AC-DC hybrid grid cascading failure fragile source identification method
A technology of AC-DC hybrid connection and cascading faults, which is applied in the direction of AC-DC network circuit layout, fault location, and measurement of electricity, can solve problems such as endangering other components and fault spread, reduce work intensity and pressure, and operate in a reasonable and reliable manner , the effect of shortening the compilation cycle
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[0019] In order to understand the above-mentioned purpose, features and advantages of the present invention more clearly, the technical solutions of the present invention will be described in further non-limiting detail below in conjunction with the accompanying drawings and specific embodiments.
[0020] figure 1 The identification method of the vulnerable source of cascading faults in the AC-DC hybrid grid includes the following steps:
[0021] Step 1. Data read in:
[0022] Select the corresponding BPA data file under this operation mode, use the custom data interface module to analyze the original data report in BPA power flow format containing the network structure and operation data of the evaluated power system, and perform power flow calculation for the AC / DC hybrid power system .
[0023] Step 2. Component vulnerability analysis:
[0024] a) Calculate the vulnerability of each component, which is related to the initial grid operation mode and grid structure;
[00...
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