Connecting the Inverter to the Utility Grid
Requirements: Only the terminal block supplied may be used for the AC connection. The connection requirements of the grid operator must be met. The grid voltage
The characteristics of different communication methods of inverters are obvious, and the application scenarios are different. In order to better weave the underlying network of energy digitization and intelligent development, choose the most appropriate communication method according to local conditions.
The data signal is connected to the low-voltage busbar through the power line on the AC side of the inverter, the signal is analyzed by the inverter supporting the data collector, and the communication is finally connected to the local power station management system or the cloud platform through the LAN or the Internet 2. Application scenario 4.
Guide each cable into the inverter. In the process, lay each cable in such a way that they do not come into contact with the communication assembly. Connect the grounding conductor to the grounding terminal: Insert the screw through the conical spring washer, the clamping bracket and the washer.
Remove the adhesive tape from the enclosure opening for the AC connection. Insert the cable gland into the opening and tighten it with the counter nut from the inside. Guide each cable into the inverter. In the process, lay each cable in such a way that they do not come into contact with the communication assembly.
Disconnect the AC miniature circuit breaker and secure against reconnection. Remove the adhesive tape from the enclosure opening for the AC connection. Insert the cable gland into the opening and tighten it with the counter nut from the inside. Guide each cable into the inverter.
Guide the conductor between the washer and clamping bracket and tighten the screw (TX 25) (torque: 6 Nm ± 0.3 Nm). Plug the terminal block for the AC connection in the AC-out slot in the inverter, and tighten it with a flat-blade screwdriver (blade width: 3.5 mm) (torque: 0.3 Nm).
Requirements: Only the terminal block supplied may be used for the AC connection. The connection requirements of the grid operator must be met. The grid voltage
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