CN105515375A - Movable high-voltage large-capacity DC/DC converter - Google Patents
Movable high-voltage large-capacity DC/DC converter Download PDFInfo
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- CN105515375A CN105515375A CN201511001280.9A CN201511001280A CN105515375A CN 105515375 A CN105515375 A CN 105515375A CN 201511001280 A CN201511001280 A CN 201511001280A CN 105515375 A CN105515375 A CN 105515375A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/0067—Converter structures employing plural converter units, other than for parallel operation of the units on a single load
- H02M1/0074—Plural converter units whose inputs are connected in series
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/0067—Converter structures employing plural converter units, other than for parallel operation of the units on a single load
- H02M1/0077—Plural converter units whose outputs are connected in series
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Power Engineering (AREA)
- Rectifiers (AREA)
Abstract
The invention provides a movable high-voltage large-capacity DC/DC converter which comprises a high-voltage converter device, a resonance device and a low-voltage converter device. The high-voltage converter device is connected with the low-voltage converter device through the resonance device. The movable high-voltage large-capacity DC/DC converter provided by the invention has advantages of high compactness, high expandability and high reliability. The movable high-voltage large-capacity DC/DC converter lays a foundation for application in the DC power grid field. The distributed isolated design of the movable high-voltage large-capacity DC/DC converter effectively reduces insulation gaps and greatly reduces spatial dimension of the equipment. Through an integrated cabinet design, the movable high-voltage large-capacity DC/DC converter has advantages of improving integral weather fastness and reliability of the DC/DC converter, reducing land occupation of the DC/DC converter, and reducing maintenance interval distance because of the ground potential characteristic of the integrated cabinet.
Description
Technical field
The present invention relates to a kind of DC converter, be specifically related to a kind of movable type high-pressure Large Copacity DC/DC converter.
Background technology
In ac transmission, the key equipment realizing changing between different electric pressure is AC transformer.And in direct current network, realizing different brackets direct voltage interconnected is then DC converter with key equipment that is voltage transformation.Its Main Function comprises the connection realizing different electric pressure, different DC techniques and different topology pattern DC network; Realize the Power Exchange between different sub-systems; Realize the electrical isolation between different sub-network network; Realize power plant or the access of load in the middle part of remote direct current transmission circuit; Realize the transmission etc. of long distance low capacity power.
Disclosed DC converter equipment mainly concentrates on low-voltage, low-power applications occasion at present, is mainly used in electronic equipment.Wherein, application number be 201110164588.0 and application number be 200810045718.7 patent of invention be all about DC converter, emphasis is the DC converter being applied to electronic equipment, but voltage and capacity relative less, high voltage, Large Copacity field cannot be applicable to.
DC converter for high-voltage large-capacity field designs, current research is at home relatively less, up to now, also there is no clear and definite engineer applied occasion, therefore the DC converter of high-voltage large-capacity application is a technological gap relatively, does not also find the patent of clear and definite high-voltage large-capacity DC converter apparatus design aspect at present.
Consider the engineer applied of DC converter, DC converter may be applied to different electric pressures, voltage span is from several kilovolts to kilovolt up to a hundred, and therefore the valve module design of DC converter must have extensibility, is convenient to realize the flexible expansion between different electric pressure.Direct current variator structure should be convenient to project installation and debugging simultaneously, and operation maintenance.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the invention provides a kind of movable type high-pressure Large Copacity DC/DC converter, have compactedness, extensibility and high reliability, for DC converter is in direct current transportation field, especially the application in direct current network field lays the foundation.
In order to realize foregoing invention object, the present invention takes following technical scheme:
The invention provides a kind of movable type high-pressure Large Copacity DC/DC converter, described DC/DC converter comprises high-voltage converter device, resonance device and low pressure current converter; Described high-voltage converter device is connected with low pressure current converter by resonance device.
Described high-voltage converter device comprises high pressure container and is arranged in the high voltage current changer of high pressure internal container, high-voltage bridge arms reactance and control and protection unit;
Described high voltage current changer connects busbar by high-voltage electrical apparatus and connects high-voltage bridge arms reactance; Described high-voltage electrical apparatus connects on busbar arranges the first electric detecting unit, and the described first electric detecting unit is directly fixed on the top of high pressure container, and adopts suspended structure;
Described first is electrically connected by control cables between detecting unit with control and protection unit.
