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POWER GRID CORPORATION OF INDIA LTD. SRLDC, BANGALORE. PRESENTATION. ON. SOUTHERN REGIONAL GRID. By L.K.Kanungo. &. U.K.Verma. LINKS. SR GRID. SR GRID MAP. HIGHLIGHTS. INTER-REGIONAL LINKS. STATEWISE BREAKUP OF I/C. IMPORT THROUGH HVDC. GROWTH OF I/C & PEAK DEMAND.

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Power grid corporation of india ltd
POWER GRID CORPORATION OF INDIA LTD.

SRLDC, BANGALORE

PRESENTATION

ON

SOUTHERN REGIONAL GRID

By L.K.Kanungo

&

U.K.Verma


Links
LINKS

SR GRID

SR GRID MAP

HIGHLIGHTS

INTER-REGIONAL

LINKS

STATEWISE BREAKUP

OF I/C

IMPORT THROUGH

HVDC

GROWTH OF

I/C & PEAK DEMAND

SR INSTALLED

CAPACITY

VOLTAGE SPECTRUM

2001-02

FREQ SPECTRUM

2001-02

U/F RELAY

INTER-REGIONAL

IMPORTS

TYPICAL CITY

LOADS

EXPECTED T/L

EXPECTED

GENERATION

3D FREQUENCY

JULY-02

3D DEMAND

JULY-02

SHARE ALLOCATION

TALCHER

CGS GEN COST

INTER-STATE TIE

LINES

PROBLEMS

SOLUTIONS

RESERVOIR POSITION

SPARE

KERALA

TAMIL NADU

ANDHRA PRADESH

KARNATAKA

ULDC PROJECT

Hierarchy of ULDC

Control Centres

Communication

Challel


Andhra pradesh
ANDHRA PRADESH

INSTALLED

CAPACITY

CONSUMER PROFILE

QUICK FACTS

GRID HIGHLIGHTS

VTS & LANCO

EVACUATION

KTS EVACUATION

PROBLEMS

GZK EVACUATION

THERMAL

N’SAGAR & SRISAILAM

RESERVOIR

TWIN CITY RING

MAIN

HYDRO

EXPECTED TRANS.

ADDITIONS

COST OF

GENERATORS

JALAPUT RESERVOIR

EXPECTED GEN.

ADDITIONS

3D DEMAND

JULY-02

REACTIVE POWER

MANAGEMENT

NATURAL

ADVANTAGES

POWER REFORMS


Karnataka
KARNATAKA

INSTALLED

CAPACITY

CONSUMER PROFILE

QUICK FACTS

GRID HIGHLIGHTS

KAPS & NJPH

EVACUATION

PRESENT

NELAMANGALA

PROBLEMS

RTPS EVACUATION

FINAL

SHARAVATHY

RIVERS AND

RESERVOIRS

FINAL

NELAMANGALA

PRESENT

SHARAVATHY

400KV T/L

3D DEMAND

JULY-02

220KV T/L

EXPECTED

EXPECTED GEN.

ADDITIONS

VARIABLE COSTS


Kerala
KERALA

INSTALLED

CAPACITY

CONSUMER PROFILE

QUICK FACTS

GRID HIGHLIGHTS

GENERATION

SCHEME

GROWTH OF PER

CAPITA INCOME

PROBLEMS

WIND MILL

POTENTIAL

GROWTH OF

I/C Vs DEMAND

GROWTH OF

GEN & CONSUMPTION

INFLOWS OF

IDDUKI & KAKKI

BREAKUP OF

ENERGY CONSUMED

3D DEMAND

JULY-02

VARIABLE COSTS

POWER MAP

EXPECTED GEN.

ADDITIONS


Tamil nadu
TAMIL NADU

INSTALLED

CAPACITY

CONSUMER PROFILE

QUICK FACTS

GRID HIGHLIGHTS

LOAD CENTRES

TYPICAL LOADS IN

MAIN CITIES

PROBLEMS

PROXIMICITY OF

GENERATING STN.

