CN104734465A - Power cabinet and converter - Google Patents
Power cabinet and converter Download PDFInfo
- Publication number
- CN104734465A CN104734465A CN201510088908.7A CN201510088908A CN104734465A CN 104734465 A CN104734465 A CN 104734465A CN 201510088908 A CN201510088908 A CN 201510088908A CN 104734465 A CN104734465 A CN 104734465A
- Authority
- CN
- China
- Prior art keywords
- cabinet
- power
- bus interface
- power model
- power cabinet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000002093 peripheral effect Effects 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 40
- 238000001816 cooling Methods 0.000 claims description 19
- 239000002826 coolant Substances 0.000 claims description 9
- 238000005057 refrigeration Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/003—Constructional details, e.g. physical layout, assembly, wiring or busbar connections
-
- H—ELECTRICITY
- 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
- H05K7/20918—Forced ventilation, e.g. on heat dissipaters coupled to components the components being isolated from air flow, e.g. hollow heat sinks, wind tunnels or funnels
-
- 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)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention provides a power cabinet and a converter, wherein the power cabinet comprises: the power module is electrically connected with the controller and arranged in the cabinet body; the cabinet body is provided with an alternating current bus interface and a direct current bus interface, and the power module is electrically connected with the alternating current bus interface and the direct current bus interface respectively and is used for being electrically connected with a peripheral system or other power cabinets through the alternating current bus interface or the direct current bus interface. The power module has independent functions and does not depend on a peripheral system, so that the workload of the design of the peripheral system is reduced, the development period is shortened, and the compatibility of various power modules can be realized.
Description
Technical field
The present invention relates to electric and electronic technical field, particularly a kind of power cabinet and current transformer.
Background technology
Wind generating technology obtains in China in recent years and develops fast, and the capacity of separate unit blower fan also becomes increasing, Converter Capacity supporting with it also corresponding lifting the continuous future development towards high power density.
The core cell of current transformer is based on insulated gate bipolar transistor (IGBT; Insulated GateBipolar Transistor)/integrated gate commutated thyristor (IGCT; Intergrated GateCommutated Thyristor) power model that designs, its peripheral system comprises the structures such as filter circuit, protective circuit, bus-bar system, cooling system, control system and the cabinet made around power model.Current current transformer, be mainly that unit is to carry out peripheral system design with power model, design efforts would is large, cycle is long, and the interface relationship between power model and peripheral system is complicated, and the power model that different manufacturers is produced is difficult to unified on interface, cause the selection unification of power model, thus it is single to determine current transformer design direction.
Be installed with timing carrying out current transformer liter, need to select new module, and according to the requirement of new module, redesign peripheral system, be equivalent to again do a current transformer design, the construction cycle is long.
Summary of the invention
The object of this invention is to provide a kind of functional independence, do not rely on peripheral system, and can realize power cabinet and the current transformer of multiple power module compatibility, large to solve peripheral system design efforts would, the construction cycle is long, the problem of module poor compatibility.
For achieving the above object, the technical solution adopted in the present invention is:
A kind of power cabinet, comprising: cabinet, power model and controller, described power model and the electrical connection of described controller, and is all arranged in described cabinet;
Described cabinet is provided with ac bus interface and DC bus interface, described power model is electrically connected with described ac bus interface and described DC bus interface respectively, in order to be electrically connected with peripheral system by described ac bus interface or described DC bus interface.
More preferably, described ac bus interface comprises rectification side ac bus interface and/or inverter side ac bus interface.
More preferably, described cabinet inwall is provided with the first guide rail, described power model is arranged on described first guide rail, and can at described first slide on rails.
More preferably, described cabinet inwall is provided with the second guide rail, described controller is arranged on described second guide rail, and at described second slide on rails.
More preferably, described power model is single-phase power module and quantity is the multiple of three, or is three phase power module.
More preferably, described power cabinet also comprises water-cooling system, and described water-cooling system comprises water inlet pipe and outlet pipe;
Described water inlet pipe is communicated with the cooled plate of external refrigeration medium source with described power model respectively, and described outlet pipe is communicated with the cooled plate of described power model;
Coolant flows into the cooled plate of described power model by described water inlet pipe, and is discharged by described outlet pipe, in order to cool described power model.
