CIRCUTOR CDP-0 - Manual (Page 52)

CDP
52 Instruction Manual
If we select the Three phase option the parameter Three phases mode will
appear on the screen, allowing us to select the control mode. The options
are:
Min. power phase, control by minimum power: when this option is selected
the CDP sends a production setpoint based on the phase of the minimum
consumption.
Max. power phase, control by maximum power: the CDP sends a production
setpoint based on the phase of the maximum consumption.
Selected phase, control by set phase: this option allows the user to set a
phase such that the CDP will always send the production setpoint to the
inverter based on that phase's consumption. When this option is selected a
dropdown menu appears on the screen allowing you to select the phase
(
Figure 70 )
Average power, control by average power: this option takes an average of the
consumption of the three phases and sends a production setpoint to the
inverter with the value of the average power.
Figure 70: Setup web site: detail of the inverter section.
• Allow compensation (
from 2 inverters ): This function allows you to manage
several inverters independently to obtain the maximum generation from each
of them.
Example: For example, an installation with two 5 kW inverters connected to
2 strings of independent panels on a gabled roof in the east-west direction
and consumption of 4 kW.
If in the morning, inverter 1 can generate 5 kW but inverter 2 can only gener-
ate 1 kW, because the panels are not receiving sufficient radiation, rather
than requesting 2 kW from each inverter, the CDP will request the maximum
power from the inverter that generates the least (1 kW) and the remainder
will be requested from the inverter which generates more (3 kW), to try to
reach the required consumption.
To do this, it will gradually increase the regulation percentage of both invert-
ers at the same time until both generate a total power equivalent to that re-
quired by the load.
Note: In three-phase systems, the connection of a CVM Mini is mandatory to
measure the power consumed/delivered to the mains.