Transcript Smart Grid in Distribution Sector

Arunabha Basu
VP & Head – Technology
North Delhi Power Limited
What is Smart Grid ???
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“SMART GIRD” is a technology implementation that
uses advanced sensing, metering, communication,
control, computation and reporting technologies to
facilitate generation, transmission and distribution
of electricity more effectively, economically and
securely to achieve desired balancing of supply and
demand.
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The smart grid marries information technology with
our current electrical infrastructure, helping us
support the energy needs of our 21st Century
society. The smart grid is, in essence, an “energy
Internet,” delivering real-time energy information
and knowledge—empowering smarter energy
choices. Considering the energy challenges we
currently face, we must find a way to do more with
less—and quickly.
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EPRI’S DEFINITION OF A SMART GRID……..
A power system that is made up of numerous automated T&D systems, all operating in a
coordinated, efficient and reliable manner.
A power system that handles emergency conditions with ‘self-healing’ actions and is
responsive to energy-market and utility needs.
A power system that serves millions of customers and has an intelligent communications
infrastructure enabling the timely, secure and adaptable information flow needed to
provide power to the evolving digital economy
Asset
Management
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Grid Control
Data Collection Communications Sensors
& Local Control
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This is the role for a smarter grid, which:
• Enables the integration and optimization of more
renewable energy (such as wind and solar) and
plug-in electric vehicles.
• Drives significant increases in the efficiency of our
network.
• Empowers consumers to manage their energy usage
and save money without compromising their
lifestyle.
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Going to the next step and tying many different
systems together by expanding our inter-systems
communications
TRANSMISSION
GENERATION
DISTRIBUTION
USERS
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THE SMART GRID GAP
Characteristic
Today
Enables Consumer
Participation
Little price visibility,
time-of-use pricing
rare, few choices
Accommodates
Generation/Storage
Dominated by central
generation. Little DG,
DR, storage or
renewable
Enables New Markets
Limited wholesale
markets, not well
integrated
Meets PQ Needs
Focus on outages not
power quality
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Tomorrow
Full price info, choose
from many plans,
prices and options, buy
and sell
Many “plug and play”
distributed energy
resources complement
central generation
Mature, well-integrated
wholesale markets,
growth of new
electricity markets
PQ a priority with a
variety of quality/price
options according to
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needs
THE SMART GRID GAP
Characteristic
Today
Optimizes Assets &
Operates Efficiently
Little integration with
asset management
Self Heals
Protects assets
following disruption
(e.g. trip relay)
Resists Attack
Vulnerable to
terrorists and natural
disasters
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Tomorrow
Deep integration of
grid intelligence with
asset management
software
Prevents disruptions,
minimizes impact,
restores rapidly
Deters, detects,
mitigates, and
restores rapidly and
efficiently
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SMART GRID KEY TECHNOLOGIES
Sensing and
Measurement
Advanced Control
Methods
Improved Interfaces
and Decision Support
Advanced
Components
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Employee
Business
Associates
Regulator
Customer
Community
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Investor
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Expectation
Enablers
Technology
• Uninterrupted and reliable
power supply
• Lower tariffs
• Timely addressing of issues
• Robust network management
• Right Equipment
• Smart IEDS
• Faster restoration through
centralized control
• Lower Costs
• Optimized scheduling
• Lower Technical losses
• Demand side management
• Peak Smoothening
• Customer Relationship
Management (CRM)
• Substation Automation
• GSAS
• DA
• SCADA
• STLF
• ABT
• Load Shedding
• DMS
• OMS
• SAP ISU
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Expectation
Enabler
Technology
