Справочник ПользователяСодержание1.0 System Description51.1 Function51.2 System Flexibility51.3 Inter-System Isolation and Reliability5Figure 1 Basic Dual-Bus PowerTie one-line diagram6Figure 2 PowerTie systems - fault isolation issues7Figure 3 PowerTie systems - control interface diagram81.4 Control System Features9Digital Controls9Digital Phase Lock of Uninterruptible Power Module (UPM) Inverters9System Output Voltage Control9Module Load Sharing91.5 Operational Description91.5.1 Operational Choices91.5.2 Momentary Tie Operation10Intersystem Synchronizing10Momentary Tie Transfer Controls101.5.3 Continuous Tie11Intersystem Sync and Power Sharing11Continuous Tie/Transfer/Parallel Control121.5.4 Tie System Components121.5.5 Modes of Operation13Figure 4 PowerTie system one-line diagram142.0 Operation Description152.1 Continuous PowerTie15Selecting a Line Sync Source15Synchronizing the UPS Systems15Checking for Phase, Voltage, and Capacity15OK to Tie UPS Systems15Figure 5 Control panel layout162.2 Separating Tied Systems17Synchronize Systems17Verifying Capacity17OK to Open Tie172.3 Load Transfers Between UPS Systems17Selecting a System for Transfer17Synchronizing to the Bypass Source17Checking for Phase, Voltage, and Capacity17Transferring the Load17Transfer Complete172.4 Combined Loads on One System from Continuous Tie Operation182.5 Combined Loads on One System to Continuous Tie Operation182.6 Design Criteria18Isolation and Fault Tolerance18Load Share Signal18System Voltage Control Signal18Line Sync Signal19Figure 6 PowerTie system - fault isolation issues20Figure 7 PowerTie systems - fault tolerance212.7 Improper User Operation22Transfer Operation22Tie Operation222.8 Tie Circuit Breaker or Logic Faults232.8.1 What Happens If a Failure Occurs During a Power Transfer232.8.2 What Happens If a Logic Failure Occurs During Power Transfer232.8.3 Hardware Failures232.9 Recommendations - Tie Circuit Breaker Selection233.0 Control Panel Description243.1 Mimic Panel24UPS System 1 - Primary Bypass24UPS System 2 - Primary Bypass24UPS System 1 - On Bypass24UPS System 2 - On Bypass24Load 1 Circuit Breaker24Load 2 Circuit Breaker24Tie Circuit Breaker25Load 1 - Normal25Load 1 - On System 225Load 1 - Systems Tied25Load 1 - Off25Load 2 - Normal25Load 2 - On System 125Load 2 - Systems Tied25Load 2 - Off25Control Status - Synchronizing25Control Status - Transferring253.2 Load Transfer Controls25OK to Transfer Load 1 to System 125OK to Transfer Load 1 to System 225OK to Transfer Load 2 to System 125OK to Transfer Load 2 to System 226Transfer Control Disabled26Transfer Function Available26Transfer Function Available - OK to Transfer Load 1 to System 126Transfer Function Available - OK to Transfer Load 1 to System 226Transfer Function Available - OK to Transfer Load 2 to System 126Transfer Function Available - OK to Transfer Load 2 to System 126Transfer Load To - System 126Transfer Load To - System 226Push to Transfer After OK263.3 Continuous Tie Control27OK to Tie Systems27OK to Open Tie27Tie Control Disabled27Primary Bypass Select27Synchronize Systems27Push to Tie Systems After OK27Push to Open Tie After OK273.4 Control Inhibits27Phase Lockout27Voltage Lockout28Load Lockout28Logic Failure28Lamp Test283.5 Manual Controls28Close Load 128Close Load 228Trip Load 128Trip Load 228Trip Tie284.0 Operating Instructions294.1 Initial System Start-Up294.2 Basic Operation294.2.1 Momentary Tie - Load Transfers294.2.2 Normal Transfer Operation Configurations294.2.3 Maintenance Procedures - Isolating Each UPS System294.2.4 Isolating a UPS System for Maintenance - Combined Loads Operation304.2.5 Transfer of Load Between Two Systems304.2.6 Returning an Isolated System to Normal Operation - End Combined Loads Operation314.2.7 Maintenance Procedures - Maintaining PowerTie Components314.2.8 Maintenance Procedures - Tie Control Logic Components314.2.9 Abnormal Operations324.2.10 Trouble Recovery324.2.11 Continuous Tie-Systems33Normal Operating Configuration33Tying the UPS Systems - Continuous Parallel Operations33Returning Parallel Systems to Normal Operation - End Continuous Tie33Maintenance Procedures - Tie Control Logic and Power Components34Abnormal Operations34Trouble Recovery354.2.12 Isolation for Maintenance35Figure 8 PowerTie system one-line diagram364.2.13 Operation Scenarios/Transfer Procedures37Figure 9 From start-up to normal operation, loads to be split between two distribution feeders37Figure 10 From combined loads operation to loads split between two feeders37Figure 11 From continuous tied systems to loads split between two systems37Figure 12 Transfer both load feeders to one UPS38Figure 13 Both feeders on one system to normal operation38Figure 14 Transfer 100% load on one system to 100% load on a second system (a two-step operation)38Figure 15 Normal split load operations to Continuous Tie39Figure 16 Continuous Tie to normal split load operation39Figure 17 Continuous Tie to load on one system39Figure 18 Load on one system to Continuous Tie40Figure 19 One system in bypass to both feeders combined on remaining operational system40Figure 20 One system in bypass to Continuous Tie operation (Option 1)41Figure 21 One system in bypass to Continuous Tie operation (Option 2)41Размер: 677,3 КБСтраницы: 44Язык: EnglishПросмотреть
