CN206584019U - A kind of double power supply automatic transfer switch hookup and a kind of electrical system - Google Patents
A kind of double power supply automatic transfer switch hookup and a kind of electrical system Download PDFInfo
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- CN206584019U CN206584019U CN201720339471.4U CN201720339471U CN206584019U CN 206584019 U CN206584019 U CN 206584019U CN 201720339471 U CN201720339471 U CN 201720339471U CN 206584019 U CN206584019 U CN 206584019U
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- Prior art keywords
- breaker
- power supply
- transfer switch
- automatic transfer
- supply automatic
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Abstract
The utility model discloses a kind of double power supply automatic transfer switch hookup, including core cell and by-pass unit, core cell includes：Double power supply automatic transfer switch, conventional electric power incoming line, stand-by power supply inlet wire and the output line for connecting load, by-pass unit include：Bypass breaker, the common test breaker being arranged on conventional electric power incoming line, the alternate tests breaker being arranged on stand-by power supply inlet wire and the cut-off breaker being arranged on output line, the end of incoming cables of bypass breaker is connected to the end of incoming cables of common test breaker, and the leading-out terminal of bypass breaker is connected to the leading-out terminal of cut-off breaker.This programme sets by-pass unit by the conventional electric energy transmission equipment side in double power supply automatic transfer switch, makes the switching tests of double power supply automatic transfer switch more flexible, improves overhaul efficiency.Include the electrical system of above-mentioned double power supply automatic transfer switch hookup the invention also discloses a kind of.
Description
Technical field
The utility model is related to electric control system technical field, more particularly to a kind of experiment of double power supply automatic transfer switch
Circuit and a kind of electrical system.
Background technology
In three-phase alternating current electric-controlled system, important electrical load, which is powered, uses redundant fashion, and often with dual power supply
Automatic change-over is sketched as executing agency and is：The system has two-way power input, conventional standby all the way all the way, and two-way
Power supply is derived from different supply networks, when conventional power supply catastrophic failure or power failure, by double power supply converting switch, automatically engages
On stand-by power supply, load is set to remain to normal operation.To ensure electrical system reliability of operation, periodically dual power supply should be turned automatically
Change switch and switch over experiment, because load shutdown will caused by damp production, yield reduce, and it is this influence extend with downtime
Direct proportionality, therefore experiment is switched over during being typically chosen system-down maintenance, it is time-bounded relatively strong, it is dumb；Meanwhile,
Because the importance of load, or the system supply electricity to other more important loads simultaneously, the long period is often also needed to after shutdown
Power failure preparation, takes longer, overhaul efficiency reduction.To improve overhaul efficiency and flexibility, a kind of solution route is to the greatest extent may be used
The time of preparation and experiment can be shortened, another solution route is that double power supply automatic transfer switch is stood alone as into unit mould
Block, quitting electric system routine tests, without influenceing load production and the normal operation of other processes, it can be seen that, second
Scheme is the simplest, effective.
Therefore, overhaul efficiency and the flexibility of switching tests how are improved, is that those skilled in the art need solution at present
Technical problem.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of overhaul efficiency for improving switching tests and flexibility
Double power supply automatic transfer switch hookup, another purpose of the present utility model is to provide a kind of electricity including the hookup
Gas system.
In order to achieve the above object, the utility model provides following technical scheme：
A kind of double power supply automatic transfer switch hookup, including core cell and by-pass unit, the core cell bag
Include：Double power supply automatic transfer switch, the conventional electric power incoming line, standby for what is be connected with stand-by power supply for being connected with conventional power supply
With electric power incoming line and for connecting the output line loaded, the by-pass unit includes：Common test breaker, alternate tests are broken
Road device, bypass breaker and cut-off breaker, the common test breaker is arranged on the conventional electric power incoming line, described
Alternate tests breaker is arranged on the stand-by power supply inlet wire, and the cut-off breaker is arranged on the output line, described
The end of incoming cables of bypass breaker is connected to the end of incoming cables of the common test breaker, the leading-out terminal connection of the bypass breaker
In the leading-out terminal of the cut-off breaker.
Preferably, in above-mentioned double power supply automatic transfer switch hookup, the common test breaker with it is described often
With being additionally provided with conventional lead-in circuit breaker on the conventional electric power incoming line between power supply, the alternate tests breaker with it is described
Standby lead-in circuit breaker is additionally provided with the stand-by power supply inlet wire between stand-by power supply.
