1 REGIONAL GRIDS QUICK FACTS. 2 SOUTHERN REGION WESTERN REGION EASTERN REGION NORTHERN REGION NORTH-...

1

REGIONAL GRIDS

QUICK FACTS

2

SOUTHERN REGION

WESTERNREGION

EASTERN REGION

NORTHERN REGION

NORTH-EASTERN REGION

INSTALLED CAPACITY

NORTHERN :- 34,207 MW

EASTERN :- 16,478 MW

SOUTHERN :- 36,921 MW

WESTERN :- 37,100 MW

NORTH-EASTERN :- 2,404 MW

TOTAL 127,110 MW

REGIONAL GRIDS

3

EASTERN REGION

SOUTHERN REGION

WESTERNREGION

NORTHERN REGION


THE NATIONAL GRID : PHASE 1

ER

500 MW VINDHYACHAL

WR-NR HVDC B2B LINK

Commissioned in Nov. 1989

BIRPARA(ER) – SALAKATI(NER) 220 KV AC LINK in April 87

(400 KV Malda-Boangigaon in April 2000)

500 MW SASARAM

WR-NR HVDC B2B LINK

Commissioned in June 2001

500 MW GAZUWAKA

ER-SR HVDC B2B LINK

Commissioned in Sep. 1999

(2nd pole in March, 2005)500 MW BHADRAWATI

WR-SR HVDC B2B LINK

Commissioned in Sept. 1997

(2nd pole in March, 1998)

NATIONAL GRID PHASE-1 COMPLETE

4

EASTERN REGION

SOUTHERN REGION

WESTERNREGION

NORTHERN REGION


THE NATIONAL GRID : PHASE II

ER

500 MW VINDHYACHAL

WR-NR HVDC B2B LINK

Commissioned in Nov. 1989

BIRPARA(ER) – SALAKATI(NER) 220 KV AC LINK in April 87

(400 KV Malda-Boangigaon in April2000)

RAIPUR(WR) – ROURKELA(ER) 400 KV AC D/C Commissioned Mar. 2003

GORAKHPUR(NR) - MUZZAFARPUR(ER) 400 KV AC D/C Commissioned in Aug. 2006

500 MW SASARAM

WR-NR HVDC B2B LINK

Commissioned in June 2001

500 MW GAZUWAKA

ER-SR HVDC B2B LINK

Commissioned in Sep. 1999

(2nd pole in March, 2005)500 MW BHADRAWATI

WR-SR HVDC B2B LINK

Commissioned in Sept. 1997

(2nd pole in March, 1998)

2000 MW TALCHER(ER)-KOLAR(SR)

HVDC LINK comissioned in SEP 2002

5

Inter Regional Links – Current Capacity

2700 MW2700 MW

1200MW1200MW

2000MW2000MW

1200 MW1200 MW

900 MW900 MW33,782 MW

16,680

34,867 MW

36,031 MW

2433

1850 MW1850 MW

1650 MW1650 MW

Present IR Present IR Capacity = Capacity = 11,500 MW11,500 MW

6

By 2007

Inter-regional capacity - 18,400MW

Name of the link Capacity(MW)

East-North

Patna – Balia 400kV D/c (Quad)

2000

Biharshariff – Balia 400kV D/c (Quad)

2000

Sub-total 4000

East-West

Ranchi- Sipat 400kV D/c with series compensation

1200

Sub-total 1200

East-South

Upgradation of Talcher-Kolar HVDC bipole

500

Sub-total 500

West-North

Gwalior – Agra 765kV S/c (initially ch. at 400kV)

