CN205789461U - A kind of loaded capacity regulating voltage regulating switching device and system - Google Patents
A kind of loaded capacity regulating voltage regulating switching device and system Download PDFInfo
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- CN205789461U CN205789461U CN201620488786.0U CN201620488786U CN205789461U CN 205789461 U CN205789461 U CN 205789461U CN 201620488786 U CN201620488786 U CN 201620488786U CN 205789461 U CN205789461 U CN 205789461U
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Abstract
This utility model provides a kind of loaded capacity regulating voltage regulating switching device and system, and this device includes: low-pressure side vacuum switch group, transition vacuum switch group, high-pressure side vacuum switch group and homophony hold adjustable transformer；Low-pressure side vacuum switch group is connected with secondary coil and the load of transition transformator；Transition vacuum switch group is connected with primary coil and the power input of transition transformator；High-pressure side vacuum switch group is connected with high-pressure side and the power input of homophony appearance adjustable transformer；The oil circuit breaker group that low-pressure side vacuum switch group, transition vacuum switch group, high-pressure side vacuum switch group and homophony are held in adjustable transformer is connected with switch controller.This utility model, vacuum switch and oil circuit breaker with the use of, oil circuit breaker does not produce electric arc when switching, need not loaded capacity regulating voltage regulating switch is carried out periodic maintenance, oil strain, avoid periodic maintenance, oil strain causes the big operating cost of workload high, and loaded capacity regulating voltage regulating switch is caused damage, the problem that the sustainable use time is short.
Description
Technical field
This utility model relates to power product technical field, in particular to a kind of loaded capacity-regulated tune
Compress switch Apparatus and system.
Background technology
Loaded capacity regulating voltage regulating switch is that one can change transformer tapping when load change, it is ensured that permanent
Determining voltage, the capacity that can change again transformator reduces the loaded capacity regulating voltage regulating switch of transformer noload losses
Device, at present, loaded capacity regulating voltage regulating switch is mostly oil circuit breaker, and the insulating oil in oil circuit breaker is at electric arc
Effect under decompose and produce the gas such as free carbon, hydrogen, also can produce trace meter granule, wherein,
A part of free carbon and metallic particles can be attached to the insulating part surface of loaded capacity regulating voltage regulating switch, thus
Reducing the dielectric strength of insulating part, another part free carbon and metallic particles are then suspended in oil, thus
The breakdown strength of impact oil, causes dielectric level to reduce, along with loaded capacity regulating voltage regulating switchs switching times
Increase, free carbon and heavy metal particle are the most poly-more many, have a strong impact on loaded capacity regulating voltage regulating switch exhausted
Edge level, thus cause loaded capacity regulating voltage regulating to switch alternate puncturing, even explode.
In prior art, in order to solve the problems referred to above, when loaded capacity regulating voltage regulating switch often switches
After 5000-10000 time, or use 1-2, or the breakdown voltage in the oil of loaded capacity regulating voltage regulating switch
During less than 25kV, need to change the oil in loaded capacity regulating voltage regulating switch or the free carbon filtering in oil and gold
Metal particles, and the insulating part of loaded capacity regulating voltage regulating switch is carried out, i.e. to loaded capacity regulating voltage regulating
Switch carries out periodic maintenance, oil strain, and the big operating cost of such workload is high, and has easily caused load tune
Holding the damage of tap changer, the sustainable use time is short.
Utility model content
In view of this, the purpose of this utility model embodiment is to provide a kind of loaded capacity regulating voltage regulating switch
Apparatus and system, to solve in prior art, carries out periodic maintenance, filter to loaded capacity regulating voltage regulating switch
Oil, the big operating cost of workload is high, and easily causes the damage of loaded capacity regulating voltage regulating switch, sustainable
The problem that the use time is short.
First aspect, this utility model embodiment provides a kind of loaded capacity regulating voltage regulating switching device, bag
Include: low-pressure side vacuum switch group, transition vacuum switch group, high-pressure side vacuum switch group and homophony hold tune
Pressure transformer；
Described low-pressure side vacuum switch group is connected with secondary coil and the load of transition transformator；
Described transition vacuum switch group connects with primary coil and the power input of described transition transformator
Connect；
Described high-pressure side vacuum switch group holds the high-pressure side of adjustable transformer and described power supply with described homophony
Input connects；
Described low-pressure side vacuum switch group, described transition vacuum switch group, described high-pressure side vacuum switch
The oil circuit breaker group that group and described homophony are held in adjustable transformer is all connected with switch controller, receives described
The control signal of switch controller transmission, adjusts state according to described control signal；
Wherein, described control signal includes Regulation Control signal or capacity transfer control signal, described adjustment shape
The order of state is closed low side vacuum switch group, closes described transition vacuum and open after the first Preset Time
Pass group, now, described homophony holds adjustable transformer and described transition transformator supplies to described load simultaneously
Electricity, disconnects described high-pressure side vacuum switch group, now, described transition transformator after the second Preset Time
To described load supplying, described homophony holds the high-pressure side power-off of adjustable transformer, after the 3rd Preset Time
Switch described oil circuit breaker group and carry out pressure regulation or capacity transfer.
In conjunction with first aspect, this utility model embodiment provides the first possibility of above-mentioned first aspect
Implementation, wherein, described homophony hold adjustable transformer include pressure regulation oil circuit breaker group；
The on high-tension side tap that described pressure regulation oil circuit breaker group holds adjustable transformer with described homophony is connected；
Described pressure regulation oil circuit breaker group is connected with described switch controller, receives the transmission of described switch controller
Regulation Control signal；
After described pressure regulation oil circuit breaker group receives the Regulation Control signal of described switch controller transmission,
In described low-pressure side vacuum switch group, described transition vacuum switch group and described high-pressure side vacuum switch group
After the order adjustment state of described adjustment state, described pressure regulation oil circuit breaker group is according to described pressure regulation control
Signal processed switches over；
After described capacity transfer oil circuit breaker group switches, described low-pressure side vacuum switch group, described transition
Vacuum switch group and described high-pressure side vacuum switch group are according to contrary with the order of described adjustment state
Order adjusts state.
