Virginia Tech Research Center - Saifur Rahman · Virginia Tech Research Center Arlington, Virginia,...
Transcript of Virginia Tech Research Center - Saifur Rahman · Virginia Tech Research Center Arlington, Virginia,...
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Keynote Speech
ProfessorSaifurRahmanDirector,VirginiaTechAdvancedResearchInst.,USAPresident-elect,IEEEPower&EnergySociety
ENERGY EFFICIENCY AND THE ROLE OF IOT IN ASMART CITY CONNECTED COMMUNITY
Grameen Phone, Dhaka, Bangladesh, 05 August 2017
2www.saifurrahman.org
VirginiaTechResearchCenterArlington,Virginia,USA
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PPT slides will be available at
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www.saifurrahman.org
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InvitedLectureSlidesonwww.saifurrahman.org
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FromSmartBuildingstoSmartGrid
Smart Grid
Smart City
Smart Campus
Smart Buildings
Smart grid: Bi-directional flows of energy, remote control/automation of power, integrated distributed energy…
Smart city: Complex system of interconnected infrastructures and services…
Smart buildings: Intelligent building automation systems, smart devices, productive users, grid integration…
Supported by ICT and distributed networks of intelligent sensors, data centers/clouds
Smart Campus: A collection of buildings managed by the same facility manager…
WhatmakesaBuildingSmart
AsingleplatformformonitoringandcontrolofHVAC,lighting,watersupply,sensornetworks,securitycamera&fireemergency
Source: Smart Building Market To Grow 30% by 2020, http://www.iotsolutionprovider.com/smart-building/smart-building-market-to-grow-30-by-2020, December 2015.
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InternetofThings(IoT)
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IoT-enabledsmartbuildingsofferin-buildingdevicemobility,occupantcomfort,andindooractivitiesautomation
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IoT ApplicationsinHealthcare,Agriculture,Transport,Energy
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SmartBuilding&IoT Evolution
Building Control• HVAC control• Lighting control
Building Automation• Building
management• Building control
Building Performance• Energy
management• Remote
monitoring• Remote control
Smart Building• Intelligent
buildings• Green buildings• Grid integration
1980 1990 2000 2010 2020<
InternetofThing(IoT)ConnectedDevices
50billions6.92billions0.2billions
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HowdoyoumakealargenumberofIoT deviceswork
together?
Needasoftwareplatform
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Sensors/PowerMeters
Plug Load Controllers
Lighting Load Controllers
CT30 (WiFi)
CT50 (WiFi
)CT80 (ZigBee SE)
ICM(WiFi)
RTU (Modbus)
VAV controller (Modbus)
Nest(WiFi)
Philips Hue(WiFi)
Light switch(WiFi)
Step-dimmed ballast
(ZigBee)Lighting
load controller(BACnet)
Smart plug(WiFi)
Smart plug(ZigBee)
Plug load controller(BACnet)
Power meter
(BACnet/Modbus)
Power meter(Modbus)
Occupancy sensor
(BACnet)
Light sensor(BACnet)
HVAC Load
Controllers
VirginiaTechPlatformforIoT DeviceIntegration
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Improvesenergyefficiencyandfacilitatespeakloadsavingsinbuildingsbuildings.
AnOpenArchitecturePlatformforBuildingEnergyEfficiency
BEMOSSisaBuildingEnergyManagementOpenSourceSoftware(BEMOSS)solutionthatisengineeredtoimprovesensingandcontrolofall IoT-enabledequipmentincommercialbuildings
Threemajorloadsinbuildings• Heating,Ventilation,AC• Lightingloads• Plugloads
BEMOSSmonitoringandcontrol:
BEMOSS value:
BEMOSSwww.bemoss.org
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Multi-sensorApplications
BEMOSSZone1
BEMOSSZone2
Floor 1
Floor 2
BEMOSSCore
…
…
…
Raisingthesetpointfrom6am-6pmdemonstrates10.5%energysavingsinHVACloadperdegreetemperatureincrease.
