TAILIEUCHUNG - The Control Techniques Drives and Controls Handbook

. motors General Fundamental equations and performance Wound-field motors Permanent-magnet motors Operating principles Commutation Rotation Compensation . PM commutation Construction of the . motor . motor frame . motor armature Brush gear Mountings . PM design Rotor inertia Permanent-magnet materials 2 . induction motors General Fundamental equations and performance Electrical characteristics of induction motors Torque characteristics Voltage-frequency relationship Increased voltage Reduced frequency Slip-ring induction motor Speed-changing motors . induction motor construction 3 . synchronous motors General . synchronous motor construction 4 Brushless servomotors General Principles of operation of brushless servomotors Introduction Torque. | The Control Techniques Drives and Controls Handbook W. Drury Ed. Contents The Control Techniques Drives and Controls Handbook TECHNIQUES THE INSTITUTION OF ELECTRICAL ENGINEERS Preface xiii- -xix Relationships between torque and back . constant 19 1 Industrialmotors 1 Stationary torque characteristics 19 Construction of brushless servomotors 20 1 . motors 1 Stator structure 20 General 1 Rotor structure 20 Fundamental equations and performance 2 5 Reluctance motors 21 Wound-field motors 2 6 . commutator motors 22 Permanent-magnet motors 3 7 Mechanical and environmental 22 Operating principles 4 Mounting of the motor 22 Commutation 4 General 22 Rotation 5 IEC 60034-7 standard enclosures 22 Compensation 5 NEMA standard enclosures 22 . PM commutation 6 Degree of protection 24 Construction of the . motor 6 General 24 . motor frame 6 IEC 60034-5 24 . motor armature 6 US practice 25 Brush gear 7 Cooling 26 Mountings 7 General 26 . PM design 7 Air filters 27 Rotor inertia 8 Duty cycles 27 Permanent-magnet materials 8 Continuous duty - S1 28 2 . induction motors 8 Short-time duty - S2 28 General 8 Intermittent duty - S3 28 Fundamental equations and performance 9 Intermittent duty with starting - S4 29 Electrical characteristics of induction motors 9 Intermittent duty with starting and electric Torque characteristics 10 braking - S5 29 Voltage-frequency relationship 11 Continuous operation periodic duty - S6 29 Increased voltage 12 Continuous operation periodic duty with Reduced frequency 12 electric braking - S7 29 Slip-ring induction motor 13 Continuous operation periodic duty with Speed-changing motors 13 related load speed changes - S8 30 . induction motor construction 14 Duty with nonperiodic load and speed 3 . synchronous motors 15 variations - S9 30 General 15 Duty with discrete constant loads - S10 30 . synchronous motor construction 17 Terminal markings and direction of rotation 30 4 Brushless .

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