Ruhrgetriebe motor Germany Ruhrgetriebe model Ruhrgetriebe price

Ruhrgetriebe motor refers to a motor that can operate on both DC and AC power supplies. This type of electric motor is widely used in household appliances, manual devices, computing tools, and precision machinery. In addition, this type of motor is frequently used in medical equipment, communication technology, measurement technology, the film industry, and many other areas.

Ruhrgetriebe motor operating mode

Motor starting methods: Soft start. With the rapid development of microcomputer control technology, a series of electronic soft-start controllers have been successfully developed in relevant control engineering fields and are widely used in the motor starting process, thereby replacing reduced-voltage starters. Current electronic soft-start devices use thyristor voltage-regulating circuits, configured as follows: six thyristors, connected in anti-parallel pairs and then in series to the three-phase power supply. Upon receiving a start signal from the system, the microcomputer-controlled starter immediately performs calculations to send trigger signals to the thyristors, controlling their conduction angle to regulate the output voltage according to the set value, thus achieving motor control. This starting method is suitable for three-phase AC asynchronous motors of various power ratings, including those with six-wire and three-wire connections. Direct start: This is the most basic and simplest motor starting method. First, a knife switch is used to connect the motor to the power grid, allowing the motor to start and run at rated voltage. The characteristics of this method are low investment, simple equipment, and fewer components. Although the starting time is short, the starting torque is low and the current is high, making it more suitable for starting small-capacity motors. Reduced-voltage start: Due to the significant drawbacks of direct starting, reduced-voltage starting was developed. This starting method is applicable to no-load and light-load conditions. Since reduced-voltage starting simultaneously limits starting torque and starting current, the circuit must be restored to its rated state after the starting process is complete.

Ruhrgetriebe motor motor principle

The motor has two windings: a starting winding and a running winding. The two windings are spatially displaced by 90 degrees. A large-capacity capacitor is connected in series with the starting winding. When the running winding and the starting winding are supplied with single-phase AC, the capacitor causes the current in the starting winding to lead the current in the running winding by 90 degrees in time, reaching its maximum value first. This forms two identical pulsating magnetic fields in time and space, generating a rotating magnetic field in the air gap between the stator and the rotor. Under the action of the rotating magnetic field, an induced current is generated in the motor rotor. The interaction between the current and the rotating magnetic field produces electromagnetic torque, causing the motor to rotate.

Ruhrgetriebe motor cooling method

Motor cooling methods include: 1) Cooling: During energy conversion, a small portion of losses in the motor is always converted into heat. This heat must be continuously dissipated through the motor housing and the surrounding medium. This process of heat dissipation is referred to as cooling. 2) Cooling medium: A gaseous or liquid medium that transfers heat. 3) Primary cooling medium: A gaseous or liquid medium with a temperature lower than that of a specific motor component. It comes into contact with this component and carries away the heat released by it. 4) Secondary cooling medium: A gaseous or liquid medium with a temperature lower than that of the primary cooling medium. It removes the heat released by the primary cooling medium via the motor's outer surface or a cooler. 5) Final cooling medium: The final medium to which heat is transferred. 6) Ambient cooling medium: The gaseous or liquid medium in the environment surrounding the motor. 7) Remote medium: A medium located far from the motor, which absorbs heat from the motor and discharges the cooling medium to a remote location through inlet and outlet pipes or channels. 8) Cooler: A device that transfers heat from one cooling medium to another while keeping the two cooling media separated.

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