CN108598922A - Segmented threephase load phasing switch cabinet - Google Patents
Segmented threephase load phasing switch cabinet Download PDFInfo
- Publication number
- CN108598922A CN108598922A CN201810716603.XA CN201810716603A CN108598922A CN 108598922 A CN108598922 A CN 108598922A CN 201810716603 A CN201810716603 A CN 201810716603A CN 108598922 A CN108598922 A CN 108598922A
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- Prior art keywords
- busbar
- cabinet
- phase
- phases
- segmented
- Prior art date
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- 238000002955 isolation Methods 0.000 claims abstract description 27
- 238000009826 distribution Methods 0.000 claims abstract description 12
- 230000000694 effects Effects 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000080 chela (arthropods) Anatomy 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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
- 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
-
- 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
- H02B1/18—Disposition or arrangement of fuses
-
- 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
- H02B1/20—Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards
-
- 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
- H02B1/306—Accessories, e.g. windows
-
- 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
- H02B1/32—Mounting of devices therein
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Patch Boards (AREA)
Abstract
The invention discloses a kind of segmented threephase load phasing switch cabinet, including cabinet and the three-phase isolation switch, the first busbar, the second busbar and the third busbar that are arranged in the cabinet；First busbar, second busbar, the third busbar go out connector with the A phases of the three-phase isolation switch respectively, B phases go out connector, C phases go out connector and connect one to one；First busbar, second busbar, the spaced distribution of third busbar, power switch is respectively connected between first busbar and second busbar and between second busbar and the third busbar.The break-make that the present invention passes through two power switches, load can be divided into one group or three groups or small one and large one two groups, and pass through tri- phase control of A, B, C of three-phase isolation switch, realize a phase or two-phase or three phase mains power supply, it can also be supported on the distribution in three-phase by three busbar flexible modulations, the effects that achieving the purpose that fine-tune, facilitate operation management.
Description
Technical field
The present invention relates to field of electrical equipment, relate in particular to a kind of segmented threephase load phasing switch cabinet.
Background technology
Due to the area differentiation of distribution automation development level, many low-voltage platform area three-phase imbalances, which are administered, still uses pincer
The solution of ammeter in-site measurement three-phase current, power failure phase modulation, transfer load；This mode needs staff to climb up to match
Become the work of rack low-pressure side, operation difficulty is big, and regulating cycle is long, and unnecessary power failure can be caused to user, and after adjustment
Holding time for three-phrase burden balance degree is not grown, it would be highly desirable to be improved.
Three-phase load automatic adjustment technology increasingly develops in recent years, and there are three types of current main typical case patterns, that is, changes
Phase switching mode self-checking device, capacitive self-checking device and power electronics type self-checking device, it is capacitive automatic
Regulating device and power electronics type self-checking device can only adjust transformer outlet side balancing the load, can not be fundamentally
Solution must not fundamentally solve the problems, such as actual load equilibrium assignment, and traditional phase-change switch type self-checking device, build at
This is higher, and general using " point contact type " phasing switch, and there are division risks not in place, and there is an urgent need for improved.
Invention content
Technical problem to be solved by the invention is to provide one kind capable of realizing a phase or two-phase or three phase mains power supply, and
Can flexible modulation be supported on the segmented threephase load phasing switch cabinet of the distribution in three-phase.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme that：Segmented threephase load phasing switch cabinet,
Including cabinet and the three-phase isolation switch being arranged in the cabinet, the first busbar, the second busbar and third busbar；
First busbar, second busbar, the third busbar go out to connect with the A phases of the three-phase isolation switch respectively
Head, B phases go out connector, C phases go out connector and connect one to one；
First busbar, second busbar, the spaced distribution of third busbar, first busbar and described
It is respectively connected with power switch between second busbar and between second busbar and the third busbar.
Further, the three-phase isolation switch switchs for three-phase air-isolation.
Further, the power switch is disconnecting link.
Further, it is additionally provided with breaker in the cabinet, the A phases of the three-phase isolation switch are into connector, B phases into connecing
Head, C phases are connect with the leading-out terminal of the breaker respectively into connector.
Further, the coil of three spaced distributions, the A phases of the three-phase isolation switch are additionally provided in the cabinet
It corresponds into connector and is connect respectively with the breaker by three busbares into connector, C phases into connector, B phases, three mothers
Line is corresponded respectively across three coils.
