A redundant topology structure for a triangular circuit
A topology and triangular technology, applied in the direction of circuit devices, electrical components, emergency power supply arrangement, etc., can solve the problem of low utilization rate of redundant sub-modules, improve economy and reliability, ensure normal operation, and improve utilization rate Effect
Active Publication Date: 2019-01-18
ELECTRIC POWER RESEARCH INSTITUTE, CHINA SOUTHERN POWER GRID CO LTD
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[0007] The embodiment of the present invention provides a redundant topology structure of a triangular circuit, which can effectively solve the problem in the prior art that each redundant sub-module can only meet the redundancy requirements of its phase and the utilization rate of the redundant sub-module is low
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[0025] 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 are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.
[0026] See figure 1 , Is a schematic diagram of a redundant topology structure of a triangular circuit provided in the first embodiment of the present invention, including: a first sub-module, a second sub-module, a third sub-module, a first redundant sub-module, and a second redundant sub-module Module, third redundant sub-module, first switch, second switch, third switch, fourth switch, fifth switch and sixth switch;
[0027] One end of ...
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The invention discloses a redundant topology structure of a triangular circuit, which includes a first sub-module, a second sub-module, a third sub-module, a first redundancy sub-module, a second redundancy sub-module, a third redundancy sub-module, a first switching switch, a second switching switch, a third switching switch, a fourth switching switch, a fifth switching switch and a sixth switching switch. One end of the redundant sub-module is connected with a phase line, and the other end is connected with two adjacent sub-modules through a switching switch. The invention discloses a redundancy topology structure of a triangular circuit, which can effectively solve the problem that each redundancy sub-module of the prior art can only meet the redundancy requirement of the phase in whichthe redundancy sub-module is located, and the utilization ratio of the redundancy sub-module is low.
Description
Technical field [0001] The invention relates to the field of redundant topological structures, in particular to a redundant topological structure of a triangular circuit. Background technique [0002] At present, power electronic technology has been widely used in the generation, transmission, distribution, and utilization stages of the power system, and is an important technology in the development and upgrading of the future power grid. Power electronic equipment makes the power grid more efficient and controllable, and makes the application of electric energy more flexible. At the same time, it also brings many potential problems. Equipment reliability is one of them. [0003] Compared with traditional power equipment composed of ferromagnetic materials and windings, power electronic equipment has a weaker withstand voltage and current capacity. In some high-voltage and high-power applications, multiple power electronic devices need to be used in series and parallel to meet the ...
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IPC IPC(8): H02J9/06
CPCH02J9/06
Inventor 聂少雄
Owner ELECTRIC POWER RESEARCH INSTITUTE, CHINA SOUTHERN POWER GRID CO LTD