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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
µ
H
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
µ
H
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
Summary of Contents for SP1201
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