CN107800306A - A kind of high-power AC and DC drive rectifier cabinet based on heat pipe heat radiation technology - Google Patents
A kind of high-power AC and DC drive rectifier cabinet based on heat pipe heat radiation technology Download PDFInfo
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- CN107800306A CN107800306A CN201711183415.7A CN201711183415A CN107800306A CN 107800306 A CN107800306 A CN 107800306A CN 201711183415 A CN201711183415 A CN 201711183415A CN 107800306 A CN107800306 A CN 107800306A
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- cabinet
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- alternating current
- resistance
- bus bar
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Classifications
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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
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/003—Constructional details, e.g. physical layout, assembly, wiring or busbar connections
-
- 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
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/145—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means
- H02M7/155—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only
-
- 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
- H05K7/14—Mounting supporting structure in casing or on frame or rack
- H05K7/1422—Printed circuit boards receptacles, e.g. stacked structures, electronic circuit modules or box like frames
- H05K7/1427—Housings
- H05K7/1432—Housings specially adapted for power drive units or power converters
-
- 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
- H05K7/20909—Forced ventilation, e.g. on heat dissipaters coupled to components
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Rectifiers (AREA)
Abstract
A kind of high-power AC and DC drive rectifier cabinet based on heat pipe heat radiation technology, belongs to electric and electronic technical field.Including cabinet, heat pipe power model, supporting plate, AC and DC busbar, support frame, cooling blower, insulating barrier, current divider, alternating current bus bar fixed mount, current transformer, fast molten, resistance, electric capacity, capacitive insulation plate, resistance insulation plate.The both sides of cabinet are respectively mounted support beam, play support and fixation；It is divided into front and rear two parts inside cabinet：Forward part is rectification module workspace, and upper back blower fan exhausting cooled region, rear middle and lower part are AC and DC busbar regions.Advantage is, rationally distributed in cabinet, compact-sized, and power density is high, equipment is simple, is easily changed maintenance, due to using heat-pipe radiator and the reasonable air channel of structure, so heat-sinking capability is strong, device fan-out capability is big, disclosure satisfy that the actual requirement that AC and DC transmission load is big, voltage is high.
Description
Technical field
The invention belongs to electric and electronic technical field, and in particular to a kind of high-power based on hot pipe technique cross, straight is spread
Dynamic rectifier cabinet, is widely used in the electric drive system of AC and DC motor.
Background technology
Large-scale dc motor stator winding needs a set of Thyristor Three-phase full-bridge rectifier circuit for reversible drives power supply, AC synchronous electricity
The stator winding of machine, then need three sets of Thyristor Three-phase full-bridges reversible or irreversible rectification circuit is powered.
At present, the rectifier cabinet of large-sized DC transmission system and Cycloconverter uses air cooling way, radiator more
For copper or aluminium material, radiating effect is undesirable, influences the service life of IGCT, and single cabinet fan-out capability is limited.Using water cooling side
Formula effect is best, but water-cooling system can increase cost and maintenance workload.So the power cabinet based on heat pipe heat radiation technology is
Cost performance selects well, and heat-pipe radiator thermal resistance is small, and thermal conductivity is good and uniform, and there is heat pipe power cabinet big, radiating of contributing to imitate
The features such as fruit is good, simple in construction, service life is long, non-maintaining, reliability is high.
The content of the invention
It is an object of the invention to propose a kind of high-power AC and DC drive rectifier cabinet based on hot pipe technique, to full
It is big to rectifier cabinet single cabinet fan-out capability, simple in construction, non-maintaining and reliability is high etc. requires in sufficient Practical Project.
The present invention includes cabinet 1, heat pipe power model, supporting plate 4, AC and DC busbar, support frame 6, cooling blower
7th, insulating barrier 8, current divider 9, alternating current bus bar fixed mount 10, current transformer 11, to melt 13, resistance 14, electric capacity 15, electric capacity soon exhausted
Listrium 17, resistance insulation plate 18.