Described high pressure internal container is also furnished with the first cooling system, and described first cooling system comprises high-pressure intake pipe and high pressure return pipe; Described high-pressure intake pipe and high pressure return pipe are all connected with branch's water pipe system of high voltage current changer, and both all adopt hang to be fixed on the top of high pressure container, and draw high pressure container outside.
Described high pressure internal container is provided with the first shielding partition wall, high voltage current changer and high-voltage bridge arms reactance is isolated in a space, by control and protection unit cell isolation in another space;
Described high pressure internal container is provided with the first temperature and humidity regulation system, the first temp measuring system and the first power and lighting system simultaneously.
Described high voltage current changer is made up of the valve module that N structure is identical, is connected between different valve modules by interlayer support insulator with fixed support insulator;
Each valve module contains m sub-series module successively, and is cooled by the semiconductor device arranging the first branch pipe system antithetical phrase inside modules, and described first branch pipe system comprises high pressure branch main and high pressure bypass line;
The number of described high pressure bypass line is equal with the submodule quantity of valve module inside, and described high pressure bypass line adopts relative to high pressure branch main and is arranged in parallel structure.
Described low pressure current converter comprises low pressure container and is arranged in the low pressure converter of low pressure internal container, the reactance of low pressure brachium pontis and resonance reactive capacitance;
Described low pressure converter, the reactance of low pressure brachium pontis and resonance reactive capacitance are disposed in order successively along low pressure container length direction;
Described low pressure converter connects busbar by low-voltage electrical and connects the reactance of low pressure brachium pontis; Described low-voltage electrical connects on busbar arranges the second electric detecting unit, and the described second electric detecting unit is directly fixed on the top of low pressure container, and adopts suspended structure;
Described second is electrically connected by control cables between detecting unit with the control and protection unit of high pressure internal container.
Described low pressure internal container is also furnished with the second cooling system, and described the second cooling system comprises low pressure water inlet pipe and low pressure return pipe; Described low pressure water inlet pipe is connected with branch's water pipe system of low pressure return Guan Junyu low pressure converter, and both all adopt hang to be fixed on the top of low pressure container, and draws low pressure container outside;
Low pressure water inlet pipe, low pressure return pipe, high-pressure intake pipe and high pressure return pipe are all connected on same external refrigeration device.
Described low pressure internal container is provided with secondary shielding partition wall, is isolated in a space, is isolated in low pressure converter and the reactance of low pressure brachium pontis by resonance reactive capacitance in another space;
Described low pressure internal container is provided with the second temperature and humidity regulation system, the second temp measuring system and the second power and lighting system simultaneously.
Described low pressure converter is made up of the valve module that N structure is identical, is connected between different valve modules by interlayer support insulator with fixed support insulator;
Each valve module contains m sub-series module successively, and is cooled by the semiconductor device arranging the second branch pipe system antithetical phrase inside modules, and described second branch pipe system comprises low pressure branch main and low pressure bypass line;
The number of described low pressure bypass line is equal with the submodule quantity of valve module inside, and described low pressure bypass line adopts relative to low pressure branch main and is arranged in parallel structure.
Between described high pressure container and low pressure container, flat bed is placed or overlapping placement up and down side by side;
Connecting by exchanging wiring between described high pressure container and low pressure container, exchanging wiring and adopting cable form or bare metal form of conductors.
The sidewall of described high pressure container and low pressure container is respectively equipped with two high-voltage direct-current sleeves and two low-voltage direct sleeve pipes, direct current line for DC/DC converter connects, and high-voltage direct-current sleeve and low-voltage direct sleeve pipe meet the requirement of structure installment intensity and voltage tolerance.
Compared with immediate prior art, technical scheme provided by the invention has following beneficial effect:
1., by container designs, the height that can realize converter is integrated, thus realizes rapid-assembling and movement;
2. by the space compartmentalized design of container, each for converter funtion part is independently left, avoid strong power part and the mutual interference controlling weakness part;
3. adopt independent Substation Design, there is the function of integrated converting station.Except basic electric energy supply, contain relatively independent illuminator, fire alarm system, independent fire extinguishing system, central air-conditioning system etc.;
4. in overall structure, adopt independent case structure to design, make DC/DC converter have very high expanded application characteristic;
5., in internal placement, adopt the Integration Design of main electric function subregion, auxiliary system independent partitions isolation layout;
6. adopt distributed isolation design between high pressure, low pressure, effectively save clearance for insulation, significantly reduce device space size;
7. by container designs, improve overall weatherability and the reliability of DC/DC converter, and reduce the floor space of DC/DC converter, simultaneously due to the earth potential characteristic of container, maintenance interval distance can be reduced.
