MGE UPS Systems 6000 manual Electrical diagram, Ups

Page 16

MGETM GalaxyTM 6000 : Specification guide

Parallel UPS, three-phase, 250 to 3000 kVA*

* Power rating for an N+1 redundant configuration

17 - Electrical diagram

 

Bypass AC input

Normal

Normal

AC input

AC input

Battery

Battery

UPS 1

UPS 2

P1 (kVA)

P1 (kVA)

 

Load

 

P < P1

Fig. 1. Two parallel-connected UPS units, with or without redundancy.

 

Bypass

 

 

AC input

 

 

External bypass cabinet

Normal

Normal

Normal

AC input

AC input

AC input

UPS1

UPS2

UPS3

P1 (kVA)

P1 (kVA)

P1 (kVA)

 

Load

 

Fig. 2. UPS system with common, external bypass (up to four units).

APC By Schneider Electric

Edition - 03/2009

Spec. E - 16

Image 16
Contents Power rating for an N+1 configuration Contents Purpose UPS definitionBrief description Operating principle Sizing and general characteristics Electrical characteristics AC sourcesBatteries InverterStatic bypass Discrimination and short-circuit capacityMechanical characteristics UPS not including battery Environment conditionsProtection UPSBattery management Measurement of actual backup timeDigital battery monitoring Self-testUser interface and communication User interfaceGraphic display ControlsMaintainability Local and remote diagnostics and monitoring E. ServicesCommunication Test procedures and quality system Standards and testsWarranty ServicesInstallation services Electrical diagram UPSCentralized bypass UPS system with centralized bypass up to six unitsBattery Battery management and protectionAppendix. Comparison table Type of UPSInverter Static bypassEfficiency User interfaceServices CommunicationCertification Operation, Maintainability