CN107769055A - Power distribution automation cabinet and its application - Google Patents
Power distribution automation cabinet and its application Download PDFInfo
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- CN107769055A CN107769055A CN201711245993.9A CN201711245993A CN107769055A CN 107769055 A CN107769055 A CN 107769055A CN 201711245993 A CN201711245993 A CN 201711245993A CN 107769055 A CN107769055 A CN 107769055A
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- Prior art keywords
- cabinet
- power distribution
- distribution automation
- automation cabinet
- module
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/173—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal drawer type
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- 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
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/308—Mounting of cabinets together
Abstract
The invention discloses a kind of power distribution automation cabinet, including cabinet and multiple drawer type cabinets, cabinet is flexibly connected with drawer type cabinet, and drawer type cabinet is located in cabinet, power distribution automation cabinet is provided with multiple functional modules, and each functional module is assembled to form drawer unit module in power distribution automation cabinet with drawer type.Compared with prior art, power distribution automation cabinet provided by the invention, it can be produced the power distribution automation cabinet as standard product, also each functional module equipment in the power distribution automation cabinet can be produced as standard product and designed, support the use any one ring main unit group that it is provided with prior art or market is sold；And significantly solve safety issue existing for outdoor switching station of the prior art, while the power supply continuity of outdoor switching station can be improved, the more conducively development and management of the intelligent grid in China, therefore application prospect is very wide.
Description
This case is the divisional application of application number 2014102217639.
Technical field
The present invention relates to electrical power distribution automatization system, more specifically, being to be related to a kind of power distribution automation cabinet and its application, belong to
Electrical equipment technical field of automation.
Background technology
Power system includes generating, transmission of electricity, power transformation, the several key links of distribution, and wherein distribution is to region be directly facing electric power use
The function at family.In China, the situation of " retransmit, gently supply, be ineffective " is formd for a long time, and distribution network system seriously falls behind, caused
Make that residential electricity consumption line loss is high, voltage is low, power supply is unreliable, turn into bottleneck of the power system for electricity consumption.In early stage power grid construction,
More pay attention to generating electricity and transmitting electricity, and distribution and electricity consumption link are often little accounted of.Therefore, in recent years, country's input substantial contribution,
By the city and countryside power grid modification of several wheels, substantial amounts of circuit, switch and transformer etc. have been transformed, has carried out distribution construction.Distribution is as city
City and the carrier of rural power service, the stability and security of distribution, the power supply safety of huge numbers of families is directly connected to, is had important
Economic value and social effect.With the development of the social economy, the process of electricity marketization deepens continuously, user can to electric energy
Requirement by property and quality is also constantly being lifted, and urban distribution network radius of electricity supply is shorter and shorter, and power distribution network power distribution room obtains extensively should
With.Power distribution network power distribution room is the self-healing of power distribution network and interactive key node, and single " three of function are applied mechanically in power distribution room automation
It is distant " monitoring and feeder automation function construction mode, it is difficult to meet the demand for development of intelligent power distribution automation.And intelligence electricity
Net be power industry again revolution, be tackle the whole world, whole mankind's energy, environment, weather, economy, sustainable development it is comprehensive
Solution is closed, represents the direction of following power network research and development.Power distribution network is electric energy application, user oriented window, is
The important component of intelligent grid, and the intelligentized important breakthrough mouth of power network.
Power distribution automation refers to be combined with power equipment using hyundai electronicses, the communication technology, computer techno-stress technology,
Monitoring, protection, control, metering and the work management of power supply department of the power distribution network under normal and accident conditions are organically merged
Together, power supply quality is improved, more closely more responsible relation is established with user, meets that user requires more with reasonable prices
Sample, it is best to make every effort to power supply economics.At present, it is to be based on communication network, ca bin and background computer network mostly
Electrical power distribution automatization system, in power distribution network normal operation also can play monitoring power distribution network operation conditions and remote control change operation side
It the effect of formula, can in time discover during failure, but lack automatic control function mostly.Even if minority system, which possesses, automatically controls work(
Can, also because system excessively complexity, redundancy so that it is with high costs, be not suitable for popularization and application.
Before reform and opening-up, most cities are also without the special compact district of load for forming sheet, therefore user's power supply is most
It is that user transformers are directly or indirectly sent to by the 10KV circuits from transformer station, distribution system is mainly to set dry fit spoke
Penetrate based on formula, system connection is simple.But in the past 20 years, national economy there occurs change at full speed, city tend to densification,
Urbanization, urban distribution network power load soars, and forms load intensive area, and load density is from original hundreds of kW/km2Rise to
Tens thousand of kW/km2, original power supply mode significantly exposes many weakness：Circuit is grown, and line loss is big, quality of voltage is poor；At failure
Reason situation is complicated；Line facility operation maintenance management workload is big；Add User dilatation difficulty；Due to urban planning requirement, line
It is more and more difficult that road sets up corridor.Substation line directly arrives this mode of user and is difficult to meet urban development demand, thus closely
In the past few years propose a kind of new power supply mode --- by switching station to customer power supply, the difference of these switching stations and transformer station is only
Only it is no main transformer and breaker.On distribution network wiring construction, development trend is powered using looped network form, and looped network supplies
Power mode can improve the reliability of power supply, and user can obtain power supply from switching station's ring-main unit end, reduce the power failure of accident
Area.Ring network structure has monocyclic, polycyclic point, also open loop, the difference of closed loop.According to the difference using function, monocyclic, open loop
The second part of distribution network systems one of operation can be divided into 5 modules；1) transformer station's wire-outgoing breaker；2) loop grid；3) loop networks switch
Cabinet；4) user 10KV power distribution equipments；5) user transformers.According to loop-network switch cabinet, user 10KV power distribution equipments and user's transformation
The various combination of device, three kinds of loop networks switch station, customer substation and looped network customer substation different modes can be formed, at these
In pattern, the main equipment as ring network power supply --- ring main unit, then increasingly paid attention to by power supply department and user.
