CN112350548B - Converter unit and converter unit thereof - Google Patents
Converter unit and converter unit thereof Download PDFInfo
- Publication number
- CN112350548B CN112350548B CN202011146776.6A CN202011146776A CN112350548B CN 112350548 B CN112350548 B CN 112350548B CN 202011146776 A CN202011146776 A CN 202011146776A CN 112350548 B CN112350548 B CN 112350548B
- Authority
- CN
- China
- Prior art keywords
- water
- cabinet
- cavity
- frame
- cooling
- 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.)
- Active
Links
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
-
- 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
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20909—Forced ventilation, e.g. on heat dissipaters coupled to components
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Power Engineering (AREA)
- Inverter Devices (AREA)
Abstract
The invention discloses a converter unit and a converter unit thereof, wherein the converter unit comprises: a cabinet frame; the cabinet body frame is provided with a butt joint structure which is used for being matched with the adjacent cabinet body frames side by side. In this scheme, based on cabinet body frame's butt joint structure to make cabinet body frame (converter unit) and adjacent cabinet body frame (converter unit) form two liang of connections side by side, thereby helped realizing that quick extension builds the converter unit, not only reached modularization, universalization and the application requirement of platformization, also satisfied the different power supply demand of each railway traction substation moreover.
Description
Technical Field
The invention relates to the technical field of railway traction power supply converters, in particular to a converter unit and a converter unit thereof.
Background
Due to the fact that the voltage phases of the two power supply arms are different, a phase passing device such as a flexible ground automatic phase passing device needs to be arranged in the railway traction substation, and therefore the electric locomotive serving as a single-phase load is matched with a three-phase power supply power system. Meanwhile, aiming at the problems of electric energy quality, power supply capacity guarantee, effective utilization of braking energy and the like of a power supply system, the railway traction substation can also be applied to railway traction power supply devices such as in-phase power supply devices, railway power regulators, regenerative braking energy utilization devices and the like.
The converter set is used as a core function unit in railway traction power supply devices such as a flexible ground automatic neutral section passing device, an in-phase power supply device, a railway power regulator, a regenerative braking energy utilization device and the like, and the traditional solution is to design and develop the integrally assembled converter set of the various power supply devices in a customized manner according to different power supply capacity requirements of various railway traction substations.
However, the traditional solution has the problems that the power capacity of a converter unit is not flexibly configured, the size is overlarge due to integral assembly and forming, the transportation and installation scenes are limited, and the modularization, the generalization and the platform application cannot be realized.
Disclosure of Invention
In view of this, the invention provides a converter unit and a converter unit thereof, which can help to realize the rapid expansion and construction of the converter unit, not only reach the application requirements of modularization, generalization and platformization, but also meet different power supply requirements of various railway traction substations.
The invention also provides a converter unit applying the converter unit.
In order to achieve the purpose, the invention provides the following technical scheme:
a converter cell, comprising: a cabinet frame; the cabinet body frame is provided with a butt joint structure which is used for being matched with the adjacent cabinet body frames side by side.
Preferably, the docking structure is a plurality of cabinet-combining interfaces arranged on the cabinet frame.
Preferably, the cabinet frame includes: a middle frame and side frames;
the butt joint structure of the middle frame is eight cabinet combination interfaces which are correspondingly distributed at eight corners of the middle frame one by one, four cabinet combination interfaces at one side are matched with the adjacent middle frame or the side frame, and four cabinet combination interfaces at the other side are matched with the other adjacent middle frame or the side frame;
the butt joint structure of the side frame is four cabinet combining interfaces which are distributed on four corners of the same inner side of the side frame in a one-to-one correspondence mode and matched with the adjacent middle frame.
Preferably, the cabinet frame is provided with a sealing structure for side-by-side matching with the adjacent cabinet frame;
the seal structure includes: and the sealing rings are respectively arranged on the end surfaces of the left end and the right end of the cabinet body frame.
Preferably, the cabinet frame is provided with a spacing structure for side-by-side cooperation with the adjacent cabinet frame.
Preferably, the method further comprises the following steps: the water-cooling inlet and outlet main pipe is arranged in the cabinet body frame;
the water-cooling business turn over is responsible for and distributes in between the both ends about cabinet body frame, just the water-cooling business turn over is responsible for at least one end and is equipped with the pipeline and connects for with adjacent the water-cooling business turn over in the cabinet body frame is responsible for the cooperation.
Preferably, the method further comprises the following steps: the top frame is arranged at the top of the cabinet body frame.
Preferably, the chassis is provided with a fork hole; and/or the top frame is provided with a hoisting hole.
Preferably, the method further comprises the following steps: the main circuit cavity, the control circuit cavity and the isolating switch cavity are arranged in the cabinet body frame;
the main circuit cavity is positioned at the left part of the cabinet body frame; the control loop cavity is positioned at the front upper part of the right part of the cabinet body frame; the isolation switch cavity is located behind the right part of the cabinet body frame.
Preferably, the main circuit cavity includes: the device comprises a main circuit cavity, and a water-cooling power module, a short-circuit contactor, a direct-current support capacitor, a composite busbar and a charging and discharging loop which are arranged in the main circuit cavity;
the short-circuit contactor is positioned at the bottom layer of the main circuit cavity; the water-cooling power module is positioned on the middle layer of the main circuit cavity; the direct current support capacitor is arranged between the charging and discharging loop and the composite busbar and is positioned on the top layer of the main circuit cavity.
Preferably, the main circuit cavity further includes: and the water-air heat exchanger is arranged in the main circuit cavity and used for radiating the short-circuit contactor, the direct-current supporting capacitor and/or the composite busbar.
Preferably, the method further comprises the following steps: the water cooling pipeline cavity is arranged in the cabinet body frame and communicated with the main circuit cavity; the water cooling pipeline cavity is positioned at the front lower part of the right part of the cabinet body frame.
Preferably, the water-cooling pipeline cavity includes: the water-cooling inlet and outlet main pipe and the water supply and return branch pipe are arranged in the water-cooling pipeline cavity; the water supply and return branch pipe is communicated with the water-cooling inlet and outlet main pipe;
the main circuit cavity further comprises: the power module water-cooling hose, the charge-discharge loop water-cooling hose and the water-air heat exchanger water-cooling hose are connected with the power module water-cooling hose; the power module water-cooling hose is connected between the water-cooling power module and the water supply and return branch pipe; the charge-discharge loop water-cooling hose is connected between the charge-discharge loop and the water supply and return branch pipe; and the water-cooling hose of the water-air heat exchanger is connected between the water-air heat exchanger and the water supply and return branch pipe.