WIND ENERGY

CHENNAI SUPPLY

LIST OF HYDRO

STATIONS

PUMP STORAGE

EXPECTED TRANS.

ADDITIONS

3D DEMAND

JULY-02

TOTAL INFLOWS

EXPECTED GEN.

ADDITIONS

VARIABLE COSTS


Southern regional grid
SOUTHERN REGIONAL GRID

  • ▀ Comprises four States and Union Territory of Pondicherry

    • ANDHRA PRADESH

    • KARNATAKA

    • KERALA

    • TAMIL NADU

    • Union Territory of Pondicherry

    • ▀ Centre Generating Stations in the Region are

    • Ramagundam Super Thermal Power Stn. : 2,100 MW (200x3 + 500x3)

    • Neyveli Lignite Corporation Ltd. - II : 1,470 MW (210 x 7)

    • Madras Atomic Power Station : 340 MW (170 x 2)

    • Kaiga Generating Station : 440 MW (220 x 2)


Sr grid map

TALCHER

SR GRID MAP

BHADRAVATI

JEYPORE

178x2

SIMHADRI NTPC

2x221

8x4

RSTPP

GAZUWAKA(AP)

1

301x2

189

15x2

P

187

195

VISAKHAPATNAM

(POWERGRID)

267x2

KHAMMAM

HYDERABAD

317

P

P

115

197x2

P

MMDP

155

P

VIJAYAWADA

146x2

221x2

258

RAICHUR

NAGARJUNASAGAR

P

Nagjhari

279

172

308

SSLMM

MUNIRABAD

P

KODASAALY

277

KURNOOL

52x2

KAIGA

SIRSI

120

P

N

GOOTY

CUDDAPAH

60

P

DAVANAGERE

300

NELLORE

173

302

400 KV LINE PRESENTLY OPERATED AT 220 KV

KADRA

HIRIYUR

330

242

NELAMANGALA

28

ALMATHI

BANGALORE

98

P

MADRAS

P

KOLAR

HOODY

HOSUR

MAPS

182

181

63

175

PONDICHERY

SALEM

54

P

NEYVELI

179

151

164x2

UDUMALPET

TRICHY

P

130x2

TRICHUR

P

P

127

130x2

P

MADURAI

PALLOM

KAYANKULAM

EDAMON

2x78

THIRUVANATHAPURAM


Inter regional links
INTER REGIONAL LINKS

TALCHAR

CHANDRAPUR

ORISSA

JEYPORE

MAH

M.P

BALIMELA

BARSUR

GAZUWAKA

RAMAGUNDAM

U.SILERU

KOLHAPUR

L.SILERU

A.P

BELGAUM

T

AMBEWADI

GOA

KAIGA

KAR

HVDC BI POLE

HVDCB2B STATION

KOLAR

MAPS

CENTRAL GEN.STATION

NEYVELI

PONDICHERRY

220 kV LINE

T.N

400 kV LINE

110 kV HVDC LINE

KER

POWERGRID SRLDC



Installed capacity of sr in mw
INSTALLED CAPACITY OF SR IN MW

AS ON 31st July 02


STATEWISE BRAKUP OF INSTALLED CAPACITY IN SR AS ON 31.07.2002

IN MW

CGS

AP

TN

KAR

KER

26347MW


SOUTHERN REGIONAL GRID HIGHLIGHTS 31.07.2002

  • Installed Capacity - 26,347 MW

  • Average Daily Consumption - 359 MU

  • Average Grid Frequency - 48.30 HZ

  • Peak Demand Met - 20,063 MW

  • Demand Deficit - 17 %

  • Energy Deficit - 11 %


Growth of installed capacity peak demand met
Growth of Installed Capacity & Peak Demand Met 31.07.2002