Ring main unit is that one group of high-tension switch gear is mounted in metal or non-metallic insulation cabinet or made assembled compartment ring
The electric equipment of net power supply unit, its basic part as urban distribution network, the security of ring main unit is distribution network feeder peace
The important leverage of full property.In recent years, in urban distribution network, because the accident of power supply that ring main unit failure occurs is of common occurrence.It is common
Ring main unit failure include switch malfunction, relay fail, external force destroy, switching gas leakage, end heating blast etc..It is existing
It is that distribution automation remote terminal DTU, corresponding communicating terminal are installed in ring main unit to have and solve the effective ways of this problem
ONU and the Microcomputer Protection being arranged at the top of ring main unit group and control module are realized.In the prior art to these automation functions
Module is divided into distributed frame and centralized configuration.Installation for the automatic function module of distributed frame is divided into two ways
Installation：One kind is to set this kind of automation function module to inside ring main unit, but has 10000V height inside ring main unit
The arrangement space difficulty of equipment, DTU and ONU is pressed, even if can install, it is also difficult to ensure the operation of complete stability；It is another kind of to be
This kind of automation function module is attached to outside switch cubicle, and any of this kind of automation function module is put, and causes operation to set
It is messy for putting, bring certain influence to maintenance work.It is that this kind of functional module is independently concentrated on one for centralized configuration
In individual protection device cabinet, such as a kind of existing cabinet type DTU closed equipments, be provided with DTU cabinet body main control chip with
And the interface being connected with ring main unit Zhong Ge road outlets, by the way that each road outlet of ring main unit is respectively connecting into DTU and ONU, with profit
Ring main unit is monitored with DTU and ONU, avoids or exclude ring main unit failure.However, as urban economy development is to ring main unit
It is also further obvious in place of the deficiencies in the prior art Deng the requirement more and more higher of primary equipment, for example, ring main unit generally has multichannel
Outlet, and DTU and ONU can only be fixed on a certain position in ring main unit, then be connected to each road outlet of ring main unit using cable
During DTU and ONU, cable routing is apart from long, and complicated, security is poor；And when outlet is broken down all the way, it can influence
Monitoring to other all outlets, cause whole ring main unit can not normal work.Fig. 1 and Fig. 2 is that open air of the prior art is opened
Close front view and sectional view, as depicted in figs. 1 and 2：Be placed in ring main unit top Microcomputer Protection and control module due to being
It is fixedly connected in ring main unit group, internal cabling is chaotic；And the functional module need to change the work(because of its protective effect easily failure
Can module, but because its sets the defects of, often because security consideration, it is necessary to by whole ring main unit group power-off, What is more or even
Whole switching station's power-off, has had a strong impact on the power supply continuity and security of power distribution network；In addition, as shown in Fig. 2 functional module
Rear side have a large amount of space wastes, fail to make full use of.
Outdoor switching station can all influence the accurate of secondary device due to self structure reason, environmental problem, installation question etc.
Property, cause the malfunction of secondary device, add frequency of power cut, expand power supply interrupted district, increase maintenance workload.Work as needs
When overhauling secondary device, anti-misoperation a sub-cell can typically be had a power failure or whole ring main unit has a power failure.When secondary device is faulty
, it is necessary to detect one by one when carrying out largely arranging trouble hunting, location of fault is determined, then to producing the component of the failure
Change, and the substantial amounts of secondary connection carried out works and mode work, can so expand the region of power failure significantly and extend power failure
Time.And because producer and scheme of electric power are different, the member that the power distribution automation cabinet in various types of outdoor switching stations is selected
Device is often different, and size can not more be unified, and causes the component of power distribution automation cabinet in outdoor switching station without logical
With and interchangeability, accordingly even when maintenance when, scene determine failure, it is also possible to suitable member replacing, nothing can not be found in time
Method restores electricity in a short time, it is impossible to meets modern power reguirements.All ring main units in use and power distribution automation cabinet
Can occur damaging, repair or changing situation, and unit of operation of powering can not possibly be to the ring main unit and distribution of all producers
Automation cabinet all understands and known, also can not be automatic to the distribution of various types, different manufacturers, different scheme of electric power
The component changed in cabinet and ring main unit has backup, so when ring main unit and outdoor opening and closing break down, it is impossible to find in time
Corresponding element replacement, causing can not highly reliable continuous power supply.But advocated in today's society and improve distribution automation construction,
Highly reliable continuous power supply is also the basic of distribution automation.The length of power off time directly affects the direct economy damage of power supply unit
Lose, it is electrified when through society, reliable continuous power supply is even more important for improving constantly, the loss of user be possible to far beyond
The loss of the electricity charge, reliably continuously power as the important criterion of power supply contract.Therefore standardization, modularization can only be improved
Equipment could improve general and commutative rate, but the history that these producers and equipment in use are very long, can not reach for the moment
To high standardization and modularization.Some improvement have been carried out to outdoor switching station or even power distribution automation cabinet in the prior art：Such as CN
202509989 disclose a kind of outdoor switching station, and having carried out simple structure only for its door improves, original bellow framed door
It is changed to left and right sliding door；As Chinese patent CN103715616 discloses a kind of ring main unit, the global design simplification to ring main unit with
Simplify back panel wiring and reduce installation workload, be not opposite to the Microcomputer Protection on ring main unit top and the internal junction of control module
Structure is improved；As Chinese patent CN203367797 discloses a kind of intelligent power distribution automatization terminal case, to automatization terminal case
It is divided into a secondary chamber and secondary chamber's up-down structure, is still difficult to the failure for confirming automatization terminal case, causes maintenance difficult；Such as China
Patent CN202997354 discloses a kind of distribution automation ring main unit, and the ring main unit includes some ring main units, DTU cabinets and led to
Cabinet is interrogated, but the structure in DTU cabinets and communication counter cabinet is not improved；As Chinese patent CN103579946 discloses a kind of distribution certainly
The integrated ring main unit of dynamicization, integrate distribution automation intelligent terminal and switchgear, but not to automatic intelligent terminal
Structure is improved.
To sum up state, be in the prior art to only improve nothing but to outdoor switching station, the especially improvement of power distribution automation cabinet
The connected mode of circuit, or only improve a certain position and carry out simple structure improvement, and to reduce power failure area, reducing and stop
Improvement fundamentally is carried out on the electric time.
In addition, with standardization of the country to electric utility, all power equipments all need to meet national grid standard；But mesh
Before for, because the manufacturer of power equipment is different, the power equipment produced is also different, causes with electric power thing
The development of industry, national grid standard have been unified, therefore each manufacturer must be used having been put into according to national grid standard
Each switching station transformed, the cabling rearrangement of all devices that will be in outdoor switching station, drawn equivalent to by each equipment
Return in factory and produce again, uniformly bring certain difficulty to national grid standard, do not solve national grid fundamentally
Transformation requirement to distribution automation.
