CN107994680A - Intelligent high-voltage dual power automatic switching control equipment - Google Patents
Intelligent high-voltage dual power automatic switching control equipment Download PDFInfo
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- CN107994680A CN107994680A CN201711438470.6A CN201711438470A CN107994680A CN 107994680 A CN107994680 A CN 107994680A CN 201711438470 A CN201711438470 A CN 201711438470A CN 107994680 A CN107994680 A CN 107994680A
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- 230000009977 dual effect Effects 0.000 title claims abstract description 30
- 238000004146 energy storage Methods 0.000 claims abstract description 125
- 230000003068 static effect Effects 0.000 claims abstract description 47
- 230000005611 electricity Effects 0.000 claims abstract description 43
- 230000009471 action Effects 0.000 claims description 83
- 230000009351 contact transmission Effects 0.000 claims description 54
- 238000000034 method Methods 0.000 claims description 17
- 230000008569 process Effects 0.000 claims description 15
- 230000001960 triggered effect Effects 0.000 claims description 14
- 238000004804 winding Methods 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 8
- 230000006837 decompression Effects 0.000 claims description 8
- 238000002955 isolation Methods 0.000 description 28
- 230000033001 locomotion Effects 0.000 description 28
- 238000003860 storage Methods 0.000 description 18
- 230000006870 function Effects 0.000 description 17
- 230000007246 mechanism Effects 0.000 description 12
- 238000012423 maintenance Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 6
- 238000011161 development Methods 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 230000000007 visual effect Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 206010033799 Paralysis Diseases 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000008571 general function Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses a kind of intelligent high-voltage dual power automatic switching control equipment,The first incoming line switch cabinet including being connected with alternating current,The control cabinet of second incoming line switch cabinet and connection electrical equipment,When the first incoming line switch cabinet leads to high-voltage electricity,When second incoming line switch cabinet disconnects,First incoming line switch cabinet includes the first main switch,First main switch includes the first moving contact,First static contact seat and the first energy storage axle for driving the first moving contact divide-shut brake,Second incoming line switch cabinet includes the second main switch,Second main switch includes the second moving contact,Second static contact seat and the second energy storage axle for driving the second moving contact divide-shut brake,Control cabinet includes vacuum circuit breaker,Vacuum circuit breaker includes vacuum moving contact,Static contact seat and the master control energy storage axle for driving vacuum moving Contact Breaking/Making Operations lock,Further include the first main switch of control,The control circuit of second main switch and vacuum main controller divide-shut brake,The divide-shut brake usage safety performance of twin-power switch cabinet is improved by said system and reduces switching time.
Description
Technical field
The present invention relates to power distribution cabinet field, more particularly to a kind of intelligent high-voltage dual power automatic switching control equipment.
Background technology
With the development of China's industrial economy, the popularization of automatic electronic technology and development, the hair of social economy is promoted
Exhibition, equally also promotes the development and progress of electric utility, for this reason, to adapt to electric power development and the demand of vast electricity consumer, it is few
The idea of power failure or the raising power supply reliability not having a power failure is with the progress in epoch, the development of social economy and industrial automation skill
Application of art etc., it appears more and more stronger.Therefore, before several years ago, under the advocating of State Grid Corporation of China, existing countless families are defeated
Transformer equipment manufacturing enterprise have developed the high-voltage dual power automatic switching control equipment product of all kinds structure, but basic knot in succession
Structure is in addition to the pattern of the switching main switching devices of use is different, typically each using two incoming line switch cabinets and the group of a control cabinet
The Structure Phenomenon for closing or being directly made of two incoming line switch cabinets and controller, is made by an incoming line switch cabinet under normal circumstances
For main power supply, another incoming line switch cabinet is in gate-dividing state.When controller detects the power supply decompression or deficient in power supply
When pressure and stand-by power supply normally have the signal of electricity, automatically by the main switching devices on the incoming line switch cabinet of power supply state point
Lock, then closes a floodgate the main switching devices on the incoming line switch cabinet in stand-by power supply state.But this kind of high-voltage dual power is certainly
Dynamic switching device product, its main switching devices can not meet the distribution of dual power supply after automatic switchover holding function is undertaken
Equipment must have the requirement of visual obvious fracture point.In addition, analyzed by the main switching devices type that it can be configured：If
Main switching devices use common load switch equipment, then its electric life number can only at most be born hundred times or so, this with
High-voltage dual power automatic switching control equipment must assure that more electricity because need to need to frequently be acted compared with conventional electrical appliance equipment
The requirement of service life number is not inconsistent；If main switching devices use vacuum switch or vacuum load switch equipment, except that can not meet have
Outside the requirement of visual obvious fracture point, because the time of its automatic switchover action need to cannot meet high pressure completely in 20s~30
The general function that need to be completed by electrical equipment characteristic in 10s that the power supply conversion of automatic switching control equipment need to be switched fast as far as possible will
Ask；If main switching devices use SF6 switchgears, the problems such as involving environmental protection because of it and by a lot of urban distribution network companies
And equipment is eliminated in the conduct that will be affected the whole country from now on, and SF6 switchgears also relate to whether really have obvious fracture point
The problem of；Moreover the design structure of the high-voltage dual power automatic switching control equipment product supplied by current city is analyzed, if once certain road
The equipment of incoming line switch cabinet produces problem, even the problem of very little, need to overhaul or need regular maintenance, it is necessary to will be in power supply shape
It can implement after the dump of state, this is antipathetic with the target for providing dual power supply, adds electricity consumption on the contrary and sets
The standby probability having a power failure more.Therefore, the high-voltage dual power automatic switching control equipment product that city supplies at present, analyzes from various functions, deposits
In serious deficiency.
Moreover need the electricity consumption department for being equipped with high-voltage dual power automatic switching control equipment product single on high pressure equipment for power transmission and distribution
Position, the requirement that power supply reliability is met needed for it will be electricity consumption division unit to power supply quality, avoid or have a power failure less the problems such as
Propose the requirement of higher.If the problems such as power quality, power supply reliability cannot be guaranteed, electricity consumption department will be seriously affected surely
The economy of unit makes production pause, finance paralysis, it is also possible to causes social concern, life is in danger etc..Therefore,
The factors such as technical merit, advance and the reliability of high-voltage dual power automatic switching control equipment product, are more related to national economy, more
The problem of being related to society and politics to stabilize, being more related to safety and life of electricity consumption personnel etc..So high-voltage dual power is automatic
The research and development of switching device product, will be paid attention to by electricity consumption division unit, also will can be by power department and national society
Management function department is classified as major products and is subject to specification.
The content of the invention
Switch rapid, safe and reliable, generally conventional repair and maintenance the object of the present invention is to provide a kind of and can ensure electricity consumption
Equipment has the intelligent high-voltage dual power automatic switching control equipment that power supply is powered.
