CN101197530A - Suspending chopper box of magnetic suspension train - Google Patents

Suspending chopper box of magnetic suspension train Download PDF

Info

Publication number
CN101197530A
CN101197530A CNA2007100507694A CN200710050769A CN101197530A CN 101197530 A CN101197530 A CN 101197530A CN A2007100507694 A CNA2007100507694 A CN A2007100507694A CN 200710050769 A CN200710050769 A CN 200710050769A CN 101197530 A CN101197530 A CN 101197530A
Authority
CN
China
Prior art keywords
casing
magnetic suspension
fixed
power
power device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CNA2007100507694A
Other languages
Chinese (zh)
Other versions
CN100544171C (en
Inventor
张昆仑
刘放
董金文
刘国清
郭育华
李熹
靖永志
王滢
王莉
郭小舟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Southwest Jiaotong University
Original Assignee
Southwest Jiaotong University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Southwest Jiaotong University filed Critical Southwest Jiaotong University
Priority to CNB2007100507694A priority Critical patent/CN100544171C/en
Publication of CN101197530A publication Critical patent/CN101197530A/en
Application granted granted Critical
Publication of CN100544171C publication Critical patent/CN100544171C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The invention discloses a suspension chopper cabinet of maglev train. In the cabinet, a dissipater (3) is fixed on the inner left side of the cabinet (1), the base of a power device (4) is arranged on the dissipater (3), the power end of the power device (4) is fixed on the left side of the vertical layer-cake power bus bar (5). The rest devices in the cabinet are arranged in the right space of the layer-cake power bus bar (5), and the inner control cabinet (6) is arranged on the right side of the front part of the bottom board (la). The chopper cabinet has the advantages of weaker proximity effects among the devices in the cabinet, fewer wires, less space, lower installation and maintaining costs, better dissipating performance of power device and less mutual interference among devices, which can improve the reliability of the suspension control system of maglev trains efficiently.

