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14. OPTIONS AND AUXILIARY EQUIPMENT
14.12 Power factor improving reactors
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%.
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.
R X SY T Z
Y
Z
S
T
MC
MCCB
MC
MCCB
MC
MCCB
X
R
X
Y
Z
R
S
T
X
Y
Z
R
S
T
W
C
Installation screw
W1
D1
H ±
5
D ±
5
FR-BAL-(H)
FR-BAL
FR-BAL
L
2
Blank
L
1
L
3
L
2
L
1
L
3
L
2
L
1
Servo amplifier
3-phase 200V class or
3-phase 400V class
Servo amplifier
1-phase 200V class
Servo amplifier
1-phase 100V class
3-phase
200 to
230VAC
or
3-phase
380 to
480VAC
(Note)
1-phase
200 to 230VAC
1-phase
100 to 120VAC
Note. For the 1-phase 200V to 230V power supply, Connect the power
supply to L
1
, L
2
and leave L
3
open.
Содержание Melservo-J3 Series MR-J3-B
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Страница 55: ...1 36 1 FUNCTIONS AND CONFIGURATION MEMO ...
Страница 61: ...2 6 2 INSTALLATION MEMO ...
Страница 179: ...4 58 4 SIGNALS AND WIRING MEMO ...
Страница 241: ...5 62 5 OPERATION MEMO ...
Страница 357: ...10 16 10 SPECIAL ADJUSTMENT FUNCTIONS MEMO ...
Страница 385: ...11 28 11 TROUBLESHOOTING MEMO ...
Страница 397: ...12 12 12 OUTLINE DRAWINGS MEMO ...
Страница 755: ...17 70 17 SPEED CONTROL OPERATION MEMO ...
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