To achieve the above object, realized by following technological means：A kind of intelligent high-voltage dual power automatic switching control equipment, bag
Include and be connected with the first incoming line switch cabinet of the first high pressure alternating current, the second incoming line switch cabinet for being connected with the second high pressure alternating current and connection
The control cabinet of electrical equipment, when the first incoming line switch cabinet leads to the first high pressure alternating current, the second incoming line switch cabinet then with the second high pressure
City is electrically disconnected, and first incoming line switch cabinet includes the first main switch, and the first main switch includes the first moving contact, the first static contact seat
And the first energy storage axle of the first moving contact divide-shut brake is driven, second incoming line switch cabinet includes the second main switch, the second master
Switch includes the second moving contact, the second static contact seat and the second energy storage axle for driving the second moving contact divide-shut brake, the control cabinet
Including vacuum circuit breaker, vacuum circuit breaker includes vacuum moving contact, static contact seat and the master control for driving vacuum moving Contact Breaking/Making Operations lock
Energy storage axle, it is characterised in that further include the control for controlling first main switch, the second main switch and vacuum circuit breaker divide-shut brake
Circuit, the control circuit include：
Master control opening circuit, including the first master control opening circuit, when the controller in control cabinet receives the first high pressure city
When electric decompression or under-voltage or undercurrent and the second high pressure alternating current normally have the signal of electricity, the first separating brake contact crawl is triggered by controller
Formula turns on and thereby turns on the contact action of the first separating brake relay of the first master control opening circuit and locking so that the first master control
Opening circuit keeps conducting state, so that master control dropout switching winding is powered, promotes master control moving contact transmission shaft to take off
Pull work and cause vacuum moving contact separating brake, and then send the first sub-gate signal to the first opening circuit, transmission master control separating brake shape
State signal the first close switch insurance circuit；
First opening circuit, for receiving the first sub-gate signal sent from the first master control opening circuit and triggering first
Dropout switching winding acts, and promotes the first moving contact transmission shaft trip action to cause the first moving contact separating brake, and then sends the
One gate-dividing state signal gives the first close switch insurance circuit, and subsequent controller receives the master control gate-dividing state signal and the first separating brake
After status signal, and send the second switching signal and give master control combined floodgate circuit to the second combined floodgate circuit, transmission master control switching signal；The
Two combined floodgate circuits, for receiving second switching signal, trigger the second motor and drive the second energy storage axle to rotate and make afterwards
Obtain the second moving contact and the second static contact seat closes a floodgate；
Master control combined floodgate circuit, turns for receiving the master control switching signal and triggering main control motor driving master control energy storage axle
It is dynamic that vacuum moving contact is closed a floodgate with vacuum static contact seat；
First accumulator, for controlling the first energy storage axle to continue to rotate to "on" position and controlling the first energy storage axle to stop
Terminate in "on" position i.e.；
First involution circuit, for postponing the turn-off time of master control opening circuit, and after time delay is triggered
Send the enabling signal of the first accumulator.
Further it is optimized for：The master control opening circuit includes the first separating brake contact, the second separating brake for being controlled by controller
Contact, the first master control opening circuit and the second master control opening circuit；The first separating brake contact and the second separating brake contact, works as control
When device processed receives power supply decompression or under-voltage or undercurrent and stand-by power supply normally has the signal of electricity, controller sends and cuts automatically
The separating brake action command changed, and trigger the first separating brake contact or the second separating brake contact point dynamic formula conducting；First master control point
Lock circuit and the second master control opening circuit, when the first master control opening circuit or the second master control opening circuit receive the first separating brake and touch
After point or the second separating brake contact point dynamic formula turn-on power, the contact action of the first separating brake relay or the second separating brake relay is triggered
And locking itself circuit so that itself circuit keeps conducting state, and triggers the action of master control dropout switching winding, promotes to lead
Control moving contact transmission shaft trip action causes vacuum moving contact separating brake.
Further it is optimized for：First opening circuit include being used for receiving the first separating brake of first sub-gate signal after
The normally opened contact of electric appliance, and the normally opened contact closure of the first separating brake relay makes after first sub-gate signal is received
The action of the first dropout switching winding is obtained, promotes the first moving contact transmission shaft trip action to cause the first moving contact separating brake, in separating brake
During trigger the action of the first limit relay, which sends after the separating brake of the first moving contact transmission shaft
First gate-dividing state signal gives the first close switch insurance circuit.
Further it is optimized for：Second combined floodgate circuit includes being used for the second closing contact for receiving second switching signal,
The second closing contact closes after second switching signal is received, and promotes the rotation of the second energy storage axle to drive second to move and touch
Head closes a floodgate with the second static contact seat, and the second auxiliary relay is triggered after combined floodgate, which touches after combined floodgate
The normally-closed contact that hair is connected on the second auxiliary relay in the second combined floodgate circuit disconnects, and the second energy storage axle of stopping continues to turn
It is dynamic.
Further it is optimized for：Master control combined floodgate circuit includes being used to receive master control switching signal and is controlled by the 3rd of controller
Closing contact, when receiving the master control switching signal, the 3rd closing contact closes and drives master control energy storage axle to rotate
So that vacuum movable contact closes a floodgate with vacuum stationary contact, and triggers master control auxiliary relay in making process, master control auxiliary
The normally-closed contact for the master control auxiliary relay that relay triggering after closing a floodgate is connected in master control combined floodgate circuit disconnects, and stops master
Control energy storage axle is rotated further.
Further it is optimized for：The first involution circuit includes the first separating brake relay normally open contact for being mutually in series and the
The normally-closed contact of one auxiliary relay, the first separating brake relay normally open contact turn on and first in the first master control opening circuit
Separating brake relay coil closes when obtaining electric, and the first auxiliary normally-closed contact completes separating brake in the first moving contact transmission shaft and acts it
After close, when the first separating brake relay normally open contact and first auxiliary normally-closed contact close when the first time-delay relay obtain electric meter
When, and the first time-delay relay normally-closed contact is in series with the first involution circuit and master control opening circuit.
Further it is optimized for：First accumulator includes the first separating brake relay normally closed contact, when the first involution electricity
After first time-delay relay on road obtains electric and deferred action, the first separating brake relay being arranged in the first involution circuit loses
Electricity, after the first separating brake relay electric-loss, the first separating brake relay normally closed contact in the first accumulator closure connects the
One accumulator, drives the first energy storage axial direction combined floodgate direction to rotate and when the first energy storage axle touches the when i.e. by "on" position
One limit relay, the action of first limit relay is so that the first spacing normally-closed contact being connected in the first accumulator
Disconnect, and cause the first energy storage axle stops operating to stop at "on" position i.e..
The present invention compared with prior art the advantages of be：When controller receives the first high pressure mains-supplied power supply or
When two high pressure mains-supplied power supply decompressions or under-voltage or undercurrent and stand-by power supply normally have the signal of electricity, controller sends and cuts automatically
The separating brake action command changed, triggers the first master control opening circuit or the conducting of the second master control opening circuit so that the vacuum of control cabinet
Breaker open operation, is triggered as current decompression or under-voltage or undercurrent in conjunction again after the vacuum circuit breaker separating brake of control cabinet
First main switch of the first incoming line switch cabinet of lock or the second main switch of the second incoming line switch cabinet separating brake again, then start at the same time
First separating brake involution circuit or the second separating brake involution circuit, the second combined floodgate circuit or the first combined floodgate circuit and master control combined floodgate circuit,
Due to the first master control combined floodgate circuit control master control switching-on mechanism closing time than the second combined floodgate circuit or the first combined floodgate circuit
The closing time length of second main switch of control, so and the second main switch first complete feed motion, after master control switching-on mechanism
Feed motion is completed, realizes the automatic switchover of twin-power switch cabinet, and in the first separating brake involution circuit or the second separating brake involution
Locking cut-out involution circuit and the first master control opening circuit or the second master control separating brake after the setting time after circuit operation completion
Circuit, then starts the first accumulator of the first incoming line switch cabinet or the second accumulator of the second incoming line switch cabinet, makes
One energy storage axle or the second energy storage axle rotate the function of reaching energy pre-storage, reduce the closing time next time when automatically switching,
The sequential process that aforesaid way uses during combined floodgate separating brake for：Control cabinet separating brake -- the first incoming line switch cabinet separating brake or second
Incoming line switch cabinet separating brake -- the second incoming line switch cabinet closes a floodgate or the first incoming line switch cabinet closes a floodgate -- order that control cabinet is closed a floodgate, can
Improve whole system switchgear service life because first, second main switch be realized in the case of currentless point,
Feed motion, avoids the ablated phenomenon of sound touch base seat in dividing, closing a floodgate, and arc-suppression function is undertaken by vacuum circuit breaker,
Increase the electric life of isolation fracture, and equipment cost can be reduced.It is so more reasonable using the order of this point, combined floodgate；At the same time
The step of energy storage acts in advance is added, enables to the switching-on mechanism of backup circuit breaker cabinet to be in pre- "on" position, it is automatic when needing
During switching, the time of automatic switchover is greatly reduced；It can be obtained from the above process：When the power supply decompression in power supply state
Or during under-voltage or undercurrent, device is automatically rapidly by the vacuum circuit breaker in control cabinet and the incoming line switch cabinet in power supply state
It is upper that there is the isolation fracture separating brake of obvious visual fracture point and cut off decompression or under-voltage or undercurrent power supply, and rapidly will be standby
Closed a floodgate with the isolation fracture on the incoming line switch cabinet on power supply with obvious visual fracture point, and again by the vacuum in control cabinet
Breaker closing, so that electrical equipment is rapidly switched on the circuit of stand-by power supply automatically.
