CN108598890A - A kind of power distribution network ring main unit of automatic improving - Google Patents
A kind of power distribution network ring main unit of automatic improving Download PDFInfo
- Publication number
- CN108598890A CN108598890A CN201810878112.5A CN201810878112A CN108598890A CN 108598890 A CN108598890 A CN 108598890A CN 201810878112 A CN201810878112 A CN 201810878112A CN 108598890 A CN108598890 A CN 108598890A
- Authority
- CN
- China
- Prior art keywords
- unit
- ring main
- cable
- main unit
- module
- 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.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/24—Circuit arrangements for boards or switchyards
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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
- H02J11/00—Circuit arrangements for providing service supply to auxiliaries of stations in which electric power is generated, distributed or converted
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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
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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
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
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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
-
- 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
- Y04S20/248—UPS systems or standby or emergency generators
Abstract
The invention discloses a kind of power distribution network ring main units of automatic improving, collect unit including switching-state information collecting unit and communication, switching value acquisition module is set in ring main unit ontology, and the intrinsic switch of ring main unit and grounding switch are communicatively connected to monitoring switch state, communication collects unit and is set in ring main unit ontology, it includes the control module and communication module for communicating connection that communication, which collects unit, control module receives the switching-state information that switching-state information collecting unit is acquired, and transmits information to higher level's distribution main website by communication module.The advantages that the technology of the present invention effect is have and do not destroy former cabinet, do not destroy former cable and cable accessory, do not increase new cabinet, make full use of former cabinet space, and economic security is reliable.Ring main unit automatic monitoring is realized substantially simultaneously, will can be sent in time to power distribution automation main station on the operation information of ring main unit, and improvement expenses are relatively low, the requirement for the recent power distribution automation development that is content with very little.
Description
Technical field
The present invention relates to power distribution network looped network cabinet equipment, more particularly to the power distribution network ring main unit of a kind of automatic improving.
Background technology
Intelligent distribution network is strong intelligent grid important composition portion as one of strong six big link of intelligent grid is built
Point.In power distribution network, ring main unit carries the important sharing of load function of power distribution network cable run, and safe and stable operation is to matching
The power supply reliability of power grid plays a key effect.With the fast development of power distribution network, the method for operation of distribution system, device type
Etc. more sophisticateds, power distribution network is monitored if lacking effective monitoring system, pipe cannot be carried out to distribution Running State
Control, can not understand distribution network failure information in time, can not instruct to run and repair people when being abnormal situation, especially breaking down
Member's timely processing failure, influences the power supply reliability to user and good service.Therefore, it realizes and ring main unit automatic improving is reached
To remote real-time monitoring ability very it is necessary to.Currently, and with the continuous propulsion of Distribution Automation Technology, if directly to existing
Integral replacing or large-scale transformation are carried out without the ring main unit of automation function, then it is high to face improvement expenses, work
Journey implements complicated, the problems such as primary equipment transformation difficulty.Therefore, it is necessary in the case where reducing cost as far as possible to ring main unit
Automatic improving is carried out, to meet the requirement of operational monitoring and state management and control.
Invention content
It is too low in order to solve current ring main unit the degree of automation, cause to monitor ineffective, and extensive replacement cost is excessively high
Technical problem, the present invention provide a kind of simple possible and the power distribution network looped network of the automatic improving that can realize preferable monitoring effect
Cabinet.
In order to achieve the above technical purposes, the technical scheme is that, a kind of power distribution network ring main unit of automatic improving,
Further include switching-state information collecting unit and communication collects unit including ring main unit ontology, the switching-state information is adopted
It includes switching value acquisition module to collect unit, and the switching value acquisition module is set in ring main unit ontology, and is communicatively connected to
With monitoring switch state, the communication collects unit and is set to ring main unit ontology for the intrinsic switch of ring main unit and grounding switch
Interior, it includes the control module and communication module for communicating connection that communication, which collects unit, and control module receives switching-state information
The switching-state information that collecting unit is acquired, and higher level's distribution main website is transmitted information to by communication module.
A kind of power distribution network ring main unit of automatic improving further includes short-circuit collecting unit, the short circuit acquisition
Unit includes cable short circuit indicator, and the cable short circuit indicator is respectively arranged at the every of threephase cable in ring main unit ontology
On one phase cable and cable short-circuit conditions are monitored, communication collects unit and receives the cable short circuit letter that short-circuit collecting unit is acquired
Breath, and transmit information to higher level's distribution main website.
A kind of power distribution network ring main unit of automatic improving, further includes panel display unit, the Display panel
Unit is installed on the panel of ring main unit ontology and communicates to connect short-circuit collecting unit and ground connection collecting unit, panel display unit
Including processing module and display module, the processing module is communicatively connected to short-circuit collecting unit and ground connection collecting unit, and
Control display module is shown after receiving cable grounding information and cable short circuit information.
