Nidec Unidrive M600 Series - Page 38

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information
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Information
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design
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Installation
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Installation
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started
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38 Unidrive M Regen Design Guide
Issue Number: 4
Table 3-21 690 V (500 V to 690 V ±10 %) Regen filter components to support up to 2 % THD
v
on grid
* Modify Rated Current (05.007) to match current rating of inductor.
SFF capacitor current is the total rms line current per can, calculated the respective rated voltage +10 % 60 Hz, maximum capacitor tolerance
(+10 %), and 3 kHz switching frequency.
** Delta connection.
* SFF circuit protection is provided by the main Regen system supply fuses, providing the conditions outlined in section 11.1 Switching frequency filter
(SFF) protection on page 308 are met.
3.9.7 Varistors
AC line voltage transients can typically be caused by the switching of large items of plant or by lightning strikes on another part of the supply system.
If these transients are not suppressed they can cause damage to the insulation of the Regen input inductors, or to the Regen drive electronics.
The varistors shown in the table below are available from the supplier of the drive and should therefore be fitted as shown in section 4.2 Power
connections on page 40.
Table 3-22 Varistor data
Suitable DIN rail mounted surge protectors are also available from CITEL (DS40 series)
Drive mode Regen inductor SFF inductor SFF capacitor
Heavy
Duty
Normal
Duty
mH Arms Part number mH Arms
Part
number
Capacitor
value
Rated
voltage
Part number
Capacitor
current per
can Arms
Fuse
rating
(A)
µF Vac
07600190 5.300 19 4401-0210
1.400
22 4401-1211
8.3
800
1668-7833
4.7 8
07600240* 07600190* 4.600 22 4401-0211 4.8 8
07600290* 07600240* 3.800 27 4401-0212
36
4401-1213 5 8
07600380* 07600290* 2.800 36 4401-0213 4401-1213 5.5 8
07600440* 07600380* 2.400 43 4401-0214 1.200 43 4401-1214 5.8 10
07600540* 07600440 1.900 52 4401-0215 1.000 52 4401-1215 6.6 10
08600630 07600540* 1.600 63 4401-0216 0.800 63 4401-1216 7.3 12
08600860* 08600630* 1.200 85 4401-0217 0.600 85 4401-1217
16.6 1668-8163
11.6 20
09601040* 08600860* 1.000 100 4401-0218 0.510 100 4401-1218 12.8 20
09601310* 09601040 0.810 125 4401-0219 0.400 125 4401-1219 14.5 25
10601500* 09601310* 0.700 144 4401-0220 0.350 144 4401-1220
2 x 16.6
2 x
1668-8163
10.9 20
10601780* 10601500* 0.600 168 4401-0221 0.300 168 4401-1221 11.6 20
10601780* 0.530 192 4401-0421 0.260 192 4401-1222 12.4 20
11602100 11602100 0.441 230 4401-0297
0.221 230 4401-0306 2 x 46.2**
2 x
1668-8464
28
40
11602380 0.441 230 4401-0297 40
11602380 0.361 281 4401-0298 0.181 281 4401-0307 3 x 46.2**
3 x
1668-8464
40
11602630 0.441 230 4401-0297 0.221 230 4401-0306 2 x 46.2**
2 x
1668-8464
40
11602630 0.361 281 4401-0298 0.181 281 4401-0307 3 x 46.2**
3 x
1668-8464
40
The 3-phase switching frequency filter (SFF) capacitors are situated on the input of the Regen system. If the harmonic distortion of the
supply is high for extended periods then this can cause a reduction of the service life of the capacitors. The effect of this is to reduce the
capacitance value. If high levels of harmonic distortion are expected then it is recommended that the capacitance values be checked
periodically, and capacitors which have fallen outside of their tolerance range be replaced.
CAUTION
NOTE
NOTE
Drive rating
Voltage rating V
RMS
Energy rating
J
Quantity
per system
Configuration Part number
200 V
(200 V to 240 V ±10 %)
550 620
3
Line to line 2482-3291
680 760 Line to ground 2482-3211
400 V
(380 V to 480 V ±10 %)
550 620 Line to line 2482-3291
680 760 Line to ground
2482-3211
500 V
(500 V to 575 V ±10 %)
680 760 Line to line
1000 1200 Line to ground 2482-3218
690 V
(500 V to 690 V ±10 %)
385 550 6 2 in series line to line 2482-3262
1000 1200 3 Line to ground 2482-3218