1200

Sub-total 1200

Inter-regional capacity – By

2006

11500

GRAND TOTAL 18400

7

Salakati

Bongaigaon

Birpara

Malda

Dehri

Sasaram

Sahupuri

Allahabad North-eastern

Eastern

Northern

Belgaum

Kolhapur

Budhipadar

Rourkela

Korba

Raipur

Auraiya

Malanpur

Western

Southern

Balimela

Upper Sileru

Chandrapur

Ramagundam

Jeypore

Gazuwaka

Singrauli

Vindhyachal

Talcher

Kolar

Kota

Ujjain

Inter-regional Links – By 2007

Gorakhpur Muzaffarpur

Balia Patna

BiharshariffBalia

SipatRanchi

Agra

Gwalior

Nagjhari

Ponda

2100 MW

6650 MW 1200 MW

3650MW1400 MW

2850 MW

8

11850 MW

1200 MW6050 MW

5500 MW

1400 MW6150 MW

36,700 MW OF INTER-REGIONAL POWER BY 2012

EASTERN REGION

SOUTHERN REGION

WESTERNREGION

NORTHERN REGION


INTER-REGIONAL TRANSFER BY END OF 11th PLAN (2012)

4000 MW

Eastern

Region

9

TRANSMISSION VOLTAGE

OWNERSHIP TOTAL

CENTRAL STATE

Circuit Kilometer

+ 500 kV HVDC

4,372 1,504 5,876

765 kV charged at 400 kV

917 409 1,326

400 kV 40,854 22,607 63,461

220 kV 9,220 98,521 107,741

132 kV* 2,152 93,126 95,278

Total 57,515 216,167 273,682

EHV Infrastructure

10

68 0 72 0 76 0 88 0 92 0 96 080 0 84 0

S S

W W

NN

EE

NE

82.5 0

L

GEO POLITICAL

POWER REGIONS

B’DESH-

SRI

NEPALBHUTAN

INDIAINDIA

J&K

HPPUNJAB

HARIANA

RAJASTHANUP

MP

BIHAR

ORISSA

WBGUJARAT

MAHARASHTRA

KARNATAKA

TAMIL

NADU

AP

ASSAM

MNP

MIZTRP

NG

ME

LAKSHADWEEP

A&N

MYANMAR

SKM

PONDICHERY

DELHI

GOA

DIU

DAMAN

NER NER

LANKA

JKND

CTGR

UTTARANCHAL

11

State Govt.

SERC

IPPs SGC CPPs

STU

SLDC

Distn Cos.

Consumers

INDIAN POWER SECTOR - HIERARCHICAL SET UP

CEA

CENTRAL ELECTRICITY AUTHORITY UNDER CENTRAL GOVT.POWER

MINISTRY – PLANNING AND ASSISITING GOVT

CERC

CENTRAL GENERATING STATION

JOINTLY OWNED UNITS CONSTRUCTED BY PUBLIC SECTOR UNDERTAKINGS

CENTRAL GOVT.

RPC

REGIONAL POWER COMMITTEE (FORMERLY REB) – ONE AT EACH REGION

SECRETARIAT TO THE ELECTRICITY BOARDS OF THE REGION

CTU

CENTRAL TRANSMISSION UTILITY

POWERGRID

RLDC

REGIONAL LOAD DESPATCH CENTRE – APEX BODY – RUN BY POWERGRID

CGS

REGIONAL LOAD DESPATCH CENTRE – APEX BODY – RUN BY POWERGRID

12

Ministry of Power, Govt of India

MOP, State Govt.

Central Sector Companies

• Generating Utilities- NTPC, NHPC, NEEPCO, NPCIL

• Transmission Utility-POWERGRID

• Grid Operator -RLDC

• Finance- PFC

• Rural Electrification -REC

Authorities

CEA

R&D

CPRI, NPTI, PSTI

Mega IPPs

State Sector

• Generation

• Transmission

• DistributionState IPPs

CERC

SERC

Appellate

Tribunal

Trading Co.

