CN102097809A - Thyristor valve block of static var compensator (SVC) - Google Patents
Thyristor valve block of static var compensator (SVC) Download PDFInfo
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- CN102097809A CN102097809A CN2010105553652A CN201010555365A CN102097809A CN 102097809 A CN102097809 A CN 102097809A CN 2010105553652 A CN2010105553652 A CN 2010105553652A CN 201010555365 A CN201010555365 A CN 201010555365A CN 102097809 A CN102097809 A CN 102097809A
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- H01—ELECTRIC ELEMENTS
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Abstract
The invention discloses a thyristor valve block of a static var compensator (SVC), which comprises one group or more than one group of mutually-tandem anti-parallel thyristor unit modules, resistance-capacitance protection unit modules, plate unit modules, frames and insulators, wherein the anti-parallel thyristor unit modules, the resistance-capacitance protection unit modules and the plate unit modules are fixed on the frames; each resistance-capacitance protection unit module comprises a capacitor and a resistor; the insulators are fixed on the frames; the insulators are used for supporting and fixing the frame of the thyristor valve block; and each anti-parallel thyristor unit module comprises a thyristor and a profile self-heat dissipation structure, wherein the thyristor and the profile self-heat dissipation structure are pressed and combined together, and the heat dissipation of the thyristor is realized by heat conduction and convection. The thyristor valve block described by the implementation mode in the invention has the advantages of small volume, simple structure assembly and few hidden troubles and is easy to detect and maintain, the valve block can determine the tandem quantity according to the actual capacity conditions of users, and the self-heat dissipation mode is especially suitable for the SVC with medium or small capacity.
Description
Technical field
The present invention relates to a kind of thyristor valve group, especially relate to a kind of Static Var Compensator (SVC that is applied to the employing section bar heat radiation of high power semi-conductor field of power electronics, Static Var Compensator) thyristor valve group, this invention can be widely used in relevant industries such as electric iron, electrolytic aluminium, colliery, harbour, arc furnace.
Background technology
Static Var Compensator (SVC) is a kind of rotating parts that do not have, quick, level and smooth controlled dynamic reactive power compensation equipment.It is with thyristor-controlled reactor and in parallel use of power capacitor (fixing or grouping switching).Capacitor can send reactive power (capacitive), but controlled reactor absorbing reactive power (perception).By reactor is regulated, can make whole device change to absorbing reactive power (or being reversed) from sending reactive power smoothly, and response fast.Static Var Compensator (SVC) was risen the seventies in 20th century, and it is to control reactor conducting angle and capacitor group switching comes regulating system idle by the thyristor valve group, so the thyristor valve group is the core component of Static Var Compensator.
Thyristor is the valve element that is most widely used at present, thyristor valve is the core part of Static Var Compensator, trigger angle by the control thyristor can be regulated continuously to impedance, can the enhanced system ability to transmit electricity, improve functions such as the stability of a system, power oscillation damping and inhibition sub-synchronous oscillation.Thyristor valve body will bear high voltage and big electric current usually, needs to adopt the connection in series-parallel of a plurality of thyristors to realize.The technical scope that the structure of thyristor valve body relates to is comparatively extensive, comprises many-sided technology such as installation, heat transfer, solid and fluid stress analysis, electromagnetic compatibility, High-Voltage Insulation cooperation of semiconductor device.Therefore, the mechanical mounting structure of thyristor valve is vital, has only and adopts rational mechanical mounting structure, could and maintain easily for the safe operation of thyristor valve powerful guarantee is provided.What the TCR valve group of present domestic flourish letter was introduced is Ukraine's the eighties initial stage technology, employing be the electromagnetism triggering technique thyristor valve group of heat pipe heat radiation pattern, electric power standard does not recommend to use.What DianKeYuan adopted then is the thyristor valve group of water cooling method.Heat pipe heat radiation type and water-cooling type are done well on radiating effect, thus have to adopt in big capacity, occasion that power density is big, however in middle low capacity occasion, adopt these just to embody a lot of defectives.