So, there is provided a kind of power supply continuity and the good power distribution automation cabinet of security, are urgently to solve in the prior art
Certainly the problem of.
The content of the invention
In view of the above-mentioned problems existing in the prior art, a purpose of the invention is to provide a kind of power supply continuity and security
Splendid power distribution automation cabinet, the power distribution automation cabinet small volume, space availability ratio is high, and each functional module is flexibly connected, and is easy to
Change, it is relatively independent between its functional module to be independent of each other, when realizing component failure by improved structure, power-off time it is short or
Only transient-power failure just can realize that faulty equipment is changed to change unit module, ensure the continuity of power supply, do not influence it especially
His functional module and ensure its power supply continuity, that is, improve the reliability continuously powered.
For achieving the above object, the technical solution adopted by the present invention is as follows：
Power distribution automation cabinet, including cabinet and multiple drawer type cabinets, cabinet are flexibly connected with drawer type cabinet, and drawer type cabinet
In cabinet, power distribution automation cabinet is provided with multiple functional modules, and each functional module is in power distribution automation cabinet with drawer type
It is assembled to form drawer unit module；In addition, it is preferably plug-in electrical connection between cabinet and drawer type cabinet, now when functional module is sent out
During raw failure, it can be taken off corresponding drawer type cabinet and be replaced, it is simple and convenient.
Preferably, exemplified by the application of power distribution automation cabinet out of doors switching station, outdoor switching station includes ring main unit group, matched somebody with somebody
Electric automation cabinet and housing, ring main unit group are arranged in housing with power distribution automation cabinet, and power distribution automation cabinet is in ring main unit group
Homonymy.
It is highly preferred that ring main unit group includes PT power cabinets, inlet wire ring main unit and outlet ring main unit, PT power cabinets and each
Ring main unit is respectively a looped network cabinet loop, and the power management module in PT power cabinets is arranged in power distribution automation cabinet, and it provides electricity
Pond charge power supply or inlet-outlet line motor drive mechanism operation power.
Preferably, corresponding drawer unit module includes each function element needed for the corresponding function module, each Functional Unit
Part is uniformly arranged in drawer type cabinet, and whole drawer unit module is as standard component.
In order to further reduce equipment volume, it is preferable that power distribution automation cabinet includes the first power distribution automation cabinet and second
Power distribution automation cabinet, the first power distribution automation cabinet and the second power distribution automation cabinet are divided into the homonymy of ring main unit；First distribution is certainly
Dynamicization cabinet and the second power distribution automation cabinet are set into front and rear cabinet, the cabinet of the first power distribution automation cabinet and the second power distribution automation cabinet
It is relatively independent between body, formed using connecting method or one-shot forming mode；To realize the space more preferably reasonably utilized in equipment,
The height of the switching station is saved floor occupying area and reduced, distinguishes primary equipment and secondary device in outdoor switching station, while just
In operation and management.
It is highly preferred that the first power distribution automation cabinet and the second power distribution automation cabinet of power distribution automation cabinet can be respectively from distribution
Electrical connection and its corresponding function are realized in the side and/or anterior insert for automating the cabinet of cabinet in cabinet.
It is highly preferred that the first power distribution automation cabinet includes the first binding post drawer unit module and several single loop controls
System protection drawer unit module, unity loop control protection drawer unit module is provided with secondary component, by outdoor switching station
Primary equipment and secondary device separation, it is easy to operation with managing.
Further, the quantity of unity loop control protection drawer unit module is consistent with the quantity of looped network cabinet loop or unit.
As a kind of preferred embodiment, the first power distribution automation cabinet is provided with 7 unity loop controls and protects drawer unit mould
Block；Respectively PT cabinets control protection drawer unit module, the first incoming line cabinet control protection drawer unit module, the second incoming line cabinet control
System protection drawer unit module, the first outgoing line cabinet control protection drawer unit module, the second outgoing line cabinet control protection drawer unit
Module, the 3rd outgoing line cabinet control protection drawer unit module and the 4th outgoing line cabinet control protection drawer unit module, 7 single loops
Control protection drawer unit module puts in order and looped network cabinet loop sequence consensus.
Further, unity loop control protection drawer unit module is respectively equipped with secondary component, and it includes but is not limited to meter
And control element, protection device (indicating fault) installation, indicator lamp, shift knob, lock and handle.
Further, the side of unity loop control protection drawer unit module is provided with least one secondary inserting piece, secondary inserting piece
The plug-in unit of one end and the form fit of cabinet electrically connect into plug-in activity, the other end of secondary inserting piece connect the first distribution oneself
The first binding post drawer unit module in dynamicization cabinet.
Further, the quantity of above-mentioned secondary inserting piece is set on demand, not absolute；Multiple secondary inserting pieces are preferably in a row to arrange
Row.
Further, the first binding post drawer unit module is adopted with the second power distribution automation cabinet or with the connection of ring main unit side
With terminal block and/or aviation plug.
It is highly preferred that the second power distribution automation cabinet includes the second binding post drawer unit module, the DTU guarantors being linked in sequence
The comprehensive drawer unit module of shield, the comprehensive drawer unit module of ONU communications and power supply drawer unit module；Wherein：Second wiring
Terminal drawer unit module is electrically connected with the first power distribution automation cabinet respectively, to obtain the number of the first power distribution automation cabinet
According to (and primary equipment service data)；The comprehensive drawer unit module of DTU protections is connected with the second binding post drawer unit module,
Carry out feeder automation and relay protection to the first power distribution automation cabinet；The comprehensive drawer unit module of ONU communications is protected with DTU
Comprehensive drawer unit module is connected, and gathered data is communicated with outside；Power supply drawer unit module is used to provide the second wiring
Terminal drawer unit module, the comprehensive drawer unit module of DTU protections, the comprehensive drawer unit module of ONU communications and all Quadratic Finite Elements
Power supply needed for part, the power supply drawer unit module can be to include the integration module of charging module and battery module.
Further, each drawer unit module in the second power distribution automation cabinet is provided with least one secondary inserting piece, secondary
Each function element in the connecting drawer unit module of plug-in unit one end, the other end connects the of the second power distribution automation cabinet in secondary inserting piece
Two binding post drawer unit modules.
Further, the second binding post drawer unit module is adopted with the first power distribution automation cabinet or with the connection of ring main unit side
With terminal block and/or aviation plug.
