CN109637858A - Transformer switch group, transformer, transformer capacity transfer method and device - Google Patents

Transformer switch group, transformer, transformer capacity transfer method and device Download PDF

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Publication number
CN109637858A
CN109637858A CN201811519321.7A CN201811519321A CN109637858A CN 109637858 A CN109637858 A CN 109637858A CN 201811519321 A CN201811519321 A CN 201811519321A CN 109637858 A CN109637858 A CN 109637858A
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CN
China
Prior art keywords
switch
disconnected
closure
closed
vacuum
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Granted
Application number
CN201811519321.7A
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Chinese (zh)
Other versions
CN109637858B (en
Inventor
张淼
张德明
章宏仁
李洪涛
宋凡
宋一凡
叶韩超
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ZHEJIANG TENGLONG ELECTRICAL APPARATUS CO Ltd
State Grid Corp of China SGCC
State Grid Beijing Electric Power Co Ltd
Original Assignee
ZHEJIANG TENGLONG ELECTRICAL APPARATUS CO Ltd
State Grid Corp of China SGCC
State Grid Beijing Electric Power Co Ltd
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Priority to CN201811519321.7A priority Critical patent/CN109637858B/en
Publication of CN109637858A publication Critical patent/CN109637858A/en
Application granted granted Critical
Publication of CN109637858B publication Critical patent/CN109637858B/en
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/0005—Tap change devices
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F29/00—Variable transformers or inductances not covered by group H01F21/00
    • H01F29/02—Variable transformers or inductances not covered by group H01F21/00 with tappings on coil or winding; with provision for rearrangement or interconnection of windings
    • H01F29/04—Variable transformers or inductances not covered by group H01F21/00 with tappings on coil or winding; with provision for rearrangement or interconnection of windings having provision for tap-changing without interrupting the load current
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/56—Contact arrangements for providing make-before-break operation, e.g. for on-load tap-changing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/0005—Tap change devices
    • H01H9/0027—Operating mechanisms
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/0005—Tap change devices
    • H01H9/0038—Tap change devices making use of vacuum switches

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
  • Coils Of Transformers For General Uses (AREA)

Abstract

This application discloses a kind of transformer switch group, transformer, transformer capacity transfer method and devices.The transformer switch group includes: first switch group, and the low-pressure side of transformer is arranged in, and the high-pressure side of transformer is arranged in second switch group；First switch group includes: the first vacuum switch, first switch, second switch, third switch, the 4th switch, the 5th switch, the 6th switch, the 7th switch and First Transition resistance；Second switch group includes: the second vacuum switch, the 8th switch, the 9th switch, the tenth switch, the 11st switch and the second transition resistance.It by the application, solves in capacitance switch group in the related technology and needs multiple vacuum switches, be equipped with multiple vacuum bubbles, problem at high cost.

Description

Transformer switch group, transformer, transformer capacity transfer method and device
Technical field
This application involves field transformers, in particular to a kind of transformer switch group, transformer, transformer capacity transfer Method and device.
Background technique
Loaded capacity-regulated tap switch be one kind in same transformer, can according to actual motion payload situation of change, By adjusting high and low pressure side umber of turn or connection type simultaneously, but keeps low-pressure side output voltage virtual value to be basically unchanged and come in fact The switch that existing transformer capacity is adjusted.Capacitance-adjustable transformer can effectively reduce no-load loss, realize the promotion of energy-saving effect.Currently, Along with the promotion that power supply reliability requires, loaded capacity-regulated tap switch keeps the excellent of power supply continuity during relying on capacity transfer Gesture is used by more and more capacitance-adjustable transformers.
The load ratio bridging switch that early stage power transformer is matched mostly uses transition resistance to switch, by copper tungsten arc contact into Row load transfer.The switching of this kind of tap switch frequently, arc contact scaling loss accordingly than more serious, oily carbonization and pollution speed compared with Fastly, daily maintenance and periodic inspection workload are increased to power supply department.In recent years, it is widely popularized, has along with vacuum technique On-load shunting switch also carries out revolutionary variation, and in order to solve the problems, such as oily pollution, the load ratio bridging switch of vacuum blow-out is answered It transports and gives birth to, while vacuum on-load operation switch can effectively improve switch mechanical life and contact electrical endurance, extend the time between overhauls(TBO), The cost of overhaul is significantly reduced, reliability of operation and safety are improved.Domestic and international load ratio bridging switch manufacturing enterprise opens successively Open up the research and development of vacuum on-load operation switch.However, being needed in load ratio bridging switch using multiple vacuum to realize capacity transfer function Bubble, the higher cost of vacuum bubbles especially high pressure vacuum bubble, in the application of distribution transformer capacity transfer, it usually needs configuration 12~30 A high-low pressure vacuum bubbles, so that equipment volume is big, manufacturing cost is high.
For being needed in the loaded capacity-regulated switching group of vacuum in the related technology using multiple vacuum bubbles, manufacturing cost is high to be asked Topic, currently no effective solution has been proposed.
Summary of the invention
The main purpose of the application is to provide a kind of transformer switch group, transformer, transformer capacity transfer method and device, To solve to need in the loaded capacity-regulated switching group of vacuum in the related technology using multiple vacuum bubbles, the high problem of manufacturing cost.
To achieve the goals above, according to the one aspect of the application, a kind of transformer switch group is provided.The transformer Switching group includes: first switch group, and the low-pressure side of transformer is arranged in, and the high-pressure side of transformer is arranged in second switch group；Its In, first switch group includes: the first vacuum switch, and the first end of the first vacuum switch is provided with first switch, true first The second end for being spaced apart pass is provided with second switch；Third switch, be arranged in the first vacuum switch first end and transformer it is low Between the first end for pressing the first coil in lateral coil group；4th switch, is arranged in the first end and low pressure of the first vacuum switch Between the first end of the second coil in lateral coil group；The second end and of the first vacuum switch is arranged in First Transition resistance Between the first end of two coil；5th switch, is arranged between the first end of first coil and the first end of the second coil；6th Switch, is arranged between the first end of first coil and the second end of the second coil；7th switch, is arranged in the of first coil Between two ends and the second end of the second coil；Second switch group includes: the second vacuum switch, in the first end of the second vacuum switch It is provided with the 8th switch, the second end of the second vacuum switch is provided with the 9th switch；Tenth switch, setting are opened in the second vacuum Between the first end of pass and the phase line of transformer；11st switch, first end and the high pressure that the second vacuum switch is arranged in are neutral Between point；Second transition resistance is arranged between the second end of the second vacuum switch and high pressure neutral point.
Further, first switch group further include: the second end and second of the first vacuum switch is arranged in the 12nd switch Between the first end of coil.
To achieve the goals above, according to the another aspect of the application, a kind of transformer, including above-mentioned transformer are provided Switching group.The transformer includes: three groups of low-voltage side coil groups, and the low-pressure side of iron core is arranged in, and every group of low-voltage side coil group includes Three groups of coils, the tertiary coil in low-voltage side coil group are arranged between the second end of first coil and phase line, first switch group It is arranged between every group of low-voltage side coil group and low pressure neutral point, wherein the first switch setting of first switch group is true first It is spaced apart between the first end of pass and low pressure neutral point, the second end of the first vacuum switch is arranged in the second switch of first switch group Between low pressure neutral point；Three groups of high-pressure side coil groups, are arranged in the high-pressure side of iron core, and every group of high-pressure side coil group includes one group Coil, the first end of second switch group are connect with the first end of one group of coil, the second end of second switch group and the one of adjacent phase The second end connection of group coil, the third end of second switch group are connected to high pressure neutral point, wherein the 8th of second switch group opens Pass is arranged between the first end of the second vacuum switch and the first end of high-pressure side coil group, and the 9th switch of second switch group is set It sets between the second end of the second vacuum switch and the first end of high-pressure side coil group.
Further, transformer further include: the first end of the second coil in three groups of low-voltage side coil groups and the respectively The 12nd switch being arranged between the second end of first vacuum switch of one switching group.