Description

Suspending chopper box of magnetic suspension train
Technical field
The present invention relates to a kind of magnetic suspension train chopper box.
Background technology
The magnetic suspension train of having succeeded in developing in the world at present has three types: the MLX series (at a high speed) of the TR series (at a high speed) of Germany, Japan, the HSST series (low speed) of Japan, they all have very big difference on principle, structure and performance.The difference of magnetic suspension train and wheel-rail train essence is exactly that it has suspension control system, can deorbit.The current signal that flows through in the acceleration of sensor measurement levitation gap, electromagnet motion and the electromagnet inputs to suspension controller, suspension processor in the suspension controller calculates suitable control command according to the sensor signal of input, and suspending chopper is the actuator of controller, the method that it is added in the effective voltage at levitating electromagnet two ends according to input control order by change changes the electric current of levitating electromagnet, thereby regulate the attraction of levitating electromagnet, make the train stable suspersion the steel guide rail.This shows that suspending chopper is an important step of magnetic suspending train control system, it directly influences the suspension effect of train.
Suspending chopper is exactly a kind of DC/DC converter in essence, and its effect is exactly to want and can export suitable effective voltage according to the control command of input.Precision and stability that the precision of suspending chopper output and stability directly influence suspension.The load of suspending chopper is a levitating electromagnet simultaneously, it is a very big inductance, and inductance value can reach H level level, when the suspending power quick adjustment, flowing through the electromotive force that the current changing rate of load inducts out can be very high, and suspending chopper must can bear this back electromotive force.Suspending chopper is operated in the environment of this high-voltage large current, is the easiest link that breaks down in the suspension control system, and the reliability that the reliability of suspending chopper improves suspension control system has just improved.For realizing precision, stability and the reliability of suspending chopper, the physical combination of its each electric component must be according to various rule choose reasonable, arrangement.Suspending chopper box is the physics realization of suspending chopper, mounting arrangements and connect various units, the device of suspending chopper in suspending chopper box.The radiating effect of conventional magnetic levitation train suspending chopper box is bad, and forceful electric power device and light current device mix placement, disturbs easily mutually, and the line between device is many, and difficulty, cost height are installed, tieed up to the failure rate height.
Summary of the invention
Purpose of the present invention just provides a kind of suspending chopper box of magnetic suspension train, and the approach effect in this chopper box between components and parts is little; Its line is few, and it is little to take up room, install, maintenance cost is low, and the power device good heat dissipation effect, and the phase mutual interference between components and parts is little, can effectively improve the reliability of magnetic suspending train control system.
The present invention solves its technical problem, the technical scheme that is adopted is: a kind of suspending chopper box of magnetic suspension train, comprise casing, fan, radiator, power device, its design feature is: fixed installation radiator in left side in the casing, the base of power device is installed on the radiator, and the power end of power device is fixed on the left side of upright stacked power busbar; And all the other devices in the casing are distributed in the rightward space of stacked power busbar, and the internal control case is installed in the rightmost side of base plate front portion.
Compared with prior art, the invention has the beneficial effects as follows: this suspending chopper box interconnects fixing power device and the heat spreader module of forming with power device, radiator and laminated bus bar, be installed on the suspending chopper box inside left, other device is then installed concentratedly in the suspending chopper box inner right side.With power device and heat spreader moduleization be installed in a side, both conveniently install, safeguard, can reduce the electromagnetic interference of high power device effectively again to other device, reduce approach effect; Adopt stacked power busbar to connect power device, reduce the connecting line of power device, reduce breakdown of conducting wires, improve system reliability, reduce maintenance cost and cost; And because power device is fixed on the left side of upright stacked power busbar, all the other components and parts all are distributed in the space on stacked power busbar right side, and laminated bus bar can shield the strong electromagnetic of power device effectively, has further reduced approach effect; The internal control case is installed in the right side of base plate, away from power device, helps protecting in the internal control case light current device interference-free more.
Be installed with forceful electric power connector and light current connector on the front panel of the stacked power busbar rightward space of above-mentioned casing, the forceful electric power connector is positioned at the left side of light current connector.
Forceful electric power connector and light current connector arranged apart can reduce the interference between forceful electric power signal and weak electric signal, further reduces approach effect.
