Electrical Connection - Sungrow SG2K5-S User Manual

5 Electrical Connection

Prior to any electrical connections, keep in mind that the inverter has dual
power supplies. It is mandatory for the technical personnel to wear personal
protective equipments (PPE) during the electrical work.
Danger to life due to a high voltage inside the inverter
 Make sure that the cables are not live before electrical connection.
 Do not turn on the AC circuit breaker until all the electrical
connections are completed.
Improper operation during the wiring process can cause fatal injury to
the operators or unrecoverable damage to the inverter.
Only qualified personnel can perform the wiring work.
All cables must be firmly attached, undamaged, properly insulated and
adequately dimensioned.
Comply with the safety instructions related to the PV strings and the
regulations related to the utility grid.
All electrical connections must be in accordance with local and
national standards.
Only with the permission of the utility grid, the inverter can be
connected to the utility grid.
Electrical connections of the inverter include grounding, PV connection, AC
connection and communication connection.
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