In addition, it is a further object of the present invention to provide a kind of power distribution automation cabinet, matching country can be realized to power equipment
Requirement especially in intelligent grid to power distribution automation and the connecting interface of ring main unit, make each function in power distribution automation cabinet
Modularization standardization and modularization, and in national grid standard update, without to outdoor switching station, especially power distribution automation cabinet
Carry out Overall Reconstruction, or rewiring, it is only necessary to the simple electric interfaces for replacing each secondary device in power distribution automation cabinet, can just accord with
New national grid standard is closed, improves the general rate and commutative rate of whole power distribution automation cabinet, shortens maintenance time, reduces and has a power failure
Area, improve power supply continuity.
In general " three is distant " refers to remote signalling, remote measurement, remote control, and country proposes must be according to adding " three is distant " system
Standard carrys out wiring, i.e., the technical requirements of each electric interfaces in secondary device meet national grid standard, specific as follows：
For application provided by the invention, each in the power distribution automation cabinet " three is distant " of switching station secondary sets table 1~13 out of doors
The definition and requirement of standby electric interfaces.
Table 1~6 uses terminal block connected mode for power distribution automation cabinet in application provided by the invention out of doors switching station
When " three is distant " each secondary device electric interfaces definition and wiring requirement.
Table 1
Table 2
Table 3
Table 4
Table 5
Table 6
Table 7~13 uses aviation plug connection side for power distribution automation cabinet in application provided by the invention out of doors switching station
" three is distant " each secondary device electric interfaces definition and wiring requirement during formula.
Table 7
Table 8
Table 9
Table 10
Table 11
Table 12
Table 13
Preferably, the electrical connector of each secondary device is according to setting shown in upper table, and related circuit connected mode is with electrically connecing
Mouth matching connection.
Preferably, outdoor switching station realizes monitoring and control function, the modular monitor terminal with modular monitor terminal
Monitoring information obtained by being monitored includes but is not limited to following one or its combination：Remote signalling amount information, distant metrical information,
Remote control amount information, remote regulating amount information and malfunction monitoring information.
Preferably, when including malfunction monitoring information in monitoring information, can be built-in with modular monitor terminal specially
Breakdown judge module, for judging that short circuit and/or earth fault, generation malfunction monitoring letter occur for outlet according to basis for estimation
Breath, and by the malfunction monitoring information reporting to control terminal.
It is a further object of the present invention to provide a kind of power distribution automation cabinet, outdoor opening and closing of the inventor to any of the above-described structure
In the opening structure of power distribution automation cabinet make improvement, make the installation of outdoor switching station simple, be accurately positioned maintenance position, contract
Short maintenance time, reduce power failure area, improve power supply continuity.
Preferably, the enabling direction of the first power distribution automation cabinet is identical with the enabling direction of the second power distribution automation cabinet or not
Together, the side wall in the first power distribution automation cabinet and the second power distribution automation cabinet is made to match face fitting, so as to further saving
Space rationally utilizes, meanwhile, difference is opened the door accurate when can be easy to detection.
It is highly preferred that the ring main unit of the first power distribution automation cabinet and housing sets an enabling, the second power distribution automation cabinet altogether
Enabling and opposite side is set to open the door in the side of housing.
As another preferred embodiment, housing can open up multiple doors respectively, to distinguish multiple functional areas, housing difference
The second power distribution automation cabinet door, the first power distribution automation cabinet door, ring main unit group cabinet door, ring main unit group cable connecting area cabinet door are opened up, with
Convenient maintenance.
To ensure that power distribution automation cabinet has an excellent working environment, it is a further object of the present invention to provide a kind of distribution is automatic
Change cabinet, inventor makes improvement to the power distribution automation cabinet of the outdoor switching station of any of the above-described structure, makes whole power distribution automation
Cabinet working environment is excellent, extends the service life of power distribution automation cabinet.
Preferably, a set of temperature control device, a heater and a heat abstractor are provided with power distribution automation cabinet, be easy to
Electric automation cabinet high temperature controls with low temperature, and convenient protected in hot area and cold district to component controls, and ensures distribution
Automate the excellent working environment of cabinet.As a kind of preferred embodiment, heater is heater, and heat abstractor is blower fan.
It is a further object of the present invention to provide the application of power distribution automation cabinet, structure of the power distribution automation cabinet to ring main unit group
And no requirement (NR), it can be supported the use with existing ring main unit group, and ring main unit group can provide for prior art or what market was sold appoints
Meaning is a kind of.
Preferably, power distribution automation cabinet is placed in by the ring main unit group in outdoor switching station, or is placed in outside outdoor switching station, tool
Body position should be depending on surrounding environment.
Preferably, power distribution automation cabinet can be placed in by the ring main unit group in power distribution room.
Compared with prior art, the present invention has the advantage that：
1st, make the primary equipment and the obvious subregion of secondary device in outdoor switching station, and improve its space availability ratio, be easy to
Safety operation and management；In addition, secondary device by primary equipment and secondary device separation and is concentrated placement by the outdoor switching station,
Its use environment of centralized Control can be easy to, it is improved and repair overhaul efficiency, so as to extend the service life of secondary device；
When the 2nd, realizing component failure by improved structure, power-off time is short or only transient-power failure is to change unit module just
It can realize that faulty equipment is changed, ensure the continuity of power supply, especially not influence other functional modules and ensure that its power supply is continuous
Property, that is, improve the reliability continuously powered；
3rd, the power distribution automation cabinet is using standardization and modular function device, by the element of some nonstandardized techniques, dress
Standardizing with modularized equipment, when equipment needs batch production, standardization and modular design can improve equipment
Versatility and commutative rate；
4th, the electric interfaces of each drawer unit define and wiring requirement comes wiring, applicability according to national grid standard
By force；National grid standard can be realized into state's household electrical appliances easily by drawer type functional unit provided by the invention as standard component
Network mark is accurate, the power distribution automation cabinet in the present invention especially with the terminal block in national grid standard and aviation plug given application
Drawer type functional unit binding post on, to improve the applicability of ring main unit；
5th, power distribution automation module can realize concentrated protection and be easy to protect the machine of use environment in the power distribution automation cabinet
System, realize that anti-tampering, high temperature and low temperature control, blower fan and heater are set up, conveniently in hot area and cold district to first device
Part controls.