The both sides of cabinet 1 are respectively mounted support beam 6, play support and fixation；
It is divided into front and rear two parts inside cabinet 1：Forward part is rectification module workspace, upper back blower fan exhausting cooling zone
Domain, rear middle and lower part are AC and DC busbar regions；
Anterior rectification module working region includes：Share six sets of heat pipe power models, three sets of upper strata and three sets of lower floor
It is separately mounted in supporting plate 4, often covers heat pipe power model and be made up of heat-pipe radiator 2 and IGCT 3, often cover heat pipe power mould
Block is spaced from each other by insulating barrier 8, and (both sides are small DC master row to the three pieces small busbar that often set heat-pipe radiator 2 stretches out, and centre is
Small alternating current bus bar) two IGCTs 3 of crimping, form antiparallel one group of bridge arm.Six groups of inverse parallel bridge arms form the pulse wave of three-phase six
Reversible rectifier loop, cooling blower 7 is in the back upper place of six sets of heat pipe power models, due to using heat-pipe radiator technology, than with
To IGCT good heat dissipation effect, temperature rise is low, makes rectification module stable and reliable in work for aluminium or copper radiator.
Upper back be cooling blower 7 from exhausting above, take away air channel heat.The lower section of cooling blower 7 is resistance 14 and electric capacity
15 its heat sent are taken away by blower fan above；Six resistance 14 are arranged on two resistance insulation bars 18, and the electric capacity of adjacency is exhausted
Six electric capacity 15 are installed on listrium 17；Six resistance 14 and six electric capacity 15 respectively and are connected in six groups of anti-parallel thyristors
Both ends；The effect of resistance 14 and electric capacity 15 is to absorb IGCT 3 in overvoltage spike caused by commutation, effectively prevents IGCT
Over-voltage fault.
Middle part is fast molten 13, current transformer 11, current divider 9 and alternating current bus bar 12 and DC master row behind the inside of cabinet 1
5。
Two current transformers 11 are set with the U phases and W phases of three-phase alternating current busbar 12, to detect AC electricity
Flow signal.
Alternating current bus bar 12 is fixed on alternating current bus bar fixed mount 10, after melting 13 per mutually series connection one is fast respectively, with six groups of heat
The small alternating current bus bar connection of tube power module, positive and negative DC master row 5, the connection of positive direct-current busbar are formed after the rectification of IGCT 3
One current divider 9, to detect DC side electric current.
Six melt 13 soon, are divided into two groups up and down of spaced set, connect alternating current bus bar 12 and heat pipe power model respectively
Small alternating current bus bar, this six melt for overcurrent protection soon.
Rear portion is three-phase alternating current busbar and DC master row under cabinet, and alternating current bus bar connects outside three-phase alternating-current supply, direct current
Busbar connects load equipment.
The advantage of the invention is that：
(1) because using hot pipe technique, than common aluminium or copper radiator good heat dissipation effect, temperature rise is low, device output energy
Power, the stability and reliability for making rectifier cabinet improve.
(2) it is rationally distributed in cabinet, it is compact-sized, space and cost are saved, power density is high, and equipment is simple, and installation is safeguarded
It is convenient.
(3) front gate inlet air, cooling air take out hot blast to cabinet rear portion, then by the cabinet top fan of upper back by radiator
Walk, the fuse in air channel, current transformer, current divider with heating element and alternating current-direct current busbars such as, resistance-capacitance absorptions,
With to cooling.
Brief description of the drawings
Fig. 1 is the structure front view of the present invention.
Fig. 2 is the structure rearview of the present invention.
Fig. 3 is the circuit theory diagrams of the present invention.
