smart grid ppt rahman
TRANSCRIPT
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Smart Grid and its Role inManaging Efficient Power Systems
Keynote Lecture18 December 2012STEM Conf, KFUPM, Dhahran, Saudi Arabia
Prof. Saifur Rahman
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Power PlantTransmission
DistributionHome
Business End-use Appliances
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Central Generating Station Step-UpTransformer
Distribution Substation
Receiving Station
Distribution Substation
Distribution Substation
Commercial
Industrial Commercial
GasTurbine
Recip Engine
Cogeneration
Recip Engine
Fuelcell
Micro- turbine
Flywheel
Residential
Photo voltaics
Batteries
Residential Data
Concentrator
Control Center
Data network Users
2. Information Infrastructure
1.Power Infrastructure
Source: EPRI 11
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Source: Altalink, Alberta, Canada
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AMRCustomerOutageDetection
AutomatedMeter Reads
Theft IDRemoteTFTN
Remote MeterProgramming
AMR Capability+
LoadControl
Price Signalssent to Customer
New Rate Design
AMI
Smart Grid AMI Capability+
Remote detection sensorseverywhere
Central and distributed analysis
Correction of disturbanceson the grid
Optimizes grid assets
Distribution Automation
Leverage data to understandsystem performance better
Self Healing
Enable use of renewable resources
Enable electrification of transportation
HourlyRemoteMeterReads
CustomerVoltageMeasurement
Source: EnerNex
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Peak load of19,140 MW
Probability that peakloads exceed
16,000 MW is only5% of the time
3,140 MW or16.5% of peak load
5% of the load occurs only 0.5% of the time
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Demand Response is a customer action to control loadto meet a certain target. Here the customer chooseswhat load to control and for how long.
This is different from DSM where the load is controlledby the electric utility and the customer has no controlbeyond the initial consent.
Demand ResponseA broader definition
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Demand Response
Load Control at the customer level can providesignificant short term load reduction
It is a cheaper option to serve a part of the peakload
How to incentivize the customer?
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The proposed DR scheme
! Offers customers flexible participation in DR program
! Is an intelligent program, i.e. at any time the system operatorknows with certainty how much load reduction can be achieved(active two-way communication with customers)
! Lets customers control their end-use appliances according to theirneed (except under grid emergency situations)
! Encourages customer participation by enabling automatic in-homepower consumption management, along with real-time pricing andpower-use information display/alert
Flexible demand response scheme:Customer choice VT Model
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Home Management System:
! Is an intelligent device that manages powerconsumption of end-use appliances at thecustomer property (house, building)
! Has a two-way communication capability
! Is equipped with certain sensor and controldevices
! Has an user-friendly interface (a display andinput options)
An overview of
Home Management System (HMS)
HMS operation aims to meet three objectives :
! To ensure the end user s comfort
! To achieve a target load saving and ensureeffective operation of the controlled appliances
! To minimize end user discomfort during grid
emergency
Requirements of HMS operation
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Home Area Network
ZigBee HAN Digital Home Design Line
http://www.digitalhomedesignline.com/212200388%3Bjsessionid=4NSYMR40EYQKKQSNDLRCKH0CJUNN
2JVN?printableArticle=true
ZigBee Network Connections Venture Beat
http://venturebeat.com/2009/04/07/ember-lands-8m-for-a-hefty-slice-of-the-smart-grid/
4-phase scheme: Grid " Substation " Customer" End-use equipment control by HMS
SummaryFlexible demand response scheme
Substations
GRIDOPERATOR
Customers Customers
Smart meter
Home ManagementSystem (HMS)
Water heater
Home Management System(HMS)
Dryer HVAC
PHEV
Wirelesscommunication
Optimizedpower-use
Flexible DR
Customerfull control &
comfort
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Residential: - 780 customers- 200 EVs
Quick charge: 240V/15A
Normal charge: 120V/15A
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204 projects total
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AMI: installation of smart meters to allow theuse of real-time pricing, demand response,load management, and more.
CS: enabling smart grid functions to equipmentand/or software applications at the customerlevel.
DS: adding smart grid functions to devices,equipment, and/or software applications inelectric distribution systems.
EM: production of smart grid equipment,software, or communications and controlsystems that can enable smart grid functions.
IS: adding smart grid functions to multipleportions of the electric system, which include
AMI, equipment manufacturing, customersystems, distribution systems and transmissionsystems.
TS: adding smart grid functions to devices,equipment, and/or software applications inelectric transmission systems.
RD: demonstrating smart grid functions at aregional level.
SD: demonstrating grid-scale energy storagesystems.
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IntelligenceTwo-way communication
Real-time monitoring & control
But, we have some ways to go
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Source: EPRI
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P rof. Saifur Rahmanwww.saifurrahman.org