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‑100‑
Installation method
Figure 5‑37 Installation of simple filter
5.4.5 Braking Components
Resistance of braking resistors
During braking, almost all regenerative energy of the motor is dissipated by the
braking resistor. The resistance of the braking resistor is calculated according to the
following formula: U x U/R = Pb.
U indicates the braking voltage upon stable braking of the system. The U value varies
with product series and can be adjusted through F9‑08. The U value of the MD500
series is 760 V by default.
Pb indicates the braking power.
Power of braking resistors
In theory, the power of braking resistor is the same as the braking power. However,
given the derating coefficient K, the actual power of braking resistor is calculated
using the following formula: K x Pr = Pb x D.
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