DC MOTOR
DC engines are movement parts that take electrical power as immediate flow (or some controlled type of direct flow) and convert it into mechanical pivot. The engines do this using attractive fields that emerge from the electric flows to goad turn of a rotor settled with a yield shaft. Yield torque and speed relies upon the electrical information and engine plan.
An immediate flow (DC) engine is an electric machine that changes over electrical vitality to mechanical vitality.
As indicated by the most well-known industry naming traditions of today, there are three DC engine subtypes: DC brush engines, DC changeless magnet (PM) engines, and DC general engines. As we'll see, there are a few provisos and sub-characterizations.
Numerous bigger DC engines still utilize brushes and wound fields, yet PM engines overwhelm partial and fundamental torque applications beneath 18 hp. All things considered, PM engines are progressively normal for heap structures.
What are DC brush engines and what sorts are there?
Pittman-Series-8000-Brush-DC-Servo-Motors
These are Pittman Series 8000 DC brush servomotors.
A few specialists call DC brush engines wound-field engines, since it's an injury and lacquered curl of copper wire that makes the electromagnetic field. A few designers additionally contend that all DC engines are brush DC engines, and that the expression "brushless DC engine" is a misnomer.
Regardless of the term, there are lasting magnet, shunt, arrangement, and compound-injury brush DC engines.
All with the exception of the previous utilize two flows:
1. Current through armature (rotor) windings to connect with a stator attractive field (for yield of mechanical revolution) and
2. Current through stator windings to make the attractive field being referred to.
Interestingly, perpetual magnet brush DC engines use:
1. Current through armature (rotor) windings to interface with a stator attractive field (for yield of mechanical turn) and
2. Lasting magnets on the stator to make the attractive field being referred to.
The armature and field curls in a shunt-wound engine associate in parallel so the field current is corresponding to the heap on the engine.
The armature and field curls in arrangement wound engine associate in arrangement so current goes just through the field loops.
The armature and field curls in compound-injury engines incorporate both arrangement and shunt windings.
Regardless of the setup, brush DC engines have commutators and brush contacts to pass current to the turning rotor's copper-wire windings. Architects can control speed by changing rotor voltage (and current with it) or by changing the attractive transition among rotor and stator through modifications of the field-winding current. Brush introduction to the rotor's commutator bar fragments mechanically controls the stage recompense.
An immediate flow (DC) engine is an electric machine that changes over electrical vitality to mechanical vitality.
As indicated by the most well-known industry naming traditions of today, there are three DC engine subtypes: DC brush engines, DC changeless magnet (PM) engines, and DC general engines. As we'll see, there are a few provisos and sub-characterizations.
Numerous bigger DC engines still utilize brushes and wound fields, yet PM engines overwhelm partial and fundamental torque applications beneath 18 hp. All things considered, PM engines are progressively normal for heap structures.
What are DC brush engines and what sorts are there?
Pittman-Series-8000-Brush-DC-Servo-Motors
These are Pittman Series 8000 DC brush servomotors.
A few specialists call DC brush engines wound-field engines, since it's an injury and lacquered curl of copper wire that makes the electromagnetic field. A few designers additionally contend that all DC engines are brush DC engines, and that the expression "brushless DC engine" is a misnomer.
Regardless of the term, there are lasting magnet, shunt, arrangement, and compound-injury brush DC engines.
All with the exception of the previous utilize two flows:
1. Current through armature (rotor) windings to connect with a stator attractive field (for yield of mechanical revolution) and
2. Current through stator windings to make the attractive field being referred to.
Interestingly, perpetual magnet brush DC engines use:
1. Current through armature (rotor) windings to interface with a stator attractive field (for yield of mechanical turn) and
2. Lasting magnets on the stator to make the attractive field being referred to.
The armature and field curls in a shunt-wound engine associate in parallel so the field current is corresponding to the heap on the engine.
The armature and field curls in arrangement wound engine associate in arrangement so current goes just through the field loops.
The armature and field curls in compound-injury engines incorporate both arrangement and shunt windings.
Regardless of the setup, brush DC engines have commutators and brush contacts to pass current to the turning rotor's copper-wire windings. Architects can control speed by changing rotor voltage (and current with it) or by changing the attractive transition among rotor and stator through modifications of the field-winding current. Brush introduction to the rotor's commutator bar fragments mechanically controls the stage recompense.
DC MOTOR
Reviewed by reis-inet
on
Ocak 15, 2019
Rating:
Reviewed by reis-inet
on
Ocak 15, 2019
Rating:
Hiç yorum yok