CN208580740U - A kind of converter valve module built in arrester - Google Patents

A kind of converter valve module built in arrester Download PDF

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Publication number
CN208580740U
CN208580740U CN201820547748.7U CN201820547748U CN208580740U CN 208580740 U CN208580740 U CN 208580740U CN 201820547748 U CN201820547748 U CN 201820547748U CN 208580740 U CN208580740 U CN 208580740U
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CN
China
Prior art keywords
thyristor
reactor
arrester
converter valve
module
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Withdrawn - After Issue
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CN201820547748.7U
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Chinese (zh)
Inventor
高冲
王治翔
周建辉
盛财旺
张静
谢剑
李云鹏
王航
张娟娟
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Global Energy Interconnection Research Institute
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Global Energy Interconnection Research Institute
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Abstract

The utility model provides the converter valve module built in a kind of arrester, and arrester is arranged in the side of thyristor press-assembling structure, will greatly reduce the occupied volume of converter valve module.Meanwhile arrester is arranged in parallel with thyristor press-assembling structure, the both ends of the arrester in the first main module are respectively the first current potential and the second current potential, and the both ends of the arrester in the second main module are respectively the second current potential and third current potential.The first shielding case of shield assemblies and the first current potential of the arrester inside first main module are fixed;Third shielding case and the third current potential of the arrester inside second main module are fixed;Second current potential of the secondary shielding cover respectively with the arrester inside first main module and second main module is fixed.The current potential of shielding case is fixed on except main circuit, the current potential of Shielding tensor and thyristor in main circuit is mutually isolated, and then will greatly reduce the degree of irregularity of the partial pressure of the thyristor inside thyristor press-assembling structure.

Description

A kind of converter valve module built in arrester
Technical field
The utility model relates to converter valve module technical fields, and in particular to the converter valve mould built in a kind of arrester Block.
Background technique
Converter valve valve tower is the core component of AC to DC in extra-high voltage direct-current transmission, direct current change exchange.It is existing at present Converter valve valve tower be multiple valve modules lifting form, in valve tower loong shunt protection of arrester converter valve component not by thunder and lightning Damage.
Customary DC power transmission engineering constructs converter valve using thyristor as core devices, and converter valve includes main circuit, touching Hair and monitoring system etc., wherein main circuit is made of thyristor, absorbing circuit, equalizing resistance and equalizing capacitance etc..
In the prior art, the current potential of converter valve shielding case is fixed on the main circuit, and the direct-to-ground capacitance of shielding case can be right at this time The voltage's distribiuting of thyristor in main circuit generates uneven influence.And for converter valve valve tower, thyristor is converter valve The core component of ac-dc conversion needs to be separately provided the components such as saturable reactor, damping resistance, damping capacitor to protect brilliant lock Pipe is opened shutdown and is not damaged.Therefore need to reduce influence of the shielding case to thyristor to reduce thyristor voltage publication unevenness Situation.
Utility model content
Therefore, the technical problem to be solved by the present invention is to overcome the shielding of converter valve module in the prior art Cover the defect of the non-uniform influence of the voltage's distribiuting caused by thyristor.
For this purpose, the utility model provides the converter valve module built in a kind of arrester, comprising:
Main module, including the first main module and the second main module being connected to each other, first main module includes: first main Module frame;Several are mounted on the first main module lower portion and the first thyristor press fitting knot arranged side by side each other Structure, the first gate leve unit, the first damping capacitor and the first arrester;Two of first arrester in first main module End is respectively the first current potential and the second current potential;
Second main module includes: the second main mould block frame;Several are mounted on the second main module lower portion And the second thyristor press-assembling structure, the second gate leve unit, the second damping capacitor and the second arrester being arranged side by side each other;It is described The both ends of second arrester are respectively the second current potential and third current potential;
Reactor module, in the main module two sides, the reactor module includes the first reactor module and for setting Two reactor modules, first reactor module include: the first reactor frame, are connected to the first main mould block frame On;First reactor and the second reactor are disposed side by side on the first reactor lower portion;
Second reactor module includes: the second reactor frame, is connected on the second main mould block frame;Third Reactor and the 4th reactor are disposed side by side on the second reactor lower portion.
Shield assemblies are connected to outside the main module and the reactor module, and the shield assemblies include: First current potential of the first arrester inside one shielding case, with first main module is fixed;Third shielding case, with described second The third current potential of the second arrester inside main module is fixed;Secondary shielding cover is kept away with first arrester and second respectively Second current potential of thunder device is fixed.
Between the first main mould block frame and the first reactor frame, the second main mould block frame and described the Be attached between two reactor frames by damper, the damper to weaken the reactor module be transferred to it is described Vibration on main module.
First thyristor press-assembling structure side is provided with first arrester, first thyristor press-assembling structure The other side is provided with first damping capacitor and the first gate leve unit;The setting of second thyristor press-assembling structure side There is second arrester, second thyristor press-assembling structure other side is provided with second damping capacitor and described second Gate leve unit;
First thyristor press-assembling structure and first arrester, second thyristor press-assembling structure and described the Water-cooling system is provided between two arresters.The water-cooling system includes: to be connected to first thyristor press-assembling structure and institute The thyristor press fitting water pipe on the second thyristor press-assembling structure is stated, and is connected to first reactor module and the second reactance Reactor water pipe in device module.
