Converter with air-cooling heat dissipation structure
A technology of heat dissipation structure and converter, applied in cooling/ventilation/heating transformation, output power conversion device, cooling/ventilation of substation/switchgear, etc. It can improve the maintainability, the internal structure is compact, and the layout is beautiful.
Active Publication Date: 2017-01-11
CSR ZHUZHOU ELECTRIC LOCOMOTIVE RES INST
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Problems solved by technology
At present, there is no air-cooled heat dissipation converter with a similar structure in the prior art, and the existing air-cooled heat dissipation converters cannot simultaneously meet the requirements of miniaturization, light weight, compact structure, excellent heat dissipation effect, and high stability requirements
Method used
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[0057] For the sake of reference and clarity, the technical terms, abbreviations or abbreviations used below are recorded as follows:
[0058] Crowbar: crowbar circuit, a protection circuit for a converter;
[0059] UPS: Uninterruptible Power Supply, short for uninterruptible power supply.
[0060] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Apparently, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0061] as attached figure 1 to attach Figure 12 As...
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The invention discloses a converter with an air-cooling heat dissipation structure. The converter comprises a switch cabinet, a control cabinet and a power cabinet, wherein the switch cabinet comprises a pre-charging assembly, a stator contactor, a network side contactor, a main circuit breaker and a network side inlet area which are sequentially arranged from top to bottom; the control cabinet comprises a first layer, a second layer and a third layer which are sequentially arranged on different levels from top to bottom; the first layer comprises a low-voltage control electrical panel assembly, a Crowbar module and a chopper module; the second layer comprises a high-voltage control electrical panel assembly, a capacitor assembly and a UPS; the third layer comprises a network side reactor and an external signal interface assembly; the power cabinet comprises a pulse distribution module, a combined resistor, a power module, a centrifugal fan and a machine side reactor; the pulse distribution module and the combined resistor are arranged at the upper part of the power cabinet; and the power module, the centrifugal fan and the machine side reactor are sequentially arranged at the lower parts of the pulse distribution module and the combined resistor from top to bottom. The converter with the air-cooling heat dissipation structure is compact in structure, smaller in volume, lower in cost, better in heat dissipation effect and easy to repair and replace.
Description
technical field [0001] The invention relates to the field of heat dissipation of electrical equipment, in particular to a converter with an air-cooled heat dissipation structure applied to a megawatt-level wind power converter. The invention can also be applied to an air-cooled heat dissipation structure converter in a similar field device. Background technique [0002] As a clean and renewable energy widely used at present, wind energy has been paid more and more attention by countries all over the world. my country has a vast territory and abundant wind energy resources. In recent years, national policies have also vigorously supported the wind power industry. At present, most wind power generators developed and put into production by most wind power machine manufacturers are mostly megawatt-class doubly-fed wind power generators. Among them, the megawatt-class doubly-fed wind power converter is the core component of the wind turbine. [0003] In megawatt wind power con...
Claims
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IPC IPC(8): H02M1/00H02B1/56H02B1/20H02B1/04H05K7/20
Inventor 李勇黄敏佘岳孙胜苗刘诚成陈明王新泽王强
Owner CSR ZHUZHOU ELECTRIC LOCOMOTIVE RES INST