Circutor CDP-0 Manual de usuario Pagina 26

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CDP
26 Instruction Manual
Table 11: CDP-G programming (Single-phase installation with 1 load to connect).
VARIABLE
VALUE
Inverter power
10000 W
Number of inverters
1
Phase control
Single-phase
Injection margin
0 %
Load management Mode
Dynamic
Max. modulation value
90 %
Max. grid contribution
20 %
Reconnecting time
5 minutes
Relay 1
Relay 2
Relay 3
Power
5000 W
Power
Power
Min.
connection
time
90 minutes
Min.
connection
time
Min.
connection
time
Max. modulation value = 90%. This means that as long as the ratio be-
tween Pconsumed/Available PV Power is below 90%, the CDP-G will try to
connect the associated loads.
Max. grid contribution = 20% This means that as long as the load can op-
erate with less than 20% of the power in the distribution lines, the CDP-G will
keep the loads connected. If the load needs more than 20% of the grid pow-
er, the CDP-G will disconnect the load once the Min. disconnection time has
passed.
In this situation, the CDP-G checks its working conditions:
Condition 1:

 
100 .  
(


100 = 40%) 40% ≤ 90% this condition is met
Condition 2:
-If Injection Margin = 0% It checks whether:
Pgrid < 2 x (0.03) x Pconsumed
-If Injection Margin ≠ 0% It checks whether:
Pgrid < 2 x Injection Margin x Pconsumed
0 < 2 x 0.03 x 4000 this condition is met
If the 2 conditions are met, the relay closes and connects
the load. (Figure 25)
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