In figure, cabinet 1, heat-pipe radiator 2, IGCT 3, supporting plate 4, DC master row 5, support frame 6, cooling blower 7, absolutely
Edge dividing plate 8, current divider 9, alternating current bus bar fixed mount 10, current transformer 11, alternating current bus bar 12, soon melt 13, resistance 14, electric capacity
15th, capacitive insulation plate 17, resistance insulation plate 18, positive group IGCT V11-V16, soon contrary class IGCT V21-V26, molten FF1-FF6,
Resistance R1-R6, electric capacity C1-C6, current divider RS, U phase and W phase current mutual inductors T51 and T53.
Embodiment
The present invention includes cabinet 1, heat pipe power model, supporting plate 4, AC and DC busbar, support frame 6, cooling blower
7th, insulating barrier 8, current divider 9, alternating current bus bar fixed mount 10, current transformer 11, to melt 13, resistance 14, electric capacity 15, electric capacity soon exhausted
Listrium 17, resistance insulation plate 18.
The present invention is described in detail with reference to the accompanying drawings and examples.
A kind of high-power AC and DC drive rectifier cabinet based on heat pipe heat radiation technology, by the way that three-phase alternating current is passed through into crystalline substance
Thyristor device rectification export direct current, provide power supply for large-scale AC and DC motor, the heat pipe heat radiation technology it is high-power cross, straight
It is 1200V/4000A to spread dynamic rectifier cabinet fan-out capability, and it is electric to can be widely applied to the AC and DCs such as metallurgy, electric power, mine hoisting
Transmission field.
Shown in a kind of high-power AC and DC drive rectifier cabinet based on hot pipe technique, such as Fig. 1, Fig. 2 and Fig. 3, bulk shape
Size, the high wide * depths of * are 2200mm*800mm*1200mm；The device integral outer includes cabinet 1, and the both sides of cabinet are respectively mounted branch
Beam 6 is supportted, plays support and fixation；
It is divided into front and rear two parts inside cabinet：Forward part is rectification module workspace, upper back blower fan exhausting cooled region,
Middle and lower part is AC and DC busbar region afterwards；
Anterior rectification module working region includes：Share six sets by heat-pipe radiator and thyristor groups into heat pipe power mould
Block 2, often cover three pieces of busbars that radiator power module is stretched out and crimp two IGCTs 3, form antiparallel one group of bridge arm, this three
The negative and positive two-stage that block busbar is drawn as two IGCTs, six sets of composition three-phase six pulse wave reversible rectifier loops, three of top
The positive group bridge arm of heat pipe power model composition, in supporting plate 4, three heat pipe power models composition contrary class bridge arm of bottom,
In supporting plate 4, cooling blower 7 is in the back upper place of heat-pipe radiator power model 2, due to using heat-pipe radiator skill
Art, than, to IGCT good heat dissipation effect, temperature rise is low, makes rectification module stable and reliable in work with aluminium or copper radiator.
Upper back be cooling blower 7 from exhausting above, take away air channel heat.The lower section of cooling blower 7 is resistance-capacitance absorption installation
On isolation beam, its heat sent is taken away by blower fan above；Six resistance 14 of resistance-capacitance absorption are arranged in two insulation strips,
Six electric capacity 15 are installed on the insulation board of adjacency；Six resistance and six electric capacity, respectively and it is connected in six groups of inverse parallel crystalline substance locks
The both ends of pipe；The effect of resistance-capacitance absorption is to absorb IGCT in overvoltage spike caused by commutation, effectively prevents IGCT mistake
Press failure.
Middle part is fast molten 13, current transformer 11, current divider 9 and alternating current bus bar 12 and DC master row 8 behind the inside of cabinet.
Two current transformers 11 are set with the A phases and C phases of three-phase alternating current busbar 12, to detect AC electricity
Flow signal.
Alternating current bus bar 12 is fixed on alternating current bus bar fixed mount 10, is connected with the anode of six groups of heat pipe power models 2, is passed through
Positive and negative direct current is formed after thyristor rectifier and realizes electrical connection with fast melting zone domain.
Six fast molten, is divided into two groups up and down of spaced set, connects the positive and negative busbar of direct current respectively, direct current positive busbar connects
A current divider is connect, to detect DC side electric current.
