CN107359801A - A kind of compression joint type IEGT flexible DC power transmission power models - Google Patents
A kind of compression joint type IEGT flexible DC power transmission power models Download PDFInfo
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- CN107359801A CN107359801A CN201710763571.4A CN201710763571A CN107359801A CN 107359801 A CN107359801 A CN 107359801A CN 201710763571 A CN201710763571 A CN 201710763571A CN 107359801 A CN107359801 A CN 107359801A
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- iegt
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- bus bars
- stack bus
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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
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20927—Liquid coolant without phase change
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- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Power Engineering (AREA)
- Rectifiers (AREA)
Abstract
The invention discloses a kind of compression joint type IEGT flexible DC power transmission power models, including casing and it is arranged on the IEGT power cells and energy-storage units of front and rear arrangement in casing, connected between IEGT power cells and energy-storage units by DC stack bus bars, power module input is connected with DC stack bus bars, and output end is connected with controller；Controller is also connected with IEGT drivers and vacuum contactor；The present invention has power density big；Power flow is simple, smooth；Dismantle and easy to maintenance；Water cooling pipeline sets scientific and reasonable, perfect heat-dissipating；The operability and strong interference immunity of electrical wiring, power model have the features such as waterproof function, overall performance is stable.
Description
Technical field
The invention belongs to technical field of direct current power transmission, and in particular to a kind of compression joint type IEGT flexible DC power transmissions power mould
Block, it is mainly used in the fields such as novel energy access bulk power grid, isolated island transmission of electricity, city looped network, nonsynchronous Power System Interconnection.
Background technology
Technology of HVDC based Voltage Source Converter is also referred to as VSC-HVDC technologies, is a kind of double with voltage source converter (VSC), insulated gate
VSC-HVDC technology based on gated transistors (IGBT), it is the replacement upgrading of customary DC technology of transmission of electricity.Compared to friendship
Stream transmission of electricity and customary DC transmission of electricity, while transmission energy, moreover it is possible to neatly adjust the AC system voltage being attached thereto, have
There are the remarkable advantages such as controllability is preferable, the method for operation is flexible, applicable situation is more, therefore the advantage of Technology of HVDC based Voltage Source Converter is expanded
Power distribution network is opened up, HVDC application has greatly been widened, has had broad application prospects.
IEGT (Injection Enhanced Gate Transistor, IEGT), it is pressure-resistant up to 4KV with
On IGBT series power electronic devices, by take enhancing inject structure realize low on state voltage, make large-capacity power
Electronic device achieves tremendous development.
At present, flexible direct current power transmission system converter valve largely uses welded type IGBT module, and this packing forms use
One side is radiated, and the power of device is played and is restricted, and is not easy to poor connection in series-parallel, salt spray resistance, vibration and shock resistant and thermal fatigue property
Difference.Novel flat-plate total head connects high-power IGBT/IEGT (referred to as " compression joint type IGBT/IEGT ") device and not only thoroughly solves welding
Technique is also easy to produce cavity, the heat fatigue of welding material and the low problem of one side radiating efficiency, also eliminates because of various parts
Caused thermal resistance, volume and weight is reduced, substantially increase IGBT/IEGT operating efficiency and reliability, be extremely suitable for
Following flexible direct current power transmission system is to the high-power of converter valve device, high voltage, high reliability request, compression joint type IGBT/IEGT
It is imperative that device will substitute welded type IGBT module extensively in flexible direct current power transmission system.
In actual use, IEGT is typically used in parallel with fly-wheel diode.According to IEGT structures and voltage class not
Together, some IEGT and fly-wheel diode are parasitism, and both are an entirety, are presented only in the form of IEGT power devices；
Some IEGT and fly-wheel diode are non-parasitism, and both are independent individual.The IEGT power devices of non-parasitism with
The IEGT power devices for having parasitism are compared, and in same circuit topology, the quantity of power device adds one times, while also band
Carry out problems with：
1st, circuit relationships become complicated, and electrical connection difficulty increase, signal cable is protruded by power busbar interference problem.
2nd, water-filled radiator quantity increase, the reliability requirement of radiator is improved.
