Thyristor valve module for horizontal water-cooled static var compensator
A technology of static var compensation and thyristor valve, applied in reactive power compensation, reactive power adjustment/elimination/compensation, semiconductor devices, etc., can solve problems such as inflexible usage, unbalanced heat dissipation efficiency, and high engineering site requirements. Achieve the effects of improving system stability, compact structure, and high space utilization
Active Publication Date: 2016-01-20
STATE GRID CORP OF CHINA +2
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AI Technical Summary
Problems solved by technology
[0003] 1. The number of components is large, the installation and wiring are complicated, and the system stability is poor;
[0004] 2. The water-cooling system needs distribution and distribution, which is not easy to control, which can lead to unbalanced heat dissipation efficiency;
[0005] 3. The way of use is not flexible enough. Different capacity and different voltage levels require different valve group structures, and the cost is high;
[0006] 4. High requirements on the project site and large floor area
Method used
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Embodiment Construction
[0031] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0032] The invention provides a thyristor valve module for a horizontal water-cooled static var compensator. The thyristor valve module has the characteristics of flexible use, high reliability, common structure and compact type.
[0033] According to actual working conditions, each thyristor valve module is an independent unit with the same configuration. Select the thyristor and other component models according to the electrical parameters of the system, and determine the number of thyristor valve modules required for each phase and the superposition combination method, such as Figure 1-2 shown.
[0034] The top view of the thyristor valve module 7 provided by the present invention is as follows image 3 As shown, the thyristor valve module 7 includes a thyristor valve string unit 1, a main frame unit 2, a TE plate ...
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The invention relates to a thyristor valve module for a horizontal water-cooling static var compensator. The thyristor valve module (7) comprises a thyristor valve string unit (1), a main frame unit (2), a TE plate assembly unit (3), a resistance-capacitance protection unit (4) and a water-cooling pipeline unit (5) and is characterized in that the thyristor valve module is of a cuboid structure in the shape; the thyristor valve string unit (1), the TE plate assembly unit (3), the resistance-capacitance protection unit (4) and the water-cooling pipeline unit (5) are respectively arranged on the main frame unit (2); and the thyristor valve modules of power electronics equipment are identical in structure. All the units in the thyristor are mutually independent assemblies with different functions, can be arranged in parallel and are strong in interchangeability, convenient to assemble and disassemble and capable of improving the system stability.
Description
technical field [0001] The invention relates to a water-cooled thyristor module, in particular to a thyristor valve module used in horizontal water-cooled static var compensators with different voltage levels in power electronic technology of power systems. Background technique [0002] Thyristors are currently the most widely used valve components. In high-voltage and high-current applications, several thyristors are usually connected in series, and the thyristor valve group is the core component of the static var compensator (SVC). In power systems and industrial users, static var compensators are generally used to enhance system power transmission capacity, improve system stability, and suppress harmonic oscillation. The structure of the thyristor valve group includes the installation of electrical components such as thyristors, heat dissipation, electromagnetic compatibility, and high-voltage insulation. In order to ensure the normal operation of the thyristor component...
Claims
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IPC IPC(8): H02J3/18H01L25/00H01L23/473
CPCY02E40/30
Inventor 张雷常忠王承民王爱袁洪亮任西周郎平
Owner STATE GRID CORP OF CHINA