heinz motor Germany heinz model heinz price

heinz motor refers to a low-power single-phase asynchronous motor powered by a single-phase AC power supply (AC220V). This type of motor typically has two-phase windings on the stator, and the rotor is of the ordinary squirrel-cage type. Different distributions of the two-phase windings on the stator and different power supply conditions can produce different starting and operating characteristics.

heinz motor classification

Motor classification: 1. Classification by working power supply: According to the different working power supplies of the motor, it can be divided into DC motors and AC motors. Among them, AC motors are further divided into single-phase motors and three-phase motors. 2. Classification by structure and working principle: Motors can be divided into DC motors, asynchronous motors, and synchronous motors according to their structure and working principle. Synchronous motors can also be 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 are further divided into 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 mode: 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 according to their starting and running modes. 4. Classification by application: Motors can be divided into drive motors and control motors according to their application. Drive motors are further divided into motors for electric 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 cage-type 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) according to the rotor structure. 6. Classification by operating speed: Motors can be divided into high-speed motors, low-speed motors, constant-speed motors, and adjustable-speed motors according to 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, but do not significantly hinder 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 according to their different ventilation and protection structures.

heinz motor performance

The construction of the motor stator is basically similar to that of a capacitor split-phase single-phase asynchronous motor. Its stator is equipped with two windings positioned 90° apart. One is the excitation winding Rf, which is always connected to the AC voltage Uf; the other is the control winding L, connected to the control signal voltage Uc. Therefore, AC servo motors are also called two-phase servo motors. The rotor of an AC servo motor is usually made in a squirrel-cage style. However, in order for the servo motor to have a wide speed regulation range, linear mechanical characteristics, no "self-rotation" phenomenon, and fast response performance, it should have two characteristics compared with ordinary motors: large rotor resistance and small moment of inertia. There are two commonly used rotor structures: one is a squirrel-cage rotor made of high-resistivity conductive bars. To reduce the moment of inertia of the rotor, the rotor is made slender; the other is a hollow cup-shaped rotor made of aluminum alloy. The cup wall is very thin, only 0.2-0.3mm. To reduce the magnetic reluctance of the magnetic circuit, a fixed inner stator is placed inside the hollow cup-shaped rotor. The hollow cup-shaped rotor has a very small moment of inertia, rapid response, and smooth operation, so it is widely used. When there is no control voltage, the AC servo motor has only the pulsating magnetic field generated by the excitation winding in the stator, and the rotor remains stationary. When there is a control voltage, a rotating magnetic field is generated in the stator, and the rotor rotates in the direction of the rotating magnetic field. Under constant load, the speed of the motor changes with the magnitude of the control voltage. When the phase of the control voltage is reversed, the servo motor will reverse.

heinz motor mechanical characteristics

Motor characteristics: With the rapid development of power electronics technology and new semiconductor devices, AC speed control technology has been continuously improved and enhanced. Gradually perfected frequency converters have been widely used in AC motors due to their good output waveforms and excellent price-performance ratio. Large motors for steel rolling in steel plants, medium and small roller table motors, traction motors for railways and urban rail transit, elevator motors, lifting motors for container handling equipment, motors for water pumps and fans, compressors, motors for household appliances, etc., have successively adopted AC variable frequency speed control motors and achieved good results. Compared with DC speed control motors, AC variable frequency speed control motors have significant advantages: (1) Easy speed control and energy saving. (2) AC motors have simple structure, small size, small inertia, low cost, easy maintenance, and durability. (3) Capacity can be expanded to achieve high-speed and high-voltage operation. (4) Soft start and rapid braking can be achieved. (5) Spark-free, explosion-proof, and strong environmental adaptability. In recent years, international variable frequency speed control transmission devices have developed at an annual growth rate of 13 %～ 16%, showing a trend of gradually replacing most DC speed control transmission devices. Since ordinary asynchronous motors working with constant frequency and constant voltage power sources have great limitations when applied to variable frequency speed control systems, specialized variable frequency AC motors designed according to usage occasions and requirements have been developed abroad. For example, there are motors for low noise and low vibration, motors with improved low-speed torque characteristics, high-speed motors, motors with tachogenerators, and vector control motors, etc.

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