3rd, the water cooling tube way amount increase connected on radiator, annexation is more complicated, the maintainability of water cooling pipeline
It is required that improving, the problem of pipe joint leak influences power model, is more prominent.
4th, power model size increases.
The content of the invention
The technical problems to be solved by the invention are to be directed to the drawbacks described above in the presence of prior art, there is provided one kind crimping
Formulas I EGT flexible DC power transmission power models,
To achieve these goals, the technical solution adopted by the present invention is a kind of compression joint type IEGT flexible DC power transmission work(
Rate module, including casing and the IEGT power cells and energy-storage units that are arranged on front and rear arrangement in casing, IEGT power cells
It is connected between energy-storage units by DC stack bus bars, power module input is connected with DC stack bus bars, output end and control
Device connects；Controller is also connected with IEGT drivers and vacuum contactor；
The IEGT power cells include IEGT valve strings, and IEGT valves string includes IEGT valves string one and IEGT valves string two；IEGT
Valve string one and IEGT valves string two include IEGT, fly-wheel diode, water-filled radiator, mechanical clamping device, IEGT drivers, water
Cold pipeline and AC busbar, wherein, IEGT drivers are fixedly connected with corresponding IEGT water-filled radiator, fly-wheel diode, machine
Tool pressing device, water cooling pipeline and AC busbars are connected together by valve series winding and realize electrical connection；Wherein, the He of IEGT valves string one
In IEGT valves string two, the interface of water cooling pipeline and water-filled radiator is positioned close to the side of power model side.
The front end of IEGT power cells is connected with AC busbars, including AC positive busbars and AC negative busbars, two busbars pass through respectively
It is attached after switching busbar switching with vacuum contactor.
Casing front end is provided with front panel, and the logical round of disengaging and test lead sub-aperture, the both sides of casing are provided with front panel
Side cover plate is provided with, each side cover plate includes the first side cover plate and the second side cover plate, and the first side cover plate and the second side cover plate are equal
It is provided with heat emission hole；Casing top is provided with lamina tecti, and the lamina tecti includes the first lamina tecti and the second lamina tecti, the first top
Retractable hatch door is provided with cover plate, and the hatch door is provided with perforate, system optical fiber is carried out by perforate and power model
Connection.
Also include clamp diode component, clamp diode component includes being arranged on the installing plate at the top of IEGT valve strings, peace
Be provided with loading board with the one-to-one clamp diode of IEGT valve strings, connection busbar is provided with clamp diode, using electricity
Cable realizes the connection of clamp diode and IEGT valve strings by connecting busbar.
Also include being arranged on and be used for the drip tray for collecting water leakage at the top of IEGT power cells, the water receiving at the top of power model
The water route interface for connecting converter valve water circuit system is provided with disk, water receiving tray bottom passes through drainage joint and scupper hose one
End connection, the scupper hose other end stretch out casing.
Water cooling pipeline includes water inlet pipe and return pipe, and the water inlet of water inlet pipe and the delivery port of return pipe are arranged at water receiving
Above disk.
When multiple water-filled radiators share a water inlet pipe and return pipe, pass through water of connecting between adjacent water-filled radiator
Pipe is connected；The water cooling pipeline of IEGT valves string one is Two In and Two Out form；The water cooling pipeline of the IEGT valves string two enters for one
One goes out form.
Energy-storage units include storage capacitor one and storage capacitor two, are passed through using integral type storage capacitor, energy-storage units
DC stack bus bars realize the connection with IEGT valve strings.
The DC stack bus bars have four pieces altogether, and the connection terminal of DC stack bus bars is arranged at top；
DC stack bus bars one and DC stack bus bars two respectively with the water-filled radiator in IEGT valves string one and IEGT valves string two
Connection；DC stack bus bars three and DC stack bus bars four are attached with storage capacitor one and storage capacitor two respectively, and DC laminations are female
Row's one and DC stack bus bars three, DC stack bus bars two and DC stack bus bars four connect, _ Dc stack bus bars realize energy-storage units with
The connection of IEGT valve strings.
Casing includes the skeleton structure of upper framework, underframe and support frame composition, upper framework and underframe and support frame it
Between use mode connects for screw；Front panel is made up of insulating materials.
