Articles liés à SOLID STATE DRIVES

9788194482536: SOLID STATE DRIVES

Synopsis

UNIT I - DRIVE CHARACTERISTICS Electric drive – Equations governing motor load dynamics – steady statestability – multi quadrant Dynamics: acceleration, deceleration, starting &stopping – typical load torque characteristics – Selection of motor.UNIT II - CONVERTER / CHOPPER FED DC MOTORDRIVESteady state analysis of the single and three phase converter fed separatelyexcited DC motor drive– continuous conduction –Time ratio and current limitcontrol – 4 quadrant operation of converter / chopper fed drive-Applications.UNIT III - INDUCTION MOTOR DRIVESStator voltage control–V/f control– Rotor Resistance control-qualitativetreatment of slip power recovery drives-closed loop control–– vector control-Applications.UNIT IV - SYNCHRONOUS MOTOR DRIVESV/f control and self-control of synchronous motor: Margin angle control andpower factor control - Three phase voltage/current source fed synchronousmotor- Applications.UNIT V - DESIGN OF CONTROLLERS FOR DRIVESTransfer function for DC motor / load and converter – closed loop controlwith Current and speed feedback–armature voltage control and fieldweakening mode – Design of controllers; current controller and speedcontroller- converter selection and characteristics.

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