Corps Of Emgineers Supplement 20 Flashcards
1
Q
What is the purpose of flyballs in a governor system?
A
To maintain a constant speed or constant load on the unit
2
Q
What does a speed droop mechanism do?
A
Causes the hydraulic turbine to divide the load between the generators in the desired proportions
3
Q
When does the governor allow the brakes to be applied
A
From 50% to less than 50%
4
Q
What are the main parts of a Kaplan control mechanism?
A
The regulating valve , valve actuator, pilot
5
Q
What is the purpose of the permanent magnet generator?
A
To have a long service life with minimal break downs