Page 17 - Electric Machinery Fundamentals

TABLE OF CONTENTS xvii

8.7 The Compounded DC Motor 500
The Torqlje~Speed Characteristic of a Cumui(J.tively
Compounded DC Motor / The Torque-Speed
Characteristic of a Differentially Compounded DC Motor /
The Nonlinear Analysis of Compounded DC Motors /
Speed Control in the Cumulatively Compounded DC Motor
8.8 DC Motor Starters 505
DC MOlor Problems on Starting / DC Motor Starting
Circl/its
8.9 The Ward-Leonard System and Solid-State Speed Controllers 514
Protection Circuit Section I Start/Stop Circuit Section /
High-Power Electronics Section / Low-Power Electronics
Section
8.10 DC Motor Efficiency Calculations 524
8.11 Introduction to DC Generators 526
8.12 The Separately Excited Generator 528
The Terminal Characteristic of a SeparateLy Excited DC
Generator / Control of Termina! Voltage / Nonlinear
Analysis of a Separately Excited DC Generator
8.13 The Shunt DC Generator 534
Voltage Buildup in a Shunt Generator / The Terminal
Characteristic of a Shulll DC Generator / Voltage Control
for a Shwll DC Gen.erator / The Analysis of Shullt DC
Generators
8.14 The Series DC Generator 540
The Terlllinal Characteristic of a Series Generator
8.15 The Cumulatively Compounded DC GeneraLor 543
The Terminal Characteristic of a Cumulatively
Compounded DC Generator / Voltage Control oj
Cumulatively Compounded DC Generators / Analysis of
Cumulatively Compounded DC Generators
8.16 The Differentially Compounded DC Generator 547
The Terminal Characteristic ofa Dijferelllially
Compounded DC Generator / Voltage Control oj
Differentially Compounded DC Generators / Graphical
Analysis oj a Differentially Compounded DC Generator
8.17 Summary 551
Questions 552
Problems 553
References 564