To achieve the goals above, according to further aspect of the application, a kind of transformer capacity transfer method is provided, is applied In above-mentioned transformer.It disconnects this method comprises: controlling the first switch of each first switch group from being closed into, while controlling each Second switch group the 8th switch from be closed into disconnect；In first switch and the 8th switch before being closed into disconnection, control is every A second switch from be disconnected to closure, while control it is each 9th switch from be disconnected to closure；It is switched in first switch and the 8th After being closed into disconnection, controls each third switch and disconnect from being closed into, while it is disconnected from being closed into control each tenth switch It opens；In third switch and the tenth switch after being closed into disconnection, each 4th switch is controlled from closure is disconnected to, is controlled simultaneously It is each 11st switch from be disconnected to closure；In second switch and the 9th switch before being disconnected to closure, control each 5th Switch from be closed into disconnect；In the 5th switch after being closed into disconnection, and close in second switch and the 9th switch from being disconnected to Before conjunction, control it is each 6th switch from be disconnected to closure；The 5th switch after being closed into disconnection, and the 6th switch from Be disconnected to before closure, control it is each 7th switch from be closed into disconnect；In the 5th switch before being closed into disconnection, control the One vacuum switch from be disconnected to closure；In the 5th switch after being closed into disconnection, and in the 7th switch from being closed into disconnection Before, control the first vacuum switch from be closed into disconnect；In the 6th switch after being disconnected to closure, and in second switch and the 9th For switch before being disconnected to closure, the first vacuum switch of control controls the second vacuum switch from disconnection from being disconnected to closure To closure；In first switch and the 8th switch after being closed into disconnection, and it is disconnected from being closed into third switch and the tenth switch Before opening, control the first vacuum switch from be closed into disconnect, while control the second vacuum switch from be closed into disconnect；It is opened the 4th Close and the 11st switch after being disconnected to closure, control the first vacuum switch from be disconnected to closure, while control the second vacuum Switch from be disconnected to closure.
It further, also include the first end of the second coil in three groups of low-voltage side coil groups and the respectively in transformer In the case where the 12nd switch being arranged between first vacuum switch of one switching group, this method further include: opened in the first vacuum It closes for the first time after being closed into disconnection, and in the 7th switch before being closed into disconnection, the 12nd switch of control is from being closed into It disconnects；In the first vacuum switch and the second vacuum switch last time after being disconnected to closure, control the 12nd is switched from disconnected Reach closure.
To achieve the goals above, according to further aspect of the application, another transformer capacity transfer method is provided, is answered For above-mentioned transformer.This method comprises: controlling the first switch of each first switch group from being disconnected to closure, while controlling every A second switch group the 8th switch from be disconnected to closure；In first switch and the 8th switch after being disconnected to closure, control Each second switch from be closed into disconnect, while control it is each 9th switch from be closed into disconnect；It is opened in first switch and the 8th It closes before being disconnected to closure, controls each third switch from being disconnected to closure, while controlling each tenth switch from being disconnected to Closure；Third switch and the tenth switch before being disconnected to closure, control it is each 4th switch from be closed into disconnect, same to time control Make it is each 11st switch from be closed into disconnect；In second switch and the 9th switch after being closed into disconnection, each the is controlled Five switch from be disconnected to closure；In the 5th switch before being disconnected to closure, and in second switch and the 9th switch from being closed into After disconnection, control it is each 6th switch from be closed into disconnect；In the 5th switch before being disconnected to closure, and in the 6th switch After being closed into disconnection, control it is each 7th switch from be disconnected to closure；In the 4th switch and the 11st switch from being closed into Before disconnection, control the first vacuum switch from be closed into disconnect, while control the second vacuum switch from be closed into disconnect；In third Switch and the tenth switch are after being disconnected to closure, and in first switch and the 8th switch before being disconnected to closure, control the One vacuum switch from be disconnected to closure, while control the second vacuum switch from be disconnected to closure；It is switched in second switch and the 9th After being closed into disconnection, and the 6th switch before being closed into disconnection, control the first vacuum switch from be closed into disconnect, Simultaneously control the second vacuum switch from be closed into disconnect；In the 7th switch after being disconnected to closure, and switch the 5th from disconnected Reach before closure, control the first vacuum switch from be disconnected to closure；In the 5th switch after being disconnected to closure, control first Vacuum switch from be closed into disconnect.
It further, also include the first end of the second coil in three groups of low-voltage side coil groups and the respectively in transformer In the case where the 12nd switch being arranged between first vacuum switch of one switching group, this method further include: opened in the first vacuum Pass and the second vacuum switch first time, the 12nd switch of control was from disconnection is closed into, in the first vacuum before being closed into disconnection Before being disconnected to closure, and in the 7th switch after being disconnected to closure, control the 12nd is switched from disconnected switch last time Reach closure.
To achieve the goals above, according to the another aspect of the application, a kind of transformer apparatus for adjusting capacity is provided, is applied to Above-mentioned transformer.The device includes: first control unit, and the first switch for controlling each first switch group is disconnected from being closed into Open, at the same control each second switch group the 8th switch from be closed into disconnect；Second control unit, in first switch and 8th switch before being closed into disconnection, control each second switch from be disconnected to closure, while control it is each 9th switch from It is disconnected to closure；Third control unit, for after being closed into disconnection, controlling each third in first switch and the 8th switch Switch from be closed into disconnect, while control it is each tenth switch from be closed into disconnect；4th control unit, for being switched in third With the tenth switch after being closed into disconnection, each 4th switch is controlled from closure is disconnected to, while each 11st is controlled and opening Close from be disconnected to closure；5th control unit, for before being disconnected to closure, control to be each in second switch and the 9th switch 5th switch from be closed into disconnect；6th control unit, for being switched after being closed into disconnection the 5th, and in second switch With the 9th switch before being disconnected to closure, control it is each 6th switch from be disconnected to closure；7th control unit, for the Five switches control each 7th switch from being closed into after being closed into disconnection, and in the 6th switch before being disconnected to closure It disconnects；8th control unit, for before being closed into disconnection, the first vacuum switch of control to be closed from being disconnected in the 5th switch It closes；The 5th switch after being closed into disconnection, and the 7th switch before being closed into disconnection, control the first vacuum switch from It is closed into disconnection；In the 6th switch after being disconnected to closure, and in second switch and the 9th switch before being disconnected to closure, Control the first vacuum switch from be disconnected to closure, while control the second vacuum switch from be disconnected to closure；In first switch and Eight switches after being closed into disconnection, and in third switch and the tenth switch before being closed into disconnection, open by the first vacuum of control Close from be closed into disconnect, while control the second vacuum switch from be closed into disconnect；It switchs in the 4th switch and the 11st from disconnection To after closure, control the first vacuum switch from be disconnected to closure, while control the second vacuum switch from be disconnected to closure.
To achieve the goals above, according to the another aspect of the application, a kind of transformer apparatus for adjusting capacity is provided, is applied to Above-mentioned transformer.The device includes: the 9th control unit, is closed for controlling the first switch of each first switch group from being disconnected to Close, at the same control each second switch group the 8th switch from be disconnected to closure；Tenth control unit, in first switch and 8th switch after being disconnected to closure, control each second switch from be closed into disconnect, while control it is each 9th switch from It is closed into disconnection；11st control unit, for before being disconnected to closure, controlling each the in first switch and the 8th switch Three switch from be disconnected to closure, while control it is each tenth switch from be disconnected to closure；12nd control unit, in third Switch and the tenth switch control each 4th switch and disconnect from being closed into, while controlling each tenth before being disconnected to closure One switch from be closed into disconnect；13rd control unit, for after being closed into disconnection, being controlled in second switch and the 9th switch Make it is each 5th switch from be disconnected to closure；14th control unit, for being switched before being disconnected to closure the 5th, and Second switch and the 9th switch after being closed into disconnection, control it is each 6th switch from be closed into disconnect；15th control is single Member, for controlling each 7th after being closed into disconnection before being disconnected to closure, and in the 6th switch in the 5th switch and opening Close from be disconnected to closure；16th control unit, for before being closed into disconnection, being controlled in the 4th switch and the 11st switch First vacuum switch from be closed into disconnect, while control the second vacuum switch from be closed into disconnect；It is opened in third switch and the tenth Close after being disconnected to closure, and first switch and the 8th switch before being disconnected to closure, control the first vacuum switch from It is disconnected to closure, while controlling the second vacuum switch from being disconnected to closure；Second switch and the 9th switch from be closed into disconnect Later, and the 6th switch before being closed into disconnection, control the first vacuum switch from be closed into disconnect, while control second Vacuum switch from be closed into disconnect；In the 7th switch after being disconnected to closure, and in the 5th switch before being disconnected to closure, Control the first vacuum switch from be disconnected to closure；In the 5th switch after being disconnected to closure, the first vacuum switch of control is from closing Close disconnection.