Pvt. DISCOM

Institutional Framework

13

ALL INDIA MARKET COMPOSITION

5%9%

3%

46%

37%

State Sector long termPPACentral Sector longterm PPAIPP generation

Short Term Trading

Balancing market

(1,27,110 in 2006) AS on 31-07-06

14

3310, 3%6158, 5% 32135, 26%

82227, 66%

HydroThermalNuclearWind & Others

Source wise composition of installed capacity in India (1,27,110 in 2006) AS on 31-07-06

15

Coal

Hydro

Energy Resource Map

16

ALL INDIA GENERATION COMPOSITION

16.8, (3%)

486.1, (83%)

84.5, (14%)

ThermalHydroNuclear

Total Market Size = 587.4 BU

Total Installed Capacity 1,27,110 MW

17

Sector wise consumption of electricity in India

22%

29%

5%

35%

6%

3%

IndustryDomesticRailwaysAgricultureCommercialOthers

Total Installed Capacity 1,27,110 MW

18

SOUTHERN REGIONAL GRID

OVERVIEW

19

SOUTHERN REGION – GEOGRAPHY

ANDHRA PRADESH

TAMIL NADU

KARNATAKA

KE

RA

LA

POPULATION :- 22.5 CRORES ( 22% OF INDIA)

AREA :- 651 (‘000 SQ KM)(19% OF INDIA)

INSTALLED CAPACITY:- 36,921 MW(29.0%)

WEATHER :- South-west monsoon

North-east monsoon

SEA COAST :- AROUND 4000 KM

20

SR STATES – POWER SYSTEM STATISTICSANDHRA PRADESH

INSTALLED CAPACITY – 8944 MW

MAX DEMAND MET – 8241 MW

DAILY CONSUMPTION MAX – 171 MU

DAILY CONSUMPTION AVG – 142 MU

CONSUMER PROFILE –

INDS -27%, DOM-22%, COMM-5%, IRRI-39% & OTHERS-7%

KARNATAKA







KERALA






INDS -34%, DOM-44%, COMM-13%, IRRI-2%& OTHERS-7%

TAMIL NADU







21

ANDHRA PRADESH

POPULATION :- 7.6 CRORES

AREA :- 275 (‘000 SQ KM)

NO OF CONSUMERS :- 162 LAKHS

PER CAPITA CONS. :- 719 UNITS

MAIN AGRICULTURE CROP :- RICE

CLIMATIC CONDITION :- HOT AND HOT & HUMID

SR STATES – GEOGRAPHYKARNATAKA


AREA :- 192 (‘000 SQ KM)



MAIN AGRICULTURE CROP :- COFFEE & RAGI


KERALA


AREA :- 39 (‘000 SQ KM)



MAIN AGRICULTURE CROP :- COCONUT & SPICES

CLIMATIC CONDITION :- HUMID

TAMIL NADU


AREA :- 130 (‘000 SQ KM)



MAIN AGRICULTURE CROP :- SUGAR CANE & OIL SEEDS


22

INSTALLED CAPACITY IN SRSUMMARY OF INSTALLED CAPACITY(MW)

AS ON 31.07.2006

AGENCY HYDRO THERMAL GAS/DIESEL WIND/OTHERS NUCLEAR TOTAL

ANDHRA PRADESH 3587 2963 272 2 --- 6824

KARNATAKA 3389 1470 128 4 --- 4991

KERALA 1835 --- 235 2 --- 2072

TAMILNADU 2137 2970 423 19 --- 5549

PONDICHERRY --- --- 32 --- --- 32

CENTRAL SECTOR --- 8090 360 --- 880 9330

IPP 278 387 3149 4309 --- 8123

TOTAL

11226 (30%)

15880 (43%)

4599 (13%)

4336 (12%)

880 (2%)

36921 (100%)

23

11226(30%)

15880(43%)

4337(12%)

880(2%)

4599(13%)

SOURCE-WISE INSTALLED CAPACITY OF SR

All Figures In MW

TOTAL 36,921 MW

HYDRO

THERMAL

WIND/OTHERS NUCLEAR

NAPTHA/GAS/DIESEL

GENERATING UNITS IN SOUTHERN REGION

A.PKAR

TNKERGENERATORS ABOVE 1000 MW

GENERATORS 500 – 1000 MW

GENERATORS BELOW 500 MW

TYPICAL

GENERATOR

SPREAD

IN SR

UNIT CAPACITY AP KAR KER TN CGS TOTAL

THERMAL (500 MW) 2 8 10

THERMAL

(200-250 MW)10 7 13 15 45

GAS/THERMAL

(100-150 MW)9 2 3 10 24

HYDRO

(>50 MW)27 29 16 15 87

TOTAL 48 38 19 38 165

- HYDRO

- THERMAL

- GAS / NAPTHA

- NUCLEAR

CPP/IPP PLANTS IN SOUTHERN REGION

A.P

KAR

TNKER

Station Name I/C in MW

Variable Cost (Ps)