Be installed with the absorption electric capacity of power device and the drive plate of power device on the above-mentioned stacked power busbar right flank; The casing front portion of forceful electric power connector inboard is equipped with current sensor, the rear portion is equipped with support electric capacity; The power supply of internal control case is installed on the right side of back plate, and afterwards plate is that aluminum is made, and its rear surface has the groove of broach shape; On the base plate on power supply next door contactor is installed; The left side installation insurance pipe of internal control case.
The absorption electric capacity of the power device on the stacked power busbar right side and the drive plate of power device constitute two relatively independent modules, internal structure by the power busbar, can be closely, no lead ground directly links to each other electric capacity and power device drive plate with power device, connect reliably, also reduced electromagnetic interference simultaneously other device.Power supply is installed in behind the aluminum of groove that appearance has the broach shape on the plate, and the radiator of plate double as power supply behind the aluminum forms power module, and its designs simplification is convenient to install and regular maintenance.
The concrete mounting structure of above-mentioned support electric capacity, contactor, current sensor is: the base plate of L type connecting plate is fixed on the box bottom, fixed support electric capacity or contactor or current sensor on the riser of L type connecting plate.
Form electric capacity, contactor, three relatively independent modules of current sensor like this, after earlier module being installed, the base plate with L type connecting plate is fixed on the box bottom again, and three modules promptly are assemblied on the cabinet.So both convenient the installation, the inner space that can effectively utilize and arrange casing can make things convenient for the heat radiation of each device again.
Above-mentioned casing is made of metal decking fixing on cuboid metallic framework and this metallic framework, and top board wherein is fixed on the metallic framework threadably; And the junction of metallic framework and top board is provided with sealing gasket; The metallic framework and arranged on left and right sides upper fixed of casing has the hanger of strip.
The mode that adopts metallic framework to fixedly connected with metal decking, and the junction of dismountable top board and metallic framework is provided with sealing gasket.The assembling and the maintenance of so both convenient control cabinet can guarantee firm and waterproof, the protection against the tide and dustproof of casing again, are suitable for the quick running environment of magnetically supported vehicle.The hanger of casing both sides makes things convenient for the installation of casing on the magnetic suspension car body.
The position of corresponding radiator of above-mentioned casing front panel and power device is equipped with two air draught type fans, surrounds an inner small and outside big taper air channel by sheet metal between fan rear portion and the radiator.
By the taper air channel of sealing, can be effectively during the air draught type fan running radiator and power device in the casing air-breathing, and blow to the casing outside, thereby form effective air draught type heat radiation.The heat that power device is produced is taken away from box house reliably, and than having bleed type radiating mode in the case now, it has been avoided heat band other parts in casing, and radiating effect is better.
Specifically constituting of above-mentioned radiator: radiator is made up of the horizontal fin of multilayer that is installed in the setting matrix on the base plate and is fixed on matrix left side.
The radiator of this structure, its left side is a substrate for casing Left-Hand Panel, right side, fin is laterally (level) arrangement again, so its heat radiation air can only flow front and back; Cooperate the air draught type fan on the front panel again, the heat that can be effectively power device be produced is to the outside diffusion of casing, and other spatial diffusion that can not be in casing.Can reduce the temperature in power device place and the whole box body reliably.
Screw thread is fixed with the binding column on the base plate of above-mentioned casing, and the top of binding column is provided with the binding terminal of band binding strap.
Stube cable between each components and parts is convenient to detection, maintenance, cleaning like this by the binding strap binding bunchy and the location at binding column top.
Above-mentioned Suspension Control casing both sides external is fixed with the binding plate of outwards choosing respectively, between binding plate and the casing junction insulation cushion is arranged, and two row's colligation holes are arranged on the binding plate.
Be convenient to external cable that the magnetic suspension casing is connected with magnetically supported vehicle like this, behind binding strap colligation bunchy, the binding strap two ends be fixed on the colligation hole, can well the external cable bunchy be fixed on the binding plate.Both attractive in appearance, safety are convenient to again detect and are safeguarded.
Above-mentioned protective tube is installed in the left side of internal control case by the protective tube mounting panel of L type, and the vertical edge of protective tube mounting panel is installed in the sidewall of internal control case, and horizontal edge is installed on the base plate of casing by column is installed.
So both made things convenient for and installed, safeguard, and also can effectively utilize the inner space of casing.
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail.
Description of drawings
Fig. 1 is the plan structure schematic diagram that the embodiment of the invention is removed top board and hanger.
Fig. 2 is the main TV structure schematic diagram of the embodiment of the invention.
Fig. 3 is the main TV structure schematic diagram that the embodiment of the invention is removed front panel.
Fig. 4 is the power supply of the embodiment of the invention and the side-looking structural representation of back plate.