In conjunction with the first possible implementation of first aspect, this utility model embodiment provides
Stating the implementation that the second of first aspect is possible, wherein, described homophony holds adjustable transformer also
Including capacity transfer oil circuit breaker group；
Described capacity transfer oil circuit breaker group is connected with described switch controller, receives the transmission of described switch controller
Capacity transfer control signal；
After described capacity transfer oil circuit breaker group receives the Regulation Control signal of described switch controller transmission,
In described low-pressure side vacuum switch group, described transition vacuum switch group and described high-pressure side vacuum switch group
After the order adjustment state of described adjustment state, described capacity transfer oil circuit breaker group is according to described capacity transfer control
Signal processed switches over；
After described capacity transfer oil circuit breaker group switches, described low-pressure side vacuum switch group, described transition
Vacuum switch group and described high-pressure side vacuum switch group are according to contrary with the order of described adjustment state
Order adjusts state.
In conjunction with first aspect, this utility model embodiment provides the third possibility of above-mentioned first aspect
Implementation, wherein, described low-pressure side vacuum switch group, described transition vacuum switch group and described
High-pressure side vacuum switch group all uses permanent magnet mechanism, and described transition vacuum switch group and described high-pressure side
Vacuum switch group uses same magnet control.
In conjunction with the third possible implementation of first aspect, this utility model embodiment provides
State the 4th kind of possible implementation of first aspect, wherein, described low-pressure side vacuum switch group, institute
State transition vacuum switch group and described high-pressure side vacuum switch group is resetted by back-moving spring.
In conjunction with first aspect, this utility model embodiment provides the 5th kind of possibility of above-mentioned first aspect
Implementation, wherein, described low-pressure side vacuum switch group includes three vacuum switches；
Described three vacuum switches are respectively with three secondary coil one_to_one corresponding of described transition transformator even
Connect, and be all connected with described load.
In conjunction with first aspect, this utility model embodiment provides the 6th kind of possibility of above-mentioned first aspect
Implementation, wherein, described transition vacuum switch group includes two or three vacuum switches；
When described transition vacuum switch group includes two vacuum switches, said two vacuum switch and institute
Any two primary coil stated in three primary coils of transition transformator connects one to one, and all
It is connected with described power input；
When described transition vacuum switch group includes three vacuum switches, described three vacuum switches and institute
Three primary coils stating transition transformator connect one to one, and all with described power input even
Connect.
In conjunction with first aspect, this utility model embodiment provides the 7th kind of possibility of above-mentioned first aspect
Implementation, wherein, described high-pressure side vacuum switch group includes two or three vacuum switches；
When described high-pressure side vacuum switch group includes two vacuum switches, said two vacuum switch with
Described homophony holds any two primary coil one_to_one corresponding in three primary coils of adjustable transformer
Connect, and be all connected with described power input；
When described high-pressure side vacuum switch group includes three vacuum switches, described three vacuum switches with
Described homophony is held three primary coils of adjustable transformer and is connected one to one, and all defeated with described power supply
Enter end to connect.
In conjunction with first aspect, this utility model embodiment provides the 8th kind of possibility of above-mentioned first aspect
Implementation, wherein, the original state of described low-pressure side vacuum switch group is off-state, described
The original state of transition vacuum switch group is off-state, the initial shape of described high-pressure side vacuum switch group
State is closure state.
Second aspect, this utility model embodiment provides a kind of loaded capacity regulating voltage regulating system, including opening
Gateway controller, transition transformator and the loaded capacity regulating voltage regulating switching device described in above-mentioned first aspect；
Described loaded capacity regulating voltage regulating switching device connects with described transition transformator and described switch controller
Connect；
Described loaded capacity regulating voltage regulating switching device receives the control signal of described switch controller transmission, root
Capacity transfer or pressure regulation is carried out according to described control signal.
The loaded capacity regulating voltage regulating switching device of this utility model embodiment offer and system, this switching device
Hold including low-pressure side vacuum switch group, transition vacuum switch group, high-pressure side vacuum switch group and homophony and adjust
Pressure transformer, homophony appearance adjustable transformer is provided with oil circuit breaker group, and vacuum switch assembles with oil circuit breaker
Closing and use, oil circuit breaker does not produce electric arc when switching, it is not necessary to it is fixed to carry out loaded capacity regulating voltage regulating switch
Phase safeguards, oil strain, it is to avoid periodic maintenance, oil strain cause workload big operating cost high, and to having
Load capacity and pressure regulating switch causes damage, the problem that the sustainable use time is short.
For making above-mentioned purpose of the present utility model, feature and advantage to become apparent, cited below particularly relatively
Good embodiment, and coordinate appended accompanying drawing, it is described in detail below.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of this utility model embodiment, below will be in embodiment
The required accompanying drawing used is briefly described, it will be appreciated that it is new that the following drawings illustrate only this practicality
Some embodiment of type, is therefore not construed as the restriction to scope, for ordinary skill
From the point of view of personnel, on the premise of not paying creative work, it is also possible to obtain other according to these accompanying drawings
Relevant accompanying drawing.
Fig. 1 shows a kind of loaded capacity regulating voltage regulating switching device that this utility model embodiment 1 provides
Structural representation；
Fig. 2 shows a kind of loaded capacity regulating voltage regulating switching device that this utility model embodiment 1 provides
Circuit diagram；
Fig. 3 shows the structure of a kind of loaded capacity regulating voltage regulating system that this utility model embodiment 2 provides
Schematic diagram.
Fig. 1 description of reference numerals is as follows:
140, homophony holds adjustable transformer；201, transition transformator.
Fig. 2 description of reference numerals is as follows:
201, transition transformator；140, homophony holds adjustable transformer；K1、K2、K3、K4、K5、
K6, K7, vacuum switch；4KX, 4KY, 4KZ, 5KZ, 5KY, 5KZ, pressure regulation oil circuit breaker；6KX、
6KY, 6KZ, 1KX, 1KY, 1KZ, 2KX, 2KY, 2KZ, 3KX, 3KY, 3KZ, capacity transfer oil circuit breaker；
I, II, III, homophony holds three coils of adjustable transformer low-pressure side；A, B, C, power input,
A, b, c, n, load.
