CN202014069U - Special-purpose integrated distribution box for intelligent power grid - Google Patents

Special-purpose integrated distribution box for intelligent power grid Download PDF

Info

Publication number
CN202014069U
CN202014069U CN2011200703691U CN201120070369U CN202014069U CN 202014069 U CN202014069 U CN 202014069U CN 2011200703691 U CN2011200703691 U CN 2011200703691U CN 201120070369 U CN201120070369 U CN 201120070369U CN 202014069 U CN202014069 U CN 202014069U
Authority
CN
China
Prior art keywords
unit
intelligent
distribution box
control unit
comprehensive control
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2011200703691U
Other languages
Chinese (zh)
Inventor
李申
李晓伟
李伟涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HENAN XINYUE INDUSTRY Co Ltd
Original Assignee
HENAN XINYUE INDUSTRY Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by HENAN XINYUE INDUSTRY Co Ltd filed Critical HENAN XINYUE INDUSTRY Co Ltd
Priority to CN2011200703691U priority Critical patent/CN202014069U/en
Application granted granted Critical
Publication of CN202014069U publication Critical patent/CN202014069U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/30Reactive power compensation

Abstract

The utility model discloses a special-purpose integrated distribution box for intelligent power grid, comprising a distribution box body, a line inlet and outlet unit, a metering/meter unit, a reactive compensation unit and an intelligent integrated control unit, wherein the metering/meter unit, the reactive compensation unit and the intelligent integrated control unit are respectively fixed in the seal separator plate in the box body, and communicated with the line inlet and outlet unit, and the intelligent integrated control unit is used for identity identification, as well as monitoring and protection control of each data in distribution transformer operation process. The structure has the functions of electric energy distribution and control, electric energy metering, electric energy information acquisition, monitoring and measurement, reactive compensation and protection, etc. The structure is novel, reasonable and high in protection class, the detection information is wide, the control is simple and flexible, and the installation and debugging are convenient. The Special-purpose integrated distribution box for intelligent power grid is a piece of idea low pressure complete equipment in the current rural power grid reconstruction.

