CN204189594U - A kind of dry type loaded capacity-regulated transformer and capacity and pressure regulating transformer - Google Patents
A kind of dry type loaded capacity-regulated transformer and capacity and pressure regulating transformer Download PDFInfo
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- CN204189594U CN204189594U CN201420605927.3U CN201420605927U CN204189594U CN 204189594 U CN204189594 U CN 204189594U CN 201420605927 U CN201420605927 U CN 201420605927U CN 204189594 U CN204189594 U CN 204189594U
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Abstract
The utility model discloses a kind of dry type loaded capacity-regulated transformer and capacity and pressure regulating transformer, the former capacity transfer switching mechanism comprises each two the high pressure vacuum pipes corresponding to every phase high pressure winding and each three the low-voltage vacuum pipes corresponding to every phase low pressure winding, all high pressure vacuum pipes and low-voltage vacuum pipe are divided into greatly according to the similarities and differences of on off state, low capacity closes vacuum tube, and comprise correspond respectively to large, low capacity closes first of vacuum tube, second control piece, first, second control piece structure is identical, and it is contrary to arrange orientation, capacity-adjusting energy-storage mechanism when releasing energy by drive first, second control piece moves along equidirectional, complete and changed the switching action being closed the on off state of vacuum tube while Large Copacity closes the on off state of vacuum tube by the second control piece change low capacity by the first control piece.Transformer of the present utility model has the simple and compact advantage of structure.
Description
Technical field
The utility model relates to Dry-Transformer Technology field, particularly relates to a kind of dry type loaded capacity-regulated transformer and dry type loaded capacity regulating voltage regulating transformer.
Background technology
The saving energy and decreasing loss of electric power system is the important component part of building a conservation-minded society, and especially distribution system has a large capacity and a wide range, and the high-quality electricity consumption of its energy-saving and cost-reducing problem both relation huge numbers of families is again one of key factor directly affecting power supply enterprise's economic benefit.In order to realize the energy-saving and cost-reducing of distribution system, for season load, the electricity consumption occasion that changes greatly of daily load, capacitance-adjustable transformer can be adopted to carry out power distribution, and to reduce underloading loss, these electricity consumption occasions are such as rural area, downtown, Industry Development Area, road lamp system etc.
Capacitance-adjustable transformer has size two capacity, and it changes the connected mode of high pressure winding by high-voltage switch gear, and the mode being changed the number of turn of low pressure winding by low tension switch realizes the object of capacity transfer.The primary structure of capacitance-adjustable transformer as shown in Figures 1 to 4, A phase high pressure winding is connected between A phase HV Terminal PA and tie point X, B phase high pressure winding is connected between B phase HV Terminal PB and tie point Y, C phase high pressure winding is connected between C phase HV Terminal PC and tie point Z, tie point X, Y, Z are respectively connected a high-voltage switch gear K1 with between neutral point O, and are respectively connected a high-voltage switch gear K2 between tie point X with B phase HV Terminal PB, between tie point Y with C phase HV Terminal PC and between tie point Z with A phase HV Terminal; Three-phase low-voltage winding is connected between A phase low-voltage terminal Pa and neutral point o, between B phase low-voltage terminal Pb with neutral point o and between C phase low-voltage terminal Pc and neutral point o, every phase low pressure winding is formed around the home by one section of wire turn L1, two sections of wire turn L2 and three section of wire turn L3, and low tension switch K5 is connected between three sections of wire turn L3 with one section of wire turn L1, between two sections of wire turn L2 and neutral point o, be connected with low tension switch K3, and be connected with low tension switch K4 between two sections of wire turns and one section of wire turn.The capacity transfer principle of voltage regulating transformer is: as shown in figures 1 and 3, when Large Copacity, control high-voltage switch gear K2 to close, high-voltage switch gear K1 disconnects and makes three-phase high-voltage winding carry out triangle connection, and it is closed to control low tension switch K3, K5 simultaneously, low tension switch K4 connects with one section of wire turn L1 after disconnecting and making two sections of wire turn L2 and three sections of wire turn L3 parallel connections again; As shown in Figure 2 and Figure 4, when low capacity, control high-voltage switch gear K1 and close, high-voltage switch gear K2 disconnects and makes three-phase high-voltage winding carry out Y-connection, and it is closed to control low tension switch K4 simultaneously, low tension switch K3, K5 disconnect makes one section of wire turn L1, two sections of wire turn L2 and three section of wire turn L3 connect.When transformer is adjusted to low capacity by Large Copacity, the multiple that low pressure umber of turn be made to increase and high pressure winding make phase voltage reduce multiple because carrying out Y-connection is suitable, can ensure that output voltage is constant like this.