Accompanying drawing explanation
Fig. 1 is DC/DC converter electric topology figure in the embodiment of the present invention;
Fig. 2 is DC/DC inverter inside structure chart in the embodiment of the present invention;
Fig. 3 is embodiment of the present invention mesohigh internal container structure chart;
Fig. 4 is embodiment of the present invention mesohigh converter structure figure;
Fig. 5 is embodiment of the present invention mesolow internal container structure chart;
Fig. 6 is embodiment of the present invention mesolow converter structure figure;
In figure, 5-low pressure converter, 6-low pressure container, 7-high voltage current changer, 8-high pressure container, 9-exchanges wiring, 10-resonance reactive capacitance, 11-control and protection unit, the reactance of 12-high-voltage bridge arms, the reactance of 13-low pressure brachium pontis, 14-central air-conditioning system, 15-high-pressure intake pipe, 16-high pressure return pipe, 17-first shields partition wall, 18-high-voltage electrical apparatus connects busbar, 19-first is detecting unit electrically, 20-first temperature and humidity regulation system, 21-submodule, 22-first branch pipe system, 23-high pressure branch main, 24-high pressure bypass line, 25-high pressure valve side connects busbar, 26-fixed support insulator, 27-interlayer support insulator, 28-low-voltage electrical connects busbar, 29-low pressure water inlet pipe, 30-low pressure return pipe, 31-second temperature and humidity regulation system, 32-second branch pipe system, 33-low pressure branch main, 34-low pressure bypass line, 35-low pressure valve side connects busbar, 36-second is detecting unit electrically.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Based on the DC/DC converter electric topology shown in Fig. 1, the invention provides a kind of movable type high-pressure Large Copacity DC/DC converter, in order to the coordinated realizing electric and device designs, possesses extensibility, by topology shown in Fig. 1 according to electric characteristic, carry out function division, be divided into high-voltage commutation unit, low pressure convertor unit and resonant element, on device Integrated design, corresponding three electric function subregions, as Fig. 2, described DC/DC converter comprises high-voltage converter device, resonance device and low pressure current converter; Described high-voltage converter device is connected with low pressure current converter by resonance device.
Between described high pressure container 8 and low pressure container 6, flat bed is placed or overlapping placement up and down side by side;
Connecting by exchanging wiring 9 between described high pressure container 8 and low pressure container 6, exchanging wiring 9 and adopting cable form or bare metal form of conductors.
As Fig. 3, described high-voltage converter device comprises high pressure container 8 and is arranged in the high voltage current changer 7 of high pressure container 8 inside, high-voltage bridge arms reactance 12 and control and protection unit 11;
Described high voltage current changer 7 connects busbar 18 by high-voltage electrical apparatus and connects high-voltage bridge arms reactance 12; Described high-voltage electrical apparatus connects on busbar 18 arranges the first electric detecting unit 19, and the described first electric detecting unit 19 is directly fixed on the top of high pressure container 8, and adopts suspended structure;
Described first is electrically connected by control cables between detecting unit 19 with control and protection unit 11.
Described high pressure container 8 inside is also furnished with the first cooling system, and described first cooling system comprises high-pressure intake pipe 15 and high pressure return pipe 16; Described high-pressure intake pipe 15 and high pressure return pipe 16 are all connected with branch's water pipe system of high voltage current changer 7, and both all adopt hang to be fixed on the top of high pressure container 8, and draw high pressure container 8 outside.
Described high pressure container 8 inside is provided with the first shielding partition wall 17, high voltage current changer 7 and high-voltage bridge arms reactance 12 is isolated in a space, by control and protection unit 11 cell isolation in another space;
Described high pressure container 8 inside is provided with the first temperature and humidity regulation system 20, first temp measuring system and the first power and lighting system simultaneously.
As Fig. 4, described high voltage current changer 7 is made up of the valve module that N structure is identical, is connected between different valve modules by interlayer support insulator 27 with fixed support insulator 26; The high pressure valve side arranged in the side of high voltage current changer accordingly for being connected with high-voltage bridge arms reactance connects busbar 25.