To sum up state, power distribution automation cabinet provided by the invention, can significantly solve outdoor switching station of the prior art and exist
Safety issue, while the power supply continuity of outdoor switching station can be improved, can be by outdoor switching station, especially power distribution automation
Cabinet produces as standard product, can also be produced each functional module equipment in the power distribution automation cabinet as standard product
Design, the more conducively development and management of the intelligent grid in China, therefore application prospect is very wide.
Brief description of the drawings
Fig. 1 is the front view of outdoor switching station of the prior art；
Fig. 2 is the side view of outdoor switching station of the prior art；
Fig. 3 is a kind of front view of preferably embodiment of outdoor switching station；
Fig. 4 is a kind of top view of preferably embodiment of outdoor switching station；
Fig. 5 is the top view of the another kind preferably embodiment of outdoor switching station；
Fig. 6 is the front view using the first power distribution automation cabinet in switching station out of doors；
Fig. 7 is using the front view in the second power distribution automation cabinet in switching station out of doors；
Fig. 8 is the side view using the power distribution automation cabinet in switching station out of doors；
Fig. 9 is the installation diagram using a kind of preferably embodiment of the power distribution automation cabinet in switching station out of doors；
Figure 10 is the partial enlarged drawing (A-A) using the power distribution automation cabinet in switching station out of doors；
Figure 11 is the partial enlarged drawing (A '-A ') using the power distribution automation cabinet in switching station out of doors；
Figure 12 is the partial enlarged drawing (B-B) using the power distribution automation cabinet in switching station out of doors；
Figure 13 is the partial enlarged drawing (C-C) using the power distribution automation cabinet in switching station out of doors；
Figure 14 is the partial enlarged drawing (D-D) using the power distribution automation cabinet in switching station out of doors；
Figure 15 is the partial enlarged drawing (E-E) using the power distribution automation cabinet in switching station out of doors；
Figure 16 is remote signalling amount signal system wiring diagram in outdoor switching station；
Figure 17 is remote measurement amount signal system wiring diagram in outdoor switching station；
Figure 18 is remote control amount signal system wiring diagram in outdoor switching station；
Figure 19 is " three is distant " system wiring figure in outdoor switching station.
Embodiment
Exemplified by the application of power distribution automation cabinet out of doors switching station, in conjunction with the embodiments and accompanying drawing is made further to the present invention
In detail, intactly illustrate.
Unspecified equipment or the model of component in following examples, it can use commercially available product of the prior art
Kind, it is only necessary to meet the function of power distribution automation cabinet provided by the invention, be not intended as the limitation Sexual behavior mode of the present invention.
Fig. 3 and Fig. 4 is the front view and top view of outdoor switching station, as shown in figure 3, the outdoor switching station is divided into two work(
Energy region, the ring main unit group 1 (i.e. primary equipment area or inlet-outlet line area A) formed is set up by several ring main units and one is matched somebody with somebody side by side
Electric automation cabinet 2 (i.e. secondary device area or control zone B) is placed in forming in a housing 3.
Wherein being electrically connected with several ring main units in ring main unit group 1 independently of power distribution automation cabinet 2, power distribution automation
Cabinet 2 is by the first power distribution automation cabinet (Microcomputer Protection and control section power distribution automation cabinet) 21 and the second power distribution automation cabinet (DTU
Terminal and communication power distribution automation cabinet) 22 compositions；Wherein：First power distribution automation cabinet 21 is used to protecting and controlling ring main unit group 1
In looped network cabinet loop, realize ring main unit point, closing operation and without the second power distribution automation cabinet 22 (no DTU terminals and
Communication etc. equipment or equipment fault failure) when to ring main unit carry out " alternative " monitoring and protecting control etc.；Second power distribution automation cabinet
22 carry out data acquisition and monitoring to each ring main unit by DTU terminals and communication module, and gathered data is carried out with outside
Communication.Circuit in first and second power distribution automation cabinet (21,22) can mutually should be slotting according to the connected mode connected between cabinet
Part is connected or disposably (circuit is welded or in process of production disposably made the connection of required circuit in the form of plug-in unit for shaping
And corresponding position is placed, plug-in unit connection can be completed when installing cabinet).To ensure that power distribution automation cabinet 2 has an excellent work
Make environment, inventor is provided with a set of temperature control device, a heater and a heat abstractor in power distribution automation cabinet 2, is easy to pair
The high temperature of power distribution automation cabinet 2 controls with low temperature, and convenient protected in hot area and cold district to component controls, and makes whole
Power distribution automation cabinet working environment is excellent, extends the service life of power distribution automation cabinet.As a kind of preferred embodiment, heating
Device is heater, and heat abstractor is blower fan.
Fig. 4 is the top view of outdoor switching station, as shown in figure 4, automatic as a kind of preferable embodiment, the first distribution
Change the homonymy that the power distribution automation cabinet 22 of cabinet 21 and second is divided into ring main unit group 1, set into front and rear cabinet, the first power distribution automation
It is relatively independent between the cabinet of the power distribution automation cabinet 22 of cabinet 21 and second, connecting method or one-shot forming mode can be used to be formed, with
The space more preferably reasonably utilized in equipment is realized, saves floor occupying area and reduce the height of the switching station.First distribution is automatic
Change enabling direction and the second power distribution automation cabinet 22 of cabinet 21 enabling direction can with identical, can also difference, concrete foundation the
Setting between one power distribution automation cabinet 21 and the second power distribution automation cabinet 22.As a kind of preferred scheme, the first distribution is automatic
It is different from the enabling direction of the second power distribution automation cabinet 22 to change the enabling direction of cabinet 21, as shown in figure 4, the first power distribution automation cabinet
21 set one to open the door 31 altogether with the ring main unit 1 of outdoor switching station's housing 3, and the second power distribution automation cabinet 22 is in the outdoor opening and closing
The side of institute's housing 3 set open the door 32 and opposite side open the door 32 ', in order to construct or attended operation maintenance etc.；Can so be made
Side wall in one power distribution automation cabinet 21 and the second power distribution automation cabinet 22 matches face fitting, so as to further saving space
Rationally utilize, in addition, accurate when different enablings can be easy to detect；Fig. 5 is another better embodiment of outdoor switching station
Top view, housing 3 can open up multiple doors respectively, distinguish multiple functional areas, be equally easily installed assembling and maintenance is convenient, such as scheme
Shown in 5：Housing 3 open up respectively the second power distribution automation cabinet door 33, the first power distribution automation cabinet door 34, ring main unit group cabinet door 35,
Ring main unit group cable connecting area cabinet door 36 and 36 '.Ring main unit is advantageous to safety management into and out of the separation of line area, particularly powered installation
And work progress, lock enter line side and avoid maloperation, it is ensured that the safety operation of cable connecting area.
