APPENDICES
User’s Manual
29
APPENDIX C: CALCULATIONS & EQUATIONS
Calculations
Definitions of symbols
No
Symbol
Definition
1
M
v
Sample factor
2
M
P
Average interval
3
U
f
Phase voltage (U
1
, U
2
or U
3
)
4
N
Total number of samples in a period
5
n
Sample number (0 ≤ n ≤ N)
6
i
n
Current sample n
7
u
fn
Phase voltage sample n