4 inverter as part of a pv system – KACO blueplanet 3.0 - 4.6 TL1 User Manual
Page 9
EN
Description
Operating Instructions for KACO blueplanet 3.0-4.6 TL1
Page 9
3.2.4
Inverter as part of a PV system
KWh
KWh
PV generator
PV generator
Inverter with
DC connection and DC
isolator switches
Inverter with
DC connection and
DC isolator switches
Line protection
Line protec-
tion
Load
Feed-in meter
Reference
counter
Main switch
Grid connection point
Selective main switch
Figure 2: Circuit diagram of a system with two inverters
Key Defi nition / connection information
PV generator
The PV generator, i.e. the PV modules, converts the radiant energy of
sunlight into electrical energy.
Inverter with:
- DC connection
The PV generator is connected directly to the inverter's DC connec-
tion. Two strings can be connected to the DC connection.
- DC isolator switch
Use the DC isolator switch to disconnect the inverter from all power
sources on the PV generator side.
Circuit breaker
A circuit breaker is an overcurrent protection device.
Feed-in meter
The feed-in meter is specifi ed and installed by the power supply
company. Some power supply companies also allow the installation
of your own calibrated meters.
Selective main switch
If you have questions about the selective main switch, contact your
power supply company.