In addition, as shown in Figure 4 and Figure 5, in X direction, ring main unit group 10 includes a PT power cabinets 11, inlet wire ring main unit
(AH01-02, two inlet wire ring main units) 12 and outlet ring main unit 13 (AH03-06, four outlet ring main units), PT power cabinets 11,
Each inlet wire ring main unit 12 and each outlet ring main unit 13 are respectively a looped network cabinet loop.PT power cabinets 11 can use prior art
In structure, such as by voltage transformer relay and battery section；But unlike the prior art, in the PT power cabinets
Power management module is arranged in the power distribution automation cabinet of the present invention, and it provides charge power supply of battery or inlet-outlet line motor drive mechanism behaviour
Make power supply.
It is noted that the maximum improvement of power distribution automation cabinet provided by the invention unlike the prior art,
In the pioneering electric connection mode for improving switching station of the prior art, especially each functional module of power distribution automation cabinet,
Each functional module of power distribution automation cabinet is changed to the flexible connection of drawer type, single drawer type cabinet and individual feature module knot
Drawer unit module is combined into, corresponding drawer unit module includes each function element needed for the corresponding function module, each function
Element is uniformly arranged in drawer type cabinet, and whole drawer unit module is as standard component.In addition also by power distribution automation cabinet
Primary equipment and secondary device separation, by each protection control unit module of the prior art for being used to protecting and controlling ring main unit
It is integrated into one as " the first power distribution automation cabinet " in the power distribution automation cabinet in the present invention, further by it from ring
The side of ring main unit is moved at the top of net cabinet and to piece together one with the second power distribution automation cabinet of the responsible function such as communicate multi-functional
Power distribution automation cabinet, not only more preferably reasonably make use of space in switching station, be also more convenient for operation and management.
Fig. 6 is the front view of the first power distribution automation cabinet.The first power distribution automation cabinet 21 is taken out including the first binding post
Drawer unit module 211 and several unity loop controls protection drawer unit module 212 (can be Microcomputer Protection or control module), its
The quantity of middle unity loop control protection drawer unit module 212 is consistent with the quantity of looped network cabinet loop or unit, unity loop control
Protection drawer unit module 212 put in order and it is not exclusive definitely, but determined according to looped network cabinet loop order, single loop control
System protection drawer unit module 212 puts in order and looped network cabinet loop sequence consensus.As shown in fig. 6,7 are shared in the present embodiment
Loop web cabinet loop, so 7 unity loop controls for being from top to bottom arranged in order connection are provided with the first power distribution automation cabinet 21
Protect drawer unit module 212；Respectively PT cabinets control protection drawer unit module 2127, the first incoming line cabinet control protection drawer
Unit module 2121, the second incoming line cabinet control protection drawer unit module 2122, the first outgoing line cabinet control protection drawer unit mould
Block 2123, the second outgoing line cabinet control protection drawer unit module 2124, the 3rd outgoing line cabinet control protection drawer unit module 2125
Control the arrangement of 2126,7 unity loop control protection drawer unit modules 212 of protection drawer unit module suitable with the 4th outgoing line cabinet
Sequence and the looped network cabinet loop sequence consensus in ring main unit group 1.
Fig. 7 is the front view of the second power distribution automation cabinet, as shown in Figure 7：The second power distribution automation cabinet 22 includes order
Second binding post drawer unit module 221 of connection, the comprehensive drawer unit module 222 of DTU protections, the comprehensive drawer of ONU communications
Unit module 223 and power supply drawer unit module 224；Wherein：Second binding post drawer unit module 221, respectively with
One power distribution automation cabinet 21 is electrically connected, with obtain the first power distribution automation cabinet 21 data (and primary equipment operation number
According to)；The comprehensive drawer unit module 222 of DTU protections is connected with the second binding post drawer unit module 221, to the first distribution certainly
The carry out feeder automation and relay protection of dynamicization cabinet 21；ONU communicates the comprehensive drawer unit mould of integration module 223 and DTU protections
Block 222 is connected, and gathered data is communicated with outside；Power supply drawer unit module 224 is used to provide the second binding post drawer
Unit module 221, the comprehensive drawer unit module 222 of DTU protections, the comprehensive drawer unit module 223 of ONU communications and all Quadratic Finite Elements
Power supply needed for part, the power supply drawer unit module 224 can be to include the integration module of charging module and battery module (in figure not
Display).
Fig. 8 be power distribution automation cabinet 2 drawer-type structure it is a kind of preferably embodiment assembling side elevation, such as Fig. 8
Shown, the power distribution automation cabinet 2 can coordinate corresponding drawer type cabinet 24 to form drawer unit to realize single work(by cabinet 23
The improvement of energy module extraction structure, and the mode of the electrical connection of cabinet 23 and drawer type cabinet 24 can use plug-in to electrically connect.
Fig. 9 is the further assembling plan view of the drawer-type structure of the power distribution automation cabinet 2, as shown in figure 9, power distribution automation cabinet 2
First power distribution automation cabinet 21 and the second power distribution automation cabinet 22 can respectively from the side of the cabinet 23 of power distribution automation cabinet 2 and/
Or realize electrical connection and its corresponding function in anterior insertion cabinet 23.Figure 10 is in the first power distribution automation cabinet 21 single loop control
212 partial enlarged drawings (A-A) of system protection drawer unit module, as shown in Figure 10, unity loop control protection drawer unit mould
Block 212 is provided with secondary component, and secondary component is respectively meter and control element 21201, protection device (indicating fault) installation
21202nd, indicator lamp, shift knob 21203, lock 21204 and handle 21205.