The application transformer switch group includes: first switch group, is arranged in the low-pressure side of transformer, second switch group, if It sets in the high-pressure side of transformer；Wherein, first switch group includes: the first vacuum switch, is set in the first end of the first vacuum switch It is equipped with first switch, the second end of the first vacuum switch is provided with second switch；Third switch, is arranged in the first vacuum switch First end and transformer low-voltage side coil group in first coil first end between；4th switch, setting are true first It is spaced apart between the first end of the second coil in the first end and low-voltage side coil group of pass；First Transition resistance is arranged first Between the second end of vacuum switch and the first end of the second coil；5th switch, is arranged in the first end and second of first coil Between the first end of coil；6th switch, is arranged between the first end of first coil and the second end of the second coil；7th opens It closes, is arranged between the second end of first coil and the second end of the second coil；Second switch group includes: the second vacuum switch, The first end of second vacuum switch is provided with the 8th switch, the second end of the second vacuum switch is provided with the 9th switch；The Ten switches, are arranged between the first end of the second vacuum switch and the phase line of transformer；11st switch, is arranged in the second vacuum Between the first end and high pressure neutral point of switch；Second transition resistance is arranged in the second end and high pressure of the second vacuum switch Between property point, solves and needed in the loaded capacity-regulated switching group of vacuum in the related technology using multiple vacuum bubbles, manufacturing cost is high Problem.Capacity transfer is carried out by using the transformer switch group for only including six vacuum switches, and then has reached and has reduced vacuum bubbles It is equipped with quantity, reduces the effect of cost.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide further understanding of the present application, the schematic reality of the application Example and its explanation are applied for explaining the application, is not constituted an undue limitation on the present application.In the accompanying drawings:
Fig. 1 is the schematic diagram according to transformer switch group provided by the embodiments of the present application；
Fig. 2 is shown according to a kind of low-voltage side coil of transformer provided by the embodiments of the present application and the structure of first switch group It is intended to；
Fig. 3 is shown according to a kind of high pressure lateral coil of transformer provided by the embodiments of the present application and the structure of second switch group It is intended to；
Fig. 4 is according to a kind of time diagram of transformer capacity transfer method provided by the embodiments of the present application；
Fig. 5 is according to a kind of schematic diagram of transformer apparatus for adjusting capacity provided by the embodiments of the present application；And
Fig. 6 is the schematic diagram according to another transformer apparatus for adjusting capacity provided by the embodiments of the present application.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
In order to make those skilled in the art more fully understand application scheme, below in conjunction in the embodiment of the present application Attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is only The embodiment of the application a part, instead of all the embodiments.Based on the embodiment in the application, ordinary skill people Member's every other embodiment obtained without making creative work, all should belong to the model of the application protection It encloses.
It should be noted that the description and claims of this application and term " first " in above-mentioned attached drawing, " Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way Data be interchangeable under appropriate circumstances, so as to embodiments herein described herein.In addition, term " includes " and " tool Have " and their any deformation, it is intended that cover it is non-exclusive include, for example, containing a series of steps or units Process, method, system, product or equipment those of are not necessarily limited to be clearly listed step or unit, but may include without clear Other step or units listing to Chu or intrinsic for these process, methods, product or equipment.
According to an embodiment of the present application, a kind of transformer switch group is provided.
Fig. 1 is the schematic diagram according to the transformer switch group of the embodiment of the present application.As shown in Figure 1, the transformer switch group Include: first switch group 10, the low-pressure side of transformer is set, the high-pressure side of transformer is arranged in second switch group 20；Its In, first switch group 10 includes: the first vacuum switch, the first end of the first vacuum switch is provided with first switch, first The second end of vacuum switch is provided with second switch；The first end and transformer of first vacuum switch is arranged in third switch Between the first end of first coil in low-voltage side coil group；The first end of the first vacuum switch and low is arranged in 4th switch Between the first end for pressing the second coil in lateral coil group；First Transition resistance, be arranged in the first vacuum switch second end and Between the first end of second coil；5th switch, is arranged between the first end of first coil and the first end of the second coil；The Six switches, are arranged between the first end of first coil and the second end of the second coil；7th switch, is arranged in first coil Between second end and the second end of the second coil；Second switch group 20 includes: the second vacuum switch, the of the second vacuum switch One end is provided with the 8th switch, and the second end of the second vacuum switch is provided with the 9th switch；Tenth switch, setting are true second It is spaced apart between the first end of pass and the phase line of transformer；11st switch, is arranged in the first end and high pressure of the second vacuum switch Between neutral point；Second transition resistance is arranged between the second end of the second vacuum switch and high pressure neutral point.
It should be noted that the transformer switch group use in the present embodiment passes through change during transformer capacity transfer Each switch of switching group cut-offs state, realizes the switching of the connection type of transformer coli winding, to realize transformer The adjusting of capacity.By six vacuum switches are used only in transformer switch group in this present embodiment, rest switch is all made of general Open up pass, reduce the dosage of vacuum switch, consequently reduce the dosage of vacuum bubbles used in arc extinguishing, thus saved at This, reduces equipment volume.
Optionally, in transformer switch group provided by the embodiments of the present application further include: first switch group further include: the 12nd Switch, is arranged between the second end of the first vacuum switch and the first end of the second coil.
It should be noted that after being disconnected by the switch of verification experimental verification the 5th, becoming in the use process of transformer switch group Whether the high-pressure side parallel winding or low-pressure side parallel winding of depressor can generate electric arc, if electric arc is generated, in the first vacuum switch Second end and every group of coil the second coil first end between setting the 12nd switch.
Transformer switch group provided by the embodiments of the present application, comprising: the low pressure of transformer is arranged in first switch group 10 The high-pressure side of transformer is arranged in side, second switch group 20；Wherein, first switch group 10 includes: the first vacuum switch, The first end of one vacuum switch is provided with first switch, and the second end of the first vacuum is provided with second switch；Third switch, if It sets between the first end of the first coil in the first end of the first vacuum switch and the low-voltage side coil group of transformer；4th opens It closes, is arranged between the first end of the second coil in the first end and low-voltage side coil group of the first vacuum switch；First Transition Resistance is arranged between the second end of the first vacuum switch and the first end of the second coil；5th switch, is arranged in first coil First end and the second coil first end between；6th switch, be arranged in first coil first end and the second coil the Between two ends；7th switch, is arranged between the second end of first coil and the second end of the second coil；Second switch group 20 is wrapped Include: the second vacuum switch is provided with the 8th switch in the first end of the second vacuum switch, sets in the second end of the second vacuum switch It is equipped with the 9th switch；Tenth switch, is arranged between the first end of the second vacuum switch and the phase line of transformer；11st opens It closes, is arranged between the first end of the second vacuum switch and high pressure neutral point；Second transition resistance is arranged in the second vacuum switch Second end and high pressure neutral point between, solve and need in the loaded capacity-regulated switching group of vacuum in the related technology using multiple vacuum Bubble, the high problem of manufacturing cost.Capacity transfer is carried out by using the transformer switch group for only including six vacuum switches, and then is reached The outfit quantity for reducing vacuum bubbles, reduces the effect of cost.
According to an embodiment of the present application, a kind of transformer is provided, which includes: three groups of low-voltage side coil groups, if The low-pressure side in iron core is set, every group of low-voltage side coil group includes three groups of coils, and the tertiary coil setting in low-voltage side coil group exists Between the second end and phase line of first coil, first switch group is arranged between every group of low-voltage side coil group and low pressure neutral point, Wherein, the first switch of first switch group is arranged between the first end of the first vacuum switch and low pressure neutral point, first switch The second switch of group is arranged between the second end of the first vacuum switch and low pressure neutral point.
