Calculation Of Regenerative Resistance - Servotronix CDHD2S User Manual

Drive Setup
To determine whether the system requires a regenerative resistor and determine the capacity
level (if required), please refer to the "calculation of regenerative resistance" to calculate the
performance of the system.

4.11.2 Calculation of regenerative resistance

CDHD2S busbar specifications
Table 4-39 Busbar specifications - two-phase AC voltage 120/240V
Drive model
CDHD2S-1D5
CDHD2S-003
CDHD2S-4D5
CDHD2S-006
Table 4-39 Busbar specifications – three-phase AC voltage 380/480V
Drive model
CDHD2S-012
Figure 4-41 Regenerative resistor working circuit
Rated voltage Low-voltage
(DC voltage) (DC voltage)
170/340 380
170/340 380
170/340 380
170/340 380
Rated voltage Low-voltage
(DC voltage) (DC voltage)
540/680 750
Maximum
High-voltage
voltage (DC
(DC voltage)
voltage)
400 420
400 420
400 420
400 420
Maximum
High-voltage
voltage (DC
(DC voltage)
voltage)
770 800
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