CN103633819B - A kind of voltage source converter submodule unit holder based on full control device - Google Patents
A kind of voltage source converter submodule unit holder based on full control device Download PDFInfo
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- CN103633819B CN103633819B CN201310554155.5A CN201310554155A CN103633819B CN 103633819 B CN103633819 B CN 103633819B CN 201310554155 A CN201310554155 A CN 201310554155A CN 103633819 B CN103633819 B CN 103633819B
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Abstract
The present invention relates to the bracing frame of field of power electronics, be specifically related to a kind of voltage source converter submodule unit holder based on full control device.Support frame as described above comprises two girders be arranged in parallel, the crossbeam of arranging successively is vertically provided with between two girders, four root posts are vertically arranged on described two girders respectively, and described two girders, crossbeam and four root posts form the rectangular frame of support frame as described above by the mode of welding; Element board is horizontally placed on the rectangle end face that is made up of four root posts.Structure of the present invention is simple firmly, installation simple and fast, and compact in design, space availability ratio are large; Use standard sections, facility of drawing materials, processing is simple, with low cost; According to device function design Each part, more each structure optimization merged, rationally distributed, functional unit is distinguished distinct.
Description
Technical field
The present invention relates to the bracing frame of field of power electronics, be specifically related to a kind of voltage source converter submodule unit holder based on full control device.
Background technology
Based on the high-voltage direct-current technology of transmission of electricity of voltage source converter, be characterized in that the voltage source converter adopting all-controlling power electronics device to form replaces the voltage source converter based on half control type thyristor device in customary DC transmission of electricity.
Different engineerings may have different electric pressures, and prior art adopts modular mode, and voltage source converter is designed to basic functional units, selects according to different electric pressures the basic functional units number needing series connection.Along with improving constantly of electric pressure, need the basic functional units number of series connection possibility hundreds of even thousands of, basic functional units adopts tower structure mutually to connect, and is connected between different towers by copper bar again.
The basic functional units bracing frame generally used at present be simple by device arranged on two girders, do not do independent electromagnetic shielding process between device, may electromagnetic interference be produced; Device simple arrangement is arranged, consider that deficiency may produce stray inductance to the layout of through-flow busbar, interference normally works; Device simple arrangement is arranged, does not carry out modularized design, causes the simple structural modification of some parts, but affects the structure of other parts a large amount of to change simultaneously, causes the waste of manpower, material resources and financial resources.
Summary of the invention
For the deficiencies in the prior art, the object of this invention is to provide a kind of voltage source converter submodule unit holder based on full control device, simple firm, the installation simple and fast of structure of the present invention, compact in design, space availability ratio are large; Use standard sections, facility of drawing materials, processing is simple, with low cost; According to device function design Each part, more each structure optimization merged, rationally distributed, functional unit is distinguished distinct.
The object of the invention is to adopt following technical proposals to realize:
The invention provides a kind of voltage source converter submodule unit holder based on full control device, described voltage source converter is three-phase six bridge arm structure, and each brachium pontis comprises the submodule unit of series connection; Its improvements are, support frame as described above comprise be arranged in parallel two girders, be provided with crossbeam and the column that is vertically arranged on described girder therebetween;
Described girder and crossbeam are all stainless steel rectangular tubes of 40X20X3, and the length of girder and the height of column are determined according to engineering is actual; Described column is stamped to form by the corrosion resistant plate of 3 mm of thickness.
Further, described column number is 4, and its element board supported is positioned at underframe one end that described two girders and crossbeam form, described column other end support component plate; Described element board is parallel with described underframe and its axial length is less than described length over end sills, and its transverse width is more than or equal to described width over side sills, and the vertical range between itself and described underframe is more than or equal to described underframe lateral separation.
Further, described two girders, crossbeam and four root posts consist of the rectangular frame of support frame as described above the mode of welding; Element board is horizontally placed on the rectangle end face that is made up of four root posts.