As shown in Fig. 2, being a kind of low-voltage side coil of transformer provided by the embodiments of the present application and the knot of first switch group Structure schematic diagram, in three groups of transformer switch groups, the first vacuum switch is expressed as DA1, DB1 and DC1, first switch TRDA1, TRDB1 and TRDC1, second switch are expressed as TRDA2, TRDB2 and TRDC2, pass through first switch or Two switches realize the on-off between transformer switch group and low pressure neutral point, it should be noted that first switch and the second switch It is not simultaneously in the state of disconnection, third switch is expressed as TRDA3, TRDB3 and TRDC3, the 4th switch difference table It is shown as TRDA4, TRDB4 and TRDC4, it should be noted that third switch and the 4th switchs the shape for being not simultaneously in closure State, the 5th switch are expressed as TRDA5, TRDB5 and TRDC5, the 6th switch be expressed as TRDA6, TRDB6 and TRDC6, the 7th switch are expressed as TRDA7, TRDB7 and TRDC7, it should be noted that the 6th switch The state of closure is not simultaneously in the 7th switch, First Transition resistance is expressed as DRA1, DRB1 and DRC1, First Line Circle is expressed as TA1, TB1 and TC1, and the second coil is expressed as TA2, TB2 and TC2, and tertiary coil is expressed as TA3, TB3 and TC3, low pressure neutral point is shown in FIG as DC point.
Three groups of high-pressure side coil groups, are arranged in the high-pressure side of iron core, and every group of high-pressure side coil group includes one group of coil, and second The first end of switching group is connect with the first end of one group of coil, the second end of second switch group and the of one group of coil of adjacent phase The connection of two ends, the third end of second switch group is connected to high pressure neutral point, wherein the 8th switch setting of second switch group is the Between the first end of two vacuum switches and the first end of high-pressure side coil group, the 9th switch setting of second switch group is true second It is spaced apart between the second end of pass and the first end of high-pressure side coil group.
As shown in figure 3, being a kind of high pressure lateral coil of transformer provided by the embodiments of the present application and the knot of second switch group Structure schematic diagram, in three groups of transformer switch groups, the second vacuum switch is expressed as GA2, GB2 and GC2, the 8th switch difference It is expressed as TRGA8, TRGB8 and TRGC8, the 9th switch is expressed as TRGA9, TRGB9 and TRGC9, opens by the 8th It closes or the 9th switchs the on-off realized between transformer switch group and coil, it should be noted that the 8th switch and the 9th switch It is not simultaneously in the state of disconnection, the tenth switch is expressed as TRGA10, TRGB10 and TRGC10, the 11st switch point TRGA11, TRGB11 and TRGC11 are not expressed as it, it should be noted that the tenth switch and the 11st switch are not simultaneously in The state of closure, the second transition resistance are expressed as GRA2, GRB2 and GRC2, and high-pressure neutral point is shown in FIG as GC Point.
Optionally, transformer provided by the embodiments of the present application further include: second in three groups of low-voltage side coil groups respectively The 12nd switch being arranged between the second end of first vacuum switch of the first end and first switch group of coil.
As shown in Fig. 2, the 12nd switch of setting is expressed as in three groups of transformer switch groups of low-pressure side TRDA12, TRDB12 and TRDC12.Through this embodiment, electric arc can normally extinguish after ensure that the 5th switch disconnection.Pass through The present embodiment, ensure that will not generate electric arc after the 5th switch directly disconnects.
According to an embodiment of the present application, a kind of transformer capacity transfer method is provided, above-mentioned transformer is applied to.
It disconnects this method comprises: controlling the first switch of each first switch group from being closed into, while controlling each second Switching group the 8th switch from be closed into disconnect；In first switch and the 8th switch before being closed into disconnection, each the is controlled Two switch from be disconnected to closure, while control it is each 9th switch from be disconnected to closure；In first switch and the 8th switch from closing It after closing disconnection, controls each third switch and disconnects from being closed into, while controlling each tenth switch and disconnecting from being closed into；? Third switch and the tenth switch control each 4th switch from being disconnected to closure after being closed into disconnection, while controlling each 11st switch from be disconnected to closure；In second switch and the 9th switch before being disconnected to closure, each 5th switch is controlled It is disconnected from being closed into；In the 5th switch after being closed into disconnection, and in second switch and the 9th switch from being disconnected to closure Before, control it is each 6th switch from be disconnected to closure；It is switched after being closed into disconnection, and the 6th from disconnection in the 5th switch To before closure, control it is each 7th switch from be closed into disconnect；In the 5th switch before being closed into disconnection, control first is true Be spaced apart pass from be disconnected to closure；In the 5th switch after being closed into disconnection, and in the 7th switch before being closed into disconnection, control Make the first vacuum switch from be closed into disconnect；In the 6th switch after being disconnected to closure, and switched in second switch and the 9th Before being disconnected to closure, the first vacuum switch of control controls the second vacuum switch and closes from being disconnected to from being disconnected to closure It closes；In first switch and the 8th switch after being closed into disconnection, and in third switch and the tenth switch from being closed into disconnection Before, control the first vacuum switch from be closed into disconnect, while control the second vacuum switch from be closed into disconnect；The 4th switch and 11st switch after being disconnected to closure, control the first vacuum switch from be disconnected to closure, while control the second vacuum switch It is closed from being disconnected to.
As shown in figure 4, being become according to a kind of time diagram of transformer capacity transfer method provided by the embodiments of the present application When depressor is converted to low capacity from high capacity, by from left to right timing act, control TRDA1, TRDB1, TRDC1, TRGA8, TRGB8, TRGC8 from be closed into disconnect, that is, control TRD1 and TRG8 from be closed into disconnect；In TRD1 and TRG8 from being closed into Before disconnection, control TRDA2, TRDB2, TRDC2, TRGA9, TRGB9, TRGC9 from be disconnected to closure, that is, control TRD2 and TRG9 from be disconnected to closure；In TRD1 and TRG8 after being closed into disconnection, control TRDA3, TRDB3, TRDB3, TRGA10, TRGB10, TRGB10 from be closed into disconnect, that is, control TRD3 and TRG10 from be closed into disconnect；In TRD3 and TRG10 from closing After closing disconnection, control TRDA4, TRDB4, TRDB4, TRGA11, TRGB11, TRGB11 is from closure is disconnected to, that is, control TRD4 and TRG11 from be disconnected to closure；In TRD2 and TRG9 before being disconnected to closure, control TRDA5, TRDB5, TRDC5 from Be closed into disconnection, that is, control TRD5 from be closed into disconnect；In TRD5 after being closed into disconnection, and TRD2 and TRG9 from Be disconnected to before closure, control TRDA6, TRDB6, TRDC6 from be disconnected to closure, that is, control TRD6 from be disconnected to closure；? For TRD5 after being closed into disconnection, and in TRD6 before being disconnected to closure, control TRDA7, TRDB7, TRDC7 is disconnected from being closed into Open, that is, control TRD7 from be closed into disconnect；
In TRD5 before being closed into disconnection, first vacuum switch DA1, DB1, DC1 of each transformer switch group is controlled From closure is disconnected to, D1 switch is referred to as in figure；In TRD5 after being closed into disconnection, and in TRD7 from being closed into disconnection Before, control D1 switch from be closed into disconnect；In TRD6 after being disconnected to closure, and in TRD2 and TRG9 from being disconnected to closure Before, control DR1 switch from be disconnected to closure, meanwhile, control second vacuum switch GA2, GB2, GC2 from be disconnected to closure, scheming In referred to as high pressure G2 switch；In TRD1 and TRG8 after being closed into disconnection, and in TRD3 and TRG10 from being closed into disconnection Before, control G2 switch and D1 switch from be closed into disconnect；In TRD4 and TRG11 after being disconnected to closure, control G2 switch and D1 switch from be disconnected to closure.
It is successively moved it should be noted that the present embodiment controls above-mentioned switch by mechanical linkage which controls according to above-mentioned timing Make, after each switch of transformer switch group is acted by above-mentioned timing, that is, completes between completing high-voltage winding " D " and cut to " Y " Change and low pressure winding between be parallel to concatenated synchronism switching, before transformer capacity transfer with the size and capacity ratio after capacity transfer It is 3 to 1.
