Pv Side-Wiring - Alpha ESS Storion-T50 Installation Manual

Notice that the AC output neutral is not connected to ground.
Rated power
50kW
100kW
Rack and modules need to be grounded reliably! The grounding resistance should

4.4.4. PV Side-Wiring

be less than 4Ω.
A. Use a multi-meter to measure the voltage of PV port, and ensure that the voltage is
within input voltage range of PCS.
B. Disconnect PV switch. Wiring operation can be conducted after using a multi-meter to
measure and confirm that there is no voltage between positive and negative poles of
PV input.
C. Connect the positive pole of storage battery to "DC+" of DC input of DC switch.
D. Connect the negative pole of storage battery to "DC-" of DC input of DC switch.
E. Confirm wiring firmness.
Rated power
50kW
100kW
The PV connection is shown in Figure 4- 16.
______________________________________________________________________
Installation
Table 19 Grounding PE cable description
Copper PE line section recommendation (mm²)
Table 20 DC cable description
Copper DC line section recommendation (mm²)
Alpha ESS Co., Ltd.
Your Smart Energy
≥16
≥25
≥35
≥95
Page 37 of 48