Preferably, in above-mentioned double power supply automatic transfer switch hookup, the leading-out terminal of the cut-off breaker and institute
State and be additionally provided with output breaker on the output line between load.
In the double power supply automatic transfer switch hookup that the utility model is provided, when load is normally run, examination is commonly used
Test breaker, alternate tests breaker, double power supply automatic transfer switch often to be closed with side, cut-off breaker, bypass breaker
Disconnect.
When needing to switch over experiment to double power supply automatic transfer switch, according to following flow operations：First closure bypass
Breaker, then cut-off breaker is disconnected, now, core cell is exited from electrical system, and conventional power supply then passes through bypass
Breaker provides electric energy to load continuous, realizes the uninterrupted supply of electric energy.During experiment, common test breaker is operated and standby
With the disconnecting link of experiment breaker, disconnected by it, close two states to simulate incoming power dead electricity, the situation of power transmission, checked
Whether the automatic switching function of double power supply automatic transfer switch is intact, if it find that automatic switching function fails, on inspection, confirms
Double power supply automatic transfer switch damages or needed to repair, it is necessary to changes spare part, simultaneously switches off common test breaker and alternate tests
Breaker, insulating power supply, the fast changeable double power supply automatic transfer switch in the case where system does not have a power failure.
After the completion of experiment, first common test breaker and alternate tests breaker are closed at, then dual power supply is automatic
Change-over switch switches to conventional side, then, closure cut-off breaker, finally disconnect bypass breaker, make electrical system recover to
Original state.
Common test breaker and alternate tests breaker in this programme may act as isolation circuit breakers, not have a power failure in system
In the case of quick-replaceable core cell, safely, conveniently, efficiently；Bypass breaker plays a part of changing electric energy transmission path,
Can be by core cell quitting electric system, and provide electric energy for load continuous, it is ensured that the normal operation of load, cut-off breaker is prevented
Electric energy is reversely conveyed, and plays a part of protecting personal safety.It can be seen that, this programme passes through in the conventional of double power supply automatic transfer switch
Electric energy transmission equipment side sets by-pass unit, makes the switching tests of double power supply automatic transfer switch more flexible, without system-down, together
When, load production and the normal operation of other processes are not interfered with, overhaul efficiency is improved.
The utility model additionally provides a kind of electrical system, including conventional power supply and stand-by power supply and as described above pair
Power automatic transfer switch hookup.The derivation for the beneficial effect that the electrical system is produced turns automatically with above-mentioned dual power supply
The derivation for changing the beneficial effect that switch test circuit is brought is substantially similar, therefore repeats no more herein.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the double power supply automatic transfer switch hookup schematic diagram in the utility model specific embodiment.
In Fig. 1：
1- common tests breaker, 2- alternate tests breaker, 3- bypass breakers, 4- cut-offs breaker, 5- outputs are disconnected
Road device, 6- are often with lead-in circuit breaker, the standby lead-in circuit breakers of 7-, 8- loads, 9- controllers.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
Fig. 1 is refer to, Fig. 1 is the double power supply automatic transfer switch hookup signal in the utility model specific embodiment
Figure.
In a kind of specific embodiment scheme, the utility model provides a kind of double power supply automatic transfer switch and tests electricity
Road, the hookup includes core cell and by-pass unit, wherein, core cell includes：Double power supply automatic transfer switch, it is used for
The conventional electric power incoming line that is connected with conventional power supply Un, for the stand-by power supply inlet wire that is connected with stand-by power supply Ur and for connecting
The output line of load 8.Core cell also includes the control for being used to control double power supply automatic transfer switch to realize automatic switching function
Device 9, as shown in figure 1, the controller 9 is the controller used in existing double power supply automatic transfer switch, is repeated no more herein.It is other
Road unit is configured at conventional electric energy transmission equipment side, is made up of four breakers and electrical connecting wires, and four breakers are respectively：Conventional examination
Breaker 1, alternate tests breaker 2, bypass breaker 3 and cut-off breaker 4 are tested, common test breaker 1 is arranged at often
With on electric power incoming line, alternate tests breaker 2 is arranged on stand-by power supply inlet wire, and cut-off breaker 4 is arranged on output line, other
The end of incoming cables of circuit breaker 3 is connected to the end of incoming cables of common test breaker 1, and the leading-out terminal of bypass breaker 3 is connected to cut-off
The leading-out terminal of breaker 4.