Compared with prior art, the present invention at least has the advantages that：The present invention disclosure satisfy that power density is big；Work(
Rate stream is simple, smooth；Dismantle and easy to maintenance；Water cooling pipeline sets scientific and reasonable, perfect heat-dissipating；Electrical wiring it is operable
Property and strong interference immunity, power model there is waterproof function, the features such as overall performance is stable.
Vacuum contactor is arranged on the position of casing front portion bottom, the conductive bus bar of vacuum contactor directly as
The external connection busbar of whole power model；Power module is arranged between vacuum contactor and controller upper-lower position, convenient
Controller is from power module power taking；Controller is provided with the external connection of all cables of the power module architectures and optical fiber,
These cables and optical fiber are uniformly routed to the top that the casing is placed on after controller and then external connection, the side of being not only able to
Just the cover plate of the opening casing, the circuit to go wrong is checked, and can is the cable and optical fiber of these external connections
The function of shielding protection is provided；
IEGT power cells are arranged on casing medium position, have both facilitated the connection of cable and optical fiber and controller, and conveniently
Switching busbar is connected with vacuum contactor；The connection of DC stack bus bars and storage capacitor is additionally favorable for simultaneously；In addition, and can is by water cooling
The both sides that the interface of pipeline and water-filled radiator is arranged on power model are easy to operation and safeguard, and make whole power model external
The water route interface of connection is arranged on the drip tray at the top of power model, convenient to be connected with converter valve water circuit system, while makes work(
Rate module has waterproof function.
Further, the interface of the water cooling pipeline and water-filled radiator be arranged on power model both sides it is easy to operation and
Safeguard, and the water route interface of whole power model external connection is arranged on the drip tray at the top of power model, it is convenient with changing
The connection of valve water circuit system is flowed, while make power model has waterproof function.
Further, drip tray is used to collect water leakage, and water receiving tray bottom is connected with for will leak out by drainage joint
Scupper hose outside water discharge module, improve the stability and security of equipment operation.
Further, the DC stack bus bars have four pieces altogether, are monoblock type encapsulating structure, and precision is high, electric property is good
It is good.
Further, IEGT drivers are fixedly connected with corresponding IEGT water-filled radiator, and such structure is total can
Ensure the shortest route distance of circuit, improve the stability of operation.
Further, in order to obtain good radiating effect, it is ensured that the maximum water-cooling of heat radiation power in IEGT valve strings
Device is preferentially intake, and between each chilled(cooling) water return (CWR) flow resistance matching, the water cooling pipeline of IEGT valves string one is Two In and Two Out shape
Formula, the water cooling pipeline of IEGT valves string two is one-in-and-one-out form.
Further, the connection terminal of DC stack bus bars is arranged at top, convenient use.
Brief description of the drawings
Below in conjunction with the drawings and the specific embodiments, the present invention is described in further detail.
Fig. 1 is the external structure schematic diagram of the present invention.
Fig. 2 is portion's structural representation of the present invention.
Fig. 3 is the IEGT power cell simplified structure diagrams of the present invention.
In figure：100- casings；The upper frameworks of 101-；102- underframes；103- support frames；104- lamina tectis；1041-
First lamina tecti；1042- hatch doors；The lamina tectis of 1043- second；105- side cover plates；The side cover plates of 1051- first；1052-
Two side cover plates；106- front panels；1061- disengaging copper bars hole；1062- test lead sub-aperture；1063- companies LOGO and correlation make
Type designs；107- back shrouds；200-IEGT power cells；201-IEGT valve strings；2011-IEGT valves string one；2012-
IEGT valves string two；2013-IEGT；2014- fly-wheel diodes；2015- water-filled radiators；2016- mechanical clamping devices；
2017-IEGT drivers；2018- water cooling pipelines；20181- water inlet pipes；20182- return pipes；20183- series connection water pipes；
2019-AC busbars；20191-AC positive busbars；20192-AC negative busbars；202-DC stack bus bars；2021-DC stack bus bars
One；2022-DC stack bus bars two；2023-DC stack bus bars three；2024-DC stack bus bars four；203- switching busbars；
2031- switching busbars one；2032- switching busbars two；204- short circuit busbars；205- clamp diode components；2051- is clamped
Position diode, 2052- connection busbars；2053- installing plates；206- drip trays；207- drainage joints；208- scupper hoses；
300- vacuum contactors；400- storage capacitors；401- storage capacitors one；402- storage capacitors two；500- power modules；
600- controllers；
Embodiment
To make those skilled in the art more fully understand technical scheme, the present invention is made below in conjunction with the accompanying drawings into
One step is described in detail.