Three groups of alternating current bus bars 12 form 6 bridge arms, each bridge arm DC side series connection after the rectification of superheater tube power model 2
One fast molten 13, totally six melt soon, for overcurrent protection, form positive and negative DC master row, positive busbar connects current divider to detect
DC side electric current.
Rear portion is three-phase alternating current busbar 12 and DC master row 8 under cabinet, and alternating current bus bar connects outside three-phase alternating-current supply, directly
Flow busbar connection load equipment.
As shown in figure 3, specifically connection is as follows：
The pulse wave reversible rectifier cabinet of three phase full bridge six is that AC and DC drive rectifier cabinet is made up of six bridge arms, with positive busbar L+
Connection is positive arm, and what is be connected with negative busbar L- is negative bridge arm, and each bridge arm is by anti-parallel thyristor, fast molten, resistance-capacitance absorption
Composition.
Specially：It is connected in parallel on after resistance R1 series capacitances C1 on anti-parallel thyristor V11, V24, then the molten FF1 soon that connects, group
Into bridge arm A+；It is connected in parallel on after resistance R2 series capacitances C2 on anti-parallel thyristor V12, V25, then the molten FF2 soon that connects, form bridge arm
C-；It is connected in parallel on after resistance R3 series capacitances C3 on anti-parallel thyristor V13, V26, then the molten FF3 soon that connects, composition bridge arm B+；Electricity
It is connected in parallel on after resistance R4 series capacitances C4 on anti-parallel thyristor V14, V21, then the molten FF4 soon that connects, composition bridge arm A-；Resistance R5 goes here and there
It is connected in parallel on after connection electric capacity C5 on anti-parallel thyristor V15, V22, then the molten FF5 soon that connects, composition bridge arm C+；Resistance R6 series capacitances
It is connected in parallel on after C6 on anti-parallel thyristor V16, V23, then the molten FF6 soon that connects, composition bridge arm B-；Six groups of bridge arms are formed altogether.
Specially：Six resistance R1-R6 connect respectively with six electric capacity C1-C6, resistance R1 series capacitance C1, resistance R2 strings
Join electric capacity C2, resistance R3 series capacitance C3, resistance R4 series capacitance C4, resistance R5 series capacitance C5, resistance R6 series capacitance C6,
Six groups of resistance-capacitance absorptions are formed altogether；Six groups of resistance-capacitance absorptions are connected in parallel on six anti-parallel thyristor both ends respectively.
Three-phase alternating current busbar U phases, V phases and W phases connect six groups of bridge arms respectively；Specially：U poles connect respectively positive arm A+ and
After negative bridge arm A-, positive arm A+ series shunt devices RS, direct current positive busbar L+ is connected；Negative bridge arm A- connection direct current negative busbars L-；
V poles connect positive arm B+ and negative bridge arm B- respectively, after positive arm B+ series shunt devices RS, connect direct current positive busbar L
+；Negative bridge arm B- connection direct current negative busbars L-；
W poles connect positive arm C+ and negative bridge arm C- respectively, after positive arm C+ series shunt devices RS, connect direct current positive busbar L
+；Negative bridge arm C- connection direct current negative busbars L-；
A kind of high-power AC and DC drive rectifier cabinet based on hot pipe technique, cooling blower 7 are arranged on the top of cabinet 1, wind
It is resistance-capacitance absorption below machine, comprising resistance 14 and capacitor 15, center section is the IGCT inverse parallel heat pipe power mould of core
Block, totally six sets；The current transformer 11 being followed by fast molten 13 and alternating current bus bar 12, and DC master row 5 (on current divider 9,
Alternating current bus bar 12 connects inlet wire three-phase alternating-current supply, and DC master row 5 connects load equipment.The rectifier cabinet is rationally distributed, due to adopting
Make rectifier cabinet fan-out capability strong with heat-pipe radiator technology, meet the needs of high-power AC and DC transmission well.