Further, it is additionally provided with fuse in the cabinet.
Further, it is additionally provided with remote manipulator in the cabinet.
Further, the cabinet outer surface is equipped with PD intelligently aobvious number tables.
Further, the cabinet outer surface is set there are three being respectively used to show the three-phase division of the three-phase isolation switch
The indicator light of lock state.
Further, the cabinet is furnished with cabinet door.
Beneficial effects of the present invention are embodied in：
Load can be divided into one group or three groups or small one and large one two groups by the present invention by the break-make of two power switches,
And by tri- phase control of A, B, C of three-phase isolation switch, realize a phase or two-phase or three phase mains power supply, and select a phase or
It when two-phase is powered, can also arbitrarily be selected in A, B, C three-phase, the effect that commutation is adjusted be realized, when residential electricity consumption has a phase
When traffic overload, two-phase or three-phase load are switched to, it is made not overload, once Primary regulation is unsuccessful, can also passed through
The distribution (each busbar can be accessed the user of certain load by different proportion) that three busbar flexible modulations are supported in three-phase, reaches
Finer three-phase load distribution, can not only obtain more ideal threephase load regulating effect, and greatly reduce
The construction cost of the device has higher application value.
Description of the drawings
Fig. 1 is the external structure schematic diagram of one embodiment of the invention.
Fig. 2 is the internal structure schematic diagram of one embodiment of the invention.
In attached drawing the label of each component be：1 cabinet, 2 three-phase isolation switch, 3 first busbars, 4 second busbars, 5 thirds are female
Row, 6 power switches, 7 coils, 8 breakers, 9 fuses, 10 remote manipulators, 11PD are intelligently aobvious to count table, 12 indicator lights, 13 cabinets
Door, 14 door switch.
Specific implementation mode
It is next below with reference to the accompanying drawings that the present invention will be described in detail.It should be noted that in the absence of conflict, in the application
Embodiment and embodiment in feature can be combined with each other.
Referring to Fig. 1 and Fig. 2.
Segmented threephase load phasing switch cabinet of the present invention, including cabinet 1 and what is be arranged in the cabinet 1 three be separated by
Leave pass 2, the first busbar 3, the second busbar 4 and third busbar 5；
First busbar 3, second busbar 4, the third busbar 5 respectively with the A phases of the three-phase isolation switch 2
Go out connector, B phases go out connector, C phases go out connector and connect one to one；
First busbar 3, second busbar 4,5 spaced distribution of the third busbar, 3 He of the first busbar
It is respectively connected with power switch 6 between second busbar 4 and between second busbar 4 and the third busbar 5.
In use, load can be as needed connected on each busbar.
It designs in this way, it can be by two power switches of open and close by three busbar flexible combinations, when two electric power
When switch is closed, the first busbar, the second busbar, third busbar connect into an entirety, form one group of load；When two electric power
When switch disconnects, the first busbar, the second busbar, third busbar are separate as a whole, form three groups of loads；When
It is disconnected one of in two power switches, when another closure, the first busbar and the second busbar or the second busbar and third
Busbar connects into an entirety, and remaining busbar is independent as a whole, forms small one and large one two groups of loads.
And the first busbar, the second busbar, third busbar can by three-phase isolation switch it is separate control with A,
B, the connection and disconnection of C three-phases.
The operation principle of the present invention is that：Under normal operating condition, two power switches are closed, and three busbars connect into one
A entirety, the load being connected on each busbar only integrally accesses the phase in A, B, C three-phase by three busbars, and (i.e. three-phase is kept apart
It closes and only has phase closure)；When needing to fine-tune, can be loaded by the break-make of two power switches of control
It reconfigures, will two-phase or three-phase in three-phase be assigned to by the load of a phase power supply power supply originally, then close three and be isolated
The two-phase in switch or three-phase, reach finer sharing of load.
In one embodiment, the three-phase isolation switch 2 switchs for three-phase air-isolation.Compared to other types, select empty
The advantages of gas formula is that air switch is in low tension loop, you can specified work electricity is reliably carried in stable working environment
Stream also can provide reliably protecting to circuit and load in failure environment, possess high breaking capacity, strong cut-off current characteristics are reliably gone out
Arc property.
In one embodiment, the power switch 6 is disconnecting link.Using disconnecting link, open and close is easy to operate, and controls
Reliably.
