Nareddula Rajeev Reddy
  In the service of the Lord Sri Venkateswara (my God) and the Great India [my Country]. 
Venkata Krishna Reddy Nareddula

ELECTRICAL DRIVES AND CONTROLS Lecture Notes Study Material PDF

block diagram of electrical drive

Mechanical and other. Units covered: INTRODUCTION, DRIVE MOTOR CHARACTERISTICS, STARTING METHODS, CONVENTIONAL AND SOLID STATE SPEED CONTROL OF D.C. DRIVES and CONVENTIONAL AND SOLID STATE SPEED CONTROL OF A.C. DRIVES.


Topics covered...

  • Basic Elements
  • Types of Electric Drives
  • factors influencing the choice of electrical drives
  • heating and cooling curves
  • Loading conditions and classes of duty
  • Selection of power rating for drive motors with regard to thermal overloading and Load variation factors
  • Mechanical characteristics
  • Speed-Torque characteristics of various types of load and drive motors
  • Braking of Electrical motors
  • DC motors: Shunt, series and compound
  • single phase and three phase induction motors.
  • Types of D.C Motor starters
  • Typical control circuits for shunt and series motors
  • Three phase squirrel cage and slip ring induction motors.
  • Speed control of DC series and shunt motors
  • Armature and field control
  • Ward-Leonard control system
  • Using controlled rectifiers and DC choppers –applications.
  • Speed control of three phase induction motor
  • Voltage control, voltage / frequency control, slip power
  • recovery scheme
  • Using inverters and AC voltage regulators – applications.


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