The present invention relates to a kind of compression joint type IEGT flexible DC power transmission power models, as shown in figure 1, the casing 100 by
A-P is disposed with vacuum contactor 300, power module 500, controller 600, IEGT power cells 200, storage capacitor
400。
Wherein, the vacuum contactor 300 for the circuit of whole power model provide bypass break function, due to volume compared with
Greatly, the position of the 100 anterior bottom of casing is arranged on, maintains easily and operates, while the conduction of vacuum contactor 300 is female
Row avoids power model inner conductive busbar and transferred again also directly as the external connection busbar of whole power model；Institute
Power module 500 is stated as the control circuit part power supply in whole power module architectures, is arranged on vacuum contactor 300 and control
Between the upper-lower position of device 600, facilitate controller from power module power taking；The power model is provided with the controller 600
The external connection of all cables of structure and optical fiber, these cables and optical fiber are uniformly routed to after controller 600 and are placed on institute
Top and then the external connection of casing 100 are stated, is not only able to easily open the cover plate of the casing 100, inspection goes wrong
Circuit, and the function of shielding protection can be provided for the cable and optical fiber of these external connections；These power electronics member devices
Part belongs to the critical piece of the power module architectures, and needs to safeguard and repair often, the vacuum contactor
300th, power module 500, controller 600 concentrate on the front portion of the casing 100, are considering circuit structure and aerial lug
Meanwhile the same position for opening the casing 100 can carry out centralized maintenance to above-mentioned part.
As shown in figure 3, described IEGT power cells 200 are the core components in whole power model, including IEGT valves
String 201, DC stack bus bars 202, switching busbar 203, short circuit busbar 204, clamp diode component 205, drip tray 206, draining
Joint 207 and scupper hose 208.
The IEGT power cells 200 weigh 200 kilograms or so, are disposed at the medium position of casing 100, both facilitate electricity
The connection of cable and optical fiber and controller 600, conveniently switching busbar 203 is connected with vacuum contactor 300 again；Simultaneously DC is additionally favorable for fold
The connection of layer busbar 202 and storage capacitor 400；In addition, and can sets the interface of water cooling pipeline 2018 and water-filled radiator 2015
Put easy to operation and safeguard in the both sides of power model, and the water route interface of whole power model external connection is arranged on power
It is convenient to be connected with converter valve water circuit system on the drip tray 206 of module top, while make power model that there is waterproof function.
The storage capacitor 400 provides energy storage and direct current supporting role for the circuit structure of whole power model, due to
The volume of the storage capacitor 400 is maximum, can weigh 200 kilograms or so one, be disposed at the rear portion of the casing 100,
The electric component in whole casing is laid out to become apparent from rationally.
Described IEGT valves string 201 includes IEGT valves string 1 and IEGT valves string 2 2012；Wherein IEGT valves string one
2011 and IEGT valves string 2 2012 includes IEGT2013, fly-wheel diode 2014, water-filled radiator 2015, mechanical clamping device
2016th, IEGT drivers 2017, water cooling pipeline 2018, AC busbars 2019, in addition, IEGT valves string 1 also include crimping
The cross-over block 2020 set among valve string.
Described IEGT2013 and fly-wheel diode 2014 require identical using required compression force value, can match same
Cover mechanical clamping device 2016.
As shown in figure 3, to make power module circuit annexation smooth, described IEGT valves string 1 is by three pieces
IEGT2013, three blocks of fly-wheel diodes, 2014, one pieces of cross-over blocks 2020 and eight pieces of intervals of water-filled radiator 2015 are connected in parallel on one
Rise, formed by the crimping of mechanical clamping device 2016.Described cross-over block 2020 is process by insulating materials, is arranged on it
In between an IEGT2013 and fly-wheel diode 2014, to ensure the correctness of electric connecting relation.Described IEGT valve strings
One 2011 are connected in parallel by two pieces of IEGT2013, two blocks of fly-wheel diodes 2014 and five pieces of intervals of water-filled radiator 2015, are led to
The crimping of mechanical clamping device 2016 is crossed to form.