Detailed description of the invention
For making the purpose of this utility model embodiment, technical scheme and advantage clearer, below will knot
Close accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out clear,
It is fully described by, it is clear that described embodiment is only a part of embodiment of this utility model, and
It is not all, of embodiment.Generally herein described in accompanying drawing and this utility model embodiment of illustrating
Assembly can be arranged with various different configurations and design.Therefore, below to providing in the accompanying drawings
The detailed description of embodiment of the present utility model is not intended to limit claimed model of the present utility model
Enclose, but be merely representative of selected embodiment of the present utility model.Based on embodiment of the present utility model,
The every other enforcement that those skilled in the art are obtained on the premise of not making creative work
Example, broadly falls into the scope of this utility model protection.
In view of in prior art, when often switching 5000-10000 time of loaded capacity regulating voltage regulating switch, or have
After load capacity and pressure regulating switch uses 1-2, or the breakdown potential in the oil of loaded capacity regulating voltage regulating switch is forced down
When 25kV, in order to the dielectric level preventing loaded capacity regulating voltage regulating from switching reduces, need to have changed load and adjust
Hold the oil in tap changer or filter the free carbon in oil and metallic particles, and to loaded capacity regulating voltage regulating
The insulating part of switch is carried out, and i.e. loaded capacity regulating voltage regulating switch is carried out periodic maintenance, oil strain, this
The big operating cost of sample workload is high, and easily causes the damage of loaded capacity regulating voltage regulating switch, sustainable makes
Short with the time.Based on this, this utility model embodiment provides a kind of loaded capacity regulating voltage regulating switching device
And system, it is described below by embodiment.
Embodiment 1
This utility model embodiment provides a kind of loaded capacity regulating voltage regulating switching device.This device that opens the light includes
Vacuum switch and oil circuit breaker, vacuum switch and oil circuit breaker are applied in combination, vacuum switch arc extinguishing, oil circuit breaker
Realize switching, electric arc will not be produced, it is not necessary to loaded capacity regulating voltage regulating switch is carried out periodic maintenance, filter
Oil.
As it is shown in figure 1, the loaded capacity regulating voltage regulating switching device that this utility model embodiment provides, including:
Low-pressure side vacuum switch group 110, transition vacuum switch group 120, high-pressure side vacuum switch group 130
And homophony appearance adjustable transformer 140；
Low-pressure side vacuum switch group 110 is connected with secondary coil and the load of transition transformator；
Transition vacuum switch group 120 is connected with primary coil and the power input of transition transformator；
High-pressure side vacuum switch group 130 and homophony hold high-pressure side and the power supply input of adjustable transformer 140
End connects；
Low-pressure side vacuum switch group 110, transition vacuum switch group 120, high-pressure side vacuum switch group 130
And the oil circuit breaker group that homophony is held in adjustable transformer 140 is all connected with switch controller, receive switch control
The control signal of device processed transmission, adjusts state according to this control signal；
Wherein, above-mentioned control signal includes Regulation Control signal or capacity transfer control signal, described adjustment shape
The order of state is closed low side vacuum switch group 110, closes transition vacuum switch after the first Preset Time
Group 120, now, the powering load while that homophony holding adjustable transformer 140 and transition transformator, second
High-pressure side vacuum switch group 130, now, transition transformator powering load is disconnected after Preset Time, main
The high-pressure side power-off of capacity and pressure regulating transformator 140, the 3rd Preset Time rear cutout switches set of changing oil is adjusted
Pressure or capacity transfer.
Above-mentioned Regulation Control signal can be voltage up control signal can also be voltage down control signals, above-mentioned
Capacity transfer control signal can be the control signal of Large Copacity switching low capacity can also be that low capacity switching is big
The control signal of capacity.
Above-mentioned control signal can be low and high level signal, triggers above-mentioned low pressure by low and high level signal
Side vacuum switch group 110, transition switches set 120, high-pressure side vacuum switch group 130 and oil circuit breaker group
Disconnect and Guan Bi.
Above-mentioned first Preset Time, the second Preset Time and the 3rd Preset Time can be the identical time
Value, it is also possible to be different time values, it is preferred that above-mentioned first Preset Time can be in 5-10ms
Any number, the second Preset Time can be any number in 1-2ms, and the 3rd Preset Time can
To be any number in 10-20ms, certainly, above-mentioned first Preset Time, the second Preset Time and
The concrete numerical value of the 3rd Preset Time can be configured according to actual application scenarios, and this utility model is real
Execute example and do not limit the concrete number of above-mentioned first Preset Time, the second Preset Time and the 3rd Preset Time
Value.
The original state of above-mentioned low-pressure side vacuum switch group 110 is off-state, transition vacuum switch group
The original state of 120 is off-state, and the original state of high-pressure side vacuum switch group 130 is closure state.
When switch controller transmission Regulation Control signal or capacity transfer control signal are to low-pressure side vacuum switch group
110, transition vacuum switch group 120, high-pressure side vacuum switch group 130 and homophony hold adjustable transformer 140
After interior oil circuit breaker group, first low-pressure side vacuum switch group 110 closes, transition after the first Preset Time
Vacuum switch group closes, and at this moment, high-pressure side vacuum switch group 130 is still within closure state, therefore,
Transition transformator and homophony are held the high-pressure side of adjustable transformer 140 and are all connected with load, i.e. transition transformation
Device and homophony hold adjustable transformer 140 powering load simultaneously, after the second Preset Time, disconnect high pressure
Side vacuum switch group 130 is at this moment, by transition transformator powering load, after the 3rd Preset Time, high
Pressure side vacuum switch group 130 is fully disconnected, and at this moment, homophony is held the high-pressure side of adjustable transformer 140 and broken
Electricity, at this moment, switching homophony holds the oil circuit breaker group in adjustable transformer 140, and the most main capacity and pressure regulating becomes
In depressor 140 loop, the switching electric current of each oil circuit breaker is no-load current, and therefore switching electric current is minimum,
Will not produce electric arc during switching, about after 20ms, pressure regulation action completes, first closed high
Side vacuum switch group 130, is now held adjustable transformer 140 and transition transformator simultaneously to load by homophony
Power supply, disconnects transition vacuum switch group 120, is now held adjustable transformer by homophony after the second Preset Time
140 powering loads, disconnect low-pressure side vacuum switch group 110, now, transition after the first Preset Time
Transformator excises completely from whole circuit, completes whole pressure regulation or capacity transfer process.