Each valve module contains m sub-series module 21 successively, and is cooled by the semiconductor device arranging the first branch pipe system 22 pairs of submodule 21 inside, and described first branch pipe system 22 comprises high pressure branch main 23 and high pressure bypass line 24;
The number of described high pressure bypass line 24 is equal with submodule 21 quantity of valve module inside, and described high pressure bypass line 24 adopts relative to high pressure branch main 23 and is arranged in parallel structure.
As Fig. 5, described low pressure current converter comprises low pressure container 6 and is arranged in the low pressure converter 5 of low pressure container 6 inside, low pressure brachium pontis reactance 13 and resonance reactive capacitance 10;
Described low pressure converter 5, low pressure brachium pontis reactance 13 and resonance reactive capacitance 10 are disposed in order successively along low pressure container 6 length direction;
Described low pressure converter 5 connects busbar 28 by low-voltage electrical and connects low pressure brachium pontis reactance 13; Described low-voltage electrical connects on busbar 28 arranges the second electric detecting unit 36, and the described second electric detecting unit 36 is directly fixed on the top of low pressure container 6, and adopts suspended structure;
Described second electric detecting unit 36 is connected by control cables with between the control and protection unit 11 of high pressure container 8 inside.
Described low pressure container 6 inside is also furnished with the second cooling system, and described the second cooling system comprises low pressure water inlet pipe 29 and low pressure return pipe 30; Described low pressure water inlet pipe 29 and low pressure return pipe 30 are all connected with branch's water pipe system of low pressure converter 5, and both all adopt hang to be fixed on the top of low pressure container 6, and draw low pressure container 6 outside;
Low pressure water inlet pipe 29, low pressure return pipe 30, high-pressure intake pipe 15 and high pressure return pipe 16 are all connected on same external refrigeration device.
Described low pressure container 6 inside is provided with secondary shielding partition wall, is isolated in a space, is isolated in low pressure converter 5 and low pressure brachium pontis reactance 13 by resonance reactive capacitance 10 in another space;
Described low pressure container 6 inside is provided with the second temperature and humidity regulation system 31, second temp measuring system and the second power and lighting system simultaneously.
As Fig. 6, described low pressure converter 5 is made up of the valve module that N structure is identical, is connected between different valve modules by interlayer support insulator with fixed support insulator; The low pressure valve side arranged in the side of low pressure converter accordingly for being connected with the reactance of low pressure brachium pontis connects busbar 35.
Each valve module contains m sub-series module successively, and is cooled by the semiconductor device arranging the second branch pipe system 32 antithetical phrase inside modules, and described second branch pipe system 32 comprises low pressure branch main 33 and low pressure bypass line 34;
The number of described low pressure bypass line 34 is equal with the submodule quantity of valve module inside, and described low pressure bypass line 34 adopts relative to low pressure branch main 33 and is arranged in parallel structure.
The sidewall of described high pressure container 8 and low pressure container 6 is respectively equipped with two high-voltage direct-current sleeves 3 and two low-voltage direct sleeve pipes 4, direct current line for DC/DC converter connects, and high-voltage direct-current sleeve 3 and low-voltage direct overlap the requirement that 4 pipes meet structure installment intensity and voltage tolerance.
DC/DC converter provided by the invention mainly for the DC converter of high pressure, Large Copacity application, the rated voltage of this DC converter reach 10kV and more than, rated capacity reach 1WM and more than, belong to the equipment in high pressure power transmission and distribution field.
The cooling system of DC/DC converter provided by the invention has originality feature, the adjacent submodule series component of the inner same flat layered structures of valve module of high voltage current changer 7 and low pressure converter 5 is on same symmetrical structure, adopt and share the water route design of single branch, full Parallel Design is then adopted between different layers valve module, greatly improve cooling effectiveness, and effectively reduce the quantity of water pipe head.
The engineer applied flexibility of converter, the present invention adopts the design concept of independent transformer station, adopts the height integration realization of DC/DC converter, is integrated with the several functions of transformer station, can in engineer applied independent utility, do not rely on the exclusive valve Room or indoor type building.DC/DC converter provided by the invention comprises independently illuminator, fire alarm system, independent fire extinguishing system, central air-conditioning system 14 etc., and wherein in order to effectively reduce Container Dimensions, central air-conditioning system 14 and container structure have made entirety.
Independently container structure is arranged, when engineer applied, and can according to engineering site condition flexible arrangement, in the occasion that floor space is loose, high voltage converter valve cabinet can adopt same flat bed to be arranged in juxtaposition, and in the occasion of limited floor space, then can adopt high-low pressure converter valve lower floor's layout cashier's office in a shop.Described shielding partition wall adopts metal to make, and internal container space is divided into two separate space.