Capacitance-adjustable transformer comprises no-load capacitance-regulating transformer and loaded capacity-regulated transformer, existing loaded capacity-regulated transformer is the oil-immersed on-load capacitance-adjustable transformer that volume is larger substantially, research for the dry type loaded capacity-regulated transformer of small volume is less, this structure mainly due to the existing capacity transfer switching mechanism comprising above-mentioned high-voltage switch gear, low tension switch and switch control is comparatively complicated, and be arranged on an insulating cylinder, cause it cannot be applied in the dry type loaded capacity-regulated transformer of small volume, and then limit the development of dry type loaded capacity-regulated transformer.
Utility model content
The object of the utility model embodiment is to provide the simple and compact dry type loaded capacity-regulated transformer of a kind of structure and dry type loaded capacity regulating voltage regulating transformer.
To achieve these goals, the technical solution adopted in the utility model is: a kind of dry type loaded capacity-regulated transformer, comprise capacity transfer drive unit, capacity transfer transmission mechanism, capacity-adjusting energy-storage mechanism and capacity transfer switching mechanism, described capacity transfer drive unit drives the energy storage of described capacity-adjusting energy-storage mechanism by described capacity transfer transmission mechanism, and described capacity-adjusting energy-storage mechanism drives described capacity transfer switching mechanism to complete a switching action when releasing energy; described capacity transfer switching mechanism comprises each two the high pressure vacuum pipes corresponding to every phase high pressure winding and each three the low-voltage vacuum pipes corresponding to every phase low pressure winding, wherein, each high pressure vacuum pipe corresponding to every phase high pressure winding is that the Large Copacity that on off state is identical closes vacuum tube with each two the low-voltage vacuum pipes corresponding to three-phase low-voltage winding, all the other high pressure vacuum pipes and all the other low-voltage vacuum pipes are that the low capacity that on off state is identical closes vacuum tube, described capacity transfer switching mechanism also comprises and closes the first control piece of vacuum tube corresponding to described Large Copacity and correspond to described low capacity and close the second control piece of vacuum tube, described first control piece is identical with the structure of described second control piece, and it is contrary to arrange orientation, described capacity-adjusting energy-storage mechanism is moved along equidirectional by described first control piece of drive and described second control piece when releasing energy, complete and changed the switching action being closed the on off state of vacuum tube while Large Copacity closes the on off state of vacuum tube by the second control piece change low capacity by the first control piece.
Preferably, described first control piece is the first cam, described second control piece is the second cam, described first cam and the second cam are fixedly mounted on a power transmission shaft, described capacity-adjusting energy-storage mechanism by driving described drive axis 180 degree when releasing energy, is completed and is being changed the switching action being closed the on off state of vacuum tube while Large Copacity closes the on off state of vacuum tube by the second cam change low capacity by the first cam.
Preferably, described capacity transfer switching mechanism closes at each Large Copacity between the movable feeler lever of vacuum tube and the first corresponding cam, and close between the movable feeler lever of vacuum tube and the second corresponding cam at each low capacity, a guide post is respectively set, described guide post is connected along radially sliding of described power transmission shaft with insulation lead, and described insulation lead is fixedly mounted on the housing of described transformer.
