The main shutter motor with Cobra SMARTsense

Principle

The field of the stator of an electric motor can be generated by an electromagnet, which is then called an excitation coil. In the main shunt motor, the excitation coil is connected in series with the rotor's armature winding. This type of motor is sometimes called a universal motor.

Benefits

• Particularly comprehensible and didactically prepared description of the experiment (reference to everyday life, etc.) incl. protocol questions.
• Teach in a future-oriented way: Integration into digital science lessons with tablets or smartphones.
• Increased motivation among students through use of the intuitive measureAPP.
• Increased media literacy.
• No additional cable connections between the modules necessary - clearer and faster set-up.
• contact reliability due to puzzle-like interlocking building blocks
• Hard gold-plated, corrosion-resistant contacts
• Double learning success: electrical circuit diagram visible on the upper side and real components on the lower side

Tasks

Investigate the behavior of the motor model when an electromagnet is placed on it, which is connected in series with the rotor coil.

Learning Objectives

By means of this experiment, the students should learn about the properties of a main shunt motor, also called a series motor.