3 Peripheral Devices and Options
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108
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3.2.6 Selection Guide of dv/dt Reactor
A dv/dt reactor is installed on the output side to reduce large dv/dt, protecting the motor windings from
insulation breakdown, reduce motor temperature and extend the motor service life, and meanwhile
reduce interference on surrounding devices.
dv/dt reactor selection
Reactor
Rated
Current
at 40ºC
(A)
Rated
Power of
Typical
Motor (kW)
Rated
Inductance
(mH)
Power
Consumption
(W)
I/O Terminal Selection
Total
(kg)
RWK 305-4-KL 4 1.5 1.47 22 KL - - 1.2
RWK 305-7.8-KL 7.8 3 0.754 25 KL - - 1.2
RWK 305-10-KL 10 4 0.588 30 KL - - 1.8
RWK 305-14-KL 14 5.5 0.42 34 KL - - 2.2
RWK 305-17-KL 17 7.5 0.346 38 KL - - 2.5
RWK 305-24-KL 24 11 0.245 45 KL - - 2.5
RWK 305-32-KL 32 15 0.184 55 KL - - 3.9
RWK 305-45-KL 45 22 0.131 60 KL - - 6.1
RWK 305-60-KL 60 30 0.098 65 KL - - 6.1
RWK 305-72-KL 72 37 0.082 70 KL - - 6.1
RWK 305-90-KL 90 45 0.065 75 KL - - 7.4
RWK 305-110-KL 110 55 0.053 90 KL - - 8.2
RWK 305-124-KS 124 55 0.047 110 - KS - 8.2
RWK 305-143-KS 143 75 0.041 115 - KS - 10.7
RWK 305-156-KS 156 75 0.038 120 - KS - 10.7
RWK 305-170-KS 170 90 0.035 130 - KS - 10.7
RWK 305-182-KS 182 90 0.032 140 - KS - 16
RWK 305-230-KS 230 132 0.026 180 - KS - 22
RWK 305-280-KS 280 160 0.021 220 - KS - 29
RWK 305-330-KS 330 160 0.018 240 - KS - 32
RWK 305-400-S 400 200 0.015 330 - - S 34
RWK 305-500-S 500 250 0.012 340 - - S 35
RWK 305-600-S 600 355 0.01 380 - - S 37
RWK 305-680-S 680 400 0.009 410 - - S 38
RWK 305-790-S 790 450 0.007 590 - - S 43
RWK 305-910-S 910 500 0.006 740 - - S 49
RWK 305-1100-S 1100 630 0.005 760 - - S 66
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