Preferably, described first cam and the second cam are symmetrical cam, and the nearly end of stopping of described first cam and the second cam is positioned on the symmetry axis of described first cam and the second cam with end of stopping far away.
Preferably, described first control piece is the first step trough, described second control piece is the second step trough, described Large Copacity closes the movable feeler lever of vacuum tube by the first sliding shoe and described first step trough sliding connection, and described low capacity closes the movable feeler lever of vacuum tube by the second sliding shoe and described second step trough sliding connection.
Preferably, described first sliding shoe and described the second sliding shoe are roller.
Preferably, all first step troughs are formed on the first control board, all second ladder grooves are formed on the second control board, described capacity-adjusting energy-storage mechanism by driving described first control board and described second control board to move along equidirectional when releasing energy, is completed and is being changed the switching action being closed the on off state of vacuum tube while Large Copacity closes the on off state of vacuum tube by the second step trough change low capacity by the first step trough.
To achieve these goals, the technical solution adopted in the utility model is: a kind of dry type loaded capacity regulating voltage regulating transformer, comprise pressure adjusting structure and loaded capacity-regulated structure, described loaded capacity-regulated structure comprises capacity transfer drive unit, capacity transfer transmission mechanism, capacity-adjusting energy-storage mechanism and capacity transfer switching mechanism, described capacity transfer drive unit drives the energy storage of described capacity-adjusting energy-storage mechanism by capacity transfer transmission mechanism, and described capacity-adjusting energy-storage mechanism drives described capacity transfer switching mechanism to complete a switching action when releasing energy; described capacity transfer switching mechanism comprises each two the high pressure vacuum pipes corresponding to every phase high pressure winding and each three the low-voltage vacuum pipes corresponding to every phase low pressure winding, wherein, each high pressure vacuum pipe corresponding to every phase high pressure winding is that the Large Copacity that on off state is identical closes vacuum tube with each two the low-voltage vacuum pipes corresponding to three-phase low-voltage winding, all the other high pressure vacuum pipes and all the other low-voltage vacuum pipes are that the low capacity that on off state is identical closes vacuum tube, described capacity transfer switching mechanism also comprises and closes the first control piece of vacuum tube corresponding to described Large Copacity and correspond to described low capacity and close the second control piece of vacuum tube, described first control piece is identical with the structure of described second control piece, and it is contrary to arrange orientation, described capacity-adjusting energy-storage mechanism is moved along equidirectional by described first control piece of drive and described second control piece when releasing energy, complete and changed the switching action being closed the on off state of vacuum tube while Large Copacity closes the on off state of vacuum tube by the second control piece change low capacity by the first control piece.
Preferably, described pressure adjusting structure adopts Non-excitation distributive.
The beneficial effects of the utility model are, dry type loaded capacity-regulated transformer of the present utility model and loaded capacity regulating voltage regulating transformer adopt high pressure vacuum pipe and low-voltage vacuum pipe to form capacity transfer switching mechanism, due to the switching deciliter realizing on off state that vacuum tube is by controlling moving contact and fixed contact, therefore according to the similarities and differences of on off state, all vacuum tubes are carried out to the design dividing into groups can simplify switch control, this just makes whole capacity transfer switching mechanism have the simple and compact advantage of structure, and then the simple and compact dry type loaded capacity-regulated transformer of structure and loaded capacity regulating voltage regulating transformer can be obtained.
