CN112491136A - Intelligent power distribution system - Google Patents
Intelligent power distribution system Download PDFInfo
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- CN112491136A CN112491136A CN202011175295.8A CN202011175295A CN112491136A CN 112491136 A CN112491136 A CN 112491136A CN 202011175295 A CN202011175295 A CN 202011175295A CN 112491136 A CN112491136 A CN 112491136A
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- 238000012544 monitoring process Methods 0.000 claims abstract description 28
- 238000011897 real-time detection Methods 0.000 claims abstract description 26
- 238000000034 method Methods 0.000 claims abstract description 8
- 230000008569 process Effects 0.000 claims abstract description 6
- 230000002159 abnormal effect Effects 0.000 claims abstract description 5
- 238000004146 energy storage Methods 0.000 claims description 3
- 239000000779 smoke Substances 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 description 8
- 238000012423 maintenance Methods 0.000 description 7
- 230000002452 interceptive effect Effects 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Classifications
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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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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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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
-
- 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
- Y04S40/128—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 involving the use of Internet protocol
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses an intelligent power distribution system, which is respectively connected with a high-voltage cabinet, a transformer and a low-voltage cabinet, and comprises: the intelligent instrument assembly, the sensor assembly and the monitoring assembly are respectively connected with the high-voltage cabinet, the transformer, the low-voltage cabinet and the intelligent terminal, the running state of the power equipment is detected in real time, and real-time detection data are obtained and transmitted to the intelligent terminal; the intelligent terminal analyzes and processes the real-time detection data and transmits the real-time detection data and the analyzed and processed running state data to the intelligent management platform; and the intelligent management platform compares the real-time detection data with the running state data according to the prestored standard data, judges whether the running states of the high-voltage cabinet, the transformer and the low-voltage cabinet are normal or not, and sends out alarm information if the running states are abnormal. Through cloud framework, internet of things technology combination intelligent hardware, establish digital software platform, master distribution equipment running state, know equipment and energy consumption condition fast, judge in advance fast, reduce the power failure fault risk.
Description
Technical Field
The invention relates to the technical field of power equipment control, in particular to an intelligent power distribution system.
Background
The medium-voltage distribution network is an important link in power distribution, the traditional distribution network lacks unified asset management, equipment mainly depends on manual passive operation and maintenance, accidents such as power failure and the like often occur, along with the increasing improvement of users on power distribution and utilization, the customer service complaints are increasing, and the reliability of power supply in the power distribution field is more and more important.
The traditional power distribution and supply mode comprises a high-voltage cabinet, a distribution transformer and a low-voltage cabinet, the whole system is not monitored, the running state of equipment cannot be completely mastered, workers need to continuously visit on duty 24 hours a day, and invisible problems such as local overheating of nodes, local discharge in the cabinet, fault operation of a circuit breaker and the like are difficult to find in manual extensive type patrol, and can be detected by professional tools; therefore, the intellectualization of the power distribution system is accelerated, and the power supply reliability is improved, which is very urgent.
Disclosure of Invention
The embodiment of the invention aims to provide an intelligent power distribution system, which is characterized in that a digital software platform is constructed by combining intelligent hardware based on a cloud architecture and an Internet of things technology, the running state of power distribution equipment is mastered anytime and anywhere, the equipment and energy consumption conditions are quickly known, the judgment is quickly carried out, the power failure risk is reduced, the power equipment is changed from passive operation and maintenance to active operation and maintenance, and the full life cycle management of the power equipment is realized.
In order to solve the above technical problem, an embodiment of the present invention provides an intelligent power distribution system, where the intelligent power distribution system is connected to a high voltage cabinet, a transformer, and a low voltage cabinet, respectively, and the intelligent power distribution system includes: the intelligent management system comprises an intelligent instrument assembly, a monitoring assembly, a sensor assembly, an intelligent terminal and an intelligent management platform;
the intelligent instrument assembly, the sensor assembly and the monitoring assembly are respectively connected with the high-voltage cabinet, the transformer, the low-voltage cabinet and the intelligent terminal, the running states of the high-voltage cabinet, the transformer and the low-voltage power distribution cabinet are detected in real time, real-time detection data are obtained and are transmitted to the intelligent terminal;
the intelligent terminal analyzes and processes the real-time detection data and transmits the real-time detection data and the analyzed and processed running state data to the intelligent management platform;
and the intelligent management platform compares the real-time detection data with the running state data according to prestored standard data, judges whether the running states of the high-voltage cabinet, the transformer and the low-voltage cabinet are normal or not, and sends out alarm information if the running states are abnormal.
