Alpha ESS Storion-T50 Manuale di installazione - Pagina 16
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INSTALLATION
4.4.5 AC Side-Wiring
A.
Ensure that the phase consequence of wires should be a positive consequence.
B.
Disconnect AC output distribution switch in PCS.
C.
Use a multi-meter to measure and ensure that the cables connected to the terminals
are electrically neutral.
D.
While on-grid mode, A(L1)/B(L2)/C(L3) phases of AC output distribution switch of
utility grid and PE are respectively connected to A(L1)/B(L2)/C(L3) phases of utility grid
and PE.
E.
While off-grid mode, A(L1)/B(L2)/C(L3) phases of AC output distribution switch of PCS
and PE are respectively connected to A(L1)/B(L2)/C(L3) phases of generator AC output
and PE.
F.
Confirm wiring firmness.
Table 22 AC cable description
Rated power
50kW
100kW
WARNING
Ensure that there is no dangerous voltage at connection points during wiring.
NOTICE
All wires are connected to the wiring terminals externally from the wiring holes at the
bottom of PCS. After wiring, fireproofing mud should be used to seal the wiring holes.
Please refer to the following diagram to connect power cables.
Figure 4-21 AC-Side wiring
diagram, off-grid mode
27
Copper AC line section recommendation (mm²)
≥25(Load port); ≥50(Grid port);
≥50(Load port); ≥95(Grid port);
Figure 4-22 AC-Side wiring
diagram, on-grid mode
28
4.4.6 Meter Wiring(On-grid mode)
Please refer to the following diagram to connect the CT meter.
K
H
I
E
A
F
Figure 4-23 Schematic diagram of the appearance of the meter
Table 23 Ports Description
No
Description
A
Power port 1
B
Power port 2
C
Power port 3
D
Power port N
E
CT1 sampling line wiring port +
F
CT2 sampling line wiring port +
G
CT3 sampling line wiring port +
H
CT1 sampling line wiring port -
I
CT2 sampling line wiring port -
J
CT3 sampling line wiring port -
K
Meter communication port 1
Meter communication port 2
L
INSTALLATION
L
J
B
G
C
Description
Connect to L1
Connect to L2
Connect to L3
Connect to N
Connect to S1 of CT1
Connect to S1 of CT2
Connect to S1 of CT3
Connect to S2 of CT1
Connect to S2 of CT2
Connect to S2 of CT3
Connect to EMS or other meters through network
cable to realize communication between devices.
Connect to EMS or other meters through network
cable to realize communication between devices.
D