First thyristor press-assembling structure and second thyristor press-assembling structure include: thyristor component, the crystalline substance Brake tube component side is provided with equalizing resistance;Several insulated pull rods, the extending direction of the insulated pull rod and the thyristor The extending direction of component is consistent;The movable end plate and fixed charge method end plate being oppositely arranged, the both ends difference of several insulated pull rods It is connected on the movable end plate and fixed charge method end plate, the activity end plate, fixed charge method end plate and the insulated pull rod are formed to hold Receive the accommodating chamber of the thyristor component;
The thyristor component includes: the radiator that several are arranged along same linear array, is radiated described in adjacent two panels Thyristor is provided between device;The damping resistance radiating area for damping resistance installation is provided on the radiator, and, with The corresponding thyristor radiating area of the thyristor;Coolant flow channel is arranged inside the radiator, and coolant liquid is along the cooling Flow passage, coolant liquid flow into the thyristor radiating area first, the damping resistance radiating area are then flowed into, to connection The thyristor and the damping resistance on the radiator are cooled down.
The radiator is different from being provided with inlet and liquid outlet, the two neighboring heat dissipation on the side wall of the thyristor Device is one another in series to form radiator group, and coolant liquid is flowed by the inlet of one of them radiator, to the radiator into After row is cooling from the inlet that liquid outlet flows out and flow into another radiator, and finally go out from described in the radiator It is flowed out in liquid mouth.
The damping resistance radiating area is arranged above the thyristor, and the damping resistance is removably mounted on described On damping resistance radiating area.
When the damping resistance is mounted on the damping resistance radiating area, the outer surface of the damping resistance and the heat dissipation The flush with outer surface of device is arranged.
The damping resistance includes: insulation crust, can be mounted on the radiator by screw;Resistance wire, setting exist Inside the insulation crust;Metal base plate is connected to below the resistance wire, sets between the metal base plate and the resistance wire It is equipped with heat-conducting insulation material, when the damping resistance is mounted on the radiator, the metal base plate and the radiator phase It contacts, the heat on the resistance wire is transferred to the damping resistance by the heat-conducting insulation material and the metal base plate and dissipates On hot-zone;Spring is arranged between the resistance wire and the insulation crust inner wall, and the insulation crust is mounted on the damping Behind resistive dissipation area, the insulation crust pushes the spring, and the spring offer makes the resistance wire, the heat conductive insulating material Material and the metal base plate compress the power of the damping resistance radiating area.
First thyristor press-assembling structure and second thyristor press-assembling structure further include insulating supporting beam, are set to Between the activity end plate and fixed charge method end plate and it is located at the thyristor component bottom, is pressed in the thyristor press-assembling structure Before dress and after disassembly, the insulating supporting beam is used to support the thyristor component.
Increasing, which is provided with, on the insulating supporting beam climbs groove.
The both ends of the thyristor component are connected separately with the first busbar and the second busbar, and electric current passes through first busbar It flows into the thyristor component, is then flowed out from second busbar.
Position in the accommodating chamber between the thyristor component and the movable end plate is provided with pressure assembly, The pressure assembly is being adjacent to first busbar and second busbar on the thyristor component.
First busbar is mounted on the pressure assembly, and it is separate that second busbar is mounted on the thyristor component On the last one radiator of the pressure assembly.
It is provided with mounting hole on the activity end plate, the pressure assembly includes: adapter, is mounted on the movable end plate Mounting hole in;It is pressed screw rod, is nested in the adapter;Pressure piece, setting is in the press fitting screw rod and first mother Between row, to provide the elastic force for making first busbar compress the thyristor component.
The pressure piece includes: taper faced washer, can be set in the press fitting screw rod to the relatively described press fitting screw motion On inner wall;Disc spring tabletting, interference are connected on the taper faced washer, are provided between the disc spring tabletting and the press fitting screw rod Disc spring, the disc spring is to provide the elastic force.
It is provided with centring hole on the taper faced washer, is provided with ball ring between the centring hole and first busbar Circle, the spheric washer are embedded in the centring hole, and the aligning of the aligning seat of the spheric washer and the taper faced washer is bored Line contacts between face.
Alignment hole is provided on first busbar, the spheric washer is provided with convex far from one end of the centring hole Platform, the boss are inserted into the alignment hole so that the spheric washer is stably connected on first busbar.
The both ends of the insulated pull rod are provided with necking part, and outer diameter is provided on the adjacent necking part greater than the necking down The step in portion, the step side are provided with compression end, and the activity end plate and the fixed charge method end plate are provided with jaggy Connecting hole, the necking part are entered in the connecting hole by the notch, and external force is in the movable end plate and described solid On the plate of fixed end, the connecting hole is moved at the step, and the activity end plate and the fixed charge method end plate are limited by the compression end System goes out to prevent anti-avulsion.
The top of the activity end plate and the fixed charge method end plate is provided with link.
The converter valve module further includes busbar structure, is separately positioned on inside each reactor module, the mother Arranging structure includes: busbar between reactor, is arranged between first reactor and second reactor or the third is electric Between anti-device and the 4th reactor, to make electric current between two first reactors and second reactor, Or it is conducted between the third reactor and the 4th reactor;
Busbar (102) between reactor thyristor, one end connect first reactor or the third reactor, the other end First thyristor press-assembling structure or second thyristor press-assembling structure are connected, to make electric current followed by described second Reactor (1713), first reactor (1712), first thyristor press-assembling structure, second thyristor press fitting knot Structure, the third reactor (1722) and the 4th reactor (1723).
It is bolted to connection together between the first main mould block frame and the second main mould block frame.
Technical solutions of the utility model have the advantages that
1. thyristor press-assembling structure is arranged in the converter valve module built in arrester provided by the utility model, arrester Side will greatly reduce the occupied volume of converter valve module, be effectively reduced the converter valve valve tower for converter valve module of guaranteeing replacement Building cost.
Meanwhile in the prior art, the current potential of converter valve shielding case is fixed on the main circuit, and shielding case is electric over the ground at this time Uneven influence can be generated to the voltage's distribiuting of the thyristor in main circuit by holding.
