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17
5.3
THE CONNECTION OF THE GROUND LINE
Good grounding is good for resisting surge voltage shock and improving EMI performance.Therefore, before connecting
AC, DC and communication cables, you need to ground the cable rstly. For a single system, just ground the PE cable. For
multiple machine systems, all PE cables of the inverter need to be connected to the same grounding copper platoon to
ensure the equipotential connection. The installation of the shell ground wire is shown as picture 5.11.
5.4
MAX. OVER CURRENT PROTECTION DEVICE
In order to protect the inverter AC connection, it is recommended to install a circuit breaker to prevent overcurrent.
See table 5.3 below.
Inverter
BPT-V03-12
BPT-V03-15
Hymon Fotowoltaika Sp z o.o.
ul. Dojazd 16A 33-100 Tarnów
Pic 5.11The installation of the shell ground wire
Warning:
Inverter has built-in leakage current detection circuit, If an external leakage
current protection device is connected, its operating current must be greater
than 300 mA or higher, otherwise inverter may not work properly.
Rated output
voltage(V)
230
230
Table 5.3 Recommended current protector speci cations
Rated output
Current for protection
current(A)
device(A)
17.4
21.8
Wyłączny dystrybutor nowoczesnych systemów
www.hymon.pl
30
30
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