Preferably, the isolation switch chamber comprises: the isolation switch comprises an isolation switch cavity, and an electric isolation switch, a common bus and an input/output wiring terminal which are arranged in the isolation switch cavity;
the input and output wiring terminal is positioned at the bottom layer of the isolating switch cavity; the electric isolating switch is positioned on the middle layer of the isolating switch cavity; and the common busbar is connected with the wiring end of the electric isolating switch.
Preferably, the method further comprises the following steps: the rear door plate is arranged at the rear end of the cabinet body frame;
the left part of the rear door plate is provided with an isolating switch cavity air inlet communicated with the isolating switch cavity;
the isolator chamber further includes: and the fan is arranged at the top in the isolating switch cavity.
A converter assembly, comprising: a plurality of converter cells, each of the converter cells being a converter cell as described above;
the converter unit further comprises: and the connecting mechanisms are respectively matched with the two adjacent butt joint structures and used for connecting the two adjacent cabinet body frames.
Preferably, the butt joint structure is a plurality of cabinet combination interfaces arranged on the cabinet frame;
the connecting mechanism includes:
the L-shaped cabinet combining parts are respectively in lap joint and fit with the two adjacent cabinet combining interfaces; the cabinet combination interface is of an L-shaped structure;
and the fasteners are respectively connected with the L-shaped cabinet combination part and the two adjacent cabinet combination interfaces.
Preferably, the cabinet body frames are arranged in a left-right cabinet combination mode in sequence;
the converter unit further comprises: a left side panel and a right side panel; the left side plate is arranged at the left end of the frame of the cabinet body at the leftmost side; the right side plate is arranged at the right end of the rightmost side of the cabinet body frame.
According to the technical scheme, the converter unit is based on the butt joint structure of the cabinet body frames, so that the cabinet body frames (the converter units) and the adjacent cabinet body frames (the converter units) are connected side by side pairwise, the converter unit can be conveniently expanded and built quickly, the application requirements of modularization, universalization and platformization are met, and different power supply requirements of railway traction substations are met.
The invention also provides a converter unit, which has corresponding beneficial effects due to the adoption of the converter unit, and specific reference can be made to the foregoing description, so that the detailed description is omitted.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a front view of a converter cell according to an embodiment of the present invention;
fig. 2 is a rear view of a converter cell according to an embodiment of the present invention;
fig. 3 is a front view (with the front door panel hidden) of a converter unit according to another embodiment of the present invention;
fig. 4 is a rear view (with the rear door hidden) of a converter unit according to another embodiment of the present invention;
fig. 5 is a left side view of a converter unit (a main circuit cavity inner circulation air duct) according to an embodiment of the present invention;
fig. 6 is a right side view of a converter unit (isolating switch cavity external circulation duct) according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of an L-shaped cabinet combining component according to an embodiment of the present invention;
fig. 8 is a front view of a converter assembly according to an embodiment of the present invention;
fig. 9 is a back view of a converter assembly according to an embodiment of the present invention.
Wherein, 110 is a cabinet frame, 111 is a cabinet combining interface, 120 is a front door panel, 121 is a high-voltage indicator, 122 is a touch display screen, 123 is an indicator, 124 is a button panel, 130 is a rear door panel, 131 is an isolating switch cavity air inlet, 132 is a state observation window, 140 is a main circuit cavity, 141 is a charge-discharge circuit, 142 is a voltage sensor, 143 is a water-cooling power module, 144 is a water-cooling hose, 145 is a short-circuit contactor, 146 is a direct-current support capacitor, 147 is a composite busbar, 148 is a current sensor, 149 is a water-air heat exchanger, 150 is a control circuit cavity, 151 is a control unit, 160 is a water-cooling pipeline cavity, 161 is an inlet and outlet water-cooling main pipe, 162 is a water supply and return branch pipe, 170 is an isolating switch cavity, 171 is an electric isolating switch, 172 is a power cable, 173 is an input and output terminal, 174 is a common busbar, 175 is a fan, and 176 is a fan cover; 200 is a top frame, 210 is a hoisting hole; 300 is a bottom frame, 310 is a fork conveying hole; 400 is an L-shaped cabinet combining part, 410 is a first mounting hole, and 420 is a second mounting hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 5, the converter unit provided in the embodiment of the present invention includes: a cabinet frame 110; the cabinet frames 110 are provided with docking structures for mating side-by-side with adjacent cabinet frames 110.
In this scheme, it is understood that this scheme is based on the butt joint structure to the cabinet body frame 110 has been realized and adjacent cabinet body frame 110's cabinet combining is connected. When the cabinet frame 110 is located at the middle position, the cabinet frame 110 is respectively matched with the adjacent cabinet frames 110 at two sides in parallel based on a butt joint structure; when the cabinet frame 110 is located at the side position, the cabinet frame 110 is engaged with the adjacent cabinet frame 110 on one side only in a side-by-side manner based on the docking structure.
According to the technical scheme, the converter unit provided by the embodiment of the invention is based on the butt joint structure of the cabinet body frames, so that the cabinet body frames (converter units) and the adjacent cabinet body frames (converter units) are connected side by side in pairs, and the converter unit can be conveniently expanded and built quickly, thereby not only meeting the application requirements of modularization, generalization and platform, but also meeting different power supply requirements of various railway traction substations.
In the scheme, in order to increase the connection area between the cabinet frame 110 and the adjacent cabinet frame 110, the reliability of cabinet combination connection between two adjacent cabinet frames 110 is improved; accordingly, the docking structures need to be distributed on a plurality of end surfaces of the cabinet frame 110; accordingly, as shown in fig. 5, the docking structure is a plurality of cabinet combination interfaces 111 disposed on the cabinet frame 110. Wherein, the cabinet frame 110 includes: a middle frame and side frames (leftmost frame and rightmost frame); when the cabinet frame 110 is a middle frame, the docking structure is at least two cabinet-combining interfaces 111 disposed on the middle frame, and the docking structure is respectively located on the left and right sides of the middle frame; when the cabinet frame 110 is a side frame, the docking structure is a cabinet-combining interface 111 disposed at an inner side of the side frame;
further, in order to make the cabinet frame 110 obtain a better cabinet combination connection effect; preferably, the docking structure of the middle frame is eight cabinet-combining interfaces 111, the eight cabinet-combining interfaces 111 are distributed in eight corners of the middle frame in a one-to-one correspondence manner (that is, the cabinet-combining interfaces 111 are distributed in a plurality of inner corners of the middle frame in a one-to-one correspondence manner), and four cabinet-combining interfaces 111 on one side are matched with an adjacent middle frame or side frame, and four cabinet-combining interfaces 111 on the other side are matched with another adjacent middle frame or side frame; certainly, the number of the cabinet combining interfaces 111 may also be two, and the two cabinet combining interfaces are respectively distributed at two inner corners of the opposite angle of the middle frame, so that the cabinet combining interfaces can also be matched with the cabinet frames 110 adjacent to the two sides;
the butt joint structure of the side frame is four cabinet combining interfaces 111, and the four cabinet combining interfaces 111 are distributed on four corners of the same inner side of the side frame in a one-to-one correspondence manner and are matched with the adjacent middle frame. Wherein, if the side frame is the leftmost frame, the inner side is the right side; accordingly, if the side frame is the rightmost frame, the inner side thereof is the left side thereof.
