User defined simulation method for electrical power system based on mixed variable step size stimulation
A user-defined, power system technology, applied in the field of simulation, can solve the problems that the fixed-step simulation main program hybrid variable-step-size UD simulation method has not yet been realized, the self-defined model calculation does not converge, and the simulation accuracy and efficiency are affected. Achieve the effect of improving calculation convergence, reducing possibility, and improving calculation speed
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[0023] The present invention will be further described in detail below in conjunction with the drawings.
[0024] The present invention provides a power system user-defined simulation method based on hybrid variable step size simulation. The method includes the following steps:
[0025] Step 1: Preprocessing of user-defined model;
[0026] Step 2: Initialization of the user-defined model;
[0027] Step 3: Simulation calculation of user-defined model.
[0028] In the step 1, the control parameters of the simulation calculation are set, and the preprocessing of the user-defined model is completed;
[0029] The control parameters of the simulation calculation include the subdivision step size multiple, the start time of the hybrid variable step size simulation and the end time of the hybrid variable step size simulation.
[0030] In the step 2, it is judged whether the start time of the hybrid variable step size simulation is zero time, if it is, the initial calculation is performed accordin...
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