Lenze i950 - Mains Connection

Mains c
onnecon
The following should be considered for the mains connecon of inverters:
Single inverters are either directly connected to the AC system or via upstream lters. RFI
lters are already integrated in many inverters. Depending on the requirements, mains chokes
or mains lters can be used.
Inverter groups are connected to the DC system with the DC bus. For this purpose, the
inverters have to be provided with a connecon for the DC link, e. g. terminals +UG/-UG.
This enables the energy exchange in phases with operaon in generator and motor mode of
several drives in the network.
The DC system can be provided by power supply modules (AC/DC converters) or inverters with
a power reserve.
The technical data informs about the possible applicaons in the given groups. In the
dimensioning, data and further notes have to be observed.
The following examples contain the connecon opons for the variant Basic Safety - STO.
Informaon on electric
al installaon
Mains connecon
46