26
25
4.6.5 Earthing
Inverter must be earthing well for safety; Please make sure of the connection
between PE in power distribution cabinet and PE copper in the inverter good; and
make sure the earthing cable more than 6mm2 and the earthing resistance must
below 4 ohm.
Inveter earthing busbar please refer to above photo cable inlet and outlet are on the
bottom of inverter, after finishing connection, tighten the cable tighten gland.
Note: the PE busbar is for grounding inside inverter, please do not
change to avoid electric shock risk
4-6-1-2 cable inlet and outlet
4.7 Communication
The HPS series hybrid energy storage system has multiple communication modes.
When users need to monitor the operation status of the energy storage and
discharge system, RS485 serial port or CAN communication mode can be used for
power supply.
4.7.1 RS485
Users can d i rectly u s e t h e RS485/RS232 converter for h o s t c o m p u t e r
communication. The HPS communicates with the HPS through RS485, and finally
communicates with the PC through the RS485 to RS232 datalogger, runs the
monitoring software in the PC, and monitors the running status of the single/multiple
energy storage controllers in real time.
Rs485 communication line uses terminal blocks at both ends, and RS485
communication lines are made by parallel connection of terminals at both ends. The
length should not exceed 1000 meters. As shown in Figure 4-7-1-1
Figure 4-7-1-1
4.7.2 CAN communication
Rate of CAN communication is between 100K and 500K, and the shielded twisted
pair is used for communication to ensure communication quality.
4.8 Installation inspection
Before the inverter is put into operation, it shall be inspected for installation. Two
working men or more shall inspect to ensure correct installation of all installation
according to the following table.
Mechanical inspection
Inverter's bottom is fixed, and the support is stable and reliable.
Enough space is left around inverter.
The ambient temperature, humidity and ventilation satisfy requirements.
Smooth flow of cooling air.
Complete and reliable sealing protection of cabinet.
No deformation and damage to inverter.
To Next Page
Loading...
