Internal Components - ABB PQstorI Installation, Operation And Maintenance Instructions

P Q S T O R I I N S T R U C T I O N M A N U A L
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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
RFI-FILTER
AC
FUSES
L1
L2
L3
N1
N2
24V INT
24V EXT
AC RELAY LCL-FILTER
PRECHARGE
CIRCUIT
BLACK START
24 V
POWER MODULE DC BUS
CONTROL BOARD
DC RELAYS
DC FUSES
DC+
DC-
PRECHARGE
CIRCUIT