Further, the intelligent power distribution system further comprises: a mobile terminal APP;
the mobile terminal APP is connected with the intelligent management platform in a wireless mode, and the intelligent management platform transmits the information to acquire the running state of the high-voltage cabinet, the transformer and the low-voltage power distribution cabinet in real time.
Further, the mobile terminal APP is connected with the intelligent management platform through a GPRS.
Further, the high-voltage board includes: high voltage circuit breakers and arresters;
the intelligent instrument assembly, the sensor assembly and the monitoring assembly are respectively connected with the high-voltage circuit breaker and the lightning arrester, obtain the running state of the high-voltage circuit breaker and the lightning arrester and transmit the running state to the intelligent terminal.
Further, the operation state information of the high voltage circuit breaker includes: energy storage state, contact stroke and/or opening and closing state.
Further, the sensor assembly includes: noise sensors and vibration sensors;
the noise sensor and the vibration sensor are respectively preset in the high-voltage cabinet, the transformer and the low-voltage cabinet.
Further, the real-time detection data of the transformer comprises: current, voltage, active and reactive power, frequency, power factor, and/or empty load loss.
Further, the monitoring assembly includes: the device comprises a video monitoring unit, a smoke sensing monitoring unit and/or an infrared monitoring unit.
The technical scheme of the embodiment of the invention has the following beneficial technical effects:
through combining intelligent hardware based on cloud framework and internet of things, the digital software platform is constructed, and mobile terminal APP is collocated to realize online and offline interactive management, and anytime and anywhere masters distribution equipment running state, knows equipment and energy consumption condition fast, and quick prejudgement reduces power failure fault risk, makes power equipment follow passive operation and maintenance to initiative operation and maintenance, realizes power equipment's full life cycle management.
Drawings
Fig. 1 is a schematic diagram of an intelligent power distribution system according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
Fig. 1 is a schematic diagram of an intelligent power distribution system according to an embodiment of the present invention.
Referring to fig. 1, an embodiment of the present invention provides an intelligent power distribution system, where the intelligent power distribution system is respectively connected to a high voltage cabinet, a transformer, and a low voltage cabinet, and the intelligent power distribution system includes: the intelligent management system comprises an intelligent instrument assembly, a monitoring assembly, a sensor assembly, an intelligent terminal and an intelligent management platform; the intelligent instrument assembly, the sensor assembly and the monitoring assembly are respectively connected with the high-voltage cabinet, the transformer, the low-voltage cabinet and the intelligent terminal, the running states of the high-voltage cabinet, the transformer and the low-voltage power distribution cabinet are detected in real time, and real-time detection data are obtained and transmitted to the intelligent terminal; the intelligent terminal analyzes and processes the real-time detection data and transmits the real-time detection data and the analyzed and processed running state data to the intelligent management platform; and the intelligent management platform compares the real-time detection data with the running state data according to the prestored standard data, judges whether the running states of the high-voltage cabinet, the transformer and the low-voltage cabinet are normal or not, and sends out alarm information if the running states are abnormal.
Furthermore, the intelligent terminal analyzes and processes the real-time detection data, specifically, the intelligent terminal receives 0-5v or 5-20mA analog quantity data from the sensor, and the temperature and vibration values are judged according to the direct proportion relation of voltage, current, temperature, vibration and the like.
Specifically, the monitoring assembly includes: the device comprises a video monitoring unit, a smoke sensing monitoring unit and/or an infrared monitoring unit.
Further, the intelligent power distribution system further comprises: a mobile terminal APP; mobile terminal APP passes through wireless connection with intelligent management platform, acquires that intelligent management platform transmits to acquire the running state of high-voltage board, transformer and low-voltage distribution cabinet in real time.
Specifically, the intelligent terminal and the intelligent instrument assembly are communicated in modes of RS485, RS232 or 4G wireless networks and the like, and detection data such as voltage, current, active power, reactive power and the like are obtained. The detection data of a part of sensors outputting 0-5v or 4-20mA analog quantity is directly transmitted to an intelligent terminal for processing, for example: temperature, vibration, etc. In addition, the intelligent terminal collects detection data such as voltage, current, temperature, vibration, noise, partial discharge and the like and uploads the detection data to the intelligent management platform. The intelligent management platform is deployed on the basis of a cloud platform, has functions of receiving, displaying and analyzing data, can set a preset value, further realizes an alarm function, and pushes alarm information to the mobile client app.