Figure 11 is the partial enlarged drawing of drawer type cabinet 24 (A '-A ') in power distribution automation cabinet 2, in power distribution automation cabinet 2
Each functional module can be integral by drawer type cabinet 24, and the production process of the power distribution automation cabinet 2 can be according to the outdoor opening and closing
In functional requirement by each functional module be arranged on corresponding drawer type cabinet 24 be made as unity loop control protect drawer list
Element module 212 or the comprehensive drawer unit module 222 of DTU protections etc..Figure 12 is the single loop control in the first power distribution automation cabinet 21
The close-up top view (B-B) of system protection drawer unit module 212, as shown in figure 12, each unity loop control protection are taken out
The side of drawer unit module 212 is provided with least one secondary inserting piece 21206, and one end of secondary inserting piece 21206 can be with cabinet 23
The plug-in unit of form fit electrically connects into plug-in activity, the other end of secondary inserting piece 21206 and the first power distribution automation cabinet 21
First binding post drawer unit module 211 connects.It is noted that the other end of secondary inserting piece 21206 and the first wiring
The connected mode of terminal drawer unit module 211 can be that terminal block and/or aviation plug (herein can be according to manufacturer or uses
When be adjusted flexibly, select above-mentioned connected mode to produce substantial differences).In addition, the unity loop control protects drawer list
Other secondary function elements of element module 212 can protect the locus of drawer unit module 212 rationally to divide according to the single loop
Cloth, specific depending on the required secondary function element loaded, those skilled in the art can be in the main inventive mesh with reference to the present invention
Under be adjusted locus to realize reasonable distribution, the Space structural adjustment in the module is not as other new technologies occur
Effect, it is only for the improvement saved space and carried out will be regarded as obtaining from the teaching that the present invention obtains, still the present invention's
In protection domain.Figure 13 is the close-up top view (C-C) of each drawer unit module in the second power distribution automation cabinet 22, such as
Shown in Figure 13, the functional module is so that DTU protects comprehensive drawer unit module 222 as an example, the comprehensive drawer unit module of DTU protections
222 side is provided with least one secondary inserting piece 2221, each Functional Unit in one end connecting drawer unit module of secondary inserting piece 2221
Part, the other end connects the second binding post drawer unit module 221 of the second power distribution automation cabinet 22 in secondary inserting piece 2221.Value
Obtain one to be mentioned that, the connected mode of the other end of secondary inserting piece 2221 and the second binding post drawer unit module 221 can be end
Son row and/or aviation plug.Figure 13 is the multipair partial enlarged drawing of secondary inserting piece 2221 (D-D), and Figure 14 is a pair of secondary inserting piece offices
Portion's enlarged drawing (E-E)；As shown in Figs. 13 and 14, secondary inserting piece (2221, the 21206) form fit, it is stable when being connected with realizing,
Simplicity during dismounting, the shape of the secondary inserting piece (21206,2221) can use a variety of plug-in electrical connections of the prior art
Plug-in unit, it will not be described here.
When including malfunction monitoring information in monitoring information, special failure can be built-in with modular monitor terminal
Judge module, for judging that short circuit and/or earth fault occur for outlet according to basis for estimation, malfunction monitoring information is generated, and will
The malfunction monitoring information reporting is to control terminal.
It is worth noting that, the first binding post drawer unit module 211 and the second power distribution automation cabinet 22 or and looped network
The connected mode of cabinet side connection, the second binding post drawer unit module 221 and the first power distribution automation cabinet 21 or and ring main unit
The mode of side connection, is suitable for terminal block and/or aviation plug any one connected mode.To realize that distribution is certainly in switching station
The technical requirements of each secondary device of dynamicization cabinet meet national grid standard, i.e., 1) gather alternating voltage, electric current, wherein requiring to adopt
Collection is no less than 4 voltages (control source nominal value 100V/220,50Hz)；It is required that collection is no less than 12 magnitude of current (electric currents
Input nominal value 5V/1A)；0.5 grade of voltage sample precision；Active and reactive 1.0 grades of sampling precision；It is each in nominal input value
The power consumption in loop should be less than 0.5VA；(electric current input is nominal for the 2000% of short-term excessive AC input current application nominal value
Value 5V/1A), the duration is less than 1 second, and distribution terminal should be working properly；2) collection is no less than 2 DC quantities；3) collection is many
In 20 remote signalling amounts, remote signalling resolution ratio is not more than 5 milliseconds, and remote signalling power supply voltage is not less than 24V；4) safeguard procedures are taken, are filtered
Remote signalling by mistake；5) realize no less than 4 way switch point, shutting-brake control, possess software and hardware faulty action preventing measure, ensure control operation can
By property；6) should possess no less than 4 serial ports and 2 ethernet interfaces；7) complete machine normal operation work(is not more than 20VA, leads to
Letter power supply, the normal operation power consumption of operation power no-load running time are preferably not more than 25VA；8) the every 24 hours errors of punctual precision
It should be not more than 2 seconds.
Table 1~13 is the electric of each secondary device of power distribution automation cabinet in outdoor switching station's " three is distant " provided by the invention
The definition and requirement of interface.
Table 1~6 is " three when power distribution automation cabinet uses terminal block connected mode in outdoor switching station provided by the invention
It is distant " definition of each secondary device electric interfaces and wiring requirement.
Table 1
Table 2
Table 3
Table 4
Table 5
Table 6
When table 7~13 is that power distribution automation cabinet uses aviation plug connected mode in outdoor switching station provided by the invention
" three is distant " each secondary device electric interfaces definition and wiring requirement.
Table 7
Table 8
Table 9
Table 10
Table 11
Table 12
Table 13
It is pointed out that under the premise of the structure for meeting power distribution automation cabinet of the present invention is improved, in outdoor switching station
Wiring or circuit diagram can use universal means of the prior art, and whether non-invention can realize the crucial institute of its function
；Figure 16-19 be power distribution automation cabinet provided by the invention when switching station realizes " three is distant " out of doors a kind of optional wiring show
It is intended to, the monitoring information obtained by modular monitor terminal is monitored includes but is not limited to following one or its combination：It is distant
Traffic information, distant metrical information, remote control amount information, remote regulating amount information and malfunction monitoring information.Remote signalling amount information is primarily referred to as far
Journey test switch current state needed for information, such as ring main unit status signal, switch switching signal, switch sub-gate signal, every
Leave and close switching signal, disconnecting switch sub-gate signal, earthing switching signal, the non-energy storage signal of switch, switch energy storage signal
A distant place/with regard to earth signal, protection signal, pressure abnormity signal, hand/electromotive signal, cable vault's door signal, node temperature shape
The information such as state, Figure 16 are remote signalling amount signal system wiring diagram in outdoor switching station.Distant metrical information is primarily referred to as long-haul telemetry line
Individual event voltage, operating voltage, survey zero current (I on roada、Ic), survey zero current I0, protective current (Ia、Ic) etc. value, Tu17Wei
Remote measurement amount signal system wiring diagram in outdoor switching station.Remote control amount information is primarily referred to as remotely controlling some long-range equipment
System, as switch on/off electric operation power, a switch distant place " combined floodgate " control, a switch distant place " separating brake " control, heating starting, fan open
Dynamic, alarm condition involution and communication involution etc., Figure 18 are remote control amount signal system wiring diagram in outdoor switching station.In general
" three is distant " refers to remote signalling, remote measurement, remote control, and Figure 19 is " three is distant " system wiring figure in outdoor switching station.Remote regulating amount information is mainly
Refer to the information needed for long-range equipment progress remote debugging.Malfunction monitoring information mainly includes the letter that short trouble occurs for outlet
Information of breath and/or earth fault etc..
