Emerson SP2203 - Output Sharing Chokes (for Motoring Drives Only); Figure 3-10 Output Sharing Choke Identification; 400; 600 V Output Sharing Choke Ratings; 400; 600 V Centre Tapped Output Sharing Choke Ratings

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22 Unidrive SP Regen Installation Guide
www.controltechniques.com Issue Number: 2
3.7 Output Sharing Chokes (for motoring drives only)
The following section covers the output sharing chokes which are currently available for Unidrive SP. These being used for the motoring drives in a
regen system only (between drive and motor).
Figure 3-10 Output sharing choke identification
For the 200V SPMx modules used in parallel configurations and where output sharing chokes are required the 400V OTL output sharing chokes
should be used.
The following tables detail the output chokes required for the various configurations of paralleled SPMA and SPMD power modules.
In order to achieve the best possible current sharing between paralleled Unidrive SPM modules, sharing chokes must be fitted.
Table 3-9 400 / 600V output sharing choke ratings
Table 3-10 400 / 600V centre tapped output sharing choke ratings
Current rating step
OTL: Output sharing choke
OTL
4 0 1
0: Single
1: Dual
Voltage rating
4: 380V to 480V
6: 500V to 690V
NOTE
When connecting either SPMA or SPMD drives in parallel
they must be de-rated by 5%
CAUTION
NOTE
Model
Current
A
Inductance
µH
Width (W)
mm
Depth (D)
mm
Height (H)
mm
Weight
kg
Part No.
OTL401 221 40.1 240 220 210 20 4401-0197-00
OTL402 267 34 242 220 205 20 4401-0198-00
OTL403 313 28.5 242 220 205 25 4401-0199-00
OTL404 378 23.9 242 220 205 25 4401-0200-00
OTL601 135 103.9 242 170 203 20 4401-0201-00
OTL602 156 81.8 242 170 203 20 4401-0202-00
OTL603 181 70.1 242 200 203 20 4401-0203-00
OTL604 207 59.2 242 200 203 20 4401-0204-00
Model
Current
A
Inductance
µH
Width (W)
mm
Depth (D)
mm
Height (H)
mm
Weight
kg
Part No.
OTL411 389.5 42.8 300 150 160 8 4401-0188-00
OTL412 470.3 36.7 300 150 160 8 4401-0189-00
OTL413 551 31.1 300 150 160 8 4401-0192-00
OTL414 665 26.6 300 150 160 9 4401-0186-00
OTL611 237.5 110.4 300 150 160 8 4401-0193-00
OTL612 273.6 88.4 300 150 160 8 4401-0194-00
OTL613 319.2 76.7 300 150 160 8 4401-0195-00
OTL614 364.8 65.7 300 150 160 8 4401-0196-00
The OTLX1X centre tapped output sharing chokes can only
be used when two Unidrive SPM drives are paralleled
together. For all other combinations the OTLX0X output
sharing choke must be used.
CAUTION