FOREWORD
1 Scope
2 Normative references
3 Terms and definitions
   3.1 General
   3.2 Performance of systems and components
   3.3 Specified values
   3.4 Input values
   3.5 Output values
4 Symbols and abbreviations
5 Selection criteria
6 General description
   6.1 Rotary UPS
   6.2 Types of rotary UPS
        6.2.1 Series connected rotary UPS
        6.2.2 Line interactive rotary UPS
   6.3 Parallel operation of a rotary UPS installation
        6.3.1 General
        6.3.2 Parallel operation
        6.3.3 Redundant operation
   6.4 Power system changeover with rotary UPS
        installations (bypass)
   6.5 Enclosure protection
7 Modes of operation
   7.1 Power conditioning mode
   7.2 Independent mode
   7.3 Bypass mode
   7.4 Off mode
   7.5 Transitions
        7.5.1 Transition 1, starting the system with
               mains voltage present
        7.5.2 Transition 2, start-up without mains
               voltage (black start)
        7.5.3 Transition 3, disconnect from grid
        7.5.4 Transition 4, connect to grid
        7.5.5 Transition 6, transfer
        7.5.6 Transition 7, 8, retransfer
8 Service conditions
   8.1 Normal service conditions
   8.2 Operation at extended ambient
        8.2.1 Ambient service temperature
        8.2.2 Ambient storage and transportation
               conditions
   8.3 Engines
   8.4 Rotating electrical machines
   8.5 Control logic
9 Electrical service conditions and performance
   9.1 General - all rotary UPS
   9.2 Performance
10 Manufacturer technical declarations
   10.1 General
   10.2 Purchaser specification guidelines
        10.2.1 Type of rotary UPS, additional features,
               and system requirements
        10.2.2 Rotary UPS input
        10.2.3 Load to be supplied from a rotary UPS
        10.2.4 Rotary UPS output
        10.2.5 Battery (where applicable)
        10.2.6 General application requirements and
               special service conditions
        10.2.7 Multi-module system configurations
        10.2.8 Electromagnetic compatibility
11 Testing
   11.1 Static output voltage and frequency deviations
   11.2 Dynamic output voltage and frequency deviations
   11.3 Input current characteristics
   11.4 Measurement of filter properties
        11.4.1 From mains to output
        11.4.2 From output to mains
   11.5 System performance
        11.5.1 Efficiency
        11.5.2 Stored energy times
        11.5.3 Multi-module rotary UPS performance
   11.6 Black start test
   11.7 Environmental tests
   11.8 Audible noise
   11.9 Testing
12 Maintenance and product marking
   12.1 Nameplate markings
   12.2 Label requirements
   12.3 Name plate marker
   12.4 Decals - labelling
        12.4.1 Safety instructions and documentation
   12.5 Maintenance
Annex A (informative) Typical energy storage devices
Annex B (normative) Reference non-linear load - Single-phase
Annex C (normative) Reference non-linear load - Three-phase
Annex D (normative) Input mains failure - Test method
Annex E (informative) Types of uninterruptible power
        systems (UPS) configurations