Mr-J3/Mr-J3W Series Power Factor Improving Ac Reactor - Mitsubishi Electric MELSERVO-J3 Series Handbook

Part 8: Review on Replacement of Optional Peripheral Equipment

7.2 MR-J3/MR-J3W series Power Factor Improving AC Reactor

The power factor improving reactors improve the phase factor by increasing the form factor of servo amplifier's
input current.
It can reduce the power capacity.
The input power factor is improved to be about 90%. For use with a 1-phase power supply, it may be slightly
lower than 90%.
In addition, it reduces the higher harmonic of input side.
When using power factor improving AC reactors for two or more servo amplifiers, be sure to connect a power
factor improving AC reactor to each servo amplifier.
If using only one power factor improving AC reactor, enough improvement effect of phase factor cannot be
obtained unless all servo amplifiers are operated.
W
RX S Y T Z
C W1
Note. For the 1-phase 200 to 230 V AC power supply, Connect the power supply to L
200 to 230 V AC
380 to 480 V AC
D1
Installation screw
200 to 230 V AC
100 to 120 V AC
8 - 59
MCCB
3-phase
or
3-phase
MCCB
(Note)
1-phase
MCCB
1-phase
, L and leave L
1 2
Servo amplifier
3-phase 200 V class
3-phase 400 V class
FR-BAL-(H)
MC
R X
L
1
S Y
L
2
T Z
L
3
Servo amplifier
1-phase 200 V class
FR-BAL
MC
R X
L
1
S S Y Y
L
2
T T Z Z
L
3
Servo amplifier
1-phase 100 V class
FR-BAL
MC
R X
L
1
S S Y Y
Blank
T T Z Z
L
2
open.
3
or