CN208433634U - A kind of angular group converter transformer valve side connection outlet structure - Google Patents

Abstract

The utility model provides a kind of angular group converter transformer valve side connection outlet structure, including valve lateral brace insulator (6), the first pipe mother conductive fixture (32), the 5th pipe bus clip (40), jumper pipe female (7) and its installation stationary fixture, it forms a fixed connection between valve lateral brace insulator (6) and jumper pipe female (7) installation stationary fixture, jumper pipe mother (7) installation stationary fixture is connect with the 5th pipe bus clip (40)；The first pipe mother conductive fixture (32) is fixedly mounted on jumper pipe female (7), is formed and is conductively connected by conducting connecting part (33) between the first pipe mother conductive fixture (32) and the 5th pipe bus clip (40).The utility model can effectively solve most while column pipe parent phase it is angular be shorted downlead and while be mutually not easily controlled to the electrical distance drawn between online of the change of current valve tower outlet the problem of, the security reliability for improving the angular group converter transformer valve outgoing line of converter station, has outstanding advantages of good appearance, easy to implement.

Description

A kind of angular group converter transformer valve side connection outlet structure

Technical field

The utility model relates to converter transformer valve sides to connect outlet structure design field, change more particularly, to a kind of angular group Rheology valve side connects outlet structure.

Background technique

In ± 800kV ultra-high voltage converter station, two group of 12 concatenated mode of connection of pulse conversion valve tower is generallyd use, often 12 pulsation valve group of group is arranged in a valve hall.A, the valve side set of the converter power transformer (referred to as " change of current change ", similarly hereinafter) of B, C three-phase Pipe is inserted directly into inside valve hall, and be connected to the change of current valve tower of one-to-one A, B, C three-phase of phase sequence by pipe bus respectively Connecting terminal.This one-to-one mode of connection of phase sequence is although easy to operate, still, protects system for the valve control of change of current valve tower For system, in order to guarantee the trigger sequence of change of current valve tower, need to change the logic-controlled sequential in valve control protection system software, this Safe operation actually to change of current valve tower brings some potential safety problems, thus reduces the reliable for operation of change of current valve tower Property.

For the ultra-high voltage converter station in conventional low earthquake intensity area, since the horizontal acceleration of earthquake is small, change of current valve tower Corresponding hunting range is smaller under earthquake operating condition, and the wiring radian of the connection flexible circuit conductor of suspension insulator can offset converter valve The earthquake displacement between value side bushing that the connecting terminal of tower and the change of current become.But for being in high earthquake intensity, as earthquake is strong Not less than 8 degree areas of degree, ultra-high voltage converter station, since site earthquake intensity is high, displacement of the converter valve under earthquake operating condition compared with Greatly.For example, by actual emulation analytical calculation, for high earthquake intensity area 800kV ultra-high voltage converter station, high-end 800kV Earthquake amplitude of fluctuation at the connecting terminal of converter valve is likely to be breached 1.5m.Obviously, soft the leading of conventional suspension insulator connection The wiring radian of line cannot meet the antidetonation needs of the converter valve of high earthquake intensity area.Simultaneously as 800kV change of current valve tower This body weight is 4-5t, if using the connection type of conventional suspension insulator connection flexible circuit conductor, due to suspension insulator The flexible circuit conductor nargin of connection limits the earthquake displacement of change of current valve tower, and therefore, the earthquake stress of change of current valve tower can be soft by connecting Conducting wire directly pulls the value side bushing of change of current change, thus may cause the connecting terminal damage of the value side bushing of change of current change.

In addition, the change of current of A, B, C three-phase becomes in conventional ultra-high voltage converter station converter transformer valve outgoing line structural design scheme It is that suspension tubular busbar bottom insulation is linked to by six division flexible circuit conductors, the lead of six division flexible circuit conductors is longer, suspention Pipe mother while the downlead that is mutually shorted and while be mutually not easily controlled to the electrical distance of change of current valve tower outlet drawn between online, suspend in midair The swing (especially under earthquake operating condition) of pipe mother may cause six division flexible circuit conductors adjacent at this and mutually collide, to influence The security reliability of converter transformer valve side connection outlet.

Utility model content

Technical problem to be solved by the utility model is: in view of the problems of the existing technology, providing a kind of angular group Converter transformer valve side connects outlet structure, improves the security reliability of converter transformer valve side connection outlet.