Brief description of the drawings
Fig. 1 is the overall co-ordination schematic diagram of embodiment twin-power switch cabinet；
Fig. 2 is the A-A schematic diagrames of Fig. 1；
Fig. 3 is the rearview laid down after rear sealing plate of the first incoming line switch cabinet of embodiment；
Fig. 4 is the I portions enlarged drawing of Fig. 3；
Fig. 5 is the B-B schematic diagrames of Fig. 1；
Fig. 6 is the rearview laid down after rear sealing plate of embodiment control cabinet；
Fig. 7 is the II portions enlarged drawing of Fig. 6；
Fig. 8 autotomys electric operation control circuit figure for the control cabinet of embodiment；
Fig. 9 autotomys electric operation control circuit figure for the first incoming line switch cabinet of embodiment；
Figure 10 autotomys electric operation control circuit figure for the second incoming line switch cabinet of embodiment；
Figure 11 is the switching state signal and close switch insurance circuit diagram of embodiment；
Figure 12 is the information of voltage circuit diagram of embodiment.
Embodiment
It is described in further detail below in conjunction with the accompanying drawings and by specific embodiment to invention, following embodiments are descriptive
, it is not limited protection scope of the present invention.
Embodiment
Intelligent high-voltage dual power automatic switching control equipment, referring first to attached drawing 1-7, includes the first incoming line switch cabinet 1, second
Incoming line switch cabinet 2 and control cabinet 3, wherein the mechanical structure and first and second of the first incoming line switch cabinet 1 and the second incoming line switch cabinet 2
The electrical principle of circuit is consistent, is a kind of structural relation in parallel, so only representational with the first incoming line switch cabinet 1 here
Described with the mechanical structure of control cabinet 3 and the electrical principle of first and second circuit.
First, intelligent high-voltage dual power automatic switching control equipment on the spot open by the mechanical action mechanism 1 of hand behaviour or electricity behaviour, the first inlet wire
Cabinet 1 is closed, the first incoming line switch cabinet 1 is respectively the first inlet wire cable vault 101, first maintenance fracture 102 from bottom to top, and first isolates
103 and first bus-bar room 104 (referring to 1~attached drawing of attached drawing 4) of fracture room, the first maintenance fracture static contact seat 1021 and first therein
Inlet wire cable is connected, the first high pressure mains supply of connection, and the first static contact seat 112 in the first bus-bar room 104 is isolated disconnected with second
Second static contact seat 212 of mouth is connected in parallel to be connected with the vacuum static contact seat 3032 of control cabinet 3 again, in the first isolation fracture room 103
The first main switch 11 is provided with, the high-voltage appliance switch equipment with hand behaviour and electricity behaviour's dual-use function, is used for realization the first high pressure
Whether mains supply from the first inlet wire cable vault 101 flows into first bus-bar room 104 up to the vacuum static contact seat 3032 of control cabinet 3
First isolation of the first main switch 11 and the second main switch 21 is disconnected in purpose, the first incoming line switch cabinet 1 and the second incoming line switch cabinet 2
1031 and second isolation fracture 2031 of mouth is respectively provided with obvious port point, i.e. between the first moving contact 111 and the first static contact seat 112, the
Between two moving contacts 211 and the second static contact seat 212, it can significantly be seen to be exposed when respective isolation fracture is in gate-dividing state
Be in separated off-state in atmosphere, ensure equipment power supply switch or overhaul of the equipments etc. during can be directly perceived know
The requirement of electrical safety reliability, it is ensured that avoid the generation of electrical hazard event.
First main switch 11 includes, the first primary switch control circuit 11-1, the first moving contact 111, the first static contact seat 112,
First energy storage axle 13, first-hand behaviour and electrically operated institution 18, the first moving contact transmission shaft 19 etc.；First moving contact 111 and first quiet
Touch base 112 is to be grasped by first-hand behaviour or electrically operated institution 18 with hand behaviour or electricity by the first energy storage axle 13 when doing feed motion process
Rotate compressed energy-storage spring to zero passage after release can trigger drive the first moving contact transmission shaft 19 using the axle center of the first energy storage axle 13 as
Axle center rotates, the rotation of the first moving contact transmission shaft 19, drives the first moving contact 111 to be moved to the first static contact seat 112, until inhaling
Splice grafting touches, and completes feed motion, and when the first moving contact transmission shaft 19 rotates, the energy that the first energy storage axle 13 is discharged is also same
When to the first separating brake energy springs needed for 111 disengaging movement of the first moving contact done compressed energy-storage work(, and in the first moving contact
111 just are stopped making when closing with the first static contact seat 112 by locker falling buckle, stop the first moving contact transmission shaft 19 be in locked
The state of first separating brake energy springs energy storage of buckle device lock；When the first energy storage axle 13 turns to and crosses zero position soon, first
The first push plate 14 that energy storage axle 13 drives together touches the action of the first limit relay (1SQ2 and 1SQ3) 12, promotes its corresponding
Normally-closed contact disconnects, normally opened contact conducting, drives first to move until the first energy storage axle 13 is rotated further after making energy-stored spring zero passage
Contact transmission shaft 19 rotates promote the first moving contact 111 and the first static contact seat 112 to close after, the first limit relay (1SQ2 and
1SQ3) 12 normally-closed contact keeps off-state, and normally opened contact keeps conducting state；Also treat that the first moving contact is driven
After the rotation of axis 19 causes the first moving contact 111 and the first static contact seat 112 closure, the rotation of the first moving contact transmission shaft 19 drives
First connecting rod 15 is rotated by fulcrum and drives the rotation of the first turntable 16, and the rotation of the first turntable 16 causes the first auxiliary relay
The contact action of (1F) 17, its corresponding normally-closed contact disconnect, normally opened contact conducting.First moving contact 111 and the first static contact seat
112 when doing separating brake action process, is by first-hand behaviour and electrically operated institution 18 with hand behaviour or electricity behaviour so that the first dropout separating brake line
Circle (1TQ) 1-2 obtain it is electric, by the first moving contact transmission shaft 19 separating brake energy springs energy storage locker thread off so that separating brake
Energy springs, which are released, can drive the first moving contact transmission shaft 19 to be rotated with the first energy storage axle 13 for axle center, promote the first moving contact 111
Movement separation the first static contact seat 112 and separating brake, when the first moving contact transmission shaft 19 turns to open position process, also drive
First connecting rod 15 is rotated by fulcrum and drives the rotation of the first turntable 16, and the rotation of the first turntable 16 causes the first auxiliary relay
17 contact action, its corresponding normally-closed contact conducting, normally opened contact disconnects, while is turned in the first moving contact transmission shaft 19
During open position, continue to be grasped with hand as first-hand behaviour and electrically operated institution 18 or as the spacing contact conducting first built in electric behaviour's system
Involution circuit makes first-hand behaviour and electrically operated institution 18 do reverse rotation work(, until causing 13 involution of the first energy storage axle is led to first to open
Hand actuating work is eliminated after closing the 11 original stop states in open position or is answered as the spacing break of contact built in electric behaviour's system
Return circuit, complete separating brake program；In the first energy storage axle 13 does involution rotation process, the first energy storage axle 13 is from closing position involution
Rotation extremely triggers the first limit relay when the first main switch 11 does feed motion movement in 13 rotary motion of the first energy storage axle
During the same position of (1SQ2 and 1SQ3) 12, the first limit relay (1SQ2 is removed in the first push plate 14 that the first energy storage axle 13 drives
With 1SQ3) 12, make its corresponding normally-closed contact conducting, normally opened contact disconnects.
