CN207475418U - (PCC) power and Modularized multi-level converter sub-module - Google Patents
(PCC) power and Modularized multi-level converter sub-module Download PDFInfo
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- CN207475418U CN207475418U CN201721699940.XU CN201721699940U CN207475418U CN 207475418 U CN207475418 U CN 207475418U CN 201721699940 U CN201721699940 U CN 201721699940U CN 207475418 U CN207475418 U CN 207475418U
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- 230000005611 electricity Effects 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
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Abstract
The utility model is related to a kind of (PCC) power and Modularized multi-level converter sub-module, (PCC) power includes：Device cell; including radiator, IGBT device and the laminated bus bar being arranged side by side successively along the first direction; radiator includes the installation surface towards laminated bus bar; IGBT device is set to installation surface and is electrically connected with laminated bus bar, and laminated bus bar includes the outlet electric interfaces with different directions, protection electric interfaces and capacitance electric interfaces；By-pass switch is distributed with device cell and in succession in a second direction by the way that electric interfaces is protected to connect to form half packet accommodation space with device cell, and second direction intersects with first direction；Thyristor is set to half packet accommodation space and is electrically connected with by-pass switch.The (PCC) power and Modularized multi-level converter sub-module that the utility model embodiment provides, can effectively reduce the stray inductance of laminated bus bar, avoid the problem that current unevenness stream, ensure the reliability service of Modularized multi-level converter sub-module.
Description
Technical field
The utility model is related to flexible DC transmission technology fields, how electric more particularly to a kind of (PCC) power and modularization
Flat transverter submodule.
Background technology
Modularization multi-level converter is a kind of novel voltage conversion circuit, it is by by the cascade side of multiple submodule
Formula can be superimposed and export very high voltage, and also have the characteristics that output harmonic wave is few, the degree of modularity is high, thus in electric power
It is with a wide range of applications in system.
The submodule of modularization multi-level converter generally includes capacitance component and (PCC) power, power of the prior art
It is female to will appear stacking because the arrangement of its internal component is unreasonable for component when leading to be applied to Modularized multi-level converter sub-module
The stray inductance of row is larger and the problem of current unevenness stream, seriously affected the reliable of Modularized multi-level converter sub-module
Operation.
Therefore, there is an urgent need for a kind of new (PCC) powers and Modularized multi-level converter sub-module.
Utility model content
The utility model embodiment provides a kind of (PCC) power and Modularized multi-level converter sub-module, (PCC) power exist
When being applied in Modularized multi-level converter sub-module, it can effectively reduce the stray inductance of laminated bus bar, avoid electric current
The problem of unevenness stream, ensures the reliability service of Modularized multi-level converter sub-module.
On the one hand, a kind of (PCC) power is proposed according to the utility model embodiment, for modularization multi-level converter
Submodule, including：Device cell including radiator, IGBT device and the laminated bus bar being arranged side by side successively along the first direction, dissipates
Hot device includes the installation surface towards laminated bus bar, and IGBT device is set to installation surface and is electrically connected with laminated bus bar, is laminated
Busbar includes the outlet electric interfaces with different directions, protection electric interfaces and capacitance electric interfaces；By-pass switch, along second
Direction is distributed with device cell and in succession by the way that electric interfaces is protected to connect to form half packet accommodation space with device cell, and second
Intersect with first direction in direction；And thyristor, it is set to half packet accommodation space and is electrically connected with by-pass switch.
According to the one side of the utility model embodiment, outlet electric interfaces and capacitance electric interfaces are oppositely arranged and divide
Do not extend in a first direction, protection electric interfaces extend towards by-pass switch and in second direction.
According to the one side of the utility model embodiment, radiator is cooled plate, be provided in cooled plate and its own
The waterpipe jointing of connection and with the corresponding catch basin of waterpipe jointing, catch basin is connected with the diversion pipe for being in communication with the outside.
According to the one side of the utility model embodiment, stent is further included, device cell, by-pass switch and thyristor are equal
Stent is placed in, and radiator and by-pass switch are connect respectively with stent.
According to the one side of the utility model embodiment, further comprise opposite with radiator in a first direction and set
In the controller on stent, controller includes separately positioned voltage collection circuit and the control being operated under low-voltage state electricity
Road, voltage collection circuit are electrically connected with laminated bus bar and by-pass switch, control circuit and IGBT device, by-pass switch and thyristor
Electrical connection.