And in converter valve module provided by the utility model, arrester is arranged in parallel with thyristor press-assembling structure, The both ends of the arrester in one main module are respectively the first current potential and the second current potential, described lightning-arrest in the second main module The both ends of device are respectively the second current potential and third current potential.Simultaneously shield assemblies be made up of multiple pieces., wherein the first shielding case with First current potential of the arrester inside first main module is fixed;It is lightning-arrest inside third shielding case and second main module The third current potential of device is fixed;Secondary shielding cover respectively with it is described lightning-arrest inside first main module and second main module Second current potential of device is fixed.
By above-mentioned set-up mode, the current potential of shielding case is fixed on except main circuit, Shielding tensor and main circuit The current potential of middle thyristor is mutually isolated, so will greatly reduce the thyristor inside thyristor press-assembling structure partial pressure it is uneven Degree.
2. the converter valve module built in arrester provided by the utility model, the main mould block frame and the reactor frame It is attached between frame by damper, the damper is transferred on the main module to weaken the reactor module Vibration then improves the stability in use of reactor.Meanwhile the both ends by the way that reactor to be individually suspended in two main modules, Can to avoid the vibration of reactor influence the electrical of converter valve module other parts be connect with water route, avoid the occurrence of water pipe loosening or Circuit connection loosens, leads to electrical connection disconnection and water leakage situation.
3. the converter valve module built in arrester provided by the utility model, the thyristor press-assembling structure side is provided with The arrester, the thyristor press-assembling structure other side is provided with the damping capacitor and the gate leve unit, in the crystalline substance Water-cooling system is provided between brake tube press mounting structure and the arrester.
In the present invention, the component inside converter valve module is using thyristor press-assembling structure as line of demarcation, by arrester The side of arrester is positioned close to water-cooling system, water-cooling system and gate leve unit and damping capacitor are mutually separate at this time.Due to Leak may occur for water-cooling system, and cooling water can seriously affect the stability in use of converter valve module electric elements inside, because The device isolations such as water-cooling system and gate leve unit can effectively be prevented the generation of above situation by this, and realize converter valve mould " electricity separation " inside block.
4. the converter valve module built in arrester provided by the utility model, it is provided with inlet on radiator side wall and goes out Liquid mouth, the two neighboring radiator are one another in series to form radiator group, and two radiators share a water route, and coolant liquid passes through The inlet of one of them radiator flows into, and the feed liquor of another radiator is flowed into after cooling down to the radiator In mouthful, finally flowed out from the liquid outlet of the radiator.
In the utility model, the coolant liquid before carrying out cooling work flows in water inlet pipe, has carried out the cold of cooling work But liquid flows in outlet pipe.Water inlet head is drawn in water inlet pipe, the water for head of intaking is dissipated into first in a radiator group The inlet of hot device flows out after cooling down to the radiator from the liquid outlet of the radiator, then flows into second radiator The inlet in, finally flowed out from the liquid outlet of second radiator, be provided with liqiud outlet head on the liquid outlet, Liqiud outlet head is connected with outlet tube, and the coolant liquid for completing cooling procedure is taken away.
Meanwhile in cooling mechanism provided by the utility model, damping resistance does not have to that radiator is separately provided, and then can keep away Exempt from that water inlet is separately provided, to effectively avoid the appearance of leakage point.By above-mentioned scheme, can be effectively reduced total Mouth of a river quantity, and then reduce leakage point, improve the reliability of device.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of converter valve module provided by the utility model;
Fig. 2 is shield assemblies, the structure of main module and reactor module in converter valve module provided by the utility model Schematic diagram;
Fig. 3 is the structural schematic diagram of shield assemblies in converter valve module provided by the utility model;
Connection schematic diagram of the Fig. 4 between the first arrester provided by the utility model and the second arrester;
Fig. 5 is the first main mould block frame provided by the utility model, the second main mould block frame, the first reactor frame and the Connection schematic diagram between two reactor frames;
Fig. 6 is the structural schematic diagram of the first damping capacitor and the second damping capacitor provided by the utility model;
Fig. 7 is the structural schematic diagram of the first reactor module and the second reactor module provided by the utility model;
Fig. 8 is the structural schematic diagram of the first gate leve unit provided by the utility model and the second gate leve unit;
Fig. 9 is the structural representation of the first thyristor press-assembling structure and the second thyristor press-assembling structure provided by the utility model Figure;
Figure 10 is the structural schematic diagram of thyristor component provided by the utility model;
Figure 11 is the cross-sectional view of a specific example of radiator provided by the utility model;
Figure 12 is the signal of a specific example of the first thyristor press-assembling structure provided in the utility model embodiment Figure;
Figure 13 (a)-Figure 13 (d) is the one of the installation process of the thyristor press-assembling structure provided in the utility model embodiment The schematic diagram of a specific example;
Figure 14 is the side view of a specific example of the first thyristor press-assembling structure provided in the utility model embodiment Figure;
Figure 15 is the sectional view of a specific example of pressure assembly provided by the utility model;
Figure 16 is the structural schematic diagram of the water-cooling system provided by the utility model;
Figure 17 is the structural schematic diagram of the damping resistance provided by the utility model;
Figure 18 is the schematic diagram of the side of the radiator group provided by the utility model;
The structural schematic diagram of Figure 19 busbar between busbar and reactor thyristor between reactor provided by the utility model.