Description

Intelligent grid special comprehensive distribution box
Technical field
The utility model relates to a kind of power supply unit, and particularly a kind of intelligent grid special comprehensive distribution box belongs to electrical network transfer equipment field.
Background technology
Distribution box is a kind of power equipment indispensable in the electrical network transport process, according to rural power grids long-time running experience, design a kind of novel intelligent comprehensive distribution box in line with intelligence, safety, economy, reasonable, reliable principle, being the work arrangements that State Grid Corporation of China builds strong intelligent grid, also is the only way of rural power grids intellectualized reconstruction.
Summary of the invention
In view of the foregoing, the utility model aims to provide a kind of novel structure, reasonable in design, and the degree of protection height, overhauls intelligent grid special comprehensive distribution box easily at Installation and Debugging, maintenance.
The utility model is achieved through the following technical solutions:
Intelligent grid special comprehensive distribution box, comprise distribution box body, turnover line unit, metering/table meter unit, reactive power compensation unit and intelligent comprehensive control unit, distribution box door-plate surface is provided with LED display, wall box is provided with louvre, be added with the stainless steel Air Filter on the louvre, be provided with seal diaphragm in the casing, metering/table meter unit, reactive power compensation unit and intelligent comprehensive control unit are separately fixed in the interior seal diaphragm of casing, and are communicated with turnover line unit; Turnover line unit is connected into from the sidewall and/or the bottom of casing; turnover line unit comprises service entrance switch and goes out wiretap; service entrance switch has the circuit breaker of electronic control, goes out wiretap and is provided with RCD, and circuit breaker and protector are communicated with the intelligent comprehensive control unit respectively.Wherein, metering/table meter unit is used to show the electric energy indicating value; The control of intelligent comprehensive control unit is accepted in the reactive power compensation unit, and the electric energy transport process is carried out reactive power compensation; The intelligent comprehensive control unit, the every data monitoring that is used for identification and distribution transformer running is controlled with protection, and the intelligent comprehensive control unit is provided with remote communication interface.
Described metering/table meter unit is the intelligent multifunction electron watt-hour meter, and kilowatt-hour meter is provided with communication function, and kilowatt-hour meter is sealed in separately in the measuring room in the distribution box.
Described reactive power compensation unit is a capacitor compensation.
Described reactive power compensation unit also comprises filter, and filter produces anti-phase offset current by inversion and flows into electrical network.
Described intelligent comprehensive control unit also comprises Temperature Humidity Sensor and controller, and Temperature Humidity Sensor and controller are used for surrounding environment is carried out the data snooping of temperature, humidity.
Described intelligent comprehensive control unit also comprises the acoustic-electric alarm device, and the acoustic-electric alarm device is fixed on outside the casing.
Described intelligent comprehensive control unit also comprises camera, and described camera is fixed on the casing outside.
Described intelligent comprehensive control unit also comprises far-infrared sensor.
Intelligent grid special comprehensive distribution box described in the utility model; design and develop in line with intelligence, safety, economy, reasonable, reliable principle, product has functions such as power distribution, control, electric energy metrical, acquiring electric energy information and monitoring, measurement, reactive power compensation and protection.Novel structure, reasonable, the degree of protection height, detection information is extensive, control is simple, flexible, advantages such as Installation and Debugging, maintenance, maintenance convenience are low-voltage complete equipment desirable in the present upgrading of rural power grids, are suitable for using under the condition out of doors, rated frequency 50Hz is in the neutral-point solid ground distribution system of rated voltage 400V.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
Be further described below in conjunction with 1 pair of the utility model of accompanying drawing:
Intelligent grid special comprehensive distribution box described in the utility model comprises distribution box body 1, turnover line unit, metering/table meter unit 2, reactive power compensation unit 3 and intelligent comprehensive control unit 4.Intelligent comprehensive control unit 4 plays every data of distribution transformer running is monitored and managed as the maincenter of distribution box, and will monitor and manage bearing reaction in the control procedure of reality, realizes correspondingly protection control.Close, close control and aftercurrent action protecting or the like as the compensation of reactive power compensation unit 3 control, turnover line unit.
