Appendices
Capacity Selection for Regenerative Resistors
587
Appendices
Use the following equation to calculate the allowable frequency for regenerative operation.
•
n = J
L
/J
M
•
J
M
: Servo Motor moment of inertia (kg
m
2
)
•
J
L
: Load moment of inertia at motor shaft (kg
m
2
)
0
0
0
T
t
t
Load moment of inertia = 0 (Servo Motor only)
Speed reference
Servo Motor motor speed
Servo Motor-generated torque
Maximum motor speed
Maximum torque
Maximum torque
(Operation cycle)
Allowable frequency = 1/T (times/min)
Operating Conditions for Calculating the Allowable Regenerative Frequency
Regenerative
operation
(1+
n
)
×
Allowable frequency
Allowable frequency for regenerative operation for Servo Motor without load
Operating motor speed
Maximum motor speed
2
(time/min)
Summary of Contents for SGM7J-A5A
Page 1: ...yaskawa com SIGMA 7 AC Servo Drives and Motors Technical Supplement...
Page 18: ...18...
Page 21: ...SGMMV 4 SGM7J 18 SGM7A 54 SGM7P 116 SGM7G 134 Rotary Servo Motors...
Page 133: ...Rotary Servo Motors SGM7A 115 Rotary Servo Motors...
Page 151: ...Rotary Servo Motors SGM7P 133 Rotary Servo Motors...
Page 206: ...Rotary Servo Motors SGM7G 188...
Page 223: ...Direct Drive Servo Motors SGM7F With Core Inner Rotor 205 Direct Drive Servo Motors...
Page 251: ...Direct Drive Servo Motors SGM7D With Core Outer Rotor 233 Direct Drive Servo Motors...
Page 276: ...Direct Drive Servo Motors SGMCS Small Capacity Coreless or Medium Capacity with Core 258...
Page 409: ...Linear Servo Motors Recommended Linear Encoders and Cables 391 Cables and Peripheral Devices...
Page 435: ...ST2F Sigma Trac II Linear Stages 418 Sigma Trac II Linear Stages...
Page 495: ...SERVOPACKs 7W Two axis MECHATROLINK III Communications Reference SERVOPACKs 477 SERVOPACKs...
Page 516: ...SERVOPACKs SERVOPACK External Dimensions 498...
Page 547: ...SERVOPACK Cables 530 SERVOPACK Peripheral Devices 540 SERVOPACK Cables Peripherals...
Page 557: ...SERVOPACK Cables Peripherals SERVOPACK Cables 539 Cables and Peripheral Devices...
Page 599: ...Appendices Capacity Selection for Servo Motors 581 Appendices...
Page 615: ...Appendices Capacity Selection for Regenerative Resistors 597 Appendices...
Page 617: ...Appendices International Standards 599 Appendices...
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