Description of symbols:
1- thyristor;
2- damping resistance, 21- insulation crust, 22- resistance wire, 23- metal base plate, 24- heat-conducting insulation material, 25- spring, 26- filled media;27- welding layer;
3- radiator, 31- damping resistance radiating area, 32- thyristor radiating area, 33- damping resistance coolant flow channel, 34- are brilliant Brake tube coolant flow channel, 35- inlet, 36- liquid outlet, 4- equalizing resistance;
X1- main module;
The first main module of x11-, x111- the first main mould block frame, the first thyristor press-assembling structure of x112-, x113- first Gate leve unit, the first damping capacitor of x114-, the first arrester of x115-;
The second main module of x12-, x121- the second main mould block frame;The second thyristor press-assembling structure of x122-;
X123- the second gate leve unit, the second damping capacitor of x124-, the second arrester of x125-;
The first current potential of a-, the second current potential of b-, c- third current potential;
17- reactor module, the first reactor module of 171-, 1711- the first reactor frame, the first reactor of 1712-, The second reactor of 1713-, the second reactor module of 172-, 1721- the second reactor frame, 1722- third reactor, 1723- 4th reactor, 19- damper;
18- shield assemblies, the first shielding case of 181-, 182- secondary shielding cover, 183- third shielding case;
5- insulated pull rod, 51- necking part, 53- compression end;
61- activity end plate, 611- mounting hole, 62- fixed charge method end plate;
7- pressure assembly, 71- adapter, 72- locking nut, 73- are pressed screw rod, 74- disc spring, 75- disc spring tabletting, 77- Spheric washer, 771- boss, 772- aligning seat, 79- taper faced washer, 791- centring hole, the 792- aligning conical surface;
Groove, 10- link are climbed in the first busbar of 81-, 811- alignment hole, the second busbar of 82-, 9- insulating supporting beam, 91- increasing;
201- thyristor is pressed water pipe;202- reactor water pipe;
Busbar between 101- reactor, busbar between 102- reactor thyristor, 103- valve module inlet wire;
I1- screw.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection;It can be mechanical connection, be also possible to be electrically connected;Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition The concrete meaning of language in the present invention.
In addition, as long as technical characteristic involved in the utility model different embodiments disclosed below is each other Not constituting conflict can be combined with each other.
The present embodiment provides the converter valve module built in a kind of arrester, as illustrated in fig. 1 and 2, main module x1, including each other The the first main module x11 and the second main module x12, the first main module x11 of connection include: the first main mould block frame x111; Several be mounted on the first thyristor press-assembling structure x112 arranged side by side inside the first main mould block frame x111 and each other, First gate leve unit x113, the first damping capacitor x114 and the first arrester x115;Described in the first main module x11 The both ends of one arrester x115 are respectively the first current potential a and the second current potential b.
The second main module x12 includes: the second main mould block frame x121, the first main mould block frame and described second It is bolted to connection together between main mould block frame;Several be mounted on inside the second main mould block frame x121 and Second thyristor press-assembling structure x122 arranged side by side, the second gate leve unit x123, the second damping capacitor x124 and second each other Arrester x125;The both ends of the second arrester x125 are respectively the second current potential b and third current potential c.
As shown in Fig. 1,5 and 7, reactor module 17 is arranged in the main module two sides, and the reactor module 17 includes First reactor module 171 and the second reactor module 172, first reactor module 171 include: the first reactor frame 1711, it is connected on the first main mould block frame x111;First reactor 1712 and the second reactor 1713, are disposed side by side on Inside the first reactor frame 1711;
Second reactor module 172 includes: the second reactor frame 1721, is connected to the second main mould block frame On x121;Third reactor 1722 and the 4th reactor 1723 are disposed side by side on inside the second reactor frame 1721.
In the present embodiment, as shown in figure 5, the first main mould block frame x111 and the first reactor frame 1711 it Between, be attached by damper 19 between the second main mould block frame x121 and the second reactor frame 1721, institute State the vibration that damper 19 is transferred on the main module 11 to weaken the reactor module 17.
In the present embodiment, as shown in Figures 3 and 4, shield assemblies 18 are connected to the main module and the reactor module Outside, the shield assemblies 18 include: the first shielding case 181, with the first arrester inside the first main module x11 The first current potential a of x115 is fixed;Of the second arrester x125 inside third shielding case 182, with the second main module x12 Three current potential c are fixed;Secondary shielding cover 183, respectively with the second current potential b of the first arrester x115 and the second arrester x125 It is fixed.
Specifically, the shield assemblies 18 are connected to the first main mould block frame, the second main module frame by corner fittings The outside of frame, the first reactor frame and the second reactor frame.
In the present embodiment, take shelter from the thunder as shown in Figure 1, the side the first thyristor press-assembling structure x112 is provided with described first Device x115, the other side the first thyristor press-assembling structure x112 are provided with the first damping capacitor x114 and first described Grade unit x113;The side second thyristor press-assembling structure x122 is provided with the second arrester x125, and described second is brilliant The other side brake tube press mounting structure x122 is provided with the second damping capacitor x124 and the second gate leve unit x123.
As shown in figure 16, the first thyristor press-assembling structure x112 and the first arrester x115, second crystalline substance Water-cooling system 20 is provided between brake tube press mounting structure x122 and the second arrester x125, the water-cooling system 20 includes: The thyristor press fitting water being connected on the first thyristor press-assembling structure x112 and the second thyristor press-assembling structure x122 Pipe 201, and the reactor water pipe 202 being connected on first reactor module 171 and the second reactor module 172.
Specifically, it is provided with threeway in every layer of converter valve module, when valve tower is assembled, the upper and lower opening of threeway connects respectively Connect the valve module being positioned above with lower section, the mouth of a river of a left side (right side) the mouth connection converter valve module of threeway.Every layer of converter valve module There are two threeway, a left side (right side) mouth of a threeway connects cold water pipe for middle setting, and a left side (right side) mouth of another threeway connects hot-water line. Cold water is flowed into from a threeway, after cooling procedure, is entered in another threeway by hot-water line.
