CN102290402A - Horizontal light-controlled water-cooled thyristor valve block - Google Patents
Horizontal light-controlled water-cooled thyristor valve block Download PDFInfo
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- CN102290402A CN102290402A CN2011102792514A CN201110279251A CN102290402A CN 102290402 A CN102290402 A CN 102290402A CN 2011102792514 A CN2011102792514 A CN 2011102792514A CN 201110279251 A CN201110279251 A CN 201110279251A CN 102290402 A CN102290402 A CN 102290402A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
Abstract
The invention relates to a horizontal light-controlled water-cooled thyristor valve block. Each phase is formed by connection of two valve units in series, each valve unit comprises two serial and anti-parallel thyristor units, a trigger board unit, a framework unit, a resistance-capacitance protective capacitor unit, a voltage-sharing resistor unit, an internal water pipe unit, an insulator unit, a parallel soft bus unit and a resistance-capacitance protective water-cooled resistor unit, wherein the valve body of the two valve units are arranged in a horizontal way, and a left valve unit and a right valve unit are connected in series to form a single-phase valve block. Since the valve units are arranged in a horizontal modular way, the voltage of 35kV, 66kV and above can be withstood. The invention has the advantages that the horizontal light-controlled water-cooled thyristor valve block has high reliability, space can be utilized effectively, water channels and circuits are separately arranged, and complete water cooling is adopted.
Description
Technical field
The present invention relates to the photo-thyristor valve group of the high-power water-cooling of a kind of horizontal high-pressure, be mainly used in electric power, metallurgy and all use photo thyristors, can carry 35KV, 66KV and reach more voltage levels as other field of core devices.
Background technology
Thyristor is the core part of Static Var Compensator, can regulate continuously impedance by the trigger angle of control thyristor, 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 will bear high voltage, big electric current usually, needs to adopt a plurality of thyristor connection in series-parallel to realize.The thyristor valve group is the core part of dynamic reactive compensation device in the electric power system.
The technical scope that the structure of thyristor valve group 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 to install be vital to the machinery of thyristor valve, has only the rational mechanical mounting structure of employing, could and maintain easily for the safe operation of brilliant gate valve sound assurance is provided.
The thyristor valve group electric pressure of present domestic application is mostly at 35KV and following, the domestic vertical light-operated valve group model machine that 66KV is only arranged, application number is that 2009200162532 utility model patent discloses the light-operated water-cooled thyristor valve of a kind of 66kV group, its technical essential is: the light-operated water-cooled thyristor of 66kV, whenever, comprise two valve cells mutually, each valve cell is by the thyristor unit, repayment plate unit, the resistance-capacitance protection unit, frame unit, the water pipe unit, the trough unit, the grading ring unit is formed, it is characterized in that, the valve group is the bicubic structure, by about the series connection of two valve cells constitute the individual event valve group, about adopt tinsel cord row to connect between two valve cells, the water pipe unit of each valve cell is positioned at the valve cell centre position, needs the water-cooled resistance of the thyristor unit of water-cooled and resistance-capacitance protection unit to be arranged on the both sides of water pipe unit; Do not need other devices, trough unit, the grading ring unit of the resistance-capacitance protection unit except that water-cooled resistance of water-cooled to be arranged on around the valve group.
Above-mentioned vertical light-operated valve group is compared the conventional valve group certain superiority, but has defective: 1, the photo thyristor of vertical installation is because himself action of gravity causes the thyristor at valve group top and the thyristor unbalance stress of bottom; 2, there is difference in height in the cooling water of vertical installation elements string, causes element string hydraulic pressure inconsistent, can not satisfy the consistency of element radiating; 3, water-cooled resistance and damping capacitor are arranged side by side on a plank, when one of them element is out of order the needs replacing, take off the monoblock plank, be not easy to change.
Therefore, be necessary prior art is improved.
Summary of the invention
At the deficiencies in the prior art, the purpose of this invention is to provide the light-operated water-cooled thyristor valve of a kind of high-power horizontally-mounted, that the water route circuit is arranged apart group, do not have difference in height between this valve set of pieces, different elements is installed on the different planks, the convenient installation and replacing.