2nd, control cabinet 3, referring to attached drawing 1, attached drawing 5, attached drawing 6 and attached drawing 7, the vacuum circuit breaker 31 of control cabinet 3 includes master control
It is grounded contact knife 302, vacuum moving contact 3031, vacuum static contact seat 3032, master control moving contact 311, master control static contact seat 312, master control storage
Can axis 33, dominant hand behaviour and electrically operated institution 38, master control moving contact transmission shaft 39 etc.；Vacuum moving contact 3031 and vacuum static contact seat
Conjunction transfer between 3032 is made to be to make what is completed by the mechanism hand actuating of dominant hand behaviour and electrically operated institution 38, when it is in gate-dividing state
When, that is, the spacing contact action built in vacuum circuit breaker 31 is touched, it can be made to cut off the electricity behaviour of vacuum circuit breaker 31 and automatic
The main circuit of switching, therefore the master control isolation fracture 303 is only used as control cabinet 3 and is used as isolation when maintenance is when purposes；Master control connects
As master control isolation fracture 303, it closes transfer makees to be also the mechanism hand by dominant hand behaviour and electrically operated institution 38 ground contact knife 302
Actuating makees what is completed, when it is in "on" position, that is, touches the spacing contact action built in vacuum circuit breaker 31, can cut it
The electricity behaviour of disconnected vacuum circuit breaker 31 and the main circuit to automatically switch, therefore master control ground connection contact knife 302 is only used as control cabinet 3 and is examining
Repair make when purposes it is earthy；Master control moving contact 311, when doing feed motion process, is by dominant hand with master control static contact seat 312
Behaviour and electrically operated institution 38 are grasped with hand or master control energy storage axle 33 is rotated to release after compressed energy-storage spring to zero passage and can trigger drive by electricity behaviour
Master control moving contact transmission shaft 39 is rotated by axle center of the axle center of master control energy storage axle 33, the rotation of master control moving contact transmission shaft 39, band
Dynamic master control moving contact 311 is moved to master control static contact seat 312, until being attracted contact, completes feed motion, and pass in master control moving contact
When moving axis 39 rotates, the energy that master control energy storage axle 33 is discharged is also while to the master control needed for 311 disengaging movement of master control moving contact
Separating brake energy springs have done compressed energy-storage work(, just by latching also and when master control moving contact 311 is closed with master control static contact seat 312
Device falling buckle stops making, and stops master control moving contact transmission shaft 39 in the master control separating brake energy springs energy storage for being snapped device lock
State；When master control energy storage axle 33 turns to and crosses zero position soon, the master control push plate 34 that master control energy storage axle 33 drives together touches master
The action of limit relay (SQ) 32 is controlled, promotes its corresponding normally-closed contact to disconnect, normally opened contact conducting, until master control energy storage axle 33
Being rotated further after making energy-stored spring zero passage drives the rotation of master control moving contact transmission shaft 39 to promote master control moving contact 311 and master control stationary contact
After the closure of seat 312, the normally-closed contact of master control limit relay (SQ) 32 keeps off-state, and normally opened contact, which is kept, leads
Logical state；Also it is main after the rotation of master control moving contact transmission shaft 39 causes master control moving contact 311 to be closed with master control static contact seat 312
The rotation of control moving contact transmission shaft 39 drives master control connecting rod 35 to be rotated by fulcrum and drive the rotation of master control turntable 36, master control turntable
36 rotation causes the contact of master control auxiliary relay (LW1) 37 to act, its corresponding normally-closed contact disconnects, and normally opened contact is led
It is logical.Master control moving contact 311, when doing separating brake action process, is used by dominant hand behaviour and electrically operated institution 38 with master control static contact seat 312
Hand grasp or cause master control dropout switching winding (YT) 3-2 obtain it is electric, by master control moving contact transmission shaft 39 separating brake energy springs store up
Energy locker is threaded off so that separating brake energy springs, which are released, can drive master control moving contact transmission shaft 39 with master control energy storage axle 33 for axle center
Rotation, promotes the movement separation of master control moving contact 311 master control static contact seat 312 and separating brake, is turned in master control moving contact transmission shaft 39
During open position process, also drive master control connecting rod 35 to be rotated by fulcrum and driven the rotation of master control turntable 36, master control turntable 36
Rotation so that the contact action of master control auxiliary relay 37, its corresponding normally-closed contact conducting, normally opened contact disconnect, while
When master control moving contact transmission shaft 39 turns to open position, continue to be grasped with hand by dominant hand behaviour and electrically operated institution 38 or be by electricity behaviour
The built-in spacing contact conducting involution circuit of system makes dominant hand behaviour and electrically operated institution 38 do reverse rotation work(, until so that master control storage
Energy 33 involution of axis to vacuum circuit breaker 31 eliminates hand actuating work or by electric behaviour's system after being in the original stop state of open position
Built-in spacing break of contact involution circuit, completes separating brake program；In master control energy storage axle 33 does involution rotation process, master control storage
Energy axis 33 is rotated to 33 rotary motion of master control energy storage axle when vacuum circuit breaker 31 does feed motion movement from closing position involution
During the same position of middle triggering master control limit relay (SQ) 32, it is spacing that master control is removed in master control push plate 34 that master control energy storage axle 33 drives
Relay (SQ) 32, makes its corresponding normally-closed contact conducting, and normally opened contact disconnects.
2nd, the electrical action mechanism that intelligent high-voltage dual power automatic switching control equipment automatically switches
Referring first to 1~Figure 12 of attached drawing, the first incoming line switch cabinet 1, the inlet wire cable vault of the second incoming line switch cabinet 2 connect respectively
The the first high pressure mains supply and the second high pressure mains supply, control cabinet 3 for being connected to different power supply circuits are connected with electrical equipment (such as
Power transformer etc.)；When a certain mains supply is such as the first incoming line switch cabinet 1 or the second incoming line switch cabinet 2 as electrical equipment
During current power supply incoming line cabinet, electricity consumption is used as if another mains supply such as the second incoming line switch cabinet 2 or the first incoming line switch cabinet 1
The back-up power source incoming line cabinet of equipment, it is assumed that the first incoming line switch cabinet 1 is the current power supply incoming line cabinet of electrical equipment, the
Two incoming line switch cabinets 2 also just become the incoming line cabinet of the back-up power source of electrical equipment, are worked as below with the first incoming line switch cabinet 1
Do and be illustrated exemplified by the current power supply incoming line cabinet of electrical equipment.