Transformer capacity transfer method provided by the embodiments of the present application, by controlling the first switch of each first switch group from closing Close disconnection, at the same control each second switch group the 8th switch from be closed into disconnect；First switch and the 8th switch from Be closed into before disconnection, control each second switch from be disconnected to closure, while control it is each 9th switch from be disconnected to closure； In first switch and the 8th switch after being closed into disconnection, controls each third switch and disconnect from being closed into, while controlling every It is a tenth switch from be closed into disconnect；In third switch and the tenth switch after being closed into disconnection, each 4th switch is controlled From be disconnected to closure, while control it is each 11st switch from be disconnected to closure；In second switch and the 9th switch from being disconnected to Before closure, control it is each 5th switch from be closed into disconnect；In the 5th switch after being closed into disconnection, and in second switch With the 9th switch before being disconnected to closure, control it is each 6th switch from be disconnected to closure；It is disconnected from being closed into the 5th switch After opening, and the 6th switch before being disconnected to closure, control it is each 7th switch from be closed into disconnect；The 5th switch from Be closed into before disconnection, control the first vacuum switch from be disconnected to closure；In the 5th switch after being closed into disconnection, and the Seven switch before being closed into disconnection, control the first vacuum switch from be closed into disconnect；In the 6th switch from being disconnected to closure Afterwards, and second switch and the 9th switch before being disconnected to closure, control the first vacuum switch from be disconnected to closure, same to time control Make the second vacuum switch from be disconnected to closure；It is switched after being closed into disconnection, and in third in first switch and the 8th switch With the tenth switch before being closed into disconnection, control the first vacuum switch from be closed into disconnect, while control the second vacuum switch It is disconnected from being closed into；In the 4th switch and the 11st switch after being disconnected to closure, the first vacuum switch of control is from being disconnected to Closure, while the second vacuum switch is controlled from closure is disconnected to, solving needs in the loaded capacity-regulated switching group of vacuum in the related technology To use multiple vacuum bubbles, the high problem of manufacturing cost.By using only include six vacuum switches transformer switch group into Row capacity transfer, and then reached the outfit quantity for reducing vacuum bubbles, reduce the effect of cost.
It optionally, also include respectively at three groups in transformer in transformer capacity transfer method provided by the embodiments of the present application It opens the 12nd be arranged between the first end of the second coil in low-voltage side coil group and the first vacuum switch of first switch group In the case where pass, this method further include: in the first vacuum switch for the first time after being closed into disconnection, and in the 7th switch from closing Before closing disconnection, control the 12nd switch from be closed into disconnect；In the first vacuum switch and the second vacuum switch last time After being disconnected to closure, control the 12nd switch from be disconnected to closure.
As shown in figure 4, in D1 first time after being closed into disconnection, and in TRD7 before being closed into disconnection, control TRDA12, TRDB12 and TRDC12 are from disconnection is closed into, that is, controlling TRD12 from disconnection is closed into, in D1 and G2 last time After being disconnected to closure, control TRD12 from be disconnected to closure.It should be noted that TRD4, TRG11 from be disconnected to closure Later, can also control TRD12 from be disconnected to closure.
In addition, need vacuum switch cooperation to carry out arc extinguishing to the 12nd switch when the 12nd switch disconnects, thus, 5th switch controls each transformer switch group before being closed into disconnection after being closed into disconnection, and in the 12nd switch Vacuum switch from be closed into disconnect.As shown in figure 4, in TRD5 after being closed into disconnection, and disconnect in TRD12 from being closed into Before, control DR1 switch from be closed into disconnect.
According to an embodiment of the present application, another transformer capacity transfer method is provided, above-mentioned transformer is applied to.
This method comprises: controlling the first switch of each first switch group from being disconnected to closure, while controlling each second Switching group the 8th switch from be disconnected to closure；In first switch and the 8th switch after being disconnected to closure, each the is controlled Two switch from be closed into disconnect, while control it is each 9th switch from be closed into disconnect；It switchs in first switch and the 8th from disconnected It reaches before closure, controls each third switch from being disconnected to closure, while controlling each tenth switch from being disconnected to closure；? Third switch and the tenth switch control each 4th switch and disconnect from being closed into before being disconnected to closure, while controlling each 11st switch from be closed into disconnect；In second switch and the 9th switch after being closed into disconnection, each 5th switch is controlled It is closed from being disconnected to；In the 5th switch before being disconnected to closure, and in second switch and the 9th switch from being closed into disconnection Afterwards, control it is each 6th switch from be closed into disconnect；It is switched before being disconnected to closure, and the 6th from closure in the 5th switch To after disconnection, control it is each 7th switch from be disconnected to closure；In the 4th switch and the 11st switch from being closed into disconnection Before, control the first vacuum switch from be closed into disconnect, while control the second vacuum switch from be closed into disconnect；Third switch and Tenth switch controls the first vacuum before being disconnected to closure after being disconnected to closure, and in first switch and the 8th switch Switch from be disconnected to closure, while control the second vacuum switch from be disconnected to closure；It switchs in second switch and the 9th from closure To after disconnection, and the 6th switch before being closed into disconnection, control the first vacuum switch from be closed into disconnect, same to time control Make the second vacuum switch from be closed into disconnect；In the 7th switch after being disconnected to closure, and close in the 5th switch from being disconnected to Before conjunction, control the first vacuum switch from be disconnected to closure；In the 5th switch after being disconnected to closure, the first vacuum of control is opened Close from be closed into disconnect.
As shown in figure 4, being become according to a kind of time diagram of transformer capacity transfer method provided by the embodiments of the present application It when depressor is converted to high capacity from low capacity, acts, is pressed in each switch of transformer switch group upper by timing from right to left After stating timing movement, " Y " arrives the synchronism switching that parallel connection is connected in series between " D " switching and low pressure winding between completing high-voltage winding, becomes Depressor capacity transfer is before 1 to 3 with the size and capacity ratio after capacity transfer.
Transformer capacity transfer method provided by the embodiments of the present application, by controlling the first switch of each first switch group from disconnected Reach closure, at the same control each second switch group the 8th switch from be disconnected to closure；First switch and the 8th switch from Be disconnected to after closure, control each second switch from be closed into disconnect, while control it is each 9th switch from be closed into disconnect； In first switch and the 8th switch before being disconnected to closure, each third switch is controlled from being disconnected to closure, while controlling every It is a tenth switch from be disconnected to closure；In third switch and the tenth switch before being disconnected to closure, each 4th switch is controlled From be closed into disconnect, while control it is each 11st switch from be closed into disconnect；In second switch and the 9th switch from being closed into After disconnection, control it is each 5th switch from be disconnected to closure；In the 5th switch before being disconnected to closure, and in second switch With the 9th switch after being closed into disconnection, control it is each 6th switch from be closed into disconnect；It closes in the 5th switch from being disconnected to Before conjunction, and the 6th switch after being closed into disconnection, control it is each 7th switch from be disconnected to closure；The 4th switch and 11st switch before being closed into disconnection, control the first vacuum switch from be closed into disconnect, while control the second vacuum switch It is disconnected from being closed into；In third switch and the tenth switch after being disconnected to closure, and switch in first switch and the 8th from disconnected Reach before closure, control the first vacuum switch from be disconnected to closure, while control the second vacuum switch from be disconnected to closure；? Before being closed into disconnection, it is true to control first in the 6th switch after being closed into disconnection for second switch and the 9th switch Be spaced apart pass from be closed into disconnect, while control the second vacuum switch from be closed into disconnect；In the 7th switch from being disconnected to closure Afterwards, and the 5th switch before being disconnected to closure, control the first vacuum switch from be disconnected to closure；It switchs the 5th from disconnection To after closure, the first vacuum switch of control solves in the loaded capacity-regulated switching group of vacuum in the related technology from disconnection is closed into It needs using multiple vacuum bubbles, the high problem of manufacturing cost.By using the transformer switch group for only including six vacuum switches Capacity transfer is carried out, and then has reached the outfit quantity for reducing vacuum bubbles, reduces the effect of cost.
It optionally, also include respectively at three groups in transformer in transformer capacity transfer method provided by the embodiments of the present application It opens the 12nd be arranged between the first end of the second coil in low-voltage side coil group and the first vacuum switch of first switch group In the case where pass, this method further include: in the first vacuum switch and the second vacuum switch first time before being closed into disconnection, control The 12nd switch is made from disconnection is closed into, is switched before being disconnected to closure, and the 7th in the first vacuum switch last time After being disconnected to closure, control the 12nd switch from be disconnected to closure.It should be noted that being opened in the 4th switch and the 11st Close before being closed into disconnection, can first control the 12nd switch from be closed into disconnect.
It should be noted that step shown in the flowchart of the accompanying drawings can be in such as a group of computer-executable instructions It is executed in computer system, although also, logical order is shown in flow charts, and it in some cases, can be with not The sequence being same as herein executes shown or described step.
The embodiment of the present application also provides a kind of transformer apparatus for adjusting capacity, it should be noted that the change of the embodiment of the present application Depressor apparatus for adjusting capacity can be used for executing for transformer capacity transfer method provided by the embodiment of the present application.Below to the application reality The transformer apparatus for adjusting capacity for applying example offer is introduced.