Wherein, the water that described IEGT drivers 2017 have corresponding relation by driving box to be directly anchored to IEGT2013
On cold heat sink 2015, while be arranged on IEGT power cells 200 close to the side of controller 600, it is convenient with controller 600 it
Between cable connected with optical fiber.
Described water cooling pipeline 2018 includes water inlet pipe 20181, return pipe 20182, series connection water pipe 20183；Wherein, in order to
Obtaining good radiating effect, it is ensured that the maximum water-filled radiator 2015 of heat radiation power is preferentially intake in IEGT valves string 201, and
The matching of flow resistance, the water cooling pipeline 2018 of IEGT valves string 1 are arranged to Two In and Two Out form between each chilled(cooling) water return (CWR)；
The water cooling pipeline 2018 of IEGT valves string 2 2012 is arranged to one-in-and-one-out form, while three water inlet pipes of water cooling pipeline 2018
20181 and the external connection interfaces of three return pipes 20182 be arranged on the drip tray 206 at the top of power model, it is convenient with changing
The connection of valve water circuit system is flowed, while makes power model that there is waterproof function.
In addition, described drip tray 206 will leak out after water collects, will leak out by drainage joint 207 and scupper hose 208
Outside water discharge module, the stability and security of equipment operation are improved.
Described short circuit busbar 203 will be in the water cooling of same current potential in IEGT valves string 1 and IEGT valves string 2 2012
Radiator 2015 is attached, and in a preferred embodiment of the invention, the size of water-filled radiator 2015 is 180mm*195mm*
35mm。
As shown in Fig. 2 described storage capacitor 400 includes storage capacitor 1 and storage capacitor 2 402, two are
Integral type storage capacitor, it is independent in the module to use.
As shown in figure 3, described clamp diode component 205 when whole power model charges from guide functions, including
Two pieces of clamp diodes, 2051, four connection busbars 2052 and one piece of installing plate 2053；Four connection busbars 2052 and two pieces of pincers
After position diode 2051 connects, by connecting the connecting hole on busbar 2052 by the access power module of clamp diode component 205
In circuit.
As shown in figure 3, the described AC busbars 2019 provide alternating current for the circuit in whole power module architectures；Bag
AC positive busbars 20191 and AC negative busbars 20192 are included, two busbars are respectively by generation in IEGT valves string 1 and IEGT valves string 2 2012
The water-filled radiator 2015 of the same conductive polarity of table is attached, then by transfer busbar 203 transfer after with vacuum contactor
300 are attached, finally by circuit of the conductive bus bar on vacuum contactor 300 directly with whole flexible direct current power transmission system
It is attached, avoids the switching of power model inner conductive busbar, make whole modular power stream ratio smoothly；Simultaneously need not
The AC busbars 2019 of maintenance are arranged between IEGT valves string 1 and IEGT valves string 2 2012, the side for facilitating operation and maintenance
Position, which has left other for, the part of maintenance needs, while the setting of AC busbars 2019 has also been pulled open between IEGT drivers 2017
Distance, make IEGT drivers 2017 shorter to the driving length of cable between IEGT2013, anti-interference is stronger；
As shown in figure 3, described DC stack bus bars 202 have four pieces altogether, it is monoblock type encapsulating structure, precision is high, electric
It is functional.DC stack bus bars 1 and DC stack bus bars 2 2022 respectively with IEGT valves string 1 and IEGT valves string two
2012 water-filled radiator 2015 connects；DC stack bus bars 3 2023 and DC stack bus bars 4 2024 respectively with storage capacitor one
401 and storage capacitor 2 404 be attached, then and respectively by DC stack bus bars 1 and DC stack bus bars 3 2023, DC
Stack bus bar 2 2022 and DC stack bus bars 4 2024 are attached；
Described DC stack bus bars 202 divide the fractionation and Combination Design form for four pieces, are ensureing good electrical performance
Meanwhile assembling is also facilitated, while storage capacitor can also be alleviated by long tune hole design of the DC stack bus bars 202 at mounting hole
400th, this kind of processing because of volume is big, the device of weight weight is brought rigging error and modular tank 100 of IEGT valves string 201 misses
Difference.
