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13
5. ELECTRICAL CONNECTION
WARNING:
All electrical installations shall be done in accordance with the
local and national requirement of AS/NZS 3000
WARNING:
Policies vary from one utility company to another. Consult with a
representative of the local utility company before designing and installing a PV
system.
5.1
System Diagram with Inverter Electrical connection
This unit or system is provided with fixed trip limits and shall not be aggregated
above 30 kW on a single Point of Common Connection.
PV Panel: Provide DC power to inverter.
Converts DC (Direct Current) power from PV panel(s) to AC (Alternating
Current) power. Because Inverter is grid-connected it controls the current
amplitude according to the PV Panel power supply. Inverter always tries to
convert the maximum power from your PV panel(s).
Connection system: This “interface” between Utility and PV-Inverter may consist
of electrical breaker, fuse and connecting terminals. To comply with local safety
standards and codes, the connection system should be designed and implemented
by a qualified technician.
Utility: Referred to as “grid” in this manual, is the way your electric power
company provides power to your place.
Position
Description
A
PV modules
B
DC load circuit breaker
C
Growatt Inverter
D
AC load circuit breaker