Kuenle motors Germany Kuenle models Kuenle prices

Kuenle motors refer to motors that can operate on both DC and AC power supplies. These motors are widely used in daily household appliances, manual devices, computing tools, and precision machinery. In addition, they are frequently used in medical equipment, communication technology, measurement technology, the film industry, and many other areas.

Kuenle motor speed control

Motor speed control: A hydraulic coupling is a hydraulic transmission device, generally composed of a pump impeller and a turbine, collectively referred to as working wheels, housed in a sealed casing. The casing is filled with a certain amount of working fluid. When the pump impeller rotates driven by the prime mover, the fluid inside is pushed by the blades to rotate. Under the action of centrifugal force, the fluid enters the turbine along the outer ring of the pump impeller, exerting thrust on the turbine blades in the same direction of rotation, thereby driving the production machinery. The power transmission capacity of the hydraulic coupling is consistent with the relative filling level of the fluid in the casing. During operation, changing the filling rate changes the turbine speed of the coupling, achieving stepless speed regulation. Its characteristics are: 1, wide power adaptation range, meeting the needs of different powers from tens of kilowatts to thousands of kilowatts; 2, simple structure, reliable operation, convenient use and maintenance, and low cost; 3, small size, large capacity; 4, convenient control and adjustment, easy to achieve automatic control. 5, this method is suitable for speed control of fans and water pumps. Variable frequency speed regulation range: 5-100 Hz stepless speed regulation. Below 50 Hz (60 Hz) is constant torque speed regulation; above 50 Hz (60 Hz) is constant power speed regulation. *The voltage boost of the variable frequency device ensures that the motor outputs rated torque at 5 Hz without burning out due to overheating. *Smooth torque at low speeds, no crawling phenomenon. *The motor can withstand 160% overload of rated torque for 1 minutes. Equipped with a gear transmission motor (friction wheel) with variable transmission ratio.

Kuenle motor applications

Motors have advantages such as simple structure, ease of manufacturing, low cost, and reliable operation, but their power factor is relatively low (less than 0.5), and efficiency is also low. The power of reluctance synchronous motors generally ranges from a fraction of a watt to hundreds of watts, and they are commonly used in automatic control devices, physical instruments, movie projectors, electrostatic copiers, and other equipment. Reluctance synchronous motors have a simple structure, low cost, and reliable operation, and are widely used in automatic and remote control devices, recording fax machines, and the clock industry. An AC motor whose operating speed maintains a constant ratio to the frequency of the connected power supply. During operation, the motor speed is always equal to the synchronous speed, hence the term synchronous motor. Synchronous motors are widely used in high-power production machinery that does not require speed regulation, such as large air compressors, crushers, blowers, and motor-generator sets, with powers reaching several kilowatts or even tens of thousands of kilowatts. Compared with asynchronous motors of the same capacity, high-power synchronous motors have obvious advantages: high power factor, which can be operated at a leading power factor by adjusting the excitation current, helping to improve the grid power factor; high-power low-speed synchronous motors have a smaller volume. Synchronous motors can be divided into salient-pole and non-salient-pole types according to rotor structure characteristics, and are generally made as salient-pole types. If classified by the fixed position of magnetic poles, there are rotating armature types with magnetic poles fixed on the stator (three-phase AC windings nested on the rotor, connected to the external circuit via slip rings and brushes on the shaft) and rotating field types with magnetic poles fixed on the rotor, with the latter being more common. The magnetic poles of synchronous motors are generally excited by DC current; those using permanent magnets are called permanent magnet synchronous motors. A synchronous motor operating in motor state without mechanical load, only providing or absorbing reactive power to the grid, is called a synchronous condenser or synchronous compensator, used to improve grid power factor and maintain grid voltage levels.

Kuenle motor speed control

The motor is essentially a servo motor, composed of a synchronous motor and a drive, and is a variable frequency speed control motor. The transformer-controlled brushless DC motor is a true brushless DC motor, consisting of a stator and a rotor. The stator is made of an iron core, and the coils use "forward-reverse-forward-reverse..." windings, thereby generating a fixed magnetic field of the N-S group. The rotor consists of a cylindrical magnet (with a shaft in the middle) or an electromagnet with slip rings. This brushless DC motor can generate torque but cannot control direction. Regardless, this motor is a very significant invention. As a DC generator, this invention can produce DC current with continuous amplitude, thereby avoiding the use of filter capacitors. The rotor can be permanent magnet, brushed excitation, or brushless excitation. When used as a large motor, this motor generates self-inductance and requires protective devices.

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