The technical solution used in the present invention is:
Horizontal light-operated water-cooled thyristor valve group; whenever, be composed in series by two valve cells; each valve cell is by the antiparallel thyristor of two strings unit, trigger board unit; frame unit, resistance-capacitance protection capacitor cell, grading resistor unit, inner water tube unit, insulator unit, soft bus in parallel unit, resistance-capacitance protection water-cooled resistance unit are formed; it is characterized in that; the valve body of two valve cells is that horizontal type structure is arranged, by about two valve cells be composed in series single-phase valve group.
Adopt the series connection of soft copper bus between two valve cells about described; the water pipe unit of each valve cell is positioned at the position, front lower place of valve cell; need the thyristor unit of water-cooled to be arranged on the top of water pipe unit; the water-cooled resistance unit of resistance-capacitance protection is arranged on the rear of water pipe unit, below in the middle of the valve cell.
The capacitor cell of the described resistance-capacitance protection that does not need water-cooled and the back lower place that the grading resistor unit is arranged on the valve group, electric capacity is contained on the epoxy plate, makes it to separate with grading resistor; The grading resistor unit is contained on the epoxy plate with support, is contained in the back lower place of valve cell; The trough unit is located at the front and back side of valve cell top.
Described valve group can be the monomer horizontal type structure, constitutes single-phase valve group by a valve cell, constitutes the horizontal light-operated water-cooled thyristor valve group of monomer.
Described valve cell adopts horizontal modular arrangement, as long as change valve cell quantity, can form the valve group of different electric pressures, and the valve group is applicable to 35kV, 66 kV and the above electric pressure of 66 kV.
The invention has the advantages that: 1, adopt horizontal type structure, constitute single-phase valve group by two valve group series connection, the valve block structure compact and reasonable is safeguarded and is changed element conveniently; 2, all water pipes are arranged in the front lower place of valve group, the wiring of all electrical equipment all walk the rear of valve group, above, simultaneously water-cooled resistance is contained in the middle below of valve group, realize that water route, circuit are arranged apart, easy access and maintenance, both made and leaked, and also can not cause electric short circuit, changed the mode of traditional water route, circuit interlaced arrangement.Simultaneously also reduced the long interference that causes of lead, spatial placement is more reasonable; 3, the mounting bracket at valve group two ends adopts the stainless steel stent of welding, can not produce eddy current because of electromagnetic induction; 4, two thyristor unit adopt multilayer copper foil soft bus inverse parallel welded together, because the valve group is used for the high-voltage great-current occasion, adopt soft busbar connection can reduce electric power, guarantee that bus contacts with radiator well, can reduce kelvin effect simultaneously.
Description of drawings
Fig. 1: the shaft side figure of the mechanical mounting structure of horizontal photo-thyristor valve group;
Fig. 2: the front view of the mechanical mounting structure of horizontal photo-thyristor valve group;
Fig. 3: the vertical view of the mechanical mounting structure of horizontal photo-thyristor valve group;
Fig. 4: the end view of the mechanical mounting structure of horizontal photo-thyristor valve group;
Fig. 5: thyristor cellular construction schematic diagram;
Fig. 6: trigger board cellular construction schematic diagram;
Fig. 7: resistance-capacitance protection capacitor cell structural representation;
Fig. 8: grading resistor cellular construction schematic diagram;
Fig. 9: resistance-capacitance protection water-cooled resistance cellular construction schematic diagram.
Among the figure, 1 is the thyristor unit, and 2 is the trigger board unit, and 3 is that frame unit, 4 is that resistance-capacitance protection capacitor cell, 5 is that grading resistor unit, 6 is that water pipe unit, 7 is that insulator unit, 8 is that soft bus in parallel unit, 9 is resistance-capacitance protection water-cooled resistance unit.
