Penggunaan Mesin Elektrik (EP 4075)Semester I- 2011/2012

Waktu KuliahSelasa : 14.00-15.00Jumat: 13.00-15.00Ruang : LPKEE ITB

SILABUS (1)INTRODUCTIONREVIEW of DC MACHINES CHARACTERISTICSPHASE CONTROLLED DC MOTOR DRIVESCHOPPER CONTROLLED DC MOTOR DRIVESREVIEW of POLYPHASE INDUCTION MACHINES

SILABUS (2)PHASE CONTROLLED INDUCTION MOTOR DRIVESFREQUENCY CONTROLLED INDUCTION MOTOR DRIVESVECTOR CONTROLLED INDUCTION MOTOR DRIVESPERMANENT MAGNET AND BRUSHLESS DC MOTOR DRIVES

REFERENSIR.Krisnan, Electric Motor Drives- Modeling, Analysis and Control, Prentice Hall, 2001.Timothy L. Skavarenina, The Power Electronics Hand Book, CRC Press,2002.Malcolm Barnes, Practical Variable Speed Drives & Power Electronics, Elsevier,2003.

INTRODUCTION

The Needs for VSDMatch the speed of a drive to the process requirement Match the torque of a drive to the process requirementsSave energy and improve efficiency

Fundamental Principles

Rotational Acceleration

Acc & Dec in Forward Direction

Acc.& Dec. In Reverse Direction

Power & Energy

Torque & Moment of Inertia

Transformation from Rotational to Linear motion

Four Quadrant Operation

Torque-speed curves for a Motor car

Types of VSD

(a) Typical mechanical VSD with an AC motor as the prime mover; (b) Typical hydraulic VSD with an AC motor as the prime mover; (c) Typical electromagnetic coupling or Eddy Current coupling; (d) Typical electrical VSD with a DC motor and DC voltage converter; (e) Typical electrical VSD with an AC motor and AC frequency converter; (f) Typical slip energy recovery system or static Kramer system;

VSD Categories

Typical Mechanical VSD