Average Rate of Growth of Installed Capacity (MW): 4.5 %

Average Rate of Growth of Peak Demand met (MW): 5.6 %


IMPORT THROUGH HVDC 31.07.2002

846 Crores

578 Crores

430 Crores

298 Crores

236 Crores

77 Crores


IN MUs 31.07.2002


Frequency spectrum for 2001 02
FREQUENCY SPECTRUM FOR 2001-02 31.07.2002

LAST FOUR

YEARS



Automatic under frequency load shedding scheme
AUTOMATIC UNDER FREQUENCY LOAD SHEDDING SCHEME 31.07.2002

As per 129th SRE Board meeting, under frequency relays are to be set to operate in 3 stages at 48.0Hz, 47.8Hz & 47.7Hz instantaneous.

Present Status of relief through U/F relays:



Problems
PROBLEMS 31.07.2002

  • LOW GRID FREQUENCY

  • LOW VOLTAGES

  • HEAVY MVAR DRAWALS

  • CAPACITOR INSTALLATION-BACKLOG

  • MEAGRE RELIEF FROM AUFR’S

  • RELUCTANCE - MANUAL LOAD SHEDDING

  • TRANSMISSION CONSTRAINTS

  • PROTECTION CO-ORDINATION

  • GRID

    • DEFENCELESS

    • VULNERABLE


Solution
SOLUTION 31.07.2002

  • MAINTAIN FREQ BETWEEN 49-50.5 HZ

  • ACCELERATE SHUNT CAPACITOR INSTALLATION

  • REINSTATE 2 STAGE UFR’S

  • PROTECTION CO-ORDINATION

  • AUGMENTATION OF TRANSMISSION

  • SCIENTIFIC SETTLEMENT SYSTEM-ABT

  • FREE GOVERNOR MODE

    • SELF HEALING MECHANISM

  • CONJUNCTION


Hierarchy of The ULDC Scheme in Southern Region 31.07.2002

RLDC,Bangalore

SCC, Pondy

CPCC

Hyderabad

Kalamassery

Chennai

Bangalore

Andhra

Kerala

Tamilnadu

Karnataka

Hyderabad

Kalam’erry

Chennai

Bangalore

Cuddapah

Kannur

Erode

Davangere

Warangal

Trivandrum

Madurai

Hubli

Vijayawada


Communication Channel for Information flow 31.07.2002

RLDC

Wide Band

Commn

(MW / FO)

SLDC

SLDC

Wide Band

Commn

Sub-LDC

Sub-LDC

Wide Band /

PLCC Commn

RTU

RTU

RTU


Information Flow to Control Centres 31.07.2002

Ramagundam

Karnataka

Warangal

Satellite

Ghanapur

HYDERABAD

Vijayawada

Andhra Pradesh

Hubli

Davangeree

MW Link

Chinkampalli

FO Link

Bangalore

State owneed Link

CHENNAI

Sub-LDC

SLDC

Pondy

RCLDC

Kannur-B

Erode

UT of Pondy

Kerala

KALAMASSERY

Tamilnadu

Madurai

Vydyuthi Bhavanam


RSCC (1) 31.07.2002

CPCC (1)

SLDC (4)

SUB-LDC / SCC (14)

FIBRE OPTIC LINK 110/132kv

FIBRE OPTIC LINK (220kv)

FIBRE OPTIC LINK (400kv)

FIBRE OPTIC LINK (SEB)

MICROWAVE LINK (39 links)

SATELLITE LINK (KEB)

RTU LOCATIONS (201)

POWERGRID-ULDC PROJECT

SOUTHERN REGION OVERALL TELECOM BACKBONE NETWORK

PEDAPALLI

RAMAGUNDAM

DURSHED

JAMMIKUNTA

GAJUWAKA

VIZAG SWS

WARANGAL

SHAPURNAGAR

BOMMUR

GHANAPUR

HYDERABAD

KAKINADA

VTPS

CH.GUTTA

BHIMADOLE

N’SAGAR PH

HYDERABAD 400

VIJAYAWADA

TALLAPALLI

SRISAILAM PH

KURNOOL

SRISAILAM LBPH

APTRANSCO

RTUs

82(NEW)