According to the one side of the utility model embodiment, controller is box like structure, and stent has sliding slot, and controller can
Releasably it is plugged in sliding slot.
According to the one side of the utility model embodiment, further comprise Switching Power Supply, Switching Power Supply is set to stent
And it is electrically connected with the controller.
According to the one side of the utility model embodiment, further comprise discharge resistance, discharge resistance is set to installation
Surface is simultaneously electrically connected with laminated bus bar.
According to the (PCC) power that the utility model embodiment provides, including device cell, by-pass switch and thyristor, device
Part unit includes the radiator, IGBT device and the laminated bus bar that are arranged side by side successively along the first direction, and radiator is included towards layer
The installation surface of folded busbar, IGBT device are set to installation surface and are electrically connected with laminated bus bar, and laminated bus bar includes having
Line electric interfaces, protection electric interfaces and capacitance electric interfaces.By-pass switch be distributed in succession with device cell in a second direction and
By the way that electric interfaces is protected to connect to form half packet accommodation space with device cell, second direction intersects with first direction.Thyristor
It is set to half packet accommodation space and is electrically connected with by-pass switch.(PCC) power is being applied to Modularized multi-level converter sub-module
When, it can be connect, connect by module outgoing line interface with the external world, due to laminated bus bar with capacitance component by capacitance electric interfaces
Three interfaces there is different directions, and thyristor and laminated bus bar are separately positioned so that (PCC) power at work, can
The effective stray inductance for reducing laminated bus bar avoids the problem that current unevenness stream, ensures modularization multi-level converter submodule
The reliability service of block.
On the other hand, a kind of Modularized multi-level converter sub-module is proposed according to the utility model embodiment, including：
Pedestal；Capacitance component is connected to pedestal；Above-mentioned (PCC) power, (PCC) power close on capacitance component and set and be connected to pedestal,
Capacitance electric interfaces are connect with capacitance component；And connector is reinforced, it is connected to capacitance component and (PCC) power.
According to the other side of the utility model embodiment, reinforce connector and include being set to capacitance component and power packages
Connecting lugs in part one and the fixed plate being set in capacitance component and (PCC) power another one, connecting lugs and fixed plate
It is connected by fastener.
Description of the drawings
The feature of the utility model exemplary embodiment, advantage and technique effect described below with reference to the accompanying drawings.
Fig. 1 is the structure diagram of the (PCC) power of the utility model one embodiment；
Fig. 2 is the structure diagram of the (PCC) power of the utility model another embodiment；
Fig. 3 is the structure diagram of radiator in Fig. 1；
Fig. 4 is the overall structure diagram of laminated bus bar in Fig. 1；
Fig. 5 is the decomposition diagram of laminated bus bar in Fig. 4；
Fig. 6 is that the (PCC) power of the utility model embodiment is applied to the structure of Modularized multi-level converter sub-module and shows
It is intended to；
Fig. 7 is the circuit diagram of Fig. 6；
Fig. 8 is the decomposition diagram of the Modularized multi-level converter sub-module of the utility model embodiment；
Fig. 9 is the Modularized multi-level converter sub-module partial structural diagram of the utility model embodiment.
Wherein：
X- first directions；Y- second directions；
1- (PCC) powers；
10- radiators；11- installation surfaces；12- waterpipe jointings；13- catch basins；14- diversion pipes；
20-IGBT devices；21- driving plates；
30- laminated bus bars；
31- outlet electric interfaces；311- busbar negative output electric interfaces；312- exchange output electric interfaces；
32- protects electric interfaces；321- busbar negative output bypass protection electric interfaces；322- exchange output bypass protection electricity
Gas interface；
33- capacitance electric interfaces；331- capacitance positive electrical interfaces；332- capacitance negative electrical interfaces；
34- negative plates；35- positive plates；36- exchanges output board；
40- stents；41- cases；411- insulation boards；
50- by-pass switches；Half packet accommodation spaces of 60-；70- thyristors；80- controllers；90- Switching Power Supplies；100- discharges
Resistance；
2- capacitance components；
3- reinforces connector；301- connecting lugs；302- fixed plates；
4- pedestals；401- connecting holes.
In the accompanying drawings, identical component uses identical reference numeral.Attached drawing is not drawn according to practical ratio.
Specific embodiment
The feature and exemplary embodiment of the various aspects of the utility model is described more fully below.It is retouched in detail in following
In stating, it is proposed that many details, in order to provide the comprehensive understanding to the utility model.But for people in the art
It will be apparent that the utility model can be implemented in the case of some details in not needing to these details for member.
