YASKAWA motor Germany YASKAWA model YASKAWA price

YASKAWA motors are permanent magnet motors controlled by electronic circuit commutation or current control. Permanent magnet brushless motors come in two types: sine wave drive and square wave drive. Those with rectangular wave drive current are commonly referred to as permanent magnet brushless DC motors, while those with sine wave drive current are commonly referred to as permanent magnet AC servo motors. Based on sensor type, they can be classified into sensor-equipped motors and sensorless motors.

YASKAWA motor classification

Motor classification: 1. Classification by power supply: Depending on the motor's working power supply, they can be divided into DC motors and AC motors. AC motors are further divided into single-phase motors and three-phase motors. 2. Classification by structure and operating principle: Motors can be divided into DC motors, asynchronous motors, and synchronous motors based on their structure and operating principle. Synchronous motors can be further divided into permanent magnet synchronous motors, reluctance synchronous motors, and hysteresis synchronous motors. Asynchronous motors can be divided into induction motors and AC commutator motors. Induction motors include three-phase asynchronous motors, etc. Phase asynchronous motors and shaded-pole asynchronous motors, etc. AC commutator motors are further divided into single-phase series-wound motors, AC/DC universal motors, and repulsion motors. 3. Classification by starting and running method: Motors can be divided into capacitor-start single-phase asynchronous motors, capacitor-run single-phase asynchronous motors, capacitor-start-run single-phase asynchronous motors, and split-phase single-phase asynchronous motors based on their starting and running methods. 4. Classification by application: Motors can be divided into drive motors and control motors based on their application. Drive motors are further divided into motors for power tools (including drilling, polishing, grinding, slotting, cutting, reaming, and other tools), motors for home appliances (including washing machines, electric fans, refrigerators, air conditioners, recorders, VCRs, DVD players, vacuum cleaners, cameras, hair dryers, electric shavers, etc.), and motors for other general small mechanical equipment (including various small machine tools, small machinery, medical devices, electronic instruments, etc.). Control motors are further divided into stepper motors and servo motors, etc. 5. Classification by rotor structure: Motors can be divided into squirrel-cage induction motors (formerly known as squirrel-cage asynchronous motors in old standards) and wound-rotor induction motors (formerly known as wound-type asynchronous motors in old standards) based on the rotor structure. 6. Classification by operating speed: Motors can be divided into high-speed motors, low-speed motors, constant-speed motors, and variable-speed motors based on their operating speed. 7. Classification by protection type: Open type, enclosed type: The rotating parts and live parts inside the motor housing have necessary mechanical protection to prevent accidental contact, without significantly hindering ventilation. Protected motors are further divided into: mesh-covered type, drip-proof type, splash-proof type, enclosed type, waterproof type, watertight type, submersible type, and explosion-proof type based on their ventilation and protection structure.

YASKAWA motor performance

Since the 20th century 80s, with the development of integrated circuits, power electronics technology, and AC variable speed drive technology, permanent magnet AC servo drive technology has made remarkable progress. Famous electrical manufacturers around the world have successively launched their own series of AC servo motors and servo drives, continuously improving and updating them. AC servo systems have become the main development direction of contemporary high-performance servo systems, putting traditional DC servos at risk of being phased out. After the 90s, AC servo systems commercialized worldwide adopted fully digital controlled sine wave motor servo drives. The development of AC servo drive devices in the transmission field is changing rapidly. Compared with DC servo motors, the main advantages of permanent magnet AC servo motors are: 1. No brushes or commutators, resulting in reliable operation and low maintenance requirements. 2. Convenient heat dissipation for stator windings. 3. Low inertia, making it easier to improve system responsiveness. 4. Suitable for high-speed, high-torque operating conditions. 5. Smaller volume and weight for the same power rating.

YASKAWA motor principle

When a symmetrical voltage is applied to the motor stator winding, a rotating air-gap magnetic field is generated. The rotor winding conductors cut this magnetic field, inducing an electromotive force (EMF). Since the rotor winding is in a short-circuit state, a rotor current is generated. The interaction between the rotor current and the air-gap magnetic field produces electromagnetic torque, thereby driving the rotor to rotate. The motor speed must be lower than the synchronous speed of the magnetic field, because only then can the rotor conductors induce EMF to generate rotor current and electromagnetic torque. Therefore, this motor is called an asynchronous motor, also known as an induction motor. The motor speed (rotor speed) is less than the speed of the rotating magnetic field, hence it is called an asynchronous motor. It is basically the same as an induction motor. s = (ns-n) / n, where s is the slip rate, ns is the magnetic field speed, and n is the rotor speed. There are many types of asynchronous motors, including explosion-proof three-phase asynchronous motors, ys series three-phase asynchronous motors, y, y2 series three-phase asynchronous motors, YVP series variable frequency speed-regulating motors, etc.

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