Machines for railway sectors testing

Risatti has been testing in the railway sector since the 2000s. In particular, it has developed a full series of specialist machinery for testing repairs and maintenance of electrical machines for the railway sector, specific for railway vehicle, tram and subway traction motors.

In fact, tests are provided on all the parts comprising the vehicle motor:

  • stator
  • wound rotor
  • squirrel cage or die-cast rotor.

All the machines for testing in the railway sector, although operating individually, can be connected to one another in a network with the device being tested, also for being controlled remotely. Everything can also be customized according to customers’ specific needs.

The testing items are: stator test, induced test with automatic machine for large wound rotors in railway traction, rotor testing with chain with automatic tensor and cage rotor test for die-cast or welded-bar rotors.

Fields of application

Our machines

We offer a wide range of machines for heads and tests for different sectors of use.

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The tests

The equipment, exclusively designed and manufactured by us, embraces the entire electromechanical and electrotechnical sector and the sectors related to preventive maintenance, repairs and rewinding.
Residual voltage test is used to detect the presence of residual voltage in a system, after the main source of power is disconnected.
The AC dielectric strength test is performed by setting an acceptability threshold of the maximum current.
Testing the electrical resistance of a winding is essential and is performed to measure the resistance of a winding.
The dielectric absorption ratio is important in the case of insulating materials in which the absorption current decreases rapidly.
Partial discharges (PD) are electrical discharges localized in the dielectric insulation, limited only to a part of the dielectric material.

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