Further, described two girders and crossbeam adopt the section bar in identical rectangular cross section, and two girder section long edge vertical directions are placed, and section of beam minor face is vertically placed; First crossbeam of arranging successively is arranged at the end points place of two girders; The submodule unit that distance between adjacent two crossbeams supports depending on it, the spacing between crossbeam is between 400 ~ 500 millimeters.
Further, in the vertical side of described two girders, embedded being welded with lifts cover, for lifting submodule unit; The lateral surface of girder is stretched out in one end of described lifting cover, and the other end flushes with the medial surface of girder, and is welded with the lifting connecting lifting cover and girder directly over main cable and girder cover and overlaps reinforcement stretching out.
Further, described four root posts are vertically welded on described two girders respectively, form rectangular frame, and use same column in the position being mutually diagonal angle; Spacing between adjacent two columns of minor face is 250 millimeters; Spacing between adjacent two columns in long limit is 450 millimeters.
Further, the cross section of described four root posts is C type groove beam shape, and stamps out right angle flange in the side of every root post, for installing the circuit board of submodule unit in the rectangular frame of four root posts formations; The C type groove beam opening of described four root posts is all inner towards rectangular frame, the two root post profiles mirror each other on described rectangular frame minor face.
Further, element board setscrew nut is all welded with towards rectangular frame inner side in the upper end of described four root posts, and between the upper surface of element board setscrew nut and the upper extreme point of column, be provided with the gap of 1-10mm, described element board setscrew nut is provided with hole, be mutually two holes on diagonal position, one of them is circular hole, and another is via hole.
Namely and leave the gap of 1-10mm between element board setscrew nut, for realizing by screw lock element board further, the lower surface of described element board contacts with the upper surface of column.
Further, described two girders are symmetrically welded with capacitor setscrew nut, for supporting and fixed capacitor; Spacing between first group capacitor setscrew nut and adjacent upright posts is 330 millimeters; Spacing between adjacent two capacitor setscrew nuts is 430 millimeters.
Further, in the downside of described girder, be embedded with installation setscrew nut, for whole bracing frame is fixed on operating platform;
The embedded downside being welded in girder of described installation setscrew nut.
Further, the position of described Main Girder Welding installation setscrew nut forms inner chamber, wall on the downside of inner chamber is equidistantly processed with three through holes, the through hole is wherein coaxially arranged with the screwed hole installing setscrew nut, and other two side through hole are used for from main beam exterior welded and installed setscrew nut.
Further, described submodule unit comprises capacitor, the IGBT module of half-bridge structure, supporting module, supporting bracket, connecting water pipe and radiator; The IGBT module parallel of described capacitor and half-bridge structure forms electric power components and parts;
Described supporting module is for supporting electric power components and parts, supporting bracket, connecting water pipe and radiator; Described supporting bracket is vertical with the base of described supporting module to be arranged;
Described supporting bracket there are two pieces of symmetrically arranged radiators, are connected by connecting water pipe between described two radiators;
Two IGBT module of half-bridge structure respectively correspondence are arranged on described two radiators;
The capacitor of each submodule unit is bolted on the base of supporting module.
Further, described submodule unit comprises thyristor and vacuum switch; Described thyristor is in parallel with the lower pipe IGBT of the IGBT module of half-bridge structure;
Described thyristor press-fits between the positive and negative outgoing line busbar of the electric capacity of submodule unit; Described vacuum switch is bolted in described supporting bracket.
Further, described submodule unit comprises draw-out power supply and secondary control system, described draw-out power supply from described capacitor get can, for described secondary control system is powered, described secondary control system is for controlling the IGBT module of described half-bridge structure, vacuum switch and thyristor; Described draw-out power supply is positioned at below vacuum switch, described draw-out power supply packed by metal casing, and its shell contacts with described supporting module, for ensureing equipotential;
Described secondary control system is positioned at above described draw-out power supply, and the shell of secondary control system contacts with described supporting module, for ensureing equipotential.