SOMAYAJULAPALLI

HUBLI

GOOTY

N

MUDDANOORRTPP

DAVANAGERE

CHINAKAMPALLY

ANANTHAPUR

BANGALORE

PONDY RTUs

5 (NEW)

10 (EXST)

CHENNAI

SOMANAHALLI

KPTCL RTUs

22 (NEW)

21 (EXST)

SRIPERUMBUDUR

KUMBALGODI

P

SP.KOVIL

VILLIANUR

PONDY

KANNUR-B

SALEM400

CENTRAL

SECTOR RTUs

27(NEW)

PANRUTI

NEYVELI

SALEM230

ERODE

CHIDAMBARAM

INGUR

KOZHIKODE

MYLADUTURAI

PONGALORE

UDUMALPET

TRICHY

KOVILVENNI

TRICHUR NORTH

THIRUVARUR

TANJORE

ADANIKOTTAI

PUDUKOTTAI

KALAMASSERY

THIRUMAYAM

MADURAI400

KARAIKUDI

CHALAKUDI

KSEB RTU’S

30(NEW)

MADURAI

SIVAGANGA

PALLOM

TNEB RTUs

40 (NEW)

35 (EXST)

KAYANKULAM

VIAKKAM

KUNDARA

PARIPALLI

TRIVANDRUM NORTH

VYDYUTHI BHAVANAM


REACTIVE POWER MANAGEMENT 31.07.2002

  • TAP POSITION OF 400KV ICTs AT GAZUWAKA, VIJAYAWADA, KHAMMAM & HYDERABAD CHANGED.

  • MVAR INJECTION(220KV TO 400KV) THROUGH ICT AT GAZUWAKA BUS REVERSED.

  • MVAR EXPORT(400KV TO 220KV) THROUGH ICT AT VIJAYAWADA, KHAMMAM & HYDERABAD INCREASED.

  • APTRANSCO REPORTED IMPROVEMENT IN 220KV VOLTAGE PROFILE & REDUCTION IN LOSS BY 1%(APPROX.)





Powergrid transmission lines expected
POWERGRID TRANSMISSION LINES EXPECTED 31.07.2002

IN CKM

2002-03 2003-04


Reservoir position
RESERVOIR POSITION 31.07.2002


Share allocation before talcher 2000mw

IN MW 31.07.2002

SHARE ALLOCATION BEFORE TALCHER(2000MW)

SHARE ALLOCATION AFTER TALCHER(2000MW)

IN MW


220kv inter state tie lines in service
220KV INTER STATE TIE-LINES IN SERVICE 31.07.2002

  • Tandur (AP) – Sadem (Kar) - Radial load on AP.

  • Gooty (AP) – Alipur (Kar) - Radial load on AP.

  • Chittoor (AP) – Tiruvalam (TN) - Radial load on AP.

  • Sulurpet (AP) – Gummidipundi (TN)- Radial load on AP.

  • Theni (TN) – Muzhiyar (Ker) - Radial load on Ker.

    ADVANTAGES:

  • REDUCTION IN CONGESTION IN 400KV LINES

  • IMPROVEMENT IN VOLTAGE PROFILE

  • REDUCTION IN LOSSES

  • REDUCTION IN ANGULAR DIFFERENCE

    • BETTER STABILITY


Karnataka quick facts
KARNATAKA: QUICK FACTS 31.07.2002

  • TOTAL AREA 191791 SQ KMS

  • NUMBER OF CONSUMERS 105 LAKHS

  • CONNECTED LOAD 14157 MW

  • 400 KV TL 1456 CKM

  • 220 KV TL 7433 CKM

  • 110 KV TL 6058 CKM

  • 66 KV TL 6196 CKM

  • 33 KV TL 6543 CKM

  • TOTAL LENGTH OF HT LINES 129434 KMS



AS ON 31 31.07.2002st July 02



Problems faced in operation
PROBLEMS FACED IN OPERATION 31.07.2002

  • GENERATION DEPENDENT ON MONSOON

  • LOAD CENTRE IN SOUTH-GENERATION IN NORTH AND NORTH WEST-500-600 KMS AWAY

  • RTPS EVACUATION- O/L OF RTPS-LINGASUGUR LINES

  • KAPS EVACUATION –O/L OF KODASALLI-NJPH LINES– SLOW SWING

  • NJPH EVACUATION- O/L OF NJPH-HUBLI

  • LOADING OF GUTTUR-HIRIYUR-GB’NUR-DBPURA-HOODY

SHOW ME

SHOW ME

SHOW ME

GRIDMAP 220


Problems faced in operation1
PROBLEMS FACED IN OPERATION 31.07.2002

  • LOW VOLTAGES IN SOUTHERN PART OF THE STATE – INSUFFICIENT SHUNT COMPENSATION – OVERLOADED LINES

  • OVERLOADING OF SOMANAHALLI ICT’S:

    • MAX MW POSSIBLE AT 330KV = 770MW

GRIDMAP 220


96 % OF I/C IS IN THE CIRCLES SHOWN 31.07.2002

1260MW

Raichur

~

~

Nagjhari, Kodasalli, Kaiga & Kadra

LOAD 1250MW

~

~

~

1,565MW

1,330MW

~

Sharavathy, LDPH & MGHE

~

~

230MW

Varahi

~

LOAD 500 MW

LOW VOLTAGE ZONE

235MW

Tanirbavi

~

LOAD 2250 MW


Evacuation of rtps

HUMNABAD 31.07.2002

EVACUATION OF RTPS

BB WADI

SHAHBAD

TANDUR(AP)

SEDAM

ML PURA

RTPS 630 MW

RTPS 630 MW

HUBLI

LINGASUGUR

RAICHUR

GADAG

KUSHTAGI

MUNIRABAD

LINGAPUR

JINDAL 120 MW

ITTAGI

GUTTUR


Kaps and njph evacuation
KAPS AND NJPH EVACUATION 31.07.2002

TATA 81 MW

CHIKKODI

GOA

BELGAUM

XELDAM

A-WADI

M.L.PURA

NARENDRA

PONDA

NJPH

855 MW

KODASALLI

120 MW

GADAG

HUBLI

TO

LINGAPUR

KADRA-150MW

TO SHARAVATHY

DAVANGERE

HAVERI

SIRSI: BUS1

KAIGA

440 MW

SIRSI: BUS2


Present configuration at nelamangala
PRESENT CONFIGURATION AT NELAMANGALA 31.07.2002

GUTTUR

SHIMOGA

B4

B1

B2

B3

NELAMANGALA

HOODY

ANCHEPALYA

HOODY 220 KV

HEBBAL

PEENYA


Present configuration at nelamangala1
PRESENT CONFIGURATION AT NELAMANGALA 31.07.2002

  • RELIEF OF 100-125 MW ON HOODY ICT

  • VOLTAGE AT HOODY IMPROVED: 7-9 KV

  • VOLTAGE AT S’HALLI IMPROVED: 5-7 KV

  • LOADING OF S’HALLI-SB’PURA AND S’HALLI-ITPL 220KV LINES RELIEVED.

  • ONE MORE STEP TOWARDS ACHIEVING A 400 KV RING MAIN AROUND BANGALORE


Final configuration at nelamangala
FINAL CONFIGURATION AT NELAMANGALA 31.07.2002

GUTTUR

SHIMOGA

NELAMANGALA

HOODY

ANCHEPALYA

HOODY 220 KV

TO HOODY

HEBBAL

PEENYA


Present configuration at sharavathy
PRESENT CONFIGURATION AT SHARAVATHY 31.07.2002