1st, the first incoming line switch cabinet 1 automatically switches to the electrical action mechanism of separating brake
During normal power supply, the first maintenance fracture 102 of the first incoming line switch cabinet 1 and the second incoming line switch cabinet 2
Closing position is in the second maintenance fracture 202 and is respectively turned in the first high pressure mains supply and the second high pressure alternating current electricity
Source, therefore, the first maintenance auxiliary relay of 412 front end of the first master control opening circuit 411 and the second master control opening circuit
The contact closure (referring to Fig. 8) of the maintenance of (1SQ1) 102-1 and second auxiliary relay (2SQ1) 202-1, and the first main switch
11 the first isolation fracture 1031 is in "on" position, and the second isolation fracture 2031 of the second main switch 21 is in gate-dividing state,
The master control isolation fracture 303 and master control moving contact 311 of control cabinet 3 are in "on" position, and the first high pressure mains supply leads at this time
1 normal power supply of the first incoming line switch cabinet is crossed, and by 3 panel of the first incoming line switch cabinet 1, the second incoming line switch cabinet 2 and control cabinet
The first change-over switch (1SA) 1-1, the second change-over switch (2SA) 2-1 and master control change-over switch for mode of operation switching
(SA1) 3-1 be all placed in automatic transmission and by controller (ZBC) 3-0 by reset key after, i.e. 411 He of the first master control opening circuit
The circuit of second master control opening circuit, 412 front end is powered (referring to Fig. 8), and equipment is put into the first incoming line switch cabinet 1 as just
The automatic switching function state of normal power supply, at this time, the second accumulator 63 obtains electric (referring to Figure 10), the second main switch 21
On the second primary switch control circuit 21-1 on energy storage motor loop obtain electric, the second energy storage axle 23 does the rotational work of energy pre-storage,
Second energy storage axle 23 drives the second push plate 24 to rotate together, when will go to energy-stored spring pressure during energy storage rotational work is done
The action of the second limit relay (2SQ2 and 2SQ3) 22 is triggered during the fast zero passage that contracts (referring to Figure 10), makes its corresponding normally-closed contact
Disconnecting, normally opened contact turns on and has cut off the circuit of the energy storage motor loop on the second primary switch control circuit 21-1, and due to
The connection that second-hand grasps between 28 and second energy storage axle 23 of electrically operated institution is the connection relation by worm and wheel, by the second energy storage
Axis 23 stops at current location and motionless, and the second main switch 21 is complete in the energy pre-storage working procedure under automatic switchover state
Into.Referring to the circuit diagram of Fig. 8, when controller (ZBC) 3-0 detects 1 dead electricity signal of the first incoming line switch cabinet (that is first
Mains supply powers off) and when normally having electricity in the end of incoming cables of back-up power source (the second incoming line switch cabinet 2), controller (ZBC)
The first separating brake contact of triggering 411-1 points dynamic formula action that 3-0 delays are (adjustable) so that the conducting of the first master control opening circuit 411, the
The contact of one intermediate relay (KAl) 411-2 also converts because its coil obtains electric, while also the first master control opening circuit of locking
411 and keep conducting state, master control dropout switching winding (YT) 3-2 obtain it is electric so that electromagnetism shaft core act so that master control move
Contact transmission shaft 39 is threaded off and releases and can be rotated with the axle center of master control energy storage axle 33, promotes the movement separation master control of master control moving contact 311 quiet
Touch base 312 and separating brake, when master control moving contact transmission shaft 39 turns to open position, simultaneously remove master control limit by master control push plate 34
Position relay (SQ) 32, promotes its corresponding normally-closed contact conducting, and normally opened contact disconnects, and another side also drives master control connecting rod 35 to press
Fulcrum rotates and drives the rotation of master control turntable 36, and the rotation of master control turntable 36 causes touching for master control auxiliary relay (LW1) 37
Point action, its corresponding normally-closed contact conducting, normally opened contact disconnects, while turns to sub-gate position in master control moving contact transmission shaft 39
When putting, the action of the spacing contact built in due to vacuum circuit breaker 31 so that the energy storage on vacuum circuit breaker control circuit 31-1
Electric motor loop reverse-conducting obtains electric, and master control energy storage axle 33 does counter rotational movement, until so that 33 involution of master control energy storage axle is to true
Empty breaker 31 is cut off after being in the original stop state of open position as the spacing contact action built in vacuum circuit breaker 31
Energy storage motor loop, completes the whole separating brake program of control cabinet 3.Cut automatically in 3 master control moving contact transmission shaft of control cabinet, 39 reason
When changing instruction triggers trip action to open position, since it triggers the contact action of master control auxiliary relay (LW1) 37 and the
The contact action of the first intermediate relay (KAl) 411-2 on one master control opening circuit 411 so that on the first incoming line switch cabinet 1
The first opening circuit 51 turn on electric, first dropout switching winding (1TQ) 1-2 obtains electric (referring to attached drawing 9), so that electromagnetism shaft core
Action causes the first moving contact transmission shaft 19 is threaded off to release and can be rotated with the axle center of the first energy storage axle 13, promotes the first moving contact 111
Movement separation the first static contact seat 112 and separating brake, when the first moving contact transmission shaft 19 turns to open position, simultaneously pushed away by first
Plate 14 removes the first limit relay (1SQ2 and 1SQ3) 12, promotes its corresponding normally-closed contact conducting, and normally opened contact disconnects, separately
Simultaneously also first connecting rod 15 is driven to be rotated by fulcrum and drive the rotation of the first turntable 16, the rotation of the first turntable 16 causes first
The contact action of auxiliary relay (1F) 17, its corresponding normally-closed contact conducting, normally opened contact disconnect, while in the first moving contact
When transmission shaft 19 turns to open position, due to the action of the spacing contact built in the first main switch 11, along with the first master control
411 and its first intermediate relay (KA1) 411-2 of opening circuit is also under continuation conducting state so that the first combined floodgate involution
The conducting of circuit 52 and locking is in continuous logical state (referring to attached drawing 9), also hence in so that on the first primary switch control circuit 11-1
Energy storage motor loop reverse-conducting obtain electric, the first energy storage axle 13 does counter rotational movement, until so that the first energy storage axle 13 is multiple
Return to the first main switch 11 and be in after the original stop state of open position as the spacing contact action built in the first main switch 11
And energy storage motor loop is cut off, complete the whole separating brake program of the first incoming line switch cabinet 1；Turned in the first combined floodgate involution circuit 52
When, also so that the first combined floodgate involution circuit 52 on the first time-delay relay (1KT1) 52-1 coil obtain it is electric, first delay after
Electric appliance (1KT1) 52-1 just by its setting delay time start timing, then after just trigger its contact action conversion, make its normal
Closed contact disconnects, and normally opened contact conducting, its delay time set does the first storage after must can ensure that 11 separating brake of the first main switch
Can 13 involution of axis turn to after the original stop state of open position needed for time.
2nd, the second incoming line switch cabinet 2 automatically switches to the electrical action mechanism of combined floodgate
Automatically dropout separating brake turns to the first moving contact to the first moving contact transmission shaft 19 for treating on the first incoming line switch cabinet 1
111 separating brakes are completed after promoting 17 contact conversion action of the first auxiliary relay (1F), pass through the first auxiliary relay (1F) 17
Contact acts and the action series connection of the contact of master control auxiliary relay (LW1) 37 turns on the first close switch insurance circuit 71 (referring to attached
Figure 11), then by the first switching state signal circuit 71 by the first isolation fracture 1031 and control cabinet 3 of the first incoming line switch cabinet 1
The information of master control moving contact separating brake be transferred to controller (ZBC) 3-0, divided when controller (ZBC) 3-0 receives power supply
After the successful information of lock, delay (adjustable) triggers the second service entrance switch of the second high pressure mains supply of back-up power source respectively
The second closing contact 64-1 points dynamic formula on second combined floodgate circuit 64 of cabinet 2 acts the master (referring to attached drawing 10) and in control cabinet 3
The master control closing contact 42-1 points dynamic formula controlled on combined floodgate circuit 42 is acted (referring to attached drawing 8) so that the second combined floodgate circuit 64 and master
Control the conducting of combined floodgate circuit 42 and locking is in continuous logical state.
1) due to the second primary switch control circuit 21-1 the second energy storage motor loop by the second combined floodgate circuit 64 conducting
And again it is electric, the second energy storage motor drives the second energy storage axle 23 to continue to do energy storage and rotates work(, is pressed when the second energy storage axle 23 rotates
Releasing to trigger after contracting energy-stored spring to zero passage drives the second moving contact transmission shaft 29 to be revolved by axle center of the axle center of the second energy storage axle 23
Turn, the rotation of the second moving contact transmission shaft 29, drive the second isolation fracture moving contact 211 to the second isolation fracture static contact seat 212
It is mobile, until being attracted contact, feed motion is completed, and when the second moving contact transmission shaft 29 rotates, the second energy storage axle 23 is released
The energy put also while has done compression storage to the second separating brake energy springs needed for 211 disengaging movement of the second isolation fracture moving contact
Energy work(, also and when the second isolation fracture moving contact 211 is closed with the second isolation fracture static contact seat 212 is just fallen by locker
Button stops making, and stops the state that the second moving contact transmission shaft 29 is in the second separating brake energy springs energy storage for being snapped device lock；
The second energy storage axle 23 continue to do energy storage rotate work(to the second moving contact transmission shaft 29 complete to close a floodgate it is dynamic during, second is spacing
The normally-closed contact of relay (2SQ2 and 2SQ3) 12 keeps off-state, and normally opened contact keeps conducting state；Treat
After the rotation of two moving contact transmission shafts 29 causes the second moving contact 211 and the second static contact seat 212 closure, the second moving contact transmission shaft
29 rotation drives second connecting rod 25 to be rotated by fulcrum and drive the rotation of the second turntable 26, and the rotation of the second turntable 26 causes the
The contact action of two auxiliary relays (2F) 17, its corresponding normally-closed contact disconnect, normally opened contact conducting.
