CN203504293U - Intelligent integrated power distribution cabinet - Google Patents
Intelligent integrated power distribution cabinet Download PDFInfo
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- CN203504293U CN203504293U CN201320607298.3U CN201320607298U CN203504293U CN 203504293 U CN203504293 U CN 203504293U CN 201320607298 U CN201320607298 U CN 201320607298U CN 203504293 U CN203504293 U CN 203504293U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
- Y04S20/242—Home appliances
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model relates to an intelligent integrated power distribution cabinet applied to a power distribution system. According to the intelligent integrated power distribution cabinet, a metering current transformer, a power distribution equipment working condition online detection terminal, an intelligent reactive compensation capacitor and a magnetic latching no-voltage contactor are mounted in a metal-housing control box according to a specified low-voltage apparatus mounting wiring standard; a wireless communication module which is matched with the power distribution equipment working condition online detection terminal is provided; and the power distribution equipment working condition online detection terminal comprises an electric energy metering module, a single-chip microcomputer module, an electrical-parameter acquisition module and a harmonic signal detecting module. The power distribution cabinet is connected with a mobile communication base station and a front end computer through a wireless module and an optical-fiber module, and uploading and receiving of power parameter data, early warning information and monitoring orders are achieved. The problems that a traditional power distribution system is high in operation loss, low in automatic degree, not reliable in power supply, poor in power supply quality and the like in operation are solved, and a good basis is laid for achieving intelligent monitoring management of the power distribution system.
Description
Technical field
The utility model relates to a kind of power distribution cabinet, specifically, has related to a kind of intelligent monitoring formula comprehensive distribution cabinet that is applied to distribution system.
Background technology
At present, in the vast distribution system network of China, because controller switching equipment, adopt traditional controller switching equipment, equipment and technology falls behind, and spoilage is high, directly has influence on the normal operation of distribute-electricity transformer district.
Current power distribution cabinet exists following problem in actual moving process:
1, automaticity is low.Lack monitoring, management backstage and corresponding communication apparatus.Check meter, parameters of electric power detection, control etc. rely on manually completely, efficiency is low, of poor benefits;
2, power unreliable.Traditional low-voltage distribution cabinet, does not have On-line Fault Detection early warning and remote monitoring function.Occurred after power failure often, then the scene of sending someone is searched then and is got rid of.Labourer is time-consuming, affects normal power supply.
3, power supply quality is poor.(1) rate of qualified voltage is low.Also because traditional low-voltage distribution cabinet lacks automatic on-line measuring ability, when distribution network voltage is too low, output voltage decreases.Lower voltage is during to (10 ﹪ of rated voltage), and the corresponding increase of electric current, burns power consumption equipment motor, causes that line loss increases; When distribution network voltage is too high, output voltage increases.During overtension (10 ﹪ that exceed rated voltage), distribution transforming iron core magnetic flux density increases, and transformer loss increases, and causes resonance, produces humorous sprinkling, and affects power consumption equipment, as: the normal use of incandescent lamp and household electrical appliance etc., can cause power consumption equipment to burn when serious.(2) three-phase is meritorious uneven.The load unbalanced ubiquity of distribute-electricity transformer district low voltage three-phase, unsymmetrical current can reduce transformer exerts oneself, (3) reactive power compensation weak effect.Conventionally the reactive power compensator adopting, only detection line voltage and a phase current, take power factor as switching foundation, easily cause single-phase overcompensation and undercompensation, during underloading, there will be throw in-of oscillation, aggravated spread of voltage situation, damage fling-cut switch and other power consumption equipment; Classification is few, unsuitable careful grouping.As 200kVA transformer routine, by 60kvar compensation capacity, divide 3 grades of configurations, single capacitance is 20kvar, cannot compensate many loss 31.5 ten thousand degree electric energy in 20 years lifetime of only this item transformer for the load or burden without work below 20kvar.
Utility model content
The problem that the utility model exists for prior art, designs a kind of Intelligent comprehensive power distribution cabinet, for distribution transformer platform area, implements intelligent power monitoring and management.
