it9 - gis and utility mapping
TRANSCRIPT
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WELCOMEWELCOME
Presentation on GISPresentation on GIS
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Utility Mapping
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Utility Mapping Modes Single Line Diagram
Sketch
Network Drawn on Taluka / District Map to Scale
One time Digitisation of Network for Preparation of SI Scheme/ Distribution Project
Digital Map
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Digital Map Map of Electrical Network
Showing Location of each Utility Facility by Unique Co-Ordinate System i.e Latitude and Longitude
Showing Connectivity between the of Facilities
Showing Complete Geographic Information of Area
Easy to edit and Update the map
Facility To Join Maps
Store and Display map on Computer Screen and also take hard copies on Plotter/ Printer
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Map CoordinatesCartesian Co-ordinates
Location Identified by X, Y Coordinates
Not unique – Depends on scale and
location of origin
Latitude and Longitude
Unique in the entire universe.
Independent of Scale
Origin is irrelevant
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State / Utility MapsState Maps 1 inch = 32 miles Transmission Network
District Maps 1 inch = 4 miles Sub Transmission Network
Taluka Maps 1 inch = 1 mile 11 KV Network
Village/ Town Maps 8 inches = 1 mile LT Network
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State / Utility Maps - Characteristics
Irregular Shape and Size
Latitudes and Longitudes Not
Marked
Difficult to join the maps
Minimal Geographic Information
Shows Village boundaries
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Survey of India Maps.
Standard Maps 1:250000 –1 degree / 1 degrees
1:50000 – 15 mts / 15 mts
1:25000 - 7.5 mts/ 7.5 mts
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Map Coding
1 5 9 13
2 6 10 14
3 7 11 15
A B 8 12 16C D
A
H L P
O
B
C
M
N
E I
F
G
J
K
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SOI Coding Indian Sub- Continent divided into blocks of 4Degrees* 4
degrees and assigned a number Each Block divided in to 16 Sub –Blocks and assigned
Characters A to P– 1 Degree * 1 degree - Enlarged to obtain Maps of Scale 1: 250,000
Each sub-block is again subdivided into 16 parts and given Numbers 1-16 – 15 Minutes * 15 minutes – Enlarged to obtain Maps of scale 1: 50,000
Each part is again divided into 4 parts and each part is assigned Character A-D- 7.5 minutes *7.5 minutes - Enlarged to obtain Maps of scale 1:25000
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Survey of India Maps -Characteristics
Wealth of Geographic Information
Facility for joining maps
Based on latitudes and longitudes.
Country divided into 96 blocks of 4Degrees *4 degrees and assigned a number
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Satellite ImageryIndicates Latest Ground Position vs SOI maps of 1970 VintageNRSA Nodal agency in IndiaIRS 1C – Indian -5.8 Meters resolution IKONOS- US – 1.0 meter resolutionPanchromatic – Black and white PicturesMulti Spectral – Colour –Resolution 4 Times PanchromaticBlack –water body,VegetationWhite- Rocky areas,Dry Areas
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Global Positioning System
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04/10/23 GECE, Hyderabad 14
GPS Survey -Objectives
Capture latitude and Longitude of Network Facilities like Substations, Distribution Transformers, HT and LT Poles, etc., Collect all relevant attribute information.Transfer the data directly to POWERNET or GIS Package for analysis.
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04/10/23 GECE, Hyderabad 15
GPS Satellites
24 satellites orbit at 20,200 Kms24 hours operationProvides Position, Velocity and Time anywhere in the worldMaintained by DOD USA
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04/10/23 GECE, Hyderabad 16
GPS : How It works
24 GPS sat. at 20,200 Kms orbit twice per day.
GPS receiver on ground calculate their position by making distance measurements to four or more satellites
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04/10/23 GECE, Hyderabad 17
GPS Position
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KHAMMAM HT GPS DATA WITH DIG. DATA
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Methodology
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Survey of Electrical Network:
• Establish Base station at Central place.
• The base coordinates will be determined by observing GPS data for minimum 72 hours.
• Survey will be performed feeder wise by the teams. A Trimble Rover station 3C Model having 5 meter accuracy will be taken to each Electrical object like pole, distribution transformer etc. to capture its latitude and longitude.
