Cantoni Motor motor, German Cantoni Motor model, Cantoni Motor price

Cantoni Motor motor refers to a motor that can operate continuously under standard environmental conditions at 100% rated load within the 10%~100% rated speed range, with temperature rise not exceeding the motor's specified allowable value. For asynchronous motors, when the slip variation is small, the speed is proportional to the frequency; thus, changing the power supply frequency changes the speed of the asynchronous motor. During variable frequency speed control, it is always desired to keep the main magnetic flux constant. If the main magnetic flux is greater than the flux during normal operation, the magnetic circuit becomes oversaturated, causing an increase in excitation current and a decrease in power factor; if the main magnetic flux is less than the flux during normal operation, the motor torque decreases.

Cantoni Motor motor development trends

Permanent magnet synchronous motors are gradually being widely used in industrial production and daily life due to their high efficiency, high specific power, simple structure, and significant energy-saving effects. In particular, the successful development of high-temperature-resistant, high-magnetic-performance neodymium iron boron permanent magnets, along with further development and improvement of power electronic components, has ushered in a new era for the research and development of rare-earth permanent magnet synchronous motors both domestically and internationally. This will lead to qualitative leaps in both theoretical research and application fields, currently trending towards ultra-high speed, high torque, high power, miniaturization, and high functionality. Permanent magnet synchronous motors do not require excitation windings, have a relatively simple structure, no heat source in the magnetic field part, and do not require cooling devices. The material has high coercivity, allowing for a larger air gap length, which makes it possible to significantly increase the speed. Due to the high maximum magnetic energy product of neodymium iron boron permanent magnets, especially the ability to produce ultra-thin permanent magnets, it has become possible to realize ultra-micro and low-inertia motors that were previously difficult to manufacture. Ultra-small motors with diameters of less than a few millimeters have been developed as drive sources for medical micro-machines, robotic arms for eye surgery, or robots for pipeline inspection. The world's smallest permanent magnet motor, with an outer diameter of 0.8mm and a length of 1.2mm, has been produced.

Cantoni Motor motor control methods

Motor Direct Torque Control technology: Direct Torque Control (Direct Self-Control, DSC) constructs models of flux linkage and electromagnetic torque on the stator stationary coordinate system, achieving control of electromagnetic torque and stator flux linkage by applying different voltage vectors. The direct torque control method has advantages such as simple algorithms and good torque response, so it is widely used in applications requiring high transient torque response. Due to inherent disadvantages in control, the direct torque control method has a low control frequency and large torque ripple at lower speeds. Therefore, reducing torque ripple at low speeds has become a research hotspot in direct torque control methods. Sun Xiaohui and others achieved good results by optimizing the action time of voltage vectors to reduce torque ripple at low speeds. D.casadei and others applied the direct torque control method to the control of AC induction motors based on discrete space vector modulation technology, reducing torque ripple.

Cantoni Motor motor applications

An asynchronous motor is an AC motor whose speed under load does not maintain a constant ratio with the frequency of the connected power grid. It also varies with the magnitude of the load. The greater the load torque, the lower the rotor speed. Asynchronous motors include induction motors, doubly-fed asynchronous motors, and AC commutator motors. Induction motors are the most widely used; generally, unless there is a risk of misunderstanding or confusion, induction motors can be referred to as asynchronous motors. The stator windings of ordinary asynchronous motors are connected to the AC grid, and the rotor windings do not need to be connected to other power sources. Therefore, they have advantages such as simple structure, ease of manufacturing, use, and maintenance, reliable operation, lighter weight, and lower cost. Asynchronous motors have higher operating efficiency and better working characteristics, operating at nearly constant speed from no-load to full-load, meeting the transmission requirements of most industrial and agricultural production machinery. Asynchronous motors are also easy to derive into various protection types to adapt to different environmental conditions. During operation, asynchronous motors must absorb reactive excitation power from the grid, worsening the grid's power factor. Therefore, synchronous motors are often used for driving high-power, low-speed mechanical equipment such as ball mills and compressors. Since the speed of an asynchronous motor has a certain slip relationship with its rotating magnetic field speed, its speed regulation performance is poor (except for AC commutator motors). For transportation machinery, rolling mills, large machine tools, dyeing and papermaking machinery, etc., which require a wide and smooth speed regulation range, using DC motors is more economical and convenient. However, with the development of high-power electronic devices and AC speed control systems, the speed regulation performance and economy of asynchronous motors suitable for wide speed regulation can now rival those of DC motors. Asynchronous motors are mainly used as motors, with power ranges from a few watts to tens of thousands of kilowatts, making them the most widely used motors in various sectors of the national economy and in people's daily lives, providing power for various mechanical equipment and household appliances. For example, machine tools, small and medium-sized steel rolling equipment, fans, water pumps, light industrial machinery, metallurgical and mining machinery, etc., mostly use three-phase asynchronous motors (Asynchronous Motor) for drive; single-phase asynchronous motors are widely used in household appliances such as electric fans, washing machines, refrigerators, and air conditioners. Asynchronous motors can also serve as generators, used in wind power plants and small hydropower stations, etc.

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