Manual
PMI Regulator Motherboard
2-11
Figure 2.5 – AC Power Technology Circuit Block Diagram
BUS
INTERFACE
LOGIC
CARD SELECT
STROBE
DTACK
READ STROBE
WRITE STROBE
ADDRESS
DECODER
INTERNAL BACKPLANE INTERFACE
CHIP
SELECTS
CARR FREQ
CARRIER
COUNTER
CARRIER
FUND FREQ
FUNDAMENTAL
COUNTER
PHASE
DIRECTION
PRECISION FREQUENCY REFERENCE
PHASE READ
PHASE ERR
ABC PERIOD
UVW PERIOD
PHASE ROT
SYNCH
XFER
LOGIC
SYNCHRONOUS
TRANSFER
B/C
A/B
V/W
U/V
B/C
A/B
V/W
U/V
Iw
Iv
P1
Vuv 1
Vwv 1
VUV
VWV
VFBI GAIN
VFBI RESET
VOLTAGE FEEDBACK
CML BYPASS
CML GAINS
Id P + I
CONTROL
Id/Vd CMD
-
+
Id ERR
Iq P + I
CONTROL
lq/Vq CMD
-
+
Iq EER
Vd CMD
Vq CMD
Id FBK
Iq FBK
CURRENT MINOR LOOP
ANGLE
U
V
W
HARMONIC
INJECTION
+
+
+
+
+
+
VOUTu
VOUTv
VOUTw
OUTPUT
VECTOR
TRANSFORM
PWMu
PWMv
PWMw
PWM
COMPARATORS
DEAD TIME
GENERATOR
GATEut
GATEub
INPUT
TOP
BOT
GATEvt
GATEvb
INPUT
TOP
BOT
GATEwt
GATEwb
INPUT
TOP
BOT
DEAD TIME
THREE-PHASE VOLTAGE
PULSE WIDTH MODULATOR
Iw (5V = IOC)
-
-
Iu (5V = IOC)
ANGLE
U
V
W
CURRENT FEEDBACK
Iw FBK
Iu FBK
Iu
Iv
Iw
IOC LEVEL
Ilim LEVEL
I_gnd
Idc
Vdc
CARD FAULT
ILIM INT
PH U IOC
PH V IOC
PH W IOC
OVERVOLT
DC BUS IOC
GND FAULT
PRECH FBK
PRECH CMD
TEMP FAULT
TEMP WARN
KICK DOG
WATCHDOG
WD OK
POWER
PWR OK
SUPPLY
MONITOR
RESET
ON-BOARD
+18V
-18V
+5V
POWER
SUPPLIES
+15V
+5V
-5V
-15V
AND
CARD OK
FAULTED
GATE ENAB
OK TO RUN
AND
Ignd LEVEL
VDC (5V = MAX)
OVERV LVL
IDC (5V = IOC)
IOC LEVEL
Ignd FBK
PRECHARGE FDBK
PRECHARGE DRIVE
GATE POWER
MISC. I/O, FAULTS AND SAFETY
P2
RPI + 5V (ESTOP)
DRV_RDY
CARD FAULT
FEEDBACK
VECTOR
TRANSFORM
ADDRESS BUS
WRITE
TEMP FEEDBACK
TEMP LEVEL