Compared with the prior art, the beneficial effect that the present invention reaches is:
1, bracing frame is carried out unique design according to the difference in functionality of device by the present invention, and often locate structure and all determine according to device characteristics, various piece optimization fusion is as a whole the most at last.Structure is simple firmly, installation simple and fast, and compact in design, space availability ratio are large; Use standard sections, facility of drawing materials, processing is simple, with low cost; According to device function design Each part, more each structure optimization merged, rationally distributed, functional unit is distinguished distinct.
2, device combines according to function by the present invention, submodule is made to be divided into several assembly module form, such as: the IGBT, thyristor, busbar, radiator etc. of a second part are all integrated on element board, after a sections fit, only element board need be connected the assembling that can complete a second part with underframe column, and assembling and positioning is accurate.The control circuit of two second part and power supply are integrated in two cans respectively, and in the framework using drawer-type structure to be fixed on to be made up of column, girder, circuit board bracket, dismounting is convenient, and effectiveness is better.Electric capacity volume, weight are all comparatively large, are positioned over submodule rear portion, and according to the difference in height of electric capacity with other devices, the size of design column, electric capacity setscrew nut, make the inner space of whole submodule, external dimensions rationally distributed, minimizing space waste.Four lifting points of submodule are hidden in two girders, and lifting mode is lifted by existing top, are improved to bottom and lift; And by calculating, make the center of gravity of submodule be positioned at the center of four lifting points, reduce main beam deformation, hoisting process is also more stable.Overall structure adopts the type of attachment of welding, riveted joint, has both reduced assembly work amount, additionally reduces screw retention design.
Accompanying drawing explanation
Fig. 1 is the three-dimensional structure diagram of voltage source converter submodule unit holder provided by the invention;
Fig. 2 is the front view of voltage source converter submodule unit holder provided by the invention;
Fig. 3 is the vertical view of voltage source converter submodule unit holder provided by the invention;
Fig. 4 is the partial enlarged drawing one of voltage source converter submodule unit holder provided by the invention;
Fig. 5 is the partial enlarged drawing two of voltage source converter submodule unit holder provided by the invention;
Fig. 6 is the partial enlarged drawing three of voltage source converter submodule unit holder provided by the invention;
Wherein: 1-girder A1; 2-crossbeam; 3-girder B3; 4-column B4; 5-column A5; 6-element board; 7-circuit board bracket; 8-lifts cover; 9-lifting cover reinforcement; 10-capacitor setscrew nut; 11-element board setscrew nut; 12-installs setscrew nut.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
The invention provides a kind of voltage source converter submodule unit holder based on full control device, stereogram, front view and vertical view are respectively as shown in Figure 1,2 and 3, described voltage source converter is three-phase six bridge arm structure, each brachium pontis comprises the submodule unit of series connection, and support frame as described above is used for fixing described submodule unit; Submodule unit comprises capacitor, the IGBT module of half-bridge structure, supporting module, supporting bracket, connecting water pipe and radiator; The IGBT module parallel of described capacitor and half-bridge structure forms electric power components and parts; Described supporting module is for supporting electric power components and parts, supporting bracket, connecting water pipe and radiator; Described supporting bracket is vertical with the base of described supporting module to be arranged; Described supporting bracket there are two pieces of symmetrically arranged radiators, are connected by connecting water pipe between described two radiators; Two IGBT module of half-bridge structure respectively correspondence are arranged on described two radiators; The capacitor of each submodule unit is bolted on the base of supporting module.
Described submodule unit comprises thyristor and vacuum switch; Described thyristor is in parallel with the lower pipe IGBT of the IGBT module of half-bridge structure; Described thyristor press-fits between the positive and negative outgoing line busbar of the electric capacity of submodule unit; Described vacuum switch is bolted in described supporting bracket.
Described submodule unit also comprises draw-out power supply and secondary control system, described draw-out power supply is got from described capacitor can, for described secondary control system is powered, described secondary control system is for controlling the IGBT module of described half-bridge structure, vacuum switch and thyristor; Described draw-out power supply is positioned at below vacuum switch, described draw-out power supply packed by metal casing, and its shell contacts with described supporting module, for ensureing equipotential; Described secondary control system is positioned at above described draw-out power supply, and the shell of secondary control system contacts with described supporting module, for ensureing equipotential.