Each breaker effect is as follows in by-pass unit.In switching tests, common test breaker 1 and alternate tests open circuit
Device 2 is disconnected by disconnecting link, simulation incoming power dead electricity, the situation of power transmission is closed, in addition, if finding core by switching tests
Elementary Function fails, i.e. double power supply automatic transfer switch disabler is, it is necessary to when changing spare part, common test breaker 1 and standby
Isolation circuit breakers, insulating power supply, the quick-replaceable core in the case where electrical system does not have a power failure can also be served as with experiment breaker 2
Unit, safely, conveniently, efficiently；Bypass breaker 3 plays a part of changing electric energy transmission path, core cell can be exited into electricity
Gas system, and be that load 8 persistently provides electric energy, it is ensured that the normal operation of load, cut-off breaker 4 prevents that electric energy from reversely conveying, and rises
To the effect of protection personal safety.
Preferably, in above-mentioned double power supply automatic transfer switch hookup, common test breaker 1 and conventional power supply Un
Between conventional electric power incoming line on be additionally provided with conventional lead-in circuit breaker 6, between alternate tests breaker 2 and stand-by power supply Ur
Standby lead-in circuit breaker 7 is additionally provided with stand-by power supply inlet wire, as shown in Figure 1.Lead-in circuit breaker 6 is commonly used by setting and standby
Lead-in circuit breaker 7 can improve the security of whole hookup and electrical system.
Preferably, in above-mentioned double power supply automatic transfer switch hookup, leading-out terminal and the load 8 of breaker 4 are ended
Between output line on be additionally provided with output breaker 5, as shown in figure 1, by set output breaker 5 can further improve
Whole electrical system and the security of load 8.
Switching tests maintenance process of the present utility model is discussed in detail with reference to Fig. 1.
Power supply Un is conventional power supply, and power supply Ur is stand-by power supply, and Qn is that double power supply automatic transfer switch often uses side, and Qr is double
Power automatic transfer switch prepped side, in the embodiment scheme, the end of incoming cables of bypass breaker 3 is connected to common test open circuit
The end of incoming cables of device 1.Load 8 normally operation when, commonly use lead-in circuit breaker 6, standby lead-in circuit breaker 7, common test breaker 1,
Alternate tests breaker 2, double power supply automatic transfer switch are often closed with side Qn, cut-off breaker 4 and output breaker 5, other
Circuit breaker 3 disconnects.Now, power supply Un is commonly used by conventional lead-in circuit breaker 6, common test breaker 1, dual power supply automatically to turn
Change the conventional side Qn of switch, cut-off breaker 4 and the offer electric energy of road radial load 8 of breaker 5 is provided.
When needing to switch over experiment to double power supply automatic transfer switch, according to following flow operations：First closure bypass
Breaker 3, then cut-off breaker 4 is disconnected, now, core cell is exited from electrical system, and conventional power supply Un then passes through
The road radial load 8 of conventional lead-in circuit breaker 6, bypass breaker 3 and output breaker 5 persistently provides electric energy, realizes electric energy
Uninterrupted supply.During experiment, the disconnecting link of operation common test breaker 1 and alternate tests breaker 2 passes through its disconnected open and close
Close two states to simulate incoming power dead electricity, the situation of power transmission, check the automatic switching function of double power supply automatic transfer switch
It is whether intact, if it find that automatic switching function fails, on inspection, confirm that double power supply automatic transfer switch damages or needed to repair,
Spare part must be changed, common test breaker 1 and alternate tests breaker 2 is simultaneously switched off, insulating power supply does not have a power failure in system
In the case of fast changeable double power supply automatic transfer switch.
After the completion of experiment, first common test breaker 1 and alternate tests breaker 2 are closed at, then by dual power supply certainly
Dynamic change-over switch switches to conventional side Qn, then, closure cut-off breaker 4, finally disconnects bypass breaker 3, makes electrical system
Recover to original state.
It can be seen that, this programme sets by-pass unit by the conventional electric energy transmission equipment side in double power supply automatic transfer switch, makes double
The switching tests of power automatic transfer switch are more flexible, without system-down, meanwhile, do not interfere with load production and other processes
Normal operation, improve overhaul efficiency.
