Hydroelectric generating set speed regulation system PID parameter setting method and device
A hydroelectric unit and parameter tuning technology, which is used in the control of electromechanical transmissions, control systems, and generators to optimize dynamic characteristics and avoid ultra-low frequency oscillations.
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[0050] 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.
[0051] see figure 1 , is a schematic flow chart of a PID parameter setting method for a speed control system of a hydroelectric unit provided by an embodiment of the present invention, including steps:
[0052] S11. Using a preset simulation model to perform time-domain simulation on the hydroelectric unit, and determine the amplification factor of the proportional link and the corresponding oscillation period when the hydroelectric unit reaches a critical stable s...
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