Further, in order to achieve sealing between the left and right ends of two adjacent cabinet frames 110 (converter units), the sealing performance inside the converter unit is ensured. Accordingly, the cabinet frame 110 is provided with a sealing structure for side-by-side cooperation with the adjacent cabinet frame 110; wherein, the sealing structure is a sealing ring respectively arranged on the end surfaces of the left and right ends of the cabinet body frame 110. Namely, sealing rings are pasted on the periphery of the end surfaces of the left end and the right end of the cabinet body frame 110 in advance, so that the sealing rings are mutually pasted after two adjacent converter units are combined, and the cabinet combination sealing performance of the whole unit is guaranteed.
Still further, in order to realize the independence of respective spaces of two adjacent cabinet frames 110, correspondingly, the cabinet frames 110 are provided with a spacing structure for side-by-side cooperation with the adjacent cabinet frames 110. In this scheme, need not additionally set up the baffle between two adjacent cabinet body frames 110, can directly utilize the device mounting panel on the left and right sides of cabinet body frame 110 to carry out the wall between cabinet body frame 110 to reduce the skeleton materials of the cabinet body, weight reduction, reduce cost.
Further, the converter unit in this scheme mainly dispels the heat through supporting water cooling plant. In order to enable the converter units to share the same water-cooling water inlet and outlet pipe after the converter units are assembled into a converter unit, the water-cooling water inlet and outlet pipe needs to be configured for each converter unit; correspondingly, the converter unit provided by the embodiment of the invention further comprises: a water-cooled inlet/outlet main pipe 161 provided in the cabinet frame 110;
as shown in fig. 3, the water-cooling inlet/outlet main pipe 161 is distributed between the left and right ends of the cabinet frame 110, and at least one end of the water-cooling inlet/outlet main pipe 161 is provided with a pipe joint for matching with the water-cooling inlet/outlet main pipe 161 in the adjacent cabinet frame 110. This scheme design so for the water-cooling business turn over in two adjacent cabinet body frames 110 is responsible for 161 and can network deployment fast, is based on designs such as butt joint structure, seal structure and interval structure between two adjacent cabinet body frames 110 mentioned in the above again, thereby helps a plurality of converter units to realize expanding fast and building the converter unit.
Specifically, as shown in fig. 1, the converter unit provided in the embodiment of the present invention further includes: a bottom frame 300 disposed at the bottom of the cabinet frame 110, and a top frame 200 disposed at the top of the cabinet frame 110. According to the scheme, the top frame 200 and the bottom frame 300 which are independent of the cabinet body frame 110 are additionally arranged, so that the converter units form the converter unit with a complete structure, and the converter unit does not share the top frame 200 or the bottom frame 300 with the adjacent converter unit after being assembled into a converter unit, and therefore, other auxiliary parts can be conveniently installed on the top frame 200 or the bottom frame 300, or the bottom of the converter unit can be conveniently forked or hoisted at the top.
Further, as shown in fig. 1, the base frame 300 is provided with a fork hole 310; and/or the top frame 200 is provided with a lifting hole 210. By the design, the converter unit is convenient to transport, so that the converter unit can adapt to installation scenes such as indoor and outdoor containers, and different transportation and installation requirements of each railway traction substation are fully met.
In this solution, the internal structure of the converter unit may be divided into three regions according to the space isolation division principle, and accordingly, as shown in fig. 3 and 4, the converter unit provided in the embodiment of the present invention further includes: a main circuit cavity 140, a control circuit cavity 150 and an isolating switch cavity 170 arranged in the cabinet frame 110; therefore, the functions of the internal structure of the converter unit are clearly partitioned, and the partitioned spaces are effectively isolated;
the main circuit cavity 140 is located at the left part of the cabinet frame 110; the control loop cavity 150 is positioned at the front upper part of the right part of the cabinet body frame 110; the isolator cavity 170 is located rearward of the right portion of the cabinet frame 110. The scheme is designed in such a way, so that the partitions of the inner structure of the converter unit are more compact, and the converter unit is facilitated to realize a small-size design.
Specifically, as shown in fig. 3 and 4, the main circuit cavity 140 includes: the main circuit cavity comprises a main circuit cavity body, and a water-cooling power module 143, a short-circuit contactor 145, a direct-current supporting capacitor 146, a composite busbar 147 and a charging and discharging loop 141 which are arranged in the main circuit cavity body;
the short circuit contactor 145 is positioned at the bottom layer of the main circuit cavity; the water-cooling power module 143 is positioned at the middle layer of the main circuit cavity; the dc support capacitor 146 is installed between the charging and discharging circuit 141 and the composite busbar 147, and is located at the top layer of the main circuit cavity. The design of this scheme to make the level differentiation obvious about main circuit cavity inner structure, so that main circuit cavity 140 has characteristics such as rationally distributed, compact structure, outward appearance pleasing to the eye, be convenient for test, installation and maintenance.
In this embodiment, the heat generating devices (such as the water-cooled power module 143, the charge and discharge circuit 141, etc.) in the main circuit cavity 140 that are cooled by water are cooled by a water-cooled pipeline, and details of the cooling can be described below; in addition, heat generated by non-water-cooling heat-dissipation heating devices (such as short-circuit contactors, direct-current support capacitors, composite busbars, and the like) in the main circuit cavity 140 is taken away by the water-wind heat dissipation device. Accordingly, as shown in fig. 4, the main circuit cavity 140 further includes: and the water-air heat exchanger 149 is arranged in the main circuit cavity and used for radiating heat for the short-circuit contactor 145, the direct-current supporting capacitor 146 and the composite busbar 147. Certainly, in the main circuit cavity in this scheme, a closed internal circulation air duct is formed by the design of the partition board and the shielding of the device itself, that is, the heat dissipation of the heating device with non-water cooling heat dissipation is realized by the main circuit cavity 140 through the water-air heat exchanger 149 and the closed internal circulation air duct, and the specific details can be seen in the following description.
