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Electric motors are the core driving units for high speed train consisting of locomotives and carriages. This paper investigates high precision speed control of the driving motor systems. More specifically, the problem of speed and back e.m.f control of motors via automatically regulating armature and field voltage is studied. The underlying system is inherently nonlinear with unknown and time-varying...
This paper explores the possibility of using normal form method for transient stability analysis of grid-connected squirrel cage induction generators (SCIG) considering with rotor electrical transients. The theory of nonlinear dynamic system for power system stability boundary approximation is introduced briefly. The third-order state equations of SCIG equivalent to a synchronous generator with the...
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