At present, domestic thyristor valve group mainly contains heat pipe heat radiation type and water-cooling type, does not still have the section bar heat radiating type.The radiating efficiency height of heat pipe heat radiation type and water-cooling type, with the obvious advantage at big capacity, high voltage field composition and division in a proportion section bar heat radiating type.Yet, just embody a lot of defectives in middle low capacity occasion.There is hidden danger in heat pipe heat radiation type thyristor valve group when starting work under low temperature environment, the hidden danger that the life-span is short, there is leakage in heat pipe.The valve group maintenance of water-cooling is big, very inconvenient when keeping in repair, and adopts water-cooling harm to system when leaking very huge, causes electric insulation to damage even short circuit.
The content relevant with present patent application mainly contains following several pieces of documents in the middle of prior art:
Document one is that Rongxin Power Electronic Co., Ltd. applied on April 30th, 2009, on October 14th, 2009 is open, publication number is the Chinese invention patent application open file of CN101556951A, is based on the valve body structure that heat-pipe radiator and photo thyristor are core.Each photo thyristor element two ends all is furnished with one group of heat-pipe radiator, each photo thyristor two ends contacts with the heat pipe radiator base plate that is positioned at both sides, form heat-sink unit, a plurality of heat-sink units press-fit into whole series connection structure by dish spring press-loading device, and thrust was by the central shaft axial compressive force transmission past; The heat dissipation element of photo-thyristor valve body damping resistance unit is the solid profile radiator.The integral heat sink of the effect that this valve body structure is the most outstanding is good, has especially solved the heat radiation of damping resistance unit.Yet anatomize this valve body structure, discovery is along with the number of the series connection of thyristor element increases, and its dish spring press-loading device press-fits the difficult problem that the thyristor element can't be press-fited into an integral body with facing; Adopt Section Bar Heat Sinks simultaneously in the damping resistance unit, not only increased a whole set of structure economics cost, also strengthened installation and maintenance workload simultaneously this valve body.In addition, all there is very big hidden danger in the heat pipe heat radiation type when cold-starting is worked, and in the life-span that can reduce complete equipment like this, also there is the hidden danger of leakage in heat pipe itself simultaneously.
Document two is that China Electric Power Research Institute applied on September 13rd, 2005, on December 27th, 2006 Granted publication, Granted publication number is the Chinese invention patent application bulletin file of CN2852487Y, is based on the double-deck valve group in bedroom of water-cooling pattern.Core texture is the series thyristor valve module, by disc spring pressing mechanism N valve module and N+1 the alternate string of water-cooling sheet are forced together, form housing by load epoxy plate and two ends flange, constitute a valve module unit module, pressure assembling force is to be gone over by the central shaft transmission by the axial force that the distortion of dish spring produces.Accessory structure also has water-cooled resistance, conduit assembly etc.The external frame that constitutes whole valve group adopts angle aluminium to be welded.Needing to be characterized in the valve module of water-cooled and water-cooled resistance assembly and conduit assembly to be placed on valve group rear side, other do not need the high potential board component optical fiber duct assembly of water-cooled to be placed on valve group rear side.Adopt composite post insulator to support between the bilayer.This sleeving valve group mechanical structure is compared with water-cooling valve group in the past, and advantage is that the water route separates preferably with circuit, double-deck simultaneously layout, and what floor space was very big dwindles, and external frame adopts angle aluminium welding, has alleviated weight! Yet valve module also is the whole series to press-fit, and when the number of series connection is too much, all is a difficult problem for press-loading device, load epoxy plate and press-loading process etc.; Water-cooling all needs supporting closed pure water cooling system, and not only power consumption is big, and maintenance is big, and accident potential is also many; Adopt double-decker, the installing/dismounting workload is big, is unfavorable for maintenance.