In this embodiment, the converter unit internal structure mainly dissipates heat through the water cooling device, that is, dissipates heat through the water cooling device. Correspondingly, as shown in fig. 3, the converter unit according to the embodiment of the present invention further includes: a water cooling pipeline cavity 160 arranged in the cabinet body frame 110 and communicated with the main circuit cavity;
in order to prevent the condensation and water dropping of the water cooling pipeline cavity 160 from affecting the electrical insulation performance of the converter unit, the water cooling pipeline cavity 160 is disposed at the bottom of the cabinet frame 110, that is, the water cooling pipeline cavity 160 is located at the front lower part of the right part of the cabinet frame 110.
Specifically, as shown in fig. 3, the water cooling pipe chamber 160 includes: a water-cooling pipeline cavity, and a water-cooling inlet and outlet main pipe 161 and a water supply and return branch pipe 162 which are arranged in the water-cooling pipeline cavity; the water supply and return branch pipe 162 is communicated with the water-cooling inlet and outlet main pipe 161;
the main circuit chamber 140 further includes: the power module water-cooling hose, the charge-discharge loop water-cooling hose and the water-air heat exchanger water-cooling hose are connected with the power module water-cooling hose; the power module water-cooling hose is connected between the water-cooling power module 143 and the water supply and return branch pipe 162; the charge-discharge loop water-cooling hose is connected between the charge-discharge loop 141 and the water supply and return branch pipe 162; the water-cooling hose of the water-air heat exchanger is connected between the water-air heat exchanger 149 and the water supply and return branch pipe 162. Namely, the water cooling heat dissipation of the water cooling power module 143, the charge-discharge loop 141 and the water-air heat exchanger is realized.
In the scheme, the three water cooling pipelines of the main circuit cavity 140 are all connected with water supply and return branch pipes in the water cooling pipeline cavities by using hoses, and the hose distribution path is less limited by the space in the cabinet and is flexible and adjustable; in addition, the three water-cooling pipelines are not directly connected to the water-cooling inlet and outlet main pipe 161, but are connected to the water-cooling inlet and outlet main pipe 161 through the water supply and return branch pipe 162, so that the ball valve is additionally arranged on the water supply and return branch pipe 162, and the ball valve can be cut off from the networking of the water-cooling inlet and outlet main pipe 161 when the converter unit fails, so that the influence of the failed converter unit on the whole unit is reduced.
Specifically, as shown in fig. 4, the disconnector chamber 170 comprises: the isolating switch comprises an isolating switch cavity, and an electric isolating switch 171, a common bus bar 174 and an input/output wiring terminal 173 which are arranged in the isolating switch cavity;
the input/output wiring terminal 173 is located at the bottom layer of the isolation switch cavity; the electric isolating switch 171 is located at the middle layer of the isolating switch cavity; the common bus bar 174 is connected to the terminals of the electrical isolation switch 171. In this embodiment, the electric isolation switch 171 is provided not only to cut off the faulty converter unit from the unit and reduce the influence on the unit, but also to perform live maintenance of the faulty converter unit (the live means that the input/output connection terminal 173 of the converter unit is continuously charged, and for example, when a fault occurs in the water-cooled power module 143 or the short-circuit contactor 145, the electric isolation switch 171 may be disconnected for maintenance). In addition, the internal devices of the isolating switch cavity 170 are arranged in this way, and the isolating switch cavity has the characteristics of reasonable layout, compact structure, convenience in installation and maintenance and the like.
In order to further optimize the above technical solution, the converter unit provided in the embodiment of the present invention further includes: a rear door panel 130 disposed at a rear end of the cabinet frame 110;
as shown in fig. 2, the left portion of the rear door panel 130 is provided with an isolation switch cavity air inlet 131 communicated with the isolation switch cavity; the scheme needs to be explained as follows: the isolating switch cavity is positioned at the right part of the cabinet body frame, and the arrangement direction of the isolating switch cavity is seen from the front side of the converter unit; the isolating switch cavity air inlet communicated with the isolating switch cavity is positioned at the left part of the rear door plate, and the arrangement direction of the isolating switch cavity air inlet is seen from the back of the converter;
the isolator cavity 170 further includes: and a fan 175 disposed at the top inside the isolator cavity. Specifically, the isolating switch cavity 170 is cooled by the air entering through the air inlet 131 of the isolating switch cavity, and then the air is cooled by the air being drawn outwards by the top fan 175 (having an air outlet), that is, an external circulation air duct is formed, as shown in fig. 6, the air volume sequentially passes through the input/output connection terminal 173, the power cable 172, the common busbar 174 and the electric isolating switch 171 from bottom to top, so as to take away the internal heat of the isolating switch cavity 170. That is, the isolator cavity 170 dissipates heat to the outside through the fan 175 and the external circulation duct, thereby greatly improving the heat dissipation efficiency of the isolator cavity 170.
The embodiment of the present invention further provides a converter unit, including: a plurality of converter cells, each converter cell being a converter cell as described above;
the converter unit further comprises: and the connecting mechanisms are respectively matched with two adjacent side-by-side butting structures and are used for connecting two adjacent cabinet frames 110. Since the converter unit is adopted in the scheme, the converter unit also has corresponding beneficial effects, and specific reference can be made to the foregoing description, which is not repeated herein.
Specifically, as can be seen from the foregoing, the docking structure of the cabinet frame 110 is a plurality of cabinet-combining interfaces 111 disposed on the cabinet frame 110;
the connecting mechanism includes:
the L-shaped cabinet combining component 400 is respectively in lap joint with two adjacent cabinet combining interfaces 111, and the structure of the L-shaped cabinet combining component can be shown in fig. 7; of course, in order to realize the lap joint of the L-shaped cabinet combining piece 400 and the cabinet combining interface 111, the cabinet combining interface 111 is of an L-shaped structure; as shown in fig. 7, the L-shaped cabinet combining component 400 is provided with a first mounting hole 410 and a second mounting hole 420 for respectively matching with two adjacent cabinet combining interfaces 111;
and fasteners respectively connecting the L-shaped cabinet combination part 400 with two adjacent cabinet combination interfaces 111. Wherein, the fastener chooses bolt assembly for use.
