Datakom D-500 MK3, User Manual

Page: 108 / 197

D-500 MK3 User Manual Firmware V-7.5
- 108 -
Parameter Definition Unit Min Max Factory
Set
Description
Genset Overload Limit kW 0 50000 0
If the total genset active power goes over
this limit when feeding the load, this will
generate a genset overload loaddump
alarm. If this parameter is set to 0 then
overload fault is not monitored.
Genset Overload Fail
Timer
sec 0 120 3
If the genset active power is over the
limit during this timer, an overload fault
will occur.
Load Shedding Low Limit kW 0 50000 0
If the genset power goes below this limit
then the load shedding relay will be
deactivated. Review chapter “Load
Shedding” for more details.
Load Shedding High
Limit
kW 0 50000 0
If the genset power goes above this
limit then the load shedding relay will be
activated. Review chapter “Load
Shedding” for more details.
Load Add Delay sec 0 240 0
This is the minimum delay between 2
load_add pulses.
Review chapter “Load
Shedding” for more details.
Load Subtract-Add Delay min 0 120 0
This is the minimum delay required for a
load_add pulse after a load_substract
pulse. Review c
hapter “Load Shedding”
for more details.
Mains Waiting Timer sec 0 50000 30
This is the time between the mains
voltages and frequency entered within
the limits and the generator contactor is
deactivated.
Mains Connection
Topology
- 0 7 5
This is the connection topology of mains
voltages and CTs. Detailed
explanations are given in the chapter:
“TOPOLOGIES”.
0: 2 phase, 3 wire L1-L2
1: 2 phase, 3 wire L1-L3
2: 3 phase, 3 wire
3: 3 phase, 3 wire, 2CTs L1-L2
4: 3 phase, 3 wire, 2CTs L1-L3
5: 3 phase, 4 wire star
6: 3 phase, 4 wire delta
7: single phase, 2 wire
Genset Connection
Topology
- 0 7 5
This is the connection topology of
genset voltages and CTs. Detailed
explanations are given in the chapter:
TOPOLOGIES.
0:
2 phase, 3 wire L1-L2
1: 2 phase, 3 wire L1-L3
2: 3 phase, 3 wire
3: 3 phase, 3 wire, 2CTs L1-L2
4: 3 phase, 3 wire, 2CTs L1-L3
5: 3 phase, 4 wire star
6: 3 phase, 4 wire delta
7: single phase, 2 wire
17.2. ELECTRICAL PARAMETERS GROUP (continued)