Document three is that Rongxin Power Electronic Co., Ltd. applied on August 12nd, 2009, and on February 17th, 2010 is open, and publication number is the Chinese invention patent application open file of CN101651135A, is based on the thyristor valve group of the light-operated water-cooling of 66kV grade.Be characterised in that bicubic formula structure; constitute single-phase valve group by two valve cell series connection; adopt the soft platoon of Copper Foil to connect between the valve cell of the left and right sides; the water pipe unit of each unit is positioned at the valve cell centre position; the thyristor unit of need water-cooled and the water-cooled resistance of resistance-capacitance protection unit are arranged on the both sides of water pipe unit; do not need water-cooled resistance-capacitance protection unit etc. all be arranged on the valve group around; the resistance-capacitance protection unit adopts modularized design simultaneously; water-cooled resistance and damping capacitor adopt the centralized arrangement mode, and this three all is placed on the capacitance-resistance carriage.The drawback of this structure maximum be exactly the water route as in the middle of the valve group, and the hidden danger that water circuit system exists is maximum, this safeguards that for detection water circuit system is very difficult.Therefore the maintenance workload of this covering device is big, and peripheral electronic device lies around simultaneously, in case the water route leakage is very big to influence circuit.This jumbo heat dissipation characteristics simultaneously only at big capacity, applications that electric pressure is high, for low capacity low-voltage occasion, is not calculated on the Financial cost.
Document four is Xi'an Qineng High-End Electrical Apparatus Co.Ltd in application in 20074 months 28 days, on March 19th, 2008 Granted publication, Granted publication number be the Chinese invention patent application bulletin file of CN201038989Y, based on the antiparallel structure realization of thyristor.Two planes of the thyristor that inverse parallel connects all are fixed with radiator, radiator is an one by drawing group excellent cross-under, extend in the balladeur train and draw the two ends of dialling rod, balladeur train is fixed on the mechanical framework, other electronic equipments also are installed on the framework, and this cover equipment is mainly used in the large-scale electric equipment soft start.This antiparallel assembling also is to adopt N integral body to press-fit, and for N when very big, faces the problem that requires of the length requirement difficult problem of press mounting structure spare and press-loading device equally.
Document five is published in the paper " static reactive the complete sets of equipment thyristor valve group " on " power electronic technology " of 2010 the 4th phases for the Yang Xianwei of Guizhou Rong Ji safety science and technology limited Company, mainly introduced the principle of this dynamic passive compensation of TCR+FC type SVC and filter, the composition of TCR thyristor valve and the major function of TCR valve each several part.Also be to adopt horizontal water cooling method, the frame mode of core component thyristor valve also is to adopt N thyristor and N+1 water-filled radiator to intersect closed assembly to suppress and form a thyristor and pile, and is piled by two thyristors and carries out inverse parallel and form.Defective is roughly similar to above mentioned several water-cooling type patents, and because of relating to water circuit system, the hidden danger of existence is many, and the Maintenance and Repair workload is big.
Summary of the invention
The purpose of this invention is to provide a kind of self cooling non-maintaining, high reliability, low-power consumption, long section bar heat radiating type thyristor valve group of life-span, this thyristor valve group not only heat dispersion reaches requirement, can guarantee the system stability reliability service, simultaneously simple in structure, safeguard easy, good in economic efficiency, the SVC application scenario of low capacity in being suitable for.
The invention provides a kind of embodiment of Static Var Compensator thyristor valve group; a kind of Static Var Compensator thyristor valve group; comprise one group or one group of above anti-parallel thyristor unit module of series connection mutually; the resistance-capacitance protection unit module; plate class unit module; framework and insulator; the anti-parallel thyristor unit module; the resistance-capacitance protection unit module; plate class unit module all is fixed on the framework; the resistance-capacitance protection unit module comprises resistance and electric capacity; insulator is fixed on the framework; support and the fixing framework of thyristor valve group by insulator; the anti-parallel thyristor unit module comprises that thyristor and section bar are from radiator structure; thyristor and section bar combine by press-fit approach from radiator structure, realize heat radiation to thyristor by heat conduction and heat radiation and heat loss through convection.
As the further execution mode of the present invention, section bar further comprises two antiparallel thyristors, a main radiator, two secondary radiators from radiator structure, and a main radiator and two secondary radiators are fitted in two antiparallel thyristors wherein respectively.The structural design of this heat radiation form not only volume is little, and is easy to assembly, and than heat pipe heat radiation and water-cooling, the hidden danger of existence is few, is easy to detect safeguard.