Fig. 5 is the schematic diagram according to the transformer apparatus for adjusting capacity of the embodiment of the present application.As shown in figure 5, the device includes: One control unit 51, the second control unit 52, third control unit 53, the 4th control unit 54, the 5th control unit the 55, the 6th Control unit 56, the 7th control unit 57, the 8th control unit 58.
Specifically, first control unit 51 are disconnected for controlling the first switch of each first switch group from being closed into, together When control each second switch group the 8th switch from be closed into disconnect；
Second control unit 52, for before being closed into disconnection, controlling each second in first switch and the 8th switch Switch from be disconnected to closure, while control it is each 9th switch from be disconnected to closure；
Third control unit 53, for after being closed into disconnection, controlling each third in first switch and the 8th switch Switch from be closed into disconnect, while control it is each tenth switch from be closed into disconnect；
4th control unit 54, for after being closed into disconnection, controlling each 4th in third switch and the tenth switch Switch from be disconnected to closure, while control it is each 11st switch from be disconnected to closure；
5th control unit 55, for before being disconnected to closure, controlling each 5th in second switch and the 9th switch Switch from be closed into disconnect；
6th control unit 56, for being switched after being closed into disconnection, and in second switch and the 9th in the 5th switch Before being disconnected to closure, control it is each 6th switch from be disconnected to closure；
7th control unit 57, for being closed after being closed into disconnection, and in the 6th switch from being disconnected in the 5th switch Before conjunction, control it is each 7th switch from be closed into disconnect；
8th control unit 58, for before being closed into disconnection, controlling the first vacuum switch from disconnection in the 5th switch To closure；In the 5th switch after being closed into disconnection, and in the 7th switch before being closed into disconnection, the first vacuum of control is opened Close from be closed into disconnect；The 6th switch after being disconnected to closure, and second switch and the 9th switch from be disconnected to closure Before, control the first vacuum switch from be disconnected to closure, while control the second vacuum switch from be disconnected to closure；In first switch With the 8th switch after being closed into disconnection, and in third switch and the tenth switch before being closed into disconnection, control first is true Be spaced apart pass from be closed into disconnect, while control the second vacuum switch from be closed into disconnect；The 4th switch and the 11st switch from Be disconnected to after closure, control the first vacuum switch from be disconnected to closure, while control the second vacuum switch from be disconnected to closure.
Transformer apparatus for adjusting capacity provided by the embodiments of the present application controls each first switch by first control unit 51 Group first switch from be closed into disconnect, while control each second switch group the 8th switch from be closed into disconnect；Second control Unit 52 processed controls each second switch from closure is disconnected to, together in first switch and the 8th switch before being closed into disconnection When control it is each 9th switch from be disconnected to closure；Third control unit 53, it is disconnected from being closed into first switch and the 8th switch It after opening, controls each third switch and disconnects from being closed into, while controlling each tenth switch and disconnecting from being closed into；4th control Unit 54 controls each 4th switch from closure is disconnected to, simultaneously in third switch and the tenth switch after being closed into disconnection Control it is each 11st switch from be disconnected to closure；5th control unit 55 is closed in second switch and the 9th switch from being disconnected to Before conjunction, control it is each 5th switch from be closed into disconnect；6th control unit 56, in the 5th switch from being closed into disconnection Afterwards, and second switch and the 9th switch before being disconnected to closure, control it is each 6th switch from be disconnected to closure；7th control Unit 57 processed, in the 5th switch after being closed into disconnection, and in the 6th switch before being disconnected to closure, control each 7th Switch from be closed into disconnect；8th control unit 58, the 5th switch before being closed into disconnection, control the first vacuum switch from It is disconnected to closure；In the 5th switch after being closed into disconnection, and in the 7th switch before being closed into disconnection, control first is true Be spaced apart pass from be closed into disconnect；In the 6th switch after being disconnected to closure, and in second switch and the 9th switch from being disconnected to Before closure, control the first vacuum switch from be disconnected to closure, while control the second vacuum switch from be disconnected to closure；First Switch and the 8th switch are after being closed into disconnection, and in third switch and the tenth switch before being closed into disconnection, control the One vacuum switch from be closed into disconnect, while control the second vacuum switch from be closed into disconnect；It is opened in the 4th switch and the 11st It closes after being disconnected to closure, the first vacuum switch of control controls the second vacuum switch from being disconnected to from being disconnected to closure Closure, solves and is needed in the loaded capacity-regulated switching group of vacuum in the related technology using multiple vacuum bubbles, the high problem of manufacturing cost, Capacity transfer is carried out by using the transformer switch group for only including six vacuum switches, and then has reached the outfit number for reducing vacuum bubbles Amount, reduces the effect of cost.
It optionally, also include respectively at three groups in transformer in transformer apparatus for adjusting capacity provided by the embodiments of the present application It opens the 12nd be arranged between the first end of the second coil in low-voltage side coil group and the first vacuum switch of first switch group In the case where pass, the device further include: the 17th control unit, in the first vacuum switch for the first time from being closed into disconnection Afterwards, and the 7th switch before being closed into disconnection, control the 12nd switch from be closed into disconnect；In the first vacuum switch and Two vacuum switches last time after being disconnected to closure, control the 12nd switch from be disconnected to closure.
The transformer apparatus for adjusting capacity includes processor and memory, above-mentioned first control unit 51, the second control unit 52, third control unit 53, the 4th control unit 54, the 5th control unit 55, the 6th control unit 56, the 7th control unit 57 It waits with the 8th control unit 58 and is stored in memory as program unit, executed on stored in memory by processor Program unit is stated to realize corresponding function.
Fig. 6 is the schematic diagram according to the transformer apparatus for adjusting capacity of the embodiment of the present application.As shown in fig. 6, the device includes: Nine control units 61, the tenth control unit 62, the 11st control unit 63, the 12nd control unit 64, the 13rd control unit 65, the 14th control unit 66, the 15th control unit 67, the 16th control unit 68.
Specifically, the 9th control unit 61, for controlling the first switch of each first switch group from closure is disconnected to, together When control each second switch group the 8th switch from be disconnected to closure；
Tenth control unit 62, for after being disconnected to closure, controlling each second in first switch and the 8th switch Switch from be closed into disconnect, while control it is each 9th switch from be closed into disconnect；
11st control unit 63, for before being disconnected to closure, controlling each the in first switch and the 8th switch Three switch from be disconnected to closure, while control it is each tenth switch from be disconnected to closure；
12nd control unit 64, for before being disconnected to closure, controlling each the in third switch and the tenth switch Four switch from be closed into disconnect, while control it is each 11st switch from be closed into disconnect；
13rd control unit 65, for after being closed into disconnection, controlling each the in second switch and the 9th switch Five switch from be disconnected to closure；
14th control unit 66, for being opened before being disconnected to closure, and in second switch and the 9th in the 5th switch Close after being closed into disconnection, control it is each 6th switch from be closed into disconnect；
15th control unit 67, in the 5th switch before being disconnected to closure, and in the 6th switch from being closed into After disconnection, control it is each 7th switch from be disconnected to closure；
16th control unit 68, for before being closed into disconnection, controlling first in the 4th switch and the 11st switch Vacuum switch from be closed into disconnect, while control the second vacuum switch from be closed into disconnect；Third switch and the tenth switch from It is disconnected to after closure, and controls the first vacuum switch from disconnection before being disconnected to closure in first switch and the 8th switch To closure, while the second vacuum switch is controlled from being disconnected to closure；In second switch and the 9th switch after being closed into disconnection, And the 6th switch before being closed into disconnection, control the first vacuum switch from be closed into disconnect, while control the second vacuum Switch from be closed into disconnect；In the 7th switch after being disconnected to closure, and in the 5th switch before being disconnected to closure, control First vacuum switch from be disconnected to closure；In the 5th switch after being disconnected to closure, the first vacuum switch of control is from being closed into It disconnects.
