Omron KP100L-OD - 12-2010, User Manual

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2 Design
2 - 2 Grid Connect Photovoltaic Inverte KP100L-OD-  USER’S MANUAL
2-1 Typical System Configuration
The figure below shows the typical system configuration of the KP100L.
 Applicable grid network
The KP100L is designed to operate with grid network system type TT, TN as shown in the figure below. If the
KP100L is connected to the different type of grid network such as IT, it may be fault occur.
•
Ground fault breaker / RCD
•
AC breaker
•
SPD
•
DC fuse
•
DC switch/breaker
•
SPD
The equipments in AC and DC side are used
depends on the design of the customer.
Solar module 1
Solar module 2
Solar module 3
Connection with grid network type TN Connection with grid network type TT
Connection with grid network type IT
Impedance
N
L1
L2
L3
L1
L2
L3
PEN
N
PE
L1
L2
L3
N
L1
L2
L3