event and displays the real-time electrical data and the low-voltage event.
6. The method of claim 5, wherein the real-time electrical data comprises a real-time current value of a cable;
the method specifically comprises the following steps:
the comprehensive data processor acquires a real-time current value of the cable, calculates a low voltage value according to low voltage=us-I-R, and determines whether a low voltage phenomenon exists according to the calculated low voltage value; wherein Us is the detection voltage of the integrated data processor or the output voltage of the transformer, R is the cable resistance, r=ρ×l/S, L is the cable length, S is the effective cross-sectional area of the cable, ρ is the resistivity of the cable material.
7. The method of claim 6, wherein the method further comprises:
and the operation and maintenance platform of the Internet of things alarms according to the low-voltage event.
8. The method of claim 7, wherein the self-sampling sensor, the integrated data processor, the internet of things operation and maintenance platform and the mobile phone APP are time synchronized; the real-time electrical data comprises a real-time three-phase current value and a real-time three-phase voltage value of the cable;
the method further comprises the steps of:
the comprehensive data processor performs three-phase unbalance detection analysis according to the real-time three-phase current value and the real-time three-phase voltage value, if a three-phase unbalance phenomenon exists, a three-phase unbalance event is generated, and the real-time electrical data and the three-phase unbalance event are sent to an operation and maintenance platform of the Internet of things;
the Internet of things operation and maintenance platform receives and stores the real-time electrical data and the three-phase unbalanced event, and performs operation and maintenance management according to the three-phase unbalanced event;
and the mobile phone APP interacts with the operation and maintenance platform of the Internet of things to acquire the real-time electrical data and the three-phase unbalance and display the real-time electrical data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311852400.0A CN117849500A (en) | 2023-12-29 | 2023-12-29 | Low-voltage detection system and method based on Internet of things |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311852400.0A CN117849500A (en) | 2023-12-29 | 2023-12-29 | Low-voltage detection system and method based on Internet of things |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117849500A true CN117849500A (en) | 2024-04-09 |
Family
ID=90535923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311852400.0A Pending CN117849500A (en) | 2023-12-29 | 2023-12-29 | Low-voltage detection system and method based on Internet of things |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117849500A (en) |
-
2023
- 2023-12-29 CN CN202311852400.0A patent/CN117849500A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2475913C2 (en) | Apparatus and method for adaptive detection of faults in mv distribution grids | |
| CN201444191U (en) | Direct-current power supply online monitoring system | |
| CN109034424B (en) | Transformer substation equipment maintenance management method and device and terminal equipment | |
| KR101336317B1 (en) | A u-city integration electrical safety management system including real time management and operation of the electrical installation of the large cities like u-city | |
| KR100915401B1 (en) | The intellectual switchgear | |
| CN101858958A (en) | Intelligent device and method for monitoring vacuum circuit breaker on line | |
| CN107085153B (en) | Electricity abnormal fire early warning method and system | |
| KR101336571B1 (en) | A monitoring system for operating electrical safety management system of vulnerable area to electrical disasters | |
| KR101225125B1 (en) | Remote automatic control system and control method having diagnosis function of accident prediction through monitor-analysis of electric quality | |
| CN113223263A (en) | Electrical fire monitoring system based on Internet of things | |
| CN101825684A (en) | Intelligent vacuum circuit breaker online monitoring method | |
| KR102274929B1 (en) | Transformer real-time monitoring system | |
| CN116865205B (en) | Wireless breaker fault early warning method and system | |
| CN109655715A (en) | Power grid fault identification method based on power grid fault intelligent identification equipment | |
| CN117849500A (en) | Low-voltage detection system and method based on Internet of things | |
| CN110187263B (en) | Method, device and system for evaluating contact failure based on arcing time | |
| CN217216103U (en) | Power distribution station low-voltage side fault on-line monitoring and diagnosing system | |
| JP2003319550A (en) | Method and system for supporting operation of induction apparatus | |
| KR101320785B1 (en) | Electric fires prediction system capable of breaking standby power | |
| CN114899798A (en) | Circuit monitoring method based on three-phase motor and related equipment | |
| KR102529846B1 (en) | Outage-management system of distribution line and method thereof | |
| CN209896450U (en) | A thing networking block terminal for electric fire control | |
| CN112558539A (en) | Energy management system based on panoramic perception, monitoring method and air conditioner | |
| CN113049910A (en) | Current real-time detection and fault diagnosis system and method for electrical appliance | |
| CN214795612U (en) | Intelligent power consumption safety prevention and control management system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |