Kueenle motor Germany Kueenle model Kueenle price

Kueenle motor is a commonly used AC motor. The synchronous motor is the heart of the power system; it is a component that integrates rotation and stationary parts, electromagnetic changes and mechanical motion, to realize the conversion between electrical energy and mechanical energy. Its dynamic performance is very complex, and its dynamic performance has a great impact on the dynamic performance of the entire power system. The characteristic is: during steady-state operation, there is an invariant relationship between the rotor speed and the grid frequency: n=ns=60f/p, where f is the grid frequency, p is the number of pole pairs of the motor, and ns is called the synchronous speed. If the grid frequency remains unchanged, the speed of the synchronous motor is constant in steady state and independent of the load magnitude. Synchronous motors are divided into synchronous generators and synchronous motors. AC machines in modern power plants are mainly synchronous generators.

Kueenle motor classification

Motors are divided into three-phase and single-phase types according to the number of phases. For the same volume, the output of a three-phase reluctance synchronous motor is 1/3～2/3 higher than that of a single-phase reluctance synchronous motor. Single-phase reluctance synchronous motors can be further divided into capacitor-start, capacitor-run, and capacitor-start-and-run types according to the starting method. Capacitor-start motors have high starting torque. Capacitor-run motors have good running performance, high efficiency, high power factor, and low noise, but low starting torque. Capacitor-start-and-run motors combine the advantages of the above two types, i.e., higher starting torque and better running performance. The reluctance synchronous motor is a type of miniature synchronous motor. Its rotor structure is salient-pole; externally, it is a cylinder or disc. The entire rotor is made of magnetic and non-magnetic materials. The reluctance in the direct axis direction is less than that in the quadrature axis direction, giving it a salient-pole magnetic effect. When the stator winding is energized, a rotating magnetic field is produced in the air gap. Under the action of the rotating magnetic field, magnetic pull is generated, dragging the rotor to rotate synchronously. The reluctance synchronous motor is a synchronous motor with no excitation on the rotor, having several regularly shaped protruding parts, equipped with a squirrel-cage winding for starting or without a squirrel-cage winding, also known as a reluctance motor. A reluctance motor is equivalent to a salient-pole synchronous motor without excitation windings, generating electromagnetic torque by utilizing the difference in magnetic reluctance of the rotor magnetic circuit.

Kueenle motor structure

The motor is divided into two parts: stator and rotor. Note: Do not confuse commutating poles with commutators. The stator includes: main magnetic poles, frame, commutating poles, brush gear, etc. The rotor includes: armature core, armature (shu) winding, commutator, shaft, and fan, etc. The rotor part of a DC motor consists of the armature core, armature, commutator, and other devices. The components of the construction are described in detail below. 1. Armature core part: Its function is to house the armature winding and conduct magnetic flux, in order to reduce eddy current loss and hysteresis loss in the armature core during motor operation. 2. Armature part: Its function is to generate electromagnetic torque and induced electromotive force (EMF) for energy conversion. The armature winding consists of many coils or glass-fiber-covered flat copper wires or high-strength enamel-coated wires. 3. The commutator, also known as the rectifier, in a DC motor, converts the DC current from the brushes into AC current in the armature winding, keeping the direction of electromagnetic torque stable. In a DC generator, it converts the AC EMF in the armature winding into DC EMF output at the brush terminals. The commutator consists of many segments insulated from each other by mica, forming a cylinder. Each end of every armature coil is connected to two commutator segments. In a DC generator, the function of the commutator is to convert the alternating EMF in the armature winding into DC EMF between the brushes, allowing current to flow through the load. The DC generator outputs electric power to the load, while current also flows through the armature coils. It interacts with the magnetic field to generate electromagnetic torque, the direction of which is opposite to that of the generator. The prime mover must overcome this magnetic torque to drive the armature rotation. Therefore, while the generator outputs electric power to the load, it receives mechanical power from the prime mover, realizing the function of converting mechanical energy into electrical energy in a DC generator.

Kueenle motor structure

This motor component consists of an internal gear ring and a matching gear or rotor. The internal gear ring is fixed to the housing. Oil entering from the oil port pushes the rotor to revolve around a center point. This slowly rotating rotor drives the output via a splined shaft, becoming a cycloidal hydraulic motor. After the introduction of this initial cycloidal motor, decades of evolution led to the formation of another concept of motor. This motor installs rollers in the built-in gear ring. Motors with rollers can provide higher starting and running torque. Rollers reduce friction, thus improving efficiency. Even at very low speeds, the output shaft can produce stable output. Changing the direction of input and output flow allows the motor to reverse quickly and produce equal torque in both directions. Each series of motors has various displacement options to meet different speed and torque requirements.

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