Embodiment
Below in conjunction with accompanying drawing technology contents of the present invention is described in further detail
Embodiment 1
See Fig. 1 ~ Fig. 4, light-operated water-cooled thyristor valve group, this valve group adopts horizontal type structure, by about two valve groups series connection constitute single-phase valve group.About adopt the soft copper bus to connect between two valve cells.Single valve group adopts horizontal type structure, by thyristor unit 1, and trigger board unit 2, compositions such as frame unit 3, resistance-capacitance protection capacitor cell 4, grading resistor unit 5, water pipe unit 6, insulator unit 7, soft bus 8, resistance-capacitance protection water-cooled resistance unit 9.Need the thyristor unit 1 of water-cooled to be arranged in the top of water pipe unit 6, need the resistance-capacitance protection water-cooled resistance unit 9 of water-cooled to be arranged in the rear of water pipe unit 6; Do not need the resistance-capacitance protection capacitor cell 4 of water-cooled to be arranged in the rear of resistance-capacitance protection water-cooled resistance unit 9, grading resistor unit 5 is arranged on the epoxy fabric swatch of the back lower place of valve cell, help the heat radiation of grading resistor unit 5, because the heating of grading resistor unit 5 has the isolation of epoxy fabric swatch, avoids resistance-capacitance protection capacitor cell 4 to be subjected to the thermal-radiating influence of grading resistor unit 5; Resistance-capacitance protection capacitor cell 4, grading resistor unit 5, resistance-capacitance protection water-cooled resistance unit 9 all are connected with frame unit 3 by the epoxy fabric swatch, and the trough unit is located at the front and back side of valve cell top.Two thyristor unit 1 adopt multilayer copper foil soft bus 8 inverse parallels welded together, because the valve group is used for the high-voltage great-current occasion, adopt soft busbar connection can reduce electric power, guarantee that bus contacts with radiator well, can reduce kelvin effect simultaneously.Each valve cell all is contained on the silicon rubber insulator 7, and silicon rubber insulator is the dress mount pad down.
See Fig. 5 ~ Fig. 9, thyristor unit, trigger board unit, resistance-capacitance protection capacitor cell, grading resistor unit, resistance-capacitance protection water-cooled resistance unit adopt the centralized arrangement mode respectively, have effectively saved the space, also be independent of each other between each unit,
See Fig. 1 ~ Fig. 4, constitute the light-operated water-cooled thyristor valve of 35KV group by the monomer valve group, this valve group adopts horizontal type structure.By thyristor unit 1, trigger board unit 2, compositions such as frame unit 3, resistance-capacitance protection capacitor cell 4, grading resistor unit 5, inner water tube unit 6, insulator 7, soft bus 8, resistance-capacitance protection water-cooled resistance unit 9.Need the thyristor unit 1 of water-cooled to be arranged in the top of inner water tube, need the resistance-capacitance protection water-cooled resistance unit 9 of water-cooled to be arranged in the rear of inner water tube; Do not need the resistance-capacitance protection capacitor cell 4 of water-cooled to be arranged in the rear of resistance-capacitance protection water-cooled resistance unit 9, grading resistor unit 5 is arranged on the epoxy fabric swatch of the back lower place of valve cell, help the heat radiation of grading resistor unit 5, because the heating of grading resistor unit 5 has the isolation of epoxy fabric swatch, avoids resistance-capacitance protection capacitor cell 4 to be subjected to the thermal-radiating influence of grading resistor unit 5; Resistance-capacitance protection capacitor cell 4, grading resistor unit 5, resistance-capacitance protection water-cooled resistance unit 9 all are connected with frame unit 3 by the epoxy fabric swatch, and the trough unit is located at the front and back side of valve cell top.Two thyristor unit 1 adopt multilayer copper foil soft bus 8 inverse parallels welded together, because the valve group is used for the high-voltage great-current occasion, adopt soft busbar connection can reduce electric power, guarantee that bus contacts with radiator well, can reduce kelvin effect simultaneously.Each valve cell all is contained on the silicon rubber insulator 7, and silicon rubber insulator is the dress mount pad down.
On the basis of original horizontal water-cooled photo-thyristor valve group, continue to increase the quantity of valve cell, can obtain the more valve group of voltage levels.
Horizontal valve group of the present invention, the installation of its photo thyristor and water-filled radiator is to adopt special pressing method to press-fit to finish, described pressing method may further comprise the steps at least:
Step 1 selects pressing plate in the middle of two blocks of epoxy layback plates of suitable dimension and to form the H shape skeleton of horizontal photo-thyristor valve group;
Step 4 is turned H shape skeleton around element string that the other end is installed by above-mentioned same step after installing the element string of H shape skeleton one end.
The present invention can also have a lot of distortion, and any modification that those skilled in the art are done under the situation that does not break away from spirit of the present invention all should be considered as within protection scope of the present invention, and protection scope of the present invention is specifically decided on claims.
Claims (5)
1. horizontal light-operated water-cooled thyristor valve group; whenever, be composed in series by two valve cells; each valve cell is by the antiparallel thyristor of two strings unit, trigger board unit; frame unit, resistance-capacitance protection capacitor cell, grading resistor unit, inner water tube unit, insulator unit, soft bus in parallel unit, resistance-capacitance protection water-cooled resistance unit are formed; it is characterized in that; the valve body of two valve cells is that horizontal type structure is arranged, by about two valve cells be composed in series single-phase valve group.