Fig. 5 is that the contactor of the embodiment of the invention is installed on main TV structure schematic diagram on the base plate by L type mounting panel.
Fig. 6 is that the embodiment of the invention supports electric capacity and is installed on right TV structure schematic diagram on the base plate by L type mounting panel.
To be the invention process ratio sensor be installed on right TV structure schematic diagram on the base plate by L type mounting panel to Fig. 7.
Fig. 8 is that embodiment of the invention binding column is installed on the side-looking structure for amplifying schematic diagram on the base plate.
Fig. 9 is the side-looking structural representation of the binding plate after the embodiment of the invention is taken off from casing.
Figure 10 is the end face structure schematic diagram behind the binding plate banded cable of the embodiment of the invention.
Fig. 4~10 are the structural representation of part parts, and its view direction all view direction with whole device is identical, and these figure remove other all parts, only stay the structural representation of the identical view direction behind the corresponding parts in other words.Also be Fig. 1~3 with the name of the view direction of Fig. 4~10 be consistent.
Embodiment
Embodiment
Fig. 1,3 illustrates, and a kind of embodiment of the present invention is: a kind of suspending chopper box of magnetic suspension train comprises casing 1, fan 2, radiator 3, power device 4.Fixed installation radiator 3 in left side in the casing 1, the base of power device 4 is installed on the radiator 3, and the power end of power device 4 is fixed on the left side of upright stacked power busbar 5; And all the other devices in the casing 1 are distributed in the rightward space of stacked power busbar 5, and internal control case 6 is installed in the rightmost side of base plate 1a front portion.
Fig. 2 illustrates, and is installed with forceful electric power connector 8 and light current connector 9 on the front panel of stacked power busbar 5 rightward space of this routine casing 1, and forceful electric power connector 8 is positioned at the left side of light current connector 9.
Fig. 1,3 illustrates, and is installed with the absorption electric capacity 10 of power device 4 and the drive plate 11 of power device 4 on stacked power busbar 5 right flanks of this example; Casing 1 front portion of forceful electric power connector 8 inboards is equipped with current sensor 12, the rear portion is equipped with and supports electric capacity 13.Fig. 1,3,4 illustrates, and the power supply 14 of internal control case 6 is installed on the right side of back plate 1b, and afterwards plate 1b is that aluminum is made, and its rear surface has the groove of broach shape; On the base plate 1a on power supply 14 next doors contactor 15 is installed; The left side installation insurance pipe 16 of internal control case 6.
Fig. 5,6,7 illustrates, the concrete mounting structure of the support electric capacity 13 of this example, contactor 15, current sensor 12 is: the base plate of L type connecting plate 22 is fixed on the box bottom 1a, fixed support electric capacity 13 or contactor 15 or current sensor 12 on the riser of L type connecting plate 22.
Fig. 2,3 illustrates, and this routine casing 1 is gone up fixing metal decking by cuboid metal bone 1d frame and this metallic framework 1d and constituted, and top board 1c wherein is fixed on the metallic framework 1d threadably; And the junction of metallic framework 1d and top board 1c is provided with sealing gasket; The metallic framework 1d and arranged on left and right sides upper fixed of casing 1 has the hanger 17 of strip.
Fig. 1~3 illustrate, and the position of corresponding radiator 3 of this routine casing 1 front panel and power device 4 is equipped with two air draught type fans 2, surrounds an inner small and outside big taper air channel by sheet metal 18 between fan 2 rear portions and the radiator 3.
Fig. 1,3 illustrates, specifically the constituting of this routine radiator 3: radiator 3 is made up of the horizontal fin 3b of multilayer that is installed in the setting matrix 3a on the base plate 1a and is fixed on matrix 3a left side.
Fig. 1,8 illustrates, and the base plate 1a of this routine casing 1 goes up screw thread and is fixed with binding column 19, and the top of binding column 19 is provided with the binding terminal 19a of band binding strap.
Fig. 1~3,9,10 illustrate, and this routine Suspension Control casing 1 both sides external is fixed with the binding plate of outwards choosing 20 respectively, between binding plate 20 and casing 1 junction insulation cushion is arranged, and two row's colligation hole 20a are arranged on the binding plate.
Fig. 3 illustrates, and this routine protective tube 16 is installed in the left side of internal control case by the protective tube mounting panel 16a of L type, and the vertical edge of protective tube mounting panel 16a is installed in the sidewall of internal control case 6, and horizontal edge is installed on the base plate 1a of casing 1 by column 25 is installed.
Suspending chopper box of the present invention adopts modular manufacturing and mounting structure, be about to absorption electric capacity that whole cabinet is divided into power device and radiator, power device, power device drive plate, support a plurality of relatively independent modules such as electric capacity, contactor, current sensor, internal control case, power supply; After the assembling of each module, refill and fit on the cabinet, can assemble and dismantle maintenance in order, easily.Both reduced assembling, maintenance time, and reduced material cost, the reduction system makes and maintenance cost; Simultaneously also maximally utilise the box house space, avoid arranging unreasonable or lead is too much, the increase of the box shape size that causes such as long because of electric component.
Left and right position used in the present invention notion is relative, is in order to describe the convenience of record; Obviously, concrete in force position, the left and right sides can exchange fully.

