CN201690235U - Electric structure of automatic switching solid combination switch - Google Patents

Electric structure of automatic switching solid combination switch Download PDF

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Publication number
CN201690235U
CN201690235U CN 200920292568 CN200920292568U CN201690235U CN 201690235 U CN201690235 U CN 201690235U CN 200920292568 CN200920292568 CN 200920292568 CN 200920292568 U CN200920292568 U CN 200920292568U CN 201690235 U CN201690235 U CN 201690235U
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CN
China
Prior art keywords
thyristor
power supply
phase
combination switch
valve string
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Expired - Fee Related
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CN 200920292568
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Chinese (zh)
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李鹏
李卫国
马海超
刘宏
李志友
赵刚
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China Electric Power Research Institute Co Ltd CEPRI
China EPRI Science and Technology Co Ltd
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China Electric Power Research Institute Co Ltd CEPRI
China EPRI Science and Technology Co Ltd
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Priority to CN 200920292568 priority Critical patent/CN201690235U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/30Reactive power compensation

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Abstract

The utility model relates to an electric structure of an automatic switching solid combination switch, wherein an incoming line of a three-phase system bus is connected in series with a reactor; an outgoing line of the reactor is connected with capacitors; the outgoing line ends of the A/D two-phase capacitors are connected with two groups of thyristor valve strings; and the valve strings are connected in parallel with a contactor and is in short-circuit connection with the outgoing line of the B phase capacitor. A wall bushing, a bus-connected copper bus, thyristor valve strings, an insulator, a thyristor valve high potential electron plate (TE plate), a TE plate energy transmitting power supply, a high-frequency current transformer, a high-voltage cable, an energy transmitting magnetic ring transformer, a vacuum contactor, a valve base electronic device (VBE), an adjusting unit and a man machine interface part are integrated into a whole through a cabinet. The electric structure can be directly hung on a high-voltage electric power system, and the high-low voltage systems are ensured to be insulated; and moreover, the contactor can be automatically switched at the zero-crossing point under the reactive power state of the system, and the solid combination switch can be operated through the cabinet during the operation period.

