Silent Sentinel Ch 2

Question 1

Is the ground and neutral point of a 3-phase system by definition the same point?

Answer 1

False

Question 2

Which voltage drops inside a PT are in phase?

Answer 2

Going from polarity marked to non-polarity marked terminals on both the primary and secondary windings

Question 3

What terminal of a CT has the same phase as current flowing out of the polarity marked terminal on the secondary side?

Answer 3

Polarity marked terminal on the primary winding.

Question 4

Do open circuits on power systems happen more frequently than short circuit faults?

Answer 4

False

Question 5

How much does voltage drop over air if there is over 100 Amps of current?

Answer 5

Voltage drops 400V per foot

Question 6

What information do circuit diagrams usually omit?

Answer 6

Magnitude of currents and voltages

Question 7

What does Symmetrical components reduce 3 unbalanced phase set of vectors into?

Answer 7

Three balanced Systems