American Power Conversion 240-320kW manual Working Principle of Dual Utility 2 utility supplies

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External Connection

Working Principle of Dual Utility (2 utility supplies)

			Q3
Utility 2					Output
		Q10
			Q2
		Q1	Utility 2
			Utility 2

Utility 1			Utility 1
Utility 1			Utility 1
			APC Silcon UPS

NOTICE!

Max. phase shift between utility 1 and 2: less than ±3.

Refer to section 7.0 System Specifications for frequency tolerance of utility 1 and 2, and voltage. Utility 1 supports the load in normal operation. Utility 2 supports the load through the static and service bypass switch.

Working Principle of Single Utility (1 utility supply)

Q3

Utility 1/2

Output

Q1

Q2

Utility 1/2

APC Silcon UPS

NOTICE!

Refer to section 7.0 System Specifications for frequency and voltage tolerance of utility 1. Utility 1 or 2 supports the load in normal operation or through the static service bypass switch.

990-4049

Installation Guide APC Silcon 240-320kW 480V UPS

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Contents Copyright 2001 APC Denmark ApS APC Silcon 240-320kW 480V UPS Installation GuideSafety Symbols used in this manual Installation Guide APC Silcon 240-320kW 480V UPSThank You Contents Installation Guide APC Silcon 240-320kW 480V UPS Tools IntroductionIntroduction Tools and EquipmentUnpacking/Identification of Equipment Unpacking/Identification of EquipmentMain UPS system Service Bypass PanelBattery Breaker Box Battery CabinetRemote Display Isolation TransformerSeismic Anchoring Nema 12 CoverRequirements on Site InstallationInstallation Dimensions and WeightUPS Cabinet Footprints FootprintsCOM COM Front Conduit Entrance Plate in bottom of the systemTop Cable Entry External Connection Connecting the UPSExternal Connection Connecting AC and DC Power Cables Dual Utility Connection Dual Utility Connection Seperation of AC from DC1 and DC2 Top or Bottom Cable Entry Dual and Single Utility Supply Working Principle of Single Utility 1 utility supply Working Principle of Dual Utility 2 utility suppliesSwitching from Dual to Single Utility Input Wiring Stud size Terminals Input Battery Output System earth TypeStud size M10 M12 Terminal Ground terminals Single Utility Dual Utility System Integration InterfaceSII Board Connecting the System Integration Interface Board SII-boardExternal Connection External Connection External Connection Parallel Board Parallel BoardExternal Control Cables Power CablesRelay Board Functions Relay Number Message Alarm Trigging EventsRelay Board RelaysExternal Connection Cable Sizes SmartSlot for APC Silcon 240-320kW UPS Communication Interface / Smart SlotConnections Installing accessories procedure SmartSlot AccessoriesMultiple SmartSlot Installation introduction Priority of APC accessoriesInstallation in APC Silcon 240kW and 320kW Important Safety Instructions APC Silcon Battery CabinetsAPC Silcon Installation of BatteriesBattery Breaker Box See measurements Mounting and Connection of Battery Breaker BoxInterconnection Rear of enclosureUPS with External Battery via Battery Breaker Box UPS Installations in Computer RoomsS002 Choose either Emergency shutdown connection between EPO PrincipleUPS Principle diagramUtility Possible UPS operation Tripping Emergency Power Off EPO for UPSSupply Utility Possible UPS operation modes Tripping Supply Single configuration for Single UtilityParameters Parameter Setting CommentsProgramming ProgrammingProgramming Keys Programming Example Switch to Bypass OperationProgramming 326V System Configuration438V 346VProgramming Example Change Boost Charge Voltage to SeparateProgramming Programming Parameters for Advanced Parallel Operation Description of SettingsProgramming Example Battery Monitor Options/Accessories Options/AccessoriesPrinciple diagram Service Bypass Panel for single operation Battery Breaker Box APC Silcon UPS System Integration Interface Mounting and Connecting Service Bypass Panel Options/Accessories Options/Accessories Mounting and Connecting Seismic Anchoring Mounting Seismic Anchoring Mounting Nema 12 Cover Nema 12 Cover IP31Extension of Remote Display Communication Distance Remote DisplayStandard Short-haul RS232 Modem Async Pin Connections for cable from host to ME800A-R2 Host Connections Without ConverterHost DTE Remote Display DTE Connections With ConverterScrews DP9-F Remote Display Power SupplyRemote Display Use Communication FaultRemote Display Setting Remote Display CablesIsolation Transformer Module Footprints Cabinets and DimensionsConnecting Isolation Transformer External Temperature Alarm CableIsolation Transformer Grounding 6.5.7.1 System Grounding Isolation Transformer Diagram Delta WYE configuration Dyn11Single Utility and Redundant System Dual Utility and Redundant System Dual Utility and Single SystemIntersystem Synchronization Unit System ISU System Intersystem Synchronization UnitIntersystem Synchronization Unit ISU Voltage 3x480V System SpecificationsSystem Specifications Technical DataAppendix Installation Planning DataAppendix Fepw TBS,SA RH,RHW Correction Factors Warranty WarrantyAPC Silcon Series Limited Factory Warranty APC Denmark How to Contact APCHow to Contact APC APC Corporate