The technical problems to be solved in the utility model is realized using following technical scheme: a kind of angular group converter transformer valve Side connects outlet structure, including valve lateral brace insulator, the first pipe mother conductive fixture, the 5th pipe bus clip, jumper pipe it is female and its Stationary fixture is installed, the valve lateral brace insulator and jumper pipe mother install to form a fixed connection between stationary fixture, it is described across The female installation stationary fixture of adapter tube is connect with the 5th pipe bus clip；First pipe mother's conductive fixture, institute are fixedly mounted on jumper pipe mother It states to be formed between the first pipe mother conductive fixture and the 5th pipe bus clip by conducting connecting part and be conductively connected.

Preferably, it includes pipe mother fixed plate, fixed charge method end plate and to wearing bolt that the jumper pipe mother, which installs stationary fixture, described Opposite two pieces of thirty years of age of pipe mother's fixed plate setting, it is described to wearing opposite thirty years of age of the two pieces of pipe mother's fixed plates of bolt-through, and lead to It crosses pipe mother's fixing plate clamp and fastens jumper pipe mother.

Preferably, the valve lateral brace insulator top is fixedly connected with the first insulator flange disk, the fixed charge method end plate It is fixedly connected with the first mounting seat, is formed between the first insulator flange disk and the first mounting seat by connecting bolt Dismountable fixed connection structure.

Preferably, first mounting seat is connect with voltage equalizing ball support, and the voltage equalizing ball support is connect with voltage equalizing ball, institute State voltage equalizing ball cladding the first pipe mother conductive fixture, conducting connecting part.

Preferably, the circular groove to match with jumper pipe mother outer diameter is set in the pipe mother fixed plate.

Preferably, the jumper pipe mother installs stationary fixture and is fixedly connected with support frame, installs ten thousand in support frame end To connector, it is bolted between the universal joint and the 5th pipe bus clip.

Preferably, first pipe mother's conductive fixture is arranged two, and is separately mounted to jumper pipe mother and installs fixing clamp The opposite end of tool.

Preferably, the conducting connecting part is electric telescopic copper bar.

Compared with prior art, the utility model has the beneficial effects that the change of current becomes no longer in converter transformer valve outgoing line structure It is to link to suspension tubular busbar bottom insulation by six division flexible circuit conductors, therefore, the utility model can efficiently solve most side The angular short circuit downlead of column pipe parent phase and side are mutually not easily controlled to the electrical distance of change of current valve tower outlet drawn between online The problem of, it efficiently avoids because the lead of six division flexible circuit conductors is longer, column pipe master pendulum moves (especially under earthquake operating condition) institute The problems such as caused adjacent six divisions flexible circuit conductor mutually collides, is conducive to improve the angular group converter transformer valve outgoing line of converter station Security reliability, not only good appearance, and also it is easy to implement.

Detailed description of the invention

The plane figure of Fig. 1 connection structure between change of current change and change of current valve tower.

The top view of Fig. 2 connection structure between change of current change and change of current valve tower.

The side view of Fig. 3 connection structure between change of current change and change of current valve tower.

Fig. 4 is the structural schematic diagram of upper cradle head fitting.

Fig. 5 is the structural schematic diagram of lower cradle head fitting.

Fig. 6 is the partial enlarged view in Fig. 2 at D.

Fig. 7 is the F-F direction view in Fig. 6.

Fig. 8 is the partial enlarged view in Fig. 2 at E.

Fig. 9 is the H-H direction view in Fig. 8.

Figure 10 is the partial enlarged view in Fig. 2 at K.

Figure 11 is the P-P direction view in Figure 10.

Component token name claims in figure: the 1- change of current becomes, and the 1A-A phase change of current becomes, and the 1B-B phase change of current becomes, and the 1C-C phase change of current becomes, on 2- Value side bushing, value side bushing under 3-, 4- flexible circuit conductor, the first suspension insulator of 5-, 6- valve lateral brace insulator, 6A-A phase valve side Support insulator, 6B-B phase valve lateral brace insulator, 6C-C phase valve lateral brace insulator, 7- jumper pipe is female, and 8- column pipe is female, 9- First pipe is female, 10- cradle head fitting, and the second pipe of 11- is female, 12- change of current valve tower, 12A-A phase change of current valve tower, the 12B-B phase change of current Valve tower, 12C-C phase change of current valve tower, 13- third pipe is female, 14- hanger, the second suspension insulator of 15-, and the 4th pipe of 16- is female, 17- Pipe mother fixation fitting, 18- the first pipe bus clip, 19- bulb mounting base, 20- voltage equalizing ball support, 21- connection hangers, 22- are pressed Ball, 23- first connecting rod, 24- the second pipe bus clip, the second connecting rod of 25-, 26- third connecting rod, the 4th connecting rod of 27-, 28- third pipe bus clip, the 5th connecting rod of 29-, the 4th pipe bus clip of 30-, the 6th connecting rod of 31-, the first pipe of 32- are female conductive Fixture, 33- conducting connecting part, 34- fixed charge method end plate, 35- pipe mother's fixed plate, the first mounting seat of 36-, 37- the first insulator method Blue disk, 38- is to wearing bolt, 39- universal joint, the 5th pipe bus clip of 40-, 41- support frame, the first wire clamp of 42-, and 43- is led Electricity Federation fishplate bar, the second mounting seat of 44-, 45- the second insulator flange disk, 46- supporting element, the second wire clamp of 47-, 48- Six pipe bus clips, 49- conduction plug, 50- pre-bending conducting wire, 51- the second pipe mother's conductive fixture, 52- pipe mother block lid, 53- casing Terminal clip, 54- value side bushing grading shield, 55- fastening bolt, the upper cradle head fitting of 101-, cradle head fitting under 102-.

