High-power water-cooling unit structure formed based on IGCT thyristors
A technology of unit structure and thyristor, which is applied in the direction of output power conversion devices, electrical components, and structural components of electrical equipment, can solve the problems of large waste of space occupied by the project, uncompact structure, and low degree of device integration, and achieve Time saving, compact effect
Active Publication Date: 2021-06-15
TSINGHUA UNIV +1
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Problems solved by technology
In the prior art, the design of the high-power unit structure composed of IGCT thyristors has disadvantages such as low degree of device integration, uncompact structure, and large waste of engineering space, which leads to inconvenient disassembly and maintenance when the unit structure fails.
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[0024] 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 accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0025] figure 1 Shown is a three-dimensional diagram of the structure of a high-power water-cooled unit composed of IGCT thyristors. figure 2 Shown is the front view of the internal structure of the high-power unit composed of IGCT thyristors. to combine figure 1 and figure 2 The main components of the high-power water-c...
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The invention relates to a high-power water-cooling unit structure formed based on IGCT thyristors. The unit structure mainly comprises an overall frame assembly, a unit bottom plate, a rear-end direct-current supporting capacitor assembly module, a supporting capacitor connecting copper bar assembly and a valve string module structure formed by front-end IGCT thyristors. The valve string module structure formed by the IGCT thyristors is composed of a water-cooled reactor, a buffer loop capacitor assembly, a valve string module frame structure, a bypass switch, a voltage-sharing resistor, an IGCT power supply, a unit water inlet and outlet pipe, a unit driving device and an IGCT valve string structure. All modules, units and devices are integrated and uniformly arranged in one unit, so that high integration of the unit structure is realized. All modules and units can be independently mounted, dismounted and maintained, so that the mounting and wiring time is effectively saved.
Description
technical field [0001] The invention relates to a high-power unit structure composed of an IGCT (integrated gate commutation thyristor) thyristor, and belongs to the technical field of power system grid devices and frequency converters. The medium and high voltage power unit is used in electric power, metallurgy, railway and other fields that use thyristor as the core device. Background technique [0002] Since the application of IGCT in the converter device in 1997, great progress has been made in many aspects such as power, reliability, efficiency, cost, etc., and at the same time, it has promoted the leap of the complete set of power electronic devices. The converter device applied by IGCT has its unique advantages It has been widely valued and applied. For example, the IGCT converter device is widely used in medium and high voltage frequency converters, and its advantages are constantly emerging, and its superior electrical performance has great potential for developmen...
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Login to View More IPC IPC(8): H02M1/00H05K7/20
CPCH02M1/00H05K7/20218
Inventor 曾嵘白羽赵彪余占清蔡放刘滨胡茂良崔康生汤雪腾
Owner TSINGHUA UNIV