More preferably, described power cabinet also comprises heat-exchange system in cabinet, and in described cabinet, heat-exchange system comprises blower fan and water wind heat exchanger;
Described water wind heat exchanger is communicated with described outlet pipe with described water inlet pipe respectively, circulates in described water wind heat exchanger in order to make coolant;
Described blower fan blow air through described water wind heat exchanger, and is flowed to described power model, in order to cool described power model by after described water wind heat exchanger cooling.
More preferably, described cabinet inside is provided with homogenating plate, and described homogenating plate is provided with equal air holes, and the quantity of described equal air holes is identical with the quantity of described power model, and with described power model one_to_one corresponding; In order to regulate the air mass flow flowing through power model described in each.
More preferably, described power cabinet also comprises heat-exchange system in cabinet, and in described cabinet, heat-exchange system comprises blower fan, and air is blowed to described power model by described blower fan, in order to cool described power model.
More preferably, described cabinet inside is provided with homogenating plate, and described homogenating plate is provided with equal air holes, and the quantity of described equal air holes is identical with the quantity of described power model, and with described power model one_to_one corresponding; Described homogenating plate flows through the air mass flow of power model described in each in order to regulate.
A kind of current transformer, comprises the power cabinet of peripheral system and above any technical characteristic;
Described power cabinet is electrically connected with described peripheral system by described ac bus interface or described DC bus interface.
More preferably, the quantity of described power cabinet is two or more;
Described two or more power cabinet is connected successively by described ac bus interface or described DC bus interface.
More preferably, described power cabinet comprises water-cooling system, and the water-cooling system of described two or more power cabinet is communicated with successively.
The invention has the beneficial effects as follows: make power model functional independence, do not rely on peripheral system, thus reduce the workload of peripheral system design, shorten the construction cycle, and the compatibility of multiple power module can be realized.
Accompanying drawing explanation
Fig. 1 is the power cabinet structural representation in embodiment one;
The power cabinet structural representation of Fig. 2 to be power model be three phase power module;
Fig. 3 is the first guide rail schematic diagram in the power cabinet in embodiment one;
Fig. 4 is the water-cooling system schematic diagram of the power cabinet in embodiment two;
Fig. 5 is the heat-exchange system schematic diagram in the power cabinet in embodiment two;
Fig. 6 is the homogenating plate schematic diagram in Fig. 5;
Fig. 7 is the heat-exchange system schematic diagram in the power cabinet in embodiment three;
Fig. 8 is the converter structure schematic diagram in embodiment four.
Wherein: 1-power cabinet; 2-cabinet; 3-power model; 4-controller; 5-ac bus interface; 6-DC bus interface; 7-first guide rail; 8-single-phase power module; 9-three phase power module; 10-water inlet pipe; 11-outlet pipe; 12-cooled plate; 13-blower fan; 14-water wind heat exchanger; 15-homogenating plate; The equal air holes of 16-; 17-return air channel; 18-peripheral system.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, power cabinet of the present invention and current transformer are further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Embodiment one
As shown in Figure 1, a kind of power cabinet 1, comprise: cabinet 2, power model 3 and controller 4, power model 3 and controller 4 are electrically connected, and be all arranged in cabinet 2, cabinet 2 is provided with ac bus interface 5 and DC bus interface 6, power model 3 is electrically connected with ac bus interface 5 and/or DC bus interface 6 respectively, in order to be electrically connected with peripheral system or other power cabinets by ac bus interface 5 and/or DC bus interface 6.
Wherein, power model 3 is single-phase power module 8, and quantity is the multiple of three, and controller 4 adopts distributed control mode, is namely electrically connected with each single-phase power module 8 respectively, realizes the real-time control to single-phase power module 8 and protection fast.As a kind of embodiment, as shown in Figure 2, power model 3 also can be three phase power module 9, and controller is identical with the control principle controlling single-phase power module 8 to the control principle of three phase power module 9.Power model 3 is electrically connected with ac bus interface 5 and DC bus interface 6 respectively, in order to be connected with peripheral system by ac bus interface 5 or DC bus interface 6.Ac bus interface 5 and DC bus interface 6 all adopt standard interface, are convenient to be electrically connected with peripheral system.Wherein ac bus interface 5 comprises rectification side ac bus interface and inverter side ac bus interface, according to the difference of the mode of connection, can complete rectification and invert function like this.