Wherein, distribution box is the casing of a relative closure, is provided with louvre 6 on the sidewall of distribution box body 1, is added with the stainless steel Air Filter on the louvre 6, prevents that dust from entering when guaranteeing heat radiation.Distribution box door-plate surface is provided with LED display 5, and LED display 5 can carry out the human-computer interaction operation with intelligent comprehensive control unit 4, the convenient detection data of observing, and control simplifies the operation.Be provided with seal diaphragm in the distribution box body 1, metering/table meter unit 2, reactive power compensation unit 3 and intelligent comprehensive control unit 4 are separately fixed in the interior seal diaphragm of casing, and are communicated with turnover line unit.
Turnover line unit enters from the sidewall of casing respectively, draws from the bottom, adopts hard busbar or cable to connect.Pass in and out the line unit and comprise service entrance switch and go out wiretap, service entrance switch is the circuit breaker 7 that has electronic control, and it accepts the control of intelligent comprehensive control unit 4, realizes the automatic disconnection and the closure of circuit, guarantees fail safe and reliability that circuit uses.Go out wiretap and be provided with RCD 8, it accepts the management and the control of intelligent comprehensive control unit 4 equally, finishes the protection action.RCD 8 can be adjusted the overload protection value according to transformer capacity or actual load, possesses the automatic reclosing function, and residual operating current is that 100~1000mA is adjustable, and 30~75mA is adjustable for sudden change residue operating current.
What metering/table meter unit 2 was selected for use is an intelligent multifunction electron watt-hour meter, be used to show the electric energy indicating value, apolegamy precision 0.5S level, data presented comprises: total electric energy indicating value, each rate electric energy indicating value, total electric flux, each rate electric flux, maximum demand etc.For making things convenient for the transmission of electric energy indicating value, on kilowatt-hour meter, also be provided with communication function, utilize wired or wireless telecommunication, realize data sharing, make things convenient for final-period management and control.And be to increase fail safe, kilowatt-hour meter is sealed in the measuring room separately usually.
The control of intelligent comprehensive control unit 4 is accepted in reactive power compensation unit 3, the electric energy transport process is carried out reactive power compensation, it comprises capacitor compensation and filter, and reactive power compensation unit 3 can realize that benefit, phase splitting compensation or three-phase are mended the mixed compensation pattern that combines with phase splitting compensation to three-phase altogether altogether.Mend capacitor altogether and adopt angle scheme, divide and mend capacitor employing star-star connection, mend altogether and be applicable to balanced load, divide to mend to be applicable to asymmetric or the impact load, the platform district to the loading condition complexity should adopt the mixed compensation pattern.Filter produces anti-phase offset current by inversion and flows into electrical network, and the harmonic wave in the filtering electrical network in real time can compensate simultaneously and administer the harmonic wave in the electrical network, idle and three-phase imbalance, but also separate compensation or improvement.
Intelligent comprehensive control unit 4 is as commander's control maincenter, and at first the every data to the distribution transformer running have monitoring function, and the main type of its Monitoring Data has: ac analog, electric energy data, electric energy statistics.Secondly, also will protect control to every Monitoring Data, protection control mainly comprises: overvoltage protection, overcurrent protection, overload protection, under-voltage protection, overtemperature protection etc.For improving monitoring range and monitoring effect, on intelligent comprehensive control unit 4, also be connected with Temperature Humidity Sensor and controller 11, far-infrared sensor 10, acoustic-electric alarm device 12 and camera 9.And be to realize data sharing, on intelligent comprehensive control unit 4, also be provided with remote communication interface 13, to keep the remote information communication.
According to above-mentioned concrete monitoring and protection control, the action of intelligent comprehensive control unit 4 mainly comprises:
1, user power utilization information monitoring
Realize the acquiring electric energy information of power distribution station, comprise electric energy meter data acquisition, electric power meter operating mode, power supply electric energy quality monitoring, and the monitoring of power load and electric flux, related data is handled storage, management and transmission.
2, distribution transforming metering summary table monitoring
Realize the integrated management of public power distribution station intelligent electric energy meter, examine the validity of its metering, to misoperation status analysis, the judgement of intelligent electric energy meter, alarm and finish related information transmission.
3, RCD monitoring
Realization has record, storage and upload function to the monitoring of RCD 8 running statuses and residual current numerical value.
4, status monitoring
The gentle gas density of monitoring distribution transformer oil, platform district outlet on off state, capacitor and filter switching state operation conditions etc. possess the abnormal alarm function in real time.
5, load management
Comprehensive control management power distribution station load is realized the control of transformer platform power definite value, the control of electric weight definite value, the control of rate definite value and distant place direct control function.