To achieve these goals, the technical scheme that the utility model adopts is:
A kind of Intelligent comprehensive power distribution cabinet, by metering current mulual inductor, the online sense terminals of controller switching equipment operating mode, intelligent powerless compensation capacitor, magnetic keeps contactor with no pressure low-voltage electrical apparatus according to the rules that wiring standard is installed, be arranged in metal shell control cabinet, with the supporting wireless communication module that is provided with of the online sense terminals of described controller switching equipment operating mode, the online sense terminals of described controller switching equipment operating mode comprises electric energy metering module, one-chip computer module, electrical quantity acquisition module, harmonic signal detection module, distribution transformer low-tension supply respectively with described metering current mulual inductor, intelligent powerless compensation capacitor, the online sense terminals of controller switching equipment operating mode, magnetic keeps contactor with no pressure to connect, form Intelligent comprehensive power distribution cabinet,
The online sense terminals of described controller switching equipment operating mode is connected with described intelligent powerless compensation capacitor by communication interface, to read the working condition information of intelligent powerless compensation capacitor, and uploads monitor message;
Described controller switching equipment operating mode online sense terminals control signal output and described magnetic keep contactor divide-shut brake coil with no pressure, press separating brake-separating brake, share-share, close a floodgate-combined floodgate connection successively, the control command that magnetic keeps contactor with no pressure to send according to the online sense terminals of controller switching equipment operating mode, carries out the energising of power supply divide-shut brake, power-off or sends the early warning of online detection failure signal;
Three-phase four-wire power line is connected in simultaneously to the working power input of the online sense terminals of described controller switching equipment operating mode and described intelligent powerless compensation capacitor, so that back work power supply to be provided;
Described power distribution cabinet is connected with the front end computer that consistency operation software is installed with mobile communication base station with optic module by the wireless module with the online sense terminals of controller switching equipment operating mode, completes the communication transfer task of uploading and receiving of parameters of electric power data, early warning information, monitored instruction.
Described Intelligent comprehensive power distribution cabinet, by three phase lines of the low-pressure side of distribution transformer low-tension supply, first respectively by three metering current mulual inductors, be then connected in the end of incoming cables that three-phase magnetic keeps contactor with no pressure, three-phase magnetic keeps the leading-out terminal of contactor with no pressure to output loading; The secondary side of three metering current mulual inductors is connected to the electric energy metering module input of the online sense terminals of controller switching equipment operating mode, forms metering circuit.
Described Intelligent comprehensive power distribution cabinet, the online sense terminals of controller switching equipment operating mode includes transformer temperature signal transducer, leakaging signal detecting circuit, harmonic signal Acquisition Circuit, voltage signal acquisition circuit, current signal Acquisition Circuit, switch condition detection circuit, lightning arrester leakage detecting sensor and microcontroller system circuit; Described transformer temperature signal transducer, leakaging signal detecting circuit, switch condition detection circuit, lightning arrester leakage detecting sensor output signal access respectively described microcontroller system circuit; Described harmonic signal Acquisition Circuit detects analytic unit circuit by harmonic wave and accesses described microcontroller system circuit; Described voltage signal acquisition circuit, current signal Acquisition Circuit access described microcontroller system circuit by electrical parameters detection analytic unit circuit; The output of described microcontroller system circuit is connected with output control terminal mouth circuit, and microcontroller system circuit is controlled 10kV disconnect or 400V circuit breaker or the instruction of A.C. contactor break-make by described output control terminal mouth circuit output; Described microcontroller system circuit connects wireless transmission received communication module by PORT COM.