Below the description of embodiment is used for the purpose of providing to the more preferable of the utility model by showing the example of the utility model
Understanding.In the the accompanying drawings and the following description, at least part of known features and technology are not shown, to avoid to this reality
Unnecessary obscure is caused with novel；Also, for clarity, it may be exaggerated the size of part-structure.In addition, it is hereinafter retouched
Feature, the structure or characteristic stated can be in any suitable manner incorporated in one or more embodiments.
The noun of locality of middle appearance described below is the direction shown in figure, is not the (PCC) power to the utility model
And the concrete structure of Modularized multi-level converter sub-module is defined.It also needs to illustrate in the description of the present invention,
Be unless specifically defined or limited otherwise, term " installation ", " connection " should be interpreted broadly, for example, it may be fixed connect
It connects or is detachably connected or is integrally connected；It can be directly connected, can also be indirectly connected.For this field
For those of ordinary skill, visual concrete condition understands concrete meaning of the above-mentioned term in the utility model.
The utility model in order to better understand, with reference to Fig. 1 to Fig. 9 according to the power packages of the utility model embodiment
Part and Modularized multi-level converter sub-module are described in detail.
Referring to Fig. 1, Fig. 1 illustrates the structure diagram of the (PCC) power 1 of the utility model one embodiment, according to
The utility model embodiment proposes a kind of (PCC) power 1, for Modularized multi-level converter sub-module, including device list
Member, by-pass switch 50 and thyristor 70.Device cell includes the radiator 10 that X is arranged side by side successively along the first direction, IGBT devices
Part 20 and laminated bus bar 30, radiator 10 include the installation surface 11 towards laminated bus bar 30, and IGBT device 20 is set to installation
Surface 11 is simultaneously electrically connected with laminated bus bar 30, and laminated bus bar 30 includes the outlet electric interfaces 31 with different directions, protection electricity
Gas interface 32 and capacitance electric interfaces 33.Y with device cell is distributed and by protecting electricity by-pass switch 50 in succession in a second direction
Gas interface 32 connect to form half packet accommodation space 60 with device cell, and second direction Y intersects with first direction X, and described is intersecting
It is preferably vertical.Thyristor 70 is set to half packet accommodation space 60 and is electrically connected with by-pass switch 50.
The (PCC) power 1 that the utility model embodiment provides, when being applied in Modularized multi-level converter sub-module,
The stray inductance of laminated bus bar 30 can effectively be reduced, avoid the problem that current unevenness stream, ensure the modular multilevel change of current
The reliability service of device submodule.
Also referring to Fig. 2, Fig. 2 illustrates the structure diagram of another embodiment (PCC) power 1 of the utility model,
Specifically, for the ease of device cell, by-pass switch 50 and thyristor 70 are protected and installed, (PCC) power 1 is preferably also
Including stent 40, stent 40 can be the square frame of hollow out, and device cell, by-pass switch 50 and thyristor 70 are placed in stent
40 and radiator 10 and by-pass switch 50 be connected to stent 40, in the present embodiment radiator 10 be located at by-pass switch 50 top and
It is connected to the side of stent 40.
Also referring to Fig. 3, Fig. 3 is the structure diagram of radiator 10 in Fig. 1, and in the present embodiment, radiator 10 is water
Cold plate, cooled plate have certain thickness, are provided with the waterpipe jointing 12 connected with its own in cooled plate, described water pipe connects
Mouthfuls 12 include two, and one is water inlet interface and another one is water outlet mouthpiece, in cooled plate with 12 corresponding section of waterpipe jointing
Catch basin 13 is provided with, to be formed by the surface indentation of cooled plate, catch basin 13 is connected with to be connected described catch basin 13 with extraneous
Logical diversion pipe 14.In order to save space, the part-structure of diversion pipe 14 is preferably extended over to the inside of radiator 10.
Radiator 10 uses cooled plate form, simple in structure and good heat dissipation effect.Due to cooled plate water inlet interface and go out
Water interface needs the pipeline connection with the external world, to reach heat dissipation effect.Because water inlet interface and water outlet mouthpiece with extraneous pipeline
Junction easily generates drainage, and (PCC) power 1 belongs to electrical equipment, once the water leaked out touches (PCC) power 1
Device is formed, easily corresponding device is damaged, influences the performance of device.Therefore, the catch basin 13 accordingly set can incite somebody to action
Leak is collected, and effectively leak is avoided to damage device.Since the capacity of catch basin 13 is limited, in order to ensure leak is collecting
It will not be overflowed outward in sink 13, the diversion pipe 14 connected with catch basin 13 of setting can be by the leak collected in catch basin 13
It constantly exports, to ensure the operational safety of (PCC) power 1.
