Synchronous Motor Library

Synchronous Motor Library

➣ Introduction

➣ Rotating Magnetic Field 

       Production of Rotating Magnetic Field

       Direction of Rotating Magnetic Field

➣ Construction of Three Phase Synchronous Motor

➣ Principle of Working

➣ Why Synchronous Motor is Not Self Starting?

➣ Procedure to Start a Synchronous Motor

➣ Methods of Starting Synchronous Motor

       Using Pony Motors

       Using Damper Winding

       As a Slip Ring Induction Motor

       Using Small D.C. Machine

➣ Behaviour of Synchronous Motor on Loading

       Ideal Conduction on No Load

       Synchronous Motor on No Load (With Losses)

       Synchronous Motor on Load

       Constant Excitation Circle

➣ Analysis of Phasor Diagram

➣ Operation of Synchronous Motor at Constant Load Variable Excitation

       Under Excitation

       Over Excitation

       Critical Excitation

➣ V-Curves and Inverted V-Curves

       Experimental Setup to Obtain V-Curves

➣ Expression for Back E.M.F. or Induced E.M.F. Per Phase in Synchronous Motor

➣ Power Flow in Synchronous Motor

➣ Alternatively Expression for Power Developed by a Synchronous Motor

➣ Condition for Maximum Power Developed

       The Value of Maximum Power Developed

       Condition for Excitation When Motor Develops (Pm)max

➣ Blonde Diagram (Constant Power Circle)

➣ Salient Pole Synchronous Motor

➣ Hunting in Synchronous Motor

       Use of Damper Winding to Prevent Hunting

➣ Synchronization With Infinite Bus Bar

➣ Synchronous Condensers

       Disadvantages of Lowe Power Factor

       Use of Synchronous Condenser in Power Factor Improvement

➣ Applications of Three Phase Synchronous Motor

➣ Comparison of Synchronous and Induction Motor

➣ Synchronous Induction Motor

       Performance Characteristics of Synchronous Induction Motors

       Advantages of Synchronous Induction Motor

       Disadvantages of Synchronous Induction Motor

       Applications of Synchronous Induction Motor