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ENTERPRISE ENERGY MANAGEMENT SYSTEM
Jason Kutch, P.E.
Malcolm Drane, P.E.
UTILITY METERINGAT PURDUE
2
AGENDA
• Organizational roles• Comprehensive Energy Master Plan (CEMP) goals• Metering program• Enterprise Energy Management (EEM) System• Benchmarking buildings• Project identification
3
METERING
ARC FLASH
HIGH VOLTAGE
PM & C
ENGINEERING
LOW VOLTAGE
MaintenanceBLDG DEPUTIES
BLDG OCCUPANTS
BLDG CONTROLS
UTILITIES DISTRIBUTION
ADACENT PROJECTS
ORGANIZATIONAL ROLESTHE TEAM
4
• Maintain meters• Add points and validation• Maintain users• View Screen creation• Set up alarms for points• Create/maintain predictive analytics models• Manage Web Configuration• History maintenance
ORGANIZATIONAL ROLES
5
CEMP GOALS
• Plan was developed in 2012• Analyze production, distribution, and demand– Included metering all campus buildings– Controls optimization of building automation
systems (BAS)– System wide review of chilled water
• i.e. chiller operation, building pumps
6
CEMP GOALS
• Effective Energy Management• Energy Savings Opportunities• Fiscally sustainable plan system wide• Education and Collaboration• Energy-Conscious and Environmentally responsible
culture• 10 year recurring energy and cost savings
7
METERING PROGRAM• Purdue Produced utilities– Chilled Water– Electricity– Domestic Water– Steam Condensate
• Easily identify issues– Broken valve– Control deficiencies– Low delta T, high flows– Simultaneous heating and cooling
METERING PROGRAM
2012• $2.3M, 43 Buildings• Master plan developed
2013• $2M• Approx. 40 buildings
2014• $2M• Approx. 40 buildings
2015
• $1M• Over 140 buildings by
2015
9
METERING PROGRAM
Domestic Water Main
Domestic Water irrigation
Steam Condensate
Temperature
Supply & Return Temperature
Chilled Water
Power
Lighting
DCCP
Ethernet
ARCHITECTURE
10
METERING PROGRAM
• High accuracy• Low maintenance• Low pressure drop• Smart meter verification
METER SELECTION CRITERIA
11
METERING PROGRAM• Chilled and Domestic Water meters
– Inline electromagnetic– +/- 0.5 % accuracy– No moving parts or obstructions– No mechanical maintenance
• Steam Condensate meters– Vortex Shedding– +/- 1 % accuracy– No moving parts– No mechanical maintenance
• Highly accurate RTD’s – Chilled Water– Steam Condensate
MECHANICAL METERS
12
METERING PROGRAMINSTALLATION GUIDELINES
13
METERING PROGRAMINSTALLATION GUIDELINES
14
METERING PROGRAMChilled Water Domestic Water Steam Condensate
FlowTotal GallonsSupply TempReturn TempBTU/HRTonsTotal TNHR
FlowTotal GallonsDaily Total Gallons
FlowTotal GallonsDaily Total GallonsTemperature
DATA POINTS
15
METERING PROGRAM
Selection Criteria – Low Maintenance– Revenue Grade Metering– High Precision Meter
• Minimum of 0.06% accuracy– Metering Form Selection
• (Form 5 vs. Form 9)– Waveform capture– Advanced Trending and data storage– Modbus Communication
ELECTRIC METERS
16
ELECTRIC METERS
• Current Transformers (CT’s)– Revenue Grade Accuracy
• 0.3% Accurate
– Core Selection• Split vs. Solid
– Sizing Considerations• Physical Size• CT Ratio • CT Rating Factor
– Low end Current
COMPONENTS
17
METERING PROGRAMElectrical
VoltageCurrentPower (kVA)Energy (kWh)Demand Power (kVA/kW)Peak Demand PowerPower Factor
DATA POINTS
18
METERING PROGRAM
• Centralized data• No manual meter reads• Ease of maintenance• Less traffic on BAS• Simple integration into EEM• Flexibility
DATA CONCENTRATOR CONTROL PANEL (DCCP)
19
METERING PROGRAM• Design /
Fabrication Process
• Components• Benefits– Flexibility– Expandability– Maintainability
DCCP
20
METERING PROGRAM
• Building Number– 1085 – ELLT
• Service– DW – domestic water
• Unique Instrument Number– 01 – meter one of domestic water
meters• Instrument Type
– ME – mechanical type• Size (inches x 100)
– 0200 – 2 inch meter
UNIQUE IDENTIFIERS
21
METERING PROGRAM
• Commissioning process:– Custom program– Validate Installation– Custom Spanning
DCCP
22
EEM SYSTEM• Enterprise Energy Management System - What
is it?– Real-time performance management and
predictive analytics software• EEM System software– Data historian– Predictive analytics– Electronic billing
23
EEM SYSTEM• Connected systems
to EEM– Power plant– Building Automation
System (BAS)– Data Concentrator
Control Panel (DCCP)– Legacy Meters
24
EEM SYSTEM
Power Plant
BAS
Utility Meters
Legacy Meters
Interfaces
EEM Historian Web Server
PC application Web application
ARCHITECTURE
25
EEM View Screen
kW
26
EEM View Screen
27
EEM View Screen
28
EEM View Screen
29
BENCHMARKING BUILDINGS
JNSN KCTR KNOY LAMB LWSN LYNN MACK MANN MCUT ME MGL MRGN MTHW0
5000
10000
15000
20000
25000
30000July 2014 EUI
Elec. Steam
CW
EUI (
Btu/
sf/m
onth
)
30
BENCHMARKING BUILDINGS
31
PROJECT IDENTIFICATION
7/1/2
013
7/11/2
013
7/21/2
013
7/31/2
013
8/10/2
013
8/20/2
013
8/30/2
013
9/9/2
013
9/19/2
013
9/29/2
013
10/9/2
013
10/19/2
013
10/29/2
013
11/8/2
013
11/18/2
013
11/28/2
013
12/8/2
013
12/18/2
013
12/28/2
013
1/7/2
014
1/17/2
014
1/27/2
014
2/6/2
014
2/16/2
014
2/26/2
014
3/8/2
014
3/18/2
014
3/28/2
014
4/7/2
014
4/17/2
014
4/27/2
014
5/7/2
014
5/17/2
014
5/27/2
014
6/6/2
014
6/16/2
014
6/26/2
014
7/6/2
014
7/16/2
014
7/26/2
0140
500
1000
1500
2000
2500
3000
0
5
10
15
20
25
30
35
40Mann Hall CW and SC UsageCW Ton-hrSC MMBtu
Chill
ed W
ater
(ton
-hrs
)
Stea
m (M
MBt
u)
32
PROJECT IDENTIFICATION
33
CONTACT
• Jason M. Kutch, P.E.– Mechanical Engineer; [email protected]
• Malcolm E. Drane, P.E.– Electrical Engineer; [email protected]
QUESTIONS?