For the ease of clearly describing the technical scheme of the embodiment of the present invention, in an embodiment of the present invention, employ " the
One ", the printed words such as " second " make a distinction to function and the essentially identical identical entry of effect or similar item, and those skilled in the art can
To understand that the printed words such as " first ", " second " are not defined to quantity and execution order.
The better embodiment of the above-mentioned simply present invention, not does any formal limitation to the present invention.Although this hair
It is bright disclosed above with preferred embodiment, but it is not intended to limit the present invention.Any those skilled in the art, not
In the case of departing from technical solution of the present invention scope, the technology contents that may be by above-mentioned explanation are done to technical solution of the present invention
Go out many possible changes and modifications, or be revised as the equivalent embodiment of equivalent variations.Therefore, it is every without departing from the technology of the present invention
The content of scheme, according to the technology of the present invention essence to any simple modifications, equivalents, and modifications made for any of the above embodiments,
It should fall in the range of technical solution of the present invention protection.
Claims (10)
1. power distribution automation cabinet, it is characterised in that：Power distribution automation cabinet includes cabinet and multiple drawer type cabinets, cabinet and drawer type
Cabinet is flexibly connected, and drawer type cabinet is located in cabinet, and power distribution automation cabinet is provided with multiple functional modules, each functional module with
Drawer unit module is assembled to form with drawer type in electric automation cabinet.
2. power distribution automation cabinet according to claim 1, it is characterised in that：It is electrically connected between cabinet and drawer type cabinet for plug-in
Connect.
3. power distribution automation cabinet according to claim 1, it is characterised in that：Corresponding drawer unit module includes corresponding work(
Each function element needed for energy module, each function element are uniformly arranged in drawer type cabinet.
4. power distribution automation cabinet according to claim 1, it is characterised in that：It is automatic that power distribution automation cabinet includes the first distribution
Change cabinet and the second power distribution automation cabinet, the first power distribution automation cabinet and the second power distribution automation cabinet are divided into the ring of outdoor switching station
Net cabinet homonymy.
5. power distribution automation cabinet according to claim 4, it is characterised in that：First power distribution automation of power distribution automation cabinet
Cabinet and the second power distribution automation cabinet can be respectively from the sides of the cabinet of power distribution automation cabinet and/or anterior insertion cabinet.
6. power distribution automation cabinet according to claim 4, it is characterised in that：First power distribution automation cabinet and the second distribution are certainly
Dynamicization cabinet is set into front and rear cabinet.
7. power distribution automation cabinet according to claim 6, it is characterised in that：First power distribution automation cabinet and the second distribution are certainly
It is relatively independent between the cabinet of dynamicization cabinet, formed using connecting method or one-shot forming mode.
8. power distribution automation cabinet according to claim 4, it is characterised in that：First power distribution automation cabinet includes the first wiring
Terminal drawer unit module and several unity loop controls protection drawer unit module, unity loop control protection drawer unit module
It is provided with secondary component.
9. power distribution automation cabinet according to claim 8, it is characterised in that：Unity loop control protection drawer unit module
Quantity is consistent with the quantity of looped network cabinet loop or unit.
10. according to the application of any described power distribution automation cabinet of claim 1~9, it is characterised in that：Power distribution automation cabinet with
Existing ring main unit group supports the use, ring main unit group provided for prior art or market sell any one.
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| CN201711245993.9A CN107769055A (en) | 2014-05-25 | 2014-05-25 | Power distribution automation cabinet and its application |
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| CN201410221763.9A CN105098643B (en) | 2014-05-25 | 2014-05-25 | Power distribution automation cabinet and its application |
| CN201711245993.9A CN107769055A (en) | 2014-05-25 | 2014-05-25 | Power distribution automation cabinet and its application |
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| CN105514840B (en) * | 2016-01-11 | 2017-03-22 | 国网山东省电力公司栖霞市供电公司 | Multifunctional high-voltage switch cabinet |
| AU2017419266B2 (en) | 2017-06-22 | 2021-04-01 | Beijing Didi Infinity Technology And Development Co., Ltd. | Methods and systems for estimating time of arrival |
| CN108153996B (en) * | 2018-01-23 | 2021-03-26 | 中国电建集团河北省电力勘测设计研究院有限公司 | Method for realizing electric wiring group cabinet by COMOS platform |
| CN108429179A (en) * | 2018-05-11 | 2018-08-21 | 马鞍山钢铁股份有限公司 | A kind of high-pressure system relay protection pedestal and the method for building protective relaying device |
| CN110189565A (en) * | 2019-04-09 | 2019-08-30 | 国网浙江省电力有限公司培训中心 | Distribution automation station institute equipment troubleshooting training simulation cabinet and analogue system |
| CN110299041B (en) * | 2019-05-29 | 2020-08-14 | 国家电网有限公司技术学院分公司 | Intelligent power distribution terminal and communication operation and maintenance integrated training system and method |
| CN116317096B (en) * | 2022-09-07 | 2023-09-15 | 安徽德诺科技股份公司 | Drawer type sampling control cabinet system based on artificial intelligence |
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| CN103579946A (en) * | 2012-07-31 | 2014-02-12 | 广东米勒电气有限公司 | Automatic-network-distribution integrated ring main unit |
| CN203026836U (en) * | 2012-12-31 | 2013-06-26 | 上海电院电气设备有限公司 | Draw-out low-voltage apparatus control cabinet |
| CN203228694U (en) * | 2013-03-26 | 2013-10-09 | 熊飞轮 | Movable 10kV van type switch station |
| CN103715616B (en) * | 2014-01-03 | 2017-06-20 | 北京合锐赛尔电力科技股份有限公司 | A kind of ring main unit |
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Application publication date: 20180306 |