2. horizontal light-operated water-cooled thyristor valve group according to claim 1; it is characterized in that; about adopt the series connection of soft copper bus between two valve cells; the water pipe unit of each valve cell is positioned at the position, front lower place of valve cell; need the thyristor unit of water-cooled to be arranged on the top of water pipe unit; the water-cooled resistance unit of resistance-capacitance protection is arranged on the rear of water pipe unit, below in the middle of the valve cell.
3. horizontal light-operated water-cooled thyristor valve group according to claim 2 is characterized in that, does not need the capacitor cell of resistance-capacitance protection of water-cooled and the back lower place that the grading resistor unit is arranged on the valve group, and electric capacity is contained on the epoxy plate, makes it to separate with grading resistor; The grading resistor unit is contained on the epoxy plate with support, is contained in the back lower place of valve cell; The trough unit is located at the front and back side of valve cell top.
4. according to any described horizontal light-operated water-cooled thyristor valve group of claim 1-3, it is characterized in that described valve group can be the monomer horizontal type structure, constitute single-phase valve group, constitute the horizontal light-operated water-cooled thyristor valve group of monomer by a valve cell.
5. according to any described horizontal light-operated water-cooled thyristor valve group of claim 1-3, it is characterized in that, described valve cell adopts horizontal modular arrangement, as long as change valve cell quantity, can form the valve group of different electric pressures, the valve group is applicable to 35kV, 66 kV and the above electric pressure of 66 kV.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102792514A CN102290402A (en) | 2011-09-20 | 2011-09-20 | Horizontal light-controlled water-cooled thyristor valve block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102792514A CN102290402A (en) | 2011-09-20 | 2011-09-20 | Horizontal light-controlled water-cooled thyristor valve block |
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|---|---|
| CN102290402A true CN102290402A (en) | 2011-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102792514A Pending CN102290402A (en) | 2011-09-20 | 2011-09-20 | Horizontal light-controlled water-cooled thyristor valve block |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104167741A (en) * | 2014-08-15 | 2014-11-26 | 常州博瑞电力自动化设备有限公司 | Horizontal directly-linked thyristor valve block |
| CN104241226A (en) * | 2014-08-15 | 2014-12-24 | 常州博瑞电力自动化设备有限公司 | Novel high-voltage thyristor valve module |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11340395A (en) * | 1998-05-29 | 1999-12-10 | Toshiba Corp | Water-cooled-type thyristor valve |
| CN2852487Y (en) * | 2005-09-13 | 2006-12-27 | 中国电力科学研究院 | Thyratron valve set mechanical structure of horizontal static reactive-load compensator |
| CN201450339U (en) * | 2009-08-12 | 2010-05-05 | 荣信电力电子股份有限公司 | 66kv optically controlled water-cooling thyristor valve group |
| CN201877834U (en) * | 2010-11-23 | 2011-06-22 | 株洲变流技术国家工程研究中心有限公司 | Thyristor valve block of static var compensator (SVC) |
-
2011
- 2011-09-20 CN CN2011102792514A patent/CN102290402A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11340395A (en) * | 1998-05-29 | 1999-12-10 | Toshiba Corp | Water-cooled-type thyristor valve |
| CN2852487Y (en) * | 2005-09-13 | 2006-12-27 | 中国电力科学研究院 | Thyratron valve set mechanical structure of horizontal static reactive-load compensator |
| CN201450339U (en) * | 2009-08-12 | 2010-05-05 | 荣信电力电子股份有限公司 | 66kv optically controlled water-cooling thyristor valve group |
| CN201877834U (en) * | 2010-11-23 | 2011-06-22 | 株洲变流技术国家工程研究中心有限公司 | Thyristor valve block of static var compensator (SVC) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104167741A (en) * | 2014-08-15 | 2014-11-26 | 常州博瑞电力自动化设备有限公司 | Horizontal directly-linked thyristor valve block |
| CN104241226A (en) * | 2014-08-15 | 2014-12-24 | 常州博瑞电力自动化设备有限公司 | Novel high-voltage thyristor valve module |
| CN104241226B (en) * | 2014-08-15 | 2018-05-15 | 常州博瑞电力自动化设备有限公司 | New high-pressure thyristor valve module |
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Application publication date: 20111221 |