Adopt technique scheme, make power cabinet 1 can the power model 3 of compatible different types, different peripheral systems can be adapted to.Power cabinet 1 only just can need realize being electrically connected by ac bus interface 5 or DC bus interface 6 with between peripheral system, and peripheral system does not need to carry out complicated design according to power model 3, greatly reduce the construction cycle, and development-success ratio is high.
More preferably, as shown in Figure 3, cabinet 2 inwall is provided with the first guide rail 7, power model 3 is arranged on the first guide rail 7, and can slide on the first guide rail 7.Further, cabinet 2 inwall is provided with the second guide rail (scheming not shown), controller 4 is arranged on the second guide rail, and at the second slide on rails.
Like this, power model 3 and controller 4 all adopt drawer push-and-pull structure by the first guide rail 7 and the second guide rails assembling in cabinet 2, to power model 3 and controller 4 maintenance work provide conveniently.
Embodiment two
As shown in Figure 4, power cabinet 1 in the present embodiment has all technical characteristic of the power cabinet 1 described in embodiment one, be with the difference of the power cabinet 1 in embodiment one, as shown in Figure 4, power cabinet 1 in the present embodiment also comprises water-cooling system, water-cooling system comprises water inlet pipe 10 and outlet pipe 11, water inlet pipe 10 is communicated with the cooled plate 12 of power model 3 with external refrigeration medium source respectively, outlet pipe 11 is communicated with the cooled plate 12 of power model 3, coolant flows into the cooled plate 12 of power model 3 by water inlet pipe 10, and discharged by outlet pipe 11, in order to cool power model 3, and it is outside the carry heat of cabinet 2 inside to be gone out cabinet 2.
Wherein, external refrigeration medium source can be water pump, and coolant can be water, and the cooled plate 12 of power model 3 can adopt conventional mode (as passed through flexible pipe) to be communicated with outlet pipe 11 with water inlet pipe 10.Power cabinet 1 can be made like this to possess relatively independent cooling system, can prevent power model 3 from crossing heat-induced damage.
More preferably, as shown in Figure 5, power cabinet 1 also comprises heat-exchange system in cabinet, in cabinet, heat-exchange system comprises blower fan 13 and water wind heat exchanger 14, and blower fan 13 and water wind heat exchanger 14 can be arranged on the below of power model 3, and water wind heat exchanger 14 is communicated with outlet pipe 11 with water inlet pipe 10 respectively, circulate in water wind heat exchanger 14 in order to make coolant, blower fan 13 blow air through water wind heat exchanger 14, and flows to power model 3 after being cooled by water wind heat exchanger 14, in order to cool power model 3.
Wherein water wind heat exchanger 14 network structure that can be made up of the steel pipe communicated with one another, coolant flows through in steel duct, and absorbs the heat flowing through the air of water wind heat exchanger 14.Blower fan 13 blow air is process from the mesh of water wind heat exchanger 14, and air flows to power model 3 after heat is absorbed by the coolant of steel duct, can improve the cooling effect of air to power model 3.
More preferably, as shown in Figure 5 and Figure 6, cabinet 2 inside is provided with homogenating plate 15, homogenating plate 15 is provided with equal air holes 16, and the quantity of equal air holes 16 is identical with the quantity of power model 3, and with power model 3 one_to_one corresponding; In order to regulate the air mass flow flowing through each power model 3.
Form return air channel 17 between the inwall of wherein homogenating plate 15 and cabinet 2, blower fan blow air flows to power model 3 after flowing through water wind heat exchanger 14, enters return air channel 17 afterwards, flow back to blower fan by equal air holes 16, forms a circulation.The quantity of equal air holes 16 is identical with the quantity of power model 3, and with power model 3 one_to_one corresponding, the air mass flow flowing through each power model 3 can be made roughly the same, thus blower fan can be enable to carry out air-cooled to all power models 3, avoid occurring air-cooled dead angle.
Embodiment three
As shown in Figure 7, power cabinet 1 also comprises heat-exchange system in cabinet, and in cabinet, heat-exchange system comprises blower fan 13, and air is blowed to power model 3 by blower fan 13, in order to cool power model 3.
Power cabinet 1 in the present embodiment is with embodiment two difference, and in cabinet, heat-exchange system does not comprise water wind heat exchanger 14, and just adopt blower fan 13 directly air to be blowed to power model 3 pairs of power models 3 and carry out air-cooled, this mode structure is simple, and cost is lower.Power cabinet 1 in the present embodiment also can adopt and arrange homogenating plate 15 and regulate the air mass flow flowing through each power model 3, the structure of homogenating plate 15 and to the Principles of Regulation of air mass flow and identical described in embodiment two, no longer describes in detail herein.
