Liebert Series 610 user manual Operating Instructions, Initial System Start-Up 4.2 Basic Operation

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4.0 OPERATING INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25

4.1 Initial System Start-Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 4.2 Basic Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

4.2.1 Momentary Tie - Load Transfers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 4.2.2 Normal Transfer Operation Configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 4.2.3 Maintenance Procedures - Isolating Each UPS System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 4.2.4 Isolating a UPS System for Maintenance - Combined Loads Operation. . . . . . . . . . . . . . . . . 26 4.2.5 Transfer of Load Between Two Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 4.2.6 Returning an Isolated System to Normal Operation - End Combined Loads Operation . . . . 27 4.2.7 Maintenance Procedures - Maintaining Power-Tie Components . . . . . . . . . . . . . . . . . . . . . . 27 4.2.8 Maintenance Procedures - Tie Control Logic Components . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 4.2.9 Abnormal Operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 4.2.10 Trouble Recovery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 4.2.11 Continuous Tie-Systems. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 4.2.12 Isolation for Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 4.2.13 Operation Scenarios/Transfer Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

 

FIGURES

 

Figure 1

Basic Dual-BusPower-Tieone-line diagram

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Figure 2

Power-Tie systems - fault isolation issues

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Figure 3

Power-Tie systems - control interface diagram

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Figure 4

Power-Tie system one-line diagram

10

Figure 5

Control panel layout

12

Figure 6

Power-Tie system - fault isolation issues

16

Figure 7

Power-Tie systems - fault tolerance

17

Figure 8

Power-Tie system one-line diagram

32

Figure 9

From start-up to normal operation, loads to be split between two distribution feeders

33

Figure 10

From combined loads operation to loads split between two feeders

33

Figure 11

From continuous tied systems to loads split between two systems

33

Figure 12

Transfer both load feeders to one UPS

34

Figure 13

Both feeders on one system to normal operation

34

Figure 14

Transfer 100% load on one system to 100% load on a second system (a two-step operation) . . . 34

Figure 15

Normal split load operations to Continuous Tie

35

Figure 16

Continuous Tie to normal split load operation

35

Figure 17

Continuous Tie to load on one system

35

Figure 18

Load on one system to Continuous Tie

36

Figure 19

One system in bypass to both feeders combined on remaining operational system

36

Figure 20

One system in bypass to Continuous Tie operation (Option 1)

37

Figure 21

One system in bypass to Continuous Tie operation (Option 2)

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Contents Continuous POWER-TIE Configuration Page Table of Contents Operating Instructions Initial System Start-Up 4.2 Basic OperationSystem Flexibility FunctionInter-System Isolation and Reliability Basic Dual-Bus Power-Tie one-line diagram Power-Tie systems fault isolation issues Power-Tie systems control interface diagram Control System Features Operational DescriptionIntersystem Synchronizing Momentary Tie OperationMomentary Tie Transfer Controls Intersystem Sync and Power Sharing Continuous TieContinuous Tie/Transfer/Parallel Control Tie System ComponentsModes of Operation Power-Tie system one-line diagram Continuous Power-Tie Checking for Phase, Voltage, and CapacitySelecting a Line Sync Source Synchronizing the UPS SystemsControl panel layout Separating Tied Systems Load Transfers Between UPS SystemsCombined Loads on One System to Continuous Tie Operation Combined Loads on One System from Continuous Tie OperationDesign Criteria Line Sync Signal Power-Tie system fault isolation issues Power-Tie systems fault tolerance Transfer Operation Improper User OperationTie Operation Tie Circuit Breaker or Logic Faults What Happens If a Failure Occurs During a Power TransferRecommendations Tie Circuit Breaker Selection Hardware FailuresMimic Panel Load Transfer Controls Transfer Control Disabled Transfer Function AvailableTransfer Function Available OK to Transfer Load 1 to System Transfer Function Available OK to Transfer Load 2 to SystemContinuous Tie Control Control InhibitsManual Controls Normal Transfer Operation Configurations Maintenance Procedures Isolating Each UPS SystemInitial System Start-Up Basic OperationTransfer of Load Between Two Systems Maintenance Procedures Maintaining Power-Tie Components Maintenance Procedures Tie Control Logic ComponentsTrouble Recovery Abnormal OperationsImproper Transfer Circuit Breaker FailureContinuous Tie-Systems Normal Operating ConfigurationTying the UPS Systems Continuous Parallel Operations Abnormal Operations Isolation for Maintenance Power-Tie system one-line diagram Operation Scenarios/Transfer Procedures Combined Loads Operation See 4.2.4 Isolating a UPS System for MaintenanceSee 4.2.5 Transfer of Load Between Two Systems See 4.2.11 Tying the UPS Systems Continuous Parallel OperationsSee 4.2.3 Maintenance Procedures Isolating Each UPS SystemOne system in bypass to Continuous Tie operation Option Operating Instructions Page Company Behind the Products Technical Support/ServiceLocations
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