In order to further optimize the above technical solution, as shown in fig. 8 and 9, the plurality of cabinet frames 110 are arranged in parallel left and right in sequence, that is, the plurality of cabinet frames 110 (converter units) form a parallel arrangement and a pairwise parallel arrangement;
the left end and the right end of the cabinet frame 110 (converter unit) located at the inner side do not need to be provided with side plates, and only the left end of the leftmost cabinet frame 110 and the right end of the rightmost cabinet frame 110 need to be provided with side plates for forming isolation from the external environment. Correspondingly, the converter unit further comprises: a left side panel and a right side panel; the left side plate is mounted at the left end of the leftmost cabinet frame 110; the right side plate is mounted to the right end of the rightmost cabinet frame 110. This scheme design like this has reduced the skeleton material of converter unit, has not only alleviateed the weight of converter unit, has also reduced the manufacturing cost of converter unit.
The scheme is further described by combining the specific embodiment as follows:
the technical problems to be solved by the invention are as follows:
the invention provides a 1.5MVA novel unitized converter capable of quickly expanding and building a converter unit, based on the characteristics of topological similarity of an AC-DC-AC circuit of various power supply devices, and aims to solve the problems that a flexible ground automatic passing phase separation device, an in-phase power supply device, a railway power regulator, a regenerative braking energy utilization device and other railway traction power supply devices are inflexible in power capacity configuration, incapable of modularly and quickly expanding and building the converter unit and the traditional converter unit are integrally assembled and molded, too large in size, limited in transportation and installation scenes and the like. The unitized converter can be quickly expanded and built into a converter unit in a manner of arranging in a row and combining every two converters according to the power capacity requirement of the device, and can be expanded and built into a railway traction power supply device containing 6 converters and having a total power capacity of 9MVA at most, so that the application requirements of modularization, generalization and platformization are met, and different power supply requirements of railway traction substations are met; meanwhile, the unitized converter is small in size and weight, the overall dimension (width x depth x height) is only 1250x1200x2300mm, the weight is less than 1.5t, the unitized converter can be transported by forking at the bottom or hoisted at the top, the transportation and the installation are convenient, the unitized converter can adapt to installation scenes such as indoor and outdoor containers, and different transportation and installation requirements of various railway traction substations are fully met.
The technical scheme of the invention is described in detail as follows:
the technical scheme of the invention is that a 1.5MVA novel unitized railway traction power supply converter, a main circuit thereof adopts a PWM rectifier + inverter mode, alternating current sides of a rectifier and an inverter are sequentially isolated by an electric isolating switch and a short-circuit contactor, and the circuit topology is completely symmetrical and interchangeable; the structure of the intelligent water-cooled power cabinet mainly comprises a cabinet body framework (cabinet body framework), a water-cooled power module, an electric isolating switch, a short-circuit contactor, a direct-current supporting capacitor, a composite busbar, a common busbar, a charging and discharging loop, a power cable, an input and output wiring terminal, a control unit, a water-cooled pipeline and the like.
As shown in fig. 1 and 2, the front surface of the converter is provided with a high-voltage indicator light, a touch display screen, an indicator light and a button panel, and the state of the converter can be observed and controlled; two state observation windows are arranged on the back surface, and the opening and closing conditions of the disconnecting link of the electric isolating switch can be observed; the bottom of the converter is provided with a bottom frame, the top of the converter is provided with a top frame, the front side and the back side of the bottom frame are both provided with fork transport holes, the front side and the back side of the top frame are both provided with hoisting holes, and the converter can be in bottom fork transport or top hoisting; and an air inlet of the isolating switch cavity is arranged below the back surface and used for radiating the electric isolating switch, the common busbar, the power cable, the input and output wiring terminal and the like through air inlet.
As shown in fig. 3 and 4, the door panels (the front door panel and the rear door panel) on the front and the back of the converter are hidden, and the inside of the converter can be divided into four parts according to the principle of strong and weak current or functional division, namely a main circuit cavity, a control circuit cavity, a water cooling pipeline cavity and an isolating switch cavity; the water cooling system can be divided into three areas according to a space isolation division principle, wherein a main circuit cavity and a water cooling pipeline cavity are communicated into a whole and isolated from the external environment, a control circuit cavity is independently formed into a cavity and isolated from the external environment, and an isolating switch cavity is independently formed into a cavity and communicated with the external environment through a lower air inlet and a top air outlet. The electrical connection between the main circuit cavity and the isolating switch cavity is realized by a power cable through a wire hole formed in the wall surface.
The main circuit cavity mainly comprises a water-cooling power module, a short-circuit contactor, a direct-current support capacitor, a composite bus, a charge-discharge loop, a voltage and current sensor, a power cable, a water-cooling pipeline (comprising a power module water-cooling hose, a charge-discharge loop water-cooling hose and a water-air heat exchanger water-cooling hose), a water-air heat exchanger and the like. The upper layer and the lower layer of the main circuit cavity are obviously distinguished, the bottommost layer is a short-circuit contactor, a water cooling pipeline, a water-air heat exchanger and the like, the second layer is a water cooling power module and the like, and the third layer and the fourth layer are a direct-current supporting capacitor, a charge-discharge loop and the like. The water-cooling power module can be assembled and maintained quickly; firstly, the water-cooling power module is placed in a side-standing mode and assembled and maintained in a longitudinal push-pull mode; secondly, the water-cooling joint of the water-cooling power module adopts a quick joint connection form capable of being quickly plugged and pulled; and thirdly, the direct current side of the water-cooling power module is designed into a plug board embedded type butt joint structure, and the composite bus bar positive and negative plug boards can be quickly connected with and disconnected from the direct current side of the water-cooling power module in a plug-in and pull-out mode. The direct current support capacitor is arranged between the charging and discharging loop and the composite busbar, and an energy storage and filtering dual-purpose interface is reserved on the composite busbar and can be accessed according to the energy storage and filtering requirements of the device. And the water cooling power module, the discharge loop and each water cooling branch of the water-air heat exchanger are connected with a water supply and return branch pipe in a water cooling pipeline cavity by adopting a hose, and the hose distribution path is less limited by the space in the cabinet and is flexible and adjustable. The cavity of the water cooling pipeline is mainly provided with a main pipe of a return pipe, a branch pipe, a hose, a ball valve, a pressure sensor, a temperature sensor and the like.
The control loop cavity mainly comprises a control unit, other secondary devices and the like.
The isolating switch cavity mainly comprises an electric isolating switch, a common bus, a power cable, an input/output wiring terminal, a fan and the like; the electric isolating switch 171 is provided to cut off the fault converter unit from the unit, thereby reducing the influence on the unit, and also to enable live maintenance of the fault converter unit (the live means that the input/output connection terminal 173 of the converter unit is continuously charged, for example, when a fault occurs in the water-cooled power module 143 or the short-circuit contactor 145, the electric isolating switch 171 may be disconnected for maintenance).