The technical scheme of this embodiment combines intelligent hardware through based on cloud framework and internet of things, founds digital software platform, collocation mobile terminal APP realizes online interactive management offline, masters distribution equipment running state anytime and anywhere, knows equipment and energy consumption condition fast, and quick prejudgement reduces the power failure fault risk, makes power equipment follow passive fortune dimension to initiative fortune dimension, realizes power equipment's full life cycle management.
Optionally, the mobile terminal APP is connected with the intelligent management platform through the GPRS.
Specifically, the high-voltage board includes: high voltage circuit breakers and arresters; the intelligent instrument assembly, the sensor assembly and the monitoring assembly are respectively connected with the high-voltage circuit breaker and the lightning arrester, the running states of the high-voltage circuit breaker and the lightning arrester are obtained, and the running states are transmitted to the intelligent terminal.
The detection of the high-voltage cabinet mainly comprises the steps of comprehensively monitoring the energy storage state, the contact stroke, the opening and closing state and the like of the high-voltage circuit breaker, collecting the partial discharge state in the cabinet, and monitoring the running state of equipment such as a lightning arrester and the like
Specifically, the sensor assembly includes: noise sensors and vibration sensors; the noise sensor and the vibration sensor are respectively preset in the high-voltage cabinet, the transformer and the low-voltage cabinet.
The detection of the transformer mainly comprises: the method comprises the steps of monitoring the electric energy state of the transformer in real time, measuring parameters such as current, voltage, active and reactive power, frequency, power factor and empty load loss, analyzing harmonic waves, voltage deviation, transformer load rate, transformer service life and the like, monitoring the coil and ambient temperature of the transformer, automatically starting devices such as ventilation and heating according to temperature information, and achieving functions such as high-temperature alarming and high-temperature turn skipping.
The detection of low-voltage cabinet mainly includes: the working state of equipment such as a low-voltage circuit breaker and a capacitor is comprehensively monitored, parameters such as unhooking records, instantaneous current, historical maximum current, active, idle work, harmonic content and the like are calculated, the service life of the equipment is calculated, the quality states of temperature, humidity, voltage, current and electric energy are collected, monitored and recorded, intelligent analysis and capacitor switching are intelligently analyzed and controlled, and the residual current detection and protection functions can be realized.
Above detected data carry out unified processing and upload through intelligent terminal, send to the cloud platform on through GPRS, and the intelligent management platform carries out unified arrangement, analyzes whole distribution system's running state, realizes the quick early warning of trouble to look over the running state of equipment in real time through mobile terminal app, the interconnection intercommunication of intelligent management platform, intelligent terminal, mobile terminal data is realized to initiative propelling movement, the cost of using manpower sparingly.
The embodiment of the invention aims to protect an intelligent power distribution system which is respectively connected with a high-voltage cabinet, a transformer and a low-voltage cabinet, and comprises the following components: the intelligent management system comprises an intelligent instrument assembly, a monitoring assembly, a sensor assembly, an intelligent terminal and an intelligent management platform; the intelligent instrument assembly, the sensor assembly and the monitoring assembly are respectively connected with the high-voltage cabinet, the transformer, the low-voltage cabinet and the intelligent terminal, the running states of the high-voltage cabinet, the transformer and the low-voltage power distribution cabinet are detected in real time, and real-time detection data are obtained and transmitted to the intelligent terminal; the intelligent terminal analyzes and processes the real-time detection data and transmits the real-time detection data and the analyzed and processed running state data to the intelligent management platform; and the intelligent management platform compares the real-time detection data with the running state data according to the prestored standard data, judges whether the running states of the high-voltage cabinet, the transformer and the low-voltage cabinet are normal or not, and sends out alarm information if the running states are abnormal. The technical scheme has the following effects:
through combining intelligent hardware based on cloud framework and internet of things, the digital software platform is constructed, and mobile terminal APP is collocated to realize online and offline interactive management, and anytime and anywhere masters distribution equipment running state, knows equipment and energy consumption condition fast, and quick prejudgement reduces power failure fault risk, makes power equipment follow passive operation and maintenance to initiative operation and maintenance, realizes power equipment's full life cycle management.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (8)
1. The utility model provides an intelligent power distribution system, its characterized in that, intelligent power distribution system is connected with high-voltage board, transformer and low-voltage board respectively, includes: the intelligent management system comprises an intelligent instrument assembly, a monitoring assembly, a sensor assembly, an intelligent terminal and an intelligent management platform;
the intelligent instrument assembly, the sensor assembly and the monitoring assembly are respectively connected with the high-voltage cabinet, the transformer, the low-voltage cabinet and the intelligent terminal, the running states of the high-voltage cabinet, the transformer and the low-voltage power distribution cabinet are detected in real time, real-time detection data are obtained and are transmitted to the intelligent terminal;
the intelligent terminal analyzes and processes the real-time detection data and transmits the real-time detection data and the analyzed and processed running state data to the intelligent management platform;
and the intelligent management platform compares the real-time detection data with the running state data according to prestored standard data, judges whether the running states of the high-voltage cabinet, the transformer and the low-voltage cabinet are normal or not, and sends out alarm information if the running states are abnormal.