Description

A kind of electrical structure of solid combination switch
Technical field
The utility model relates to a kind of electric power system that is applied to, control device under the situation of no arc automatically or the electrical structure of the solid combination switch of manual switching contactor.
Background technology
At present, the solid combination switch that power electronic equipment is used, mainly be to be applied to low-voltage power system, adopt thyristor in parallel with relay, and adopt analog circuit to control, Chinese patent application for example: 200720178283 disclose a kind of intelligent combination switch, comprise switch housing, high pressure input terminal, artificial intelligence control circuit, zero cross fired and pulse driving circuit, controllable silicon in parallel and relay circuit etc. with it.But the electric insulation ability of this device is low, and reactive compensation capacity is little, can't be applied to high-pressure system.
The utility model content
In order to make solid combination switch be applied to high-voltage electric power system, and save resource to the full extent, the utility model adopts compact structure, under the situation that guarantees the high-low pressure insulation, system is only in parallel with contactor at A, the C two two groups of thyristor valve strings that join, and the high-tension apparatus and the low voltage control system of solid combination switch be installed in the rack, thyristor valve string adopts vertical structure, reduced floor space, and increased deciliter spanner and manually, automatically and the human-computer interaction link such as withdraw from, increased the operability and the reliability of combination switch.
The technical scheme that the utility model technical solution problem is adopted is:
A kind of solid combination switch electrical structure, the bus inlet wire of described three-phase power supply system is linked into the reactor that series connection is provided with, the reactor outlet that series connection is provided with is linked into capacitor, the capacitor leading-out terminal that the A of described three-phase power supply system, C two are connected is connected with the head end of two groups of thyristor valve strings in being arranged on rack, described thyristor valve string is in parallel with vacuum contactor, the B of described thyristor valve string tail end and described three-phase power supply system is capacitor leading-out terminal phase short circuit mutually, and described solid combination switch control system is controlled thyristor valve string and contactor respectively.
Wherein, parts in the described rack comprise: wall bushing, bus connects copper bar, thyristor valve string, insulator, thyristor trigger board valve high potential electron plate TE, thyristor trigger board is sent the energy power supply, high-frequency current transformer, high-tension cable, high-frequency step-up transformer, vacuum contactor, valve base electronic installation VBE, regulon and man-machine interface part, its concrete connected mode is: the three-phase high-voltage power supply connects reactor, then capacitor is connected with reactor, three-phase capacitor connects wall bushing afterwards, three wall bushings enter the solid combination switch cabinet, the A of described three-phase power supply system, the C two-phase connects copper bar with bus and connects wall bushing in the solid combination switch cabinet, connects the head end that copper bar connects thyristor valve string with bus then, thyristor valve string and vacuum contactor parallel connection, the A of described three-phase power supply system, the B phase bus of C two-phase thyristor valve string tail end and described three-phase power supply system is connected the copper bar short circuit; Constituting of described every shish-kebab gate tube valve string: two positive inverse parallels of thyristor constitute one group, organize connection in series-parallel more and constitute a string; The A of described three-phase power supply system, C two-phase are made of two shish-kebab gate tube valve strings.Every group of thyristor all has a high potential electron plate of thyristor valve TE.High potential electron plate of thyristor valve TE connects the gate pole and the negative electrode of two thyristors of common cathode; It can power supply be high-frequency impulse with the frequency conversion of direct current 220V voltage that every shish-kebab gate tube valve string is all sent by a thyristor trigger board, gives the high-frequency current