Accompanying drawing explanation
Fig. 1 shows three-phase high-voltage winding and corresponds to jumbo syndeton;
Fig. 2 shows the syndeton that three-phase high-voltage winding corresponds to low capacity;
Fig. 3 shows three-phase low-voltage winding and corresponds to jumbo syndeton;
Fig. 4 shows the syndeton that three-phase high-voltage winding corresponds to low capacity;
Fig. 5 shows the structural representation of a kind of execution mode according to dry type loaded capacity-regulated transformer described in the utility model, and the state of capacity transfer switching mechanism is wherein corresponding with the syndeton of Fig. 1 and Fig. 3;
Fig. 6 shows the structural representation of a kind of execution mode according to dry type loaded capacity-regulated transformer described in the utility model, and the state of capacity transfer switching mechanism is wherein corresponding with the syndeton of Fig. 2 and Fig. 4;
Fig. 7 shows the make position point that high pressure vacuum pipe is closed of the first cam;
Fig. 8 shows the disconnected position point that high pressure vacuum pipe is separated of the first cam;
Fig. 9 shows the structural representation of another kind of first control piece;
Figure 10 shows the structural representation of another kind of second control piece.
Description of reference numerals:
K1, K2: high-voltage switch gear; K3, K4, K5: low tension switch;
PA:A phase HV Terminal; PB:B phase HV Terminal;
PC:C phase HV Terminal; Pa:A phase low-voltage terminal;
Pb:B phase low-voltage terminal; Pc:C phase low-voltage terminal;
X, Y, Z: tie point; O, o: neutral point;
L1: one section of wire turn; L2: two sections of wire turns;
L3: three sections of wire turns; K31, K32: high pressure vacuum pipe;
K33, K34, K35: low-voltage vacuum pipe; 1: capacity transfer drive unit;
2: capacity-adjusting energy-storage mechanism; 3: capacity transfer switching mechanism;
31: power transmission shaft; 321: the first cams;
322: the second cams; 35: insulation lead;
36: guide post; 381-first step trough;
382-second step trough; 391-first sliding shoe;
392-the second sliding shoe.
Embodiment
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the utility model, and can not being interpreted as restriction of the present utility model.
In order to the dry type loaded capacity-regulated transformer providing a kind of structure simple and compact, the utility model provides a kind of capacity transfer switching mechanism being applicable to dry type loaded capacity-regulated transformer, referring to figs. 1 through the transformer capacity transfer principle shown in Fig. 4, as shown in Figure 5 and Figure 6, capacity transfer switching mechanism of the present utility model comprises each two the high pressure vacuum pipe K31 corresponding to every phase high pressure winding, K32 and each three the low-voltage vacuum pipe K33 corresponding to every phase low pressure winding, K34, K35, therefore, A, B, C three-phase high-voltage winding arranges six high pressure vacuum pipes altogether, A, B, C three-phase low-voltage winding arranges nine low-voltage vacuum pipes altogether, wherein, corresponding to each high pressure vacuum pipe K32 (replacing the high pressure vacuum pipe of the high-voltage switch gear K2 in Fig. 1 and Fig. 2) of every phase high pressure winding and each two the low-voltage vacuum pipe K33 corresponding to three-phase low-voltage winding, K35 (replaces the low tension switch K3 in Fig. 3 and Fig. 4, the low-voltage vacuum pipe of K5) close vacuum tube for the Large Copacity that on off state is identical, all the other high pressure vacuum pipes K31 (replacing the high pressure vacuum pipe of the high-voltage switch gear K1 in Fig. 1 with Fig. 2) and all the other low-voltage vacuum pipes K34 (the low-voltage vacuum pipe of the low tension switch K4 in replacement Fig. 3 with Fig. 4) closes vacuum tube for the low capacity that on off state is identical, this capacity transfer switching mechanism also comprises and closes the first control piece of vacuum tube corresponding to Large Copacity and correspond to low capacity and close the second control piece of vacuum tube, because Large Copacity closes vacuum tube and low capacity, to close the on off state of vacuum tube just the opposite, therefore, design above-mentioned first control piece and the second control piece is the control piece of same structure, but make when mounted the two to arrange orientation contrary, i.e. the two setting party's phasic difference 180 degree.On this basis, the operating principle of dry type loaded capacity-regulated transformer of the present utility model is: when needs carry out capacity transfer, controller controls capacity transfer drive unit 1 and drives capacity-adjusting energy-storage mechanism 2 energy storage by capacity transfer transmission mechanism (not shown), making capacity-adjusting energy-storage mechanism 2 drive when releasing energy the first control piece and the second control piece to move along equidirectional, completing and being changed the switching action being closed the on off state of vacuum tube while Large Copacity closes the on off state of vacuum tube by the second control piece change low capacity by the first control piece.