As the further execution mode of the present invention, section bar further comprises butterfly spring from radiator structure, top board, lower platen, alignment pin, high-tension insulating bushing and securing member, two thyristors oppositely are placed between main radiator and the secondary radiator and form heat-sink unit, by the bounce of butterfly spring deformation, and alignment pin, insulating sleeve and securing member are fitted in two thyristors between top board and the lower platen, form an anti-parallel thyristor unit module.Bounce by the butterfly spring distortion makes thyristor bear certain pressure assembling force, and main radiator is contacted with thyristor well with secondary radiator, reduces contact heat resistance effectively.
As the further execution mode of the present invention, framework comprises right support, left socle and isolation beam, and right support, left socle and isolation beam are assembled into framework by securing member, and right support and left socle provide vertical support, and isolation beam provides cross-brace.
As the further execution mode of the present invention; the anti-parallel thyristor unit module; resistance-capacitance protection unit module, plate class unit module all are fixed on the framework by isolation beam; anti-parallel thyristor unit module string is contained in the place ahead of thyristor valve group; plate class unit module comprises trigger board and BOD(Break Over Diode; breakdown diode) plate; trigger board and BOD plate concentrate the compartment of terrain to be installed in the back lower place of thyristor valve group side by side; form a plate modular unit, the resistance-capacitance protection unit is installed in the back upper place of thyristor valve group.Such structural design can effectively be utilized the effect of free convection, and the heat that resistance is produced is taken away with thermal convection, can not make trigger board and BOD plate produce overheated and damages.The heat that many simultaneously string anti-parallel thyristor unit modules produce also can be taken away with free convection, helps heat radiation.
As the further execution mode of the present invention; the electric capacity of resistance-capacitance protection unit module is fixed on the isolation beam by fixed support; resistance one-tenth module parallel with one another, and become capacitor resistor unit to be supported and fixed on the isolation beam by resistor cartridge, resistance and electric capacity are arranged separately.As the further execution mode of the present invention, isolation beam adopts epoxy cloth panel material, can further solve the High-Voltage Insulation of valve group and all press the shielding problem.
As the further execution mode of the present invention; the gate pole of thyristor is connected with the twisted-pair feeder of negative electrode by the overcoat insulating sleeve; the resistance-capacitance protection unit module connects by high-voltage line; trigger board and BOD plate have the plug or the interface of standard; by being connected and the interface of plate class unit module of thyristor and resistance-capacitance protection unit module, realize that a pair of anti-parallel thyristor unit module connects a pair of resistance-capacitance protection unit module.
As the further execution mode of the present invention, the anti-parallel thyristor unit module is connected with fastening bolt by busbar realizes being connected in series each other.
As the further execution mode of the present invention, main radiator and secondary radiator adopt the aluminium section bar radiator structure.