Embodiment four
As shown in Figure 8, a kind of current transformer, comprises peripheral system 18 and the power cabinet described by above any embodiment 1, and power cabinet 1 is electrically connected with peripheral system by ac bus interface or DC bus interface.More preferably, the quantity of power cabinet is two or more, and two or more power cabinet 1 is connected successively by ac bus interface or DC bus interface.Current transformer can with power cabinet 1 for unit be changed, and with the power model that compatibility is different, in current transformer of changing over design, power model selects single problem.
As a kind of embodiment, power cabinet 1 comprises water-cooling system, and the water-cooling system of two or more power cabinet 1 is communicated with successively.
Power cabinet 1 comprises water inlet pipe 10 and outlet pipe 11 described in embodiment two, while two or more power cabinet 1 is connected successively by ac bus interface or DC bus interface, the outlet pipe 11 of power cabinet 1 can close UNICOM with the water inlet of adjacent power cabinet 1, the water-cooling system realizing multiple power cabinet 1 is communicated with successively, and external refrigeration medium source can cool the power model 3 in multiple power cabinet 1 successively.
Above embodiment makes the present invention have: power model functional independence, does not rely on peripheral system, thus reduces the workload of peripheral system design, shortens the construction cycle, and can realize the advantage of the compatibility of multiple power module.
The above embodiment only have expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (13)
1. a power cabinet, is characterized in that:
Described power cabinet (1) comprising: cabinet (2), power model (3) and controller (4), described power model (3) and described controller (4) electrical connection, and be all arranged in described cabinet (2);
Described cabinet (2) is provided with ac bus interface (5) and DC bus interface (6), described power model (3) is electrically connected with described ac bus interface (5) and described DC bus interface (6) respectively, in order to be electrically connected with peripheral system by described ac bus interface (5) or described DC bus interface (6).
2. power cabinet according to claim 1, is characterized in that:
Described ac bus interface (5) comprises rectification side ac bus interface and/or inverter side ac bus interface.
3. power cabinet according to claim 2, is characterized in that:
Described cabinet (2) inwall is provided with the first guide rail (7), described power model (3) is arranged on described first guide rail (7), and can in the upper slip of described first guide rail (7).
4. power cabinet according to claim 2, is characterized in that:
Described cabinet inwall is provided with the second guide rail, and described controller (4) is arranged on described second guide rail, and at described second slide on rails.
5. power cabinet according to claim 2, is characterized in that:
Described power model (3) is for single-phase power module (8) and quantity is the multiple of three, or is three phase power module (9).
6. the power cabinet according to claim 1 to 5 any one, is characterized in that:
Described power cabinet (1) also comprises water-cooling system, and described water-cooling system comprises water inlet pipe (10) and outlet pipe (11);
Described water inlet pipe (10) is communicated with the cooled plate (12) of described power model (3) with external refrigeration medium source respectively, and described outlet pipe (11) is communicated with the cooled plate (12) of described power model (3);
Coolant flows into the cooled plate (12) of described power model (3) by described water inlet pipe (10), and is discharged, in order to cool described power model (3) by described outlet pipe (11).
7. power cabinet according to claim 6, is characterized in that:
Described power cabinet (1) also comprises heat-exchange system in cabinet, and in described cabinet, heat-exchange system comprises blower fan (13) and water wind heat exchanger (14);
Described water wind heat exchanger (14) is communicated with described outlet pipe (11) with described water inlet pipe (10) respectively, circulates in described water wind heat exchanger (14) in order to make coolant;
Described blower fan (13) blow air is through described water wind heat exchanger (14), and flowed to described power model (3), in order to cool described power model (3) by after described water wind heat exchanger (14) cooling.
8. power cabinet according to claim 6, is characterized in that:
Described cabinet (2) inside is provided with homogenating plate (15), described homogenating plate (15) is provided with equal air holes (16), the quantity of described equal air holes (16) is identical with the quantity of described power model (3), and with described power model (3) one_to_one corresponding; In order to regulate the air mass flow flowing through power model described in each (3).
9. the power cabinet according to claim 1 to 5 any one, is characterized in that:
Described power cabinet (1) also comprises heat-exchange system in cabinet, in described cabinet, heat-exchange system comprises blower fan (13), air is blowed to described power model (3) by described blower fan (13), in order to cool described power model (3).