In addition, described power model is evaded by the ingehious design and application of AC busbars 2019 and DC stack bus bars 202
Because IEGT2013 and fly-wheel diode 2014 fail to be packaged into, the power device that entirety brings is more, circuit connecting relation
The problem of intricate, make various electrical connection ratios smoothly, whole module placement is than more visible and reasonable.
Described switching busbar 203 includes switching busbar 1 and switching busbar 2 2032.
As shown in figure 1, described casing 100 includes upper framework 101, underframe 102, support frame 103, lamina tecti 104, side
Cover plate 105, front panel 106, back shroud 107；Upper framework 101, underframe 102 and support frame 103 form the skeleton knot of casing 100
Structure, mode connects for screw is used between upper framework 101 and underframe 102 and support frame 103, ensureing casing intensity, it is convenient
While electrical equipment and structural member assemble, due to without considering that upper framework 101 is hung to storage capacitor 400 and IEGT power cells 200
The influence of dress, make the size of power model compacter；
As depicted in figs. 1 and 2, described front panel 106 is made up of insulating materials, and front panel 106 is provided with and connect for vacuum
The disengaging copper bar hole 1061 of the conductive bus bar of tentaculum 300 disengaging, the test lead sub-aperture 1062, Yi Jibiao used for power module test
Levy the company LOGO of corporate culture theory and the shape-designing 1063 of correlation.
To ensure the casing 100 sealing prerequisite in actual use and shielding requirement, such as Fig. 1 and Fig. 2
Shown, casing 100 is additionally provided with lamina tecti 104.Wherein, the lamina tecti 104 includes the first lamina tecti 1041 and the second top cover
Plate 1043；Retractable hatch door 1042 is provided with first lamina tecti 1041, and the hatch door 1042 is provided with perforate.
The hatch door 1042 is located at the top of controller 600, due to having had power model external connection in controller 600
Cable and optical fiber, and the cable of these external connections and optical fiber are exactly by the perforate on the hatch door 1042 and external connection
, when needing to carry out maintenance maintenance to the controller 600, it can only open the can of hatch door 1042 and easily check
All cables and optical fiber.
Claims (10)
1. a kind of compression joint type IEGT flexible DC power transmission power models, it is characterised in that including casing (100) and be arranged on case
The IEGT power cells (200) and energy-storage units (400) of front and rear arrangement in body (100), IEGT power cells (200) and energy storage list
Being connected between first (400) by DC stack bus bars (202), power module (500) input is connected with DC stack bus bars (202),
Output end is connected with controller (600)；Controller (600) is also connected with IEGT drivers (2017) and vacuum contactor (300)；
The IEGT power cells (200) include IEGT valves string (201), and IEGT valves string (201) includes IEGT valves string one (2011)
With IEGT valves string two (2012)；IEGT valves string one (2011) and IEGT valves string two (2012) include IEGT (2013), afterflow two
Pole pipe (2014), water-filled radiator (2015), mechanical clamping device (2016), IEGT drivers (2017), water cooling pipeline
(2018) and AC busbars (2019), wherein, IEGT drivers (2017) and corresponding IEGT (2013) water-filled radiator
(2015) it is fixedly connected, fly-wheel diode (2014), mechanical clamping device (2016), water cooling pipeline (2018) and AC busbars
(2019) it is connected together by valve series winding and realizes electrical connection；Wherein, IEGT valves string one (2011) and IEGT valves string two
(2012) in, the interface of water cooling pipeline (2018) and water-filled radiator (2015) is positioned close to the side of power model side.
A kind of 2. compression joint type IEGT flexible DC power transmission power models according to claim 1, it is characterised in that IEGT work(
The front end of rate unit (200) is connected with AC busbars (2019), including AC positive busbars (20191) and AC negative busbars (20192), and two is female
Row is attached after being transferred respectively by busbar of transferring (203) with vacuum contactor (300).