IGBT device 20 includes two and is respectively positioned on radiator 10 in the present embodiment, and two IGBT devices 20 form half-bridge
Structure is simultaneously electrically connected with stack bus bar, and each IGBT device 20 is respectively provided with a driving plate 21.
It is the overall structure diagram of laminated bus bar 30 in Fig. 1 also referring to Fig. 4 and Fig. 5, Fig. 4, Fig. 5 is Fig. 4 middle levels
The decomposition diagram of folded busbar 30.Laminated bus bar 30 includes the negative plate 34 that X is cascading along the first direction, positive plate 35
And exchange output board 36, negative plate 34 is located to be set close to the side of radiator 10.Capacitance electric interfaces 33 are by two interface groups
Into the capacitance negative electrical interface 332 respectively on negative plate 34 and the capacitance positive electrical interface on positive plate 35
331, capacitance positive electrical interface 331 and capacitance negative electrical interface 332 extend on X in a first direction, and the two is preferably oppositely extending.It is logical
It crosses capacitance positive electrical interface 331 and capacitance negative electrical interface 332 can be with the capacitance group of Modularized multi-level converter sub-module
Part connects, so that the half-bridge structure that IGBT device 20 forms is in parallel with capacitance component.
Outlet electric interfaces 31 are oppositely arranged with capacitance electric interfaces 33 and are made of two interfaces, respectively positioned at cathode
Busbar negative output electric interfaces 311 on plate 34 and the exchange on exchange output board 36 export electric interfaces 312, busbar
Negative output electric interfaces 311 and exchange output electric interfaces 312 extend on X in a first direction, and the two is preferably oppositely extending, passes through
Busbar negative output electric interfaces 311 and exchange output electric interfaces 312 enable to (PCC) power 1 to be electrically connected with external equipment.
Protection electric interfaces 32 are made of two interfaces, the busbar negative output bypass protection respectively on negative plate 34
Electric interfaces 321 and the exchange output bypass protection electric interfaces 322 on exchange output board 36, the bypass of busbar negative output
Electric interfaces 321 and exchange output bypass protection electric interfaces 322 are protected towards by-pass switch 50 and on second direction Y
Extension.
The generally box-like structure of by-pass switch 50, apparatus assembly especially by laminated bus bar 30 protection electric interfaces 32 with
By-pass switch 50 is connected contains accommodation space to form described half, and by the laminated bus bar 30 of apparatus assembly by by-pass switch
50 is in parallel with IGBT device 20.Laminated bus bar 30 is by protecting electric interfaces 32 to be supported on by-pass switch 50 simultaneously.Thyristor
70 are set to half packet accommodation space 60, can be specifically supported in by-pass switch 50 and are electrically connected with by-pass switch 50, with
By-pass switch 50 is in parallel.
As an alternative embodiment, (PCC) power 1 further comprises X in a first direction and radiator 10 relatively simultaneously
The controller 80 being set on stent 40, controller 80 include separately positioned voltage collection circuit and are operated in low-voltage state
Under control circuit, control circuit sets close to IGBT device 20, control circuit and by-pass switch 50, IGBT device 20 and brilliant lock
Pipe 70 is electrically connected, specifically electric with the control section of the triggering of by-pass switch 50 and feedback fraction, IGBT device 20 and thyristor 70
Connection, with control IGBT device 20 open and turn off and by-pass switch 50, the conducting of thyristor 70.Since control circuit is close
IGBT device 20 is set, and can shorten the distance of control circuit and IGBT device 20, connection reliability higher.Voltage collection circuit
Be electrically connected with laminated bus bar 30 and by-pass switch 50 and set close to by-pass switch 50, specifically with the energy storage section of by-pass switch 50
Electrical connection, to monitor the high-voltage power voltage of the voltage of laminated bus bar 30, by-pass switch 50, leaned on due to voltage collection circuit near
Way switch 50 is set, and can shorten the distance of voltage collection circuit and by-pass switch 50, connection reliability higher, voltage acquisition electricity
The range of voltage values of road acquisition monitoring is 400V~2500V.