The useful good effect of utility model:
1, the utility model Intelligent comprehensive power distribution cabinet is a kind of Intelligent comprehensive power distribution cabinet that utilizes high-efficiency energy-saving technology, computer technology and wireless mobile telecommunication technology exploitation.This Intelligent comprehensive power distribution cabinet, is applicable to distribution system power utilization environment, completes the Intelligent Measurement monitoring of distribute-electricity transformer district.Overcome distribution system, the problem of the existence in service such as running wastage is high, automaticity is low, it is unreliable to power, power supply quality is poor.For the construction of intelligent grid, a kind of intelligent end controller switching equipment is provided, also for realizing Intellectualized monitoring management, distribution system lays a good foundation.Integrate distribution transformer low-tension supply, controller switching equipment operating mode and detect online all or part of of Forewarning Terminal, intelligent powerless compensation device, metering device, contactor with no pressure, wireless module or optic module, the front end computer that backstage Master Station Software is installed, the aforementioned various device of public communication base station, for distribution transformer platform area, can implement the intelligent power monitoring of distribution system and management.
2, the utility model Intelligent comprehensive power distribution cabinet, perfect in shape and function, can complete that electric energy metrical (remote meter reading), electric energy quality monitoring (voltage, harmonic wave), distribution transforming operating mode (meritorious, idle, load, outer temperature) monitoring, reactive power compensation (improving voltage, power factor) issue control command, information is uploaded early warning task.In cabinet, the online sense terminals of configuration controller switching equipment operating mode, integrates the online sense terminals of controller switching equipment operating mode that is built-in with electric energy metering module, one-chip computer module, electrical quantity acquisition module, harmonic signal detection module, wireless module (GPRS), optic module (SFP).Can directly read electric energy electric weight, intelligent powerless compensation capacitor working condition, send monitored instruction, wireless network is uploaded or optical fiber is uploaded the online sense terminals of controller switching equipment operating mode of information.
3, the utility model keeps contactor with no pressure by described metering current mulual inductor, the online sense terminals of controller switching equipment operating mode, intelligent powerless compensation capacitor, magnetic, low-voltage electrical apparatus is according to the rules installed wiring standard, install after wiring interconnects, be arranged in metal shell control cabinet, and integrate, form Intelligent comprehensive power distribution cabinet.Intelligent powerless compensation device is to adopt the combined intelligent capacitor that computer technology, self-healing low-voltage capacitor, RS485 communication interface are main body, has operating passing zero function, that is: voltage zero-cross closes a floodgate and current over-zero separating brake.Fast response time during switch on and off, does not produce and shoves, and contact is not easy sintering, has significantly improved the useful life of capacitor and fling-cut switch; The networking modes such as three-phase total compensation, three-phase separate-supplement, mixed compensation, control three-phase equilibrium, accurate power ratio control factor to reach, avoid system to occur mending, owe the problems such as benefit and three-phase imbalance.In actual motion, solve the meritorious imbalance problem of three-phase, improved the power supply quality of low voltage electric network.
Accompanying drawing explanation
Fig. 1 is that the utility model Intelligent comprehensive power distribution cabinet forms and operation principle block diagram;
Fig. 2 is the utility model Intelligent comprehensive power distribution cabinet connection schematic diagram;
Fig. 3 is the online sense terminals structural representation of the utility model power distribution cabinet controller switching equipment operating mode.
Embodiment
Below by embodiment, the technical solution of the utility model is described in further detail.