6, quality of power supply management
Support dynamic passive compensation and active power filtering mixed mode, the power distribution station reactive power is carried out quick dynamic compensation, the harmonic wave that frequency, size are all changed suppresses, and can follow the tracks of the each harmonic of the quick varying loading of compensation, and can administer platform district load three-phase imbalance problem.
7, line loss is calculated
The local analysis of realizing power distribution station line loss, loss on transmission calculates, and when line loss surpasses setting threshold, can report to the police according to default type of alarm.
8, economic operation analysis
By analyzing the distribution transformer three-phase load, adjust working voltage and three-phrase burden balance, and the economical operation of transformer and low-voltage circuit is analyzed.
9, security protection
(1) antitheft: by the measuring room door is installed additional lead sealing and locked, perhaps the acoustic-electric alarm device 12, or 9 pairs of transformer platform key facilities of camera distribution transformer etc. monitors in real time, and the abnormal information that monitors is in time uploaded.
(2) anti-electricity-theft: as to carry out real time on-line monitoring by 10 pairs of power distribution station power informations of far-infrared sensor, after noting abnormalities, start the abnormality processing flow process, improper power information is in time uploaded caution, prevent the generation of electricity filching behavior.
(3) information security: adopt the hardware security module of national Password Management office approval, realize encryption and decryption, guarantee accuracy, reliability and the fail safe of data to power distribution station storage, transmission.
10, interactive management
Long-range access way is provided, finishes bidirectional data interaction with operation maintenance personnel and user.Take rational power structure and power mode by electricity price strategy guiding user, improve the utilization ratio of electric power resource.
11, distributed power source access-in management
The user side distributed power supply system that inserts utility network is monitored and controlled.
12, asset management
Realize " identity " management of power distribution station capital equipment.
13, video monitor
Monitor power distribution station safe operation situation by camera 9, send unusual condition information and pictures such as alert at any time.
14, environmental monitoring
Monitor by temperature, humidity information that Temperature Humidity Sensor and controller 11 become distributed board outdoor, power distribution station and case in real time.
15, incident and alarming processing
All kinds of incidents and accident by configuration acoustic-electric alarm device 12 pairs of power distribution stations are reported to the police, and can realize to incident and accident automatic record, recollect and upload.
16, man-machine interaction
By the mode of LED display 5 and auxiliary configure generic button operation, it is mutual to finish man-machine interface, makes human-computer dialogue convenient and simple for operation.Certainly, also can be by abundant light indication information is provided, it is more directly perceived that the transformer platform operation information is represented.
In actual applications, distribution box body 1 is lifted on the support, and chamber door adopts embedded structure, and behind the upper chamber door of pass, chamber door and door frame are in same plane.Reactive power compensation unit 3 and intelligent comprehensive control unit 4 are separately fixed in the seal diaphragm in the casing 1, and metering/table is counted unit 2 and is sealed in separately in the interior measuring room of casing 1.Reactive power compensation unit 3 and metering/table meter unit 2 is corresponding with intelligent comprehensive control unit 4 respectively to be communicated with and to accept its control.The wire inlet-outlet of distribution box is provided with special-purpose stainless steel waterproof elbow, and 1 configuration of elbow and casing waterproof pad is to make things convenient for cable connection.LED display 5 is fixed on the chamber door, Temperature Humidity Sensor and controller 11, far-infrared sensor 10, acoustic-electric alarm device 12 and camera 9 by respective fixation on the position of needs monitorings, and all with intelligent comprehensive control unit 4 signal communication.In the work; intelligent comprehensive control unit 4 is realized man-machine interactive operation by LED display 5; make operating personnel in time understand and grasp distribution transformer ruuning situation and data; simultaneously; after 4 pairs of every Monitoring Data of intelligent comprehensive control unit are handled accordingly, are analyzed; the corresponding structure of control is protected control; as carry out the compensation control of the closure of service entrance switch circuit breaker 7, the overload protection that goes out wiretap RCD 8, reactive power compensation circuit, and utilize Information Monitoring to carry out acoustic-electric alarm etc.In the data acquisition and processing (DAP) process, intelligent comprehensive control unit 4 also can be sent to far-end with Information Monitoring by the mode of telecommunication and control in personnel's the monitor, after utilizing identity information to indicate the ruuning situation and service data of every station power distribution transformer, realize data sharing, information sharing, co-ordination prevents that fortuitous event from taking place.