Since the voltage collection circuit and work control circuit in a low voltage state of controller 80 are separately positioned so that high
Intermediate pressure section is separated with area of low pressure, on the basis of control requirement and status monitoring requirement is met, additionally it is possible to effectively avoid electricity
Interference of the Acquisition Circuit to control circuit is pressed, ensures the control stability of (PCC) power 1.
For the ease of the dismounting of controller 80, as an alternative embodiment, controller 80 uses box like structure, branch
There is sliding slot, controller 80 is detachably inserted into sliding slot, and in the present embodiment, sliding slot can prolong along second direction Y on frame 40
It stretches, it, can be by from the extraction of the top of stent 40 or inserting controller 80, operating letter when being dismounted to controller 80
It is single, facilitate the maintenance of controller 80.
As an alternative embodiment, (PCC) power 1 further comprises Switching Power Supply 90, Switching Power Supply 90 is set to
Stent 40 is simultaneously electrically connected with controller 80.Switching Power Supply 90 takes the DC master row voltage that electricity input is wider range, and output is steady
The working power of fixed supply control assembly work, the power supply of controller 80 and the high voltage power supply power supply of by-pass switch 50 are out
What powered-down source 90 provided, the short transverse of Switching Power Supply 90 is second direction Y, i.e., Switching Power Supply 90 is vertical mounted on stent 40
Madial wall, the high pressure inlet wire of Switching Power Supply 90 can maximally reduce high-tension line and walk over long distances in the upper end of power supply
Line, and then reduce the influence to (PCC) power 1.
In order to which when (PCC) power 1 is stopped, the energy on laminated bus bar 30 can be released, as a kind of optional
Embodiment, (PCC) power 1 further comprises discharge resistance 100, and discharge resistance 100 uses water-cooled resistance, discharge resistance 100
It is set to the installation surface 11 of radiator 10 and is electrically connected with laminated bus bar 30, existed by 100 (PCC) power 1 of discharge resistance
When being stopped, the energy on laminated bus bar 30 can be released, ensure the stable operation of (PCC) power 1, and cause power packages
Part 1 being capable of normal operation in lower task.
Also referring to Fig. 6, Fig. 7, it is more that Fig. 6 shows that the (PCC) power 1 of the utility model embodiment is applied to modularization
The structure diagram of level converter submodule, Fig. 7 show the circuit diagram of Fig. 6.The (PCC) power 1 of the utility model embodiment
When in use, it is used cooperatively with capacitance component 2, the C just with the upper tube IGBT device 20 of two IGBT devices 20 of capacitance component 2
Pole is connected, and the negative of capacitance component 2 is connected with the E of the down tube IGBT device 20 of two IGBT devices 20, upper tube IGBT device
20 E is connected with the C of down tube IGBT device 20, as 1 side output port of (PCC) power, while by-pass switch 50 in parallel and
The side leading-out terminal of thyristor 70.The negative of capacitance is connected with the E of down tube IGBT, as power cell opposite side output port,
The opposite side leading-out terminal of by-pass switch 50 and thyristor 70 in parallel simultaneously.Discharge resistance 100 is connected in parallel on the both ends of capacitance.
For capacitance component 2 with (PCC) power 1 when docking, (PCC) power 1 has the side of capacitance electric interfaces 33 towards electricity
Hold component 2 to set, it is in parallel with capacitance component 2 by capacitance electric interfaces 33, to form Modularized multi-level converter sub-module,
Due to three interfaces, that is, outlet electric interfaces 31 of laminated bus bar 30, electric interfaces 32 and capacitance electric interfaces 33 is protected to have not
Same direction, and thyristor 70 is located at half and contains in space, i.e. thyristor 70 and laminated bus bar 30 is separately positioned so that power packages
Part 1 at work, can effectively reduce the stray inductance of laminated bus bar 30, avoid the problem that current unevenness stream, ensure module
Change the reliability service of multilevel converter.Also, (PCC) power 1 uses above-mentioned form, it is enabled to respectively to form section layout
Rationally, convenient for assembling and repair.
Meanwhile in order to preferably protect each device of (PCC) power 1, the outside of stent 40 has case 41, cover
Plate of the shell 41 close to 31 side of outlet electric interfaces of laminated bus bar 30 is insulation board 411, and outlet electric interfaces 31 are fixed and appeared
In insulation board 411 but non-bulging in insulation board 411, the case 41 of setting not only plays the role of protection, fixation and installation, also
The monnolithic case for enabling to (PCC) power 1 is beautiful.