The converter mainly dispels the heat through supporting water cooling plant, and the confession return water that its cabinet body bottom was installed is responsible for the length and keeps unanimous with cabinet body width, so after converter unit row one by one, two pairs of combination cabinets, supplies return water to be responsible for both ends accessible pipeline joint and adjacent converter unit or supporting water cooling plant's water-cooling pipeline sealing connection to make the quick network deployment of water-cooling pipeline of whole converter unit, realize the cooling to the converter. In addition, the water-cooling branches of the converter water-cooling power module, the discharge loop and the water-air heat exchanger are not directly led from the water supply and return main pipe, but branch pipes are led out from the main pipe, and then the branch pipes are led to the water-cooling branch pipes to cool the water-cooling power module, the discharge loop and the water-air heat exchanger; the ball valve is arranged at the position, close to the main pipe, of the branch pipe, so that the converter can be conveniently cut off from the main water cooling pipeline when the converter fails, and the influence of the failed converter on the whole unit is reduced; meanwhile, pressure and temperature sensors are arranged on the water supply and return branch pipes, so that the state of cooling water in the converter can be monitored in real time.
The main circuit cavity of the converter is a closed space isolated from the external atmospheric environment, and heat generated by non-water-cooling heat dissipation heating devices (such as a short-circuit contactor, a direct-current support capacitor, a composite busbar and the like) in the main circuit cavity of the converter is continuously taken away through a water-air heat exchanger, as shown in fig. 5. An inner circulation air duct is formed in the main circuit cavity through the design of a partition plate and the shielding of a device per se; cold air flows to the front part of the cabinet body from the water-air heat exchanger at the bottom, sequentially passes through the short-circuit contactor, the water-cooling power module and the direct-current support capacitor from bottom to top, then flows to the rear part of the cabinet body from the top part of the cabinet body over the direct-current support capacitor, hot air flows to the water-air heat exchanger at the bottom from top to bottom along the surface of the composite busbar at the rear part, and finally cooling water in the water-air heat exchanger takes away heat in the hot air to enable the air outlet of the water-air heat exchanger to flow out the cold air. The air in the main circuit cavity circularly flows in such a way, so that the heat dissipation of the closed internal circulation air channel and the improvement of the protection grade of the cabinet body are realized.
The control loop cavity has small heating power of internal devices, and a small fan is arranged above the control unit to draw air from bottom to top, stir air in the cavity and dissipate heat through wall surface heat radiation and heat conduction.
The isolation switch cavity is used for feeding cold air through the air inlet at the lower part, and the fan at the air outlet at the top part outwards pumps hot air for heat dissipation, namely an external circulation air duct, as shown in fig. 6. The air quantity sequentially passes through the input and output wiring terminals, the power cable, the common copper bar and the electric isolating switch from bottom to top, and the heat inside the cavity is taken away, so that the heat dissipation efficiency is improved.
As shown in fig. 5 and 6, the converter is provided with a cabinet combination interface at eight inner corners of the cabinet body. After the converters are arranged in a row in a side-by-side manner, every two converter units are connected and connected in parallel through four L-shaped cabinet connecting pieces (as shown in fig. 7), so that all the converters are connected into a whole. In addition, a circle of sealing ring is pasted on the surface of the frame beam around the left side surface and the right side surface of the converter in advance, the sealing rings are attached to each other after every two converter units are combined, and the cabinet combination sealing performance of the whole unit is guaranteed. And the side does not need additionally to set up the curb plate about the converter (only the left surface of leftmost converter and the right surface of rightmost converter need set up the curb plate for keep apart with external environment), does not need additionally to set up the baffle between two liang of converter units, can directly utilize the device mounting panel of converter side to carry out the wall between the unit to reduce skeleton materials, alleviate weight, reduce cost. Based on the three points, the converter unit can be quickly expanded and built according to the power capacity requirement of the device by quickly networking the water cooling pipeline through the pipeline joint by simultaneously integrating the converter unit, and as shown in fig. 8.
The invention has the advantages that:
(1) the converter can be quickly expanded and built into a converter unit in a manner of arranging in a straight line and combining every two converters according to the power capacity requirement of the device, and can be expanded and built into a railway traction power supply device containing 6 converters and having the total power capacity of 9MVA at most, so that the application requirements of modularization, generalization and platformization are met, and different power supply requirements of railway traction substations are met;
(2) the converter has small volume and weight, the overall dimension (width x depth x height) is only 1250x1200x2300mm, the weight is less than 1.5t, the converter can be transported by forking at the bottom or hoisted at the top, the transportation and the installation are convenient, the converter can adapt to the installation scenes of indoor and outdoor containers and the like, and the different transportation and installation requirements of various railway traction substations are fully met;
(3) the main circuit of the converter adopts a PWM rectifier + inverter mode, alternating current sides of the rectifier and the inverter are sequentially isolated by an electric isolating switch and a short-circuit contactor, circuit topologies are completely symmetrical and interchangeable, the types and the number of spare parts in the actual operation process are effectively reduced, and the converter is simple in structure and convenient to produce and assemble;
(4) the converter has definite power and function subareas, each subarea space is effectively isolated, the upper layer and the lower layer of a main circuit cavity are obviously distinguished, and the converter has the advantages of reasonable layout, compact structure, attractive appearance, convenience in testing, installation and maintenance and the like;
(5) the water-cooling power module of the main circuit cavity can be assembled and maintained quickly; an energy storage and filtering dual-purpose interface is reserved on the composite bus bar and can be accessed according to the energy storage and filtering requirements of the device; the water cooling branch adopts a hose, and the pipe distribution path of the hose is less limited by the space in the cabinet and is flexible and adjustable;
(6) the isolating switch cavity is provided with the electric isolating switch, so that the fault converter unit can be cut off from the unit, the influence on the unit is reduced, and the live maintenance of the fault converter unit can be realized; the isolating switch state observation window is arranged, so that the switch on-off condition of the disconnecting switch can be observed conveniently;
(7) the converter mainly dissipates heat through a matched water cooling device, solves the cooling problem of a water cooling power module, a discharge loop and a water-air heat exchanger, improves the heat dissipation efficiency and reliability of the converter, and adopts pressure and temperature sensors to monitor and protect a water cooling pipeline in real time;
(8) the bottom in the main water-cooling pipeline cabinet is arranged, so that the electric insulation performance of the stainless steel pipeline can be prevented from being influenced by condensation and water dripping; the converter branches from the main water cooling pipeline, and the ball valve is arranged on the branch, so that the converter can be conveniently cut off from the main water cooling pipeline when the converter fails, and the influence of the failed converter on the whole unit is reduced;
(9) the main circuit cavity radiates heat outwards through the water-air heat exchanger and the closed internal circulation air duct, the isolating switch cavity radiates heat outwards through the fan and the external circulation air duct, the control circuit cavity radiates heat through wall surface heat radiation and heat conduction, various heat radiation modes are designed by combining the characteristics of respective internal layout, protection requirements, loss and the like of each cavity, and the heat radiation efficiency is greatly improved.