embodiment 1
Referring to Fig. 1, the utility model Intelligent comprehensive power distribution cabinet 102, by metering current mulual inductor 103, the online sense terminals 105 of controller switching equipment operating mode, intelligent powerless compensation capacitor 104, magnetic keeps contactor 108 with no pressure low-voltage electrical apparatus according to the rules that wiring standard is installed, after interconnecting, be arranged in metal shell control cabinet, and, it neutralizes the supporting wireless communication module that is connected with of the online sense terminals 105 of described controller switching equipment operating mode, the online sense terminals 105 of described controller switching equipment operating mode comprises electric energy metering module, one-chip computer module, electrical quantity acquisition module, harmonic signal detection module, distribution transformer low-tension supply 101 respectively with described metering current mulual inductor, intelligent powerless compensation capacitor, the online sense terminals of controller switching equipment operating mode, magnetic keeps contactor with no pressure to connect, form Intelligent comprehensive power distribution cabinet,
The online sense terminals 105 of described controller switching equipment operating mode is connected with described intelligent powerless compensation capacitor 104 by communication interface, to read the working condition information of intelligent powerless compensation capacitor, and is monitored the information of uploading;
Described controller switching equipment operating mode online sense terminals control signal output and described magnetic keep contactor divide-shut brake coil with no pressure, press separating brake-separating brake, share-share, close a floodgate-combined floodgate connection successively, the control command that magnetic keeps contactor with no pressure to send according to the online sense terminals of controller switching equipment operating mode, carries out the energising of power supply divide-shut brake, power-off or sends the early warning of online detection failure signal;
Distribution transformer three-phase four-wire power line is connected in the working power input of the online sense terminals of described controller switching equipment operating mode and described intelligent powerless compensation capacitor simultaneously, so that back work power supply to be provided;
Described power distribution cabinet is connected with the front end computer 110 that consistency operation software is installed with mobile communication base station 109 with optic module 107 by the wireless module 106 being connected with the online sense terminals of controller switching equipment operating mode, jointly completes the communication transfer task of uploading and receiving of parameters of electric power data, early warning information, monitored instruction.
Embodiment 2
Referring to Fig. 1, Fig. 2.Intelligent comprehensive power distribution cabinet described in the present embodiment, contain metering circuit: by three phase lines of distribution transformer low-pressure side, first respectively by three metering current mulual inductors, then be connected in the end of incoming cables that three-phase magnetic keeps contactor with no pressure, three-phase magnetic keeps the leading-out terminal of contactor with no pressure to output loading; The secondary side of three metering current mulual inductors is connected to the electric energy metering module input of the online sense terminals of controller switching equipment operating mode, forms metering circuit.
Described Intelligent comprehensive power distribution cabinet, the online sense terminals of controller switching equipment operating mode includes transformer temperature signal transducer, leakaging signal detecting circuit, harmonic signal Acquisition Circuit, voltage signal acquisition circuit, current signal Acquisition Circuit, switch condition detection circuit, lightning arrester leakage detecting sensor and microcontroller system circuit.Referring to Fig. 3, described transformer temperature signal transducer, leakaging signal detecting circuit, switch condition detection circuit, lightning arrester leakage detecting sensor output signal access respectively described microcontroller system circuit; Described harmonic signal Acquisition Circuit detects analytic unit circuit by harmonic wave and accesses described microcontroller system circuit; Described voltage signal acquisition circuit, current signal Acquisition Circuit access described microcontroller system circuit by electrical parameters detection analytic unit circuit; The output of described microcontroller system circuit is connected with output control terminal mouth circuit, and microcontroller system circuit is controlled 10kV disconnect or 400V circuit breaker or the instruction of A.C. contactor break-make by described output control terminal mouth circuit output; Described microcontroller system circuit connects wireless transmission received communication module by PORT COM.
embodiment 3
Referring to Fig. 1, Fig. 2, Fig. 3, wherein, distribution transformer low-tension supply 101 keeps contactor 108 with no pressure to be connected with described metering current mulual inductor 103, intelligent powerless compensation electric capacity 104, the online sense terminals 105 of controller switching equipment operating mode, magnetic respectively, low-voltage electrical apparatus is according to the rules installed wiring standard, install after wiring interconnects, be arranged in metal shell control cabinet, and integrate, form Intelligent comprehensive power distribution cabinet.