• Highest Return on Investment
• Higher Growth
• Larger Market Share
• Enhancing Brand Equity
• Lower AT&C Losses
• Efficient Metering, Billing and
Collections
• Efficient Consumption
Monitoring
• Superior Customer
Relationship Management
• Doorstep Service Delivery
• Faster resolution of Customer
issues
• Superior CAPEX and OPEX
Management
• SAP ISU CCS
• AMR/AMI
• MDM
• SAP PM/MM/FICO
• GIS
• CYME
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Expectation
Enablers
Technology
• Environment Friendliness
• Cleaner and Greener
Resources
• Health and Safety
• CSR Activities
• Selection of Renewable Energy
Resources
• Hydro Generators
• Solar Power
• Promotion of Energy Saving
Practices
• Blood Donation Camps
• Contribution towards NGOs
• Distributed Generation
• Home appliances automation
• Optimized Demand Side
Management
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Expectation
Enablers
Technology
• Timely Closure of Contracts
• Faster Realization of payments
and dues
• Trustworthy Relationship
Building
• Fair Practices in vendor
selection
• Best Practices in Contracts and
Financial Management
• SAP
• EAI
• Industry Standard Protocols to
avoid proprietary systems
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Expectation
Enablers
Technology
• Transparent Accounting
• Effective Deployment of Public
Funds (Tariff Subsidies)
• Reliable Power Supply
• Enterprise Resource Planning
(ERP)
• Efficient Outage Management
• Mobile Workforces
Management
• Energy Accounting and Audit
• SAP
• ISU
• FICO
• PM/MM
• OMS/MWM
• Online Monitoring of
Reliability Indices
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Expectation
Enablers
Technology
• Transparency and fair practices
• Performance Management
• Compensation
• Growth Opportunities
• External (within group cos)
• Internal
• Human Resource Management
• Enterprise Resource
Management (ERP)
• Employee Satisfaction
Monitoring
• Efficient Talent Management
• Efficient Succession Planning
• Career Planning
• SAP
• HRM
• Online Feedback surveys
• Knowledge Sharing Portals
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Smart Grid Drivers
Operational Efficiency …
• Increase operational
productivity
• Reduce capital and operating
costs
• Improve physical/cyber security
Energy Efficiency
…
• Optimize energy
usage
Smart Grid
• Manage growing
energy demand
• Extend asset
utilization
Customer Satisfaction
…
• Improve reliability metrics
• Consumer empowered to
control energy usage
• Tighter communications
with Utility
Environmental Impact …
• Additional services
• Reduce, avoid and/or
sequester CO2 emissions
• Meet or exceed regulatory
requirements
• Increase environmental
options for consumer
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The Smart Grid is MORE:• Reliable
• Secure
• Economic
• Efficient
• Environmentally friendly
• Safe
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The Smart Grid will:
 Enable active participation by consumers
 Accommodate all generation and storage options
 Enable new products, services and markets
 Provide power quality for the digital economy
 Optimize asset utilization and operate efficiently
 Anticipate & respond to system disturbances (selfheal)
 Operate resiliently against attack and natural disaster
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Additional
service
options
Cumulative
benefits
Shaping
Demand
Current scope
• Meter reading
• Basic outage
•
•
•
•
management
Theft detection
Prepayment
Billing
Limited distribution/
substation automation,
and other SCADA
Integrate existing services to
Utility
challenge new platform
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Time of Use pricing
Critical Peak Pricing
In-home displays
Integrated disconnect
Home energy
management
Confirmed load control
Net metering/ solar
Home energy audit
Advanced fault monitoring
Use of Spatial
technologies
Transform existing services
using advanced
communications capability
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Real time pricing
Micro-grids
Fault prediction
Smart grid switching
Home energy automation
Distributed generation
from fuel cells, solar, and
online backup generation
OUTAGE MANAGEMENT
Technology
complexity
Enable future services and
innovation
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*
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AMI : Automated Meter
Infrastructure
DR : Demand Response
AMR : Automated Meter
Reading
MDMS : Meter Data
Management System
ADO : Advanced Distribution
Operations
ATO : Advanced
Transmission Operations