By using the described Static Var Compensator thyristor valve of embodiment of the present invention group, the anti-parallel thyristor unit module is little because of volume, low-power consumption, and the life-span is long, and is self cooling non-maintaining, easy to assembly, press-fits also available torque spanner and press-fits.And the valve group of this section bar heat radiating type not only volume is little, and structure assembling is simple, than heat pipe heat radiation and water-cooling, the hidden danger of existence seldom, the reliability height is easy to detect and safeguards.Simultaneously the layout of total not only helps the heat loss through convection of valve body, and makes the connection simple possible of each intermodule, and overall routing is more attractive in appearance.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation one-stereogram of a kind of Static Var Compensator thyristor valve of the present invention group;
Fig. 2 is the structural representation two-front view of a kind of Static Var Compensator thyristor valve of the present invention group;
Fig. 3 is the structural representation three-vertical view of a kind of Static Var Compensator thyristor valve of the present invention group;
Fig. 4 is the structural representation four-left view of a kind of Static Var Compensator thyristor valve of the present invention group;
Fig. 5 is the structural representation one-stereogram of a kind of Static Var Compensator thyristor valve of the present invention group anti-parallel thyristor unit module;
Fig. 6 is the structural representation two-front view of a kind of Static Var Compensator thyristor valve of the present invention group anti-parallel thyristor unit module;
Fig. 7 is the structural representation of a kind of Static Var Compensator thyristor valve of the present invention group capacitor resistor unit module;
Fig. 8 is the structural representation of a kind of Static Var Compensator thyristor valve of the present invention group plate class unit module;
Wherein: 1-thyristor, 2-master's radiator, 3-secondary radiator, 4-butterfly spring, 5-top board, 6-lower platen, the 7-alignment pin, 8-insulating sleeve, 9-resistance, 10-electric capacity, 11-trigger board, 12-BOD plate, the 13-busbar, 14-right support, 15-left socle, 16-insulator, 17-isolation beam.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is a part of embodiment of the present invention, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
Embodiment as a kind of Static Var Compensator thyristor valve of the present invention group; as shown in Figure 1; the thyristor valve group of section bar cooling heat dissipation by N anti-parallel thyristor unit module connect, combinations such as resistance-capacitance protection unit module, plate class (trigger board 11, BOD plate 12) unit module, wire casing, framework, insulator 16 realize, adopt horizontal type structure.
This kind Static Var Compensator thyristor valve group can be according to the difference of electric pressure, adopt the anti-parallel thyristor unit module of varying number, comprising that the main radiator of two antiparallel thyristors 1 and 2, two secondary heat radiations 3 press-fit forms, as shown in Figure 5 and Figure 6.Wherein, main radiator 2 and secondary radiator 3 adopt aluminium section bar, and the anti-parallel thyristor unit module is simply connected.Many string anti-parallel thyristor unit modules, the resistance-capacitance protection unit comprises resistance 9 and electric capacity 10, as shown in Figure 7, plate class unit module comprises trigger board 11 and BOD plate 12, as shown in Figure 8, is installed on the framework of valve group.Many string anti-parallel thyristor unit module strings are contained in the place ahead of valve group, and trigger board 11 and BOD plate 12 centralised arrangement side by side can be formed a plate modular unit in the back lower place, and the resistance-capacitance protection unit is installed in the back upper place.Because the effect of free convection, the heat that resistance 9 produces is taken away with thermal convection, just can not make trigger board 11 and BOD plate 12 produce overheated and damage.The heat that many simultaneously string anti-parallel thyristor unit modules produce also can be taken away with free convection, helps heat radiation.All these elements all are contained on the isolation beam 17, and isolation beam 17 adopts epoxy cloth panel material, can solve the High-Voltage Insulation problem of valve group and all press the shielding problem.
The anti-parallel thyristor unit module is by two thyristors 1, main radiator that the type aluminium is plate 2, two secondary radiators that the type aluminium is plate 3, butterfly spring 4, high-tension insulating bushing 8, and top board 5, lower platen 6, alignment pin 7 and securing member are formed.Two thyristors 1 oppositely are placed between main radiator 2 and the secondary radiator 3, press-fit into an anti-parallel thyristor unit module by top board 5 with lower platen 6, butterfly spring 4, alignment pin 7, high-tension insulating bushing 8 and securing member.Adopt the thyristor valve group of section bar heat radiating type, owing to adopt Section Bar Heat Sinks, can realize heat radiation by heat conduction and heat radiation and heat loss through convection to the thyristor element.
The resistance-capacitance protection unit module is made of electric capacity 10 and resistance 9, and electric capacity 10 is fixed on the isolation beam 17 that the epoxy fabric swatch makes by the fixed support of design voluntarily, and a plurality of resistance 9 little module that is formed in parallel is fixed on the isolation beam 17 again.
Plate class unit module is made up of trigger board 11 and BOD plate 12, and is neat at interval placed side by side on isolation beam 17.