The utility model additionally provides a kind of electrical system, including conventional power supply and stand-by power supply and as described above pair
Power automatic transfer switch hookup.The derivation for the beneficial effect that the electrical system is produced turns automatically with above-mentioned dual power supply
The derivation for changing the beneficial effect that switch test circuit is brought is substantially similar, therefore repeats no more herein.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or new using this practicality
Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can in other embodiments be realized in the case where not departing from spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (4)
1. a kind of double power supply automatic transfer switch hookup, it is characterised in that including core cell and by-pass unit, the core
Heart unit includes：Double power supply automatic transfer switch, for be connected with conventional power supply conventional electric power incoming line, be used for and stand-by power supply
The stand-by power supply inlet wire of connection and the output line for connecting load (8), the by-pass unit include：Common test breaker
(1), alternate tests breaker (2), bypass breaker (3) and cut-off breaker (4), the common test breaker (1) set
It is placed on the conventional electric power incoming line, the alternate tests breaker (2) is arranged on the stand-by power supply inlet wire, the cut-off
Breaker (4) is arranged on the output line, and the end of incoming cables of the bypass breaker (3) is connected to the common test breaker
(1) end of incoming cables, the leading-out terminal of the bypass breaker (3) is connected to the leading-out terminal of the cut-off breaker (4).
2. double power supply automatic transfer switch hookup according to claim 1, it is characterised in that the common test breaks
Conventional lead-in circuit breaker (6) is additionally provided with the conventional electric power incoming line between road device (1) and the conventional power supply, it is described standby
Standby lead-in circuit breaker is additionally provided with the stand-by power supply inlet wire between experiment breaker (2) and the stand-by power supply
(7)。
3. double power supply automatic transfer switch hookup according to claim 1 or 2, it is characterised in that the cut-off is broken
Output breaker (5) is additionally provided with the output line between the leading-out terminal of road device (4) and the load (8).
4. a kind of electrical system, it is characterised in that including any in conventional power supply and stand-by power supply and such as claims 1 to 3
Double power supply automatic transfer switch hookup described in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720339471.4U CN206584019U (en) | 2017-04-01 | 2017-04-01 | A kind of double power supply automatic transfer switch hookup and a kind of electrical system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720339471.4U CN206584019U (en) | 2017-04-01 | 2017-04-01 | A kind of double power supply automatic transfer switch hookup and a kind of electrical system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206584019U true CN206584019U (en) | 2017-10-24 |
Family
ID=60092531
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720339471.4U Expired - Fee Related CN206584019U (en) | 2017-04-01 | 2017-04-01 | A kind of double power supply automatic transfer switch hookup and a kind of electrical system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206584019U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111025142A (en) * | 2019-12-30 | 2020-04-17 | 浙江富自电气有限公司 | Modular dual-power automatic transfer switch aging table |
| CN112558653A (en) * | 2020-11-20 | 2021-03-26 | 中国能源建设集团华东电力试验研究院有限公司 | Automatic control system and control method for bypass temperature of load shedding test |
| CN113049981A (en) * | 2019-07-30 | 2021-06-29 | 深圳市泛海三江电子股份有限公司 | Method for testing main power supply power conversion performance of fire power supply |
-
2017
- 2017-04-01 CN CN201720339471.4U patent/CN206584019U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113049981A (en) * | 2019-07-30 | 2021-06-29 | 深圳市泛海三江电子股份有限公司 | Method for testing main power supply power conversion performance of fire power supply |
| CN113049981B (en) * | 2019-07-30 | 2024-05-31 | 深圳市高新投三江电子股份有限公司 | Automatic testing method for fire-fighting power supply |
| CN111025142A (en) * | 2019-12-30 | 2020-04-17 | 浙江富自电气有限公司 | Modular dual-power automatic transfer switch aging table |
| CN111025142B (en) * | 2019-12-30 | 2021-10-29 | 浙江富自电气有限公司 | Modular dual-power automatic transfer switch aging table |
| CN112558653A (en) * | 2020-11-20 | 2021-03-26 | 中国能源建设集团华东电力试验研究院有限公司 | Automatic control system and control method for bypass temperature of load shedding test |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171024 Termination date: 20180401 |
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| CF01 | Termination of patent right due to non-payment of annual fee |