Determining The Leakage Capacitance - Bosch Rexroth IndraDrive CsDrive System with HCS01 Project Planning Manual
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DOK-INDRV*-HCS01******-PR05-EN-P
Rexroth IndraDrive CsDrive Systems with HCS01
11.2
Determining the Leakage Capacitance
B1
Conductor in installation pipes and in installation channels to
be opened
B2
Cables or lines in installation pipes and in installation channels
to be opened
C
Cables or lines on walls
E
Cables or lines on open cable trays.
Fig. 11-1:
Installation methods (compare IEC 60364-5-52; VDE0298-7; EN
60204-1)
The capacitances which generate so-called leakage currents against ground
at the outputs of inverters are regarded as leakage capacitance C
cisive values for the total value C
●
Capacitances of output filters
●
Capacitances of power cables (capacitance per unit length against
shield and ground wire)
●
Capacitances of motors (winding capacitance against housing)
The leakage capacitance consists of the values of power cable and motor of
all individual drives operated at the mains filter.
Calculation:
C
Total value of leakage capacitance
ab_g
C
Total value of leakage capacitance of motor
ab_Mg
C
Total value of leakage capacitance of cable
ab_Kg
Fig. 11-2:
Total Leakage Capacitance
The total capacitance C
_ab_Mg
dividual motors. For these individual capacitances, see documentation of the
motor. For a list of selected values, see Appendix of this documentation un‐
der
chapter 11.3 "Leakage Capacitances" on page
C
Leakage capacitance of a motor
ab(motor)
Fig. 11-3:
Total Leakage Capacitance of Motor
Bosch Rexroth AG
of the leakage capacitance are:
ab_g
results from the sum of capacitances of the in‐
326.
325/341
Appendix
. The de‐
ab
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