CN217216103U - Power distribution station low-voltage side fault on-line monitoring and diagnosing system - Google Patents
Power distribution station low-voltage side fault on-line monitoring and diagnosing system Download PDFInfo
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- CN217216103U CN217216103U CN202220773387.4U CN202220773387U CN217216103U CN 217216103 U CN217216103 U CN 217216103U CN 202220773387 U CN202220773387 U CN 202220773387U CN 217216103 U CN217216103 U CN 217216103U
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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
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
Abstract
The utility model discloses a power distribution station low pressure side trouble on-line monitoring diagnostic system. The system monitors signals such as current, voltage, power factor, temperature change and the like of a low-voltage distribution loop in real time on line through an intelligent distribution transformer terminal and a low-voltage temperature measurement terminal, carries out fault study and judgment alarm, sends the signals to a distribution network automation master station through a wireless public network, and visually displays the real-time monitoring state on a distribution network automation master station management platform to realize remote monitoring so as to remind operation and maintenance personnel of running risks, so that the operation and maintenance personnel can arrive at the site of the distribution station in time for maintenance and avoid faults; meanwhile, operation and maintenance personnel can also watch specific monitoring data through a display screen arranged on the low-voltage inlet switch cabinet so as to judge the fault point and the degree of urgency of maintenance of the power distribution station, reasonably arrange maintenance time, improve the working efficiency of active rush repair and fault rush repair, and improve the electricity consumption experience of customers.
Description
Technical Field
The utility model relates to a technical field of electric wire netting safety, concretely relates to power distribution station low pressure side trouble on-line monitoring diagnostic system.
Background
In the operation of a power distribution network, a power failure accident caused by the tripping of a switch on the 380V side of a user often occurs. Because the load characteristics of the user side, namely the low-voltage side, are different, and the low-voltage side of the transformer substation is not provided with a fault monitoring device, after the low-voltage side is taken out of line and has fault tripping, the reason that the fault is caused by the fault of the switch body or the line fault cannot be judged in time. Operation and maintenance personnel cannot timely and accurately judge the fault position, so that the power failure time is too long, and the power utilization of a user is influenced.
The occurrence of the phenomenon can increase the workload of operation and maintenance personnel and reduce the satisfaction degree of customers, the frequent occurrence of the event increases the working pressure of the operation and maintenance personnel, and the failure reason cannot be analyzed and searched in time, so that the satisfaction degree of users is reduced, and the image of a power supply enterprise is influenced.
SUMMERY OF THE UTILITY MODEL
For solving above-mentioned technical problem, realize the online monitoring management of distribution station low pressure side, effectively improve troubleshooting efficiency, the utility model provides a distribution station low pressure side trouble online monitoring diagnostic system through to the online accurate monitoring of distribution station low pressure side, and the very first time when the tripping operation takes place for the trouble in distribution station low pressure side notifies the operation maintainer, promotes the online monitoring management of power supply company distribution station low pressure side, promotes lean management level and continuously promotes, solves the blind spot problem in the work, effectively improves troubleshooting efficiency.
The utility model provides a technical scheme specifically does, a distribution station low-voltage side trouble on-line monitoring diagnostic system, this diagnostic system includes: the system comprises a power distribution station low-voltage distribution switch cabinet, an intelligent distribution transformer terminal, a low-voltage temperature measurement terminal and a power distribution network automation main station;
the distribution station low-voltage distribution switch cabinet is provided with a plurality of low-voltage distribution loops and low-voltage distribution switches which correspond to the low-voltage distribution loops one by one;
the intelligent distribution transformer terminal comprises: the system comprises a collection monitoring module and a plurality of Internet of things branch monitoring units;
the branch monitoring units of the internet of things correspond to low-voltage distribution loops in the low-voltage distribution switch cabinet of the power distribution station one by one, and are configured on the corresponding low-voltage distribution loops and used for detecting voltage, current and power factor signals of the corresponding low-voltage distribution loops;
the input end of the collection monitoring module is respectively connected with the output end of each Internet of things branch monitoring unit, and the voltage, current and power factor signals detected by each Internet of things branch monitoring unit are collected and respectively compared with a threshold value to judge whether a fault exists in the low-voltage distribution loop;
the low-voltage temperature measurement terminal includes: the temperature processing and transmitting module and the plurality of temperature acquisition modules;
the temperature acquisition modules correspond to low-voltage distribution switches in the low-voltage distribution switch cabinet of the power distribution station one by one, and each temperature acquisition module is arranged at the lower end of the corresponding low-voltage distribution switch and is used for acquiring the real-time temperature of the outlet end of the circuit breaker in the low-voltage distribution loop;
the input end of the temperature processing transmission module is respectively connected with the output ends of the plurality of temperature acquisition modules;
the input of distribution network automation main website respectively with collect the output of monitoring module and the output of temperature processing transmission module is connected.