The loaded capacity regulating voltage regulating switching device that this utility model embodiment provides, opens including low-pressure side vacuum
Pass group 110, transition vacuum switch group 120, high-pressure side vacuum switch group 130 and main capacity and pressure regulating transformation
Device 140, each vacuum switch and homophony hold oil circuit breaker in adjustable transformer 140 with the use of so that oil
Switch switching time will not produce electric arc, therefore need not loaded capacity regulating voltage regulating switch carry out periodic maintenance,
Oil strain, it is to avoid periodic maintenance, oil strain cause workload big operating cost high, and to loaded capacity-regulated tune
Compress switch and cause damage, the problem that the sustainable use time is short.
Wherein, as an embodiment, above-mentioned homophony is held adjustable transformer 140 and is included pressure regulation oil circuit breaker
Group；
Pressure regulation oil circuit breaker group holds the height of adjustable transformer 140 with high-pressure side vacuum switch group 130 and homophony
The tap of pressure side connects；
Pressure regulation oil circuit breaker group is connected with switch controller, receives the Regulation Control letter of switch controller transmission
Number；
After pressure regulation oil circuit breaker group receives the Regulation Control signal of switch controller transmission, in low-pressure side
Vacuum switch group 110, transition vacuum switch group 120 and high-pressure side vacuum switch group 130 are according to adjusting shape
After the order adjustment state of state, pressure regulation oil circuit breaker group switches over according to Regulation Control signal；
After pressure regulation oil circuit breaker group switches, low-pressure side vacuum switch group 110, transition vacuum switch group
120 and high-pressure side vacuum switch group 130 adjust shape according to the order contrary with the order of above-mentioned adjustment state
State.
Above-mentioned pressure regulation oil circuit breaker group is different by holding in homophony on the high-pressure side coil of adjustable transformer 140
Tap between switch over, change homophony hold adjustable transformer 140 on high-tension side coil turn,
Thus realize that homophony is held adjustable transformer and carry out pressure regulation, above-mentioned Regulation Control signal can be that liter is voltage-controlled
Signal processed, it is also possible to be voltage down control signals.
Following will as a example by above-mentioned Regulation Control signal is as voltage up control signal, be discussed in detail use this practicality
Homophony is held adjustable transformer 140 and is adjusted by the loaded capacity regulating voltage regulating switching device that new embodiment provides
The process of pressure: when switch controller transmission voltage up control signal is to low-pressure side vacuum switch group 110, transition
After vacuum switch group 120, high-pressure side vacuum switch group 130 and pressure regulation oil circuit breaker group, low-pressure side vacuum is opened
First pass group 110 closes, and after the first Preset Time, transition vacuum switch group 120 closes, at this moment high pressure
Side vacuum switch group 130 is in closure state, and therefore homophony holds adjustable transformer 140 and transition transformation
Device is all connected with load, i.e. homophony holds adjustable transformer 140 and transition transformator powering load simultaneously,
After second Preset Time, disconnecting high-pressure side vacuum switch group 130, at this moment, homophony holds adjustable transformer
Connection between 140 and load disconnects, the most only transition transformator powering load, the 3rd Preset Time
After, the disconnection action of high-pressure side vacuum switch group 130 is fully completed, and at this moment homophony holds adjustable transformer
High-pressure side power-off, switch above-mentioned pressure regulation oil circuit breaker group and boost, due to the most main capacity and pressure regulating become
Switching electric current in depressor loop is no-load current, and no-load current is the least, therefore will not when switching
Producing electric arc, about after 20ms, pressure regulation action completes, first closed high side vacuum switch
Group 130, the powering load while of now being held adjustable transformer 140 and transition transformator by homophony, second
Disconnect transition vacuum switch group after Preset Time, now held adjustable transformer 140 by homophony and supply to load
Electricity, disconnects low-pressure side vacuum switch group after the first Preset Time, now, transition transformator is completely from whole
Individual circuit excises, completes homophony and hold the boost process of adjustable transformer 140.
When above-mentioned Regulation Control signal is voltage down control signals, high-pressure side vacuum switch group 110, transition
Order and liter during the switching of vacuum switch group 120, high-pressure side vacuum switch group 130 and pressure regulation oil circuit breaker group
During pressure control signal identical, simply, when above-mentioned Regulation Control signal is voltage down control signals,
The switching direction of pressure regulation oil circuit breaker group is contrary when being voltage up control signal with Regulation Control signal.
Wherein, as an embodiment, above-mentioned homophony is held adjustable transformer 140 and is also included capacity transfer oil circuit breaker
Group；
Capacity transfer oil circuit breaker group is connected with switch controller, and the capacity transfer receiving switch controller transmission controls letter
Number；
After capacity transfer oil circuit breaker group receives the capacity transfer control signal of switch controller transmission, true in low-pressure side
Empty switches set, transition vacuum switch group and high-pressure side vacuum switch group are according to the order of above-mentioned adjustment state
After adjustment state, capacity transfer oil circuit breaker group switches over according to capacity transfer control signal；
After capacity transfer oil circuit breaker group switches, low-pressure side vacuum switch group 110, transition vacuum switch group
120 and high-pressure side vacuum switch group 130 adjust state according to the contrary order of order with the state of adjustment.
Above-mentioned capacity transfer control signal can be the control signal that Large Copacity is switched to low capacity, it is also possible to be little
Capacity is switched to jumbo control signal.
A part of capacity transfer oil circuit breaker in above-mentioned capacity transfer oil circuit breaker group is arranged on homophony and holds adjustable transformer 140
High-pressure side, a part of capacity transfer oil circuit breaker be arranged on homophony hold adjustable transformer 140 low-pressure side.
If above-mentioned capacity transfer control signal is the control signal that Large Copacity is switched to low capacity, main capacity and pressure regulating
The on high-tension side capacity transfer oil circuit breaker of transformator 140 switches over and makes homophony hold adjustable transformer 140 high pressure
The coil of side is switched to star by corner connection and connects position, and homophony holds the capacity transfer of the low-pressure side of adjustable transformer 140
Oil circuit breaker switches over and makes the coil of low-pressure side be switched to series connection by parallel connection, completes capacity transfer.