Alternative of the invention:
(1) different design values of the unit power capacity of the converter can achieve the effect of rapidly expanding and building the railway traction power supply device through the unitized converter in the technical scheme of the invention;
(2) the converter cabinet combination interfaces are arranged at different positions, and the cabinet combination parts adopt other structural forms, so that the effect of quickly expanding and building the converter unit through a straight arrangement and two-by-two cabinet combination mode in the technical scheme can be achieved;
(3) the manual isolating switch arranged in the isolating switch cavity can also achieve the effects of reducing the influence of the fault converter on the unit and reducing the live maintenance of the fault converter by the technical scheme of the invention.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (16)
1. A converter cell, comprising: a cabinet frame (110); the cabinet body frame (110) is provided with a butt joint structure which is used for being matched with the adjacent cabinet body frame (110) side by side;
the cabinet frame (110) includes: a middle frame and side frames;
the butt joint structure of the middle frame is eight cabinet combination interfaces (111), the eight cabinet combination interfaces (111) are distributed on eight corners of the middle frame in a one-to-one correspondence manner, four cabinet combination interfaces (111) on one side are matched with the adjacent middle frame or the side frame, and four cabinet combination interfaces (111) on the other side are matched with the other adjacent middle frame or the side frame;
the butt joint structure of the side frame is four cabinet combination interfaces (111), and the four cabinet combination interfaces (111) are distributed on four corners of the same inner side of the side frame in a one-to-one correspondence manner and are matched with the adjacent middle frame;
the converter cell further includes: a water-cooling inlet and outlet main pipe (161) arranged at the bottom in the cabinet body frame (110);
the water-cooling business turn over is responsible for (161) distribute in between the both ends about cabinet body frame (110), just the water-cooling business turn over is responsible for (161) at least one end and is equipped with the pipeline and connects for with adjacent the water-cooling business turn over in the cabinet body frame (110) is responsible for (161) cooperation.
2. The converter cell according to claim 1, wherein the docking structure is a number of cabinet-in-cabinet interfaces (111) provided to the cabinet frame (110).
3. The converter cell according to claim 1, wherein said cabinet frames (110) are provided with sealing structures for side-by-side cooperation with adjacent cabinet frames (110);
the seal structure includes: and the sealing rings are respectively arranged on the end surfaces of the left end and the right end of the cabinet body frame (110).
4. The converter cell according to claim 1, wherein the cabinet frames (110) are provided with a spacing structure for side-by-side cooperation with adjacent cabinet frames (110).
5. The converter cell of claim 1, further comprising: the cabinet comprises a bottom frame (300) arranged at the bottom of the cabinet body frame (110) and a top frame (200) arranged at the top of the cabinet body frame (110).
6. The converter cell according to claim 5, characterized in that the chassis (300) is provided with a fork hole (310); and/or the top frame (200) is provided with a hoisting hole (210).
7. The converter cell of claim 1, further comprising: a main circuit cavity (140), a control circuit cavity (150) and an isolating switch cavity (170) which are arranged in the cabinet body frame (110);
the main circuit cavity (140) is positioned at the left part of the cabinet body frame (110); the control loop cavity (150) is positioned at the front upper part of the right part of the cabinet body frame (110); the isolating switch cavity (170) is located behind the right portion of the cabinet frame (110).
8. The converter cell according to claim 7, characterized in that the main circuit cavity (140) comprises: the device comprises a main circuit cavity, and a water-cooling power module (143), a short-circuit contactor (145), a direct-current supporting capacitor (146), a composite busbar (147) and a charging and discharging loop (141) which are arranged in the main circuit cavity;
the short-circuit contactor (145) is positioned at the bottom layer of the main circuit cavity; the water-cooling power module (143) is positioned at the middle layer of the main circuit cavity; the direct current support capacitor (146) is arranged between the charge and discharge circuit (141) and the composite busbar (147) and is positioned on the top layer of the main circuit cavity.
9. The converter cell according to claim 8, wherein the main circuit cavity (140) further comprises: and the water-air heat exchanger (149) is arranged in the main circuit cavity and is used for radiating the short-circuit contactor (145), the direct-current supporting capacitor (146) and/or the composite busbar (147).
10. The converter cell of claim 9, further comprising: a water cooling pipeline cavity (160) which is arranged in the cabinet body frame (110) and is communicated with the main circuit cavity; the water-cooling pipeline cavity (160) is positioned at the front lower part of the right part of the cabinet body frame (110).
11. The converter cell of claim 10, wherein the water cooled pipe cavity (160) comprises: the water-cooling pipeline comprises a water-cooling pipeline cavity, and a water-cooling inlet and outlet main pipe (161) and a water supply and return branch pipe (162) which are arranged in the water-cooling pipeline cavity; the water supply and return branch pipe (162) is communicated with the water-cooling inlet and outlet main pipe (161);
the main circuit cavity (140) further comprises: the power module water-cooling hose, the charge-discharge loop water-cooling hose and the water-air heat exchanger water-cooling hose are connected with the power module water-cooling hose; the power module water-cooling hose is connected between the water-cooling power module (143) and the water supply and return branch pipe (162); the charge-discharge loop water-cooling hose is connected between the charge-discharge loop (141) and the water supply and return branch pipe (162); and the water-cooling hose of the water-air heat exchanger is connected between the water-air heat exchanger (149) and the water supply and return branch pipe (162).
12. Converter cell according to claim 7, characterized in that the disconnector chamber (170) comprises: the isolation switch comprises an isolation switch cavity, and an electric isolation switch (171), a common bus bar (174) and an input/output wiring terminal (173) which are arranged in the isolation switch cavity;
the input and output wiring terminal (173) is positioned at the bottom layer of the isolating switch cavity; the electric isolating switch (171) is positioned at the middle layer of the isolating switch cavity; the common busbar (174) is connected with the terminal of the electric isolating switch (171).
13. The converter cell of claim 12, further comprising: a rear door panel (130) disposed at a rear end of the cabinet frame (110);
the left part of the rear door panel (130) is provided with an isolating switch cavity air inlet (131) communicated with the isolating switch cavity;
the disconnector chamber (170) further comprising: and the fan (175) is arranged at the top in the isolating switch cavity.