2) equally, also due to the master control energy storage motor loop of vacuum circuit breaker control circuit 31-1 is by master control combined floodgate circuit 42
Conducting and it is electric, master control energy storage motor drives master control energy storage axle 33 to do energy storage and rotates work(, and master control energy storage axle 33 simultaneously rotates compression
Releasing to trigger after energy-stored spring to zero passage drives master control moving contact transmission shaft 39 to be rotated by axle center of the axle center of master control energy storage axle 33,
The rotation of master control moving contact transmission shaft 39, drives master control moving contact 311 to be moved to master control static contact seat 312, until contact is attracted, it is complete
Into feed motion, and when master control moving contact transmission shaft 39 rotates, the energy that master control energy storage axle 33 is discharged also while gives master control
Master control separating brake energy springs needed for 311 disengaging movement of moving contact have done compressed energy-storage work(, also and in master control moving contact 311 and master
Control static contact seat 312 close when just stop making by locker falling buckle, stop master control moving contact transmission shaft 39 be in be snapped device
The state of the master control separating brake energy springs energy storage of lock；When master control energy storage axle 33 turns to and crosses zero position soon, master control energy storage axle
The 33 master control push plates 34 driven together touch the action of master control limit relay (SQ) 32, promote its corresponding normally-closed contact to disconnect,
Normally opened contact turns on, until master control energy storage axle 33, which is rotated further after making energy-stored spring zero passage, drives 39 turns of master control moving contact transmission shaft
Move after promoting master control moving contact 311 to be closed with master control static contact seat 312, the normally-closed contact of master control limit relay (SQ) 32 continues to locate
In off-state, normally opened contact keeps conducting state；Also treat the rotation of master control moving contact transmission shaft 39 so that master control move it is tactile
After first 311 close with master control static contact seat 312, the rotation of master control moving contact transmission shaft 39 drives master control connecting rod 35 to be rotated simultaneously by fulcrum
The rotation of master control turntable 36 is driven, the rotation of master control turntable 36 causes the contact of master control auxiliary relay (LW1) 37 to act, its is right
The normally-closed contact answered disconnects, normally opened contact conducting.
3) when the state that the second incoming line switch cabinet 2 and control cabinet 3 have been closed a floodgate, by 27 He of the second auxiliary relay (2F)
It is auxiliary by the contact action and master control of the second auxiliary relay (2F) 27 after the contact action of master control auxiliary relay (LW1) 37
Help the contact of relay (LW1) 37 to act series connection and turn on the second insurance circuit 72 (referring to attached drawing 11), then by the second switching shape
State signal circuit 72 has closed a floodgate the master control moving contact of the second isolation fracture 2031 of the second incoming line switch cabinet 2 and control cabinet 3
Information is transferred to controller (ZBC) 3-0, has closed a floodgate when controller (ZBC) 3-0 receives the second incoming line switch cabinet of back-up power source
After successful information, the successful presence information of display automatic switchover, after delay, writ state is connect to switch into next time, to be cut
When changing condition maturity, the action of triggering is detected again.Conversely, using the second incoming line switch cabinet 2 as high-voltage suppling power, first into
Wiretap cabinet 1 is also the same as the operating principle of the automatic switchover of spare high-voltage suppling power.
3rd, the electrical action mechanism on mutual blocking function between automatic switching function
1) the first closing contact 54-1 or second is triggered at the same time by the program requirement of design in controller (ZBC) 3-0 to close a floodgate
The first incoming line switch cabinet 1 or the second incoming line switch cabinet 2 and master control are opened after contact 64-1 and master control closing contact 42-1 actions
Cabinet 3 is closed at the same time when performing the automatic closed routine of combined floodgate, due to the on the first incoming line switch cabinet 1 or the second incoming line switch cabinet 2
One main switch 11 or the second main switch 21 have been completed first-hand when automatic switching control equipment enters automatic switching function state
Behaviour and electrically operated institution 18 or the automatic energy pre-storage of second-hand behaviour and electrically operated institution 28 work, although the combined floodgate of vacuum circuit breaker 31 is complete
Also shorter into the time, less than or equal to 5s, but the first main switch 11 or the second main switch 21 be in the case where autotomying kinetic energy state, by automatic
The action of energy pre-storage function, the deadline that it closes a floodgate is shorter, the first main switch when being approximately less than equal to 2s, therefore automatically switching
11 or second main switch 21 close a floodgate prior to vacuum circuit breaker 31 so that the task of on-load folding function by vacuum circuit breaker 31
Undertake, that is to say, that the first main switch 11 or the second main switch 21 are to do feed motion under no-load condition, it isolates disconnected
The moving contact and static contact seat of mouth will not be by arc erosions.
2) the first energy storage axle 13 or the second energy storage are completed after automatic brake separating in the first main switch 11 or the second main switch 21
After the involution of axis 23 is moved, the first time-delay relay (1KT1) 52-1 or the second time-delay relay (2KT1) 62-1 actions are treated, by the
One separating brake involution circuit 52 or the second separating brake involution circuit 62 (referring to attached drawing 9 and attached drawing 10) and the first master control opening circuit 411
Or second master control opening circuit 412 blocking function release, make their circuit recover to without electricity reset condition, also due to
The disconnection of first master control opening circuit 411 or the second master control opening circuit 412 so that the first accumulator 53 or the second energy storage electricity
The conducting (referring to attached drawing 9 and attached drawing 10) on road 63, the operating principle after the conducting of the first accumulator 53 are opened with the second foregoing master
Close 21 and do that automatic energy pre-storage operating principle is the same, the energy storage electricity on the first primary switch control circuit 11-1 on the first main switch 11
Machine circuit obtains electric, and the first energy storage axle 13 does the rotational work of energy pre-storage, and the first energy storage axle 13 drives during energy storage rotational work is done
First push plate 14 rotates together, when will go to energy-stored spring compress fast zero passage when trigger the first limit relay (1SQ2 with
1SQ3) 12 actions disconnect its corresponding normally-closed contact, normally opened contact turns on and cut off the first main switch control (referring to Fig. 9)
The circuit of energy storage motor loop on circuit 11-1 processed, and due between 18 and first energy storage axle 13 of first-hand behaviour and electrically operated institution
Connection is the connection relation by worm and wheel, and the first energy storage axle 13 is stopped at current location and motionless, the first main switch 11
Completed in the energy pre-storage working procedure under automatic switchover state.
3) controller (ZBC) 3-0 is required according to the program characteristic of setting, as triggering the first separating brake contact 411-1 or second
During the 412-1 points dynamic formula action of separating brake contact so that the conducting of the first master control opening circuit 411 or the second master control opening circuit 412
When, the contact of the first intermediate relay (KA1) 411-2 or the second intermediate relay (KA2) 412-2 also become because its coil obtains electric
Change, while in the state of also the first master control opening circuit 411 of locking or the second master control opening circuit 412 keep conducting,
Simultaneously the first master control opening circuit 411 or the second master control opening circuit 412 it is electric in the state of, latch contact causes to obtain conductance
Logical power supply is not flowed on the circuit of the second master control opening circuit 412 or the first master control opening circuit 411 (referring to attached drawing 8)；One
Face master control dropout switching winding 3-2 (YT) it is electric after electromagnetism shaft core act so that master control moving contact 311 do separating brake action (referring to
Attached drawing 8)；Simultaneously ensure that only in master control moving contact 311 be by the first master control opening circuit 411 under automatic switchover state
Or second master control opening circuit 412 it is electric after in the state of separating brake, could cause the first opening circuit 51 or the second opening circuit
So that the first isolation fracture 1031 or the second isolation fracture 2031 do the separating brake to link and act (referring to 8 attached drawing 9 of attached drawing after 61 conductings
With attached drawing 10)；Simultaneously return the first separating brake involution circuit 52 or the second separating brake involution circuit 62 ensures that only permission is moved tactile in master control
First 311 completion separating brake action and the first isolation fracture 1031 or the second isolation fracture 2031 also complete can to obtain after separating brake it is electric after go
The involution for completing the first energy storage axle 13 or the second energy storage axle 23 is acted (referring to attached drawing 9 and attached drawing 10)；Simultaneously ensure in the first master
Control opening circuit 411 or second master control opening circuit 412 it is electric after, vacuum circuit breaker electricity behaviour circuit 31-2 and the first master control on the spot
411 or second master control opening circuit 412 of opening circuit and its master control dropout switching winding (YT) 3-2 are disconnected, to avoid cutting automatically
Changing device when automatic switchover is acted because of maloperation and caused by circuit to filling the generation of phenomenon, equally also avoid automatic switching control equipment
The phenomenon that electric current is filled with the opening circuit of automatic switching function in electricity behaviour separating brake on the spot occurs, (referring to attached drawing 8)；Simultaneously protect
Demonstrate,prove the first isolation fracture disconnected during switching action is autotomyed only under the conditions of possessing automatic switchover completely or automatically
1031 or second isolation fracture 2031 prolong after completing the first energy storage axle 13 or the second energy storage axle 23 and doing involution action and first
When relay (1KT1) 52-1 or the deferred action of the second time-delay relay (2KT1) 62-1 contacts power-off after, could cause first store up
53 or second accumulator 63 of energy circuit obtains the electric energy pre-storage action for completing the first main switch 11 or the second main switch 21, and first
11 or second main switch 21 of main switch ensures locking cut-out master control dropout switching winding in energy pre-storage action process is realized automatically
(YT) power supply (referring to attached drawing 8, attached drawing 9 and attached drawing 10).