transformer input; Every TE plate all has one to send the energy magnetic ring transformer, is passed by high-tension cable, and the output of high-tension cable two termination high-frequency current transformers, high-frequency current transformer will send the electric energy of energy power supply to carry out the step-down up-flow, and the TE plate of giving every shish-kebab gate tube valve string provides power supply; Regulon is responsible for calculating the reactive power of three-phase high-voltage power supply, and the instruction of output switching, and valve base electronic installation VBE receives switching instruction back and triggers thyristor, deciliter contactor.The man-machine interface part links to each other with VBE, is used to show the operating state and the solid combination switch operating state of thyristor valve string.
Wherein, thyristor valve string adopts vertical cascaded structure, forms inner frame by a fin between the thyristor of every shish-kebab gate tube valve string head and the tail by 3 head end transition adjustment circle aluminium, 1 tail end transition adjustment circle aluminium and two shish-kebab gate tube valve strings and per two series connection; Head end transition adjustment circle aluminium upside at thyristor valve string is with the dish spring on the stage clip guide rod; Upside at the dish spring is equipped with water conservancy diversion copper bar and flange successively; Tail end transition adjustment circle aluminium downside at thyristor valve string is equipped with water conservancy diversion copper bar and flange successively, fixes with four insulated columns between the head end of thyristor valve string and the tail end flange, fixes an insulator in tail end flange lower end, and insulator is connected with channel-section steel with at the bottom of the cabinet; Link to each other with insulator between the head end flange of thyristor valve string and the cabinet, the insulator bottom is fixed on the cabinet with channel-section steel, plays insulation and fixing effect; Link to each other with epoxy plate between the thyristor valve string, thyristor valve string and each insulator and insulated column are fixed in the cabinet.
Wherein, described man-machine interface partly comprises: deciliter spanner, operating state spanner, contactor deciliter indicator light and air switch.
Wherein, described regulon comprises: a power panel BD is used for power supply being provided and receiving the secondary singal of three-phase high-voltage power supply voltage transformer summation current transformer to the regulon integrated circuit board; A tributary signal tablet N1 is used for when a plurality of branch road of needs switching each line state being input to this tributary signal tablet; A dsp board N2, it is idle to be used for being responsible for calculating three-phase power supply system; Two relay board N3 and N4 are responsible for the instruction of output switching.
Wherein, described valve base electronic installation VBE comprises: a power panel POWER is used for providing power supply to VBE; One is triggered logic card TLT, and be used to receive switching instruction back and trigger thyristor, and deciliter contactor; Two trigger board TRIG1 and TRIG2 are used for trigger command is passed to every high potential electron plate TE with the form of light signal; Two thyristor state information dash receiver OPTO1 and OPTO2 are used for being responsible for receiving the work state information of thyristor, pass to valve base electronic installation VBE with light signal in form.
The beneficial effects of the utility model are: from integrally-built angle, this product is a compact device, and floor space is little, and external cabling is few, and overall structure is simple, but direct screening is in high-voltage electric power system.
Description of drawings
In order to make content of the present utility model by clearer understanding, and be convenient to the description of embodiment, it is as follows to provide the description of drawings relevant with the utility model below:
Fig. 1 is the system configuration schematic diagram of solid combination switch of the present utility model;
Fig. 2 is the front view of solid combination switch rack of the present utility model;
Fig. 3 is an equipment electrical structure schematic diagram in the cabinet of the present utility model, and wherein Fig. 3-1 removes the Qianmen front view for solid combination switch, and Fig. 3-2 removes the Qianmen end view for solid combination switch;
Fig. 4 is the electrical structure schematic diagram of thyristor valve string of the present utility model;