DC/DC converter provided by the invention has taken into full account structural strength and aseismic design needs in accessory structure design, adopts the theory of layering and zoning design strength, in converter valve district and resonance reactive capacitance district, then adopts reinforced structure design; In underloading structural area, such as Kong Bao district and brachium pontis reactance district, then adopt corresponding simplified structure to design.The fraction design of structural area, this layering and zoning, can effectively reduce device emphasis and cost.In device support structure, all high voltage devices, all adopt compound inslation to support isolation design, and in electrical connection, when needing to cross over container or metallic shield partition wall, the unified insulating sleeve pipe that adopts connects.
To possess electrically to make DC/DC converter and structure works in coordination with autgmentability, apparatus of the present invention except adopting modularized design in main electrical structure design, subsystem design also uses the sharpening layout design that function division isolation is arranged, fibre system, control cable, the unified lower layer space being arranged in casing such as low-voltage lines such as detection cable, illuminating line etc., be convenient to lay, safeguard and change, water-cooled pipeline, electrical connection busbar, the contour positioning system of detecting unit then unified according to respective cut zone in casing top layout.This function division isolation layout design, makes the layout of DC/DC inverter inside very clear, and is convenient to safeguard and change, and also greatly saves inner space simultaneously.
DC/DC converter provided by the invention has the feasibility of engineer applied, reliability and economy, takes into account electric pressure and capacity boost demand simultaneously, has very strong electric autgmentability.
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; those of ordinary skill in the field still can modify to the specific embodiment of the present invention with reference to above-described embodiment or equivalent replacement; these do not depart from any amendment of spirit and scope of the invention or equivalent replacement, are all applying within the claims of the present invention awaited the reply.
Claims (11)
1. a movable type high-pressure Large Copacity DC/DC converter, is characterized in that: described DC/DC converter comprises high-voltage converter device, resonance device and low pressure current converter; Described high-voltage converter device is connected with low pressure current converter by resonance device.
2. movable type high-pressure Large Copacity DC/DC converter according to claim 1, is characterized in that: described high-voltage converter device comprises high pressure container and is arranged in the high voltage current changer of high pressure internal container, high-voltage bridge arms reactance and control and protection unit;
Described high voltage current changer connects busbar by high-voltage electrical apparatus and connects high-voltage bridge arms reactance; Described high-voltage electrical apparatus connects on busbar arranges the first electric detecting unit, and the described first electric detecting unit is directly fixed on the top of high pressure container, and adopts suspended structure;
Described first is electrically connected by control cables between detecting unit with control and protection unit.
3. movable type high-pressure Large Copacity DC/DC converter according to claim 2, it is characterized in that: described high pressure internal container is also furnished with the first cooling system, described first cooling system comprises high-pressure intake pipe and high pressure return pipe; Described high-pressure intake pipe and high pressure return pipe are all connected with branch's water pipe system of high voltage current changer, and both all adopt hang to be fixed on the top of high pressure container, and draw high pressure container outside.
4. movable type high-pressure Large Copacity DC/DC converter according to claim 2, it is characterized in that: described high pressure internal container is provided with the first shielding partition wall, high voltage current changer and high-voltage bridge arms reactance are isolated in a space, by control and protection unit cell isolation in another space;
Described high pressure internal container is provided with the first temperature and humidity regulation system, the first temp measuring system and the first power and lighting system simultaneously.
5. the movable type high-pressure Large Copacity DC/DC converter according to Claims 2 or 3, it is characterized in that: described high voltage current changer is made up of the valve module that N structure is identical, be connected with fixed support insulator by interlayer support insulator between different valve modules;
Each valve module contains m sub-series module successively, and is cooled by the semiconductor device arranging the first branch pipe system antithetical phrase inside modules, and described first branch pipe system comprises high pressure branch main and high pressure bypass line;
The number of described high pressure bypass line is equal with the submodule quantity of valve module inside, and described high pressure bypass line adopts relative to high pressure branch main and is arranged in parallel structure.