Described submodule unit also comprises the grading resistor of two series connection; Described grading resistor is positioned on described radiator, with IGBT device heteropleural.
Described secondary control system is integrated board, and it uses packed by metal casing.
The invention provides a kind of voltage source converter submodule unit holder based on full control device, comprise be arranged in parallel two girders, be provided with crossbeam and the column that is vertically arranged on described girder therebetween.Described column number is 4, its element board supported is positioned at underframe one end that described two girders and crossbeam form, described element board is parallel with described underframe and its axial length is less than described length over end sills, its transverse width is more than or equal to described width over side sills, and the vertical range between itself and described underframe is more than or equal to described underframe lateral separation.Two girders, crossbeam and four root posts consist of the rectangular frame of support frame as described above the mode of welding; Element board is horizontally placed on the rectangle end face that is made up of four root posts.Described two girders and crossbeam adopt the section bar in identical rectangular cross section, and two girder section long edge vertical directions are placed, and section of beam minor face is vertically placed; First crossbeam of arranging successively is arranged at the end points place of two girders.The submodule unit that distance between adjacent two crossbeams supports depending on it, the spacing between crossbeam is between 400 ~ 500 millimeters.
In the vertical side of described two girders, embedded being welded with lifts cover, for lifting submodule unit; The lateral surface of girder is stretched out in one end of described lifting cover, and the other end flushes with the medial surface of girder, and is welded with the lifting connecting lifting cover and girder directly over main cable and girder cover and overlaps reinforcement stretching out.The partial enlarged drawing of lifting cover as shown in Figure 6.Described four root posts are vertically welded on described two girders respectively, form rectangular frame, and use same column in the position being mutually diagonal angle.Spacing between adjacent two columns of minor face is 250 millimeters; Spacing between adjacent two columns in long limit is 450 millimeters.
The cross section of four root posts is C type groove beam shape, and stamps out right angle flange in the side of every root post, for installing the circuit board of submodule unit in the rectangular frame of four root posts formations; The C type groove beam opening of described four root posts is all inner towards rectangular frame, the two root post profiles mirror each other on described rectangular frame minor face.Element board setscrew nut is all welded with towards rectangular frame inner side in the upper end of described four root posts, and between the upper surface of element board setscrew nut and the upper extreme point of column, be provided with the gap of 1-10mm, described element board setscrew nut is provided with hole, be mutually two holes on diagonal position, one of them is circular hole, and another is via hole.The partial enlarged drawing of element board setscrew nut as shown in Figure 4.
Namely and leave the gap of 1-10mm between element board setscrew nut, for realizing by screw lock element board the lower surface of element board contacts with the upper surface of column.Described two girders are symmetrically welded with capacitor setscrew nut, for supporting and fixed capacitor; Spacing between first group capacitor setscrew nut and adjacent upright posts is 330 millimeters; Spacing between adjacent two capacitor setscrew nuts is 430 millimeters.
Installation setscrew nut is embedded with, for whole bracing frame is fixed on operating platform in the downside of described girder; The embedded downside being welded in girder of described installation setscrew nut.The position of described Main Girder Welding installation setscrew nut forms inner chamber, wall on the downside of inner chamber is equidistantly processed with three through holes, through hole is wherein coaxially arranged with the screwed hole installing setscrew nut, and other two side through hole are used for from main beam exterior welded and installed setscrew nut.The partial enlarged drawing of setscrew nut is installed as shown in Figure 5.
Embodiment
Support frame as described above comprises 1-girder A1; 2-crossbeam; 3-girder B3; 4-column B4; 5-column A5, element board 6, circuit board bracket 7, lifting cover 8, lifting cover reinforcement 9, capacitor setscrew nut 10, element board setscrew nut 11 and installation setscrew nut 12.