Referring to Fig. 5 and Fig. 6, composition graphs 1 to Fig. 4 illustrates the capacity transfer principle of dry type loaded capacity-regulated transformer of the present utility model: when low capacity becomes Large Copacity, by the synchronization action of the first control piece and the second control piece, while control injectron K32 is closed, control injectron K31 disconnect, be converted to triangle to make three-phase high-voltage winding by Y-connection to connect, simultaneously, by the synchronization action of the first control piece and the second control piece, at control low tension switch pipe K33, control low tension switch pipe K34 while K35 is closed to disconnect, to make low pressure winding by one section of wire turn L1, the State Transferring of two sections of wire turn L2 and three section of wire turn L3 series connection is the state of connecting with one section of wire turn L1 again after two sections of wire turn L2 and three sections of wire turn L3 parallel connections.When Large Copacity diminishes capacity, by the synchronization action of the second control piece and the first control piece, while control injectron K31 is closed, control injectron K32 disconnect, Y-connection is converted to by triangle connection to make three-phase high-voltage winding, simultaneously, by the synchronization action of the second control piece and the first control piece, low tension switch pipe K33 is controlled while control low tension switch pipe K34 is closed, K35 end is opened, be one section of wire turn L1 to make low pressure winding by the State Transferring of connecting with one section of wire turn L1 again after two sections of wire turn L2 and three sections of wire turn L3 parallel connections, the state that two sections of wire turn L2 and three section of wire turn L3 connect.
Due to vacuum tube have that bearing capacity is strong, the strong and long service life of connecting-disconnecting function, therefore, dry type loaded capacity-regulated transformer of the present utility model also correspondingly has the advantage of the reliable and long service life of transfiguration; In addition, due to the switching deciliter realizing on off state that vacuum tube is by controlling moving contact and fixed contact, therefore according to the similarities and differences of on off state, all vacuum tubes are carried out to the design dividing into groups can simplify switch control, and the space saved for arranging high and low pressure switch and corresponding switch control, this just makes whole capacity transfer switching mechanism have the simple and compact advantage of structure, and then can design the dry type loaded capacity-regulated transformer met the demands.
As shown in Figure 5 and Figure 6, above-mentioned first control piece can be the first cam 321, above-mentioned second control piece can be the second cam 322, first cam 321 and the second cam 322 have identical structure and are and have identical contour curve, first cam 321 and the second cam 322 are fixedly mounted on a power transmission shaft 31, and setting party's phasic difference 180 degree, capacity-adjusting energy-storage mechanism rotates 180 degree when releasing energy by drive power transmission shaft 31, complete and change by the second cam 322 switching action that low capacity closes the on off state of vacuum tube being changed while Large Copacity closes the on off state of vacuum tube by the first cam 321.For the first cam 321, as shown in Figure 7, axle center far away the stopping farthest that power transmission shaft 31 is turning to the distance power transmission shaft 31 making the first cam 321 is held with the movable feeler lever of high pressure vacuum pipe K31 on time, and moving contact and the fixed contact of this high pressure vacuum pipe K31 are in closure state; As shown in Figure 8, the movable feeler lever of the nearly not end (differing 180 degree with far away not end) that power transmission shaft 31 is nearest in the axle center turning to the distance power transmission shaft 31 making the first cam 321 and high pressure vacuum pipe K31 is on time, and moving contact and the fixed contact of this high pressure vacuum pipe K31 are in separated position.
