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The large-scale unit power plant is a typical multiple-inputs and multiple-outputs system, which is of time-delaying, time-varying, nonlinear, strong coupling, and dynamic characteristics variation characteristics. The coordinated control system is the most important and complex system in thermal power plant, and its control effect affects the operating condition of the unit. The PID neural network...
This paper proposes an optimized space vector modulation method for the switching loss reduction of the Neutral-Point-Clamped Three-Level Inverter (NPC-TLI). The main contributions are: 1) several different sequence patterns of the space vectors are compared and an optimized sequence pattern with low switching loss and low current THD is selected; 2) a new Discontinuous Pulse-Width-Modulation clamped...
The condition of thermal power plant of some SINOPEC is simply introduced first, after choosing its receiving operation, enterprise internal power's dynamic frequency characteristic mechanism has been analyzed under external fault condition, and then arriving at a conclusion that the dynamic frequency characteristic has something to do with active power shortage and frequency adjustment effect modulus...
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