Claims (8)

1. intelligent grid special comprehensive distribution box, it is characterized in that, comprise distribution box body, turnover line unit, metering/table meter unit, reactive power compensation unit and intelligent comprehensive control unit, described distribution box door-plate surface is provided with LED display, wall box is provided with louvre, be added with the stainless steel Air Filter on the louvre, be provided with seal diaphragm in the casing, described metering/table meter unit, reactive power compensation unit and intelligent comprehensive control unit are separately fixed in the interior seal diaphragm of casing, and are communicated with turnover line unit; Described turnover line unit is connected into from the sidewall and/or the bottom of casing; turnover line unit comprises service entrance switch and goes out wiretap that service entrance switch has the circuit breaker of electronic control, goes out wiretap and is provided with RCD; circuit breaker and protector are communicated with the intelligent comprehensive control unit respectively
Described metering/table meter unit is used to show the electric energy indicating value;
The control of intelligent comprehensive control unit is accepted in described reactive power compensation unit, and the electric energy transport process is carried out reactive power compensation;
Described intelligent comprehensive control unit, the every data monitoring that is used for identification and distribution transformer running is controlled with protection, and the intelligent comprehensive control unit is provided with remote communication interface.
2. intelligent grid special comprehensive distribution box according to claim 1 is characterized in that, described metering/table meter unit is the intelligent multifunction electron watt-hour meter, and kilowatt-hour meter is provided with communication function, and kilowatt-hour meter is sealed in separately in the measuring room in the distribution box.
3. intelligent grid special comprehensive distribution box according to claim 1 is characterized in that described reactive power compensation unit is a capacitor compensation.
4. intelligent grid special comprehensive distribution box according to claim 3 is characterized in that described reactive power compensation unit also comprises filter, and filter produces anti-phase offset current by inversion and flows into electrical network.
5. intelligent grid special comprehensive distribution box according to claim 1, it is characterized in that, described intelligent comprehensive control unit also comprises Temperature Humidity Sensor and controller, and described Temperature Humidity Sensor and controller are used for surrounding environment is carried out the data snooping of temperature, humidity.
6. intelligent grid special comprehensive distribution box according to claim 1 is characterized in that described intelligent comprehensive control unit also comprises the acoustic-electric alarm device, and the acoustic-electric alarm device is fixed on outside the casing.
7. intelligent grid special comprehensive distribution box according to claim 1 is characterized in that described intelligent comprehensive control unit also comprises camera, and described camera is fixed on the casing outside.
8. intelligent grid special comprehensive distribution box according to claim 1 is characterized in that described intelligent comprehensive control unit also comprises far-infrared sensor.
CN2011200703691U 2011-03-17 2011-03-17 Special-purpose integrated distribution box for intelligent power grid Expired - Fee Related CN202014069U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011200703691U CN202014069U (en) 2011-03-17 2011-03-17 Special-purpose integrated distribution box for intelligent power grid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011200703691U CN202014069U (en) 2011-03-17 2011-03-17 Special-purpose integrated distribution box for intelligent power grid

Publications (1)

Publication Number Publication Date
CN202014069U true CN202014069U (en) 2011-10-19

Family

ID=44784680

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011200703691U Expired - Fee Related CN202014069U (en) 2011-03-17 2011-03-17 Special-purpose integrated distribution box for intelligent power grid

Country Status (1)

Country Link
CN (1) CN202014069U (en)

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102570455A (en) * 2012-01-12 2012-07-11 天津市电力公司 Intelligent microgrid power-supply system
CN103034222A (en) * 2012-12-30 2013-04-10 山东南洋电器有限公司 Integration-monitoring integrated construction energy saving electrical system
CN103051064A (en) * 2012-12-28 2013-04-17 天津市武清供电有限公司 Comprehensive monitoring system for low-voltage power distribution station area
CN103390868A (en) * 2013-07-05 2013-11-13 国家电网公司 Safe and intelligent underground substation
CN103457236A (en) * 2013-07-04 2013-12-18 万能亿自动化科技(苏州)有限公司 Distribution box protection module
CN103715697A (en) * 2013-07-23 2014-04-09 陈振石 Rural power network intelligent comprehensive power distribution device
CN104466738A (en) * 2014-12-26 2015-03-25 常熟市古里电器厂 Visual power distribution cabinet
CN104714446A (en) * 2015-02-12 2015-06-17 国家电网公司 Intelligent monitoring device of distribution box
CN104734037A (en) * 2015-01-08 2015-06-24 淮北申正电力电控设备有限公司 Overhauling power box
CN104979765A (en) * 2015-07-10 2015-10-14 芜湖市晨曦新型建材科技有限公司 Anti-theft power distribution box based on solar energy
CN105958343A (en) * 2016-07-06 2016-09-21 张家港富士金属制品有限公司 Concealed-installed distribution box
CN106856305A (en) * 2015-12-09 2017-06-16 利思电气(上海)有限公司 A kind of outdoor type electric energy quality optimizing device
CN108183554A (en) * 2018-01-10 2018-06-19 深圳市三江电气股份有限公司 Intelligent distribution area
CN108363327A (en) * 2017-12-29 2018-08-03 南京点耐特信息科技有限公司 A kind of long-distance monitorng device of power distribution cabinet
CN109818413A (en) * 2019-01-17 2019-05-28 南京绿电智能科技有限公司 A kind of power module device of distribution terminal

