Assertion: turbine's speed | /r/HasProperty | 3,000 rpm
Facets:
value: for 50 hz systems
type: OTHER
Source sentences:
text: As the generators must rotate at constant synchronous speeds according to the frequency of the electric power system, the most common speeds are 3,000 RPM for 50 Hz systems, and 3,600 RPM for 60 Hz systems.