Eaton 93PM Installation Guide Page 22
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14 30-200 kW P-164000249
User's and Installation Guide Revision 2
Internal relay contacts
Figure 2-4: Path of current through the UPS in double conversion mode
Three-phase AC input power is converted to DC using a multilevel converter with IGBT devices to
produce a regulated DC voltage to the inverter. The UPS status indicated on the display is “Unit
Online” and the UPM status is “Active”.
The battery converter derives its input from the regulated DC output of the rectifier and provides
regulated charge current to the battery. The battery is always connected to the UPS and ready to
support the inverter should the utility input become unavailable.
The inverter produces a three-phase AC output to the critical load. The inverter derives regulated
DC from the rectifier and uses multilevel converter technology with IGBT devices and pulse-width
modulation (PWM) to produce a regulated and filtered AC output.
If the utility AC power is interrupted or is out of specification, the UPS automatically switches to
Battery mode to support the critical load without interruption. When utility power returns, the UPS
returns to double conversion mode automatically.
If the UPS becomes overloaded or unavailable, the UPS seamlessly switches to Bypass mode and
continues supplying the load through the static bypass. The UPS automatically returns to double
conversion mode when the abnormal condition, such as an extended time overload, is cleared and
system operation is restored within specified limits.
If a UPM power module within the UPS suffers an internal failure, the remaining UPMs will continue
supporting the load in double conversion. The UPS is automatically internally redundant when the UPS
is not operating in full load. However, if there is no redundancy between the UPMs due to high load
level, the UPS switches automatically to Bypass mode and remains in that mode until the failure is
corrected and the UPS is back in service.
In an external parallel redundant system, each one UPS can be isolated from the system for service
while the remaining UPSs support the load in double conversion.
- Eaton 93PM UPS P-164000249 1
- 30-200 kW 1
- Eaton 93PM UPS 3
- Contents 5
- List of Figures 7
- List of Tables 8
- 1 Safety instructions 9
- 2 30-200 kW P-164000249 10
- 1.1 Audience 11
- 1.2 CE marking 11
- 1.3 User precautions 12
- 1.4 Environment 12
- P-164000249 30-200 kW 5 13
- 1.7 For more information 14
- P-164000249 30-200 kW 7 15
- 2 Introduction to Eaton UPS 16
- P-164000249 30-200 kW 9 17
- 10 30-200 kW P-164000249 18
- P-164000249 30-200 kW 11 19
- 12 30-200 kW P-164000249 20
- 2.2 UPS operating modes 21
- 14 30-200 kW P-164000249 22
- Internal relay contacts 22
- P-164000249 30-200 kW 15 23
- 2.2.3 Bypass mode 24
- 2.3 UPS features 25
- 2.3.2 Powerware Hot Sync 26
- 2.4.1 Customer interface 26
- 2.5 Options and accessories 27
- 20 30-200 kW P-164000249 28
- 1. Bypass Input Breaker (BIB) 29
- 2.6 Battery system 30
- P-164000249 30-200 kW 23 31
- 24 30-200 kW P-164000249 32
- 3.2 Site preparations 33
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- P-164000249 30-200 kW 27 35
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- P-164000249 30-200 kW 33 41
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- P-164000249 30-200 kW 35 43
- 4 UPS system installation 44
- P-164000249 30-200 kW 37 45
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- Top cable access kit 47
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- P-164000249 30-200 kW 47 55
- 4.6.1 Power wiring overview 56
- P-164000249 30-200 kW 49 57
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- P-164000249 30-200 kW 51 59
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- 5 Communication interfaces 61
- 54 30-200 kW P-164000249 62
- P-164000249 30-200 kW 55 63
- 5.3 Signal input monitoring 64
- P-164000249 30-200 kW 57 65
- 6 UPS operating instructions 66
- P-164000249 30-200 kW 59 67
- 6.1.2 Status indicators 68
- 6.2 Steps to operate the UPS 69
- 6.3 Signing in 70
- STARTING 71
- 64 30-200 kW P-164000249 72
- P-164000249 30-200 kW 65 73
- 66 30-200 kW P-164000249 74
- 6.5 UPS control instructions 75
- 6.6 UPM control instructions 76
- P-164000249 30-200 kW 69 77
- 70 30-200 kW P-164000249 78
- Maintenance Bypass 78
- Switch (MBS) 78
- P-164000249 30-200 kW 71 79
- 7 UPS maintenance 80
- 7.2.1 DAILY maintenance 81
- 7.2.2 MONTHLY maintenance 81
- 7.2.3 PERIODIC maintenance 81
- 7.2.4 ANNUAL maintenance 82
- 7.2.5 BATTERY maintenance 82
- 7.4 Maintenance training 83
- 8 Technical data 84
- 8.2 UPS system input 85
- 8.3 UPS system output 85
- 8.4 Battery specification 86
- P-164000249 30-200 kW 79 87
- 80 30-200 kW P-164000249 88
- 9 Warranty 89
- 10 Installation checklist 90
- P-164000249 30-200 kW 83 91
- 11 APPENDIX A: User settings 92
- Setting Description 93
- Table 11-2: Config settings 93
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