2. The intelligent power distribution system of claim 1, further comprising: a mobile terminal APP;
the mobile terminal APP is connected with the intelligent management platform in a wireless mode, and the intelligent management platform transmits the information to acquire the running state of the high-voltage cabinet, the transformer and the low-voltage power distribution cabinet in real time.
3. The intelligent power distribution system of claim 2,
the mobile terminal APP is connected with the intelligent management platform through GPRS.
4. The intelligent power distribution system of claim 1,
the high-voltage board includes: high voltage circuit breakers and arresters;
the intelligent instrument assembly, the sensor assembly and the monitoring assembly are respectively connected with the high-voltage circuit breaker and the lightning arrester, obtain the running state of the high-voltage circuit breaker and the lightning arrester and transmit the running state to the intelligent terminal.
5. The intelligent power distribution system of claim 4,
the operation state information of the high voltage circuit breaker includes: energy storage state, contact stroke and/or opening and closing state.
6. The intelligent power distribution system of claim 1,
the sensor assembly includes: noise sensors and vibration sensors;
the noise sensor and the vibration sensor are respectively preset in the high-voltage cabinet, the transformer and the low-voltage cabinet.
7. The intelligent power distribution system of claim 1,
the real-time detection data of the transformer comprises the following steps: current, voltage, active and reactive power, frequency, power factor, and/or empty load loss.
8. The intelligent power distribution system of claim 1,
the monitoring assembly includes: the device comprises a video monitoring unit, a smoke sensing monitoring unit and/or an infrared monitoring unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011175295.8A CN112491136A (en) | 2020-10-28 | 2020-10-28 | Intelligent power distribution system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011175295.8A CN112491136A (en) | 2020-10-28 | 2020-10-28 | Intelligent power distribution system |
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| CN112491136A true CN112491136A (en) | 2021-03-12 |
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| CN202011175295.8A Pending CN112491136A (en) | 2020-10-28 | 2020-10-28 | Intelligent power distribution system |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2282384A1 (en) * | 2009-07-30 | 2011-02-09 | Ormazabal Protection & Automation, S.L.U. | Management, automation and communications cabinet for an electric power distribution installation |
| CN202475013U (en) * | 2011-12-25 | 2012-10-03 | 陕西航天西诺美灵电气有限公司 | Intelligent power distribution device |
| CN103401170A (en) * | 2013-08-12 | 2013-11-20 | 四川大尔电气有限责任公司 | Box type transformer station |
| CN109167437A (en) * | 2018-09-28 | 2019-01-08 | 宁波盈泰电气有限公司 | A kind of method and system based on power distribution cabinet intelligent power distribution management |
| CN211790373U (en) * | 2020-01-21 | 2020-10-27 | 深圳市深泰明科技有限公司 | Assembled power distribution room |
-
2020
- 2020-10-28 CN CN202011175295.8A patent/CN112491136A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2282384A1 (en) * | 2009-07-30 | 2011-02-09 | Ormazabal Protection & Automation, S.L.U. | Management, automation and communications cabinet for an electric power distribution installation |
| CN202475013U (en) * | 2011-12-25 | 2012-10-03 | 陕西航天西诺美灵电气有限公司 | Intelligent power distribution device |
| CN103401170A (en) * | 2013-08-12 | 2013-11-20 | 四川大尔电气有限责任公司 | Box type transformer station |
| CN109167437A (en) * | 2018-09-28 | 2019-01-08 | 宁波盈泰电气有限公司 | A kind of method and system based on power distribution cabinet intelligent power distribution management |
| CN211790373U (en) * | 2020-01-21 | 2020-10-27 | 深圳市深泰明科技有限公司 | Assembled power distribution room |
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Application publication date: 20210312 |
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