HomeMy WebLinkAboutItem 5 PPP Operations Committee 4-5-17 - Project No. P1-132 Iwo 46
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Pl- 132 Uninterruptible Power Supply
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Operations
Committee
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Uninterruptible Power Supply ( UPS)
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Input T� AC DC � To Loads
Power DC AC
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• Provides continuous power to loads
• Provides ^'20 minutes of backup power after utility loss,
until standby generators provide power
• Allows continuous monitoring of treatment plant
process during power outage
• Prevents data loss
Control System Network
-_- Control System Network Equipment
-- = SUPS . — . — . — . . — . — . — . . _
Historical Data Server
Power I --
E = _ SCADA Server
_ Core
_ �__ •= = _=; _ ��e,��,i I Switch
Network Cabinet
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UPS ; Distribution -
- li •••• ii�Yiiiii� v Switch -
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• Access
Switch .
ir5tS6rl UPS -
Local Power
Programmable r'•'•'-
H M I •�•rt
HMI Cabinet Logic Controller (PLC) PLC Cabinet
Existing UPS S stem
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POWER BUILDING 7 UPS
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METERING
STRUCTURE 4V
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POWER
BUILDING 3A
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POWERBUILDM 8 UPS ilk
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• 43 small UPS units (less than SkVA)
DAFT ELECTRICAL
• 21 medium UPS units (5kW to 30 kVA) IM
UPS Distribution
• J-102 Strategic Plan Update, Energy Master Plan 2007
• Options
• 1-3: Small and Medium UPS Units
• 4: 2 Redundant Regional UPS Units
• 5: 3 Regional UPS Units
• Options 5 selected :
• Lower lifecycle costs, few units to maintain
• Great reliability and status monitoring
• Easier to maintain
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Regional UPS
480V 480V
POWER POWER
SOURCE SOURCE
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BYPASS REGIONAL
SWITCH UPS BATTERY
UPS
REGIONAL UPS DISTRIBUTION
FROM 480V
NORMAL POWER
POWER AUTOMATIC SOURCE
DISTRIBUTION ^a E - TRANSFER
UNIT (PDU) SWITCH (ATS)
® � AUTOMATIC I - - - - - - - - - -
TRANSFER I POWER
_ SWITCH ' DISTRIBUTION
--=--=------ (ATS) 120V/2osv ; UNIT
PANEL (PDU)
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(LOCATED AT EACH
-= BUILDING/FACILITY)
LOCAL ATS/PDU
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UPS
(P1-1
REGIONAL /` ....
UPS ».
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QUESTIONS ?