As shown in Figure 7 and Figure 8, capacity transfer switching mechanism of the present utility model can close between the movable feeler lever of vacuum tube and the first corresponding cam 321 at each Large Copacity, and close between the movable feeler lever of vacuum tube and the second corresponding cam 322 at each low capacity, a guide post 36 is respectively set, guide post 36 is connected along radially sliding of power transmission shaft 31 with insulation lead 35, and this insulation lead 35 can be fixedly mounted on the housing of transformer.This kind of structure is conducive to being controlled accurately vacuum tube by cam.
First cam 321 and the second cam 322 are symmetrical cam, and the nearly end of stopping of the first cam 321 and the second cam 322 is positioned on the symmetry axis of the first cam 321 and the second cam 322 with end of stopping far away.Under this kind of structure, controller is when judging to need to carry out capacity transfer, only need move in a similar direction according to identical control program control capacity transfer drive unit and can complete each capacity switching, this can be understood as when needing to carry out capacity transfer at every turn, power transmission shaft is only needed to rotate 180 degree along identical direction, without the need to according to being switched to low capacity by Large Copacity and switching to Large Copacity by low capacity, arrange and control power transmission shaft 31 and rotate clockwise 180 degree and rotate counterclockwise 180 degree two and overlap control program.
Above-mentioned first control piece also can be the first step trough 381 as shown in Figure 9, accordingly, above-mentioned second control piece can be the second step trough 382 as shown in Figure 10, closed, the separated position of the corresponding vacuum tube of high and low step surface difference of step trough, Large Copacity closes the movable feeler lever of vacuum tube by the first sliding shoe 391 and the first step trough sliding connection, and low capacity closes the movable feeler lever of vacuum tube by the second sliding shoe 392 and the second step trough sliding connection.Like this, capacity-adjusting energy-storage mechanism is moved along equidirectional by drive first step trough 381 and the second step trough 382 when releasing energy, and Large Copacity can be made to close vacuum tube and low capacity and close vacuum tube and complete rightabout state and switch.
In order to reduce the frictional force between vacuum tube movable feeler lever with corresponding step trough, above-mentioned first sliding shoe 391 and the second sliding shoe 392 can adopt roller.
In order to make the structure of capacity transfer switching mechanism compacter, all first step troughs 381 can be made to be formed on the first control board, and make all second step troughs 382 be formed on the second control board, like this, capacity-adjusting energy-storage mechanism is moved along equidirectional by drive first control board and the second control board when releasing energy, and can complete and change by the second step trough 382 switching action that low capacity closes the on off state of vacuum tube being changed while Large Copacity closes the on off state of vacuum tube by the first step trough 381.Now, Large Copacity closes vacuum tube and low capacity and closes vacuum tube and only need divide two row's spread configurations.
The basis of above-mentioned dry type loaded capacity-regulated transformer increases existing pressure adjusting structure and can obtain dry type loaded capacity regulating voltage regulating transformer, this pressure adjusting structure such as adopts Non-excitation distributive, pressure adjusting structure generally includes pressure regulation drive unit, pressure regulation transmission mechanism, pressure regulation mechanism, pressure regulation diverter switch and tap selector, when carrying out pressure regulation, controller controls pressure regulation drive unit and drives the action of pressure regulation transmission mechanism, pressure regulation transmission mechanism makes pressure regulation mechanism carry out energy storage while drive tap selector carries out tap selection, after tap selector selection terminates, pressure regulation mechanism drives pressure regulation diverter switch to complete tap conversion by releasing energy.
Structure of the present utility model, feature and action effect is described in detail above according to graphic shown embodiment; the foregoing is only preferred embodiment of the present utility model; but the utility model does not limit practical range with shown in drawing; every change done according to conception of the present utility model; or be revised as the Equivalent embodiments of equivalent variations; do not exceed yet specification with diagram contain spiritual time, all should in protection range of the present utility model.
