MMC power module-level fault and protection logic dynamic simulation system and method
A power module and protection logic technology, which is applied in the field of MMC power module-level fault and protection logic dynamic simulation system, can solve the problems of poor versatility and poor precision, achieve accurate fault simulation results, and improve versatility and scalability.
Active Publication Date: 2019-09-06
ELECTRIC POWER RESEARCH INSTITUTE, CHINA SOUTHERN POWER GRID CO LTD +1
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[0006] The embodiment of the present invention provides an MMC power module level fault and protection logic dynamic simulation system, method and storage medium, which can effectively solve the problems of simple simulation, poor versatility and poor precision in the prior art
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[0062] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. 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.
[0063] see figure 1 , is a schematic structural diagram of an MMC power module-level fault and protection logic dynamic simulation system provided in Embodiment 1 of the present invention, including a first simulation module 101, a second simulation module 102, an MMC valve control device, and a control and protection device;
[0064] The first simulation module 101 includes a first logic processor 111 and an MMC valve simulator 121, and the MMC valve simulator 121...
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The invention discloses an MMC power module-level fault and protection logic dynamic simulation system. The system comprises a first simulation module, a second simulation module, an MMC valve controldevice and a control protection device, wherein the first simulation module comprises a first logic processor and an MMC valve simulator; the MMC valve simulator is used for simulating an MMC valve;the second simulation module comprises a second logic processor and an MMC external circuit simulator; the MMC external circuit simulator is used for simulating an MMC external circuit; the first logic processor establishes a power module-level fault and protection logic simulation rule, in specific, establishes a power module-level fault and protection logic information library, establishes a processing logic information library and defines a fault control word grammar; and the second logic processor establishes a power module-level fault and protection action trigger logic. The system disclosed by the invention is capable of solving the problem that only simple simulation can be carried out, the generality is relatively bad and the precision is relatively bad in the prior art. The invention further discloses an MMC power module-level fault and protection logic dynamic simulation method and a storage medium.
Description
technical field [0001] The invention relates to the technical field of real-time simulation, in particular to an MMC power module-level fault and protection logic dynamic simulation system and method. Background technique [0002] Modular multilevel converter (MMC) has the advantages of modular design, strong scalability, flexible operation of four-quadrant power, less AC voltage harmonics, and small footprint. , wind farm access and other fields have been extensively researched and utilized. my country has completed Nan'ao multi-terminal flexible direct transmission project, Yunnan asynchronous networking project, Shanghai Nanhui flexible direct transmission project, Zhoushan five-terminal flexible direct transmission project, Xiamen flexible direct transmission project, and the UHV multi-terminal DC demonstration project of Guangdong Guangxi UHV multi-terminal direct current transmission project under construction in Wudongde power station Both the Zhangbeirou direct power...
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IPC IPC(8): G05B17/02
CPCG05B17/02
Inventor 陈钦磊郭琦饶宏郭海平林雪华黄立滨李书勇曾冠铭罗炜
Owner ELECTRIC POWER RESEARCH INSTITUTE, CHINA SOUTHERN POWER GRID CO LTD