Transformer apparatus for adjusting capacity provided by the embodiments of the present application controls each first switch by the 9th control unit 61 Group first switch from be disconnected to closure, while control each second switch group the 8th switch from be disconnected to closure；Tenth control Unit 62 processed controls each second switch from disconnection is closed into, together in first switch and the 8th switch after being disconnected to closure When control it is each 9th switch from be closed into disconnect；11st control unit 63, in first switch and the 8th switch from being disconnected to Before closure, each third switch is controlled from being disconnected to closure, while controlling each tenth switch from being disconnected to closure；12nd Control unit 64, third switch and the tenth switch before being disconnected to closure, control it is each 4th switch from be closed into disconnect, Simultaneously control it is each 11st switch from be closed into disconnect；13rd control unit 65, in second switch and the 9th switch from closing After closing disconnection, control it is each 5th switch from be disconnected to closure；14th control unit 66, in the 5th switch from being disconnected to Before closure, and second switch and the 9th switch after being closed into disconnection, control it is each 6th switch from be closed into disconnect； 15th control unit 67, in the 5th switch before being disconnected to closure, and in the 6th switch after being closed into disconnection, control It is each 7th switch from be disconnected to closure；16th control unit 68, the 4th switch and the 11st switch from be closed into disconnect Before, control the first vacuum switch from be closed into disconnect, while control the second vacuum switch from be closed into disconnect；It is switched in third With the tenth switch after being disconnected to closure, and in first switch and the 8th switch before being disconnected to closure, control first is true Be spaced apart pass from be disconnected to closure, while control the second vacuum switch from be disconnected to closure；In second switch and the 9th switch from closing After closing disconnection, and before being closed into disconnection, the first vacuum switch is being controlled from disconnection is closed into, simultaneously in the 6th switch Control the second vacuum switch from be closed into disconnect；In the 7th switch after being disconnected to closure, and in the 5th switch from being disconnected to Before closure, control the first vacuum switch from be disconnected to closure；In the 5th switch after being disconnected to closure, the first vacuum is controlled Switch is solved and is needed in the loaded capacity-regulated switching group of vacuum in the related technology using multiple vacuum bubbles, manufacture from disconnection is closed into Problem at high cost carries out capacity transfer by using the transformer switch group for only including six vacuum switches, and then has reached reduction The outfit quantity of vacuum bubbles, reduces the effect of cost.
It optionally, also include respectively at three groups in transformer in transformer apparatus for adjusting capacity provided by the embodiments of the present application It opens the 12nd be arranged between the first end of the second coil in low-voltage side coil group and the first vacuum switch of first switch group In the case where pass, the device further include: the 18th control unit, in the first vacuum switch and the second vacuum switch first time Before being closed into disconnection, the 12nd switch of control is disconnected from being closed into, and is closed in the first vacuum switch last time from being disconnected to Before conjunction, and the 7th switch after being disconnected to closure, control the 12nd switch from be disconnected to closure.
Transformer apparatus for adjusting capacity includes processor and memory, above-mentioned 9th control unit 61, the tenth control unit 62, 11 control units 63, the 12nd control unit 64, the 13rd control unit 65, the control of the 14th control unit the 66, the 15th Unit 67, the 16th control unit 68 etc. store in memory as program unit, are stored in storage by processor execution Above procedure unit in device realizes corresponding function.
It should also be noted that, the terms "include", "comprise" or its any other variant are intended to nonexcludability It include so that the process, method, commodity or the equipment that include a series of elements not only include those elements, but also to wrap Include other elements that are not explicitly listed, or further include for this process, method, commodity or equipment intrinsic want Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including element There is also other identical elements in process, method, commodity or equipment.
The above is only embodiments herein, are not intended to limit this application.To those skilled in the art, Various changes and changes are possible in this application.It is all within the spirit and principles of the present application made by any modification, equivalent replacement, Improve etc., it should be included within the scope of the claims of this application.

Claims (10)

1. a kind of transformer switch group characterized by comprising
First switch group, is arranged in the low-pressure side of transformer, and the high-pressure side of the transformer is arranged in second switch group；
Wherein, the first switch group includes: the first vacuum switch, and the first end of first vacuum switch is provided with first Switch, is provided with second switch in the second end of first vacuum switch；Third switch, is arranged in first vacuum switch First end and transformer low-voltage side coil group in first coil first end between；4th switch, setting is described the Between the first end of one vacuum switch and the first end of the second coil in the low-voltage side coil group；First Transition resistance, if It sets between the second end of first vacuum switch and the first end of second coil；5th switch, setting is described the Between the first end of one coil and the first end of second coil；6th switch, is arranged in the first end of the first coil Between the second end of second coil；7th switch, be arranged in the first coil second end and second coil Second end between；
The second switch group includes: the second vacuum switch, and the first end of second vacuum switch is provided with the 8th switch, The second end of second vacuum switch is provided with the 9th switch；Tenth switch, is arranged in the of second vacuum switch Between one end and the phase line of transformer；11st switch, is arranged in the first end and high pressure neutral point of second vacuum switch Between；Second transition resistance is arranged between the second end of second vacuum switch and the high pressure neutral point.
2. transformer switch group according to claim 1, which is characterized in that the first switch group further include:
12nd switch, is arranged between the second end of first vacuum switch and the first end of second coil.
3. a kind of transformer, which is characterized in that including transformer switch group described in claim 1, comprising:
Three groups of low-voltage side coil groups, are arranged in the low-pressure side of iron core, and every group of low-voltage side coil group includes three groups of coils, the low pressure Tertiary coil in lateral coil group is arranged between the second end of first coil and phase line, and the first switch group is arranged at every group Between low-voltage side coil group and low pressure neutral point, wherein the first switch of the first switch group is arranged in first vacuum Between the first end and low pressure neutral point of switch, first vacuum switch is arranged in the second switch of the first switch group Between second end and low pressure neutral point；
Three groups of high-pressure side coil groups, are arranged in the high-pressure side of iron core, and every group of high-pressure side coil group includes one group of coil, and described second The first end of switching group is connect with the first end of one group of coil, one group of coil of the second end and adjacent phase of the second switch group Second end connection, the third end of the second switch group is connected to high pressure neutral point, wherein the 8th of the second switch group Switch is arranged between the first end of second vacuum switch and the first end of the high-pressure side coil group, the second switch 9th switch of group is arranged between the second end of second vacuum switch and the first end of the high-pressure side coil group.
4. transformer according to claim 3, which is characterized in that the transformer further include:
First vacuum of the first end and the first switch group of the second coil described in three groups in low-voltage side coil group respectively The 12nd switch being arranged between the second end of switch.
5. a kind of transformer capacity transfer method, which is characterized in that be applied to transformer as claimed in claim 3, comprising:
It controls the first switch of each first switch group and disconnects from being closed into, while controlling each second switch Group it is described 8th switch from be closed into disconnect；
In the first switch and the 8th switch before being closed into disconnection, each second switch is controlled from being disconnected to Closure, at the same control it is each it is described 9th switch from be disconnected to closure；
In the first switch and the 8th switch after being closed into disconnection, each third switch is controlled from being closed into Disconnect, at the same control it is each it is described tenth switch from be closed into disconnect；
In third switch and the tenth switch after being closed into disconnection, each 4th switch is controlled from being disconnected to Closure, at the same control it is each it is described 11st switch from be disconnected to closure；
In the second switch and the 9th switch before being disconnected to closure, each 5th switch is controlled from being closed into It disconnects；
It is described 5th switch after being closed into disconnection, and the second switch and it is described 9th switch from be disconnected to closure Before, control it is each it is described 6th switch from be disconnected to closure；
In the 5th switch after being closed into disconnection, and in the 6th switch before being disconnected to closure, control is each It is described 7th switch from be closed into disconnect；
In the 5th switch before being closed into disconnection, first vacuum switch is controlled from being disconnected to closure；
In the 5th switch after being closed into disconnection, and in the 7th switch before being closed into disconnection, described in control First vacuum switch from be closed into disconnect；In the 6th switch after being disconnected to closure, and in the second switch and institute The 9th switch is stated before being disconnected to closure, controls first vacuum switch from being disconnected to closure, while controlling described second Vacuum switch from be disconnected to closure；In the first switch and the 8th switch after being closed into disconnection, and described the Three switches and the tenth switch control first vacuum switch and disconnect from being closed into before being closed into disconnection, same to time control Make second vacuum switch from be closed into disconnect；In the 4th switch and the 11st switch after being disconnected to closure, control Make first vacuum switch from be disconnected to closure, while control second vacuum switch from be disconnected to closure.