Framework is welded by steel plate, and the anti-parallel thyristor unit module that is together in series is placed on the front lower place of valve framing, and what thing the front upper place does not let alone, and helps the heat loss through convection of Section Bar Heat Sinks like this; Plate class unit module comprises trigger board 11 and BOD plate 12, is placed on the back lower place of valve framing; The capacitor resistor unit module comprises resistance 9 and electric capacity 10, is placed on the back upper place of valve framing, helps the heat loss through convection of resistance 9 like this, does not constitute the temperature effect to trigger board 11 and BOD plate 12 simultaneously.
The gate pole of thyristor 1 and negative electrode connecting line all adopt twisted-pair feeder, and the outside is with insulating sleeve, can improve insulation and shielding action.High-voltage line is all adopted in the connection of resistance-capacitance protection unit module; trigger board 11 and BOD plate 12 all have the unified plug of standard or other interfaces; interface by these connections and plate class; to realize that a pair of anti-parallel thyristor unit module connects a pair of resistance-capacitance protection unit module, each anti-parallel thyristor unit module is connected realization series connection mutually by the busbar 13 of hard with fastening bolt.Each unit module all is fixed on the isolation beam 17 of epoxy fabric swatch, and isolation beam 17 is on the outside framework that is fixed on the valve group, and valve framing integral body is supported by insulator 16.
At first, select the main radiator 2 of type aluminium for use, secondary radiator 3 and thyristor element are assembled the anti-parallel thyristor unit module, select for use resistance bracing frame and resistance 9 and electric capacity 10 its corresponding bracing frames to be assembled into the resistance-capacitance protection unit module.The resistance-capacitance protection unit module; constitute by resistance 9 and electric capacity 10; resistance unit is made up of a plurality of parallel resistances 9; there is resistor cartridge to support; resistor cartridge is fixed on the epoxy fabric swatch 17; electric capacity 10 also is fixed on this epoxy fabric swatch 17 the alternate layout of resistance unit and capacitor cell by the bracing frame of design voluntarily.Select trigger board 11 for use, trigger board box and BOD plate 12 its corresponding boxes are assembled, and prepare to be assembled into plate class unit module.Plate class unit module is made up of trigger board 11 and BOD plate 12, and two kinds of plate profiles are unified, alternate being arranged together, and the wiring between is simply attractive in appearance separately, and global design is neat and artistic.Secondly, carry out building of valve framing.Framework is mainly assembled by right support 14, left socle 15, isolation beam 17 and securing member, and right support 14 and left socle 15 provide vertical support, and isolation beam 17 provides cross-brace.At last, each unit module is fixed on separately on the corresponding insulation beam 17, carries out each unit module according to Wiring technique and connect.
The anti-parallel thyristor unit module is little because of volume, easy to assembly, press-fit also available torque spanner and press-fit, so not only volume is little for this kind section bar heat radiating type valve group, and the structure assembling is simple, than heat pipe heat radiation and water-cooling, the hidden danger that exists seldom and is easy to detect and safeguards that the layout on the total not only helps the heat loss through convection of valve body simultaneously, and making the connection simple possible of each intermodule, overall routing is more neat and artistic.The valve group can be determined the size of N value according to user's actual capacity situation, simultaneously according to user's space, place can take placed side by side, bunchiness is placed or two valve groups stack.
Be directed to big capacity, the power density height is used the thyristor valve group of heat pipe heat radiation type thyristor valve group and water-cooling type mostly to the demanding occasion of dispelling the heat, and this valve group is fine aspect radiating effect.Yet in middle low capacity occasion, section bar heat radiating type valve group not only can satisfy the requirement of heat radiation, and is simple in structure, do not have the defective and the hidden danger of heat pipe type or water-cooling type.Simultaneously, also the thyristor valve group than heat pipe heat radiating type thyristor valve group and water-cooling type is simple aspect safeguarding in installation and measuring, and it is little to take up an area of the space.Because but this kind section bar heat radiating type valve group flexible combination not only can realize the individual layer series connection, also can be in parallel, can also stack; Last macroeconomic cost is low, so the better economic benefit of section bar heat radiating type valve group.
