Hws1500, 1800T - TDK-Lambada HWS?HWS User Manual

HWS
1500, 1800T
L
Input
Line
Filter
85-265 VAC
N
FG
Switching circuit
Half - bridge converter : 3 - 5V 45kHz (fixed), 6 - 7V 55kHz (fixed), 12 - 60V 70kHz (fixed)
PFHC circuit : Active filter 65kHz (fixed)
Fuse rating : 30A
FG : Function ground
L1
Line
Input L2
Filter
170
L3
FG
Switching circuit
Half - bridge converter : 3 - 5V 45kHz (fixed), 6 - 7V 55kHz (fixed), 12 - 60V 70kHz (fixed)
PFHC circuit : Active filter 65kHz (fixed)
Fuse rating : 20A
FG : FUNCTION GROUND
Block Diagram
Inrush
Current PFHC
Rectifier Filter
Limit Circuit
Circuit
OCP
Circuit
Latch
Circuit
PFHC
Control
Switching
Circuit
Control
Circuit
Supplemental
Power supply
Inrush
Current PFHC
Rectifier Filter
Limit Circuit
Circuit
OCP
Circuit
Latch
Circuit
Open PFHC
Phase Control
Switching
Detection Circuit
Control
Circuit
Supplemental
Power supply
Primary Circuit Secondary Circuit
Rectifier
Switching
&
Circuit
Filter
Thermal
Protection
OVP
Circuit
LVP Delay
Circuit Timer
Blower
Fan
SELV Circuit
(60V: Hazardous Voltage Circuit)
Primary Circuit Secondary Circuit
Rectifier
Switching
&
Circuit
Filter
Thermal
Protection
OVP
Circuit
LVP Delay
Circuit Timer
Blower
Fan
SELV Circuit
(60V: Hazardous Voltage Circuit)
+S
+
Output
COM
OVP
Sensing
Low output
Voltage
Detection
Output
Sensing
PV
Output
Current
PC
Balance
REF
Reference Voltage
PF
TOG
Remote
ON/OFF
Control CNT
+S
+
Output
COM
OVP
Sensing
Low output
Voltage
Detection
Output
Sensing
PV
Output
Current
PC
Balance
Reference
REF
Voltage
PF
TOG
Remote
ON/OFF
Control
CNT