6. movable type high-pressure Large Copacity DC/DC converter according to claim 3, is characterized in that: described low pressure current converter comprises low pressure container and is arranged in the low pressure converter of low pressure internal container, the reactance of low pressure brachium pontis and resonance reactive capacitance;
Described low pressure converter, the reactance of low pressure brachium pontis and resonance reactive capacitance are disposed in order successively along low pressure container length direction;
Described low pressure converter connects busbar by low-voltage electrical and connects the reactance of low pressure brachium pontis; Described low-voltage electrical connects on busbar arranges the second electric detecting unit, and the described second electric detecting unit is directly fixed on the top of low pressure container, and adopts suspended structure;
Described second is electrically connected by control cables between detecting unit with the control and protection unit of high pressure internal container.
7. movable type high-pressure Large Copacity DC/DC converter according to claim 6, it is characterized in that: described low pressure internal container is also furnished with the second cooling system, described the second cooling system comprises low pressure water inlet pipe and low pressure return pipe; Described low pressure water inlet pipe is connected with branch's water pipe system of low pressure return Guan Junyu low pressure converter, and both all adopt hang to be fixed on the top of low pressure container, and draws low pressure container outside;
Low pressure water inlet pipe, low pressure return pipe, high-pressure intake pipe and high pressure return pipe are all connected on same external refrigeration device.
8. movable type high-pressure Large Copacity DC/DC converter according to claim 6, it is characterized in that: described low pressure internal container is provided with secondary shielding partition wall, low pressure converter and the reactance of low pressure brachium pontis are isolated in a space, resonance reactive capacitance are isolated in another space;
Described low pressure internal container is provided with the second temperature and humidity regulation system, the second temp measuring system and the second power and lighting system simultaneously.
9. movable type high-pressure Large Copacity DC/DC converter according to claim 6, is characterized in that: described low pressure converter is made up of the valve module that N structure is identical, is connected between different valve modules by interlayer support insulator with fixed support insulator;
Each valve module contains m sub-series module successively, and is cooled by the semiconductor device arranging the second branch pipe system antithetical phrase inside modules, and described second branch pipe system comprises low pressure branch main and low pressure bypass line;
The number of described low pressure bypass line is equal with the submodule quantity of valve module inside, and described low pressure bypass line adopts relative to low pressure branch main and is arranged in parallel structure.
10. movable type high-pressure Large Copacity DC/DC converter according to claim 6, is characterized in that: between described high pressure container and low pressure container, flat bed is placed or overlapping placement up and down side by side;
Connecting by exchanging wiring between described high pressure container and low pressure container, exchanging wiring and adopting cable form or bare metal form of conductors.
11. movable type high-pressure Large Copacity DC/DC converters according to claim 10, it is characterized in that: the sidewall of described high pressure container and low pressure container is respectively equipped with two high-voltage direct-current sleeves and two low-voltage direct sleeve pipes, direct current line for DC/DC converter connects, and high-voltage direct-current sleeve and low-voltage direct sleeve pipe meet the requirement of structure installment intensity and voltage tolerance.
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| CN201511001280.9A CN105515375A (en) | 2015-12-28 | 2015-12-28 | Movable high-voltage large-capacity DC/DC converter |
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| CN201511001280.9A CN105515375A (en) | 2015-12-28 | 2015-12-28 | Movable high-voltage large-capacity DC/DC converter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108512440A (en) * | 2018-05-04 | 2018-09-07 | 北京金风科创风电设备有限公司 | Current conversion device and bipolar current conversion system |
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| CN102136730A (en) * | 2011-01-28 | 2011-07-27 | 中电普瑞科技有限公司 | Movable-type static synchronous compensator with compact structure design |
| CN102842858A (en) * | 2012-08-02 | 2012-12-26 | 广东电网公司东莞供电局 | Movable high-voltage high-capacity chained STATCOM system container structure |
| CN203219169U (en) * | 2013-05-08 | 2013-09-25 | 株洲南车时代电气股份有限公司 | Converter device |
| CN203984256U (en) * | 2014-05-21 | 2014-12-03 | 许继电气股份有限公司 | Flexible DC power transmission case room formula converter valve device and valve tower |
| CN104638930A (en) * | 2014-12-30 | 2015-05-20 | 国家电网公司 | High-voltage large-capacity DC/DC (Direct Current) converter suitable for DC power supply |
| CN104953860A (en) * | 2015-07-09 | 2015-09-30 | 中国海洋石油总公司 | Container type flexible direct-current converter valve device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108512440A (en) * | 2018-05-04 | 2018-09-07 | 北京金风科创风电设备有限公司 | Current conversion device and bipolar current conversion system |
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