25,000sqft buildinginAlexandria,VA
Outdoor temperature profiles:
Indoortemperatureset-points:
OutdoorTemp
EnergySavingsfromSensorDeployment&Control
5Wirelessthermostats
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ClassroomunderReal-timeMonitoring
BEMOSScore
Plugloadcontroller
Environmentalsensor(CO2,noise,temperature)
MotionsensorThermostat
Powermeter
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WeatherSensorIntegration
IndoorEnvironmentalMonitoring
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SmartLightIntensityControl
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EnergySavingsbyControllingLightIntensityBasedonoccupantrequirements,lightintensitylevelwas reducedduringOctober–December2016.ResultsindicatetheaveragekWhsavingsofabout34%.
Note: Scheduleddimming levelfrom6:30amto9:00pm.OpenofficeareaA:50%;OpenofficeareaB:45%;Chiefoffice’sdesk area:60%;Chiefoffice’smeetingarea:50%;ConferenceroomA:50%;ConferenceroomB:45%.Lightsareoffafter9:00pm.
Month
Total Measured Energy
Consumption (kWh)
Total Calculated Energy Consumption
without Dimming (kWh)
Energy Savings by Dimming (%)
October 2016 264.37 399.90 33.89%
November 2016 278.13 423.78 34.37%
December 2016 280.76 426.40 34.16%
Total (October-December)
823.26 1250.08 34.14%
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SmartCampus
…
Utility/DR Aggregator
HVACLighting loadsPlug loadsPower meters
PV & storageSecurity cameraCustomers/Operators Buildings
Water meters
Internet
Asmartcity isanurbandevelopmentvisiontointegrateinformationandcommunicationtechnology (ICT)andInternetofthings (IoT)technologyinasecure fashiontomanageacity'sassets.Source:Wikipedia
SmartCity
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Schools,libraries,transportationsystems,hospitals,powerplants,watersupplynetworks,lawenforcement,streetlighting,etc.
ICTApplicationsinaConnectedSmartCity
ElectricitySavingsinStreetLighting
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#1#2 #3 #4 #5
#6 #7 #8
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ExistingHPSLamps(Dec2010)
NewLEDLamps(June2012)
People/carsareclearlyvisibleunderthewhiteLEDlight. 23
HPSvs LED
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ICT-basedLightingIntensitycontrol(80%)
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0
1
2
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45:
00P
M
6:30
PM
8:00
PM
9:30
PM
11:0
0PM
12:3
0AM
2:00
AM
3:30
AM
5:00
AM
6:30
AM
8:00
AM
InfraredSensorsMonitorTrafficPo
wer
Con
sum
ptio
n(k
W)
ICT-basedcontroltodimlightsto50%
HPS lights
LED Lights
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HPSvs LEDMonthlyElectricityConsumption
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov DecHPS(2011) 1,510 1,289 1,300 1,116 1,027 903 972 1,123 1,210 1,384 1,444 1,552
LED(2012) 444 371 319 264 253 222 240 275 306 364 397 433
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200
400
600
800
1,000
1,200
1,400
1,600
1,800
Mon
thlyElectric
ityCon
sumption(kWh)
• Averageelectricitysavingsof75% wasexperiencedaftertheinstallation.• AvoidedCO2emissionwas6,127kg/year.
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Control Platform
Gateway Smart Building
SmartTrafficFlowMonitoring&Control
PublicSafetyinaSustainableSmartCity
SpeedingViolationMonitoring
LicensePlateReading
OutdoorCameraView(Street)
Location: Arlington, VA
Building type:Office
View:Street
Point of contact:Building Engineer (xxx-xxx-xxxx)
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IndoorCameraView(Shop)
Location: Alexandria, VA
Building type:Office
View:Indoor
Point of contact:Building Engineer (xxx-xxx-xxxx)
OutdoorCameraView(BuildingPerimeter)
Location: Alexandria, VA
Building type:Academic
View:Perimeter
Point of contact:Building Engineer (xxx-xxx-xxxx)
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AllSensorsVisiblefromoneDashboard
…
HVAC Lighting load Plug load
Power meter PV & storage
Security camera
Water meter
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SmartCityConnectedCommunity
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EvolutionoftheGrid
Source: Altalink, Alberta, Canada33
SmartGrid
Source: EPRI34
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CommercialBusinessforDeployment
www.bemcontrols.com
ThankYou
ProfessorSaifur RahmanDirector,AdvancedResearchInstitutewww.saifurrahman.org