Meanwhile hot water head is provided on hot-water line, cold water tap is provided on cold water pipe.The cryogenic liquid of cold water tap flowing Into in radiator group and reactor module, cooling water flows into hot-water line from hot water head after heating.As shown in figure 16, position In thyristor press fitting water pipe 201 and reactor water pipe 202 in the first main module of left side and the first reactor module, wrap in total Include ten hot water heads and corresponding ten cold water taps, each hot water head and cold water tap constitute one group, between ten groups of heads each other simultaneously Connection setting.
In the present embodiment, as described in Figure 16, multiple cold water taps and hot water head are arranged in parallel, as shown, thyristor is pressed It is provided with 9 cold water taps in parallel and hot water head in water pipe 201, is separately provided with cold water tap and hot water on reactor water pipe 202 Head, 10 groups of cold water taps and hot water head are arranged in parallel, and are played to the first thyristor press-assembling structure and the first electricity in the first main module The cooling of anti-device module.Similarly, above-mentioned cooling principle is also used in the second thyristor press-assembling structure and the second reactor.
In the present embodiment, the component inside converter valve module is with the first thyristor press-assembling structure x112 and the second thyristor pressure Assembling structure x122 is line of demarcation, arrester and water-cooling system is positioned close to the side of arrester, at this time water-cooling system and door Grade unit and damping capacitor are mutually separate.Since leak may occur for water-cooling system, and cooling water can seriously affect converter valve module The stability in use of electric elements inside, therefore by the device isolations such as water-cooling system and gate leve unit, can effectively prevent on The occurrence of stating, and realize " electricity separation " inside converter valve module.
Specifically, the line of demarcation is using the line of inlet or liquid outlet on multiple radiator side walls as boundary, boundary The top flowing of line has coolant liquid, is not in coolant liquid below line of demarcation.
Two thyristor press-assembling structures are specifically introduced respectively below, in the present embodiment, as shown in figure 12, described One thyristor press-assembling structure x112 includes such as lower component:
Thyristor component as shown in Figure 9, the side of the thyristor component is provided with equalizing resistance 4;Several eradications Edge pull rod 5, the extending direction of the insulated pull rod 5 are consistent with the extending direction of the thyristor component;The activity being oppositely arranged End plate 61 and fixed charge method end plate 62, the both ends of several insulated pull rods 5 are connected to the movable end plate 61 and fixing end On plate 62, the activity end plate 61, fixed charge method end plate 62 and the insulated pull rod 5 form the appearance to accommodate the thyristor component Receive chamber.
Specifically, the both ends of the insulated pull rod 5 are provided with necking part 51, are provided with outer diameter on the adjacent necking part 51 Greater than the step of the necking part, the step side is provided with compression end 53, the activity end plate 61 and the fixed charge method end plate 62 are provided with connecting hole jaggy, and the necking part 51 is entered in the connecting hole by the notch, and external force exists On the activity end plate 61 and the fixed charge method end plate 62, the connecting hole is moved at the step, activity 61 He of end plate The fixed charge method end plate 62 is limited to go out to prevent anti-avulsion by the compression end.
In the present embodiment, in order to realize the electrical effect of thyristor component, connect respectively at the both ends of the thyristor component It is connected to the first busbar 81 and the second busbar 82, electric current flows into the thyristor component by first busbar 81, by turning Electric current after changing is flowed out from second busbar 82.
Meanwhile it being set between the movable end plate 61 and fixed charge method end plate 62 and positioned at the position of the thyristor component bottom It is equipped with insulating supporting beam 9, before the thyristor press-assembling structure is pressed and after disassembly, insulating supporting beam 9 is used to support institute State thyristor component.Being provided with increasing on the insulating supporting beam 9 climbs groove 91 simultaneously.
As shown in Figure 13 (a) -13 (d), in order to stablize thyristor component in accommodating chamber, it is located in the accommodating chamber Position between the thyristor component and the movable end plate 61 or the fixed charge method end plate 62 is provided with pressure assembly 7, passes through First busbar 81 and second busbar 82 are adjacent on the thyristor component by pressure assembly 7.
Specifically assembling process is as follows: above-mentioned pressure assembly 7 is mounted on movable end plate 61 first, it is female by above-mentioned first Row 81 is attached on pressure assembly 7, and thyristor 1 is then replaced row with the radiator 3 for being provided with damping resistance 2 and equalizing resistance 4 Second busbar 82 is finally mounted on the last one above-mentioned radiator 3 by column until the arrangement of the last one radiator 3 is completed, and is pacified The sectional view of the thyristor press-assembling structure installed is as shown in Figure 5.Whole installation process is without being bolted, when reducing installation Between, it reduces installation cost, also, the thyristor press-assembling structure obtained using the installation method is in unloading, thyristor 1 and dissipates The relative position of hot device 3 is constant, it can be achieved that replacing thyristor 1 in the case that cooling water pipe and electrical fitting do not move.
In the present embodiment, the pressure assembly 7 can be provided separately between thyristor component and movable end plate 61, can also To be provided separately between thyristor component and fixed charge method end plate 62, thyristor component and the movable end can also be set simultaneously Between plate 61 and the fixed charge method end plate 62.
Preferably, as shown in figures 12 and 14, first busbar 81 is mounted on the pressure assembly 7, and described second Busbar 82 is mounted on the thyristor component far from the last one radiator 3 of the pressure assembly 7.
In the present embodiment, as shown in figure 15, it is provided with mounting hole 611 on the activity end plate 61, the pressure assembly 7 wraps Include: adapter 71 is mounted in the mounting hole 611 of the movable end plate 61;It is pressed screw rod 73, is nested in the adapter 71 In;Pressure piece is arranged between the press fitting screw rod 73 and first busbar 81, presses first busbar 81 to provide The elastic force of the tight thyristor component.