TATA ELECTRIC 79.1 390

JINDAL 260 280

THANNEERBAVI 220 500


Variable Cost (Ps)

KASARGOD PCL 22 470

BSES 157 560

KUTHUNGAL 21 ---

MANIYAR 12 ---

KAYAMKULAM 360 580


Variable Cost (Ps)

HITEC 15

TCPL 63.5

GMR VASAVI 196 444

SAMALPATTY 105 474

ST-CMS 250 161

P P NALLUR 330.5 550

ABAN 113 88

MADURAI POWER 106 456

ARKAY 38

Station Name I/C MW

Variable Cost (Ps)

SIMHADRI 1000 104

BSES 220 168

VEMAGIRI PGL 233

SPECTRUM 208 104

JEGURUPADU EXT.

220

JEGURUPADU 216 102

LANCO 355 125

26

LOAD 500-1500 MW

LOAD 200-500 MW

TYPICAL

LOAD

SPREAD

IN SR

KHAMMAM

VIJAYAWADANAGARJUNASAGAR

GAZUWAKA

HYDERABAD

RAICHUR

GOOTY

HOODY

SALEM

UDUMALPET

TRICHUR

MADURAI

TRICHY

MADRAS

NEYVELI

CUDDAPAH

DAVANAGERE

RAMAGUNDAM

BANGALORE

MUNIRABAD

PP

P

P

P

P

P

P

P

P

P

PP

P

KOLAR

63

HOSUR

1

60

P

NELLORE

NELAMANGALA

KURNOOL

KALPAKKA

SIMHADRI

HIRIYUR

TALAGUPPA

MAMIDIPALLY

SRI SAILAM

-- OF NTPC

-- OF ANDHRA PRADESH

-- OF TAMIL NADU

-- OF NLC

-- OF POWERGRID

400KV SUB-STATIONS IN SR

NEYVELI TPS I (EXP)

