A risk assessment method for power grid planning schemes that takes into account the operation mode of the power system
An operation mode and power system technology, applied in computing, data processing applications, instruments, etc., can solve problems such as ignoring the randomness of input data, huge differences in system risks, and huge differences in planning schemes, so as to ensure safety and reduce power grid security. Accidents, wide-ranging effects
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[0067] Such as Figure 1-9 As shown, the invention of this example provides a risk assessment method of the power grid planning scheme that takes into account the system operation mode. Aiming at the deficiency of not considering the probability of the operation mode in the risk assessment of the power grid planning scheme, the method adopts low time complexity and robustness A good multi-dimensional K-means clustering algorithm can accurately classify load and power generation data, establish a multi-level clustering model of load and power generation levels, and combine the power grid maintenance plan to find the annual typical operation mode and its probability; in the annual typical On the basis of the operation mode, based on the time domain simulation, the analytical method is used to evaluate the transient safety risk of the system.
[0068] The risk assessment method of the power grid planning scheme provided by the present invention, which is included in the system op...
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