In one embodiment, it is additionally provided with breaker 8 in the cabinet 1, the A phases of the three-phase isolation switch 2 are into connector, B
Mutually it is connect respectively with the leading-out terminal of the breaker 8 into connector into connector, C phases.Breaker is located at enter line side, end of incoming cables and electricity
Source connect, in circuit act as connection, disjunction major loop.
In one embodiment, the coil 7 of three spaced distributions is additionally provided in the cabinet 1, the three-phase is kept apart
The A phases of pass 2 are corresponded into connector and are connect respectively with the breaker 8 by three busbares into connector, C phases into connector, B phases,
Three busbares are corresponded respectively across three coils 7.Here coil is also referred to as low-voltage current mutual inductor,
It is the electric current acquired in circuit that it, which is acted on, and by numeric feedback to digital display meter, the secondary connection end of low-voltage current mutual inductor passes through control
Circuit processed is connect with digital display meter.
In one embodiment, it is additionally provided with fuse 9 in the cabinet 1.Fuse is located in control loop, act as two
When secondary line outlet failure, fuse can fuse separation to protect electrical equipment.Fuse both sides respectively with major loop busbar and
Secondary terminals connect.
In one embodiment, 1 outer surface of the cabinet is equipped with PD intelligently aobvious number tables 11.Intelligently aobvious number table can be shown immediately PD
Electric current and the numerical informations such as voltage, so as to the working condition in artificial decision circuitry.PD intelligently aobvious number tables respectively with low tension
Current transformer is connected with secondary terminals.
In one embodiment, 1 outer surface of the cabinet is set there are three being respectively used to show the three of the three-phase isolation switch 2
The indicator light 12 of phase opening and closing state.Preferably, three indicator lights are followed successively by yellowish green red trichromatism.
In one embodiment, it is additionally provided with remote manipulator 10 in the cabinet 1.Remote manipulator is by controller and transmitter
Composition, emitted device provide signal, and the divide-shut brake of three-phase isolation switch is controlled by cabinet internal controller.In the prior art, it can control
The controller of the divide-shut brake of three-phase isolation switch processed has very much, and this will not be repeated here.
In one embodiment, the cabinet 1 is furnished with cabinet door 13.Convenient for opening and closing cabinet inner cavity.It can be set in cabinet door 13
Door switch 14 is set, cabinet door is convenient for.
Finally it should be noted that：The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in the present invention's
Within protection domain.
Claims (10)
1. segmented threephase load phasing switch cabinet, it is characterised in that：Including cabinet (1) and setting in the cabinet (1)
Three-phase isolation switch (2), the first busbar (3), the second busbar (4) and third busbar (5)；
First busbar (3), second busbar (4), the third busbar (5) respectively with the three-phase isolation switch (2)
A phases go out connector, B phases go out connector, C phases go out connector and connect one to one；
First busbar (3), second busbar (4), the third busbar (5) spaced distribution, first busbar
(3) it is respectively connected with electric power between second busbar (4) and between second busbar (4) and the third busbar (5)
It switchs (6).
2. segmented threephase load phasing switch cabinet as described in claim 1, it is characterised in that：The three-phase isolation switch
(2) it is that three-phase air-isolation switchs.
3. segmented threephase load phasing switch cabinet as claimed in claim 1 or 2, it is characterised in that：The power switch (6)
For disconnecting link.
4. segmented threephase load phasing switch cabinet as claimed in claim 1 or 2, it is characterised in that：In the cabinet (1) also
Equipped with breaker (8), the A phases of the three-phase isolation switch (2) are broken with described into connector, C phases into connector respectively into connector, B phases
The leading-out terminal of road device (8) connects.
5. segmented threephase load phasing switch cabinet as claimed in claim 4, it is characterised in that：It is also set in the cabinet (1)
There are three the coil (7) of spaced distribution, the A phases of the three-phase isolation switch (2) are into connector, B phases into connector, C phases into connecing
Head is corresponded and is connect respectively with the breaker (8) by three busbares, and three busbares are corresponded respectively across three
A coil (7).
6. segmented threephase load phasing switch cabinet as claimed in claim 1 or 2, it is characterised in that：In the cabinet (1) also
Equipped with fuse (9).
7. segmented threephase load phasing switch cabinet as claimed in claim 1 or 2, it is characterised in that：In the cabinet (1) also
Equipped with remote manipulator (10).
