Detektor do wykrywania przerw w prętach wirników jednoklatkowych

This article presents method of squirrel cage rotor`s diagnostic. Authors describe tests on electrical machines with healthy and broken squirrel cage rotor. There were tested several squirrel cage rotors with different damages. Authors describes very good tool for diagnostic bars of cage. This is break detector of rotor bars of induction motors with one cage. This device was designed and constructed by the authors. Technical assessment of the bar in the cage of rotor is performed by measurement each bar individually. Patent application No. P382389. Paper presents the results of studies conducted by the authors.