SHARAVATHY:1035 MW

HUBLI

S5

S1

JUMPER REMOVED

TALAGUPPA

STRP:240 ,MW

S2

400 KV LINES OPERATED PRESENTLY AT 220 KV

S3

S4

JUMPER REMOVED

SHIMOGA

TO DAVANAGERE

TO NELAMANGALA- OPEN AT NELAMANGALA.TERMINATION WORKS PENDING


Final configuration at sharavathy
FINAL CONFIGURATION AT SHARAVATHY 31.07.2002

SHARAVATHY:1035 MW

HUBLI

S5

TALAGUPPA:2*315 MVA

STRP:240 ,MW

S2

S1

S3

S4

SHIMOGA

TO DAVANAGERE

TO NELAMANGALA




220 kv transmission lines expected
220 KV TRANSMISSION LINES EXPECTED 31.07.2002

  • SHIMOGA – VARAHI DC - DEC 2002.

  • AMBEWADI – NARENDRA DC – DEC 2002

  • S’HALLI-MALUR-KOLAR-CHINTAMANI DC – DEC 2002

  • NARENDRA - HAVERI DC – DEC 2003

  • NELAMANGALA – DB PURA – DEC 2003

  • KOLAR – GOWRIBIDANUR DC – OCT 2004

  • 400 KV TALAGUPPA – NELAMANGALA DC



400kv transmission lines planned
400KV TRANSMISSION LINES PLANNED 31.07.2002

  • 400 KV NELAMANGALA-MYSORE

  • 400 KV MYSORE-KOZHIKODE

  • 400 KV KAIGA-NARENDRA

  • 400 KV NARENDRA-GUTTUR

  • 400 KV GUTTUR-HASSAN-MYSORE

  • 400 KV MANGALORE-HASSAN-NELAMANGALA

  • 400/220 KV 500 MVA ICT AT HOODY


Andhra pradesh quick facts
ANDHRA PRADESH: QUICK FACTS 31.07.2002

  • TOTAL AREA 275000 SQ KMS

  • PER CAPITA CONSUMPTION 510 KWH

  • 400 KV TL 1287 CKM

  • 220 KV TL 10297 CKM

  • 110 KV TL 12439 CKM

  • 33 KV TL 32325 CKM

  • 11 KV TL 173092 CKM

  • LT LINES 438961 CKM

  • 400/220 KV TR 1260 MVA

  • 220/132KV TR 13353 MVA



AS ON 31 31.07.2002st July 02



Problems faced in operation2
PROBLEMS FACED IN OPERATION 31.07.2002

SHOW ME

SHOW ME

  • EVACUATION PROBLEM FOR NORTH EASTERN COASTAL PARTS

  • EVACUATION PROBLEMS AT VTS

  • HIGH AGRICULTURAL LOADS CAUSE SEASONAL VOLTAGE PROBLEM

  • CUDAPPAH AREA FACES LOW VOLTAGE IF RYTPS UNITS NOT AVAILABLE

  • HUGE LOAD RELIEF DURING CHANGE OVER- TRUNK LINE LOADINGS

  • RESERVOIRS WITH INSUFFICIENT STORAGE CAPACITY

  • SCHEDULING IPP’S DURING LEAN DEMAND

  • GENERATORS NOT ON FREE GOVERNER

GRIDMAP


Evacuation at gzk

TO JEYPORE 31.07.2002

GAZUWAKA 400 KV

GAZUWAKA 220 KV

VSP 70MW

SPECTRUM 208MW

BSES 140MW

PEDAPURAM

TO .L.SILERU

KAKINADA

JEGURUPADU

216MW

BOMMUR

VGTS-I 100MW

VGTS-II

172MW

VEMAGIRI

BHIMADOLU

BHIMAVARAM

NIDADAVOLU

