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Synchronous motors

Repair and diagnostics for synchronous motors

With decades of industry experience and qualified technicians, Electromotor has been providing maintenance, repair and motor rewinding of industrial synchronous motors for over 50 years.

These motors operate using alternating current (AC), which changes direction multiple times per second and drives the rotor, making it rotate at the same speed as the stator’s rotating magnetic field, converting electrical energy into mechanical energy.

Electromotor provides maintenance for all major types of synchronous motors, from traditional three-phase motors to the most advanced permanent magnet motors, highly efficient and compact, up to reluctance motors, which are increasingly in demand for their cost-effectiveness, reliability and energy efficiency.

Do you need to repair an industrial synchronous motor or other types of electric motors? Rely on us! We offer free inspection services and maintenance across Italy.

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Maintenance services for synchronous motors

Maintenance of synchronous motors includes bearing lubrication, cleaning of rotor and stator, inspection of electrical connections, ventilation system checks and a range of diagnostic services such as vibration analysis, infrared thermography and verification of the field excitation system integrity.

However, synchronous motors require more frequent preventive maintenance than asynchronous motors, as they include more complex components such as the field excitation system, which supplies direct current to the rotor, as well as brushes and slip rings, which must be inspected, cleaned and periodically replaced.

A good alternative to reduce maintenance costs is represented by brushless motors, which eliminate brushes, or by permanent magnet motors, where the rotor contains magnets that lock into the stator’s rotating magnetic field and follow it at the same speed, ensuring precise, efficient and compact performance.

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Why choose a synchronous motor

Synchronous motors are less common in industry compared to asynchronous motors, as they are more expensive and complex to manage, including from a maintenance perspective.

However, they are the ideal solution for applications requiring high precision, power and efficiency, such as in the steel industry with large pumps, rolling mills and compressors, in the pulp and paper industry with process rollers and continuous lines, in chemical processing with powerful mixers and agitators, and in plastics extrusion and rubber processing.

They are also ideal for continuous operation without speed fluctuations, such as in water treatment plants with large pumping systems, or in the renewable energy sector, where power generation equipment requires stable and efficient performance.

Not sure who to rely on for the purchase or repair of your synchronous motor? Choose us!

We provide service support and emergency service all year round throughout Italy.

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