3
3-30 | CFW-11M RB
Installation and Connection
3.4.7.6 Filter Components
The inductor are three-phase reactors whose values of inductance, saturation inductance, rated current,
and other data are presented in table 3.10.
L1:
There will be a high ripple at the switching frequency of the regenerative converter in the current that goes
through the L1 inductor. This factor must be taken into consideration for the design of the inductor.
ATTENTION!
The design of the L1 inductor should consider the additional losses mainly in the iron (magnetic
losses) due to current component at the switching frequency. The mechanical construction must be
done in order to avoid excessive acoustic noise especially in the switching frequency.
Table 3.11 -
L1 indutor data
Model: Current / Voltage
Overload
600 / 380 / 480 1140 / 380 / 480 1710 / 380 / 480 2280 / 380 / 480 2850 / 380 / 480
ND
HD
ND
HD
ND
HD
ND
HD
ND
HD
Rated output current (A)
600
515
1140
979
1710
1468
2280
1957
2850
2446
L1 Inductor (L
BOOST
)
Inductance at rated current (
µ
H)
143.7
75.7
50.4
37.8
30.3
Saturation Inductance (
µ
H) @1.5x nom
71.9
37.8
25.2
18.9
15.1
Saturation current (A)
900.0
1710.0
2565.0
3420.0
4275.0
Thermal current (A)
630
1197
1796
2394
2993
Fundamental frequency (Hz)
60/50 Hz
60/50 Hz
60/50 Hz
60/50 Hz
60/50 Hz
Switching frequency (Hz)
2500 Hz
2500 Hz
2500 Hz
2500 Hz
2500 Hz
ΔI @ 2x2500 Hz (A)
176.2
316.3
477.0
633.1
800.0
RMS voltage over the coil - ΔVrms (V)
202.1
201.5
201.1
200.7
202.5
Overload
150 % -
1 min/10 min
150 % -
1 min/10 min
150 % -
1 min/10 min
150 % -
1 min/10 min
150 % -
1 min/10 min
Power units
1
2
3
4
5
Model: Current / Voltage
Overload
470 / 500 / 600 893 / 500 / 600 1340 / 500 / 600 1786 / 500 / 600 2232 / 500 / 600
ND
HD
ND
HD
ND
HD
ND
HD
ND
HD
Rated output current (A)
470 380
893 722
1340 1083
1786 1444
2232 1805
L1 Inductor (L
BOOST
)
Inductance at rated current(
µ
H)
229.3
120.7
80.5
60.4
48.3
Saturation Inductance (
µ
H) @1.5xInom
114.7
60.4
40.2
30.2
24.1
Saturation current (A)
705.0
1339.5
2010.0
2679.0
3348.0
Thermal current (A)
493.5
937.65
1407
1875.3
2343.6
Fundamental frequency (Hz)
60/50 Hz
60/50 Hz
60/50 Hz
60/50 Hz
60/50 Hz
Switching frequency (Hz)
2500 Hz
2500 Hz
2500 Hz
2500 Hz
2500 Hz
ΔI @ 2x2500 Hz (A)
139.6
245.7
368.4
491.8
715.0
RMS voltage over the coil - ΔVrms (V)
253.7
247.9
248.0
248.8
251.5
Overload
150 % -
1 min/10 min
150 % -
1 min/10 min
150 % -
1 min/10 min
150 % -
1 min/10 min
150 % -
1 min/10 min
Power units
1
2
3
4
5
Model: Current / Voltage
Overload
427 / 660 / 690
811 / 660 / 690 1217 / 660 / 690 1622 / 660 / 690 2028 / 660 / 690
ND
HD
ND
HD
ND
HD
ND
HD
ND
HD
Rated output current (A)
427
340
811
646
1217
969
1622
1292
2028
1615
L1 Inductor (L
BOOST
)
Inductance at rated current(
µ
H)
290.4
152.8
101.9
76.4
61.1
Saturation inductance (
µ
H) @1.5xInom
145.2
76.4
50.9
38.2
30.6
Saturation current (A)
640.5
1216.5
1825.5
2433.0
3042.0
Thermal current (A)
448.35
851.55
1277.85
1703.1
2129.4
Fundamental frequency (Hz)
60/50 Hz
60/50 Hz
60/50 Hz
60/50 Hz
60/50 Hz
Switching frequency (Hz)
2500 Hz
2500 Hz
2500 Hz
2500 Hz
2500 Hz
ΔI @ 2x2500 Hz (A)
118.0
226.0
337.7
444.2
553.9
RMS voltage over the coil - ΔVrms (V)
281.9
286.1
267.8
285.1
285.2
Overload
150 % -
1 min/10 min
150 % -
1 min/10 min
150 % -
1 min/10 min
150 % -
1 min/10 min
150 % -
1 min/10 min
Power units
1
2
3
4
5
Содержание CFW-11M RB
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