Specific embodiment

In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, with reference to the accompanying drawing and specifically The utility model is described in detail in embodiment.It should be appreciated that specific embodiment described herein is only used to explain this Utility model is not used to limit the utility model.

Connection structure between converter station change of current change and change of current valve tower as shown in Figure 1, Figure 2, Figure 3 shows, mainly include the change of current become 1, Jumper pipe mother 7, column pipe mother 8 and change of current valve tower 12, it includes A, B, C three-phase that the change of current, which becomes 1, is respectively corresponded labeled as A phase The change of current becomes the change of current of 1A, B phase and becomes 1B and C phase change of current change 1C, and the C phase change of current therein change 1C is defined as the side phase change of current and is become.Described Change of current valve tower 12 also includes A, B, C three-phase, respectively corresponds and changes labeled as A phase change of current valve tower 12A, B phase change of current valve tower 12B with C phase Flow valve tower 12C.The column pipe mother 8 is connect by the first suspension insulator 5 with hanger 14, the A phase change of current valve tower 12A, B phase change of current valve tower 12B, the C phase change of current valve tower 12C are connect with hanger 14 respectively.

Wherein, under the conductive plug inside the upper value side bushing 2 in the A phase change of current change 1A becomes in 1B with the B phase change of current It is formed and is conductively connected by jumper pipe mother 7 between conductive plug inside value side bushing 3, the B phase change of current becomes the upper valve in 1B Conductive plug inside side casing 2 and the C phase change of current become between the conductive plug inside the lower value side bushing 3 in 1C and by across Adapter tube mother 7, which is formed, to be conductively connected.The A phase change of current becomes conductive plug and column pipe mother 8 inside the lower value side bushing 3 in 1A Between formed and be conductively connected by flexible circuit conductor 4, the conductive plug inside upper value side bushing 2 that the C phase change of current becomes in 1C is also It is conductively connected by being formed between flexible circuit conductor 4 and column pipe mother 8.The B phase change of current will be connected to become between 1B and C phase change of current change 1C Jumper pipe mother 7 and the connecting terminal in the middle part of B phase change of current valve tower 12B between formed be conductively connected, will be connected to the B phase change of current become 1B with Formation is conductively connected between the A phase change of current jumper pipe mother 7 become between 1A and the connecting terminal in the middle part of A phase change of current valve tower 12A, by A It is formed between the conductive plug inside lower value side bushing 3 that the phase change of current becomes in 1A and the connecting terminal in the middle part of C phase change of current valve tower 12C It is conductively connected, electrical connection is then formed by third pipe mother 13 between the connecting terminal of 12 bottom of change of current valve tower.

After above-mentioned connection structure, it can make to be formed between A phase change of current change 1A and A phase change of current valve tower 12A corresponding It is conductively connected, forms corresponding conductive connection between B phase change of current change 1B and B phase change of current valve tower 12B, the C phase change of current becomes 1C and C phase and changes Form corresponding conductive connection between stream valve tower 12C, this change of current become 1 arrangement phase sequence and change of current valve tower 12 arrangement phase sequence it Between not correspond and be actually electrically connected the one-to-one mode of connection of phase sequence, without change change of current valve tower 12 valve control Logic-controlled sequential in protection system can guarantee the trigger sequence of converter valve tower 12, easy to operate, improve change of current valve tower The security reliability of 12 operations.