Preferably, the temperature acquisition module is a digital temperature sensor, and the digital temperature sensor has the characteristics of high precision, no need of calibration and self-checking for replacing a sensor probe and the like, and is convenient to apply.
Further preferably, the power distribution station low-voltage side fault online monitoring and diagnosing system further includes: a memory;
the input end of the memory is respectively connected with the output end of the collection monitoring module, the output end of the Internet of things branch monitoring unit, the output end of the temperature processing transmission module and the output end of the temperature acquisition module, and the memory can store information data circularly, is cleared and updated periodically, and is convenient to inquire and trace.
Further preferably, a fan is further arranged in the power distribution station low-voltage distribution switch cabinet, a control end of the fan is connected with an output end of the temperature processing transmission module, the temperature processing transmission module controls the fan to be turned on/off according to a comparison result, when the temperature exceeds a threshold value, the fan is controlled to be started, otherwise, the fan is in a stop state, and automatic temperature adjustment is achieved.
Further preferably, the power distribution station low-voltage side fault online monitoring and diagnosing system further includes: the display screen, the display screen sets up on low pressure inlet wire cubical switchboard, the input of display screen respectively with every thing networking branch monitoring unit's output and every the output of temperature acquisition module is connected, shows real-time monitoring data, and the staff can watch the display screen on the low pressure inlet wire cubical switchboard, and the accuracy is looked for the fault point and is judged the urgent degree of going to the distribution substation and maintaining, and the rational arrangement maintenance time improves initiative and salvagees, the breakdown rush repair work efficiency.
The utility model provides a power distribution station low pressure side trouble on-line monitoring diagnostic system, through intelligent distribution transformer terminal and low pressure temperature survey terminal on-line real-time supervision low pressure distribution loop's electric current, voltage, power factor and temperature signal, and carry out the trouble and study and judge and report an emergency and ask for help or increased vigilance, intelligent distribution transformer terminal and low pressure temperature survey terminal all are connected with distribution network automation main website, with the visual display of real-time supervision state at distribution network automation main website management platform, realize remote monitoring, in order to remind the operation and maintenance personnel to have the operation risk, the operation and maintenance personnel of being convenient for can in time arrive the distribution station scene and maintain, avoid the emergence of trouble; meanwhile, operation and maintenance personnel can also watch specific monitoring data through a display screen arranged on the low-voltage inlet switch cabinet so as to judge the fault point and the degree of urgency of maintenance of the power distribution station, reasonably arrange maintenance time, improve the working efficiency of active rush repair and fault rush repair, and improve the electricity consumption experience of customers.
Compared with the prior art, the utility model discloses promoted low voltage distribution network state perception, state management and control ability comprehensively and improved initiative and salvageed, trouble salvagees work efficiency, improves customer's power consumption and experiences, utilizes current resource moreover as far as possible, obtains biggest economic benefits and social under the prerequisite with the best.
Drawings
In order to more clearly illustrate the embodiments of the present application 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 description below are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a block diagram of a power distribution station low-voltage side fault online monitoring and diagnosing system according to an embodiment of the present invention;
fig. 2 is an application scenario schematic diagram of the power distribution station low-voltage side fault online monitoring and diagnosing system in the embodiment provided by the present invention;
fig. 3 is an electrical schematic diagram of the on-line monitoring and diagnosing system for low-voltage side faults of the power distribution station in the embodiment provided by the present invention.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1, the online monitoring and diagnosing system for low-voltage side faults of a power distribution station includes: switch cabinet 1, intelligent distribution transformer terminal 2, low pressure temperature measurement terminal 3 and distribution network automation main website 4 are joined in marriage to the power distribution station low pressure, wherein:
the distribution station low-voltage distribution switch cabinet 1 is provided with a plurality of low-voltage distribution loops and low-voltage distribution switches which correspond to the low-voltage distribution loops one by one;
the intelligent distribution transformer terminal 2 is mainly composed of a collection monitoring module 21 and a plurality of internet of things branch monitoring units 22, wherein the internet of things branch monitoring units 22 correspond to low-voltage distribution loops in the distribution substation low-voltage distribution switch cabinet 1 one by one, and the internet of things branch monitoring units 22 are configured on the corresponding low-voltage distribution loops and used for detecting voltage, current and power factor signals of the corresponding low-voltage distribution loops; the input end of the collection monitoring module 21 is connected with the output end of each internet of things branch monitoring unit 22, collects the voltage, current and power factor signals detected by each internet of things branch monitoring unit 22, compares the collected signals with a threshold value respectively, and judges whether each low-voltage distribution loop has a fault or not;
the low-voltage temperature measurement terminal 3 mainly comprises a temperature processing transmission module 31 and a plurality of temperature acquisition modules 32, wherein the temperature acquisition modules 32 correspond to low-voltage distribution switches in the low-voltage distribution switch cabinet 1 of the power distribution station one by one, each temperature acquisition module 32 is arranged at the lower end of the corresponding low-voltage distribution switch and is used for acquiring real-time temperature acquisition of a circuit breaker outlet end in a low-voltage distribution loop, the input end of the temperature processing transmission module 31 is respectively connected with the output ends of the temperature acquisition modules 32, and temperature information sent by each temperature acquisition module 32 is compared with a threshold value so as to judge whether an overheating phenomenon occurs or not;
the input of above-mentioned distribution network automation main website 4 is connected with the output that collects monitoring module 21 and the output of temperature processing transmission module 31 respectively, collects monitoring module 21 and the result that temperature processing transmission module 31 detected and sends for distribution network automation main website 4, and when having the trouble, distribution network automation main website 4 is direct with the fortune dimension terminal that corresponds of fault information propelling movement, and the notice fortune dimension personnel have the trouble and need maintain.