Fig. 5 is the structural representation of regulon of the present utility model;
Fig. 6 is the structural representation of the back terminal of valve base electronic installation of the present utility model;
Wherein, 1. front cabinet door, 2. man-machine interface part, 3. regulon, 4. deciliter spanner, 5. operating state spanner, 6. contactor deciliter indicator light, 7. air switch, 8. wall bushing, 9. bus connects copper bar, 10. thyristor trigger board is sent the energy power supply, 11. high-frequency current transformer, 12. insulator, 13. high-tension cable, 14. high-frequency step-up transformer, 15. thyristor trigger board valve high potential electron plate TE, 16. thyristor valve string, 17. vacuum contactor, 18. epoxy plate, 19. head end flange, 20. dish spring, 21. head end transition adjustment circle aluminium, 22. fin, 23. insulated column, 24. tail end transition adjustment circle aluminium, 25. tail end flange, 26. insulator at the bottom of the cabinet, 27. channel-section steel.
Embodiment
Below in conjunction with accompanying drawing solid combination switch electrical structure of the present utility model is described in further detail.
Fig. 1 is the primary system electrical structure diagram of solid combination switch.Among the figure, A, B, C are system's three-phase bus, and N is a capacitor group filter branch neutral point.Three-phase bus connects reactor respectively, and then with reactor and capacitors in series, A, the outlet of C two-phase capacitor tail end connect the head end of thyristor valve string, and thyristor valve string is in parallel with contactor, and A, C two-phase thyristor valve string tail end and B be capacitor outlet short circuit mutually.This kind connection is primarily aimed in the switching mode of synchronous switching three-phase condenser bank, and under the situation that contactor disconnects and thyristor does not trigger, B can't constitute current circuit mutually with other mutually, so B phase capacitor is equivalent to there is not connecting system.At first trigger thyristor by regulating the solid combination switch control system I that power supply and valve base electronic unit form, deciliter contactor again, there is current circuit in other two-phase after B and the conducting at this moment, and three-phase filter branch capacitor group has inserted system.The switching that so neither delays three-phase condenser bank has been saved one group of thyristor valve string again, has saved investment.
The front view of Fig. 2 solid combination switch rack of the present utility model, it mainly forms regulon 3, valve base electronic installation VBE and man-machine interface part 2 by three parts.According to indicating among the figure: 1. front cabinet door; 2. the man-machine interface part of valve base electronic control unit, main effect is control thyristor valve group and the switching of vacuum contactor and the supervision of thyristor state; 3. regulon, the idle instantaneous value of computing system, and send the switching instruction in the needs opening-closing capacitor bank, for the valve base electronic unit; 4. deciliter spanner when the operating state spanner is positioned at the manual work mode, can turns deciliter spanner and send deciliter instruction for the valve base electronic unit; 5. the operating state spanner is divided into three kinds of working methods, manual mode, automated manner and withdraw from control mode; 6. contactor deciliter indicator light, the disconnection of detector bar and closure; 7. air switch is power supply or the voltage signal access solid combination switch with the outside.Order from left to right is: adjusting cabinet DC power supply air switch, VBE cabinet DC power supply air switch, A phase thyristor trigger board are sent energy power supply, C phase thyristor trigger board to send energy power supply, blower fan and mains lighting supply (blower fan is for equipment in the rack is played certain cooling effect), are regulated cabinet ac voltage power supply (connecting system voltage transformer secondary voltage, as idle calculated data), VBE cabinet ac voltage power supply (connecting system voltage transformer secondary voltage is as triggering the thyristor synchronizing voltage);
