Ingeteam INGECON SUN 1000TL U B360, Installation And Operation Manual

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ABK2027IQE01_A - Installation and Operation Manual
In the following diagram the inverter with -TSGND and the inverter without -TSGND are marked in a system with
two inverters against one transformer:
-PV1 -PV2
-INV1
-QDC -QDC
-FG1
-TSGND
-INV2
+
-
+
-
If the inverter has the -TSGND card installed, its operating procedure will be different to that of the inverter
without a -TSGND card. Follow the instructions below for each case.
In addition, we will differentiate between operations upstream and downstream of the switch.
10.3.1. Inverters with -TSGND card
DANGER
All the operations described below must always and without exception be performed following the five golden
rules.
Operations upstream of the DC switch (inverter side)
The unit with a -TSGND card is the one that performs the ground connection of the entire system, so if it is
disconnected the ground connection of the system is temporarily removed. Because of this, before stopping the
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Connection of the PV array grounding kit [optional] Ingeteam