A kind of 3. compression joint type IEGT flexible DC power transmission power models according to claim 1, it is characterised in that casing
(100) front end is provided with front panel (106), and the logical round (1061) of disengaging and test lead sub-aperture are provided with front panel (106)
(1062), the both sides of casing are provided with side cover plate (105), and each side cover plate (105) includes the first side cover plate (1051) and the
Two side cover plates (1052), the first side cover plate (1051) and the second side cover plate (1052) are provided with heat emission hole；At the top of casing (100)
It is provided with lamina tecti (104), the lamina tecti (104) includes the first lamina tecti (1041) and the second lamina tecti (1043), and first
Retractable hatch door (1042) is provided with lamina tecti (1041), and the hatch door (1042) is provided with perforate, system optical fiber leads to
Perforate is crossed to be attached with power model.
4. a kind of compression joint type IEGT flexible DC power transmission power models according to claim 1, it is characterised in that also include
Clamp diode component (205), clamp diode component (205) include being arranged on the installing plate (2053) at the top of IEGT valve strings,
It is provided with installing plate (2053) and the one-to-one clamp diode (2051) of IEGT valves string (201), clamp diode
(2051) be provided with connection busbar (2052), using cable by connect busbar (2052) realize clamp diode (2051) with
The connection of IEGT valves string (201).
5. a kind of compression joint type IEGT flexible DC power transmission power models according to claim 1, it is characterised in that also include
It is arranged on and is used for the drip tray (206) for collecting water leakage at the top of IEGT power cells (200), the drip tray at the top of power model
(206) the water route interface for connecting converter valve water circuit system is provided with, drip tray (206) bottom passes through drainage joint
(207) connected with scupper hose (208) one end, scupper hose (208) other end stretches out casing (100).
A kind of 6. compression joint type IEGT flexible DC power transmission power models according to claim 1, it is characterised in that water cooling tube
Road (2018) includes water inlet pipe (20181) and return pipe (20182), the water inlet and return pipe (20182) of water inlet pipe (20181)
Delivery port be arranged above drip tray (206).
7. a kind of compression joint type IEGT flexible DC power transmission power models according to claim 6, it is characterised in that when multiple
Water-filled radiator (2015) shares a water inlet pipe (20181) and during return pipe (20182), adjacent water-filled radiator (2015) it
Between connected by water pipe of connecting (20183)；The water cooling pipeline (2018) of IEGT valves string one (2011) is Two In and Two Out form；
The water cooling pipeline (2018) of the IEGT valves string two (2012) is one-in-and-one-out form.
A kind of 8. compression joint type IEGT flexible DC power transmission power models according to claim 1, it is characterised in that energy storage list
First (400) include storage capacitor one (401) and storage capacitor two (402), using integral type storage capacitor, energy-storage units
(400) connection with IEGT valves string (201) is realized by DC stack bus bars (202).
A kind of 9. compression joint type IEGT flexible DC power transmission power models according to claim 1, it is characterised in that the DC
Stack bus bar (202) has four pieces altogether, and the connection terminal of DC stack bus bars (202) is arranged at top；
DC stack bus bars one (2021) and DC stack bus bars two (2022) respectively with IEGT valves string one (2011) and IEGT valves string two
(2012) water-filled radiator (2015) connection in；DC stack bus bars three (2023) and DC stack bus bars four (2024) respectively with storage
Energy electric capacity one (401) and storage capacitor two (402) are attached, DC stack bus bars one (2021) and DC stack bus bars three
(2023), DC stack bus bars two (2022) and DC stack bus bars four (2024) connection, DC stack bus bars (202) realize energy-storage units
(400) with the connection of IEGT valves string (201).
A kind of 10. compression joint type IEGT flexible DC power transmission power models according to claim 1, it is characterised in that casing
(100) skeleton structure of upper framework (101), underframe (102) and support frame (103) composition, upper framework (101) and lower frame are included
Mode connects for screw is used between frame (102) and support frame (103)；Front panel (106) is made up of insulating materials.