8. segmented threephase load phasing switch cabinet as claimed in claim 1 or 2, it is characterised in that：Cabinet (1) appearance
Face is equipped with PD intelligently aobvious number tables (11).
9. segmented threephase load phasing switch cabinet as claimed in claim 1 or 2, it is characterised in that：Cabinet (1) appearance
Face is respectively used to show the indicator light (12) of the three-phase opening and closing state of the three-phase isolation switch (2) there are three setting.
10. segmented threephase load phasing switch cabinet as claimed in claim 1 or 2, it is characterised in that：The cabinet (1) is matched
There is cabinet door (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810716603.XA CN108598922A (en) | 2018-07-03 | 2018-07-03 | Segmented threephase load phasing switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810716603.XA CN108598922A (en) | 2018-07-03 | 2018-07-03 | Segmented threephase load phasing switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108598922A true CN108598922A (en) | 2018-09-28 |
Family
ID=63635572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810716603.XA Pending CN108598922A (en) | 2018-07-03 | 2018-07-03 | Segmented threephase load phasing switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108598922A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109301718A (en) * | 2018-11-29 | 2019-02-01 | 国网安徽省电力有限公司滁州供电公司 | A kind of three-phase mechanical interlocking phase modulation electricity box |
| CN114374155A (en) * | 2021-12-21 | 2022-04-19 | 国网湖北省电力有限公司恩施供电公司 | Load switch commutation device and three-phase load unbalance automatic commutation leveling system thereof |
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| CN103337867A (en) * | 2013-06-28 | 2013-10-02 | 国家电网公司 | Low voltage load online phase modulation device and phase modulation method thereof |
| CN103400710A (en) * | 2013-08-22 | 2013-11-20 | 秦宇翔 | Balanced leveling method for three-phase loads of low-voltage power network and automatic load transferring switch |
| JP2015213381A (en) * | 2014-05-01 | 2015-11-26 | 三菱電機株式会社 | Three-phase switching device and three-phase switching system |
| CN107834371A (en) * | 2017-11-26 | 2018-03-23 | 安徽启源电力设备制造有限公司 | A kind of threephase load phasing switch case |
| CN207381986U (en) * | 2017-11-20 | 2018-05-18 | 国家电网公司 | A kind of distribution threephase load auto-manual phasing switch case |
| CN208299256U (en) * | 2018-07-03 | 2018-12-28 | 国网安徽省电力有限公司滁州供电公司 | Segmented threephase load phasing switch cabinet |
-
2018
- 2018-07-03 CN CN201810716603.XA patent/CN108598922A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103337867A (en) * | 2013-06-28 | 2013-10-02 | 国家电网公司 | Low voltage load online phase modulation device and phase modulation method thereof |
| CN103400710A (en) * | 2013-08-22 | 2013-11-20 | 秦宇翔 | Balanced leveling method for three-phase loads of low-voltage power network and automatic load transferring switch |
| JP2015213381A (en) * | 2014-05-01 | 2015-11-26 | 三菱電機株式会社 | Three-phase switching device and three-phase switching system |
| CN207381986U (en) * | 2017-11-20 | 2018-05-18 | 国家电网公司 | A kind of distribution threephase load auto-manual phasing switch case |
| CN107834371A (en) * | 2017-11-26 | 2018-03-23 | 安徽启源电力设备制造有限公司 | A kind of threephase load phasing switch case |
| CN208299256U (en) * | 2018-07-03 | 2018-12-28 | 国网安徽省电力有限公司滁州供电公司 | Segmented threephase load phasing switch cabinet |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109301718A (en) * | 2018-11-29 | 2019-02-01 | 国网安徽省电力有限公司滁州供电公司 | A kind of three-phase mechanical interlocking phase modulation electricity box |
| CN109301718B (en) * | 2018-11-29 | 2023-08-22 | 国网安徽省电力有限公司滁州供电公司 | Three-phase mechanical interlocking phase modulation meter box |
| CN114374155A (en) * | 2021-12-21 | 2022-04-19 | 国网湖北省电力有限公司恩施供电公司 | Load switch commutation device and three-phase load unbalance automatic commutation leveling system thereof |
| CN114374155B (en) * | 2021-12-21 | 2023-09-05 | 国网湖北省电力有限公司恩施供电公司 | Load switch commutation device and three-phase load unbalance automatic commutation leveling system thereof |
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