Being switched to jumbo control signal if above-mentioned capacity transfer control signal is low capacity, main capacity and pressure regulating becomes
The on high-tension side capacity transfer oil circuit breaker of depressor 140 switches over and makes homophony hold adjustable transformer 140 high-pressure side
Coil connect by star and be switched to corner connection position, homophony holds the capacity transfer oil of the low-pressure side of adjustable transformer 140
Switch switches over and makes the coil of low-pressure side be switched to parallel connection by series connection, completes capacity transfer, its
Remaining low-pressure side vacuum switch group 110, transition vacuum switch group 120 and high-pressure side vacuum switch group 130
Transfer sequence is consistent with pressure regulation process.
Above-mentioned low-pressure side vacuum switch group 110, transition vacuum switch group 120 and high-pressure side vacuum switch group
130 all use permanent magnet mechanism, and transition vacuum switch group 120 and high-pressure side vacuum switch group 130 use
Same magnet control.
Low-pressure side vacuum switch group 110, transition vacuum switch group 120 and high-pressure side vacuum switch group 130
Resetted by back-moving spring.
In this utility model embodiment, transition vacuum switch group 120 and high-pressure side vacuum switch group 130
By same magnet control, transition vacuum switch group 120 and high-pressure side vacuum switch group 130 dynamic
During work, asynchronous deciliter of each vacuum switch fracture realizes by construction of switch, can be by switch
Structure realizes asynchronous deciliter of transition vacuum switch group 120 and high-pressure side vacuum switch group 130.
Wherein, low-pressure side vacuum switch group 110 includes three vacuum switches；
Three vacuum switches three secondary coils with transition transformator respectively connect one to one, and all with
Load connects.
A vacuum switch it is respectively provided with, very on each coil on three secondary coils of transition transformator
One end of empty switch is connected with the secondary coil of transition transformator, and the other end of vacuum switch is with load even
Connect.
Above-mentioned transition vacuum switch group 120 includes two or three vacuum switches；
When transition vacuum switch group 120 includes two vacuum switches, two vacuum switches and transition transformation
Any two primary coil in three primary coils of device connects one to one, and all inputs with power supply
End connects；
When transition vacuum switch group includes three vacuum switches, three vacuum switches and transition transformator
Three primary coils connect one to one, and are all connected with power input.
The primary coil of transition transformator arranges two or three vacuum switches, if two true
Empty switch, then be arranged on any two primary coil in three primary coils of transition transformator i.e.
Can, two vacuum switches just can control the connection between transition transformator and power input and disconnection,
Three vacuum switches can certainly be set, each primary in three primary coils of transition transformator
A vacuum switch it is respectively provided with on coil.
Above-mentioned high-pressure side vacuum switch group 130 includes two or three vacuum switches；
When high-pressure side vacuum switch group 130 includes two vacuum switches, two vacuum switches hold with homophony
Any two primary coil in three primary coils of adjustable transformer 140 connects one to one, and
All it is connected with power input；
When high-pressure side vacuum switch group 130 includes three vacuum switches, three vacuum switches hold with homophony
Three primary coils of adjustable transformer 140 connect one to one, and are all connected with power input.
As long as being provided with vacuum switch on any two primary coil that homophony holds adjustable transformer 140,
Just can control homophony and hold the connection between adjustable transformer 140 and power input or disconnection, certainly,
It is respectively provided with one on each primary coil in homophony holds three primary coils of adjustable transformer 140
Vacuum switch is also possible.
Below in conjunction with the circuit diagram of loaded capacity regulating voltage regulating switching device, this utility model is discussed in detail and implements
The work process of loaded capacity regulating voltage regulating switching device that example provides and each vacuum switch and the position of oil circuit breaker
Put and annexation, the circuit diagram of the loaded capacity regulating voltage regulating switching device that this utility model embodiment provides
As shown in Figure 2.
Fig. 2 simply depicts transition vacuum switch group 120 and includes two vacuum switches, high-pressure side vacuum
Switches set 130 includes the situation of two vacuum switches, do not limit transition vacuum switch group 130 and
The specific number of the vacuum switch in high-pressure side vacuum switch group 130.
In fig. 2, low-pressure side vacuum switch group 110 includes vacuum switch K5, vacuum switch K6 and true
Empty switch K7, transition vacuum switch group 120 includes vacuum switch K1 and vacuum switch K2, high-pressure side
Vacuum switch group 130 includes vacuum switch K3 and vacuum switch K4.
Assume that original state vacuum switch K1 and vacuum switch K2 is off, vacuum switch K3
It is in closure state, at vacuum switch K5, vacuum switch K6 and vacuum switch K7 with vacuum switch K4
In off-state, pressure regulation oil circuit breaker 4KX, 4KX and 4KZ are in S3 position, and wherein S3 is that homophony is held
Tap on adjustable transformer primary coil.
The loaded capacity regulating voltage regulating switching device provided when this utility model embodiment receives switch controller
After the voltage up control signal of transmission, first vacuum switch K5, K6 and K7 close, the first Preset Time
Final vacuum switch K1 and K2 Guan Bi, at this moment, homophony holds adjustable transformer 140 and transition transformator 201
All being connected with load, i.e. homophony holds adjustable transformer 140 and transition transformator 201 supplies to load simultaneously
Electricity, the second Preset Time final vacuum switch K3 and K4 disconnects, and the most only transition transformator 201 is given
Load supplying, after the 3rd Preset Time, the action of vacuum switch K3 and K4 is fully completed, and at this moment leads
The high-pressure side power-off of capacity and pressure regulating transformator 140, by pressure regulation oil circuit breaker 4KX, 4KY and 4KZ by S3
Position is switched to S2 position, and S2 is the tap that homophony holds on adjustable transformer primary coil, due to master
Switching electric current in capacity and pressure regulating transformator 140 loop is exactly no-load current, and no-load current is minimum,
Therefore electric arc will not be produced during switching.After about 20ms completes pressure regulation action, vacuum switch K3 and K4
Guan Bi, at this moment homophony holds adjustable transformer 140 and transition transformator 201 powering load simultaneously, the
Two Preset Time final vacuum switch K1 and vacuum switch K2 disconnect, and are at this moment held adjustable transformer by homophony
140 powering loads, disconnect vacuum switch K5, K6 and K7 after the first Preset Time, at this moment transition becomes
Depressor 201 excises completely from whole circuit, and the liter completing homophony appearance adjustable transformer 140 presses through
Journey.