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| CN201710763571.4A CN107359801A (en) | 2017-08-30 | 2017-08-30 | A kind of compression joint type IEGT flexible DC power transmission power models |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108075620A (en) * | 2018-01-02 | 2018-05-25 | 清华四川能源互联网研究院 | The power unit structure that a kind of IGCT thyristors are formed |
| CN108387831A (en) * | 2018-06-04 | 2018-08-10 | 华北电力大学 | A kind of power cycle pilot system of 3000A semiconductor devices |
| CN109347339A (en) * | 2018-11-20 | 2019-02-15 | 中车大连电力牵引研发中心有限公司 | DC transformer |
| CN109659912A (en) * | 2018-12-20 | 2019-04-19 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七二研究所） | A kind of marine intelligent direct current mother controller |
| CN109731689A (en) * | 2019-02-13 | 2019-05-10 | 襄阳九鼎昊天环保设备有限公司 | A kind of electrostatic precipitator IEGT large power high voltage pulse power supply |
| CN111030478A (en) * | 2019-12-26 | 2020-04-17 | 荣信汇科电气技术有限责任公司 | Flexible direct-current power module with multi-level explosion-proof and protection structure |
| CN111509994A (en) * | 2019-01-30 | 2020-08-07 | 许继集团有限公司 | Submodule for direct-current transmission converter valve and valve set module for direct-current transmission converter valve |
| CN112510000A (en) * | 2020-11-17 | 2021-03-16 | 扬州国扬电子有限公司 | Power module with low parasitic inductance of driving loop |
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| CN104953857A (en) * | 2015-06-18 | 2015-09-30 | 国电南瑞科技股份有限公司 | Power unit of IEGT (Injection Enhanced Gate Transistor)-based high-power tri-level converter |
| CN106559000A (en) * | 2015-09-30 | 2017-04-05 | 特变电工新疆新能源股份有限公司 | A kind of high-power compression joint type IGBT converter valve power unit structures |
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| CN104953857A (en) * | 2015-06-18 | 2015-09-30 | 国电南瑞科技股份有限公司 | Power unit of IEGT (Injection Enhanced Gate Transistor)-based high-power tri-level converter |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108075620A (en) * | 2018-01-02 | 2018-05-25 | 清华四川能源互联网研究院 | The power unit structure that a kind of IGCT thyristors are formed |
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| CN108387831B (en) * | 2018-06-04 | 2024-01-26 | 华北电力大学 | Power cycle test system of 3000A semiconductor device |
| CN108387831A (en) * | 2018-06-04 | 2018-08-10 | 华北电力大学 | A kind of power cycle pilot system of 3000A semiconductor devices |
| CN109347339A (en) * | 2018-11-20 | 2019-02-15 | 中车大连电力牵引研发中心有限公司 | DC transformer |
| CN109659912A (en) * | 2018-12-20 | 2019-04-19 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七二研究所） | A kind of marine intelligent direct current mother controller |
| CN111509994A (en) * | 2019-01-30 | 2020-08-07 | 许继集团有限公司 | Submodule for direct-current transmission converter valve and valve set module for direct-current transmission converter valve |
| CN109731689B (en) * | 2019-02-13 | 2024-03-19 | 襄阳九鼎昊天环保设备有限公司 | IEGT high-power high-voltage pulse power supply for electrostatic precipitator |
| CN109731689A (en) * | 2019-02-13 | 2019-05-10 | 襄阳九鼎昊天环保设备有限公司 | A kind of electrostatic precipitator IEGT large power high voltage pulse power supply |
| CN111030478B (en) * | 2019-12-26 | 2022-01-04 | 荣信汇科电气股份有限公司 | Flexible direct-current power module with multi-level explosion-proof and protection structure |
| CN111030478A (en) * | 2019-12-26 | 2020-04-17 | 荣信汇科电气技术有限责任公司 | Flexible direct-current power module with multi-level explosion-proof and protection structure |
| CN112510000A (en) * | 2020-11-17 | 2021-03-16 | 扬州国扬电子有限公司 | Power module with low parasitic inductance of driving loop |
| CN112510000B (en) * | 2020-11-17 | 2024-04-09 | 扬州国扬电子有限公司 | Power module with low parasitic inductance of driving loop |
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Application publication date: 20171117 |