Claims (10)

1. suspending chopper box of magnetic suspension train, comprise casing (1), fan (2), radiator (3), power device (4), it is characterized in that: fixed installation radiator (3) in left side in the described casing (1), the base of power device (4) is installed on the radiator (3), and the power end of power device (4) is fixed on the left side of upright stacked power busbar (5); And all the other devices in the casing (1) are distributed in the rightward space of stacked power busbar (5), and internal control case (6) is installed in the anterior rightmost side of base plate (1a).
2. suspending chopper box of magnetic suspension train as claimed in claim 1, it is characterized in that: be installed with forceful electric power connector (8) and light current connector (9) on the front panel of stacked power busbar (5) rightward space of described casing (1), forceful electric power connector (8) is positioned at the left side of light current connector (9).
3. suspending chopper box of magnetic suspension train as claimed in claim 2 is characterized in that: be installed with the absorption electric capacity (10) of power device (4) and the drive plate (11) of power device (4) on described stacked power busbar (5) right flank; Inboard casing (1) front portion of forceful electric power connector (8) is equipped with current sensor (12), the rear portion is equipped with and supports electric capacity (13); The power supply (14) of internal control case (6) is installed on the right side of back plate (1b), and afterwards plate (1b) is made for aluminum, and its rear surface has the groove of broach shape; On the base plate (1a) on power supply (14) next door contactor (15) is installed; The left side installation insurance pipe (16) of internal control case (6).
4. suspending chopper box of magnetic suspension train as claimed in claim 3, it is characterized in that: the concrete mounting structure of described support electric capacity (13), contactor (15), current sensor (12) is: the base plate of L type connecting plate (22) is fixed on the box bottom (1a), fixed support electric capacity (13) or contactor (15) or current sensor (12) on the riser of L type connecting plate (22).
5. suspending chopper box of magnetic suspension train as claimed in claim 1, it is characterized in that: described casing (1) is gone up fixing metal decking by cuboid metallic framework (1d) and this metallic framework (1d) and is constituted, and top board wherein (1c) is fixed on the metallic framework (1d) threadably; And metallic framework (1d) is provided with sealing gasket with the junction of top board (1c); Metallic framework (1d) the and arranged on left and right sides upper fixed of casing (1) has the hanger (17) of strip.
6. suspending chopper box of magnetic suspension train as claimed in claim 1, it is characterized in that: the position of corresponding radiator (3) of described casing (1) front panel and power device (4), two air draught type fans (2) are installed, surround an inner small and outside big taper air channel by sheet metal (18) between fan (2) rear portion and the radiator (3).
7. suspending chopper box of magnetic suspension train as claimed in claim 6 is characterized in that: specifically the constituting of described radiator (3): radiator (3) is made up of the horizontal fin (3b) of multilayer that is installed in the setting matrix (3a) on the base plate (1a) and is fixed on matrix (3a) left side.
8. suspending chopper box of magnetic suspension train as claimed in claim 1 is characterized in that: the base plate (1a) of described casing (1) is gone up screw thread and is fixed with binding column (19), and the top of binding column (19) is provided with the binding terminal (19a) of band binding strap.
9. suspending chopper box of magnetic suspension train as claimed in claim 1, it is characterized in that: described Suspension Control casing (1) both sides external is fixed with the binding plate of outwards choosing (20) respectively, between binding plate (20) and casing (1) junction insulation cushion is arranged, two row colligation holes (20a) are arranged on the binding plate.
10. suspending chopper box of magnetic suspension train as claimed in claim 3, it is characterized in that: described protective tube (16) is installed in the left side of internal control case by the protective tube mounting panel (16a) of L type, the vertical edge of protective tube mounting panel (16a) is installed in the sidewall of internal control case (6), and horizontal edge is installed on the base plate (1a) of casing (1) by column (25) is installed.
CNB2007100507694A 2007-12-13 2007-12-13 Suspending chopper box of magnetic suspension train Expired - Fee Related CN100544171C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB2007100507694A CN100544171C (en) 2007-12-13 2007-12-13 Suspending chopper box of magnetic suspension train

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB2007100507694A CN100544171C (en) 2007-12-13 2007-12-13 Suspending chopper box of magnetic suspension train

Publications (2)

Publication Number Publication Date
CN101197530A true CN101197530A (en) 2008-06-11
CN100544171C CN100544171C (en) 2009-09-23

Family

ID=39547734

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2007100507694A Expired - Fee Related CN100544171C (en) 2007-12-13 2007-12-13 Suspending chopper box of magnetic suspension train

Country Status (1)