Fig. 3 is the vertical section structural map of first embodiment of solid combination switch, Fig. 3-the 1st wherein, and solid combination switch removes the front view at Qianmen, and Fig. 3-the 2nd, solid combination switch remove the end view at Qianmen.According to indicating among the figure: 8. wall bushing, direct welding system high voltage bus, and play effect with the cabinet insulation; 9. bus connects copper bar; 10. thyristor trigger board is sent the energy power supply, and direct current is become high-frequency alternating current; 11. high-frequency current transformer is the high-frequency alternating current step-down up-flow that send the energy power supply; 12. insulator plays the cross-brace effect of vertical thyristor valve string, and insulate with solid combination switch cabinet door; 13. high-tension cable is connected on the high-frequency current transformer low-pressure side, for the high-frequency step-up transformer of thyristor trigger board provides energy.14. high-frequency step-up transformer is as the thyristor trigger board power supply.15. high potential electron plate of thyristor valve TE links to each other with the repayment plate with the triggering signal output board of VBE cabinet by optical fiber, receives the trigger command of VBE cabinet, and can state feedback give the valve base electronic unit with valve with getting; 16. thyristor; 17. vacuum contactor.Concrete connected mode is: the three-phase high-voltage power supply connects reactor, then capacitor is connected with reactor, A, C two-phase capacitor outlet termination wall bushing enter the solid combination switch cabinet afterwards, connect copper bar with bus then and connect the thyristor valve string head end, thyristor valve string and vacuum contactor parallel connection, A, C two-phase thyristor valve string tail end and B be capacitor outlet short circuit mutually.Constituting of every shish-kebab gate tube valve string: two positive inverse parallels of thyristor constitute one group, organize connection in series-parallel more and constitute a string.A, C two-phase are made of two shish-kebab gate tube valve strings.Every group of thyristor all has a high potential electron plate of thyristor valve.The TE plate connects the gate pole and the negative electrode of two thyristors of common cathode.It can power supply be high-frequency impulse with the frequency conversion of direct current 220V voltage that every shish-kebab gate tube valve string is all sent by a thyristor trigger board, gives the high-frequency current transformer input.Every TE plate all has one to send the energy magnetic ring transformer, is passed by high-tension cable, and the output of high-tension cable two termination high-frequency current transformers, high-frequency current transformer will send the electric energy of energy power supply to carry out the step-down up-flow, and the TE plate of giving every shish-kebab gate tube valve string provides power supply.Regulon is responsible for calculating the reactive power of three-phase high-voltage power supply, and the instruction of output switching, and the valve base electronic installation receives switching instruction back and triggers thyristor, deciliter contactor.
Fig. 4 is the thyristor valve string electrical structure diagram.According to indicating among the figure: 18. epoxy plates; 19. head end flange; 20. dish spring; 21. head end transition adjustment circle aluminium; 22. fin; 23. insulated column; 24. tail end transition adjustment circle aluminium; 25. tail end flange; 26. insulator at the bottom of the cabinet; 27. channel-section steel.Thyristor valve string adopts vertical cascaded structure, forms inner frame by a fin between the thyristor of every shish-kebab gate tube valve string head and the tail by 3 head end transition adjustment circle aluminium, 1 tail end transition adjustment circle aluminium and two shish-kebab gate tube valve strings and per two series connection; Head end transition adjustment circle aluminium upside at thyristor valve string is with the dish spring on the stage clip guide rod; Upside at the dish spring is equipped with water conservancy diversion copper bar and flange successively; Tail end transition adjustment circle aluminium downside at thyristor valve string is equipped with water conservancy diversion copper bar and flange successively, fixes with four insulated columns between the head end of thyristor valve string and the tail end flange, fixes an insulator in tail end flange lower end, and insulator is connected with channel-section steel with at the bottom of the cabinet.Link to each other with insulator between the head end flange of thyristor valve string and the cabinet, the insulator bottom is fixed on the cabinet with channel-section steel, plays insulation and fixing effect.Link to each other with epoxy plate between the thyristor valve string, thyristor valve string and each insulator and insulated column are fixed in the cabinet.