Described girder A1, girder B3, crossbeam 2, column A5, column B4 form this bracing frame main body frame by welding.It is inner that described element board setscrew nut 11 is welded in described column A1 and column B5, for fixing described element board 6; Described element board 6 is placed horizontally at the upper surface of described column A1, column B3, and is fixed by screw and element board setscrew nut 11; Described electric capacity setscrew nut 10 is welded in the upper surface of right half part of described girder A1, girder B3, for supporting and fixed capacitor; Described lifting cover 8 is the embedded outside portion of left and right end being welded in described girder A1, girder B3 respectively, for lifting basic functional units; Described installation setscrew nut 12 is embedded is welded in the downside of left and right end of described girder A1, girder B3, for fixedly mounting submodule unit.
Girder A1 and girder B3 be arranged in parallel, the crossbeam 2 of arranging successively is vertically provided with between girder A1 and girder B3, column A5 and column B4 is vertically welded in the left end upper side of girder A1 and girder B3 in pairs, form rectangular frame, and use same column in the position being mutually diagonal angle, reduce part kind; Element board 6 is horizontally placed on the rectangle end face that is made up of four root posts.
Described girder A1, girder B3, crossbeam 2 adopt identical rectangular cross section section bar, and girder A1, long edge, girder B3 cross section vertical direction are placed, and crossbeam 2 cross section minor face is vertically placed.The cross section of column A5, column B4 is C type groove beam shape, and stamps out right angle flange in the side of column, installs submodule unit circuit board for the lower portion formed at four root posts; And the C type groove beam opening of four root posts is all towards lower portion, the profile mirror image each other of column A5 and column B4.
The upper end medial surface of two groups of column A5, column B4 is all welded with element board setscrew nut 11, and 1-10 millimeter gap is left in the upper surface of element board setscrew nut 11 and the upper surface of column; Element board 6 is placed horizontally at the upper surface of the framework that two groups of column A5, column B4 are formed, and the lower surface of element board 6 only contacts with the upper surface of column, keep 1-10 millimeter gap with the upper surface of element board setscrew nut 11, be convenient to by screw lock element board 6; In four through holes that element board 6 is connected with element board setscrew nut 11, two, left side through hole is circular hole, and two, right side through hole is via hole.
Lay respectively at girder A1, girder about B3 two ends vertical side embedded be welded with lifting cover 8, the lateral surface of girder is stretched out in lifting cover 8 one end, the other end flushes with the medial surface of girder, and stretches out to be welded with directly over girder at lifting cover 8 and connect lifting cover and overlap reinforcement 9 with the lifting of girder.
Two ends, the left and right lower wall of girder A1, girder B3 hollow cavity is welded with and setscrew nut 12 is installed, for being fixed on other platforms by whole bracing frame; The inner chamber lower wall of girder A1, girder B3 welded and installed setscrew nut 12 is equidistantly processed with three through holes, and the through hole is wherein coaxially arranged with the screwed hole installing setscrew nut 12, and two side through hole are used for from main beam exterior welded and installed setscrew nut.
Supporting construction is carried out unique design according to the difference in functionality of device by the present invention, and often locate structure and all determine according to device characteristics, various piece optimization fusion is as a whole the most at last.The present invention is simple for structure firmly, it is reliably simple and easy to install, and material therefor is standard sections, is convenient to processing and manufacturing and cost is lower.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit, although with reference to above-described embodiment to invention has been detailed description, those of ordinary skill in the field are to be understood that: still can modify to the specific embodiment of the present invention or equivalent replacement, and not departing from any amendment of spirit and scope of the invention or equivalent replacement, it all should be encompassed in the middle of right of the present invention.
Claims (15)
1., based on a voltage source converter submodule unit holder for full control device, described voltage source converter is three-phase six bridge arm structure, and each brachium pontis comprises the submodule unit of series connection; It is characterized in that, support frame as described above comprise be arranged in parallel two girders, be provided with crossbeam and the column that is vertically arranged on described girder therebetween;
Described girder and crossbeam are all stainless steel rectangular tubes of 40 × 20 × 3 millimeters, and the length of girder and the height of column are determined according to engineering is actual; Described column is stamped to form by the corrosion resistant plate of 3 mm of thickness.
