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Voltage control and trip limits
The control and trip limits of the intermediate DC voltage regulator are relative to
the supply voltage as well as drive/inverter type. The DC voltage is approximately
1.35 times the line-to-line supply voltage, and is displayed by parameter
.
All levels are relative to the supply voltage range selected in parameter
. The
following table shows the values of selected DC voltage levels in volts and in percent
of
U
DCmax
(the DC voltage at the upper bound of the supply voltage range).
Supply voltage range [V AC] (see
660...690
525...600
500
440...480
380...415
208...240
Level [V DC (% of
UDCmax)]
1218
1113
880
878
800
489/440
1)
Overvoltage fault limit
1167
(125)
1013
(125)
810
(120)
810
(125)
700
(125)
405
(125)
Overvoltage control limit
1159
(124)
1008
(124)
806
(119)
806
(124)
697
(124)
403
(124)
Internal brake chopper at 100%
pulse width
1077
(116)
936
(116)
780
(116)
749
(116)
648
(116)
375
(116)
Internal brake chopper at 0% pulse
width
1071
(115)
932
(115)
776
(115)
745
(115)
644
(115)
373
(115)
Overvoltage warning limit
932
(100)
810
(100)
675
(100)
648
(100)
560
(100)
324
(100)
UDCmax = DC voltage at upper
bound of supply voltage range
891
709
675
594
513
281
DC voltage at lower bound of supply
voltage range
757 (85)
602 (85)
574 (85)
505
(85)
436 (85)
239 (85)
Undervoltage control and warning
limit
713 (80)
567 (80)
540
(80)
475 (80)
410 (80)
225 (80)
Charging activation/standby limit
535 (60)
425 (60)
405
(60)
356 (60)
308
(60)
168 (60)
Undervoltage fault limit
1) 489 V with frames R1…R3, 440 V with frames R4…R8.
Settings and diagnostics
Parameters:
,
30.30 Overvoltage control (page 364)
,
Undervoltage control (page 365)
,
95.1 Supply voltage (page 592)
, and
Program features 121
Содержание ACS880 Series
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