In view of being focused under earthquake operating condition certainly for the jumper pipe mother 7 has larger shadow to the terminal of converter transformer valve side sleeve It rings, for the stress of the terminal of the value side bushing of reduction change of current change, can become between 1A and B phase change of current change 1B in the A phase change of current, C phase The change of current, which becomes between 1C and B phase change of current change 1B, is respectively set valve lateral brace insulator 6, and is supported by valve lateral brace insulator 6 Jumper pipe mother 7.Furthermore, it is contemplated that it is usually by pipe mother come shape that the connecting terminal at 12 middle part of change of current valve tower and the change of current, which become between 1, At conductive connection, become the conductive plug inside the lower value side bushing 3 in 1A in order to facilitate the A phase change of current and between column pipe mother 8 It is conductively connected, 1A valve side can be become in the A phase change of current and valve lateral brace insulator 6 is set, thus need to be arranged 3 valve lateral brace insulation Son 6.For convenience of description, the phase sequence of the sequence of this 3 valve lateral brace insulators 6 and change of current valve tower 12 is labeled as to consistent, difference It is denoted as A phase valve lateral brace insulator 6A, B phase valve lateral brace insulator 6B, C phase valve lateral brace insulator 6C.It is exhausted in valve lateral brace 6 top of edge can be fixedly connected with the fixed fitting 17 of pipe mother, and the fixed fitting 17 of pipe mother is propped up by valve lateral brace insulator 6 Support can be convenient wiring operation, improve wiring operating efficiency.For example, as shown in Figure 1, the A phase change of current becomes the lower valve side in 1A Conductive plug inside casing 3 can pass through the fixed fitting 17 of the pipe mother at the top of flexible circuit conductor 4 and C phase valve lateral brace insulator 6C Between formed and be conductively connected, between the fixed fitting 17 of the pipe mother at the top of the C phase valve lateral brace insulator 6C and column pipe mother 8 It can also be formed and be conductively connected by flexible circuit conductor 4.

Since the conduction connecting structure formed by pipe mother is Hard link structure, poor seismic behavior.In order to enhance the change of current The anti-seismic performance of valve tower 12, can be using rotation connection structure between change of current change and converter valve as shown in Figure 1, Figure 2, Figure 3 shows, extremely Few phase change of current, which becomes between the change of current valve tower 12 of 1 corresponding conductive connection, increases setting cradle head fitting 10 and the second suspention Insulator 15.It normally, is divided between each phase change of current change 1 that the 3 phase changes of current become in 1 and its mutual corresponding change of current valve tower 12 Independent cradle head fitting 10 and the second suspension insulator 15 are not set, that is, become 1A and C phase change of current valve tower 12C in the A phase change of current Between, the B phase change of current become 1B and A phase change of current valve tower 12A between, the C phase change of current become 1C and B phase change of current valve tower 12B between respectively Independent cradle head fitting 10 and the second suspension insulator 15 are set.The cradle head fitting 10 includes upper cradle head Fitting 101 and lower cradle head fitting 102, form between the upper cradle head fitting 101 and lower cradle head fitting 102 The movable connection structure of relative rotation.The A phase change of current becomes the corresponding lower cradle head fitting 102 of 1A, upper rotation is closed Conductive connection is sequentially formed between section fitting 101, C phase change of current valve tower 12C, the B phase change of current becomes corresponding lower turn of 1B Movable joint fitting 102, upper cradle head fitting 101 sequentially form conductive connection, the C phase between A phase change of current valve tower 12A The change of current become the corresponding lower cradle head fitting 102 of 1C, upper cradle head fitting 101, between B phase change of current valve tower 12B successively It is formed and is conductively connected.

The upper cradle head fitting 101 preferably use structure as shown in Figure 4, mainly include first connecting rod 23, Second connecting rod 25 and third connecting rod 26, the first connecting rod 23 respectively with the second connecting rod 25, third connecting rod 26 Form the movable connection structure relatively rotated.Specifically, one end of the first connecting rod 23 is connect with bulb mounting base 19, institute The one end for stating third connecting rod 26 forms rotation bulb, the rotation bulb in the bulb mounting base 19 and third connecting rod 26 Between form the spherical hinge structure of relative rotation.One end of second connecting rod 25 forms U-joint, the U-joint with The articulated structure relatively rotated is formed by pin shaft between first connecting rod 23；Alternatively, the middle part of the first connecting rod 23 with Bulb mounting base 19 connects, and one end of second connecting rod 25 forms rotation bulb, and the rotation bulb and bulb are installed The spherical hinge structure of relative rotation is formed between seat 19.