Also referring to Fig. 8, Fig. 9, Fig. 8 shows the Modularized multi-level converter sub-module of the utility model embodiment
Decomposition diagram, Fig. 9 is the Modularized multi-level converter sub-module partial structural diagram of the utility model embodiment.
The utility model embodiment additionally provides a kind of Modularized multi-level converter sub-module, including pedestal 4, capacitance group
Part 2, the (PCC) power 1 of above-mentioned each embodiment and reinforcing connector 3, pedestal 4 can be with certain thickness square body, base
Connecting hole 401 is provided on seat 4, the bottom of capacitance component 2 is plugged on connecting hole 401 and passes through the fastening of the fasteners such as bolt, work(
Rate component 1 closes on capacitance component 2 and sets and be connected to pedestal 4, can specifically be connect with pedestal 4 by fastener, (PCC) power 1
Capacitance electric interfaces 33 connect with capacitance component 2, reinforce connector 3 be connected to capacitance component 2 and (PCC) power 1.
In the present embodiment, reinforce connector 3 and include the connecting lugs 301 being set on capacitance component 2 and be set to power
Fixed plate 302 on component 1, fixed plate 302 can be located on the stent 40 of (PCC) power 1, when it is implemented, connecting lugs
301 grafting enter in (PCC) power 1 with fixed plate 302 with respect to and pass through fastener and connect fixation so that capacitance component 2 and power packages
Part 1 connects more securely.
It is, of course, understood that connecting lugs 301 are not limited to be set on capacitance component 2, correspondingly, fixed plate
302 are also not necessarily limited to be set on (PCC) power 1, in one example, can also exchange the two, i.e., set connecting lugs 301
It is placed on (PCC) power 1, and fixed plate 302 is set on capacitance component 2, fixation is connect with (PCC) power 1 in capacitance component 2
When, connecting lugs 301 are connect fixation with fixed plate 302 by fastener, again such that capacitance component 2 and (PCC) power 1 connect
It connects more securely.
The Modularized multi-level converter sub-module that the utility model embodiment provides as a result, as a result of above-mentioned each
The (PCC) power 1 of embodiment so that Modularized multi-level converter sub-module integrally can effectively reduce laminated bus bar 30
Stray inductance avoids the problem that current unevenness stream, ensures the reliability service of Modularized multi-level converter sub-module.And layout is closed
Reason, convenient for assembling and repairing.
Simultaneously as capacitance component 2 and (PCC) power 1 are all connected to pedestal 4, and between capacitance component 2 and (PCC) power 1
It is also connected by reinforcing connector 3 so that for Modularized multi-level converter sub-module in lifting, antivibration kinetic force is strong, effectively
Capacitance component 2 and (PCC) power 1 is avoided to generate the changing of the relative positions between each other, guarantee can be reliably electrically connected therebetween, and then
Effectively Modularized multi-level converter sub-module can be avoided to be damaged, improve its security performance.
Although the present utility model has been described by reference to the preferred embodiments, but in the model for not departing from the utility model
In the case of enclosing, various improvement can be carried out to it and component therein can be replaced with equivalent.Especially, as long as not depositing
In structural conflict, items technical characteristic mentioned in the various embodiments can be combined in any way.The utility model
It is not limited to specific embodiment disclosed herein, but all technical solutions including falling within the scope of the appended claims.
Claims (10)
1. a kind of (PCC) power (1), for Modularized multi-level converter sub-module, which is characterized in that including：
Device cell, radiator (10), IGBT device (20) and the laminated bus bar being arranged side by side successively including (X) along the first direction
(30), the radiator (10) includes the installation surface (11) towards the laminated bus bar (30), and the IGBT device (20) sets
It is placed in the installation surface (11) and is electrically connected with the laminated bus bar (30), the laminated bus bar (30) is including having different courts
To outlet electric interfaces (31), protection electric interfaces (32) and capacitance electric interfaces (33)；
By-pass switch (50), (Y) and the device cell are distributed and in succession by the protection electric interfaces in a second direction
(32) it connect to form half packet accommodation space (60) with the device cell, the second direction (Y) and the first direction (X) phase
It hands over；And
Thyristor (70) is set to the half packet accommodation space (60) and is electrically connected with the by-pass switch (50).
