Assertion: electric motor's torque | /r/CapableOf | become negative
Facets:
value: above it
type: LOCATION
Source sentences:
text: For induction motors connected to a fixed frequency AC source (most common in large applications), the maximum torque is usually just below the synchronous RPM, sinks to zero for this RPM and becomes negative above it (induction generator); at low RPM the torque is usually slightly lower.