Claims (1)
1. a kind of high-power AC and DC drive rectifier cabinet based on heat pipe heat radiation technology, it is characterised in that including cabinet (1), heat
Tube power module, supporting plate (4), AC and DC busbar, support frame (6), cooling blower (7), insulating barrier (8), current divider (9),
Alternating current bus bar fixed mount (10), current transformer (11), soon molten (13), resistance (14), electric capacity (15), capacitive insulation plate (17),
Resistance insulation plate (18)；
The both sides of cabinet (1) are respectively mounted support beam (6), play support and fixation；
It is divided into front and rear two parts inside cabinet (1)：Forward part is rectification module workspace, upper back blower fan exhausting cooled region,
Middle and lower part is AC and DC busbar region afterwards；
Anterior rectification module working region includes：Six sets of heat pipe power models, three sets of upper strata are installed respectively with three sets of lower floor
In supporting plate (4), often cover heat pipe power model and be made up of heat-pipe radiator (2) and IGCT (3), often cover heat pipe power model
It is spaced from each other by insulating barrier (8), often covers three pieces of small busbars that heat-pipe radiator (2) stretches out, both sides is small DC master row, middle
It is small alternating current bus bar；Two IGCTs (3) are crimped, form antiparallel one group of bridge arm；Six groups of inverse parallel bridge arms form three-phase six
Pulse wave reversible rectifier loop, cooling blower 7 is in the back upper place of six sets of heat pipe power models；
Upper back be cooling blower (7) from exhausting above, take away air channel heat；It is resistance (14) and electricity below cooling blower (7)
Hold (15), its heat sent is taken away by cooling blower above (7)；Six resistance (14) are arranged on two resistance insulation bars (18)
On, six electric capacity (15) are installed on the capacitive insulation plate (17) of adjacency；Six resistance (14) and six electric capacity (15) difference are simultaneously
It is connected in the both ends of six groups of anti-parallel thyristors；The effect of resistance and electric capacity is to absorb IGCT (3) in mistake caused by commutation
Due to voltage spikes, effectively prevent IGCT over-voltage fault；
Middle part is molten (13), current transformer (11), current divider (9) and alternating current bus bar (12) and directly soon behind the inside of cabinet (1)
Flow busbar (5)；
Two current transformers (11) are set with the U phases and W phases of three-phase alternating current busbar (12), to detect AC electricity
Flow signal；
Alternating current bus bar (12) is fixed on alternating current bus bar fixed mount (10), after mutually series connection one melts (13) soon respectively, with six groups
The small alternating current bus bar connection of heat pipe power model, forms positive and negative DC master row (5) after IGCT (3) rectification, and positive direct-current is female
Row's one current divider (9) of connection, to detect DC side electric current；
Six molten (13) soon, is divided into two groups up and down of spaced set, connects alternating current bus bar (12) and heat pipe power model respectively
Small alternating current bus bar, this six melt for overcurrent protection soon；
Rear portion is three-phase alternating current busbar and DC master row under cabinet (1), and alternating current bus bar connects outside three-phase alternating-current supply, and direct current is female
Row's connection load equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711183415.7A CN107800306A (en) | 2017-11-23 | 2017-11-23 | A kind of high-power AC and DC drive rectifier cabinet based on heat pipe heat radiation technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711183415.7A CN107800306A (en) | 2017-11-23 | 2017-11-23 | A kind of high-power AC and DC drive rectifier cabinet based on heat pipe heat radiation technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107800306A true CN107800306A (en) | 2018-03-13 |