Mechanical connection between upper cradle head fitting 101 and the second suspension insulator 15 for convenience, can will wherein First connecting rod 23 connected with hangers 21 is connect, the connection hangers 21 connect with the second suspension insulator 15.For convenience The external electrical connection of upper cradle head fitting 101, second connecting rod 25 is connect with the second pipe bus clip 24, described Third connecting rod 26 connect with the first pipe bus clip 18, between the first pipe bus clip 18 and the second pipe bus clip 24 lead to It crosses flexible circuit conductor 4 and forms electrical connection；Preferably, pre- arch structure is set on the flexible circuit conductor 4.

The lower cradle head fitting 102 preferably use structure as shown in Figure 5, mainly include the 4th connecting rod 27, 5th connecting rod 29 and the 6th connecting rod 31 form relative rotation between the 4th connecting rod 27 and the 5th connecting rod 29 Movable connection structure.Further, one end of the 4th connecting rod 27 is connect with bulb mounting base 19, the 5th connecting rod 29 one end forms rotation bulb, and the spherical hinge structure of relative rotation is formed between rotation bulb and the bulb mounting base 19. Alternatively, one end of the 4th connecting rod 27 forms U-joint, lead between 29 one end of the U-joint and the 5th connecting rod It crosses pin shaft and forms the articulated structure relatively rotated.5th connecting rod 29 and the 6th connecting rod 31 are connected with each other；It is preferred that Ground is fixedly connected between the 5th connecting rod 29 and the 6th connecting rod 31 and forms L-shaped structure.

The external electrical connection of lower cradle head fitting 102 for convenience, the 4th connecting rod 27 and third pipe are female Wire clamp 28 connects, and the 6th connecting rod 31 is connect with the 4th pipe bus clip 30, the third pipe bus clip 28 and the 4th Electrical connection is formed by flexible circuit conductor 4 between pipe bus clip 30；Preferably, pre- arch structure is set on the flexible circuit conductor 4.

The change of current become 1 between corresponding cradle head fitting 10, the second suspension insulator 15, change of current valve tower 12, it is described One end of second suspension insulator 15 connect with hanger 14, the connection hangers 21 on the other end and upper cradle head fitting 101 Connection.The connecting terminal at 12 middle part of change of current valve tower passes through the second pipe mother 11 and the second pipe in upper cradle head fitting 101 It is formed and is conductively connected between bus clip 24, the first pipe bus clip 18 in the upper cradle head fitting 101 is female by the 4th pipe 16 and lower cradle head fitting 102 in third pipe bus clip 28 between formed be conductively connected, the lower cradle head fitting 102 In the 4th pipe bus clip 30 connect by the first pipe mother 9 with the fixed fitting 17 of pipe mother, the pipe mother fixation fitting 17 passes through Valve lateral brace insulator 6 is supported, and is then formed by third pipe mother 13 between the connecting terminal of 12 bottom of change of current valve tower Electrical connection.

The electric field where upper cradle head fitting 101, lower cradle head fitting 102 causes because uneven in order to prevent Corona discharge can be such that the first connecting rod 23 in cradle head fitting 101 connect with voltage equalizing ball support 20, the voltage equalizing ball Support 20 is connect with voltage equalizing ball 22, as shown in Figure 4.Similarly, make the 4th connecting rod 27 in lower cradle head fitting 102 with Voltage equalizing ball support 20 connects, and the voltage equalizing ball support 20 is connect with voltage equalizing ball 22, as shown in Figure 5.By the way that voltage equalizing ball 22 is arranged Can be with uniform electric field, being effectively prevented leads to corona discharge because electric field is uneven.

By using upper cradle head fitting 101, lower cradle head fitting 102, and upper cradle head fitting 101 with The movable connection structure of relative rotation is formed between lower cradle head fitting 102, under earthquake operating condition, change of current valve tower 12 is not Equidirectional earthquake swing translates into cradle head fitting 101, lower cradle head fitting 102 in the vertical and horizontal direction Rotation, and earthquake displacement amplitude upper cradle head fitting 101, lower cradle head fitting 102 allow slewing area with It is interior, so as to mitigate even offset change of current valve tower 12 earthquake displacement, ensure that change of current valve tower 12 valve tower connecting terminal and The change of current becomes the stress of 1 value side bushing within the allowable range, efficiently solves change of current valve tower 12, the change of current becomes the electrical equipments such as 1 In the safe and reliable problem of electrical connection of the excessive earthquake amplitude of oscillation of high earthquake intensity area, change of current valve tower 12, the change of current is made to become 1 etc. electrically The anti-seismic performance of equipment is effectively improved.

