IF08CZ9 September, 2019
- 42 -
CIRCUIT OPERATION (cont’d)
SM Control Block Diagram
÷
FL_R
$LMT_IQ_BAS
$LMT_IQ_TOP
$LMT_IQ_INV
$LMT_SP_BASE
$LMT_I1
Current
control
$ACR_A
$ACR_P
$ACR_W1
$LMT_E
EQ_R
ED_R
Voltage
reference
Voltage
control
SP_F
÷
MAIN_VAC_F
+
-
FC_REF
$MS_FLBST_INI
$MS_FLBST_IQACC
$MS_FLBST_VPLL
$MS_KF1
+
+
Phase
FL_CMD
QOCMP
To Exciter
FSEEK_FREQ
SP_R
VPLL_ON=1
Gate Pulse
+
-
IQ_REF
ID_REF
IQ_FBK
ID_FBK
+
+
+
-
SP_F
Speed
control
$MS_START_IQ
$ASPR_A
$ASPR_AT
$ASPR_P
$ASPR_W1
VPLL_ON=1
$FLT_T_R
$LMT_T_R
T_R
Voltage
detection
VU_FBK
VV_FBK
VW_FBK
Speed
Estimation
VPLL_ON=1
SP_R
Ampli
-tude
MAIN_VAC_F
FSEEK_FREQ
Toshiba Reference File #328