4) the first separating brake involution circuit 52 and the second separating brake involution circuit 62 are also protected using the blocking function of intermediate relay
Demonstrate,prove in electricity behaviour feed motion on the spot, the first separating brake involution circuit 52 and the second separating brake involution will not be filled with by electricity behaviour power supply on the spot
On circuit 62, the accident phenomenon in electricity behaviour on the spot, produced by maloperation is avoided；First separating brake involution circuit 52 or second point
For lock involution circuit 62 in the involution action process of automatic switching function is realized, automatic blocking cuts off the first main switch 11 or the second
21 electric motor loop of main switch (referring to attached drawing 9 and attached drawing 10).
5) the first maintenance fracture 102 or second of the first incoming line switch cabinet 1 and the second incoming line switch cabinet 2 overhauls fracture 202
Be off or control cabinet 3 on protection fuse vacuum circuit breaker 31 is tripped because of overload and to short circuit current flow
Action changes the first change-over switch 1-1 or the second change-over switch 2-1 or master control change-over switch 3-1 to shelves on the spot or far throw shelves
When, controller (ZBC) 3-0 automatically exits from automatic switchover work(, and shows relevant locking information (referring to the automatic switchover of attached drawing 11
Function exclusive circuit 73).
6) the 2 upper incoming line cut cable of the first incoming line switch cabinet 1 and the second incoming line switch cabinet that controller (ZBC) 3-0 is collected
Information of voltage can have first charged device contact information circuit 74 He of two options of voltage and charged device contact referring to attached drawing 11
Second charged device contact information circuit 75 and the first PT information of voltage circuit 81 of attached drawing 12 and the 2nd PT information of voltage circuits
82)。
3rd, intelligent high-voltage dual power automatic switching control equipment automatic switchover action mechanism summary
The automatic switchover of intelligent high-voltage dual power automatic switching control equipment acts mechanism：First the master control of disconnection control cabinet 3 is moved tactile
On first 311 --- disconnecting the isolation fracture (1031 or 2031) on power supply incoming line cabinet --- closure stand-by power supply incoming line cabinets
Isolation fracture (2031 or 1031) --- the master control moving contact 311 of closure control cabinet 3 --- is completed by automatic switchover action.
4th, required time summary is completed in intelligent high-voltage dual power automatic switching control equipment automatic switchover action
The characteristic performance for the main electrical equipment put according to selected by intelligent high-voltage dual power automatic switching control equipment, is automatically switching
Actuation time is summarized as follows needed for process：
The intrinsic conjunction of the first main switch 11 and the second main switch 21 of first incoming line switch cabinet 1 and the second incoming line switch cabinet 2
The lock time is about 15s, and intrinsic opening time is about 0.1s, and the energy storage axle reset time after intrinsic separating brake is about 13s；Control cabinet 3
Vacuum circuit breaker such as intrinsic closing time when using vacuum switch be about 4.5s, intrinsic opening time is about 0.1s, inherently
Energy storage axle reset time after separating brake is about 4s, and it is about 0.1s such as to use intrinsic closing time during breaker, during intrinsic separating brake
Between about 0.1s, intrinsic reclosing delay time is 0.3s, and intrinsic energy storage axle actuation time is about 7s；According to the first main switch 11
With the second main switch 21 during feed motion, its 13 and second energy storage axle 23 of the first energy storage axle, which turns to, makes energy-stored spring pressure
The required time is about 14.5s during to zero point, therefore, when setting the action of the energy pre-storage of the first main switch 11 or the second main switch 21
Between when being that 13s, i.e. the first main switch 11 or the second main switch 21 implement energy pre-storage action under automatic switchover state, when the first storage
When energy 13 or second energy storage axle 23 of axis have rotated about 13s, the first limit relay (1SQ2 and 1SQ3) 12 or second is just triggered
Limit relay (2SQ2 and 2SQ3) 12 acts, therefore, the first main switch 11 or the second main switch 21 under automatic switchover state
Closing time be about 2s.So controller 3-0 set the first separating brake contact 411-1 deferred actions value of triggering for >=0s (such as
The conjunctions of the first closing contact 54-1 of triggering and second are set when 0.5s), as using vacuum circuit breaker of the vacuum switch as control cabinet 3
The deferred action value of lock contact 64-1 is >=4.5s (such as 4.5s), and the first closing contact 54-1 of triggering is set when such as using breaker
Be >=0.3s (such as 0.5s) with the deferred action value of the second closing contact 64-1, set the first time-delay relay (1KT1) 52-1 and
It is 14s that the deferred action of second time-delay relay (2KT1) 62-1, which sets the time,.Such as using vacuum switch as the true of control cabinet 3
The deadline that automatic switchover acts during empty breaker is 0.5s+0.1s+O.1s+4.5s+4.5s=9.7s, most I meet to
0s+0.1s+0.1s+4.5s+4.5s=9.2s；Such as using automatic switchover action during vacuum circuit breaker of the open circuit as control cabinet 3
Deadline be 0.5s+0.1s+0.1s+0.5s+2+0.1s=3.3s, most I meets to 0s+0.1s+0.1s+0.3s+2+
0.1s=2.6s.
The above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that for the art
Those of ordinary skill for, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (7)
1. a kind of intelligent high-voltage dual power automatic switching control equipment, including be connected with the first high pressure alternating current the first incoming line switch cabinet,
The second incoming line switch cabinet of the second high pressure alternating current and the control cabinet of connection electrical equipment are connected with, when the first incoming line switch cabinet leads to the
During one high pressure alternating current, the second incoming line switch cabinet is then electrically disconnected with the second high pressure city, and first incoming line switch cabinet includes the first master
Switch, the first main switch include the first moving contact, the first static contact seat and the first energy storage axle for driving the first moving contact divide-shut brake,
Second incoming line switch cabinet includes the second main switch, and the second main switch includes the second moving contact, the second static contact seat and drive
Second energy storage axle of the second moving contact divide-shut brake, the control cabinet include vacuum circuit breaker, and vacuum circuit breaker is touched including vacuum moving
Head, static contact seat and the master control energy storage axle for driving vacuum moving Contact Breaking/Making Operations lock, it is characterised in that further include control first master
The control circuit of switch, the second main switch and vacuum circuit breaker divide-shut brake, the control circuit include：
Master control opening circuit, including the first master control opening circuit, lose when the controller in control cabinet receives the first high pressure alternating current
When pressure or under-voltage or undercurrent and the second high pressure alternating current normally have the signal of electricity, the first separating brake contact point dynamic formula is triggered by controller and is led
Lead to and thereby turn on the contact action of the first separating brake relay of the first master control opening circuit and locking so that the first master control separating brake
Circuit keeps conducting state, so that master control dropout switching winding is powered, promotes master control moving contact transmission shaft to thread off dynamic
Make to cause vacuum moving contact separating brake, and then send the first sub-gate signal to the first opening circuit, transmission master control gate-dividing state letter
Number the first close switch insurance circuit；
First opening circuit, threads off for receiving the first sub-gate signal sent from the first master control opening circuit and triggering first
Switching winding acts, and promotes the first moving contact transmission shaft trip action to cause the first moving contact separating brake, and then send first point
Lock status signal gives the first close switch insurance circuit, and subsequent controller receives the master control gate-dividing state signal and the first gate-dividing state
After signal, and send the second switching signal and give master control combined floodgate circuit to the second combined floodgate circuit, transmission master control switching signal；Second closes
Lock circuit, for receiving second switching signal, triggers the second motor and drives the second energy storage axle to rotate and cause the afterwards
Two moving contacts and the second static contact seat close a floodgate；
Master control combined floodgate circuit, makes for receiving the master control switching signal and triggering main control motor driving master control energy storage axle and rotate
Vacuum moving contact is obtained to close a floodgate with vacuum static contact seat；
First accumulator, for controlling the first energy storage axle to continue to rotate to "on" position and controlling the first energy storage axle to stop at
I.e. by "on" position；
First involution circuit, for postponing the turn-off time of master control opening circuit, and sends after being triggered in time delay
The enabling signal of first accumulator.
