D-500 MK2 User Manual Firmware V-6.3
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Load sharing can be performed as well using the Analog Load Share line.
The Analog Load Share facility is designed as an emergency backup to the digital load share for
increased reliability.
The analog load share is a wire where all load sharing controllers are in parallel.
Only the active power is shared using the analog line. Thus it provides no control over the reactive
power sharing. However reactive power sharing may be still performed using the droop function. Please
see next chapter for the droop function.
As there is no communication between controllers in the absence of the Datalink, no smart load
management is performed. When the REMOTE START signal comes, the genset runs, synchronizes to
the busbar and supplies the active power requested by the load share line. It will stop only when the
REMOTE START signal is removed.
Parameters used in the analog load sharing: (details are in the programming section)
Governor Droop Enable
Governor Output Droop
AVR Droop Enable
AVR Output Droop
Dwell Timeout
Active Power Ramp (kW/sec)
Reactive Power Ramp (kVAr/sec)
Ramp On High Limit
Ramp Off Low Limit
Active Power Share G Gain
Reactive Power Share G Gain
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