In order to improve the security reliability that the change of current becomes 1 valve side connection outlet, 1 valve side of rheology can be exchanged and connect out knot Structure is constructed as follows:

Outlet structure is connected for angular group converter transformer valve side, as shown in Fig. 2, Fig. 6, Fig. 7, including the insulation of valve lateral brace Son 6, jumper pipe mother 7 and its installation stationary fixture, the first pipe mother conductive fixture 32 and the first mounting seat 36 and the 5th pipe are female Wire clamp 40, the installation stationary fixture of the jumper pipe mother 7 include pipe mother fixed plate 35, fixed charge method end plate 34 and to wearing bolt 38.It will The top of the valve lateral brace insulator 6 is fixedly connected with the first insulator flange disk 37, the first insulator flange disk 37 Dismountable fixed connection structure is formed by connecting bolt between the first mounting seat 36.Jumper pipe mother 7 is female using pipe It forms a fixed connection between fixed plate 35, fixed charge method end plate 34 and the first mounting seat 36.

Specifically, two pieces of opposite thirty years of age can be set in the pipe mother fixed plate 35, in each piece of pipe mother fixed plate 35 On be preferably provided the circular groove to match with female 7 outer diameters of jumper pipe；First by two pieces of pipe mother fixed plates 35 it is opposite and on the spot Jumper pipe mother 7 is clamped, recycles to bolt 38 is worn through opposite thirty years of age of two pieces of pipe mother fixed plates 35, can be fixed by pipe mother Plate 35 has been fixedly clamped jumper pipe mother 7；The fixed charge method end plate 34 is solid with pipe mother fixed plate 35, the first mounting seat 36 respectively Fixed connection, so as to which jumper pipe mother 7 to be fixedly installed to the top of the valve lateral brace insulator 6.

In actual installation operation, first fixed charge method end plate 34 can also be fixedly connected with the first mounting seat 36, then by its In one piece of pipe mother fixed plate 35 be fixedly connected with fixed charge method end plate 34, install bridging in the pipe mother fixed plate 35 fixed Pipe mother 7；Then, another piece of pipe mother fixed plate 35 is pushed down into jumper pipe mother 7, and by running through opposite thirty years of age to wearing bolt 38 Jumper pipe mother 7 can be fixedly installed to the top of the valve lateral brace insulator 6 by two pieces of pipe mother fixed plates 35.

In order to facilitate the flexible connection of jumper pipe mother 7, and guarantee conductive security, reliable, it can be in the first mounting seat 36 On be fixedly connected with support frame 41, certainly, support frame as described above 41 can also be directly fixedly connected with fixed charge method end plate 34；In support frame 41 Universal joint 39 is installed in end, is bolted between the universal joint 39 and the 5th pipe bus clip 40, in jumper pipe mother 7 Upper that the first pipe mother conductive fixture 32 has been fixedly mounted by connecting bolt, the first pipe mother conductive fixture 32 is preferably provided Two, and it is separately mounted to the opposite end of fixed charge method end plate 34, to increase the conductive current-carrying capacity of jumper pipe mother 7.Described first It is formed and is conductively connected by conducting connecting part 33 between pipe mother conductive fixture 32 and the 5th pipe bus clip 40.The conductive connection Part 33 preferably uses electric telescopic copper bar, certain to guarantee to have between the first pipe mother conductive fixture 32 and the 5th pipe bus clip 40 Flexible nargin, it is ensured that the security reliability of conductive connection.

Conductive connect is formed between first pipe mother 9 corresponding to the 5th pipe bus clip 40 and A phase change of current valve tower 12A It connects, the universal joint 39 can provide certain activity nargin for the 5th pipe bus clip 40, to improve jumper pipe mother 7 and the The anti-seismic performance of conduction connecting structure between one pipe mother 9.Wherein, first mounting seat 36 can also be with voltage equalizing ball support 20 connections, the voltage equalizing ball support 20 are connect with voltage equalizing ball 22, and the voltage equalizing ball 22 coats first pipe mother's conductive fixture 32, conducting connecting part 33, as shown in Figure 6, Figure 7.By setting voltage equalizing ball 22 can uniform electric field well, be effectively prevented Lead to corona discharge because electric field is uneven.

