03 POWER ELECTRONICS AND CABINET FEATURES
3BHS213401 E01 REV H
ACS1000 AIR-COOLED
USER MANUAL
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3.5.4
AC redundant fans - operating principles
Default settings:
- Cycle time during which AC fan 1 and AC fan 2 run alternately: 10 h
- Operating time of AC fan 1: 6 h
- Operating time of AC fan 2: 4 h
Figure 3-13: Operating times of the AC fan units during continuous drive operation (
A
) and
Intermittent drive operation (
B
)
When the drive operates continuously, AC fan 1 switches off after six hours and fan 2 switches
on for four hours.
When the drive operates intermittently, the AC fan that is due for operation is switched on and
off in the same pattern as the drive until the programmed operating time has elapsed.
If one AC fan fails, the second AC fan switches on and runs continuously.
(1) Cycle time
(2) Fan 1
(3) Fan 2
(4) 10 hours
(5) 6 hours
(6) 4 hours
(7) On
(8) Off
1
2
3
4
4
5
5
6
A
B
7
8
7
8
Summary of Contents for ACS 1013-A1
Page 1: ... MEDIUM VOLTAGE AC DRIVES ACS1000 air cooled User manual ...
Page 3: ...Contents ACS1000 air cooled User manual ...
Page 5: ... 01 About this manual 01 3 14 ...
Page 16: ......
Page 17: ... 02 Important safety information 02 15 26 ...
Page 28: ......
Page 29: ... 03 Power electronics and cabinet features03 27 50 ...
Page 53: ... 04 Control system 04 51 66 ...
Page 68: ......
Page 69: ... 05 Transportation storage and disposal05 67 74 ...
Page 76: ......
Page 77: ... 06 Mechanical installation 06 75 82 ...
Page 84: ......
Page 85: ... 07 Electrical installation07 83 106 ...
Page 108: ......
Page 109: ... 08 Commissioning 08 107 112 ...
Page 115: ... 09 Operation 09 113 126 ...
Page 129: ... 10 CDP control panel 10 127 150 ...
Page 153: ... 11 Preventive and corrective maintenance 11 151 182 ...
Page 185: ......