Fig. 5 is the regulon structural representation.Constitute by 5 integrated circuit boards altogether, be respectively: N1, N2, N3, N4 and BD plate.N1 is the switching value tablet, and regulon N1 plate can be checked the on off state of totally 6 branch roads.Open into 1 to opening the auxiliary node that connects 6 branch switchs into 6, show the on off state of 6 branch roads.Open into 7 to opening into 12 being the protection block signal of 6 branch roads, in case i.e. certain branch protection action, then this branch road can not drop into.Owing to be during the switching branch road according to the order input of branch road 1 to branch road 6, be according to of the order excision of excision branch road 6 during excision to branch road 1, this branch road of switching not when the protected branch road of switching, the next branch road of the switching of postponing.Opening into 13 and open into 14 and be the working method of regulon, is each branch road of automatic switching during automated manner, controls the N3 plate by external command during manual mode and the N4 plate carries out switching.N2 is the expansion card of N1 integrated circuit board, is used for later expanded function.N3 and N4 plate be for leaving integrated circuit board, is used for 6 branch roads of switching, and all output nodes of two integrated circuit boards are for often opening node.J1 is the input order of input branch road to branch road 6 to J6 in the N3 plate.J7 and J8 are the excision order of excision branch road 1 and branch road 2, and J9 is outside locking command node, in case this node closure, then explanation has outside locking, not each branch road of switching.J10 is a secondary node, and J11 is the plant failure node, in case device breaks down this node closure.J12 is a power supply disappearance node, in case power supply power-fail, then this node closure.N4 plate J12 is the leave node of excision branch road 3 to branch road 6 to J15.If regulon is operated under the automated manner, the switching of N3 plate and N4 plate is left node for leaving automatically, if regulon is operated under the manual mode, then needs closed N3 plate of external signal and N4 plate to leave node, each branch road of switching.The BD plate is regulon dsp board, wherein I A*, IA, Ic* and Ic receive foreign current instrument transformer secondary current signal, UA, UB, UC receive external voltage instrument transformer voltage signal, voltage signal and current signal give DSP calculate idle ,+KM and-KM is a direct current 220V input power supply signal.
Fig. 6 is the schematic diagram according to the back terminal of valve base electronic installation of the present utility model, wherein POWER is a power panel, UA+ and UA-connect A phase voltage instrument transformer low-pressure side voltage, and UB+ and UB-connect B phase voltage instrument transformer low-pressure side voltage, and UC+ and UC-connect C phase voltage instrument transformer low-pressure side voltage.Following DC+ and DC-connect the 220V direct current, FG ground connection.TLT plate the first half is 8 inputs, is respectively IN1~IN8, and COM is the common port of input, is used for receiving the instruction of prime deciliter contactor and solid combination switch and withdraws from and transfer to by deciliter instruction of the direct control contactor of spanner; The latter half is 8 relay node switch output variables, the node signal of output deciliter contactor, and contactor deciliter status command and solid combination switch withdraw from node signal, if thyristor or TE plate have fault, then exports solid combination switch malfunctioning node signal.OPTO1 and OPTO2 are the optical fiber dash receiver, receive the light signal of TE plate repayment, feed back to the TLT plate after converting the signal of telecommunication to; TRIG1 and TRIG2 are trigger board, receive the triggering signal that TLT sends, and the triggering signal that TLT is sent changes into light signal and gives the TE plate in order to trigger thyristor.
Should be noted that at last: above embodiment only is not intended to limit in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to the foregoing description, those of ordinary skill in the field are to be understood that: still can make amendment or be equal to replacement embodiment of the present utility model, and do not break away from any modification of the utility model spirit and scope or be equal to replacement, it all should be encompassed in the middle of the claim scope of the present utility model.

