
CDP
Instruction Manual 29
Table 12: CDP-G programming (Single-phase installation with 3 loads to connect).
connection
connection
connection
• 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 = 50%. This means that as long as the load can op-
erate with less than 50% of the power in the distribution lines, the CDP-G will
keep the loads connected. If it needs more than 50% of the grid power, it will
disconnect the loads connected to the relays.
In this situation, the CDP-G checks its working conditions to connect the first
load:
• 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 27)
Komentáře k této Příručce