Passive sliding mode control method of chaotic oscillation of power system
A power system and control method technology, applied in the direction of reducing/preventing power oscillation, electrical components, circuit devices, etc., can solve the problems of discontinuity of control law, chattering of control output results, etc., to suppress chaotic oscillation, strong robustness awesome effect
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[0071] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0072] Such as figure 1 As shown, the present invention is a passive sliding mode control method of power system chaotic oscillation, which adopts a control strategy combining passive control and sliding mode control; when the system state is in the sliding mode region, the sliding mode variable structure control is adopted ; When the system state enters the sliding mode switching region, the sliding mode variable structure control is switched to passive control.
[0073] Specifically follow the steps below:
[0074] Step 1. Establish a mathematical model of the interconnected two-machine power system according to the dynamic equation;
[0075] The specific process of step 1 is as follows:
[0076] The mathematical model is:
[0077]
[0078] In the formula, δ=δ 1 -δ 2 is the relative electrical angle of the q-axis potential of the e...
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