The section bar heat radiation thyristor valve group of the self cooling mode of this kind aluminium radiator is widely used in the field of low capacity in electric iron, colliery, the harbour etc.Go for 3 phase 6KV, 10KV, 35K and the single-phase electric pressures such as 27.5KV of electric iron.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. Static Var Compensator thyristor valve group; it is characterized in that: comprise one group or one group of above anti-parallel thyristor unit module of series connection mutually; the resistance-capacitance protection unit module; plate class unit module; framework and insulator; the anti-parallel thyristor unit module; the resistance-capacitance protection unit module; plate class unit module all is fixed on the framework; the resistance-capacitance protection unit module comprises resistance and electric capacity; insulator is fixed on the framework; support and the fixing framework of thyristor valve group by insulator; the anti-parallel thyristor unit module comprises that thyristor and section bar are from radiator structure; thyristor and section bar combine by press-fit approach from radiator structure, realize heat radiation to thyristor by heat conduction and heat radiation and heat loss through convection.
2. a kind of Static Var Compensator thyristor valve group according to claim 1, it is characterized in that: described section bar comprises two antiparallel thyristors (1), a main radiator (2), two secondary radiators (3) from radiator structure, and a main radiator (2) and two secondary radiators (3) are fitted in two antiparallel thyristors (1) wherein respectively.
3. a kind of Static Var Compensator thyristor valve group according to claim 2, it is characterized in that: described section bar comprises butterfly spring (4) from radiator structure, top board (5), lower platen (6), alignment pin (7), high-tension insulating bushing (8) and securing member, two thyristors (1) oppositely are placed between main radiator (2) and the secondary radiator (3) and form heat-sink unit, bounce by butterfly spring (4) deformation, and alignment pin (7), insulating sleeve (8) and securing member are fitted in two thyristors (1) between top board (5) and the lower platen (6), form an anti-parallel thyristor unit module.
4. according to claim 1 or 2 or 3 described a kind of Static Var Compensator thyristor valve groups, it is characterized in that: described framework comprises right support (14), left socle (15) and isolation beam (17), right support (14), left socle (15) and isolation beam (17) are assembled into framework by securing member, right support (14) and left socle (15) provide vertical support, and isolation beam (17) provides cross-brace.
5. a kind of Static Var Compensator thyristor valve group according to claim 4; it is characterized in that: described anti-parallel thyristor unit module; the resistance-capacitance protection unit module; plate class unit module all is fixed on the framework by isolation beam (17); anti-parallel thyristor unit module string is contained in the place ahead of thyristor valve group; plate class unit module comprises trigger board (11) and BOD plate (12); trigger board (11) concentrates the compartment of terrain to be installed in the back lower place of thyristor valve group with BOD plate (12) side by side; form a plate modular unit, the resistance-capacitance protection unit is installed in the back upper place of thyristor valve group.
6. a kind of Static Var Compensator thyristor valve group according to claim 5; it is characterized in that: the electric capacity of described resistance-capacitance protection unit module (10) is fixed on the isolation beam (17) by fixed support; resistance (9) one-tenth module parallel with one another; and becoming capacitor resistor unit to be supported and fixed on the isolation beam (17) by resistor cartridge, resistance and electric capacity are arranged separately.
7. according to claim 5 or 6 described a kind of Static Var Compensator thyristor valve groups; it is characterized in that: the gate pole of described thyristor (1) is connected with the twisted-pair feeder of negative electrode by the overcoat insulating sleeve; the resistance-capacitance protection unit module connects by high-voltage line; plug or interface that trigger board (11) and BOD plate (12) have standard; by being connected and the interface of plate class unit module of thyristor (1) and resistance-capacitance protection unit module, realize that a pair of anti-parallel thyristor unit module connects a pair of resistance-capacitance protection unit module.
8. a kind of Static Var Compensator thyristor valve group according to claim 7 is characterized in that: described anti-parallel thyristor unit module is connected with fastening bolt by busbar (13) realizes being connected in series each other.
9. a kind of Static Var Compensator thyristor valve group according to claim 8 is characterized in that: described isolation beam (17) adopts epoxy cloth panel material.