10. power cabinet according to claim 9, is characterized in that:
Described cabinet (2) inside is provided with homogenating plate (15), described homogenating plate (15) is provided with equal air holes (16), the quantity of described equal air holes (16) is identical with the quantity of described power model (3), and with described power model (3) one_to_one corresponding; Described homogenating plate (15) flows through the air mass flow of power model described in each (3) in order to regulate.
11. 1 kinds of current transformers, is characterized in that:
Comprise peripheral system (18) and the power cabinet described in claim 1 to 10 any one (1);
Described power cabinet (1) is electrically connected with described peripheral system (18) by described ac bus interface (5) or described DC bus interface (6).
12. current transformers according to claim 11, is characterized in that:
The quantity of described power cabinet (1) is two or more;
Described two or more power cabinet (1) is connected successively by described ac bus interface (5) or described DC bus (6) interface.
13. current transformers according to claim 12, is characterized in that:
Described power cabinet (1) comprises water-cooling system, and the water-cooling system of described two or more power cabinet (1) is communicated with successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510088908.7A CN104734465B (en) | 2015-02-26 | 2015-02-26 | Power Cabinet and Converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510088908.7A CN104734465B (en) | 2015-02-26 | 2015-02-26 | Power Cabinet and Converter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104734465A true CN104734465A (en) | 2015-06-24 |
| CN104734465B CN104734465B (en) | 2017-10-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510088908.7A Active CN104734465B (en) | 2015-02-26 | 2015-02-26 | Power Cabinet and Converter |
Country Status (1)
| Country | Link |
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| CN (1) | CN104734465B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107492922A (en) * | 2017-07-24 | 2017-12-19 | 许继电源有限公司 | A kind of charging module and the charger using the charging module |
| CN112311298A (en) * | 2020-10-14 | 2021-02-02 | 青岛中加特电气股份有限公司 | Frequency conversion cabinet |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT523608B1 (en) * | 2020-03-05 | 2022-01-15 | Avl List Gmbh | Control cabinet for an electrical converter assembly |
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| US2466007A (en) * | 1944-08-04 | 1949-04-05 | Ohio Crankshaft Co | Power cabinet |
| JPS57119605A (en) * | 1981-01-16 | 1982-07-26 | Tokyo Shibaura Electric Co | Enclosed switchboard |
| CN201007616Y (en) * | 2007-01-15 | 2008-01-16 | 刘建民 | Forced convection cooling device |
| CN102270926A (en) * | 2011-08-26 | 2011-12-07 | 株洲变流技术国家工程研究中心有限公司 | On-vehicle high-power current transformer cooling method and cooling system |
| CN103178723A (en) * | 2013-04-07 | 2013-06-26 | 冶金自动化研究设计院 | High-capacity rectifying water-cooling power cabinet |
| CN103683845A (en) * | 2012-08-30 | 2014-03-26 | 台达电子工业股份有限公司 | Heat dissipation type power converter device |
| CN104022447A (en) * | 2014-06-04 | 2014-09-03 | 中节能风力发电(张北）有限公司 | High-power draught fan converter |
| CN204376690U (en) * | 2015-02-26 | 2015-06-03 | 北京天诚同创电气有限公司 | Power cabinet and current transformer |
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2015
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2466007A (en) * | 1944-08-04 | 1949-04-05 | Ohio Crankshaft Co | Power cabinet |
| JPS57119605A (en) * | 1981-01-16 | 1982-07-26 | Tokyo Shibaura Electric Co | Enclosed switchboard |
| CN201007616Y (en) * | 2007-01-15 | 2008-01-16 | 刘建民 | Forced convection cooling device |
| CN102270926A (en) * | 2011-08-26 | 2011-12-07 | 株洲变流技术国家工程研究中心有限公司 | On-vehicle high-power current transformer cooling method and cooling system |
| CN103683845A (en) * | 2012-08-30 | 2014-03-26 | 台达电子工业股份有限公司 | Heat dissipation type power converter device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107492922A (en) * | 2017-07-24 | 2017-12-19 | 许继电源有限公司 | A kind of charging module and the charger using the charging module |
| CN112311298A (en) * | 2020-10-14 | 2021-02-02 | 青岛中加特电气股份有限公司 | Frequency conversion cabinet |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104734465B (en) | 2017-10-10 |
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