A SERVICE OF

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15 - 2
15. SERVO AMPLIFIERS WITH A LARGE CAPACITY
(
30k TO 55kW
)
15.1.1 Function block diagram
The function block diagram of this servo is shown below.
Current
detection
Voltage
detection
Regenerative
TR
MC
Thyristor
Power
supply
Control
power
supply
L
11
L
21
L1
L
2
L3
CN1
I/F
CHARGE
lamp
Regenerative
option
Converter
Diode
stack
P
1
P
2
Cooling fan
C
CPU
Trouble, warning, forced stop
CN40
Converter unit
protection coordination
CN40A
L
11
L21
L
L
L
L
Power factor
improving DC
CNP1
MC drive
Base
amplifier
NFB