sonceboz motor Germany sonceboz model sonceboz price

sonceboz motors are machines used to convert mechanical energy and AC electrical energy into each other. Due to the tremendous development of AC power systems, AC motors have become the most commonly used motors. Compared with DC motors, AC motors have a simple structure, are easy to manufacture, relatively robust, and can be easily made into high-speed, high-voltage, high-current, and large-capacity motors because they lack commutators (see commutation in DC motors). The power range of AC motors is very wide, from a few watts to hundreds of thousands of kilowatts, or even millions of kilowatts. In the early 80s of the 20th century, the largest steam turbine generators had reached 150 ten thousand kilowatts.

sonceboz motor structure

Motors are divided into two types according to rotor structure: squirrel-cage (squirrel-cage asynchronous motor) and wound-rotor asynchronous motors. Asynchronous motors operating as motors. Because the rotor winding current is induced, they are also called induction motors. Asynchronous motors are the most widely used and in highest demand among various types of motors. In electrically powered machinery in various countries, about 90% are asynchronous motors, among which small asynchronous motors account for more than 70%. In the total load of the power system, the electricity consumption of asynchronous motors accounts for a significant proportion. In China, the electricity consumption of asynchronous motors accounts for more than 60% of the total load. An asynchronous motor is an AC motor whose speed under load is not constant relative to the frequency of the connected grid. An Induction motor is an asynchronous motor with only one set of windings connected to the power supply. Where no misunderstanding or confusion arises, induction motors are generally referred to as asynchronous motors. The IEC standard states that the term "induction motor" is actually used as a synonym for "asynchronous motor" in many countries, while some other countries use only the term "asynchronous motor" to represent both concepts.

sonceboz motor applications

Motors have broad application prospects in the following areas: (1) High-speed motors are used in various occasions such as centrifugal compressors in air conditioners or refrigerators. With the development of science and technology, special requirements are increasing, and their applications will become more widespread. (2) With the development of hybrid vehicles in the automotive industry, high-speed generators with small size and light weight will receive full attention and have good application prospects in hybrid vehicles, aviation, ships, and other fields. (3) High-speed generators driven by gas turbines are small in size and have high mobility. They can be used as backup power sources for important facilities, or as independent power sources or small power stations to make up for the shortcomings of centralized power supply, having important practical value. Since the centrifugal force on the rotor of a high-speed motor is proportional to the square of the linear velocity, high-speed motors require high mechanical strength. Also, due to the high frequency and high iron loss of high-speed motors, the magnetic flux density in the iron core should be appropriately reduced during design, and low-loss iron core materials should be used. Bearing research is also an integral part of high-speed motors, because ordinary bearings are difficult to withstand long-term operation in high-speed systems; new materials and new structural bearings must be used. High-speed motors can have various structural forms, such as induction motors, permanent magnet motors, and reluctance motors. The centrifugal force is very large when the motor rotates at high speed. When the linear velocity reaches above 200m/s, conventional laminated rotors cannot withstand the centrifugal force generated by high-speed rotation, requiring special high-strength laminated or solid rotors. In the nearly hundred-year history of the development of rotor dynamics, many calculation methods have appeared. Modern calculation methods can mainly be divided into two categories: the transfer matrix method and the finite element method. The finite element method has concise and standardized expressions of motion equations and has many advantages in solving rotor dynamics problems or complex mechanical systems composed of rotors and surrounding structures. The finite element method involves massive discretization of complex rotor systems, and the calculation results are more accurate than the transfer matrix method, but it takes longer computation time and occupies more memory. The development of modern computer technology has provided good hardware support for the finite element method.

sonceboz motor structure

The motor consists of stator poles, rotor, brushes, housing, etc. Stator poles use permanent magnets (permanent steel), including materials such as ferrite, AlNiCo, and NdFeB. According to their structural form, they can be divided into cylindrical and tile types, among others. The rotor is generally made of stacked silicon steel sheets, with enameled wire wound between two slots of the rotor core (three slots mean three windings), and each joint is soldered to the metal segments of the commutator. Brushes are conductive components connecting the power supply to the rotor windings, possessing both conductivity and wear resistance. Permanent magnet motors use single-metal strips, metal graphite brushes, or electrographite brushes. 2. Brushless DC motor: Composed of a permanent magnet rotor, multi-pole winding stator, position sensors, etc. The characteristic of brushless DC motors is being brushless, using semiconductor switching devices (such as Hall elements) to achieve electronic commutation, i.e., replacing traditional contact commutators and brushes with electronic switching devices. It has advantages such as high reliability, no commutation sparks, and low mechanical noise. Position sensors commutate the current in the stator windings in a certain order according to changes in rotor position (i.e., detecting the position of rotor poles relative to stator windings, generating position sensor signals at determined positions, which are processed by signal conversion circuits to control power switch circuits, switching winding currents according to a certain logical relationship). There are three types of position sensors: magnetic, photoelectric, and electromagnetic. For brushless DC motors using magnetic position sensors, magnetic sensing devices (such as Hall elements, magnetic diodes, magnetic transistors, magnetic resistors, or dedicated integrated circuits, etc.) are installed on the stator assembly to detect changes in the magnetic field generated by the rotation of the permanent magnet rotor. Hall elements are mostly used in electric vehicles. For brushless DC motors using photoelectric position sensors, photoelectric sensing devices are configured at certain positions on the stator assembly, and a light shield is installed on the rotor, with the light source being an LED or a small bulb. When the rotor rotates, due to the action of the light shield, the photosensitive components on the stator will intermittently generate pulse signals at a certain frequency. For brushless DC motors using electromagnetic position sensors, electromagnetic sensor components (such as coupling transformers, proximity switches, LC resonant circuits, etc.) are installed on the stator assembly. When the position of the permanent magnet rotor changes, the electromagnetic effect causes the electromagnetic sensor to generate a high-frequency modulated signal (whose amplitude varies with rotor position). The operating voltage of the stator windings is provided by an electronic switch circuit controlled by the output of the position sensor.

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