If above-mentioned loaded capacity regulating voltage regulating switching device receives continuation voltage up control signal, vacuum switch
First K5, K6 and K7 close, the first Preset Time final vacuum switch K1 and K2 Guan Bi, at this moment, main
Capacity and pressure regulating transformator 140 and transition transformator 201 are all connected with load, the most main capacity and pressure regulating transformation
Device 140 and transition transformator 201 powering load simultaneously, the second Preset Time final vacuum switch K3 and
K4 disconnects, and the most only transition transformator 201 powering load, after the 3rd Preset Time, vacuum is opened
The action closing K3 and K4 is fully completed, and at this moment homophony holds the high-pressure side power-off of adjustable transformer 140,
From S2 position, pressure regulation oil circuit breaker 5KX, 5KY and 5KZ are switched to S1 position, and S1 is main capacity and pressure regulating
Tap in transformer, holds the switching electricity in adjustable transformer 140 loop due to homophony
Stream is exactly no-load current, and no-load current is minimum, therefore will not produce electric arc during switching.About 20ms
After completing pressure regulation action, vacuum switch K3 and K4 closes, and at this moment homophony holds adjustable transformer 140 He
Transition transformator 201 powering load simultaneously, the second Preset Time final vacuum switch K1 and vacuum switch
K2 disconnects, and is at this moment held adjustable transformer 140 powering load by homophony, disconnects after the first Preset Time
Vacuum switch K5, K6 and K7, at this moment transition transformator 201 excises completely from whole circuit, completes
Continue boost process.
If what above-mentioned loaded capacity regulating voltage regulating switching device received switch controller transmission is blood pressure lowering control
Signal, above-mentioned vacuum switch and the transfer sequence of pressure regulation oil circuit breaker are identical with during boosting, simply pressure regulation oil
Switch 5KX, 5KY and 5KZ are switched to S2 position from S1 position.
If above-mentioned loaded capacity regulating voltage regulating switching device receives continuation voltage down control signals, above-mentioned vacuum is opened
Close identical with during boosting with the transfer sequence of pressure regulation oil circuit breaker, simply pressure regulation oil circuit breaker 4KX, 4KY and 4KZ
It is switched to S3 position by S2 position.
If what above-mentioned loaded capacity regulating voltage regulating switching device received is capacity transfer control signal, and this capacity transfer control
Signal processed is the control signal that Large Copacity is switched to low capacity, and first vacuum switch K5, K6 and K7 close
Closing, the first Preset Time final vacuum switch K1 and K2 Guan Bi, at this moment, homophony holds adjustable transformer 140
All be connected with load with transition transformator 201, i.e. homophony holds adjustable transformer 140 and transition transformator
201 powering load, the second Preset Time final vacuum switch K3 and K4 disconnections simultaneously, at this moment only had
Crossing transformator 201 powering load, after the 3rd Preset Time, the action of vacuum switch K3 and K4 is complete
Entirely terminating, at this moment homophony holds the high-pressure side power-off of adjustable transformer 140, and homophony holds adjustable transformer 140
High-pressure side capacity transfer oil circuit breaker 6KX, 6KY and 6KZ switching make homophony hold the high pressure of adjustable transformer 140
Lateral coil is switched to star by corner connection and connects position, and homophony is held the low-pressure side capacity transfer oil of adjustable transformer 140 and opened
Closing 1KX, 1KY, 1KZ to disconnect, 2KX, 2KY, 2KZ close, and 3KX, 3KY, 3KZ disconnect, and make main
The II of the low-voltage side coil of capacity and pressure regulating transformator 140, III section is switched to series connection by parallel connection,
Thus complete capacity transfer action, now, the switching electric current that homophony is held in adjustable transformer 140 loop is main
The no-load current of the low-pressure side of capacity and pressure regulating transformator 140, this no-load current is minimum, when therefore switching
Electric arc will not be produced.After about 20ms completes capacity transfer action, vacuum switch K3 and K4 closes, at this moment
Homophony holds adjustable transformer 140 and transition transformator 201 powering load, the second Preset Time simultaneously
Final vacuum switch K1 and vacuum switch K2 disconnects, and is at this moment held adjustable transformer 140 to load by homophony
Power supply, disconnects vacuum switch K5, K6 and K7 after the first Preset Time, at this moment transition transformator 201 is complete
Full excision from whole circuit, completes homophony appearance adjustable transformer 140 and is switched to little Rong by Large Copacity
The process of amount.
If the capacity transfer control signal that above-mentioned loaded capacity regulating voltage regulating switching device receives is for be cut by low capacity
Change to jumbo control signal, vacuum switch and the transfer sequence of capacity transfer oil circuit breaker and cut by Large Copacity
Change to during low capacity identical, simply homophony hold adjustable transformer 140 high-pressure side capacity transfer oil circuit breaker 6KX,
The high-pressure side coil that 6KY and 6KZ switching makes homophony hold adjustable transformer 140 is connect by star and is switched to corner connection position
Putting, homophony is held low-pressure side capacity transfer oil circuit breaker 1KX, 1KY, 1KZ of adjustable transformer 140 and is closed, 2KX,
2KY, 2KZ disconnect, and 3KX, 3KY, 3KZ close, and make homophony hold the low-pressure side of adjustable transformer 140
The II of coil, III section is switched to parallel connection by series connection.
Wherein, above-mentioned first Preset Time, the second Preset Time and the 3rd Preset Time can be identical
Time value, it is also possible to be different time values, it is preferred that above-mentioned first Preset Time can be 5-10ms
In any number, the second Preset Time can be any number in 1-2ms, the 3rd Preset Time
Can be any number in 10-20ms, certainly, above-mentioned first Preset Time, the second Preset Time
And the 3rd the concrete numerical value of Preset Time can be configured according to actual application scenarios, this utility model
Embodiment does not limit the concrete of above-mentioned first Preset Time, the second Preset Time and the 3rd Preset Time
Numerical value.
