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11. OPTIONS AND PERIPHERAL EQUIPMENT
11 - 35
11.8 Power factor improving AC reactor
The following shows the advantages of using a power factor improving AC reactor.
It improves the power factor by increasing the form factor of the servo amplifier's input current.
It decreases the power supply capacity.
The input power factor is improved to about 80%.
When using power factor improving reactors for two servo amplifiers or more, be sure to connect a power
factor improving reactor to each servo amplifier. If using only one power factor improving reactor, enough
improvement effect of phase factor cannot be obtained unless all servo amplifiers are operated.
(1) Connection example
(a) For 3-phase 200 V AC to 240 V AC power supply
Y
Z
S
T
MCMCCB
FR-HAL
Servo amplifier
XR
L1
L2
L3
3-phase
200 V AC to 240 V AC
(b) For 1-phase 200 V AC to 240 V AC power supply of MR-JE-10B to MR-JE-100B
Y
Z
S
T
MCMCCB
FR-HAL
Servo amplifier
XR
L1
L2
(Note)
1-phase
200 V AC to 240 V AC
L3
Note. Connect the power supply to L1 and L3. Leave L2 open.
(c) For 1-phase 200 V AC to 240 V AC power supply of MR-JE-200B
Y
Z
S
T
MCMCCB
FR-HAL
Servo amplifier
XR
L1
L2
L3
(Note)
1-phase
200 V AC to 240 V AC
Note. Connect the power supply to L1 and L2. Leave L3 open.