A kind of power distribution network ring main unit of automatic improving, further includes power supply module, power supply module setting
In in ring main unit ontology and connecting other working cells to provide electric power, power supply module includes be respectively arranged at threephase cable every
Voltage transformer on one phase cable and direct current output module, the voltage transformer is electrically connected direct current output module, described
Direct current output module carry out rectifying and pressure-regulating after export direct current.
A kind of power distribution network ring main unit of automatic improving, further includes backup power supply, backup power supply connection
Other working cells simultaneously provide back-up electric power, and backup power supply is super capacitor.
The technical effects of the invention are that the present invention, which has, does not destroy former cabinet, former cable and cable accessory are not destroyed, no
Increase new cabinet, makes full use of former cabinet space, the advantages that economic security is reliable.Realize ring main unit automation prison substantially simultaneously
It surveys, will can be sent in time to power distribution automation main station on the operation information of ring main unit, and improvement expenses are relatively low, is content with very little in the recent period
The requirement of power distribution automation development.
The invention will be further described below in conjunction with the accompanying drawings.
Description of the drawings
Fig. 1 is the short-circuit collecting unit of the present invention, communicates the installation for collecting unit, being grounded collecting unit and panel display unit
Schematic diagram；
Fig. 2 is that capacitance-voltage-distributing type mutual inductor of the present invention takes energy fundamental diagram；
Fig. 3 is ring main unit ontology appearance schematic diagram of the present invention.
Specific implementation mode
In order to realize the monitoring for various on off states in ring main unit, the present embodiment is to original position of the switch, ground connection
The auxiliary contact of disconnecting link etc. " remote signalling " signal is transformed, and accesses switching-state information collecting unit, realizes switching-state information
Acquisition.Wherein switching-state information collecting unit is realized using switching value acquisition module, and switching value general at present can be used and adopt
Collect module, is connected to the intrinsic switch of ring main unit and grounding switch with monitoring switch state.It can also be added as needed simultaneously
Air pressure signal monitoring unit is monitored the air pressure at ring main unit.
Referring to Fig. 1, the present embodiment is equipped with that short-circuit collecting unit, communication collects unit and ground connection is adopted in ring main unit ontology
Collect unit, short-circuit collecting unit includes cable short circuit indicator, and cable short circuit indicator is respectively arranged at three in ring main unit ontology
On each phase cable of phase cable and monitor cable short-circuit conditions.It includes cable grounding type fault detector to be grounded collecting unit,
Cable grounding type fault detector is set in ring main unit ontology on threephase cable and shares same cable ground connection per threephase cable
Type fault detector.Communication collects unit and receives the cable grounding information that ground connection collecting unit is acquired, and transmits information to
Higher level's distribution main website.
The information that above-mentioned switching-state information collecting unit, short-circuit collecting unit and ground connection collecting unit will be acquired
It is sent to communication and collects unit, communication collects unit and is set in ring main unit ontology, and it includes the company of communicating that communication, which collects unit,
The control module and communication module connect, control module receives corresponding status information, and is transmitted information to by communication module
Higher level's distribution main website.
In the present embodiment, a communication collects unit and can access multigroup switching-state information collecting unit, short circuit acquisition list
Member and ground connection collecting unit.Communication collects unit and is linked up with by installation settings, and wall built-up is installed in ring main unit.
For the ease of intuitively showing that cable run state that ring main unit is related to, the present embodiment are provided with Display panel list
Member, panel display unit are installed on the panel of ring main unit ontology and communicate to connect short-circuit collecting unit and ground connection collecting unit,
Panel display unit includes processing module and display module, and processing module is communicatively connected to short-circuit collecting unit and ground connection acquisition is single
Member, and receive control display module after cable grounding information and cable short circuit information and shown.By shining in the present embodiment
Diode is used as display module, and to reduce installation, use cost as far as possible, it is aobvious that other modes can also be used in actual use
Show.