Outlet structure is connected for side phase converter transformer valve side, as shown in Fig. 2, Fig. 8, Fig. 9, including the insulation of side phase valve lateral brace Son, the second mounting base 44, conductive attachment plate 43,42 and of conducting connecting part 33, the 6th pipe bus clip 48 and the first wire clamp Second wire clamp 47.For convenience of description, side phase valve lateral brace insulator herein is set as C phase valve lateral brace insulator 6C. The top of C phase valve lateral brace insulator 6C is fixedly connected with the second insulator flange disk 45, the second insulator flange disk 45 and second form dismountable fixed connection structure by connecting bolt between mounting seat 44.The conductive attachment plate 43 Be fixedly connected with the second mounting seat 44, it is preferable that the L-shaped structure of conductive attachment plate 43, two end respectively with First wire clamp 42, the second wire clamp 47, which are formed, to be conductively connected.First wire clamp 42, the second wire clamp 47 Dismountable fixed connection structure, the 6th pipe bus clip can be formed by connection bolt and conductive attachment plate 43 respectively 48 are mounted in the second mounting base 44.

Installation interference occurs in order to prevent, setting branch can be increased between the second mounting base 44 and the 6th pipe bus clip 48 Support member 46, the supporting element 46 preferably use " 7 " character form structure, and one end is fixedly connected with the second mounting base 44, supporting element 46 other ends are then connect with the 6th pipe bus clip 48.It is possible to further first installing universal joint 39 on supporting element 46, then make It is bolted between the universal joint 39 and the 6th pipe bus clip 48, as shown in Fig. 9.It, can by the way that universal joint 39 is arranged So that the 6th pipe bus clip 48 has certain activity nargin, to improve its anti-seismic performance.

It is formed and is conductively connected by flexible circuit conductor 4 between first wire clamp 42 and column pipe mother 8, described second Wire clamp 47, which is become by the flexible circuit conductor 4 and A phase change of current between the conductive plug inside the lower value side bushing 3 of 1A, forms conductive connect It connects, is formed and be conductively connected between the first pipe mother 9 corresponding to the 6th pipe bus clip 48 and C phase change of current valve tower 12C, it is described Conductive attachment plate 43 pass through between conducting connecting part 33 and the 6th pipe bus clip 48 formed be conductively connected, the conductive connection Part 33 preferably uses electric telescopic copper bar, to guarantee to have between the 6th pipe bus clip 48 and conductive attachment plate 43 certain stretch Nargin, it is ensured that the security reliability of conductive connection.In addition, second mounting base 44 can also connect with voltage equalizing ball support 20 It connects, the voltage equalizing ball support 20 is connect with voltage equalizing ball 22, the 22 coated with conductive gusset piece 43 of voltage equalizing ball, conducting connecting part 33, as shown in Figure 8, Figure 9.By setting voltage equalizing ball 22 can uniform electric field well, be effectively prevented due to electric field is uneven Lead to corona discharge.

Connecting line construction is bridged for converter transformer valve side sleeve, as shown in Fig. 2, Figure 10, Figure 11, including converter transformer valve side set Pipe, jumper pipe mother 7 and the second pipe mother conductive fixture 51 and pre-bending conducting wire 50.For convenience of description, converter transformer valve side set herein Pipe is set as the upper value side bushing 2 that the A phase change of current becomes in 1A.The external port of the jumper pipe mother 7 blocks lid 52 using pipe mother and seals, Dismountable fixed connection structure is formed by fastening bolt 55 between the second pipe mother conductive fixture 51 and jumper pipe mother 7, Described 50 one end of pre-bending conducting wire forms cyclic structure and the annular through-hole of its end is passed through for jumper pipe mother 7；The pre-bending conducting wire The conductive plug being conductively connected, inside the other end and upper value side bushing 2 is formed between 50 one end and the second pipe mother conductive fixture 51 It is formed and is conductively connected between 49.Preferably, the end elder generation fixed connecting sleeve terminal clip 53 of the conductive plug 49, then make to cover It is formed and is conductively connected between pipe terminal clip 53 and pre-bending conducting wire 50.One end of the pre-bending conducting wire 50 preferentially forms as " 9 " word Shape circular ring structure, and the circular ring shape through-hole of its end is passed through for jumper pipe mother 7.Further, 50 one end shape of pre-bending conducting wire At by the several layers spring-like structures that annulus forms side by side, the jumper pipe mother 7 is run through the spring-like structures, is such as schemed 10, shown in Figure 11.It is designed using such structure, is on the one hand conducive to save wiring space, on the other hand also advantageously improve The activity nargin of jumper pipe mother 7 is conducive to the safety reliability for improving its electrical connection to enhance its anti-seismic performance.

After bridging connecting line construction using above-mentioned converter transformer valve side sleeve, converter transformer valve side sleeve is not subjected to pipe mother's load Weight, jumper pipe is female to form movable connection structure between converter transformer valve side sleeve, so as in extreme operating conditions such as earthquakes Under remain to provide relatively movable space, to avoid between converter transformer valve side sleeve terminal and jumper pipe mother due to stress and Damage effectively improves safety, the reliability of converter transformer valve side connection outlet.

