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Manual
Manual 37223E
37223E
easYgen-3000
easYgen-3000 Series
Series (Package
(Package P1)
P1) -
- Genset
Genset Control
Control
Page
Page 44/67
44/67
©
© Woodward
Woodward
power factors.
power factors.
Different power factor displays at the unit:
Different power factor displays at the unit:
i0.91 (inductive)
i0.91 (inductive)
lg.91 (lagging)
lg.91 (lagging)
c0.93 (capacitive)
c0.93 (capacitive)
ld.93 (leading)
ld.93 (leading)
Reactive power display at the unit:
Reactive power display at the unit:
70
70 kvar
kvar (positive)
(positive)
-60
-60 kvar
kvar (negative)
(negative)
Output at the interface:
Output at the interface:
+
+ (positive)
(positive)
-
- (negative)
(negative)
In relation to the voltage, the current is
In relation to the voltage, the current is
lagging
leading
lagging
leading
The generator is
The generator is
over
over excited
excited
under
under excited
excited
Control: If the control unit is equipped with a power factor controller while in parallel with the utility:
Control: If the control unit is equipped with a power factor controller while in parallel with the utility:
A voltage lower "-" signal is
A voltage lower "-" signal is output as long as the
output as long as the
measured value is "more inductive" than the reference
measured value is "more inductive" than the reference
set point
set point
Example: measured = i0.91; set point = i0.95
Example: measured = i0.91; set point = i0.95
A voltage raise "+"
A voltage raise "+" signal is output as long as the meas-
signal is output as long as the meas-
ured value is "more capacitive"
ured value is "more capacitive" than the reference set
than the reference set
point
point
Example: measured = c0.91; set point = c0.95
Example: measured = c0.91; set point = c0.95
Phasor diagram:
Phasor diagram:
inductive
capacitive
inductive
capacitive