POWERGRID STATE OTHERS TOTAL

AP 8 9 2 19

KAR 6 5 1 12

KER 2 2

TN 6 1 2 9

TOTAL 22 15 5 42

TRIVENDRUM

NARENDRA

VEMAGIRIGMR

JEGRUPADU EXTN

MEHA BOOB NAGAR

CHITTOOR

-- OF NPC

KAIGA

MYSORE

-- OF KARNATAKA

ALMATHI

28

TRANSMISSION IN SOUTHERN INDIA

ABOUT 3000 CKM OF 400 KV LINES ADDED IN THE PAST 2 YEARS

VOLTAGE LEVEL AP KAR KER TN CGS TOTAL

400 KV 2680 1616 10905 15201

220/230 KV 10274 7839 2692 6538 366 27709

132/110 KV 12360 6060 3720 10220 32360

TOTAL 25314 15515 6412 16758 11271 75270

29

11000

13000

15000

17000

19000

21000

23000

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24

HOUR ---->

DE

MA

ND

IN

MW

--->

TYPICAL LOAD CURVE OF SR

WINTER

MONSOON

SUMMER

EVENING PEAK

WEATHERCONSUMPTION

30

GRID CONTROL

ISSUES & CARDINAL EVENTS

31

GRID OPERATION – TYPICAL ISSUES IN PAST

• LOW / HIGH FREQUENCY PROBLEMS

– FREQUENCY EXCURSES TO LOW/HIGH VALUES

• LOW / HIGH VOLTAGE OPERATION

– CRITICALLY LOW VOLTAGES AT LOAD CENTRES

– SUBSTANTIALLY HIGH VOLTAGES AT FAR ENDS

• SYSTEM BROWNOUTS / BLACK OUTS

– SEPERATION OF SYSTEMS / LOSS OF LOAD

• ECONOMIC IN-STABILITY / INCREASED ELECTRICAL LOSSES– UNRELIABLE / INEFFICIENT OPERATION OF EQUIPMENT

32

GRID OPERATION: A TIGHT ROPE WALK

BLACK-OUTVOLTAGE

COLLAPSE IN-ECONOMIC

OPERATION

INSTABILITYPOWER

SWINGSINCREASED

LOSSES

Aug, 2005

By 2007

Inter-regional capacity - 18,400MW

Salakati

Bongaigaon

Birpara

Malda

Dehri

Sasaram

Sahupuri

Allahabad North-eastern

Eastern

Northern

Belgaum

Kolhapur

Budhipadar

Rourkela

Korba

Raipur

Auraiya

Malanpur

Western

Southern

Balimela

Upper Sileru

Chandrapur

Ramagundam

Jeypore

Gazuwaka

Singrauli

Vindhyachal

Talcher

Kolar

Kota

Ujjain

Inter-regional Links – By 2007

Gorakhpur Muzaffarpur

Balia Patna

BiharshariffBalia

SipatRanchi

Agra

Gwalior

Nagjhari

Ponda

2100 MW

6650 MW 1200 MW

3650MW1400 MW

2850 MW

35

SOUTHERN REGION

WESTERNREGION

EASTERN REGION

NORTHERN REGION


1

2

3

Three ELECTRICAL REGIONS w.e.f. March 2003

36

SOUTHERN REGION

WESTERNREGION

EASTERN REGION

NORTHERN REGION


1

2

TWO ELECTRICAL REGIONS w.e.f Aug. 2006

37

Components of inter-utility tariff(Pre – ABT Mechanism)

Fixed charges Interest on loans Depreciation O & M charges Return on equity Interest on Working Capital

Energy charges (fuel cost) Incentives Surcharge & other levies No charge for reactive energy

38

Components under Availability Based Tariff (ABT)

Capacity chargesEnergy chargesUnscheduled Interchange (UI)

39

0

50

100

150

200

250

300

350

400

450

500

550

600

650

48.9 49 49.1 49.2 49.3 49.4 49.5 49.6 49.7 49.8 49.9 50 50.1 50.2 50.3 50.4 50.5 50.6 50.7 50.8 50.9 51

Frequency ----------->

UI ra

te

-----

------

------

>

Below 49.0 Hz UI rate =570 p/u

At 50.0 Hz UI rate =150 p/u

At 49.8 Hz UI rate =210 p/u

Above 50.5 Hz UI rate =0 p/u

UI RATE

Rate of Unscheduled Drawal/InjectionFrequency (Hz) Rate (p/u)

Above 50.5 0

50.0 150

49.8 210

49.0 and below 570

40

UI - A RATIONAL AND SCIENTIFIC VECTOR

BALANCING MARKET

MERIT ORDER OPERATION

TRANSPARENCY

NEUTRALITY

SIMPLICITY

PRICE SIGNAL EASILY AVAILABLE

NO NEED TO NEGOTIATE ANY PRICE

EASY SETTLEMENT

EASY TO UNDERSTAND AND IMPLEMENT

EASE OF REGULATION

41RTU RTU RTU

SUB LDC SUB LDC SUB LDC

SLDC SLDC SLDC

ERLDC

WRLDC NRLDC SRLDC

NERLDC

NLDC

32 Nos.

51 Nos.

1160Nos.

Unified Grid OperationUnified Grid Operation

5 Nos.

NationalLevel

RegionalLevel

State HQLevel

Group / Distt Level

Plant / Sub-Station Level

42

RLDC,Bangalore

KalamasseryHyderabad BangaloreChennai

Cuddapah

Warangal

Vijayawada

Kalam’erry

Kannur

Trivandrum

Chennai

Erode

Madurai

Bangalore

Lingusugur

Hubli

CPCC SCC, Pondy

Hyderabad

Hierarchy of The ULDC Scheme in Southern Region

Andhra Kerala Tamilnadu Karnataka

43

Southern Region Grid Complexities in Monitoring & Control

Annual Inter-Regional Energy Transfer

≈10,000MU

Transformers (220kV and

above)480 nos.