2. intelligent high-voltage dual power automatic switching control equipment according to claim 1, it is characterised in that the master control separating brake electricity
Road includes being controlled by the first separating brake contact, the second separating brake contact, the first master control opening circuit and the second master control separating brake of controller
Circuit；The first separating brake contact and the second separating brake contact, when controller receives power supply decompression or under-voltage or undercurrent
When normally having the signal of electricity with stand-by power supply, controller sends the separating brake action command to automatically switch, and triggers the first separating brake and touch
Point or the second separating brake contact point dynamic formula conducting；The first master control opening circuit and the second master control opening circuit, as the first master
After control opening circuit or the second master control opening circuit receive the first separating brake contact or the second separating brake contact point dynamic formula turn-on power,
Trigger the first separating brake relay or the contact action of the second separating brake relay and locking itself circuit so that itself circuit continues to locate
In conducting state, and the action of master control dropout switching winding is triggered, promote master control moving contact transmission shaft trip action to cause vacuum moving
Contact separating brake.
3. intelligent high-voltage dual power automatic switching control equipment according to claim 2, it is characterised in that the first separating brake electricity
Road includes being used to receive the normally opened contact of the first separating brake relay of first sub-gate signal, and works as and receive described first
The normally opened contact of the first separating brake relay is closed so that the action of the first dropout switching winding, promotes first to move and touch after sub-gate signal
Head transmission shaft trip action causes the first moving contact separating brake, the action of the first limit relay is triggered during separating brake, this first
Limit relay sends the first gate-dividing state signal to the first close switch insurance circuit after the separating brake of the first moving contact transmission shaft.
4. intelligent high-voltage dual power automatic switching control equipment according to claim 3, it is characterised in that the second combined floodgate circuit bag
The second closing contact for receiving second switching signal is included, the second combined floodgate touches after second switching signal is received
Point closure, and promote the second energy storage axle to rotate and drive the second moving contact and the second static contact seat to close a floodgate, and triggered after combined floodgate
Second auxiliary relay, second auxiliary relay trigger the second auxiliary relay being connected in the second combined floodgate circuit after combined floodgate
The normally-closed contact of device disconnects, and stops being rotated further for the second energy storage axle.
5. intelligent high-voltage dual power automatic switching control equipment according to claim 4, it is characterised in that master control combined floodgate circuit bag
Include for receiving master control switching signal and being controlled by the 3rd closing contact of controller, when receiving the master control switching signal,
3rd closing contact, which closes and drives master control energy storage axle to rotate, causes vacuum movable contact to close a floodgate with vacuum stationary contact, and
Master control auxiliary relay is triggered in making process, master control auxiliary relay triggering after closing a floodgate is connected on master control combined floodgate electricity
The normally-closed contact of master control auxiliary relay in road disconnects, and stops being rotated further for master control energy storage axle.
6. intelligent high-voltage dual power automatic switching control equipment according to claim 5, it is characterised in that the first involution electricity
Road includes the normally-closed contact for the first separating brake relay normally open contact and the first auxiliary relay being mutually in series, first separating brake
Relay normally open contact is closed when the first master control opening circuit turns on and the first separating brake relay coil obtains electric, and described first is auxiliary
Normally-closed contact is helped to complete to close after separating brake action in the first moving contact transmission shaft, when the first separating brake relay normally open contact and the
The first time-delay relay obtains electric timing when one auxiliary normally-closed contact closes, and in the first involution circuit and master control opening circuit
It is in series with the first time-delay relay normally-closed contact.
7. intelligent high-voltage dual power automatic switching control equipment according to claim 6, it is characterised in that the first energy storage electricity
Road includes the first separating brake relay normally closed contact, when the first time-delay relay of the first involution circuit obtain electric and deferred action it
Afterwards, the first separating brake relay electric-loss being arranged in the first involution circuit, after the first separating brake relay electric-loss, the first energy storage
The first separating brake relay normally closed contact closure in circuit connects the first accumulator, drives the first energy storage axial direction combined floodgate direction to turn
Move and when the first energy storage axle touches the first limit relay when i.e. by "on" position, the action of first limit relay makes
The the first spacing normally-closed contact that must be connected in the first accumulator disconnects, and causes the first energy storage axle stops operating to stop at
I.e. by "on" position.
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| CN201711438470.6A CN107994680B (en) | 2017-12-26 | 2017-12-26 | Intelligent high-voltage dual-power automatic switching device |
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| CN201711438470.6A CN107994680B (en) | 2017-12-26 | 2017-12-26 | Intelligent high-voltage dual-power automatic switching device |
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| CN112349555A (en) * | 2020-10-26 | 2021-02-09 | 广西电网有限责任公司贵港供电局 | Linkage, linkage resetting switch and resetting switch linkage method |
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| CN113644742A (en) * | 2021-08-16 | 2021-11-12 | 国网河北省电力有限公司电力科学研究院 | Power supply switching method, terminal and system for power distribution network load |
| CN113644742B (en) * | 2021-08-16 | 2023-07-28 | 国网河北省电力有限公司电力科学研究院 | Power supply switching method, terminal and system for power distribution network load |
| CN116073250A (en) * | 2023-02-25 | 2023-05-05 | 广东广信科技有限公司 | Outdoor deep fusion intelligent 10KV totally-enclosed type platform region |
| CN116073250B (en) * | 2023-02-25 | 2024-03-19 | 广东广信科技有限公司 | Outdoor deep fusion intelligent 10KV totally-enclosed type platform region |
| CN117060180A (en) * | 2023-08-20 | 2023-11-14 | 惠州市盛微电子有限公司 | Control system of household energy storage system and application method thereof |
| CN117060180B (en) * | 2023-08-20 | 2024-01-30 | 惠州市盛微电子有限公司 | Control system of household energy storage system and application method thereof |
| CN117995600A (en) * | 2024-04-03 | 2024-05-07 | 浙江南洋输配电设备有限公司 | Switching method of double-incoming-line vacuum circuit breaker isolation equipment and vacuum isolation equipment |
| CN117995600B (en) * | 2024-04-03 | 2024-06-11 | 浙江南洋输配电设备有限公司 | Switching method of double-incoming-line vacuum circuit breaker isolation equipment and vacuum isolation equipment |
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Inventor after: Jin Liangji Inventor after: Peng Jiacong Inventor after: Wu Shenglian Inventor after: Zhang Suwei Inventor after: Shi Bin Inventor after: Yu Zongzhu Inventor after: Sun Jianjun Inventor after: Zhang Qimeng Inventor before: Jin Liangji Inventor before: Peng Jiacong Inventor before: Wu Shenglian Inventor before: Zhang Suwei Inventor before: Shi Bin Inventor before: Yu Zongzhu Inventor before: Sun Jianjun Inventor before: Zhang Qimeng |