In order to give each working cell to provide power for operation, the present invention is provided with power supply module, and power supply module is set to looped network
In cabinet ontology and connect other working cells to provide electric power, since the power consumption of each working cell is smaller, and if using
Battery powered can cause use cost to rise again, therefore the present embodiment is powered using voltage transformer for each working cell, power supply
Module includes the voltage transformer being respectively arranged on each phase cable of threephase cable and direct current output module, voltage transformer
It is electrically connected direct current output module, direct current output module exports direct current after carrying out rectifying and pressure-regulating.3 voltage transformers pass through special
Cable accessory, be separately mounted on three-phase bus, low-pressure side ground connection.By voltage transformer can obtain respectively UA, UB,
Then UC is connected to direct current output module by cable.Direct current output module realizes direct voltage output, and output voltage can basis
Actual conditions adjust,
In order to maintain ring main unit status monitoring, the present embodiment to be provided with standby electricity interior in short-term when there is power-off fault
Source, backup power supply are super capacitor.Ensure can to complete after primary equipment has a power failure with distribution main website normal communication at least 15 minutes,
Complete related remote signalling, the upload of fault message.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (6)
1. a kind of power distribution network ring main unit of automatic improving, including ring main unit ontology, which is characterized in that further include on off state letter
Breath collecting unit and communication collect unit, and the switching-state information collecting unit includes switching value acquisition module, described
Switching value acquisition module is set in ring main unit ontology, and is communicatively connected to the intrinsic switch of ring main unit and grounding switch to supervise
Slowdown monitoring switch state, the communication collect unit and are set in ring main unit ontology, and it includes communicating connection that communication, which collects unit,
Control module and communication module, control module receives the switching-state information that is acquired of switching-state information collecting unit, and
Higher level's distribution main website is transmitted information to by communication module.
2. a kind of power distribution network ring main unit of automatic improving according to claim 1, which is characterized in that further include that short circuit is adopted
Collect unit, the short-circuit collecting unit includes cable short circuit indicator, and the cable short circuit indicator is respectively arranged at ring
On each phase cable of threephase cable and cable short-circuit conditions are monitored in net cabinet ontology, and communication collects unit, and to receive short circuit acquisition single
The cable short circuit information that member is acquired, and transmit information to higher level's distribution main website.
3. a kind of power distribution network ring main unit of automatic improving according to claim 2, which is characterized in that further include that ground connection is adopted
Collect unit, the ground connection collecting unit includes cable grounding type fault detector, the cable grounding type fault detector
It is set in ring main unit ontology on threephase cable and shares same cable earthing type fault detector per threephase cable, communication collects
Unit receives the cable grounding information that ground connection collecting unit is acquired, and transmits information to higher level's distribution main website.
4. a kind of power distribution network ring main unit of automatic improving according to claim 3, which is characterized in that further include that panel is aobvious
Show that unit, the panel display unit are installed on the panel of ring main unit ontology and communicate to connect short-circuit collecting unit and ground connection
Collecting unit, panel display unit include processing module and display module, and the processing module is communicatively connected to short-circuit acquisition
Unit and ground connection collecting unit, and receive control display module after cable grounding information and cable short circuit information and shown.
5. a kind of power distribution network ring main unit of automatic improving according to claim 1, which is characterized in that further include power supply mould
Block, the power supply module are set in ring main unit ontology and connect other working cells to provide electric power, and power supply module includes
The voltage transformer and direct current output module being respectively arranged on each phase cable of threephase cable, voltage transformer electricity
Direct current output module is connected, the direct current output module exports direct current after carrying out rectifying and pressure-regulating.
6. a kind of power distribution network ring main unit of automatic improving according to claim 1, which is characterized in that further include standby electricity
Source, the backup power supply connect other working cells and provide back-up electric power, and backup power supply is super capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810878112.5A CN108598890A (en) | 2018-08-03 | 2018-08-03 | A kind of power distribution network ring main unit of automatic improving |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810878112.5A CN108598890A (en) | 2018-08-03 | 2018-08-03 | A kind of power distribution network ring main unit of automatic improving |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108598890A true CN108598890A (en) | 2018-09-28 |
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ID=63623034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810878112.5A Pending CN108598890A (en) | 2018-08-03 | 2018-08-03 | A kind of power distribution network ring main unit of automatic improving |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202014037U (en) * | 2011-04-01 | 2011-10-19 | 北京科兴洁电能技术有限公司 | Demarcation switch cabinet for cable line |
| CN107091971A (en) * | 2017-05-28 | 2017-08-25 | 东北电力大学 | A kind of looped network cabinet intelligent monitoring method based on Internet of Things |
| CN206878320U (en) * | 2017-06-20 | 2018-01-12 | 郑州林高电气有限公司 | A kind of intelligent switchboard |
| CN208806479U (en) * | 2018-08-03 | 2019-04-30 | 国网湖南省电力有限公司 | A kind of power distribution network ring network cabinet of automatic improving |
-
2018
- 2018-08-03 CN CN201810878112.5A patent/CN108598890A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202014037U (en) * | 2011-04-01 | 2011-10-19 | 北京科兴洁电能技术有限公司 | Demarcation switch cabinet for cable line |
| CN107091971A (en) * | 2017-05-28 | 2017-08-25 | 东北电力大学 | A kind of looped network cabinet intelligent monitoring method based on Internet of Things |
| CN206878320U (en) * | 2017-06-20 | 2018-01-12 | 郑州林高电气有限公司 | A kind of intelligent switchboard |
| CN208806479U (en) * | 2018-08-03 | 2019-04-30 | 国网湖南省电力有限公司 | A kind of power distribution network ring network cabinet of automatic improving |
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