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Table 2-54:
Maximum Additional Storage Energy for a Standard XC4
Bus Voltage
Maximum Additional Energy
160 V
71.3 J
320 V
25.2 J
If a shunt resistor is required, calculate the value of resistance necessary to dissipate the energy.
Equations 3
,
4
, and
5
:
Calculate the parameters of the shunt resistor.
Equation 3:
P
PEAK
peak power that the regeneration circuit must accommodate (W)
t
D
deceleration time (s)
Equation 4:
P
AV
average power dissipated on shunt resistor (W)
t
CYCLE
time between deceleration events (s)
Equation 5:
V
HYS
hysteresis voltage of regeneration circuit (V) [10 V, Typical]
Additional useful equations:
1 lb·ft = 1.356 N·m
1 rad/s = 9.55 rpm
XC4 Hardware Manual
2.8. External Shunt Option [-SX1]
www.aerotech.com
83
Summary of Contents for Automation1 XC4
Page 1: ...Revision 2 01 Automation1 XC4 PWM Digital Drive HARDWARE MANUAL...
Page 12: ...This page intentionally left blank Agency Approvals XC4 Hardware Manual 12 www aerotech com...
Page 24: ...Figure 1 4 Dimensions EB1 1 2 2 Dimensions XC4 Hardware Manual 24 www aerotech com...
Page 71: ...Figure 2 36 PSO Interface XC4 Hardware Manual 2 5 Auxiliary I O Connector www aerotech com 71...
Page 120: ...Index XC4 Hardware Manual This page intentionally left blank 120 www aerotech com...