Special Machines | Electrical Machines
Subject and UNIT: Electrical Machines II: UNIT V: b. Special Machines Engineering Electrical Machines - II
Engineering Electrical Machines - II : UNIT V : Special Machines : Anna University Questions with Answers (Long Answered Questions)
Special Machines | Electrical Machines
Subject and UNIT: Electrical Machines II: UNIT V: b. Special Machines Engineering Electrical Machines - II
Engineering Electrical Machines - II : UNIT V : Special Machines : Anna University Two Marks Questions & Answers
Subject and UNIT: Electrical Machines II: UNIT V: b. Special Machines Engineering Electrical Machines - II
Two fundamental principles are involved for studying the concept of magnetic levitation. The first principle is in the form of a law which is suggested by Michael Faraday commonly known as Faraday's laws of electromagnetic induction.
Construction, Working Principle, Characteristics, Types, Applications
Subject and UNIT: Electrical Machines II: UNIT V: b. Special Machines Engineering Electrical Machines - II
Stepper motor is known by its important property to convert a train of input pulses i.e. a square wave pulses into a precisely defined increment in the shaft position. Each pulse moves the shaft through a fixed angle.
Subject and UNIT: Electrical Machines II: UNIT V: b. Special Machines Engineering Electrical Machines - II
1. Comparison between A.C. and D.C. Servomotor, 2. Comparison between Armature Controlled and Field Controlled D.C. Servomotors
Construction, Working Principle, Torque-speed Characteristics, Applications
Subject and UNIT: Electrical Machines II: UNIT V: b. Special Machines Engineering Electrical Machines - II
Basically d.c. servomotor is more or less same as normal d.c.motor. There are some minor differences between the two.
Construction, Working Principle, Torque-speed Characteristics, Features, Applications
Subject and UNIT: Electrical Machines II: UNIT V: b. Special Machines Engineering Electrical Machines - II
Most of the servomotors used in low power servomechanisms are a.c. servomotors. The a.c. servomotor is basically two phase induction motor
Requirements, Types
Subject and UNIT: Electrical Machines II: UNIT V: b. Special Machines Engineering Electrical Machines - II
The servo system is one in which the output is some mechanical variable like position, velocity or acceleration. Such systems are generally automatic control systems which work on the error signals.
Construction, Working Principle, Applications, Solved Example Problems
Subject and UNIT: Electrical Machines II: UNIT V: b. Special Machines Engineering Electrical Machines - II
The flux produced by the flat stator moves linearly with the synchronous speed from one end to the other.
Construction, Working Principle, Characteristics
Subject and UNIT: Electrical Machines II: UNIT V: b. Special Machines Engineering Electrical Machines - II
Repulsion motors work on the principle of repulsion between two magnetic fields. These motors give excellent performance characteristics.
Construction, Working Principle, Torque-speed Characteristics, Advantages, Limitations
Subject and UNIT: Electrical Machines II: UNIT V: b. Special Machines Engineering Electrical Machines - II
The commutator is a feature of d.c.motors. But a.c. motors having wound rotor with brushes and commutator arrangements, are called commutator motors which work on single phase a.c. supply.
Construction, Working Principle, Torque-speed Characteristics, Advantages, Limitations
Subject and UNIT: Electrical Machines II: UNIT V: b. Special Machines Engineering Electrical Machines - II
This is the synchronous motor which does not require any d.c. excitation to the rotor and it uses non projected poles.