Specifically, the pressure piece includes: taper faced washer 79, can be set in the relatively described movement of press fitting screw rod 73 described It is pressed on the inner wall of screw rod 73;Disc spring tabletting 75, interference are connected on the taper faced washer 79, the disc spring tabletting 75 with it is described It is provided with disc spring 74 between press fitting screw rod 73, the disc spring 74 is to provide the elastic force.
Meanwhile centring hole 791 is provided on the taper faced washer 79, the centring hole 791 and first busbar 81 it Between be provided with spheric washer 77, the spheric washer 77 is embedded in the centring hole 791, as shown in figure 15, the spherical surface at this time Line contacts between the aligning seat 772 of washer and the aligning conical surface 792 of the taper faced washer.Friction is small for line contact, leads to The set-up mode for crossing line contact can will be in the good insertion taper faced washer of spheric washer 77.
In the present embodiment, alignment hole 811 is provided on first busbar 81, the spheric washer 77 is far from the centering The one end in hole 791 is provided with boss 771, and the boss 771 is inserted into the alignment hole 811 so that the spheric washer 77 is stablized It is connected on first busbar 81.
In the present embodiment, the thyristor component includes following part:
As shown in Figure 10 and Figure 11, the thyristor component includes: the radiator that several are arranged along same linear array 3, thyristor 1 is provided between radiator 3 described in adjacent two panels;It is provided on the radiator 3 for the installation of damping resistance 2 Damping resistance radiating area 31, and, thyristor radiating area 32 corresponding with the thyristor;Coolant flow channel is arranged described Inside radiator 3, coolant liquid is flowed along the coolant flow channel, and coolant liquid flows into thyristor radiating area 32 first, then flows into institute Damping resistance radiating area 31 is stated, to carry out to the thyristor 1 and the damping resistance 2 being connected on the radiator 3 It is cooling.
As shown in figure 18, the radiator 3 different from be provided on the side wall being connected with the thyristor 1 inlet 35 and Liquid outlet 36, the two neighboring radiator 3 are one another in series to form radiator group, and coolant liquid passes through the wherein radiator in left side Inlet flows into, in the inlet for flowing out and flowing into the radiator on right side after cooling down to the radiator from liquid outlet, And it is finally flowed out from the liquid outlet 36 of the radiator.Arrow direction in figure shows the flow direction of coolant liquid.
In the present embodiment, the assembling structure of the damping resistance 2 and the thyristor 1 is as follows:
As shown in Figure 10, the damping resistance radiating area 31 is arranged above the thyristor 1, and two pieces of damping resistances 2 can It is releasably symmetrically mounted on the damping resistance radiating area 31, the outer surface of the damping resistance 2 is outer with the radiator 3 Flush setting.
In the present embodiment, as shown in Figure 10 and Figure 17, damping resistance 2 includes: that the damping resistance 2 includes: insulation crust 21, it can be mounted on by screw i1 on the radiator 3;Resistance wire 22 is arranged inside the insulation crust;Metal base plate 23, it is connected to 22 lower section of resistance wire, is provided with heat-conducting insulation material between the metal base plate 23 and the resistance wire 22 24, when the damping resistance 2 is mounted on the radiator 3, the metal base plate 23 is in contact with the radiator 3, described Heat on resistance wire 22 is transferred to the damping resistance heat dissipation by the heat-conducting insulation material 24 and the metal base plate 23 In area 31.
Specifically, the heat-conducting insulation material 24 is ceramic wafer, between the ceramic wafer and the resistance wire 22, the pottery Welding layer 27 is provided between porcelain plate and the metal base plate 23.
Spring 25 is arranged between 21 inner wall of the resistance wire 22 and the insulation crust, and the insulation crust 21 is installed After the damping resistance radiating area 31, the insulation crust 21 pushes the spring 25, and the offer of spring 25 makes the electricity Resistance silk, the heat-conducting insulation material and the metal base plate compress the power of the damping resistance radiating area 31.
Specifically, heat-conducting insulation material 24 is ceramic wafer, but the utility model is not limited thereto.Ceramic wafer and resistance wire Welding layer, the insulation of welding layer are joined together to form by the way of welding between 22, between ceramic wafer and metal base plate 23 Performance determines the whole pressure-resistant situation of resistance.Filled media 26 is covered in entire 2 cavity of damping resistance, filled media 26 Material selection and fill process determine resistance partial discharge performance, and in a preferred embodiment, which can be used silicon rubber Glue material.
In the present embodiment, the top of the activity end plate 61 and the fixed charge method end plate 62 is provided with link 10.Pass through setting Link 10 can lift multiple groups converter valve module in parallel.
In the present embodiment, as shown in figure 19, the converter valve module further includes busbar structure, is separately positioned on each described Inside reactor module 17, the busbar structure includes: busbar 101 between reactor, is arranged in 1712 He of the first reactor Between second reactor 1713 or between the third reactor 1722 and the 4th reactor 1723, to make electricity Stream between two first reactors 1712 and second reactor 1713 or the third reactor 1722 with it is described It is conducted between 4th reactor 1723;
Busbar 102 between reactor thyristor, one end connect first reactor or the third reactor, and the other end connects First thyristor press-assembling structure or second thyristor press-assembling structure are connect, to make electric current followed by second electricity Anti- device 1713, first reactor 1712, first thyristor press-assembling structure, second thyristor press-assembling structure, institute State third reactor 1722 and the 4th reactor 1723.
Meanwhile as shown in figure 19, busbar structure further includes having valve module inlet wire 103 and valve module outlet 104, passes through valve mould Block inlet wire 103, inside valve tower, valve module inlet wire and valve module outlet are attached with interlayer busbar, and electric current may be implemented Inflow and extraction inside the converter valve module of adjacent layer.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or It changes among the protection scope created still in the utility model.