2. bracing frame as claimed in claim 1, it is characterized in that, described column number is 4, and its element board supported is positioned at underframe one end that described two girders and crossbeam form, described column other end support component plate; Described element board is parallel with described underframe and its axial length is less than described length over end sills, and its transverse width is more than or equal to described width over side sills, and the vertical range between itself and described underframe is more than or equal to described underframe lateral separation.
3. bracing frame as claimed in claim 2, is characterized in that, described two girders, crossbeam and four root posts form the rectangular frame of support frame as described above by the mode of welding; Element board is horizontally placed on the rectangle end face that is made up of four root posts.
4. bracing frame as claimed in claim 3, is characterized in that, described two girders and crossbeam adopt the section bar in identical rectangular cross section, and two girder section long edge vertical directions are placed, and section of beam minor face is vertically placed; First crossbeam of arranging successively is arranged at the end points place of two girders; The submodule unit that distance between adjacent two crossbeams supports depending on it, the spacing between crossbeam is between 400 ~ 500 millimeters.
5. bracing frame as claimed in claim 3, is characterized in that, in the vertical side of described two girders, embedded being welded with lifts cover, for lifting submodule unit; The lateral surface of girder is stretched out in one end of described lifting cover, and the other end flushes with the medial surface of girder, and is welded with the lifting connecting lifting cover and girder directly over main cable and girder cover and overlaps reinforcement stretching out.
6. bracing frame as claimed in claim 3, it is characterized in that, described four root posts are vertically welded on described two girders respectively, form rectangular frame, and use same column in the position being mutually diagonal angle; Spacing between adjacent two columns of minor face is 250 millimeters; Spacing between adjacent two columns in long limit is 450 millimeters.
7. bracing frame as claimed in claim 6, it is characterized in that, the cross section of described four root posts is C type groove beam shape, and stamps out right angle flange in the side of every root post, for installing the circuit board of submodule unit in the rectangular frame of four root posts formations; The C type groove beam opening of described four root posts is all inner towards rectangular frame, the two root post profiles mirror each other on described rectangular frame minor face.
8. bracing frame as claimed in claim 6, it is characterized in that, element board setscrew nut is all welded with towards rectangular frame inner side in the upper end of described four root posts, and between the upper surface of element board setscrew nut and the upper extreme point of column, be provided with the gap of 1-10mm, described element board setscrew nut is provided with hole, be mutually two holes on diagonal position, one of them is circular hole, and another is via hole.
Namely and leave the gap of 1-10mm between element board setscrew nut, for realization by screw lock element board 9. bracing frame as claimed in claim 2, it is characterized in that, the lower surface of described element board contacts with the upper surface of column.
10. bracing frame as claimed in claim 1, is characterized in that, described two girders are symmetrically welded with capacitor setscrew nut, for supporting and fixed capacitor; Spacing between first group capacitor setscrew nut and adjacent upright posts is 330 millimeters; Spacing between adjacent two capacitor setscrew nuts is 430 millimeters.
11. bracing frames as claimed in claim 1, is characterized in that, be embedded with installation setscrew nut in the downside of described girder, for whole bracing frame is fixed on operating platform;
The embedded downside being welded in girder of described installation setscrew nut.
12. bracing frames as claimed in claim 11, it is characterized in that, the position of described Main Girder Welding installation setscrew nut forms inner chamber, wall on the downside of inner chamber is equidistantly processed with three through holes, through hole is wherein coaxially arranged with the screwed hole installing setscrew nut, and other two side through hole are used for from main beam exterior welded and installed setscrew nut.
13. bracing frames as claimed in claim 11, is characterized in that, described submodule unit comprises capacitor, the IGBT module of half-bridge structure, supporting module, supporting bracket, connecting water pipe and radiator; The IGBT module parallel of described capacitor and half-bridge structure forms electric power components and parts;
Described supporting module is for supporting electric power components and parts, supporting bracket, connecting water pipe and radiator; Described supporting bracket is vertical with the base of described supporting module to be arranged;
Described supporting bracket there are two pieces of symmetrically arranged radiators, are connected by connecting water pipe between described two radiators;
Two IGBT module of half-bridge structure respectively correspondence are arranged on described two radiators;
The capacitor of each submodule unit is bolted on the base of supporting module.