GUDIVADA

VTS

VTS 1260MW

NUNNA

LANCO 350 MW

EVACUATION AT GZK


Vts and lanco evacuation
VTS AND LANCO EVACUATION 31.07.2002

NUNNA 400KV

TALAPALLI 400 KV

NUNNA

VTSG

TALAPALLI

FROM

BHIMADOLU

GUNADALA

80

60

180 x 2

160 x 2

80 x 2

130 x 2

TADIKONDA

150

FROM

VGTS-II

CHILLAKALLU

TO MALKARAM

VIA NKTPALLI

90

TO MALKARAM

140 x 2

PODILI

10 x 2

ONGOLE

STATION DIAGRAM

VTS=1260 MW

KONDAPALLI

LANCO=350MW


Evacuation of kts

NUNNA 31.07.2002

EVACUATION OF KTS

NUNNA 400 KV

KTS 1170MW

SH’ NAGAR

STATION DIAGRAM

MIRYALGUDA

N’SAGAR

S.R.PATNAM

TO L.SILERU

KHAMMAM 400 KV

KHAMMAM

TO HARD WATER

PLANT VIA

MANUGURU


Twin city ring main
‘TWIN CITY’ RING MAIN 31.07.2002

MALKARAM

SHAPOORNAGAR

MOULALI

TANDUR

NKT PALLI

GACHIBOWLI

CHILLAKALLU

YEDDUMAILARAM

GHANAPUR

TO MMDPALLI

CHANDRAYANGUTTA

TO SRISAILAM

MAMMIDAPALLI

MAMMIDAPALLI- 400KV


SIMHADRI(500 MW) 31.07.2002


N’SAGAR 31.07.2002

TURBINR TYPE:FRANCIS

HEAD : 93 MTS

STORAGE FRL 180MTS

STORAGE MDDL 149 MTS

SHOW ME

THE MAP

SRISAILAM

TURBINE TYPE: FRANCIS

HEAD : 83 MTS

STORAGE FRL 271MTS

STORAGE MDDL 243 MTS


JALAPUT 31.07.2002

TYPE:

STORAGE FRL 838MTS- 534 MU

STORAGE MDDL 809 MTS


Natural advantages
NATURAL ADVANTAGES 31.07.2002

  • GATE WAY OF SOUTH

  • MOST CONNECTED STATE

  • HIGHLY NETWORKED

  • BETTER SHORT CIRCUIT LEVEL AND STABILITY

  • ALLOWED TO DRAW MVAR AT RAMAGUNDAM

  • BEING AT THE MOUTH HAS ADVANTAGE AVAILING MORE ASSISTANCE FROM NEIGHBOURING REGION


BACK 31.07.2002


  • 2-4MU

  • 4-6MU

  • >6MU



Expected transmission additions
EXPECTED TRANSMISSION ADDITIONS 31.07.2002

IN CKM

2002-03 2003-04


Tamil nadu quick facts
TAMIL NADU: QUICK FACTS 31.07.2002

  • TOTAL AREA 130058 SQ KMS

  • NUMBER OF CONSUMERS 152 LAKHS

  • CONNECTED LOAD 25539 MW

  • 230 KV TL 6782 CKT KMS

  • 110 KV TL 12241 CKT KMS

  • 66 KV TL 2706 CKT KMS



AS ON 31 31.07.2002st July 02



Problems1
PROBLEMS 31.07.2002

  • HYDRO GENERATION MONSOON DEPENDENT

  • HYDRO M/C s OF SMALL CAPACITY . ITS CONTRIBUTION IS LESS FOR ANY MAJOR LOAD VARIATIONS.

  • PEAKING SHORTAGE

  • CONSTRAINTS FOR AVAILING IMPORTS

  • ANY MAJOR THERMAL UNIT TRIPPING, AGGRAVATES THE SITUATION FOLLOWED BY VOLTAGE PROBLEMS.


