Contents
Ctrl Nr: PM375118-004
3
Contents
Safety ............................................................................................ 8
1
System Description ............................................................... 9
1.1
Basic Characteristics .......................................................................... 9
1.2
System Layout .................................................................................. 9
1.3
Transfer Process: Algorithms ............................................................ 14
1.3.1
The Problem of Transformer Current Inrush ............................. 14
1.3.2
Sense and Transfer Algorithms ............................................... 14
1.4
Transfer Process: Power Switching Components .................................. 15
1.5
High Availability through Redundancy ................................................ 16
1.6
Operational Information and Controls ................................................ 17
1.6.1
Graphics Touch-Screen Monitor/Display ................................... 17
1.6.2
Operational Assistance .......................................................... 17
1.7
System Security .............................................................................. 17
1.8
Communications ............................................................................. 18
1.9
Optional Features ............................................................................ 18
1.10
Standards Compliance ..................................................................... 18
2
Installation Planning ........................................................... 20
2.1
System Enclosure ............................................................................ 20
2.2
Clearances and Service Access .......................................................... 20
2.3
Cooling .......................................................................................... 20
2.4
Environmental Specifications ............................................................ 21
2.5
System Electrical Specification .......................................................... 21
2.6
Surge Protection ............................................................................. 22
2.7
Grounding ...................................................................................... 22
2.7.1
System Grounding ................................................................ 22
2.7.2
High Frequency (RF) Grounding (Computer Rooms) .................. 22
2.8
Wiring and Connections ................................................................... 23
2.8.1
Circuit Breaker Rating and Upstream Protection ........................ 23
2.8.2
Optional Isolation MCSW ........................................................ 23
2.8.1
Power Sources ...................................................................... 23
2.8.2
Customer Power Connections ................................................. 23
2.8.3
Control Wiring ...................................................................... 24
2.9
Class A Computing Device ................................................................ 24
3
System Unpack and Inspection ........................................... 26
3.1
External Inspections ........................................................................ 26
3.2
Unloading, Unpacking, and Handling .................................................. 26
3.3
Internal Inspections......................................................................... 27
3.4
Internal Wiring Inspection ................................................................ 27
4
Installation and Startup Procedures ................................... 28
4.1
Installation Instructions ................................................................... 28
4.1.1
Positioning the STS 2000A Unit .............................................. 28
4.1.2
Make Power Connections ....................................................... 29
4.1.3
Commissioning: Initial Power-up Site Test ............................... 29
4.1.4
Commissioning: Acceptance Testing ........................................ 29
4.1.5
Note on STS Testing and Commissioning Methodology ............... 29
4.1.6
Phasing Verification Procedure ................................................ 30
4.2
Additional Installation Requirements .................................................. 30
4.2.1
Communications Installation .................................................. 30
4.2.2
STS Setup............................................................................ 30