2. (PCC) power (1) according to claim 1, which is characterized in that the outlet electric interfaces (31) and capacitance electricity
Gas interface (33) is oppositely arranged and extends respectively in the first direction (X), described to protect electric interfaces (32) towards the side
Way switch (50) and the second direction (Y) extend.
3. (PCC) power (1) according to claim 1, which is characterized in that the radiator (10) be cooled plate, the water
Be provided on cold plate the waterpipe jointing (12) that is connected with its own and with the waterpipe jointing (12) corresponding catch basin
(13), the catch basin (13) is connected with the diversion pipe (14) for being in communication with the outside.
4. the (PCC) power (1) according to claims 1 to 3 any one, which is characterized in that further include stent (40), institute
It states device cell, by-pass switch (50) and thyristor (70) and is placed in the stent (40), and the radiator (10) and bypass
Switch (50) is connect respectively with the stent (40).
5. (PCC) power (1) according to claim 4, which is characterized in that further comprise the first direction (X) with
The radiator (10) is opposite and the controller (80) that is set on the stent (40), the controller (80) set including separation
The voltage collection circuit put and the control circuit being operated under low-voltage state, the voltage collection circuit and the laminated bus bar
(30) and by-pass switch (50) is electrically connected, the control circuit and the IGBT device (20), by-pass switch (50) and thyristor
(70) it is electrically connected.
6. (PCC) power (1) according to claim 5, which is characterized in that the controller (80) is box like structure, described
Stent (40) has sliding slot, and the controller (80) is detachably inserted into the sliding slot.
7. (PCC) power (1) according to claim 5, which is characterized in that further comprise Switching Power Supply (90), it is described to open
Powered-down source (90) is set to the stent (40) and is electrically connected with the controller (80).
8. the (PCC) power (1) according to claims 1 to 3 any one, which is characterized in that further comprise discharge resistance
(100), the discharge resistance (100) is set to the installation surface (11) and is electrically connected with the laminated bus bar (30).
9. a kind of Modularized multi-level converter sub-module, which is characterized in that including：
Pedestal (4)；
Capacitance component (2) is connected to the pedestal (4)；
(PCC) power (1) as described in claim 1 to 8 any one, the (PCC) power (1) close on the capacitance component
(2) it sets and is connected to the pedestal (4), the capacitance electric interfaces (33) connect with the capacitance component (2)；And
Connector (3) is reinforced, is connected to the capacitance component (2) and the (PCC) power (1).
10. Modularized multi-level converter sub-module according to claim 9, which is characterized in that the reinforcing connector
(3) including the connecting lugs (301) that are set in the capacitance component (2) and (PCC) power (1) one and it is set to the electricity
Hold the fixed plate (302) in component (2) and (PCC) power (1) another one, the connecting lugs (301) and fixed plate (302) are logical
Cross fastener connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721699940.XU CN207475418U (en) | 2017-12-08 | 2017-12-08 | (PCC) power and Modularized multi-level converter sub-module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721699940.XU CN207475418U (en) | 2017-12-08 | 2017-12-08 | (PCC) power and Modularized multi-level converter sub-module |
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| Publication Number | Publication Date |
|---|---|
| CN207475418U true CN207475418U (en) | 2018-06-08 |
Family
ID=62257333
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| CN (1) | CN207475418U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110266199A (en) * | 2019-07-19 | 2019-09-20 | 常州博瑞电力自动化设备有限公司 | A kind of low explosion-proof soft straight distribution bus assembly of sense |
| WO2021197409A1 (en) * | 2020-04-01 | 2021-10-07 | Atlas Copco (Wuxi) Compressor Co., Ltd. | Inverter power assembly |
| WO2022248018A1 (en) * | 2021-05-25 | 2022-12-01 | Hitachi Energy Switzerland Ag | Power electronic building block for modular multilevel converters |
-
2017
- 2017-12-08 CN CN201721699940.XU patent/CN207475418U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110266199A (en) * | 2019-07-19 | 2019-09-20 | 常州博瑞电力自动化设备有限公司 | A kind of low explosion-proof soft straight distribution bus assembly of sense |
| WO2021197409A1 (en) * | 2020-04-01 | 2021-10-07 | Atlas Copco (Wuxi) Compressor Co., Ltd. | Inverter power assembly |
| WO2022248018A1 (en) * | 2021-05-25 | 2022-12-01 | Hitachi Energy Switzerland Ag | Power electronic building block for modular multilevel converters |
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