• Every pole or electrical object will be given a unique ID as per the plan specified by the APCPDCL .
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Survey of Electrical Network:
• Differential correction will be performed using post-processing technique and the software provided by Trimble – a leading GPS Vendor.
• The differential processing will give 1 mtr. Accuracy. • The GPS data will be imported to POWERGIS .
• POWERGIS has the capability to build the network topology using GPS data.
• The network map will be overlaid on the base map.
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Survey of Electrical Network
• Distribution Transformers Type I.e pole mounted or plinth mounted will be separately identified.
• Jumpers given on lines will be identified.
• Isolators, sectionalizers and Fuses etc., will be identified.
• All cables, their position will be identified as per the maps available with APCPDCL. Where no such maps are available, they shall be verified with cable tracing equipment.
• All cable joints will be identified.
• Feeder pillar boxes, service pillar boxes will be identified.
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Consumer indexing:• Identify Consumers incident on each pole or service pillar
from which supply is released by field survey
• Incorporate the information in POWERGIS
• POWERGIS will automatically establish the link between consumer to pole, pole to LV Feeder, LV Feeder to Distribution substation, Distribution substation to 11kV Feeder and 11kV Feeder to Grid substation.
• The complete hierarchy will get updated as and when the network is re-configured i.e., changes in LV network with erection of distribution substation or changes in HV network with erection of new distribution substations or New 11kV Feeder etc.
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Why GIS in POWER ?GIS is required to build a topology and store information related to each and every equipment
Topology enables the user to Run the applications better Manipulate the network for different studies View the network in an organized way Build customized views for better displays
Using GIS we can locate every equipment on a map and on the ground.
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Vadodara GIS Project
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Electrical Network Overlaid on VUDA MapElectrical Network Overlaid on VUDA Map
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Navrang
SRP
Sursagar
Poloview
Azad Maidan
Narmada
Tinmurty
Motibaug SS
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Consumer code 16106000980
Sh.MahendraBhai A Mehta
DTR :LAL-1
Sursagar 11kV Feeder
Pole
SGR/LAL-1/41
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Energy Audit And
Commercial Loss Management
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Objectives Of Energy Audit
• Energy Accounting and Audit of feeders and distribution transformers
• Energy Accounting and Audit of dedicated HT consumer’s feeder based on load survey data
• Customer energy sales review
•Load research providing load duration curve, typical daily load curve etc.
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IDENTIFICATION OF HIGH LOSSESComputes feederwise losses by taking units billed from billing system automatically Feederwise losses of Motibaug S/S (Nov-Dec 02)
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• Computes transformer wise losses by taking units billed from billing system automatically
• Transformer wise losses of TinMurti Feeder (Jan-03)
IDENTIFICATION OF HIGH LOSSES
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ENERGY AUDITCan compare the details within one class of consumers, say hotels
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Customer Management
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HT Consumer Code 35306
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HT Consumer Code :35306
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HT Consumer Code :35306
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Distribution Planning And Power Loss Reduction Management
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Low Voltage Area
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Reconductored section
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Hyderabad GIS Project
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GPS Survey in Hyderabad ProjectGPS Survey in Hyderabad ProjectSurvey period Survey period - - DecDec 2002– May 2002– May 2003 2003
11kV Line11kV Line OHOH -- 2,122 kM2,122 kM UGUG -- 292 kM 292 kM ABCABC -- 37 kM 37 kM
LV LineLV Line OHOH -- 4,151 kM4,151 kM UGUG -- 17 kM 17 kM ABCABC -- 32 kM 32 kM
DTRsDTRs - 13,082- 13,082
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GPS Survey in Hyderabad GPS Survey in Hyderabad ProjectProject
HT PolesHT Poles - - 80,126 80,126
LT Poles LT Poles -- 1,59,944 1,59,944
RMUsRMUs 5 panel 5 panel -- 123123 3 panel3 panel -- 449449
HT ConsumersHT Consumers -- 1,006 1,006
LT Consumers (approx) - 11,50,000LT Consumers (approx) - 11,50,000
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Network diagram in and around Hyderabad
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EHT- SUBSTATIONS --HYDERABAD CITY
400kV
132kV
220kV
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NARAYANAGUDA DIVISION 11KV NETWORK NARAYANAGUDA DIVISION 11KV NETWORK
Scale : 1:7000 Scale : 1:7000
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JAMES STREET DIVISION 11kV NetworkJAMES STREET DIVISION 11kV Network
