The video describes the difficult path of the first attempts at the industrial introduction of synchronous machines. It mentions the dispute between two giants, Friedrich Haselwander and Werner von Siemens, which then led to the postponement of synchronous machines until later.
The video also demonstrates the basic principles of synchronous motors and explains why they are not self-starting. Furthermore, it vividly illustrates the effect of rotor geometry on its moment of inertia.
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🔍▶Time navigation:
0:30 History of synchronous machines.
2:00 Typical types of synchronous motors.
2:48 Principle of the synchronous reluctance motor.
6:00 Electrically excited synchronous motor.
7:00 Explanation of why a synchronous motor is not self-starting.
10:10 Moment of inertia.