Advanced metering infrastructure (AMI)

Advanced Metering Infrastructure
ARULKUMAR A,
Assistant Professor,
Mechatronics Engineering,
Kamaraj College of Engg & Tech

 What is Smart Meter ?
 Hardware components of smart meter
 Advanced Metering Infrastructure (AMI)
 Typical AMI Network
 AMI Use Cases/ Applications (Hands On)
April 8, 2020 Advanced Metering InfrastructureSlide 2
Agenda

Smart Meter
ESI
Energy Service Interface- HAN network
interface component with NIC
NIC
Network Interface Component – to
exchange data to outside world
LoV
Detector
Loss Of Voltage Detector- to sense supply
failure
TOU
Register
Time of Use register- Billing will be based
on time of use of energy
I/O Unit
Connect Disconnect of circuit Breaker,
Transformer Temperature information
Power
Quality
Power Quality- Measures and stores
power quality data
Load
Profiles
Measures and stores various load profiles
events such as Maximum Demand
Remote
Support
Remote Firmware Upgrade and
configuration
Security
Detects and alerts Meter Tampering and
Power theft

Smart Meter – Gas &Water Meter
Smart
Meter
Gas
Meter
Water
Meter
Utility Billing
Customer
Information
System
Helps to detect water leaks
and controls water crisis

Smart Meter – Network Interface Card
Smart Meter
P
1
P
2
RS485/ RS232
Optical
DC
-HHU: Hand Held Unit, which helps to configure and read the meter locally.
-DC: Data Concentrators acts as data aggregators used to collect all meter data in a locality
-Network: Forms a communication channel for applications to access data
Distribution Application Apps
a) Meter Data Management
System
b) Demand Response
Management System
c) Distribution Management
System
d) Outage Management System
e) Customer Information
System
HHU
Network

COSEM – Companion Specification for Energy Metering
 Object Oriented Approach
 A Device is seen as a various functionalities it does
4/8/2020 Advanced Metering Infrastructure6
Information Model: COSEM(Logical Device)
Smart Meter
Management Logical Device will contain the list of Other Logical Devices.
Management
Logical Device
Address: 1
Electricity
Logical Device
Address: 4
Gas
Logical Device
Address: 3
Water
Logical Device
Address: 2

Information Model: COSEM(Logical Name)

Services are the ones that do some actions on data
a. AssociationRequest
b. AssociationResponse
c. GetRequest
d. GetResponse
e. WriteRequest
f. WriteResponse
Services Modelling -COSEM

DLMS-Device Language Message Specification
DLMS Services:
a) Get: Service used to read normal (small) data from meter.
b) Get with block: Service used to read large data from meter.
c) Set: Service used to write normal (small) data into meter.
d) Set with block: Service used to write large data into meter.
e) Action: Service used to execute methods inside meter.
f) Selective Access: Service used to selectively access meter data
Communication Protocols- DLMS

AMI Network (Home)
SMART
washing
machine
Smart
Thermostat
Smart AC
Electric
vehicle
Water Meter Gas Meter
Home/ Personal Area Network
Smart Meter

AMI Network
Neighborhood Area Network
PLC
RF Mesh
Internet
Data
Concentrator

Typical AMI Network
AMI HEAD
END
S
M
S
M
S
M
S
M
Inter
net
S
M
S
M
S
M
S
M
S
M
S
M
S
M
S
M
Data
Concentrator
Data
Concentrator
Data
Concentrator
Internet
GPRS
Wired Optical Fiber
Router

AMI Network (Skeletal)
AMI HEAD
END
ACCESS
POINT
SMART
METER
NIC
SMART
METER
NIC
SMART
METER
NIC
SMART
METER
NIC
ROUTER
Data
Concentrator
DRMS,DMS,OMS,
MDMS,CIS
Distribution Applications
Operations
Distribution
Customer
ROUTER

AMI Applications
 Bulk Meter Readings (AMR)
 Home Energy Management System
 Outage Notification
 Connect/ Disconnect
 Asset Management
 Real Time Pricing
 Remote Programming of Smart Meter

Bulk Meter Readings (AMR)
AMI HEAD
END
SMART
METER
Operations
Customer
AMI Network
MDMS CIS
WEB
PROTOL
LOAD
PROFILE
Billing
MD, Daily, Hourly usage
Online viewing
of bills and
payment
Planning

Home Energy Management System
AMI HEAD
END
SMART
METER
Operations
Customer
AMI Network
CIS
DRMS
Demand Response Management System:
Sense the peak demand in the Grid and
sends signals to Smart meter to reduce
Consumption
E
S
I
Washing
Machine
Lighting
TV
AC
Motor
Fridge
HAN
Smart
Appliances
HEM
N
I
C
Check’s whether Customer is registered
for RTP (Real Time Pricing) and bills as per
their time of use Consumption, thus
earning rewards for participation in RTP

Outage Notification
Customer
AMI HEAD
END
SMART
METER
Operations
Customer
AMI Network
Trouble
Ticket
System
OMS
Maintenance
Engineer
Service Provider
Loss of voltage Detector
and informs to Outage
Management System
Fault Identification and
Early Restoration

Connect Disconnect
AMI HEAD
END
SMART
METER
Operations
AMI Network
CIS
DRMS
Disconnect the load in case of extreme
Demand Conditions
Disconnects the Services if bill is not paid
CB Cut offs Home’s Supply
Customer

Remote Programming
AMI HEAD
END
SMART
METER
Operations
AMI Network
MDMS Does Remote Programming of the smart
Meter and Firmware upgrade
Customer
Remote Programming of TOU rates
Vendor
Software

Real Time Pricing
AMI HEAD
END
SMART
METER
Operations
AMI Network
Smart Grid
Dispatch
HEM
Distribution
Regional
Transmission
Operator
Market
DMS
Billing Cost
Engine

Asset Management
AMI HEAD
END
SMART
METER
Operations
AMI Network
Asset
Management
System
Monitors health of the system and alerts
the operators on abnormal situations
Transformer
Distribution
Maintenance
Engineer
Service Provider

-Source: Future distributiongrid using Elster’s EnergyAxis System for AMI

References
http://smartgrid.epri.com/Repository/Repository.aspx

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