CN101795002B - Electrical structure of solid combination switch - Google Patents
Electrical structure of solid combination switch Download PDFInfo
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- CN101795002B CN101795002B CN2009102506515A CN200910250651A CN101795002B CN 101795002 B CN101795002 B CN 101795002B CN 2009102506515 A CN2009102506515 A CN 2009102506515A CN 200910250651 A CN200910250651 A CN 200910250651A CN 101795002 B CN101795002 B CN 101795002B
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000010949 copper Substances 0.000 claims abstract description 18
- 229910052802 copper Inorganic materials 0.000 claims abstract description 18
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 16
- 229910052782 aluminium Inorganic materials 0.000 claims description 16
- 230000007704 transition Effects 0.000 claims description 16
- 238000009434 installation Methods 0.000 claims description 14
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000004593 Epoxy Substances 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 3
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- 238000000034 method Methods 0.000 abstract description 4
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- 230000009471 action Effects 0.000 description 1
- 238000013473 artificial intelligence Methods 0.000 description 1
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
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Abstract
The invention relates to an electrical structure of a solid combination switch which can switch automatically; a three-phase system busbar incoming line is connected with a series reactor, the line outgoing from the reactor is connected with a capacitor, the outgoing line end of an A-C phase capacitor is connected with two groups of thyristor valve strings, the valve strings are connected with a contactor in parallel and then are short-connected with the outgoing line of a B-phase capacitor; a wall feed-through sleeve, a bus connecting copper bar, a thyristor valve string, an insulator, a thyristor valve high potential electric board (TE board), a TE board energy delivery power supply, a high-frequency converter, a high-voltage cable, an energy delivery magnet ring transformer, a vacuum contactor, a valve base electronic device (VBE), a regulating unit and a man-machine interface part are integrated together by an equipment cabinet, the equipment cabinet can be directly hung a high-voltage electric power system, so as to ensure the insulation of high-low voltage systems; in addition, the contact can be switched at the zero crossing point under the reactive power condition of the system, and the solid combination switch can be operated on the equipment cabinet in the running process.
Description
Technical field
The present invention relates to a kind of electric power system that is applied to, control device is the automatic perhaps electrical structure of the solid combination switch of manual switching contactor under the situation of no arc.
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 parallelly connected, and adopt analog circuit to control with relay; One Chinese patent application for example: 200720178283 disclose a kind of intelligent combination switch, comprise controllable silicon and the relay circuit of switch housing, high pressure input terminal, artificial intelligence control circuit, zero cross fired and pulse driving circuit, parallel connection with it etc.But the electric insulation ability of this device is low, and reactive compensation capacity is little, can't be applied to high-pressure system.
Summary of the invention
In order to make solid combination switch be applied to high-voltage electric power system; And saving resource to the full extent, the present invention adopts compact structure, under the situation that guarantees the high-low pressure insulation; System is only parallelly connected 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, has reduced floor space; And increased deciliter spanner with 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 technical solution problem of the present invention is adopted is:
A kind of electrical structure of solid combination switch; The annexation of this electrical structure is: the bus inlet wire of 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 said three-phase power supply system, C two are connected connects two groups of thyristor valve string head ends, and said thyristor valve string is parallelly connected with contactor, and the B of said thyristor valve string tail end and said three-phase power supply system is capacitor outlet phase short circuit mutually.
Wherein, the electrical structure of this solid combination switch comprises: wall bushing, and bus connects copper bar; Thyristor valve string, insulator, high potential electron plate of thyristor valve TE; Thyristor trigger board is sent ability 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, and three wall bushings get into the solid combination switch cabinet, and the A of said three-phase power supply system, C two usefulness buses connect copper bar and connect wall bushing in the solid combination switch cabinet; Connect the head end that copper bar connects thyristor valve string with bus then, thyristor valve string and vacuum contactor parallel connection, the B phase bus of the A of said three-phase power supply system, C two phase thyristor valve string tail ends and said three-phase power supply system is connected the copper bar short circuit; Constituting of said 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 said three-phase power supply system, C two are made up 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 ability 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 ability 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 posts between the head end of thyristor valve string and the tail end flange, and fixing insulator in tail end flange lower end, 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, said man-machine interface partly comprises: deciliter spanner, operating state spanner, contactor deciliter indicator light and air switch.