As shown in Figure 2, by three phase lines of distribution transformer low-pressure side, first respectively by three metering current mulual inductors, be then connected in the end of incoming cables 214 of three-phase contactor with no pressure, the leading-out terminal 215 of three-phase contactor with no pressure is connected to output loading; The secondary side of three metering current mulual inductors is connected to the electric energy metering module input of the online sense terminals of controller switching equipment operating mode, forms metering circuit;
Three-phase four-wire power line is connected in simultaneously to the working power input 210 of the online sense terminals of described controller switching equipment operating mode and intelligent powerless compensation capacitor, so that back work power supply to be provided; The online sense terminals RS485 communication interface of described controller switching equipment operating mode is connected by A-A, B-B respectively with the RS485 interface of described intelligent powerless compensation capacitor, to read the working condition information of intelligent powerless compensation capacitor, and is monitored the information of uploading;
The online sense terminals control signal of described controller switching equipment operating mode output 211 and described contactor divide-shut brake coil 212 with no pressure, press separating brake-separating brake, share-share, close a floodgate-combined floodgate connection successively, the control command of sending according to the online sense terminals of controller switching equipment operating mode, carries out the energising of power supply divide-shut brake, power-off or sends the early warning of online detection failure signal;
The online sense terminals of controller switching equipment operating mode is connected with the front end computer radio that consistency operation software is installed by GPRS wireless network with mobile communication base station, completes the communication transfer task of uploading and receiving of parameters of electric power data, early warning information, monitored instruction.Described power supply station front end computer is the common computer that backstage function software of main website is installed.Backstage function software of main website is the backstage function software of main website that meets State Grid Corporation of China's company standard.Mobile communication base station provides Network communication service.
The online sense terminals of described controller switching equipment operating mode is the online sense terminals of controller switching equipment operating mode that integrates electric energy metering module, one-chip computer module, electrical quantity acquisition module, harmonic signal detection module, wireless module (GPRS), optic module (SFP).Can directly read electric energy electric weight, intelligent powerless compensation capacitor working condition, send monitored instruction, wireless network is uploaded or optical fiber is uploaded the online sense terminals of controller switching equipment operating mode of information.This Intelligent comprehensive power distribution cabinet, perfect in shape and function.Can complete that electric energy metrical (remote meter reading), electric energy quality monitoring (voltage, harmonic wave), distribution transforming operating mode (meritorious, idle, load, outer temperature) monitoring, reactive power compensation (improving voltage, power factor) issue control command, information is uploaded early warning task.
Intelligent powerless compensation device is to adopt the combined intelligent capacitor that computer technology, self-healing low-voltage capacitor, RS485 communication interface are main body, has operating passing zero function, that is: voltage zero-cross closes a floodgate and current over-zero separating brake.Fast response time during switch on and off, does not produce and shoves, and contact is not easy sintering, has significantly improved the useful life of capacitor and fling-cut switch; The networking modes such as three-phase total compensation, three-phase separate-supplement, mixed compensation, control three-phase equilibrium, accurate power ratio control factor to reach, avoid system to occur mending, owe the problems such as benefit and three-phase imbalance.In actual motion, solve the meritorious imbalance problem of three-phase, can improve the power supply quality of low voltage electric network.
Claims (3)
1. an Intelligent comprehensive power distribution cabinet, by metering current mulual inductor, the online sense terminals of controller switching equipment operating mode, intelligent powerless compensation capacitor, magnetic keeps contactor with no pressure low-voltage electrical apparatus according to the rules that wiring standard is installed, be arranged in metal shell control cabinet, it is characterized in that: and the supporting wireless communication module that is provided with of the online sense terminals of described controller switching equipment operating mode, the online sense terminals of described controller switching equipment operating mode comprises electric energy metering module, one-chip computer module, electrical quantity acquisition module, harmonic signal detection module, distribution transformer low-tension supply respectively with described metering current mulual inductor, intelligent powerless compensation capacitor, the online sense terminals of controller switching equipment operating mode, magnetic keeps contactor with no pressure to connect, form Intelligent comprehensive power distribution cabinet,
The online sense terminals of described controller switching equipment operating mode is connected with described intelligent powerless compensation capacitor by communication interface, to read the working condition information of intelligent powerless compensation capacitor, and uploads monitor message;
Described controller switching equipment operating mode online sense terminals control signal output and described magnetic keep contactor divide-shut brake coil with no pressure, press separating brake-separating brake, share-share, close a floodgate-combined floodgate connection successively, the control command that magnetic keeps contactor with no pressure to send according to the online sense terminals of controller switching equipment operating mode, carries out the energising of power supply divide-shut brake, power-off or sends the early warning of online detection failure signal;
Three-phase four-wire power line is connected in simultaneously to the working power input of the online sense terminals of described controller switching equipment operating mode and described intelligent powerless compensation capacitor, so that back work power supply to be provided;
Described power distribution cabinet is connected with the front end computer that consistency operation software is installed with mobile communication base station with optic module by the wireless module with the online sense terminals of controller switching equipment operating mode, completes the communication transfer task of uploading and receiving of parameters of electric power data, early warning information, monitored instruction.