Claims (6)

1. the electrical structure of a solid combination switch, it is characterized in that: the bus inlet wire of described three-phase power supply system is linked into the reactor that series connection is provided with, the reactor outlet that series connection is provided with is linked into capacitor, the A of described three-phase power supply system, the capacitor leading-out terminal that C two is connected is connected with the head end of two groups of thyristor valve strings (16) in being arranged on rack, described thyristor valve string is in parallel with vacuum contactor (17), the B of described thyristor valve string tail end and described three-phase power supply system is capacitor leading-out terminal phase short circuit mutually, and described solid combination switch control system is controlled thyristor valve string and contactor respectively.
2. the electrical structure of solid combination switch as claimed in claim 1, it is characterized in that: the parts in the described rack comprise: wall bushing (8), bus connects copper bar (9), thyristor valve string (16), insulator (12), thyristor trigger board valve high potential electron plate TE (15), thyristor trigger board is sent energy power supply (10), high-frequency current transformer (11), high-tension cable (13), high-frequency step-up transformer (14), vacuum contactor (17), valve base electronic installation VBE (2), regulon (3) and man-machine interface part, its concrete connected mode is: the three-phase high-voltage power supply connects reactor, then capacitor is connected with reactor, three-phase capacitor connects wall bushing afterwards, three wall bushings enter the solid combination switch cabinet, the A of described three-phase power supply system, the C two-phase connects copper bar with bus and connects wall bushing in the solid combination switch cabinet (8), connect the head end that copper bar connects thyristor valve string (16) with bus then, thyristor valve string (16) and vacuum contactor (17) parallel connection, the A of described three-phase power supply system, the B phase bus of C two-phase thyristor valve string tail end and described three-phase power supply system is connected copper bar (9) short circuit; Constituting of described every shish-kebab gate tube valve string (16): two positive inverse parallels of thyristor constitute one group, organize connection in series-parallel more and constitute a string; The A of described three-phase power supply system, C two-phase are made of two shish-kebab gate tube valve strings (16).Every group of thyristor all has a high potential electron plate of thyristor valve TE.High potential electron plate of thyristor valve TE connects the gate pole and the negative electrode of two thyristors of common cathode; It can power supply be high-frequency impulse with the frequency conversion of direct current 220V voltage that every shish-kebab gate tube valve string (16) is all sent by a thyristor trigger board, gives high-frequency current transformer (11) input; Every TE plate all has one to send the energy magnetic ring transformer, pass by high-tension cable (13), the output of high-tension cable (13) two termination high-frequency current transformers (11), high-frequency current transformer (11) will send the electric energy of energy power supply to carry out the step-down up-flow, and the TE plate of giving every shish-kebab gate tube valve string provides power supply; Regulon (3) is responsible for calculating the reactive power of three-phase high-voltage power supply, and the instruction of output switching, and valve base electronic installation VBE receives switching instruction back and triggers thyristor, deciliter contactor.Man-machine interface part (2) links to each other with VBE, is used to show the operating state and the solid combination switch operating state of thyristor valve string.
3. the electrical structure of solid combination switch as claimed in claim 2, it is characterized in that: thyristor valve string (15) adopts vertical cascaded structure, forms inner frame by a fin between every shish-kebab gate tube valve string (15) head and the tail thyristor by 3 head end transition adjustment circle aluminium, 1 tail end transition adjustment circle aluminium and two shish-kebab gate tube valve strings and per two series connection; Head end transition adjustment circle aluminium upside at thyristor valve string is with the dish spring on the stage clip guide rod; Upside at the dish spring is equipped with water conservancy diversion copper bar and flange successively; Tail end transition adjustment circle aluminium downside at thyristor valve string is equipped with water conservancy diversion copper bar and flange successively, fixes with four insulated columns between the head end of thyristor valve string and the tail end flange, fixes an insulator in tail end flange lower end, and insulator is connected with channel-section steel with at the bottom of the cabinet; Link to each other with insulator between the head end flange of thyristor valve string and the cabinet, the insulator bottom is fixed on the cabinet with channel-section steel, plays insulation and fixing effect; Link to each other with epoxy plate between the thyristor valve string, thyristor valve string and each insulator and insulated column are fixed in the cabinet.
4. the electrical structure of solid combination switch as claimed in claim 3, it is characterized in that: described man-machine interface partly comprises: deciliter spanner (4), operating state spanner (5), contactor deciliter indicator light (6) and air switch (7).
5. the electrical structure of solid combination switch as claimed in claim 4, it is characterized in that: described regulon (3) comprising: a power panel BD is used for power supply being provided and receiving the secondary singal of three-phase high-voltage power supply voltage transformer summation current transformer to the regulon integrated circuit board; A tributary signal tablet N1 is used for when a plurality of branch road of needs switching each line state being input to this tributary signal tablet; A dsp board N2, it is idle to be used for being responsible for calculating three-phase power supply system; Two relay board N3 and N4 are responsible for the instruction of output switching.
6. the electrical structure of solid combination switch as claimed in claim 5, it is characterized in that: described valve base electronic installation VBE comprises: a power panel POWER is used for providing power supply to VBE; One is triggered logic card TLT, and be used to receive switching instruction back and trigger thyristor, and deciliter contactor; Two trigger board TRIG1 and TRIG2 are used for trigger command is passed to every high potential electron plate TE with the form of light signal; Two thyristor state information dash receiver OPTO1 and OPTO2 are used for being responsible for receiving the work state information of thyristor, pass to valve base electronic installation VBE with light signal in form.
CN 200920292568 2009-12-11 2009-12-11 Electric structure of automatic switching solid combination switch Expired - Fee Related CN201690235U (en)

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Application Number Priority Date Filing Date Title
CN 200920292568 CN201690235U (en) 2009-12-11 2009-12-11 Electric structure of automatic switching solid combination switch

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Application Number Priority Date Filing Date Title
CN 200920292568 CN201690235U (en) 2009-12-11 2009-12-11 Electric structure of automatic switching solid combination switch

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CN201690235U true CN201690235U (en) 2010-12-29

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106571800A (en) * 2016-10-31 2017-04-19 国家电网公司 Three-phase switch
CN112152424A (en) * 2020-08-10 2020-12-29 常州博瑞电力自动化设备有限公司 Compact air-cooled static frequency converter power cabinet

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106571800A (en) * 2016-10-31 2017-04-19 国家电网公司 Three-phase switch
CN112152424A (en) * 2020-08-10 2020-12-29 常州博瑞电力自动化设备有限公司 Compact air-cooled static frequency converter power cabinet

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