Family
ID=61536413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711183415.7A Pending CN107800306A (en) | 2017-11-23 | 2017-11-23 | A kind of high-power AC and DC drive rectifier cabinet based on heat pipe heat radiation technology |
Country Status (1)
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109546868A (en) * | 2018-11-19 | 2019-03-29 | 西安西电电力系统有限公司 | A kind of cabinet-type direct current transportation converter valve |
| CN109742923A (en) * | 2018-12-10 | 2019-05-10 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | A kind of high-capacity power cabinet |
| CN110912378A (en) * | 2019-12-03 | 2020-03-24 | 西安中车永电电气有限公司 | Nested formula heat pipe radiator of diesel locomotive based on electrical isolation suspension frame |
| CN111128927A (en) * | 2020-03-31 | 2020-05-08 | 深圳市永联科技股份有限公司 | High-power thyristor module heat abstractor |
| CN111384864A (en) * | 2018-12-27 | 2020-07-07 | 核工业西南物理研究院 | Heavy-current positive and negative bridge parallel converter |
| CN111416530A (en) * | 2020-05-20 | 2020-07-14 | 郭培囵 | Self-cooling rectifier cabinet of section evaporation condenser type |
| CN111526959A (en) * | 2017-09-22 | 2020-08-11 | 萨凯焊接设备公司 | Welding power supply with cooling device |
| CN111917312A (en) * | 2020-09-04 | 2020-11-10 | 成都英格利科技有限公司 | Air-cooled high-power rectifier power module |
| CN113179030A (en) * | 2020-12-18 | 2021-07-27 | 西安中车永电电气有限公司 | Silicon rectifying device for heavy-duty plateau rail car |
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| CN101001044A (en) * | 2007-01-04 | 2007-07-18 | 冶金自动化研究设计院 | High-tension integral gate change transistor three-level frequency-converter power cabinet |
| CN106329954A (en) * | 2016-10-25 | 2017-01-11 | 北京金自天正智能控制股份有限公司 | Excitation device of high-power generator based on heat pipe radiating technology |
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| CN101001044A (en) * | 2007-01-04 | 2007-07-18 | 冶金自动化研究设计院 | High-tension integral gate change transistor three-level frequency-converter power cabinet |
| CN106329954A (en) * | 2016-10-25 | 2017-01-11 | 北京金自天正智能控制股份有限公司 | Excitation device of high-power generator based on heat pipe radiating technology |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111526959A (en) * | 2017-09-22 | 2020-08-11 | 萨凯焊接设备公司 | Welding power supply with cooling device |
| CN109546868A (en) * | 2018-11-19 | 2019-03-29 | 西安西电电力系统有限公司 | A kind of cabinet-type direct current transportation converter valve |
| CN109742923A (en) * | 2018-12-10 | 2019-05-10 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | A kind of high-capacity power cabinet |
| CN109742923B (en) * | 2018-12-10 | 2021-03-19 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Large-capacity power cabinet |
| CN111384864A (en) * | 2018-12-27 | 2020-07-07 | 核工业西南物理研究院 | Heavy-current positive and negative bridge parallel converter |
| CN111384864B (en) * | 2018-12-27 | 2024-06-11 | 核工业西南物理研究院 | Large-current positive and negative bridge parallel converter |
| CN110912378A (en) * | 2019-12-03 | 2020-03-24 | 西安中车永电电气有限公司 | Nested formula heat pipe radiator of diesel locomotive based on electrical isolation suspension frame |
| CN110912378B (en) * | 2019-12-03 | 2022-10-04 | 西安中车永电电气有限公司 | Nested formula heat pipe radiator of diesel locomotive based on electrical isolation suspension frame |
| CN111128927A (en) * | 2020-03-31 | 2020-05-08 | 深圳市永联科技股份有限公司 | High-power thyristor module heat abstractor |
| CN111416530A (en) * | 2020-05-20 | 2020-07-14 | 郭培囵 | Self-cooling rectifier cabinet of section evaporation condenser type |
| CN111917312A (en) * | 2020-09-04 | 2020-11-10 | 成都英格利科技有限公司 | Air-cooled high-power rectifier power module |
| CN113179030A (en) * | 2020-12-18 | 2021-07-27 | 西安中车永电电气有限公司 | Silicon rectifying device for heavy-duty plateau rail car |
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Application publication date: 20180313 |
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