Input
If required, assign input functions under
Configure > Input/output
. Select the hardware module, then select the input to configure.
Table 7.13
Optional hardware
Function
I/O
Type
Details
Local power management >
Asymmetric load sharing >
Q set point [%]
Analogue
input
% of genset
nominal
reactive
power
When this input is configured, and
Configure > Parameters > Local
power management > Asymmetric load sharing > Q
configuration
is
Enabled
and
Source
is
External
, then the controller
uses this analogue input as the set point for asymmetric Q load
sharing.
Power management >
Activate asymmetric Q load
sharing
Digital input
Pulse
When this input is activated, the controller changes the parameter
value under
Configure > Parameters > Local power management
> Asymmetric load sharing > Q configuration > Enable
to
Enabled
.
Power management >
Deactivate asymmetric Q
load sharing
Digital input
Pulse
When this input is activated, the controller changes the parameter
value under
Configure > Parameters > Local power management
> Asymmetric load sharing > Q configuration > Enable
to
Not
enabled
.
Parameters
Configure the following parameters under
Configure > Parameters > Local power management > Asymmetric load sharing > Q
configuration
.
These parameters only apply to the selected GENSET controller. Other GENSET controllers can have different parameters.
Parameter Range
Default
Notes
Enable
•
Enabled
•
Not enabled
Not enabled
•
Enabled
: Asymmetric Q load sharing is active for the GENSET controller. The
power management system runs the genset(s) with asymmetric Q load sharing
enabled at their set points while the remaining genset(s) supply a load that is
between the asymmetric Q load sharing
Minimum
and
Maximum
. If more than
one genset has asymmetric Q load sharing enabled, then the genset with the
highest priority also has the highest asymmetric Q load sharing priority.
•
Not enabled
: The GENSET controller shares the load equally with the other
GENSET controllers. If other GENSET controllers have asymmetric Q load
sharing enabled, then the GENSET controller without asymmetric Q load
sharing shares the load equally with the other gensets without asymmetric Q
load sharing.
Source
•
Parameter
•
External
•
External -> Off
•
External ->
Parameter
Parameter
The controller only uses these parameters when asymmetric Q load sharing is
enabled.
•
Parameter
: The controller uses the
Set point
parameter as the set point for
asymmetric Q load sharing.
•
External
: The controller uses the analogue input with
Local power
management >
Asymmetric load sharing > Q set point [%]
as the set point for
asymmetric Q load sharing.
•
External ->
Off
: This is used if the asymmetric Q load sharing set point from
an analogue input fails. That is, when the input for
Local power management >
Asymmetric load sharing > Q set point [%]
is outside the configured scale. If
the external set point fails, then the controller turns off asymmetric Q load
sharing.
•
External ->
Parameter
: This is used if the asymmetric Q load sharing set point
from an analogue input fails. That is, when the input for
Local power
management > Asymmetric load sharing > Q set point [%]
is outside the
configured scale. If the external set point fails, then the controller ignores the
DESIGNER'S HANDBOOK 4189340911K UK
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