Installed Capacity

≈36031 MW

Integrated Opn

of Ten Power Utilities

Dynamic Grid

Conditions

Generators –Hydro,

Thermal,Gas/IPP

422 nos.

Transmission

Network 400/220kV

≈ 40700 Ckm

30,000 POINTSActive Power, Reactive

Power,Voltage, Frequency,

TransformerTap Position, Circuit

Breaker Position, Isolator Position etc

Transformation

Capacity ≈45000 MVA

44

GROWTH OF INSTALLED CAPACITY OF SR

1947

5

1983

0

2030

4

2129

8

2213

3

2298

3

2417

3

2616

3 2850

1

2952

6 3273

3 3603

1

10000

15000

20000

25000

30000

35000

40000

1994-95 1995-96 1996-97 1997-98 1998-99 1999-00 2000-01 2001-02 2002-03 2003-04 2004-05 2005-06

YEARS - - ->

IN MW

45

Kolar

Chintamani

Cudappah

HoodyHosur

Salem

Udumalpet

Madras B’lore

+/- 500 KV DC line 1370 KM

ElectrodeStation

ElectrodeStation

TALCHER

400kv System

220kv system

KOLAR

TALCHER KOLAR TALCHER KOLAR SCHEMATICSCHEMATIC

46

NR-ER

SR-ERWR-SR

ER-NEREASTERN

REGION

SOUTHERN

REGION

WESTERN

REGION

NORTHERN

REGION


SHORT TERM OPEN ACCESS(STOA) RATES

(2006-07)

WR-ER

757.04

(3.2)

407.87

(1.7)

521.37

(2.2)

345.10

(1.4)

1893.14 (7

.9)

1114.72

(4.6)

560.

09 (2.

3)

1335.50 (5.6)

557.96 (2.3)441.24 (1.8)

WR-N

R

Notes: i) The indicated STOA Rates are in Rs./MW/Day.

ii) The figures shown in bracket correspond to the

indicative STOA Rates in Paise/Unit. (approx.)

47

UI vs STOA market (All regions)

5% UI market

3% STOA market

100% power market

92% long term market

48

DETAILS OF REGION WISE STOA TRANSACTIONS IN 2005-06

2263

1241

35 109 290

1012610561

772 623 444

0

2000

4000

6000

8000

10000

12000

NR WR SR ER NER

No.Of Transactions Energy Approved in MU

49

Constituent-wise STOA Import/Export Energy2004 – 05

519503

0

358

00

185

00

200

400

600

800

1000

1200

1400

1600

1800

2000

AP KPTCL KSEB TNEB

Import Export

All figures in MUs2005 – 06

434

1717

356

808 842

3 0 00

200

400

600

800

1000

1200

1400

1600

1800

2000

AP KPTCL KSEB TNEB

Import Export

50

MONTHWISE EXPORT STOA BY CPPs/ IPPs

0

20

40

60

80

100

120

140

160A

pr-

05

May

-05

Jun

-05

Jul-

05

Au

g-0

5

Sep

-05

Oct

-05

No

v-05

Dec

-05

Jan

-06

Feb

-06

Mar

-06

Ap

r-06

May

-06

Jun

-06

EN

ER

GY

IN M

Us

---

>

JINDAL NAVBHARAT

51

KADAMPARAI PUMP OPERATION

-300

-200

-100

0

100

200

300

400

5000:

001:

002:

003:

004:

005:

006:

007:

008:

009:

0010

:00

11:0

012

:00

13:0

014

:00

15:0

016

:00

17:0

018

:00

19:0

020

:00

21:0

022

:00

23:0

00:

00

TIME ---->

IN M

W --

-->

48.50

49.00

49.50

50.00

50.50

51.00

FREQ

UENC

Y IN

HZ

---->

GENERATOR MODE

PUMP PUMP

52

KADAMPARAI ENERGY GENERATED/PUMPED DURING LAST 5 YEARS (MU)

MONTHS2001-02 2002-03 2003-04 2004-05 * 2005-06

GENERATOR MODE

GENERATOR MODE

GENERATOR MODE

PUMP MODE

GENERATOR MODE

PUMP MODE

GENERATOR MODE

PUMP MODE

APRIL 0.1 3.9 35.0 40.0 26.0 35.0 0.0 2.6

MAY 0.0 1.4 37.0 43.0 41.0 48.0 29.6 45.7

JUNE 1.0 6.4 29.0 45.0 55.0 35.0 45.3 51.2

JULY 27.5 6.9 47.0 49.0 50.0 49.0 79.0 62.3

AUGUST 21.4 8.8 54.0 55.0 55.0 41.0 49.5 25.0

SEPTEMBER 11.0 8.6 36.0 48.0 30.0 25.0 40.8 15.2

OCTOBER 19.5 18.5 26.0 15.0 0.0 0.0 46.9 45.1

NOVEMBER 17.9 16.7 23.0 24.0 0.0 0.0 64.1 59.2

DECEMBER 20.3 20.5 49.0 53.0 0.0 0.0 70.0 62.5

JANUARY 18.4 39.0 44.0 58.0 0.0 0.0 72.0 92.9

FEBRUARY 14.0 39.0 21.0 21.0 0.0 0.0 53.3 55.6

MARCH 5.7 32.0 6.0 18.0 0.0 0.0 30.9 37.9

TOTAL 156.7 201.8 407.0 469.0 257.0 233.0 581.4 555.3

Note: The plant was under shutdown from 16th Sep 2004 to 28th April 05 for dam maintenance works.

53

KADAMPARAI ENERGY GENERATED/PUMPED DURING LAST 5 YEARS (MU)

157

202

407

257

581

469

233

555

0

100

200

300

400

500

600

700

2001-02 2002-03 2003-04 2004-05 2005-06

Generation Pumped

54

UI IMPORT BY SR FROM ER ON 12-JUL-06

0

100

200

300

400

500

600

700

800

900

0:00

1:00

2:00

3:00

4:00

5:00

6:00

7:00

8:00

9:00

10:0

0

11:0

0

12:0

0

13:0

0

14:0

0

15:0

0

16:0

0

17:0

0

18:0

0

19:0

0

20:0

0

21:0

0

22:0

0

23:0

0

TIME---->

IN M

W --

-->

48.4

48.6

48.8

49.0

49.2

49.4

49.6

49.8

50.0

50.2

50.4

FREQ

IN H

Z--->

ER UI SR FREQ ER FREQ

ER FREQ

SR FREQ

UI IMPORT

FROM ER

AMOUNT SAVED FOR SR CONSTITUENTS = 71 LAKHS

55

GENERATION vs FREQUENCY FOR

10

30

50

70

90

08

:21

09

:21

10

:21

11

:21

TIME IN HH:MM ----->

MW

---

-->

49.00

49.20

49.40

49.60

49.80

50.00

50.20

50.40

FR

EQ

IN

HZ

---

-->

GENERATING UNITS PARTICIPATION IN PRIMARY RESPONCE

SHARAVATHI -1

FREQ DROP FROM 49.72 HZ TO 49.27 HZ

i.e. ~ 0.45HZ

56

LOW DEMAND(VALLEYS)

SHARP PEAKS

0000 HRS OF 01 SEP 06

29 AUG 06 30 AUG 06 31 AUG 06

1 REGIONAL GRIDS QUICK FACTS. 2 SOUTHERN REGION WESTERN REGION EASTERN REGION NORTHERN REGION NORTH-...

Documents

Transcript of 1 REGIONAL GRIDS QUICK FACTS. 2 SOUTHERN REGION WESTERN REGION EASTERN REGION NORTHERN REGION NORTH-...