The loaded capacity regulating voltage regulating switching device that this utility model embodiment provides, opens including low-pressure side vacuum
Pass group, transition vacuum switch group, high-pressure side vacuum switch group and homophony hold adjustable transformer, each vacuum
Switch and homophony hold oil circuit breaker group in adjustable transformer with the use of so that oil circuit breaker when switching not
Electric arc can be produced, therefore need not loaded capacity regulating voltage regulating switch is carried out periodic maintenance, oil strain, it is to avoid
Periodic maintenance, oil strain cause workload big operating cost high, and cause loaded capacity regulating voltage regulating switch
Damage, the problem that the sustainable use time is short.
Embodiment 2
This utility model embodiment provides a kind of loaded capacity regulating voltage regulating system, as it is shown on figure 3, this system
The loaded capacity regulating voltage regulating provided including switch controller 310, transition transformator 201 and above-described embodiment 1
Switching device 320；
Loaded capacity regulating voltage regulating switching device 320 is connected with transition transformator 201 and switch controller 310；
Loaded capacity regulating voltage regulating switching device receives the control signal of switch controller 310 transmission, according to this control
Signal processed carries out capacity transfer or pressure regulation.
Above-mentioned control signal can be Regulation Control signal, it is also possible to be capacity transfer control signal, if adjusting
Pressure control signal, can be voltage up control signal, it is also possible to be voltage down control signals, if capacity transfer
Control signal, can be the Large Copacity control signal that is switched to low capacity, it is also possible to be low capacity switching
To jumbo control signal.
Above-mentioned control signal can be low and high level signal, triggers loaded capacity-regulated tune by low and high level signal
Compress switch each switch in device.
When loaded capacity regulating voltage regulating switching device 320 carries out pressure regulation or capacity transfer, transition transformator 201 is given
Load supplying.
When needs carry out capacity transfer, switch controller 310 transmits capacity transfer control signal to loaded capacity regulating voltage regulating
Switching device 320, vacuum switch in loaded capacity regulating voltage regulating switching device 320 and oil circuit breaker with the use of,
Homophony is held adjustable transformer and carries out capacity transfer；When needs carry out pressure regulation, switch controller 310 transmits
Regulation Control signal is to loaded capacity regulating voltage regulating switching device 320, in loaded capacity regulating voltage regulating switching device 320
Vacuum switch and oil circuit breaker cooperate, to homophony hold adjustable transformer carry out pressure regulation.
The loaded capacity regulating voltage regulating system that this utility model embodiment provides, becomes including switch controller, transition
Depressor and loaded capacity regulating voltage regulating switching device, each vacuum switch in loaded capacity regulating voltage regulating switching device with
Homophony hold oil circuit breaker group in adjustable transformer with the use of so that oil circuit breaker will not produce when switching
Electric arc, therefore need not loaded capacity regulating voltage regulating switch carried out periodic maintenance, oil strain, it is to avoid periodically
Safeguard, oil strain causes the big operating cost of workload high, and loaded capacity regulating voltage regulating switch is caused damage,
The problem that the sustainable use time is short.
It should also be noted that similar label and letter represent similar terms, therefore, one in following accompanying drawing
A certain Xiang Yi the accompanying drawing of denier is defined, then need not it is carried out further in accompanying drawing subsequently
Definition and explanation.
In description of the present utility model, it should be noted that term " " center ", " on ", D score,
Orientation or the position relationship of the instruction such as "left", "right", " vertically ", " level ", " interior ", " outward " are
Based on orientation shown in the drawings or position relationship, or usually put when this utility model product uses
Orientation or position relationship, be for only for ease of description this utility model and simplify description rather than instruction
Hint indication device or element must have specific orientation, with specific azimuth configuration and operation,
Therefore it is not intended that to restriction of the present utility model.Additionally, term " first ", " second ", "
Three " etc. it is only used for distinguishing describing, and it is not intended that instruction or hint relative importance.
In description of the present utility model, in addition it is also necessary to explanation, unless otherwise clear and definite regulation and limit
Fixed, term " is arranged ", " installation ", " being connected ", " connection " should be interpreted broadly, for example, it is possible to
It it is fixing connection, it is also possible to be to removably connect, or be integrally connected；Can be to be mechanically connected, also
It can be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, can manage with concrete condition
Solve above-mentioned term concrete meaning in this utility model.
Last it is noted that embodiment described above, detailed description of the invention the most of the present utility model,
In order to the technical solution of the utility model to be described, it is not intended to limit, protection domain of the present utility model
It is not limited thereto, although this utility model being described in detail with reference to previous embodiment, this
The those of ordinary skill in field is it is understood that any those familiar with the art is in this practicality
In the technical scope of novel exposure, the technical scheme described in previous embodiment still can be carried out by it
Amendment maybe can readily occur in change, or wherein portion of techniques feature is carried out equivalent；And these are repaiied
Change, change or replace, do not make the essence of appropriate technical solution depart from this utility model embodiment technology
The spirit and scope of scheme.All should contain within protection domain of the present utility model.Therefore, this reality
Should be as the criterion with described scope of the claims with novel protection domain.
Claims (10)
1. a loaded capacity regulating voltage regulating switching device, it is characterised in that including: low-pressure side vacuum switch
Group, transition vacuum switch group, high-pressure side vacuum switch group and homophony hold adjustable transformer；
Described low-pressure side vacuum switch group is connected with secondary coil and the load of transition transformator；
Described transition vacuum switch group connects with primary coil and the power input of described transition transformator
Connect；
Described high-pressure side vacuum switch group holds the high-pressure side of adjustable transformer and described power supply with described homophony
Input connects；
Described low-pressure side vacuum switch group, described transition vacuum switch group, described high-pressure side vacuum switch
The oil circuit breaker group that group and described homophony are held in adjustable transformer is all connected with switch controller, receives described
The control signal of switch controller transmission, adjusts state according to described control signal；
Wherein, described control signal includes Regulation Control signal or capacity transfer control signal, described adjustment shape
The order of state is closed low side vacuum switch group, closes described transition vacuum and open after the first Preset Time
Pass group, now, described homophony holds adjustable transformer and described transition transformator supplies to described load simultaneously
Electricity, disconnects described high-pressure side vacuum switch group, now, described transition transformator after the second Preset Time
To described load supplying, described homophony holds the high-pressure side power-off of adjustable transformer, after the 3rd Preset Time
Switch described oil circuit breaker group and carry out pressure regulation or capacity transfer.