Claims (22)

1. the converter valve module built in a kind of arrester characterized by comprising
Main module (x1), including the first main module (x11) and the second main module (x12) being connected to each other,
First main module (x11) includes: the first main mould block frame (x111);Several are mounted on the first main module frame Internal and arranged side by side each other the first thyristor press-assembling structure (x112) of frame (x111), the first gate leve unit (x113), first Damping capacitor (x114) and the first arrester (x115);First arrester (x115) in first main module (x11) Both ends be respectively the first current potential and the second current potential;
Second main module (x12) includes: the second main mould block frame (x121);Several are mounted on the second main module frame Internal and arranged side by side each other the second thyristor press-assembling structure (x122) of frame (x121), the second gate leve unit (x123), second Damping capacitor (x124) and the second arrester (x125);The both ends of second arrester (x125) are respectively the second current potential and Three current potentials;
Reactor module (17), in the main module two sides, the reactor module (17) includes the first reactor module for setting (171) and the second reactor module (172), first reactor module (171) include: the first reactor frame (1711), It is connected on the first main mould block frame (x111);First reactor (1712) and the second reactor (1713) are arranged side by side It is internal in the first reactor frame (1711);
Second reactor module (172) includes: the second reactor frame (1721), is connected to the second main mould block frame (x121) on;Third reactor (1722) and the 4th reactor (1723), are disposed side by side on the second reactor frame (1721) internal;
Shield assemblies (18) are connected to outside the main module and the reactor module, shield assemblies (18) packet It includes:
First shielding case (181), the first current potential of internal the first arrester (x115) is solid with first main module (x11) It is fixed;
Third shielding case (183), the third current potential of internal the second arrester (x125) is solid with second main module (x12) It is fixed;
Secondary shielding cover (182), it is solid with the second current potential of first arrester (x115) and the second arrester (x125) respectively It is fixed.
2. the converter valve module built in arrester according to claim 1, which is characterized in that the first main mould block frame (x111) between the first reactor frame (1711), the second main mould block frame (x121) and second reactor It is attached between frame (1721) by damper (19), the damper (19) is to weaken the reactor module (17) The vibration being transferred on the main module.
3. the converter valve module built in arrester according to claim 2, which is characterized in that the first thyristor press fitting The side structure (x112) is provided with first arrester (x115), and the first thyristor press-assembling structure (x112) other side is set It is equipped with first damping capacitor (x114) and the first gate leve unit (x113);Second thyristor press-assembling structure (x122) side is provided with second arrester (x125), and the second thyristor press-assembling structure (x122) other side is provided with Second damping capacitor (x124) and the second gate leve unit (x123).
4. the converter valve module built in arrester according to claim 3, which is characterized in that the first thyristor press fitting Structure (x112) and first arrester (x115), second thyristor press-assembling structure (x122) and second arrester (x125) it is provided between water-cooling system (20), the water-cooling system (20) includes: to be connected to the first thyristor press fitting knot Thyristor on structure (x112) and second thyristor press-assembling structure (x122) is pressed water pipe (201), and is connected to described Reactor water pipe (202) on first reactor module (171) and the second reactor module (172).
5. the converter valve module built in arrester according to claim 4, which is characterized in that the first thyristor press fitting Structure and second thyristor press-assembling structure include:
Thyristor component, thyristor component side are provided with equalizing resistance (4);
Several insulated pull rods (5), the extending direction of the insulated pull rod (5) and the extending direction one of the thyristor component It causes;
The movable end plate (61) and fixed charge method end plate (62) being oppositely arranged, the both ends of several insulated pull rods (5) are separately connected On the movable end plate (61) and fixed charge method end plate (62), the activity end plate (61), fixed charge method end plate (62) and the insulation are drawn Bar (5) forms the accommodating chamber to accommodate the thyristor component;
The thyristor component includes:
Several radiators being arranged along same linear array (3) are provided with thyristor between radiator (3) described in adjacent two panels (1);The damping resistance radiating area (31) for damping resistance (2) installation is provided on the radiator (3), and, and it is described The corresponding thyristor radiating area (32) of thyristor;
Coolant flow channel, setting is internal in the radiator (3), and coolant liquid is flowed along the coolant flow channel, and coolant liquid flows into first The thyristor radiating area (32) then flows into the damping resistance radiating area (31), to being connected to the radiator (3) On the thyristor (1) and the damping resistance (2) cooled down.
6. the converter valve module built in arrester according to claim 5, which is characterized in that the radiator (3) different from Inlet (35) and liquid outlet (36) are provided on the side wall of the thyristor (1), the two neighboring radiator (3) is gone here and there each other Connection forms radiator group, and thyristor is pressed the feed liquor that water pipe (201) pass through one of them radiator from the coolant liquid of outflow Mouth flows into, after cooling down to the radiator from the inlet that liquid outlet flows out and flow into another radiator, and most The outflow from the liquid outlet (36) of the radiator eventually.
7. the converter valve module built in arrester according to claim 6, which is characterized in that the damping resistance radiating area (31) above the thyristor (1), the damping resistance (2) is removably mounted on the damping resistance radiating area for setting (31) on.
8. the converter valve module built in arrester according to claim 7, which is characterized in that damping resistance (2) peace When mounted in damping resistance radiating area (31), the outer surface of the damping resistance (2) and the outer surface of the radiator (3) are flat Neat setting.
9. the converter valve module built in arrester according to claim 8, which is characterized in that damping resistance (2) packet It includes:
Insulation crust (21) can be mounted on the radiator (3) by screw (i1);
Resistance wire (22) is arranged inside the insulation crust;
Metal base plate (23) is connected to below the resistance wire (22), the metal base plate (23) and the resistance wire (22) it Between be provided with heat-conducting insulation material (24), when the damping resistance (2) is mounted on the radiator (3), the metal base plate (23) it is in contact with the radiator (3), the heat on the resistance wire (22) passes through the heat-conducting insulation material (24) and institute Metal base plate (23) is stated to be transferred on the damping resistance radiating area (31);
Spring (25) is arranged between the resistance wire and the insulation crust inner wall, and the insulation crust (21) is mounted on institute After stating damping resistance radiating area (31), the insulation crust (21) pushes the spring (25), and the spring (25), which provides, makes institute State the power that resistance wire, the heat-conducting insulation material and the metal base plate compress the damping resistance radiating area (31).
