Thyristor Controlled Power For Electric Motors

Thyristor Controlled Power For Electric Motors

Contents
  • Power Electronics And Rotating Electric Drives
  • Introduction
  • Power Electronics
  • The Thyristor
  • Rotating Electric Drives
  • The Direct Current Drive
  • The Alternating Current Drive
  • Choice Of Drive And Control System
  • References And Bibliography
  • The Thyristor
  • Introduction
  • Semiconductors
  • The Diode
  • The Transistor
  • Cutoff
  • Linear Region
  • Saturation
  • The Thyristor
  • The Diode Model Of The Thyristor
  • The Two Transistor Model Of The Thyristor
  • Thyristor Characteristics
The Thyristor Reverse Biased
  • The Thyristor Forward Biased And Blocking
  • The Thyristor Forward Biased And Conducting
  • Light Tum On
  • Gate Tum On
  • Breakover Voltage Turn On
  • Thyristor Turn Off
  • Ways Of Turnoff
  • Natural Commutation
  • Reverse Bias Turnoff
  • Gate Turnoff
  • Thyristor Turnoff Time
  • Thyristor Controlled Power For Electric Motors
  • Thyristor Ratings
  • Voltage Ratings
  • Current Rating
  • Power Rating
  • Load Current Forward Conduction Loss
  • Forward Leakage Power Loss
  • Reverse Leakage Power Loss And Turnoff Loss
  • Gate Power Loss
  • Turnon Loss
Intermittent Ratings
  • Thyristor Manufacture
  • Thyristors In Circuits
  • Thyristors In Series
  • Thyristors In Parallel
  • Circuits To Turn On Thyrsitors
  • Direct Current Firing Signals
  • Pulse Firing Signals
  • Alternating Current Firing Signals
  • Circuits To Turnoff Thyristors
  • Self Commutation By Resonance
  • Auxiliary Resonant Turnoff
  • Parallel Capacitance Turnoff
  • Series Capacitance Turnoff
  • Thyristor Protection Circuits
  • Overvoltage
  • Voltage Surges
  • Relative Merits Of Thyristors
  • The Bidirectional Triode Thyristor
  • Summary
  • Worked Examples
References And Bibliography
  • Problems
  • Induction Motor Control
  • Introduction
  • Induction Motor Starting
  • Induction Motor Speed Control
  • Thyristor Systems For Speed Control
  • Thyristor Controlled Power For Electric Motors
  • The Alternating Current Switch
  • Worked Example
  • Inverters
  • Inverter Classification
  • A C Inverter For A Single Phase Induction Motor
  • Analysis Of A C Inverter With Resistive
  • Load
  • A Class Inverter For A Three Phase Induction
  • Motor
  • Inverter Commutation
  • The Mc Mu “Ay Inverter
  • Worked Example
  • The Mc Murray Bedford Inverter
  • Auxiliary Commutating Supply
Voltage Proportional To Frequency