Claims (9)
1. a dry type loaded capacity-regulated transformer, comprise capacity transfer drive unit, capacity transfer transmission mechanism, capacity-adjusting energy-storage mechanism and capacity transfer switching mechanism, described capacity transfer drive unit drives the energy storage of described capacity-adjusting energy-storage mechanism by described capacity transfer transmission mechanism, and described capacity-adjusting energy-storage mechanism drives described capacity transfer switching mechanism to complete a switching action when releasing energy; it is characterized in that, described capacity transfer switching mechanism comprises each two the high pressure vacuum pipes corresponding to every phase high pressure winding and each three the low-voltage vacuum pipes corresponding to every phase low pressure winding, wherein, each high pressure vacuum pipe corresponding to every phase high pressure winding is that the Large Copacity that on off state is identical closes vacuum tube with each two the low-voltage vacuum pipes corresponding to three-phase low-voltage winding, all the other high pressure vacuum pipes and all the other low-voltage vacuum pipes are that the low capacity that on off state is identical closes vacuum tube, described capacity transfer switching mechanism also comprises and closes the first control piece of vacuum tube corresponding to described Large Copacity and correspond to described low capacity and close the second control piece of vacuum tube, described first control piece is identical with the structure of described second control piece, and it is contrary to arrange orientation, described capacity-adjusting energy-storage mechanism is moved along equidirectional by described first control piece of drive and described second control piece when releasing energy, complete and changed the switching action being closed the on off state of vacuum tube while Large Copacity closes the on off state of vacuum tube by the second control piece change low capacity by the first control piece.
2. dry type loaded capacity-regulated transformer according to claim 1, it is characterized in that, described first control piece is the first cam, described second control piece is the second cam, described first cam and the second cam are fixedly mounted on a power transmission shaft, described capacity-adjusting energy-storage mechanism by driving described drive axis 180 degree when releasing energy, is completed and is being changed the switching action being closed the on off state of vacuum tube while Large Copacity closes the on off state of vacuum tube by the second cam change low capacity by the first cam.
3. dry type loaded capacity-regulated transformer according to claim 2, it is characterized in that, described capacity transfer switching mechanism closes at each Large Copacity between the movable feeler lever of vacuum tube and the first corresponding cam, and close between the movable feeler lever of vacuum tube and the second corresponding cam at each low capacity, a guide post is respectively set, described guide post is connected along radially sliding of described power transmission shaft with insulation lead, and described insulation lead is fixedly mounted on the housing of described transformer.
4. the dry type loaded capacity-regulated transformer according to Claims 2 or 3, it is characterized in that, described first cam and the second cam are symmetrical cam, and the nearly end of stopping of described first cam and the second cam is positioned on the symmetry axis of described first cam and the second cam with end of stopping far away.
5. dry type loaded capacity-regulated transformer according to claim 1, it is characterized in that, described first control piece is the first step trough, described second control piece is the second step trough, described Large Copacity closes the movable feeler lever of vacuum tube by the first sliding shoe and described first step trough sliding connection, and described low capacity closes the movable feeler lever of vacuum tube by the second sliding shoe and described second step trough sliding connection.
6. dry type loaded capacity-regulated transformer according to claim 5, is characterized in that, described first sliding shoe and described the second sliding shoe are roller.
7. the dry type loaded capacity-regulated transformer according to claim 5 or 6, it is characterized in that, all first step troughs are formed on the first control board, all second ladder grooves are formed on the second control board, described capacity-adjusting energy-storage mechanism by driving described first control board and described second control board to move along equidirectional when releasing energy, is completed and is being changed the switching action being closed the on off state of vacuum tube while Large Copacity closes the on off state of vacuum tube by the second step trough change low capacity by the first step trough.