DA : Distribution Automation
OMS : Outage Management
System
DER : Distributed Energy
Resources
AAM : Advanced Asset
Management
EMS : Energy Management
System
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Automation Technology Roadmap
50 OFFICES
C
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W
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K
SCADA
CRM
TRANSCO GRID
STN (9)
EMS
NDPL
GRID STN (56)
DIST SUB STN
(5000 plus)
Billing
SAP
DA
DMS
GIS
AMR
CUSTOMERS
(1 Mn Plus)
OMS
A way forward for smart grid….
Call Centre
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SCADA: System Architecture at NDPL
UI
UI
UI
UI
UI
UI
UI
UI
UI
IM Server
IM Server
IM Server
RT Server
RT Server
RT Server
TCI
TCI
WAN on FIBER
OPTIC RING
NETWORK
TCI
ROUTER
ROUTER
MUX
MUX
MUX
ROUTER
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DATA
CONCENTRATOR
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Typical GE System Architecture
MCC
BCC
HMI PC
HMI PC
NDPL NET
Communication
N/W
Communication
N/W
IEC 60870-5-104
D25
BCU
RTU Maint. Port
Ethernet
Switch
UTP cable
D25
BCU
UTP cable
IEC 60870-5-104
D25
BCU
IEC 60870-5-104
D20 Data
concentrator
IEC-60870-5-103
Protocol – Modbus RTU
(Sepam Relays) or SPA
(ABB Relays)
RS-232, Copper
Sigma-3
I/Os
BCUs for 66-33 kV
I/C
I/Os
I/Os
BCUs for 66/33/11 kV
Transformer Feeder
Transformer
Monitoring
Units
IEC-60870-5-103
Sigma-1
BCUs for 33 kV
Bus Coupler
Multi function
Transducer
(Modbus)
Fiber Optic
Cable
Argus Protection relays on 66/33kV
Incomer, Transformer. Feeder, Bus-Coupler,
Outgoing & Capacitor Banks
Typical System configuration
Communication Infrastructure
FIBER RING - NDPL
Objective
:
Σ
Σ
SUB Ring 5
2
2
2
STM entire
4
To connect
NDPL network over Six Rings2 Σcovering all grids to
Σ
2
Σ
serve system operations
and
other
applications.
SUB Ring 1
Σ
2
GULABI BAGH
SHAKTI NAGAR DO
SHEHJADA BAGH
NEW ROHTAK ROAD
PUSA ROAD
RG-5
DSIDC1
NARELA
DSIDC2
NARELA
DSIDC1
NARELA
GTK Grid
DSIDC A7,
NARELA
RG-3
Σ
Σ
SHALIMAR
BAGH
Σ
2
NARAYANA PH-I
PITAM PURA DO
STM 4
2
HDR’PUR
Σ
Σ
RAMA ROAD
PP-1
RANIBAGH CCC
Σ
SGTN
2
PP III
Σ
2
Σ
Saraswati garden
RANIBAGH GRID
ASHOK VIHAR GRID
Σ
Σ
Benefits:
Σ
2
CORE RING
SUB
Ring 4
Σ
Very
Reliability
Σ
ΣHigh
2
STM 16
STM 4
SUB Ring 3
High speed
Data Communication for all critical
STM business
4
Σ
Σ
Σ
Σ
applications
Σ
Σ
Σ
Data security between Operations
andΣEnterprise Σ
Σ
Σ
2
Σ
LessΣresolution
time
for
any
communication
failure
SUB Ring 2
Σ
Σ
STM 4
Σ
Scalable bandwidth provisioning
RG-1
NARELA DO
PP II
2
WZP-I
BAWANA
WATER
WORKS and
Bawana DO
JAHANGIR
PURI
WZP-II
Σ
MGP-II
AIR KHAMPUR
POOTH
KHURD
GRID
INDER PURI
HUDSON LINES
VSNL
RG-II
2
CIVIL LINES
RG-6
MGP-1
INDER VIHAR
PANDU NAGAR
WAZIRABAD
RAM PURA
RG-23
RG-22
Σ
Enterprise DATA
Grids
Fiber Sub Ring
Fiber Main Ring
RG-IV
Σ
2
VSNL
ROHTAK ROAD
S PARK
Enterprise and Grid
VSNL Gateway
for internet
TRI NAGAR
AZAD PUR
BADLI
BAWANA
GRID-6
2
ASHOK VIHAR
H BLOCK CCC
SARASWATI GARDEN
Σ
Σ
Σ
KESHAV
PURAM DO
Renewable Energy Source (Solar)
Connected to Grid
GENERATION
UTILITY
Custom Applications
Existing
Applications
•SAP ISU
•OMS
•Scada
Meter Data Management System
Customer Portal
Meter Data Collection
GPRS /PLC Communication Network
CUSTOMER
Smart Meter
Smart Meter
Customer’s Home Area Network
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APPLICATIONS / DELIVERABLES
Area
Functions
Solution Description

Smart meters would include connect and
disconnect feature and the NDPL user
would be able to execute it using custom
app user interface
NDPL user can set the load limit on the
smart meter. The meter would trip if the
load exceeds the same


Connect / Disconnect
Load Limit setup
Pricing


Demand Bidding Pricing
Critical Peak Pricing/TOU Pricing

This functionality would be executed using
the load management and customer
campaigns
Customer Outage



Customer Outage Detection
Online information
Integration with SAP ISU, OMS

Smart meters can detect the outage and
provide the information via MDC/ MDM
and custom application


Real Time Consumption
Web Display-Monthly detailed
report
Monthly Billing
Exception Reporting via SMS
Soft bill generation

Custom portal would have this
functionality
Meter data reading would come in
through smart meters, AMI and MDM
Load Management
Billing
Energy Audit
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



Feeder wise/ DT wise Audit up to
consumer



Meter data management would provide
this functionality
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Thanks
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