Woodward HighPROTEC - Page 629

Protective Elements
Legend
Symbol Explanation
S
N
Rated Power from Protected Object (e.g. Generator or Transformer)
V
LL
Rated Voltage from Protected Object (e.g. Generator)
V
LL,W1
Rated Voltage of the Transformer side W1
V
LL,W2
Rated Voltage of the Transformer side W2
CT
pri,W1
Primary Rated current of the Current Transformer on Transformer side W1
CT
sec,W1
Secondary Rated current of the Current Transformer on Transformer side W1
CT
pri,W2
Primary Rated current of Current Transformer on Transformer side W2
CT
sec,W2
Secondary Rated current of Current Transformer on Transformer side W2
I
b
Base current (is depending on the applied context, in general, it is the Rated Current of
Protected Object, e.g. Generator or Transformer)
I
b ,W1
Base current or Rated Current of the Transformer winding on side W1
I
b ,W2
Base current or Rated Current of the Transformer winding on side W2
I
pri,W1
I
pri,W2
Uncompensated primary current phasors on the corresponding winding side (W1 or W2)

I
W1

I
W2
Uncompensated secondary current phasors on the corresponding winding side (W1 or W2)
629 MCDGV4 DOK-HB-MCDGV4-2E