Exercise 2 Flashcards
1
Q
List the three levels of frequency control and the timeframe for each level.
A
Primary (<=30s)
Secondary (15s -15min)
Tertiary (>15min)
2
Q
Describe the characteristics for each level of frequency control
A
3
Q
State the three different kinds of wind interfaces
A
Danish concept
Doubly-Fed Induction Generator
Full Converter
4
Q
A
5
Q
What are the advantages of DC-based solutions in offshore windfarms as
compared to AC-based solutions?
A
6
Q
Frequency control
General characteristics and essential formula
A
7
Q
A