Loaded capacity regulating voltage regulating switching device the most according to claim 1, it is characterised in that described
Homophony is held adjustable transformer and is included pressure regulation oil circuit breaker group；
The on high-tension side tap that described pressure regulation oil circuit breaker group holds adjustable transformer with described homophony is connected；
Described pressure regulation oil circuit breaker group is connected with described switch controller, receives the transmission of described switch controller
Regulation Control signal；
After described pressure regulation oil circuit breaker group receives the Regulation Control signal of described switch controller transmission,
In described low-pressure side vacuum switch group, described transition vacuum switch group and described high-pressure side vacuum switch group
After the order adjustment state of described adjustment state, described pressure regulation oil circuit breaker group is according to described pressure regulation control
Signal processed switches over；
After described pressure regulation oil circuit breaker group switches, described low-pressure side vacuum switch group, described transition
Vacuum switch group and described high-pressure side vacuum switch group are according to contrary with the order of described adjustment state
Order adjusts state.
Loaded capacity regulating voltage regulating switching device the most according to claim 2, it is characterised in that described
Homophony is held adjustable transformer and is also included capacity transfer oil circuit breaker group；
Described capacity transfer oil circuit breaker group is connected with described switch controller, receives the transmission of described switch controller
Capacity transfer control signal；
After described capacity transfer oil circuit breaker group receives the capacity transfer control signal of described switch controller transmission,
In described low-pressure side vacuum switch group, described transition vacuum switch group and described high-pressure side vacuum switch group
After the order adjustment state of described adjustment state, described capacity transfer oil circuit breaker group is according to described capacity transfer control
Signal processed switches over；
After described capacity transfer oil circuit breaker group switches, described low-pressure side vacuum switch group, described transition
Vacuum switch group and described high-pressure side vacuum switch group are according to contrary with the order of described adjustment state
Order adjusts state.
Loaded capacity regulating voltage regulating switching device the most according to claim 1, it is characterised in that described
Low-pressure side vacuum switch group, described transition vacuum switch group and described high-pressure side vacuum switch group all use
Permanent magnet mechanism, and described transition vacuum switch group and described high-pressure side vacuum switch group use same electromagnetism
Ferrum controls.
Loaded capacity regulating voltage regulating switching device the most according to claim 4, it is characterised in that described
Low-pressure side vacuum switch group, described transition vacuum switch group and described high-pressure side vacuum switch group are by multiple
Position spring resets.
Loaded capacity regulating voltage regulating switching device the most according to claim 1, it is characterised in that described
Low-pressure side vacuum switch group includes three vacuum switches；
Described three vacuum switches are respectively with three secondary coil one_to_one corresponding of described transition transformator even
Connect, and be all connected with described load.
Loaded capacity regulating voltage regulating switching device the most according to claim 1, it is characterised in that described
Transition vacuum switch group includes two or three vacuum switches；
When described transition vacuum switch group includes two vacuum switches, said two vacuum switch and institute
Any two primary coil stated in three primary coils of transition transformator connects one to one, and all
It is connected with described power input；
When described transition vacuum switch group includes three vacuum switches, described three vacuum switches and institute
Three primary coils stating transition transformator connect one to one, and all with described power input even
Connect.
Loaded capacity regulating voltage regulating switching device the most according to claim 1, it is characterised in that described
High-pressure side vacuum switch group includes two or three vacuum switches；
When described high-pressure side vacuum switch group includes two vacuum switches, said two vacuum switch with
Described homophony holds any two primary coil one_to_one corresponding in three primary coils of adjustable transformer
Connect, and be all connected with described power input；
When described high-pressure side vacuum switch group includes three vacuum switches, described three vacuum switches with
Described homophony is held three primary coils of adjustable transformer and is connected one to one, and all defeated with described power supply
Enter end to connect.
Loaded capacity regulating voltage regulating switching device the most according to claim 1, it is characterised in that described
The original state of low-pressure side vacuum switch group is off-state, the initial shape of described transition vacuum switch group
State is off-state, and the original state of described high-pressure side vacuum switch group is closure state.
10. a loaded capacity regulating voltage regulating system, it is characterised in that include that switch controller, transition become
Loaded capacity regulating voltage regulating switching device described in depressor and any one of claim 1-9；
Described loaded capacity regulating voltage regulating switching device connects with described transition transformator and described switch controller
Connect；
Described loaded capacity regulating voltage regulating switching device receives the control signal of described switch controller transmission, root
Capacity transfer or pressure regulation is carried out according to described control signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620488786.0U CN205789461U (en) | 2016-05-26 | 2016-05-26 | A kind of loaded capacity regulating voltage regulating switching device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620488786.0U CN205789461U (en) | 2016-05-26 | 2016-05-26 | A kind of loaded capacity regulating voltage regulating switching device and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205789461U true CN205789461U (en) | 2016-12-07 |
Family
ID=58109852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620488786.0U Withdrawn - After Issue CN205789461U (en) | 2016-05-26 | 2016-05-26 | A kind of loaded capacity regulating voltage regulating switching device and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205789461U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105826062A (en) * | 2016-05-26 | 2016-08-03 | 北京博瑞莱智能科技集团有限公司 | On-load capacitance-adjusting and voltage-adjusting switch device and system |
| CN107946053A (en) * | 2017-12-11 | 2018-04-20 | 山东电工电气集团智能电气有限公司 | A kind of dry type loaded capacity regulating voltage regulating sub-connecting switch of transformer |
-
2016
- 2016-05-26 CN CN201620488786.0U patent/CN205789461U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105826062A (en) * | 2016-05-26 | 2016-08-03 | 北京博瑞莱智能科技集团有限公司 | On-load capacitance-adjusting and voltage-adjusting switch device and system |
| CN105826062B (en) * | 2016-05-26 | 2018-01-23 | 北京博瑞莱智能科技集团有限公司 | A kind of loaded capacity regulating voltage regulating switching device and system |
| CN107946053A (en) * | 2017-12-11 | 2018-04-20 | 山东电工电气集团智能电气有限公司 | A kind of dry type loaded capacity regulating voltage regulating sub-connecting switch of transformer |
| CN107946053B (en) * | 2017-12-11 | 2023-12-15 | 山东电工电气集团智能电气有限公司 | Tapping switch of dry-type on-load capacity-regulating voltage-regulating transformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161207 Effective date of abandoning: 20180123 |