6
PQSTOR I
I N S TR U C TI O N M A N UA L
2.2 Internal components
Figure 3 provides a block diagram illustrating the internal components of the PQstorI product.
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Figure 3: Block diagram of main PQstorI components
E
L1
DC+
DC-
L2
L3
N1
N2
24V EXT
24V INT
24 V
DC FUSES
DC RELAYS
DC BUS
POWER MODULE
LCL-FILTER
AC RELAY
RFI-FILTER
AC
FUSES
BLACK START
CONTROL BOARD
PRECHARGE
CIRCUIT
PRECHARGE
CIRCUIT