14. A converter assembly, comprising: -a plurality of converter cells, characterized in that each of said converter cells is a converter cell according to any of claims 1-13;
the converter unit further comprises: and the connecting mechanism is respectively matched with the two adjacent butting structures and is used for connecting the two adjacent cabinet frames (110).
15. The converter assembly according to claim 14, wherein the docking structure is a plurality of cabinet-combining interfaces (111) provided to the cabinet frame (110);
the connecting mechanism includes:
the L-shaped cabinet combining part (400) is respectively in lap joint with the two adjacent cabinet combining interfaces (111); the cabinet combination interface (111) is of an L-shaped structure;
and the fasteners are respectively connected with the L-shaped cabinet combination part (400) and two adjacent cabinet combination interfaces (111).
16. The converter assembly according to claim 14, wherein a plurality of said cabinet frames (110) are arranged side by side in sequence;
the converter unit further comprises: a left side panel and a right side panel; the left side plate is arranged at the left end of the leftmost cabinet body frame (110); the right side plate is arranged at the right end of the rightmost cabinet body frame (110).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011146776.6A CN112350548B (en) | 2020-10-23 | 2020-10-23 | Converter unit and converter unit thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011146776.6A CN112350548B (en) | 2020-10-23 | 2020-10-23 | Converter unit and converter unit thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112350548A CN112350548A (en) | 2021-02-09 |
| CN112350548B true CN112350548B (en) | 2022-03-29 |
Family
ID=74359968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011146776.6A Active CN112350548B (en) | 2020-10-23 | 2020-10-23 | Converter unit and converter unit thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112350548B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201690341U (en) * | 2009-11-11 | 2010-12-29 | 大全电气有限公司 | Current transformer of wind power generation equipment |
| CN202333475U (en) * | 2011-10-28 | 2012-07-11 | 哈尔滨九洲电气股份有限公司 | Framework structure of electrical cabinet body of converter |
| CN204090372U (en) * | 2014-09-05 | 2015-01-07 | 苏州宝馨科技实业股份有限公司 | A kind of rack cabinet connector |
| CN104319982A (en) * | 2014-11-04 | 2015-01-28 | 国家电网公司 | Power device combined cabinet connecting device |
| CN106410927A (en) * | 2016-09-30 | 2017-02-15 | 株洲中车时代电气股份有限公司 | Charging converter for rail transit |
| CN206481225U (en) * | 2016-12-13 | 2017-09-08 | 株洲中车时代电气股份有限公司 | A kind of new current transformer |
| CN107613715A (en) * | 2017-10-20 | 2018-01-19 | 上海兴源东安电气设备制造有限公司 | A kind of framework of rack or switch cubicle |
| CN207766134U (en) * | 2018-01-31 | 2018-08-24 | 株洲中车时代电气股份有限公司 | A kind of train passing phase insulator device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009051518B3 (en) * | 2009-10-31 | 2011-05-12 | Semikron Elektronik Gmbh & Co. Kg | Modular converter arrangement |
| CN104105364B (en) * | 2013-04-07 | 2017-04-05 | 华为技术有限公司 | Rack and the stack of cabinets with the rack |
| JP2018137852A (en) * | 2017-02-21 | 2018-08-30 | 株式会社明電舎 | Power conversion device |
-
2020
- 2020-10-23 CN CN202011146776.6A patent/CN112350548B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201690341U (en) * | 2009-11-11 | 2010-12-29 | 大全电气有限公司 | Current transformer of wind power generation equipment |
| CN202333475U (en) * | 2011-10-28 | 2012-07-11 | 哈尔滨九洲电气股份有限公司 | Framework structure of electrical cabinet body of converter |
| CN204090372U (en) * | 2014-09-05 | 2015-01-07 | 苏州宝馨科技实业股份有限公司 | A kind of rack cabinet connector |
| CN104319982A (en) * | 2014-11-04 | 2015-01-28 | 国家电网公司 | Power device combined cabinet connecting device |
| CN106410927A (en) * | 2016-09-30 | 2017-02-15 | 株洲中车时代电气股份有限公司 | Charging converter for rail transit |
| CN206481225U (en) * | 2016-12-13 | 2017-09-08 | 株洲中车时代电气股份有限公司 | A kind of new current transformer |
| CN107613715A (en) * | 2017-10-20 | 2018-01-19 | 上海兴源东安电气设备制造有限公司 | A kind of framework of rack or switch cubicle |
| CN207766134U (en) * | 2018-01-31 | 2018-08-24 | 株洲中车时代电气股份有限公司 | A kind of train passing phase insulator device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112350548A (en) | 2021-02-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106364348B (en) | A kind of charging pile | |
| CN110299850B (en) | High-power traction auxiliary converter | |
| WO2016197791A1 (en) | Photovoltaic inverter cabinet and photovoltaic inverter | |
| US11588337B2 (en) | Centralized charging cabinet provided with isolation area and charging area | |
| CN213212309U (en) | Energy storage system | |
| CN208134100U (en) | A kind of Mobyneb pure electric automobile power integrated manipulator | |
| CN107359801A (en) | A kind of compression joint type IEGT flexible DC power transmission power models | |
| CN203760866U (en) | Integrated cabinet of photovoltaic power generation system | |
| CN107026560B (en) | Converter cabinet | |
| CN104600960A (en) | Compact main unit cabinet of power cabinet, assembly method thereof and arrangement method for components therein | |
| CN203553648U (en) | High-voltage switch cabinet | |
| CN203423630U (en) | Converter DC/AC power module | |
| CN112350548B (en) | Converter unit and converter unit thereof | |
| CN108327541A (en) | A kind of Mobyneb pure electric automobile power integrated manipulator | |
| WO2023179200A1 (en) | Inverter and inverter system | |
| CN203645556U (en) | Inverter device | |
| CN207399045U (en) | For the integrated form DC power supply of direct-current charging post | |
| CN215528890U (en) | Permanent magnet traction converter | |
| CN214227024U (en) | High-integration-level modular household energy storage system | |
| CN110492721B (en) | Multiport power electronic transformer | |
| CN211183778U (en) | Integrated structure compact type high-voltage frequency converter | |
| CN210693523U (en) | Modularized charging equipment | |
| CN107659170A (en) | Integrated form dc source for direct-current charging post | |
| CN107020968A (en) | A kind of direct-current charging post of non-air-cooled distributed deployment | |
| CN220306962U (en) | Energy storage combined bus cabinet and battery energy storage system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |