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14. OPTIONS AND AUXILIARY EQUIPMENT
(b) Losses of servo motor and servo amplifier in regenerative mode
The following table lists the efficiencies and other data of the servo motor and servo amplifier in the
regenerative mode.
Servo amplifier Inverse efficiency[%] Capacitor charging[J] Servo amplifier Inverse efficiency[%] Capacitor charging[J]
MR-J3-10T 55
9
MR-J3-200TN
85
40
MR-J3-10T1 55
4
MR-J3-200T4 85
25
MR-J3-20T 70
9
MR-J3-350T 85
40
MR-J3-20T1 70
4
MR-J3-350T4 85
36
MR-J3-40T
85 11
MR-J3-500T(4)
90 45
MR-J3-40T1
85 10
MR-J3-700T(4)
90 70
MR-J3-60T(4) 85
11
MR-J3-11KT(4)
90
120
MR-J3-70T 80
18
MR-J3-15KT(4)
90
170
MR-J3-100T 80
18
MR-J3-22KT(4)
90
250
MR-J3-100T4 80
12
Inverse efficiency ( )
:Efficiency including some efficiencies of the servo motor and servo amplifier
when rated (regenerative) torque is generated at rated speed. Since the
efficiency varies with the speed and generated torque, allow for about 10%.
Capacitor charging (Ec) :Energy charged into the electrolytic capacitor in the servo amplifier.
Subtract the capacitor charging from the result of multiplying the sum total of regenerative energies by the
inverse efficiency to calculate the energy consumed by the regenerative option.
ER [J]
Es Ec
Calculate the power consumption of the regenerative option on the basis of single-cycle operation period tf [s]
to select the necessary regenerative option.
PR [W] ER/tf
Содержание Melservo-J3 Series MR-J3-B
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