Wherein, said 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, said valve base electronic installation VBE comprises: a power panel POWER is used for power supply to VBE being provided; 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 invention has the beneficial effects as follows: 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 invention by clearer understanding, and be convenient to the description of embodiment, it is following to provide the description of drawings relevant with the present invention below:
Fig. 1 is the system configuration sketch map of solid combination switch of the present invention;
Fig. 2 is the front view of solid combination switch rack of the present invention;
Fig. 3 is an equipment electrical structure sketch map in the cabinet of the present invention, 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 sketch map of thyristor valve string of the present invention;
Fig. 5 is the structural representation of regulon of the present invention;
Fig. 6 is the structural representation of the back terminal of valve base electronic installation of the present invention;
Wherein, 1. front cabinet door, 2. man-machine interface part, 3. regulon, 4. deciliter spanner, 5. the operating state spanner, 6. contactor deciliter indicator light, 7. air switch, 8. wall bushing, 9. bus connect copper bar, 10. thyristor trigger board send can power supply, insulator, 27. channel-section steels at the bottom of 11. high-frequency current transformers, 12. insulators, 13. high-tension cables, 14. high-frequency step-up transformers, 15. thyristor trigger board valve high potential electron plate TE, 16. thyristors, 17. vacuum contactors, 18. epoxy plates, 19. head end flanges, 20. dish springs, 21. head end transition adjustment circle aluminium, 22. fin, 23. insulated columns, 24. tail end transition adjustment circle aluminium, 25. tail end flanges, 26. cabinets.
Embodiment
Below, in conjunction with accompanying drawing the present invention is further specified.
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, C two phase capacitor tail end outlets connect the head end of thyristor valve string, and thyristor valve string is parallelly connected with contactor, and A, C two phase thyristor valve string tail ends and B be capacitor outlet short circuit mutually.This kind connects method and is primarily aimed in the switching mode of Synchronous Switching three-phase condenser bank, and under the situation that contactor breaks off and thyristor does not trigger, B can't constitute current circuit with other mutually 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 that power supply and valve base electronic unit form, deciliter contactor again, there is current circuit mutually in other after B and the conducting two 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 invention, 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 ability power supply, C phase thyristor trigger board to send ability 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 the effect with the cabinet insulation; 9. bus connects copper bar; 10. thyristor trigger board is sent the ability power supply, becomes high-frequency alternating current to direct current; 11. high-frequency current transformer is the high-frequency alternating current step-down up-flow that send the ability 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 through 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 bushings get into 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 ends 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 are made up 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 ability 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 ability 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 posts between the head end of thyristor valve string and the tail end flange, and fixing insulator in tail end flange lower end, 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 be the working method of regulon with opening into 14, 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 orders to the input of branch road 6 for dropping into branch road 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 is closed, 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 is closed.J12 is a power supply disappearance node, in case power supply power-fail, then this node is closed.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 the regulon dsp board; Wherein IA*, 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 with-KM is that direct current 220V imports power supply signal.