over laid on HUDA MAPover laid on HUDA MAP
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JAMES STREET DIVISION 11kV NetworkJAMES STREET DIVISION 11kV Network
over laid on SOI MAPover laid on SOI MAP
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NIMS SUBSTATION 11KV NETWORK
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NIMS SUBSTATION 11KV AND LT NETWORK
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ANDRA JOTHI 11kV FEEDERANDRA JOTHI 11kV FEEDER
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ANDRA JOTHI 11kV AND LT ANDRA JOTHI 11kV AND LT NETWORKNETWORK
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SUBSTATION SINGLE LINE DIAGRAM DETAILSSUBSTATION SINGLE LINE DIAGRAM DETAILS
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POWER TRANSFORMER DETAILSPOWER TRANSFORMER DETAILS
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SUBSTATION STATISTICS
3x
16
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SINGLE LINE DIAGRAM OF DISTRIBUTION TRANSFORMER
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DISTRIBUTION TRANDFOREMR DETAILS
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DISTRIBUTION STATION DETAILS
LT NETWORK OF DISTRIBUTION TRANSFORMER
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3 WAY RMU
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N41404NMW018
11KV WATER WORKS
CONSUMER DETAILS
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VOLTAGE REGULATIONS OF 11KV AND LT NETWORK
LOW VOLTAGE AREA
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Energy Audit For NIMS Substation Area
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Energy Audit—NIMS Substation
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Energy Audit—NIMS Substation
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04/10/23 GECE, Hyderabad 80
Model Distribution Management System
Nehru Place District Delhi Vidyut Board
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Objectives of Model DMS
Energy Accounting
Reduction of Distribution Losses
Revenue Protection management
Better Reliability and Quality of Supply
Better Customer Service/ Focus
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DVB – NHP DISTRICT
11KV NETWORK
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DVB NETWORK
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DVB – NHP DISTRICT
LT NETWORK
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APEEP Project
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No of substations 3
No of 11kV feeders 9
Length of 11 kV Line 102 kM
Length of LT line 322km
No.of DTRs 152
Total No. of Consumers 30,250
APEEP -- MAHABUBNAGAR TOWN
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APEEP GIS PROJECT –MAHABUBNAGAR TOWN
Consumer Tracing
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Energy Audit
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Energy Audit
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No of substations 3
No of 11kV feeders 14
Length of 11 kV Line 240kM
Length of LT line 277km
No.of DTRs 421
Total No. of Consumers 27,500
APEEP–NALGONDA TOWN
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Consumer Tracing
APEEP GIS PROJECT –NALGONDA TOWN
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Energy Audit
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Energy Audit
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APEEP–KHAMMAM TOWN
No of substations 4
No of 11kV feeders 15
Length of 11 kV Line 184kM
Length of LT line 508km
No.of DTRs 576
Total No. of Consumers 44,500
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Consumer Tracing
APEEP GIS PROJECT –KHAMMAM TOWN
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Energy Audit
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Energy Audit
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Distribution
Planning Studies
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Network Status Before Project
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Project Benefits -Khammam
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Project Benefits - Mahaboobnagar
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Project Benefits - Nalgonda
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Project Evaluation
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Project Goal
Energy efficiency achieved through lower cost electricity supplied at lower level of emission per mw hour
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V & C Losses
Before and After
Network Configuration
Feeder Loadings
Feeder Energy Input
Feeder Energy Sales
Data Collection Before and After
Load Flow Analysis
Energy Accounting
Compute Technical Loss Reduction
Compute Total Loss Reduction
Compare with Project Predictions
Extrapolate Results for Typical Cases
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Reduction in Energy
Losses for Evaluated Sub-
Projects
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Projection of Energy Loss Reduction - Khammam District
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Verification and certification of Energy Loss
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Expected Reduction in Energy Loss as per Project Report
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Investment Analysis
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Green House Gas Emissions
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Thank You