Lead to corona discharge to be effectively prevented 51 place position of the second pipe mother conductive fixture because electric field is uneven, it can To be fixedly connected with voltage equalizing ball support 20 on the second pipe mother conductive fixture 51, the voltage equalizing ball support 20 and voltage equalizing ball 22 connect It connects, the voltage equalizing ball 22 coats the second pipe mother conductive fixture 51, voltage equalizing ball support 20, also opens up confession in 22 bottom of voltage equalizing ball Pre-bending conducting wire 50 is pierced by the through-hole of voltage equalizing ball 22.Similarly, in order to be effectively prevented 53 place position of casing terminal clip because of electricity Field is uneven and leads to corona discharge, upper 2 end of value side bushing can be connect with value side bushing grading shield 54, and the valve 54 coated with conductive plug 49 of side casing grading shield, casing terminal clip 53 also open up at 54 top of value side bushing grading shield for pre- Curved conducting wire 50 pierces into the through-hole of value side bushing grading shield 54, as shown in Figure 10, Figure 11.

The angular group converter transformer valve outgoing line structure of above-mentioned converter station, good appearance is easy to implement, can effectively solve Certainly most while column pipe parent phase it is angular be shorted downlead and while do not allow to the electrical distance drawn between online of change of current valve tower outlet mutually Manageable problem, and improve the security reliability of the angular group converter transformer valve outgoing line of converter station.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, and should refer to Out, any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention etc. should all include It is within the protection scope of the utility model.

Claims (8)

1. a kind of angular group converter transformer valve side connects outlet structure, it is characterised in that: including valve lateral brace insulator (6), the One pipe mother conductive fixture (32), the 5th pipe bus clip (40), jumper pipe female (7) and its installation stationary fixture, the valve lateral brace It forms a fixed connection between insulator (6) and jumper pipe female (7) installation stationary fixture, the jumper pipe female (7) installs fixing clamp Tool is connect with the 5th pipe bus clip (40)；It is fixedly mounted the first pipe mother conductive fixture (32) on jumper pipe female (7), described first It is formed and is conductively connected by conducting connecting part (33) between pipe mother conductive fixture (32) and the 5th pipe bus clip (40).

2. a kind of angular group converter transformer valve side according to claim 1 connects outlet structure, it is characterised in that: it is described across Taking over female (7) installation stationary fixture includes pipe mother fixed plate (35), fixed charge method end plate (34) and to wearing bolt (38), and the pipe mother is solid Opposite two pieces of thirty years of age of fixed board (35) setting, it is described to run through opposite thirty years of age two pieces of pipe mother's fixed plates to wearing bolt (38) (35), and it is female (7) by pipe mother fixed plate (35) jumper pipe that is fixedly clamped.

3. a kind of angular group converter transformer valve side according to claim 2 connects outlet structure, it is characterised in that: the valve Lateral brace insulator (6) top is fixedly connected with the first insulator flange disk (37), the fixed charge method end plate (34) and the first installation Pedestal (36) is fixedly connected, and passes through connection bolt shape between the first insulator flange disk (37) and the first mounting seat (36) At dismountable fixed connection structure.

4. a kind of angular group converter transformer valve side according to claim 3 connects outlet structure, it is characterised in that: described the One mounting seat (36) is connect with voltage equalizing ball support (20), and the voltage equalizing ball support (20) connect with voltage equalizing ball (22), described equal Pressure ball (22) coats the first pipe mother conductive fixture (32), conducting connecting part (33).

5. according to a kind of described in any item angular group converter transformer valve side connection outlet structures of claim 2-4, feature exists In: the circular groove to match with female (7) outer diameter of jumper pipe is set on the pipe mother fixed plate (35).

6. a kind of angular group converter transformer valve side according to claim 1-4 connects outlet structure, feature exists In: the jumper pipe female (7) installation stationary fixture is fixedly connected with support frame (41), is installed in support frame (41) end universal Connector (39) is bolted between the universal joint (39) and the 5th pipe bus clip (40).

7. a kind of angular group converter transformer valve side according to claim 1-4 connects outlet structure, feature exists In: the first pipe mother conductive fixture (32) is arranged two, and is separately mounted to the phase of jumper pipe female (7) installation stationary fixture To both ends.

8. a kind of angular group converter transformer valve side according to claim 1-4 connects outlet structure, feature exists In: the conducting connecting part (33) is electric telescopic copper bar.