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102570455A (en) * 2012-01-12 2012-07-11 天津市电力公司 Intelligent microgrid power-supply system
CN102570455B (en) * 2012-01-12 2013-11-20 天津市电力公司 Intelligent microgrid power-supply system
CN103051064A (en) * 2012-12-28 2013-04-17 天津市武清供电有限公司 Comprehensive monitoring system for low-voltage power distribution station area
CN103034222A (en) * 2012-12-30 2013-04-10 山东南洋电器有限公司 Integration-monitoring integrated construction energy saving electrical system
CN103457236B (en) * 2013-07-04 2016-03-23 基元电气有限公司 A kind of distribution box protection module
CN103457236A (en) * 2013-07-04 2013-12-18 万能亿自动化科技(苏州)有限公司 Distribution box protection module
CN103390868B (en) * 2013-07-05 2016-03-30 国家电网公司 A kind of buried substation of safe and intelligent
CN103390868A (en) * 2013-07-05 2013-11-13 国家电网公司 Safe and intelligent underground substation
CN103715697A (en) * 2013-07-23 2014-04-09 陈振石 Rural power network intelligent comprehensive power distribution device
CN104466738A (en) * 2014-12-26 2015-03-25 常熟市古里电器厂 Visual power distribution cabinet
CN104734037A (en) * 2015-01-08 2015-06-24 淮北申正电力电控设备有限公司 Overhauling power box
CN104714446A (en) * 2015-02-12 2015-06-17 国家电网公司 Intelligent monitoring device of distribution box
CN104979765A (en) * 2015-07-10 2015-10-14 芜湖市晨曦新型建材科技有限公司 Anti-theft power distribution box based on solar energy
CN106856305A (en) * 2015-12-09 2017-06-16 利思电气(上海)有限公司 A kind of outdoor type electric energy quality optimizing device
CN105958343A (en) * 2016-07-06 2016-09-21 张家港富士金属制品有限公司 Concealed-installed distribution box
CN108363327A (en) * 2017-12-29 2018-08-03 南京点耐特信息科技有限公司 A kind of long-distance monitorng device of power distribution cabinet
CN108183554A (en) * 2018-01-10 2018-06-19 深圳市三江电气股份有限公司 Intelligent distribution area
CN109818413A (en) * 2019-01-17 2019-05-28 南京绿电智能科技有限公司 A kind of power module device of distribution terminal

Similar Documents

Publication Publication Date Title
CN202014069U (en) Special-purpose integrated distribution box for intelligent power grid
CN105071536A (en) Intelligent distribution transformer area system
CN104810923A (en) Intelligent power distribution and use integrated terminal based on IEC61850 stipulation
CN203859389U (en) Distribution box and power grid intelligent distribution monitoring equipment
CN104283319A (en) Intelligent distribution transformer terminal
CN204992782U (en) Collecting and distributing monitoring device of electric power
CN205646842U (en) 10kV distributing type photovoltaic power generation access device that is incorporated into power networks
CN204835714U (en) Intelligent power distribution platform flora all
CN205160090U (en) Incessant little electric wire netting grid -connected interface integrated device of stable state has
CN208571394U (en) A kind of photovoltaic power generation box-type substation based on intelligent controller
CN104701986A (en) Intelligent terminal of box-type substation
CN109787363B (en) Safe power utilization system based on voice module
CN109470995A (en) A kind of distribution low-voltage cable junction box state monitoring apparatus and method for early warning
CN201107351Y (en) High voltage electrified display locking device
CN208043923U (en) A kind of insulation leakagel volume leakage automatic detection device of distribution box
CN201966497U (en) Multifunctional low-voltage measuring tank
CN207832923U (en) A kind of distributing monitoring system
CN204992783U (en) Distributing type electric power monitored control system
CN204759676U (en) Multiconfiguration electric fire monitors detector suitable for low -voltage distribution TT, TN system
CN106410851B (en) A kind of grid connection interface device for small distributed photovoltaic plant
CN113013988A (en) Intelligent power distribution cabinet based on double networks
CN104142648A (en) Management and control terminal of urban rail traffic low-voltage power distribution system
CN204992780U (en) Distributing type electric power detecting system
CN205039622U (en) Remote intelligent protection metrological control device
CN204304619U (en) A kind of photovoltaic electric field box-type substation measure and control device

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20111019

Termination date: 20170317