
Manual 37139C
UMT 1 - Measuring Transducer
© Woodward
Page 15/62
Chapter 4.
Functional Description
Direction of Power
≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡
In the event that the current transformers of the unit are wired according to the wiring picture below, the following
values are displayed:
•
Positive generator active power
The generator releases active power.
•
Inductive generator power factor
The generator is overexcited and releases
positive re-active power
inductive re-active power.
MAINS
pos
pos
Q
Q
PP
ind
ind
GENERATOR
CB
circuit breaker
40
41
UMT 1
X1
S1 (K)
S2 (L)
X2
s2 (l)
x2
x1
s1 (k)
G
Figure 4-1: Direction of power