10. a kind of Static Var Compensator thyristor valve group according to claim 9 is characterized in that: described main radiator (2) and secondary radiator (3) adopt the aluminium section bar radiator structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN102290495A (en) * | 2011-09-20 | 2011-12-21 | 株洲变流技术国家工程研究中心有限公司 | Press-mounting method of horizontal type light-controlled thyristor valve group and thyristor valve group |
| CN103618529A (en) * | 2013-11-19 | 2014-03-05 | 国家电网公司 | Modularized thyristor valve block for solid combination switch device |
| CN104779538A (en) * | 2015-04-13 | 2015-07-15 | 山西汾西机电有限公司 | Cuboid support adopting epoxy cloth profiles |
| CN107546962A (en) * | 2017-09-05 | 2018-01-05 | 国网江苏省电力公司南京供电公司 | A kind of thyristor bypass switch valve module |
| CN107740142A (en) * | 2017-10-18 | 2018-02-27 | 九江赛晶科技股份有限公司 | The lower thyristor rectifier device redundancy handover control system of compensation operation in a kind of aluminium cell |
| CN108417547A (en) * | 2018-04-17 | 2018-08-17 | 全球能源互联网研究院有限公司 | A kind of thyristor press-assembling structure |
| EP3547485A1 (en) * | 2018-03-30 | 2019-10-02 | LSIS Co., Ltd. | Switch assembly for a reactive power compensation apparatus |
| EP3547484A1 (en) * | 2018-03-30 | 2019-10-02 | LSIS Co., Ltd. | Switch assembly for a reactive power compensation apparatus |
| CN111128927A (en) * | 2020-03-31 | 2020-05-08 | 深圳市永联科技股份有限公司 | High-power thyristor module heat abstractor |
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| CN102290495A (en) * | 2011-09-20 | 2011-12-21 | 株洲变流技术国家工程研究中心有限公司 | Press-mounting method of horizontal type light-controlled thyristor valve group and thyristor valve group |
| CN103618529A (en) * | 2013-11-19 | 2014-03-05 | 国家电网公司 | Modularized thyristor valve block for solid combination switch device |
| CN104779538A (en) * | 2015-04-13 | 2015-07-15 | 山西汾西机电有限公司 | Cuboid support adopting epoxy cloth profiles |
| CN104779538B (en) * | 2015-04-13 | 2017-01-04 | 山西汾西机电有限公司 | Epoxy cloth section bar cuboid support |
| CN107546962A (en) * | 2017-09-05 | 2018-01-05 | 国网江苏省电力公司南京供电公司 | A kind of thyristor bypass switch valve module |
| CN107740142A (en) * | 2017-10-18 | 2018-02-27 | 九江赛晶科技股份有限公司 | The lower thyristor rectifier device redundancy handover control system of compensation operation in a kind of aluminium cell |
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| EP3547485A1 (en) * | 2018-03-30 | 2019-10-02 | LSIS Co., Ltd. | Switch assembly for a reactive power compensation apparatus |
| EP3547484A1 (en) * | 2018-03-30 | 2019-10-02 | LSIS Co., Ltd. | Switch assembly for a reactive power compensation apparatus |
| US10727652B2 (en) | 2018-03-30 | 2020-07-28 | Lsis Co., Ltd. | Switch assembly of reactive power compensation apparatus |
| US10749018B2 (en) | 2018-03-30 | 2020-08-18 | Lsis Co., Ltd. | Switch assembly of reactive power compensation apparatus |
| CN110323752B (en) * | 2018-03-30 | 2023-09-12 | Ls产电株式会社 | Switch assembly of reactive power compensation device |
| CN108417547A (en) * | 2018-04-17 | 2018-08-17 | 全球能源互联网研究院有限公司 | A kind of thyristor press-assembling structure |
| CN108417547B (en) * | 2018-04-17 | 2024-03-29 | 全球能源互联网研究院有限公司 | Thyristor press-fitting structure |
| CN111128927A (en) * | 2020-03-31 | 2020-05-08 | 深圳市永联科技股份有限公司 | High-power thyristor module heat abstractor |
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