Country Link
CN (1) CN100544171C (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103036399A (en) * 2012-12-06 2013-04-10 北京金自天正智能控制股份有限公司 Medium-low speed maglev train traction convertor
CN103129409A (en) * 2013-03-04 2013-06-05 南车株洲电力机车有限公司 Aerotrain control apparatus
CN103401437A (en) * 2013-08-12 2013-11-20 南车株洲电力机车研究所有限公司 IGBT converter chopping module
CN103533810A (en) * 2013-09-27 2014-01-22 山东和顺电气有限公司 Radiating device of suspension controller of aerotrain with medium-low speed and working method thereof
CN103875169A (en) * 2011-10-07 2014-06-18 日产自动车株式会社 Power converter
CN104967331A (en) * 2015-06-18 2015-10-07 南京磁谷科技有限公司 Frequency converter assembly
CN104994696A (en) * 2015-06-29 2015-10-21 张家港迪威高压管件有限公司 Heat-radiation low voltage electric cabinet
CN109038282B (en) * 2018-08-21 2021-01-29 北方工业大学 Make things convenient for on-spot electrical control cabinet structure of maintaining

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103875169B (en) * 2011-10-07 2017-03-01 日产自动车株式会社 Power-converting device
CN103875169A (en) * 2011-10-07 2014-06-18 日产自动车株式会社 Power converter
CN103036399B (en) * 2012-12-06 2014-10-22 北京金自天正智能控制股份有限公司 Medium-low speed maglev train traction convertor
CN103036399A (en) * 2012-12-06 2013-04-10 北京金自天正智能控制股份有限公司 Medium-low speed maglev train traction convertor
CN103129409B (en) * 2013-03-04 2015-10-21 南车株洲电力机车有限公司 A kind of control setup of aerotrain
CN103129409A (en) * 2013-03-04 2013-06-05 南车株洲电力机车有限公司 Aerotrain control apparatus
CN103401437A (en) * 2013-08-12 2013-11-20 南车株洲电力机车研究所有限公司 IGBT converter chopping module
CN103533810B (en) * 2013-09-27 2017-01-25 山东和顺电气有限公司 Radiating device of suspension controller of aerotrain with medium-low speed and working method thereof
CN103533810A (en) * 2013-09-27 2014-01-22 山东和顺电气有限公司 Radiating device of suspension controller of aerotrain with medium-low speed and working method thereof
CN104967331A (en) * 2015-06-18 2015-10-07 南京磁谷科技有限公司 Frequency converter assembly
CN104967331B (en) * 2015-06-18 2017-07-14 南京磁谷科技有限公司 Frequency converter assembly
CN104994696A (en) * 2015-06-29 2015-10-21 张家港迪威高压管件有限公司 Heat-radiation low voltage electric cabinet
CN109038282B (en) * 2018-08-21 2021-01-29 北方工业大学 Make things convenient for on-spot electrical control cabinet structure of maintaining

Also Published As

Publication number Publication date
CN100544171C (en) 2009-09-23

Similar Documents

Publication Publication Date Title
CN100544171C (en) Suspending chopper box of magnetic suspension train
CN201126926Y (en) Suspending control box of magnetic suspension train
CN102801285B (en) High-voltage IGBT converter module
CN102005989B (en) Suspension controller of magnetic suspension train
CN103036399B (en) Medium-low speed maglev train traction convertor
CN204030990U (en) Lamination spraying row mixes the new power converter unit using with composite bus bar
CN201557042U (en) Phase power module device and current transformer
CN205911958U (en) Large capacity power module
CN105048799A (en) Novel brake chopper power unit
CN108233330A (en) A kind of dc circuit breaker switch module and dc circuit breaker
CN104167933A (en) Novel power conversion unit allowing laminated coating row and composite busbar to be used in hybrid mode
CN108075620B (en) High-power unit structure formed by IGCT thyristors
CN100362733C (en) Mechanical mounting structure for controllable series compensation thyristor valve
CN106329948A (en) Mine-used electrical wheel autonomous dump truck traction converter
CN104135169B (en) The air-cooled converter system of subway
CN112787485A (en) High-frequency DC-DC converter module and auxiliary converter system
CN103354231B (en) A kind of IGBT power cell and the submodule for flexible DC power transmission
CN106208722B (en) A kind of mine electric wheel dump current transformer
CN203617886U (en) An IGBT power unit guiding locking device
CN201830184U (en) Suspended controller
CN204906180U (en) Novel braking copped wave power unit
CN204334294U (en) Frequency converter
CN209844278U (en) Be applicable to emergent power-generating cars access AC low-voltage power switch board
CN205544891U (en) Wind energy converter and fixing device of power module thereof
CN205029549U (en) Wind generating set and conversion system thereof

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20090923

Termination date: 20121213