6. according to the method described in claim 5, it is characterized in that, also including the low pressure described in three groups respectively in the transformer It is arranged between the second end of first vacuum switch of the first end of the second coil in lateral coil group and the first switch group In the case where 12nd switch, the method also includes:
In first vacuum switch for the first time after being closed into disconnection, and in the 7th switch from being closed into disconnection Before, control it is described 12nd switch from be closed into disconnect；First vacuum switch and second vacuum switch last It is secondary after being disconnected to closure, control it is described 12nd switch from be disconnected to closure.
7. a kind of transformer capacity transfer method, which is characterized in that be applied to transformer as claimed in claim 3, comprising:
The first switch of each first switch group is controlled from being disconnected to closure, while controlling each second switch Group it is described 8th switch from be disconnected to closure；
In the first switch and the 8th switch after being disconnected to closure, each second switch is controlled from being closed into Disconnect, at the same control it is each it is described 9th switch from be closed into disconnect；
In the first switch and the 8th switch before being disconnected to closure, each third switch is controlled from being disconnected to Closure, at the same control it is each it is described tenth switch from be disconnected to closure；
In third switch and the tenth switch before being disconnected to closure, each 4th switch is controlled from being closed into Disconnect, at the same control it is each it is described 11st switch from be closed into disconnect；
In the second switch and the 9th switch after being closed into disconnection, each 5th switch is controlled from being disconnected to Closure；
It is described 5th switch before being disconnected to closure, and the second switch and it is described 9th switch from be closed into disconnect Later, control it is each it is described 6th switch from be closed into disconnect；
In the 5th switch before being disconnected to closure, and in the 6th switch after being closed into disconnection, control is each It is described 7th switch from be disconnected to closure；
In the 4th switch and the 11st switch before being closed into disconnection, first vacuum switch is controlled from closure To disconnection, at the same control second vacuum switch from be closed into disconnect；It switchs in third switch and the described tenth from disconnected It reaches after closure, and controls first vacuum before being disconnected to closure in the first switch and the 8th switch Switch from be disconnected to closure, while control second vacuum switch from be disconnected to closure；In the second switch and described Nine switches before being closed into disconnection, control first vacuum and open after being closed into disconnection, and in the 6th switch Close from be closed into disconnect, while control second vacuum switch from be closed into disconnect；It closes in the 7th switch from being disconnected to After conjunction, and in the 5th switch before being disconnected to closure, first vacuum switch is controlled from being disconnected to closure；Institute The 5th switch is stated after being disconnected to closure, first vacuum switch is controlled and disconnects from being closed into.
8. the method according to the description of claim 7 is characterized in that also including the low pressure described in three groups respectively in the transformer It is arranged between the second end of first vacuum switch of the first end of the second coil in lateral coil group and the first switch group In the case where 12nd switch, the method also includes:
In first vacuum switch and second vacuum switch first time before being closed into disconnection, control the described 12nd Switch switchs before being disconnected to closure, and the described 7th from disconnection is closed into the first vacuum switch last time After being disconnected to closure, control it is described 12nd switch from be disconnected to closure.
9. according to a kind of transformer apparatus for adjusting capacity, which is characterized in that be applied to transformer as claimed in claim 3, comprising:
First control unit is disconnected for controlling the first switch of each first switch group from being closed into, same to time control Make each second switch group it is described 8th switch from be closed into disconnect；
Second control unit, for before being closed into disconnection, controlling each institute in the first switch and the 8th switch State second switch from be disconnected to closure, while control it is each it is described 9th switch from be disconnected to closure；
Third control unit, for after being closed into disconnection, controlling each institute in the first switch and the 8th switch State third switch from be closed into disconnect, while control it is each it is described tenth switch from be closed into disconnect；
4th control unit, for after being closed into disconnection, controlling each institute in third switch and the tenth switch State the 4th switch from be disconnected to closure, while control it is each it is described 11st switch from be disconnected to closure；
5th control unit, for before being disconnected to closure, controlling each institute in the second switch and the 9th switch State the 5th switch from be closed into disconnect；
6th control unit, in the 5th switch after being closed into disconnection, and in the second switch and described the Nine switch before being disconnected to closure, control it is each it is described 6th switch from be disconnected to closure；
7th control unit, in the 5th switch after being closed into disconnection, and in the 6th switch from being disconnected to Before closure, control it is each it is described 7th switch from be closed into disconnect；
8th control unit, for before being closed into disconnection, controlling first vacuum switch in the 5th switch from disconnected Reach closure；In the 5th switch after being closed into disconnection, and in the 7th switch before being closed into disconnection, control First vacuum switch from be closed into disconnect；In the 6th switch after being disconnected to closure, and in the second switch With the 9th switch before being disconnected to closure, first vacuum switch is controlled from being disconnected to closure, while described in controlling Second vacuum switch from be disconnected to closure；In the first switch and the 8th switch after being closed into disconnection, and in institute Third switch and the tenth switch are stated before being closed into disconnection, controls first vacuum switch from disconnection is closed into, together When control second vacuum switch from be closed into disconnect；In the 4th switch and the 11st switch from being disconnected to closure Afterwards, first vacuum switch is controlled from being disconnected to closure, while controlling second vacuum switch from being disconnected to closure.
10. according to a kind of transformer apparatus for adjusting capacity, which is characterized in that be applied to transformer as claimed in claim 3, comprising:
9th control unit, for controlling the first switch of each first switch group from being disconnected to closure, same to time control Make each second switch group it is described 8th switch from be disconnected to closure；
Tenth control unit, for after being disconnected to closure, controlling each institute in the first switch and the 8th switch State second switch from be closed into disconnect, while control it is each it is described 9th switch from be closed into disconnect；
11st control unit, for before being disconnected to closure, control to be each in the first switch and the 8th switch Third switch controls each tenth switch from being disconnected to closure from being disconnected to closure；12nd control unit, For before being disconnected to closure, controlling each 4th switch from being closed into third switch and the tenth switch Disconnect, at the same control it is each it is described 11st switch from be closed into disconnect；
13rd control unit, for after being closed into disconnection, control to be each in the second switch and the 9th switch It is described 5th switch from be disconnected to closure；
14th control unit, in the 5th switch before being disconnected to closure, and in the second switch and described 9th switch after being closed into disconnection, control it is each it is described 6th switch from be closed into disconnect；
15th control unit, for being switched before being disconnected to closure, and the described 6th from closure in the 5th switch To after disconnection, control it is each it is described 7th switch from be disconnected to closure；
16th control unit, for before being closed into disconnection, controlling institute in the 4th switch and the 11st switch State the first vacuum switch from be closed into disconnect, while control second vacuum switch from be closed into disconnect；It is opened in the third It closes and the tenth switch is after being disconnected to closure, and in the first switch and the 8th switch from being disconnected to closure Before, first vacuum switch is controlled from being disconnected to closure, while controlling second vacuum switch from being disconnected to closure；Institute It states second switch and the 9th switch switchs before being closed into disconnection after being closed into disconnection, and the described 6th, Control first vacuum switch from be closed into disconnect, while control second vacuum switch from be closed into disconnect；Described 7th switch controls first vacuum and opens after being disconnected to closure, and in the 5th switch before being disconnected to closure Close from be disconnected to closure；In the 5th switch after being disconnected to closure, it is disconnected from being closed into control first vacuum switch It opens.
CN201811519321.7A 2018-12-12 2018-12-12 Transformer switch group, transformer, and capacity adjusting method and device of transformer Active CN109637858B (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103219137A (en) * 2013-03-26 2013-07-24 国家电网公司 Self-adapted load type distribution transformer
CN103415904A (en) * 2011-03-18 2013-11-27 赖茵豪森机械制造公司 Load stepping switch
EP3024007A1 (en) * 2015-04-13 2016-05-25 ABB Technology Ltd A diverter switch of resistor type, a method for controlling the diverter switch, and an on-load tap changer including the diverter switch
CN107799286A (en) * 2017-06-15 2018-03-13 浙江宝威电气有限公司 A kind of new capacitance-adjustable transformer

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103415904A (en) * 2011-03-18 2013-11-27 赖茵豪森机械制造公司 Load stepping switch
CN103219137A (en) * 2013-03-26 2013-07-24 国家电网公司 Self-adapted load type distribution transformer
EP3024007A1 (en) * 2015-04-13 2016-05-25 ABB Technology Ltd A diverter switch of resistor type, a method for controlling the diverter switch, and an on-load tap changer including the diverter switch
CN107799286A (en) * 2017-06-15 2018-03-13 浙江宝威电气有限公司 A kind of new capacitance-adjustable transformer

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