Fig. 6 is the sketch map according to the back terminal of valve base electronic installation of the present invention; 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, and the instruction and the solid combination switch that are used for receiving prime deciliter contactor withdraw 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 is only in order to technical scheme of the present invention to be described but not to its restriction; Although the present invention has been carried out detailed explanation with reference to the foregoing description; Under the those of ordinary skill in field be to be understood that: still can specific embodiments of the invention make amendment or be equal to replacement; And do not break away from any modification of spirit and scope of the invention or be equal to replacement, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (5)
1. the electrical structure of a solid combination switch; The annexation that it is characterized in that this electrical structure is: the bus inlet wire of 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 said 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; Said thyristor valve string is parallelly connected with contactor, and the B of said thyristor valve string tail end and said three-phase power supply system is capacitor leading-out terminal phase short circuit mutually;
Parts in the said rack comprise: wall bushing (8), and bus connects copper bar (9), thyristor valve string (16); Insulator (12), high potential electron plate of thyristor valve TE (15), thyristor trigger board is sent ability 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 (2); Its concrete connected mode is: the three-phase high-voltage power supply connects reactor, then capacitor is connected with reactor, and three-phase capacitor connects wall bushing afterwards; Three wall bushings get into the solid combination switch cabinet, and the A of said three-phase power supply system, C two usefulness buses connect copper bar and connect 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 B phase bus of the A of said three-phase power supply system, C two phase thyristor valve string tail ends and said three-phase power supply system is connected the copper bar short circuit; Constituting of said 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 said three-phase power supply system, C two are made up of two shish-kebab gate tube valve strings (16); Every group of thyristor all has a high potential electron plate of thyristor valve TE, and 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 (15) is all sent by a thyristor trigger board, gives high-frequency current transformer (10) input; Every TE plate all has one to send the ability magnetic ring transformer; Pass by high-tension cable (12); The output of high-tension cable (12) two termination high-frequency current transformers (10), high-frequency current transformer (10) will send the electric energy of ability 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 output switching instruction; Valve base electronic installation VBE receives switching instruction back and triggers thyristor; Deciliter contactor, man-machine interface part (2) links to each other with valve base electronic installation VBE, is used to show the operating state and the solid combination switch operating state of thyristor valve string.
2. the electrical structure of solid combination switch as claimed in claim 1; 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 posts between the head end of thyristor valve string and the tail end flange, and fixing insulator in tail end flange lower end, 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.
3. the electrical structure of solid combination switch as claimed in claim 2 is characterized in that: said man-machine interface part (2) comprising: deciliter spanner (4), operating state spanner (5), contactor deciliter indicator light (6) and air switch (7).
4. the electrical structure of solid combination switch as claimed in claim 3; It is characterized in that: said 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 boards (N3, N4), be responsible for the instruction of output switching.
5. like the electrical structure of each described solid combination switch of claim 1-4, it is characterized in that: said valve base electronic installation VBE comprises: a power panel (POWER) is used for power supply to valve base electronic installation VBE being provided; One is triggered logic card (TLT), and be used to receive switching instruction back and trigger thyristor, and deciliter contactor; Two trigger board (TRIG1, 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 receivers (OPT01, OPT02) are used for be responsible for receiving the work state information of thyristor, pass to valve base electronic installation VBE with light signal in form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102506515A CN101795002B (en) | 2009-12-11 | 2009-12-11 | Electrical structure of solid combination switch |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102506515A CN101795002B (en) | 2009-12-11 | 2009-12-11 | Electrical structure of solid combination switch |
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| CN101795002A CN101795002A (en) | 2010-08-04 |
| CN101795002B true CN101795002B (en) | 2012-07-18 |
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| CN2009102506515A Expired - Fee Related CN101795002B (en) | 2009-12-11 | 2009-12-11 | Electrical structure of solid combination switch |
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| CN106571800A (en) * | 2016-10-31 | 2017-04-19 | 国家电网公司 | Three-phase switch |
| CN112702052A (en) * | 2020-12-15 | 2021-04-23 | 山东管理学院 | High-voltage thyristor valve group triggering system and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2914310Y (en) * | 2005-12-08 | 2007-06-20 | 武汉江北开关有限责任公司 | Intelligent combination switch |
| CN201038780Y (en) * | 2007-03-27 | 2008-03-19 | 蒋少庆 | Three-phase co-supplement type composite switch |
| CN101667822A (en) * | 2009-09-29 | 2010-03-10 | 河北省电力研究院 | Solid state compound switch structure |
-
2009
- 2009-12-11 CN CN2009102506515A patent/CN101795002B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2914310Y (en) * | 2005-12-08 | 2007-06-20 | 武汉江北开关有限责任公司 | Intelligent combination switch |
| CN201038780Y (en) * | 2007-03-27 | 2008-03-19 | 蒋少庆 | Three-phase co-supplement type composite switch |
| CN101667822A (en) * | 2009-09-29 | 2010-03-10 | 河北省电力研究院 | Solid state compound switch structure |
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| Publication number | Publication date |
|---|---|
| CN101795002A (en) | 2010-08-04 |
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