14. bracing frames as claimed in claim 13, it is characterized in that, described submodule unit comprises thyristor and vacuum switch; Described thyristor is in parallel with the lower pipe IGBT of the IGBT module of half-bridge structure;
Described thyristor press-fits between the positive and negative outgoing line busbar of the electric capacity of submodule unit; Described vacuum switch is bolted in described supporting bracket.
15. bracing frames as claimed in claim 13, it is characterized in that, described submodule unit comprises draw-out power supply and secondary control system, described draw-out power supply is got from described capacitor can, for described secondary control system is powered, described secondary control system is for controlling the IGBT module of described half-bridge structure, vacuum switch and thyristor; Described draw-out power supply is positioned at below vacuum switch, described draw-out power supply packed by metal casing, and its shell contacts with described supporting module, for ensureing equipotential;
Described secondary control system is positioned at above described draw-out power supply, and the shell of secondary control system contacts with described supporting module, for ensureing equipotential.
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| CN201310554155.5A CN103633819B (en) | 2013-11-08 | 2013-11-08 | A kind of voltage source converter submodule unit holder based on full control device |
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| CN201310554155.5A CN103633819B (en) | 2013-11-08 | 2013-11-08 | A kind of voltage source converter submodule unit holder based on full control device |
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| CN103633819A CN103633819A (en) | 2014-03-12 |
| CN103633819B true CN103633819B (en) | 2016-04-20 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4386487A (en) * | 1981-06-08 | 1983-06-07 | United Technologies Corporation | Low torsion mounting construction |
| CN201789407U (en) * | 2010-07-16 | 2011-04-06 | 中国电力科学研究院 | Frame structure applied to high-voltage direct-current power transmission converter module |
| CN202077316U (en) * | 2011-04-20 | 2011-12-14 | 帝斯贝思数字信号处理和控制工程有限公司 | Printed circuit board support |
| CN103025109A (en) * | 2012-12-11 | 2013-04-03 | 株洲南车时代电气股份有限公司 | Horizontal wiring cabinet |
| CN103036452A (en) * | 2012-12-10 | 2013-04-10 | 国网智能电网研究院 | Submodule unit of voltage source transverter based on full control components |
-
2013
- 2013-11-08 CN CN201310554155.5A patent/CN103633819B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4386487A (en) * | 1981-06-08 | 1983-06-07 | United Technologies Corporation | Low torsion mounting construction |
| CN201789407U (en) * | 2010-07-16 | 2011-04-06 | 中国电力科学研究院 | Frame structure applied to high-voltage direct-current power transmission converter module |
| CN202077316U (en) * | 2011-04-20 | 2011-12-14 | 帝斯贝思数字信号处理和控制工程有限公司 | Printed circuit board support |
| CN103036452A (en) * | 2012-12-10 | 2013-04-10 | 国网智能电网研究院 | Submodule unit of voltage source transverter based on full control components |
| CN103025109A (en) * | 2012-12-11 | 2013-04-03 | 株洲南车时代电气股份有限公司 | Horizontal wiring cabinet |
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| CN103633819A (en) | 2014-03-12 |
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Effective date of registration: 20170524 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Co-patentee after: China-EPRI Electric Power Engineering Co., Ltd. Patentee after: State Grid Corporation of China Co-patentee after: Dalian Power Supply Company, State Grid Liaoning Electric Power Co., Ltd. Address before: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Co-patentee before: State Grid Smart Grid Institute Patentee before: State Grid Corporation of China Co-patentee before: China-EPRI Electric Power Engineering Co., Ltd. Co-patentee before: Dalian Power Supply Company, State Grid Liaoning Electric Power Co., Ltd. |
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