8. a dry type loaded capacity regulating voltage regulating transformer, comprise pressure adjusting structure and loaded capacity-regulated structure, described loaded capacity-regulated structure comprises capacity transfer drive unit, capacity transfer transmission mechanism, capacity-adjusting energy-storage mechanism and capacity transfer switching mechanism, described capacity transfer drive unit drives the energy storage of described capacity-adjusting energy-storage mechanism by capacity transfer transmission mechanism, and described capacity-adjusting energy-storage mechanism drives described capacity transfer switching mechanism to complete a switching action when releasing energy; it is characterized in that, described capacity transfer switching mechanism comprises each two the high pressure vacuum pipes corresponding to every phase high pressure winding and each three the low-voltage vacuum pipes corresponding to every phase low pressure winding, wherein, each high pressure vacuum pipe corresponding to every phase high pressure winding is that the Large Copacity that on off state is identical closes vacuum tube with each two the low-voltage vacuum pipes corresponding to three-phase low-voltage winding, all the other high pressure vacuum pipes and all the other low-voltage vacuum pipes are that the low capacity that on off state is identical closes vacuum tube, described capacity transfer switching mechanism also comprises and closes the first control piece of vacuum tube corresponding to described Large Copacity and correspond to described low capacity and close the second control piece of vacuum tube, described first control piece is identical with the structure of described second control piece, and it is contrary to arrange orientation, described capacity-adjusting energy-storage mechanism is moved along equidirectional by described first control piece of drive and described second control piece when releasing energy, complete and changed the switching action being closed the on off state of vacuum tube while Large Copacity closes the on off state of vacuum tube by the second control piece change low capacity by the first control piece.
9. dry type loaded capacity regulating voltage regulating transformer according to claim 8, is characterized in that, described pressure adjusting structure adopts Non-excitation distributive.
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| CN201420605927.3U CN204189594U (en) | 2014-10-20 | 2014-10-20 | A kind of dry type loaded capacity-regulated transformer and capacity and pressure regulating transformer |
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| CN104282424A (en) * | 2014-10-20 | 2015-01-14 | 合肥景喜电气设备有限公司 | Dry on-load capacity-adjusting transformer and capacity-voltage-adjusting transformer |
| CN105321744A (en) * | 2015-10-26 | 2016-02-10 | 浙江宝威电气有限公司 | On-load capacity-regulating switch for transformer |
| CN105788902A (en) * | 2016-04-20 | 2016-07-20 | 浙江宝威电气有限公司 | Capacity modulating switch for lightning-protection type capacity modulating transformer |
| CN105826098A (en) * | 2016-04-20 | 2016-08-03 | 浙江宝威电气有限公司 | Capacity regulating switch applied to capacity regulating transformer and used for resisting three-phase unbalance |
| CN109659121A (en) * | 2018-12-12 | 2019-04-19 | 国网北京市电力公司 | Transformer switch group, transformer, transformer capacity transfer method and device |
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2014
- 2014-10-20 CN CN201420605927.3U patent/CN204189594U/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104282424A (en) * | 2014-10-20 | 2015-01-14 | 合肥景喜电气设备有限公司 | Dry on-load capacity-adjusting transformer and capacity-voltage-adjusting transformer |
| CN105321744A (en) * | 2015-10-26 | 2016-02-10 | 浙江宝威电气有限公司 | On-load capacity-regulating switch for transformer |
| CN105321744B (en) * | 2015-10-26 | 2019-07-26 | 浙江宝威电气有限公司 | The loaded capacity-regulated switch of transformer |
| CN105788902A (en) * | 2016-04-20 | 2016-07-20 | 浙江宝威电气有限公司 | Capacity modulating switch for lightning-protection type capacity modulating transformer |
| CN105826098A (en) * | 2016-04-20 | 2016-08-03 | 浙江宝威电气有限公司 | Capacity regulating switch applied to capacity regulating transformer and used for resisting three-phase unbalance |
| CN105788902B (en) * | 2016-04-20 | 2018-07-13 | 浙江宝威电气有限公司 | A kind of capacitance switch of lighning proof type capacitance-adjustable transformer |
| CN109659121A (en) * | 2018-12-12 | 2019-04-19 | 国网北京市电力公司 | Transformer switch group, transformer, transformer capacity transfer method and device |
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