The distribution network automation master station 4 is in communication connection with the collection monitoring module 21 and the temperature processing transmission module 31 through a wireless public network.
Fig. 2 and fig. 3 are an application scenario schematic diagram and an electrical schematic diagram of the above embodiment, respectively, in the embodiment, a power distribution station low-voltage distribution switch cabinet is provided with 6 distribution loops, an intelligent distribution terminal 2 is provided with 6 groups of internet-of-things branch monitoring units 22, a low-voltage temperature measurement terminal 3 is provided with 6 groups of temperature acquisition modules 32, a collection monitoring module 21 in the intelligent distribution terminal 2 collects monitoring results of the 6 groups of internet-of-things branch monitoring units 22 and compares the monitoring results with a threshold, if the threshold is exceeded, a fault occurs, and the collection monitoring module 21 sends a real-time monitoring result to a power distribution network automation master station; each temperature acquisition module 32 is arranged at the lower end of a corresponding low-voltage distribution switch in a low-voltage distribution switch cabinet of a power distribution station, generally, the temperature acquisition module 32 adopts a digital temperature sensor which has the characteristics of high precision, no need of calibration and self-checking for replacing a sensor probe and the like, the application is convenient, the temperature acquisition module 32 acquires the real-time temperature of the outlet end of a low-voltage distribution loop circuit breaker and sends the acquired temperature information to a temperature processing transmission module 31, the temperature processing transmission module 31 compares the received temperature value with a threshold value to judge whether an overheating phenomenon exists or not and sends the result to a power distribution network automation main station of the power distribution station to realize remote monitoring, and no matter whether the collection monitoring module 21 sends fault information or the temperature processing transmission module 31 sends fault information, the collection monitoring module 21 can push the fault information to a corresponding operation and maintenance terminal, and informing the operation and maintenance personnel that the fault exists and the maintenance is needed.
Preferably, referring to fig. 1, a memory is further provided in the on-line monitoring and diagnosing system for low-voltage side faults of the distribution substation, an input end of the memory 5 is respectively connected with an output end of the convergence monitoring module 21, an output end of the internet-of-things branch monitoring unit 22, an output end of the temperature processing and transmitting module 31, and an output end of the temperature collecting module 32, and the memory can cyclically store not less than 1024 event records, and store the event records for at least 30 days, thereby facilitating query and trace.
As the improvement of the technical scheme, a fan is further arranged in the power distribution station low-voltage distribution switch cabinet 1, the control end of the fan is connected with the output end of the temperature processing transmission module 31, the temperature processing transmission module 31 controls the on/off of the fan according to the comparison result, and when the temperature processing transmission module finds that the temperature is higher than the threshold value, the fan is controlled to be turned on to cool the heating cable, so that the temperature can be adjusted automatically in an acute mode until operation and maintenance personnel can maintain the temperature.
As the further improvement of technical scheme, still be provided with the display screen in this distribution station low pressure side trouble on-line monitoring diagnostic system, the display screen sets up on low pressure inlet wire switch cabinet, the input of display screen is connected with every thing networking branch monitoring unit 22's output and every temperature acquisition module 32's output respectively, show real-time supervision data, staff's accessible display screen is watched, the accurate fault point of seeking and judge the urgent degree of going to the distribution station maintenance, the maintenance time of rational arrangement, improve initiatively to salvage, the efficiency of breakdown rush repair work.