Proximicity of generating stations
PROXIMICITY OF GENERATING STATIONS 31.07.2002

NORTH MADRAS

ENNORE

TCPL

GMR VASAVI

BASIN BRIDGE

KALPAKKAM

SAMALPATTY

METTUR DAM

MOYAR

PYKARA

METTUR

TUNNEL

NEYVELI-TS II

NEYVELI-TS I

KUNDAH

COMPLEX

KOVI KALLAPAL

P P NALLUR

ALIYAR

SARKARPATHI

KADAMPARAI

SHOLAYAR

PERIYAR

SURULIYAR

Thermal

Hydro

Nuclear

IPP/GAS

BALAJI

SERVALAR

TUTICORIN

PAPANASAM

KODAYAR


Load centres in tn
LOAD CENTRES IN TN 31.07.2002

MAIN AGRI AREA

CITY LOADS




Kadamparai pumped storage hep
KADAMPARAI PUMPED STORAGE HEP 31.07.2002

  • NO OF UNITS : 2 (INITIALLY)

  • TYPE OF PUMP-TURBINE- REVERSIBLE FRANCIS(VETICAL SHAFT)

  • OUTPUT OF GENERATOR - 100 MW AT 0.9 pf lag

  • INPUT DURING PUMPING - 120 MW AT 0.98 pf lead

  • RATED SPEED – 500 rpm

    Contd...........


Kadamparai pumped storage hep1

UPPER RESERVOIR 31.07.2002

(KADAMPARAI)

FRL - 1149 m

MDDL - 1102 m

STORAGE –29.4 mcm

(live)

GEN. – 3.7mcft/hr/m/c

LOWER RESERVOIR

(UPPER ALIYAR)

FRL – 769.62 m

MDDL – 745.25 m

STORAGE –21.6 mcm

(live)

PUMPING - 2.7 mcft/hr/m/c

KADAMPARAI PUMPED STORAGE HEP


Wind energy
WIND ENERGY 31.07.2002

  • TOTAL INSTALLED CAPACITY IN THE COUNTRY- 1200 MW

  • IN TAMIL NADU-800MW

  • REQUIREMENT –

  • MINIMUM WIND VELOCITY-24 kms/hr

  • DESIRABLE WIND VELOCITY-48 kms/hr

  • LIMITATIONS

    - SEASONAL, DEPEND ON WIND VELOCITY

    - COSTLY

    - MVAR DEPENDENCY ON GRID


Chennai supply
CHENNAI SUPPLY 31.07.2002

  • POWER AVAILABLE IN AND AROUND CHENNAI AT PEAK

    ETPS – 450 MW

    NMTPS – 630 MW

    B.B - 120 MW

    GMR VASAVI- 186 MW

    TCPL - 62.5 MW

    TOTAL - 1448.5 MW

    AVAILABLE GENERATION (APPROXI) - 1250 MW

    TOTAL LOADS IN CHENNAI (APPROXI) – 1500 MW

    BALANCE MET THROUGH IMPORTS





Transmission lines expected
TRANSMISSION LINES EXPECTED 31.07.2002

400 KV

  • NCTPS TS II-SPDR - 2003

  • LILO OF NELLUR-SPDR AT ALMATHY - 2003

    230 KV

  • LILO OF METTUR-HOSUR AT KARIMANGALAM - 2003

  • LILO OF ETS-KORATTUR AT MANALI - 2003

  • THENI-SEMPATTY - 2003

  • THIRUVANAMALAI-VILLUPURAM -2003


Kerala quick facts
KERALA: QUICK FACTS 31.07.2002

  • TOTAL AREA 38,863 SQ KMS

  • NUMBER OF CONSUMERS 61 LAKHS

  • CONNECTED LOAD 8150 MW

  • 230 KV TL 1999 CKT KMS

  • 110 KV TL 2969 CKT KMS

  • 66 KV TL 2707 CKT KMS



AS ON 31 31.07.2002st July 02



Problems2
PROBLEMS 31.07.2002

  • HYDRO GENERATION MONSOON DEPENDENT

  • PEAKING SHORTAGE

  • CONSTRAINTS FOR AVAILING IMPORTS

  • LOW VOLTAGE PROBLEM IN NORTHERN KERALA


GENERATING SCHEME 31.07.2002




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