2. Intelligent comprehensive power distribution cabinet according to claim 1, it is characterized in that: by three phase lines of the low-pressure side of distribution transformer low-tension supply, first respectively by three metering current mulual inductors, then be connected in the end of incoming cables that three-phase magnetic keeps contactor with no pressure, three-phase magnetic keeps the leading-out terminal of contactor with no pressure to output loading; The secondary side of three metering current mulual inductors is connected to the electric energy metering module input of the online sense terminals of controller switching equipment operating mode, forms metering circuit.
3. Intelligent comprehensive power distribution cabinet according to claim 1 and 2, is characterized in that: the online sense terminals of described controller switching equipment operating mode includes transformer temperature signal transducer, leakaging signal detecting circuit, harmonic signal Acquisition Circuit, voltage signal acquisition circuit, current signal Acquisition Circuit, switch condition detection circuit, lightning arrester leakage detecting sensor and microcontroller system circuit;
Described transformer temperature signal transducer, leakaging signal detecting circuit, switch condition detection circuit, lightning arrester leakage detecting sensor output signal access respectively described microcontroller system circuit;
Described harmonic signal Acquisition Circuit detects analytic unit circuit by harmonic wave and accesses described microcontroller system circuit;
Described voltage signal acquisition circuit, current signal Acquisition Circuit access described microcontroller system circuit by electrical parameters detection analytic unit circuit;
The output of described microcontroller system circuit is connected with output control terminal mouth circuit, and microcontroller system circuit is controlled 10kV disconnect or 400V circuit breaker or the instruction of A.C. contactor break-make by described output control terminal mouth circuit output;
Described microcontroller system circuit connects wireless transmission received communication module by PORT COM.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320607298.3U CN203504293U (en) | 2013-09-30 | 2013-09-30 | Intelligent integrated power distribution cabinet |
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| CN201320607298.3U CN203504293U (en) | 2013-09-30 | 2013-09-30 | Intelligent integrated power distribution cabinet |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105406601A (en) * | 2015-12-31 | 2016-03-16 | 深圳市科瑞悦电气设备有限公司 | Intelligent power distribution cabinet monitoring system and monitoring method |
| CN106329327A (en) * | 2015-06-24 | 2017-01-11 | 无锡阿比利德电力科技有限公司 | Binary low-voltage lead-in power distribution cabinet |
| CN106899015A (en) * | 2017-03-24 | 2017-06-27 | 西安特锐德智能充电科技有限公司 | A kind of underground garage power supply-distribution system |
| CN110086259A (en) * | 2019-05-16 | 2019-08-02 | 成都电精灵电力科技有限公司 | A kind of operation power maintenance preventive trial early warning system and self-management system |
-
2013
- 2013-09-30 CN CN201320607298.3U patent/CN203504293U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106329327A (en) * | 2015-06-24 | 2017-01-11 | 无锡阿比利德电力科技有限公司 | Binary low-voltage lead-in power distribution cabinet |
| CN105406601A (en) * | 2015-12-31 | 2016-03-16 | 深圳市科瑞悦电气设备有限公司 | Intelligent power distribution cabinet monitoring system and monitoring method |
| CN106899015A (en) * | 2017-03-24 | 2017-06-27 | 西安特锐德智能充电科技有限公司 | A kind of underground garage power supply-distribution system |
| CN110086259A (en) * | 2019-05-16 | 2019-08-02 | 成都电精灵电力科技有限公司 | A kind of operation power maintenance preventive trial early warning system and self-management system |
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