The utility model discloses utilize current resource as far as possible, under the prerequisite of best cost, through intelligent distribution transformer terminal and low pressure temperature survey terminal on-line real-time supervision low pressure distribution loop's signals such as electric current, voltage, power factor, temperature variation, and carry out the trouble and study and judge and report an emergency and ask for help or increased vigilance, send to distribution network automation main website through wireless public network, with the visual display of real-time supervision state at distribution network automation main website management platform, realize remote monitoring, in order to remind fortune dimension personnel to have the operation risk, the fortune dimension personnel of being convenient for can in time arrive the distribution station scene and maintain, avoid the emergence of trouble; meanwhile, operation and maintenance personnel can watch specific monitoring data through a display screen arranged on the low-voltage incoming line switch cabinet so as to judge the failure point and the urgent degree of maintenance of the power distribution station, reasonably arrange maintenance time, improve the working efficiency of active first-aid repair and fault first-aid repair, improve the electricity consumption experience of customers and obtain the maximum economic benefit and social benefit.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (5)
1. Power distribution station low-voltage side fault on-line monitoring diagnostic system, its characterized in that includes: the system comprises a power distribution station low-voltage distribution switch cabinet (1), an intelligent distribution transformer terminal (2), a low-voltage temperature measurement terminal (3) and a power distribution network automation master station (4);
the distribution station low-voltage distribution switch cabinet (1) is provided with a plurality of low-voltage distribution loops and low-voltage distribution switches in one-to-one correspondence with the low-voltage distribution loops;
the intelligent distribution transformer terminal (2) comprises: the system comprises a collection monitoring module (21) and a plurality of branch monitoring units (22) of the Internet of things;
the branch monitoring units (22) of the internet of things correspond to low-voltage distribution loops in the distribution station low-voltage distribution switch cabinet (1) one by one, and the branch monitoring units (22) of the internet of things are configured on the corresponding low-voltage distribution loops and used for detecting voltage, current and power factor signals of the corresponding low-voltage distribution loops;
the input end of the collection monitoring module (21) is respectively connected with the output end of each Internet of things branch monitoring unit (22), voltage, current and power factor signals detected by each Internet of things branch monitoring unit (22) are collected and are respectively compared with a threshold value, and whether a fault exists in the low-voltage distribution loop is judged;
the low-voltage temperature measurement terminal (3) includes: a temperature processing transmission module (31) and a plurality of temperature acquisition modules (32);
the temperature acquisition modules (32) correspond to low-voltage distribution switches in the power distribution station low-voltage distribution switch cabinet (1) one by one, and each temperature acquisition module (32) is arranged at the lower end of the corresponding low-voltage distribution switch and is used for acquiring the real-time temperature of the outlet end of the circuit breaker in the low-voltage distribution circuit;
the input end of the temperature processing transmission module (31) is respectively connected with the output ends of the temperature acquisition modules (32), and the temperature information sent by each temperature acquisition module (32) is compared with a threshold value;
the input end of the distribution network automation main station (4) is respectively connected with the output end of the collection monitoring module (21) and the output end of the temperature processing transmission module (31).
2. The on-line monitoring and diagnosing system for faults at the low voltage side of the power distribution station according to claim 1, characterized in that the temperature acquisition module (32) is a digital temperature sensor.
3. The on-line monitoring and diagnosing system for the faults at the low voltage side of the power distribution station according to claim 1, further comprising: a memory (5);
the input end of the memory (5) is respectively connected with the output end of the collection monitoring module (21), the output end of the Internet of things branch monitoring unit (22), the output end of the temperature processing and transmitting module (31) and the output end of the temperature acquisition module (32).
4. The system for on-line monitoring and diagnosing the low-voltage side fault of the power distribution station according to claim 1, wherein a fan is further arranged in the power distribution station low-voltage distribution switch cabinet (1), a control end of the fan is connected with an output end of the temperature processing transmission module (31), and the temperature processing transmission module (31) controls the on/off of the fan according to a comparison result.
5. The on-line monitoring and diagnosing system for the faults at the low voltage side of the power distribution station according to claim 1, further comprising: the display screen, the display screen sets up on low pressure inlet wire cubical switchboard, the input of display screen respectively with every the output and every of thing networking branch monitoring unit (22) the output of temperature acquisition module (32) is connected.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220773387.4U CN217216103U (en) | 2022-04-01 | 2022-04-01 | Power distribution station low-voltage side fault on-line monitoring and diagnosing system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220773387.4U CN217216103U (en) | 2022-04-01 | 2022-04-01 | Power distribution station low-voltage side fault on-line monitoring and diagnosing system |
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| CN217216103U true CN217216103U (en) | 2022-08-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115833401A (en) * | 2023-02-17 | 2023-03-21 | 湖南磐云数据有限公司 | Data center tail end distribution bus on-line monitoring system |
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2022
- 2022-04-01 CN CN202220773387.4U patent/CN217216103U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115833401A (en) * | 2023-02-17 | 2023-03-21 | 湖南磐云数据有限公司 | Data center tail end distribution bus on-line monitoring system |
| CN115833401B (en) * | 2023-02-17 | 2023-04-21 | 湖南磐云数据有限公司 | Online monitoring system for distribution bus at tail end of data center |
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