10. the converter valve module built in arrester according to claim 5, which is characterized in that the first thyristor pressure Assembling structure and second thyristor press-assembling structure further include insulating supporting beam (9), are set to the movable end plate (61) and consolidate Between fixed end plate (62) and it is located at the thyristor component bottom, before the thyristor press-assembling structure is pressed and dismantles Afterwards, the insulating supporting beam (9) is used to support the thyristor component.
11. the converter valve module built in arrester according to claim 10, which is characterized in that the insulating supporting beam (9) it is provided with increasing on and climbs groove (91).
12. the converter valve module built in arrester according to claim 11, which is characterized in that the thyristor component Both ends are connected separately with the first busbar (81) and the second busbar (82), and electric current flows into the brilliant lock by first busbar (81) In tube assembly, the then outflow from second busbar (82).
13. the converter valve module built in arrester according to claim 12, which is characterized in that be located in the accommodating chamber Position between the thyristor component and the movable end plate (61) is provided with pressure assembly (7), and the pressure assembly (7) is used Being adjacent to first busbar (81) and second busbar (82) on the thyristor component.
14. the converter valve module built in arrester according to claim 13, which is characterized in that first busbar (81) It is mounted on the pressure assembly (7), second busbar (82) is mounted on the thyristor component far from the pressure assembly (7) on the last one radiator (3).
15. the converter valve module built in arrester according to claim 14, which is characterized in that the activity end plate (61) On be provided with mounting hole (611), the pressure assembly (7) includes:
Adapter (71) is mounted in the mounting hole (611) of the movable end plate (61);
It is pressed screw rod (73), is nested in the adapter (71);
Pressure piece is arranged between the press fitting screw rod (73) and first busbar (81), makes first mother to provide Arrange the elastic force that (81) compress the thyristor component.
16. the converter valve module built in arrester according to claim 15, which is characterized in that the pressure piece includes:
Taper faced washer (79) can be set on the inner wall of press fitting screw rod (73) to relatively described press fitting screw rod (73) movement;
Disc spring tabletting (75), interference are connected on the taper faced washer (79), the disc spring tabletting (75) and the press fitting screw rod (73) it is provided between disc spring (74), the disc spring (74) is to provide the elastic force.
17. the converter valve module built in arrester according to claim 16, which is characterized in that the taper faced washer (79) On be provided with centring hole (791), be provided with spheric washer (77) between the centring hole (791) and first busbar (81), The spheric washer (77) is embedded in the centring hole (791), the aligning seat (772) and the cone of the spheric washer (77) Line contacts between the aligning conical surface (792) of face washer (79).
18. the converter valve module built in arrester according to claim 17, which is characterized in that first busbar (81) On be provided with alignment hole (811), the spheric washer (77) is provided with boss (771) far from the one end of the centring hole (791), The boss (771) is inserted into the alignment hole (811) so that the spheric washer (77) is stably connected in first busbar (81) on.
19. the converter valve module built in any arrester of 0-18 according to claim 1, which is characterized in that the insulation The both ends of pull rod (5) are provided with necking part (51), and outer diameter is provided on the adjacent necking part (51) greater than the necking part Step, the step side are provided with compression end (53), and the activity end plate (61) and the fixed charge method end plate (62) are provided with band Connecting hole jaggy, the necking part (51) are entered in the connecting hole by the notch, and external force is in the activity On end plate (61) and the fixed charge method end plate (62), the connecting hole is moved at the step, the activity end plate (61) and institute Fixed charge method end plate (62) is stated to be limited to go out to prevent anti-avulsion by the compression end.
20. the converter valve module built in arrester according to claim 18, which is characterized in that the activity end plate (61) The top of the fixed charge method end plate (62) is provided with link (10).
21. the converter valve module built in arrester according to claim 5, which is characterized in that the converter valve module is also Including busbar structure, it is separately positioned on each reactor module (17) inside, the busbar structure includes:
Busbar (101) between reactor, be arranged between first reactor (1712) and second reactor (1713) or Between the third reactor (1722) and the 4th reactor (1723), to make electric current in two first reactors (1712) between second reactor (1713) or the third reactor (1722) and the 4th reactor (1723) Between conduct;
Busbar (102) between reactor thyristor, one end connect first reactor or the third reactor, other end connection First thyristor press-assembling structure or second thyristor press-assembling structure, to make electric current followed by second reactance Device (1713), first reactor (1712), first thyristor press-assembling structure, second thyristor press-assembling structure, The third reactor (1722) and the 4th reactor (1723).
22. the converter valve module built in arrester according to claim 1, which is characterized in that the first main module frame It is bolted to connection together between frame (x111) and the second main mould block frame (x121).
CN201820547748.7U 2018-04-17 2018-04-17 A kind of converter valve module built in arrester Withdrawn - After Issue CN208580740U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820547748.7U CN208580740U (en) 2018-04-17 2018-04-17 A kind of converter valve module built in arrester

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108695307A (en) * 2018-04-17 2018-10-23 全球能源互联网研究院有限公司 A kind of change current valve module built in arrester

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108695307A (en) * 2018-04-17 2018-10-23 全球能源互联网研究院有限公司 A kind of change current valve module built in arrester
CN108695307B (en) * 2018-04-17 2023-08-15 全球能源互联网研究院有限公司 Converter valve module with built-in lightning arrester

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