Chapter 5 Electrical Connection
5.1 Safety Instruction for Hot-line Job
Electrical connection must only be operated on by professional technicians. Please keep in
mind that the inverter is a bi-power supply equipment. Before connection, necessary
protective equipment must be employed by technicians, including insulating gloves,
insulating shoes and safety helmet.
· Dangerou s to life due to potential fire or electricity shock.
· When power -on, the equipment should be in conformity with national rules and regulations.
· The direct connection between the inverter and high voltage power systems must be operated by qualified tech nicians
in accordance with local and national power grid standards and regulations.
· When the PV array is exposed to light, it supplies a DC voltage to the inverter.
· Electrical connection should in conformity with proper stipula tions, such as stipulations for cross-sectional area of
conductors, fuse and ground protection.
· The overvoltage category on DC input port is II, on AC output port is III.
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