निम्नलिखित में से कौन सी हानि स्पष्ट रूप से एक विद्युत मशीन में घूर्णी हानियों (rotational losses) के यांत्रिक घटक को दर्शाती है?

Which design feature is primarily associated with the rotor of a high-speed turbo-alternator to handle centrifugal forces and minimize windage losses?

In a Doubly-Fed Induction Generator (DFIG) used for variable speed wind energy conversion, the stator is connected to the ________ supply and the rotor is connected to the ________ supply.